Product Catalogue - Wenzel Downhole Tools

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Product Catalogue

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Customer-Driven Innovation

At Wenzel, our downhole tools and service are born out of your specific drilling needs.

We take pride in our work and in your success. When you choose Wenzel, you’re not just another customer–you’re part of the family.

Our offering goes far beyond what you’ll find in this catalogue. If you are searching for a drilling solution that can’t be achieved with the products and specifications found within these pages, work with us to engineer and manufacture one that will get the job done.

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Contents

Wenzel Manufacturing ... 4

Drilling Motors ... 7M40 Mud Lubricated Bearing Assembly ... 8M7 Mud Lubricated Bearing Assembly ... 10

Oil Sealed Bearing Assemblies ... 12Horizontal Directional Drilling Motors ... 15

M9 Zero Bypass Rotary Steerable System Assist Motor ... 17Thru Tubing Motors ... 19

Drilling Jars ... 22Ultimate High-Overpull Configurations ... 23

Double Acting Hydraulic Jar ... 24Double Acting Hydraulic Mechanical ar ... 27

Hydraulic Mechanical Jar ... 39Hydraulic Fishing / Drilling Jar ... 32

Jar Accelerators ... 35Jar Placement Tool ... 38

Drilling Tools ... 39Shock Tool ... 40

Bumper Sub ... 42

Contact ... 44

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Wenzel’s culture of safety, customer focus, exceptional quality and continuous innovation is a source of pride and identity. From the selection of steel to customer delivery and maintenance, our processes and people set the industry benchmark for conscientious and reliable offerings. Everyday, we work to pioneer and patent new concepts in product capabilities for unique drilling situations, and continuously improve our quality management system.

All material is of impeccable quality and sourced from well-respected suppliers in G7 countries. We track each product component’s lifecycle, reaching back to the mill certification and material base element composition. Our comprehensive manufacturing capability includes state-of-the-art equipment, certified engineers and journeyperson machinists and programmers.

Our specialized tungsten-carbide coating application processes include High Velocity Oxygen Fuel (HVOF), High Velocity Air Fuel (HVAF) and Plasma Transfer Arc (PTA). HVAF and PTA systems use automated robots to apply coatings, ensuring accurate and consistent repeatability.

All manufactured parts are subject to a 100% dimensional inspection.

Quality in Culture, Quality in Product

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Trust Our ExperienceFor decades, the Wenzel name has been synonymous with innovative, high-quality solutions to downhole drilling problems. We stake our name and reputation on every tool and solution we provide.

The men and women in our shops are experienced tradespersons, certified engineers and highly knowledgeable and skilled professionals. We work shoulder to shoulder – within our company, with our suppliers, vendors, certified distributors and with you – to advance technology and provide leading downhole drilling solutions.

By having an international network of shops and certified distributors (shown below), we ensure our motors and tools can be properly serviced and maintained to our specifications and high standards, no matter where they are.

We also invest in the future. Each year we contribute to scholarships and bursaries for apprentices in polytechnic machinist programs. We invest in the training and education of our people, and in creating and maintaining safe and inclusive work environments. Experience begins with education, and we are committed to developing the next generation of great machinists.

The Wenzel Global Distribution Network

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Drilling MotorsDesigned for durable, fit-for-purpose performance across the gamut of drilling applications, our drilling motors have earned a reputation of quality and reliability. Through tireless engineering guided by customer need and field results, Wenzel motors continue to lead the industry.

Our latest line of motors feature patented enhancements that continue to push the limits of torsional capacities in order to get the most from high-torque transmissions and modern high-performance drill string.

In this section:

• Mud Lubricated Bearing Assemblies• Oil Sealed Bearing Assemblies• Horizontal Directional Drilling (HDD) Motors• Rotary Steerable Systems (RSS) Drilling Motors• Thru Tubing Motors

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Drilling Motors | M40 Mud Lubricated Drilling Motor

The Wenzel M40 mud lubricated motor features the latest in drilling technology alongside quality design, materials and manufacturing that you’ve come to expect from us. Our overhauled motor provides higher flow rates, more torque and faster rate of penetration (ROP).

Updated bearing assemblyThe Wenzel M40 bearing assembly is designed to perform with the latest in high flow and high-torque power sections. Utilizing patented driveline technology, maximized thru-bore and bypass ports, and enhanced geometry, our newest motor gives you a tool you can count on for superior performance.

Housing and mandrel connectionsOur new housing connections feature large thread root radii, which enables more effective cold working of threads and reduces stress connections for improved fatigue life under bending. Additionally, our new mandrel boasts a larger OD that substantially increases torque capacity and stiffness. This makes for an aggressive bottom end that is capable of delivering higher build rates and ROP.

Pin down mandrel and straight-housing options are available for increasing downhole RPM with Rotary Steerable Systems (RSS).

Compact designIndustry-proven thrust and radial bearing technology, custom designed for mud lubricated drilling motor applications, is fit into a straightforward and compact assembly. Expect easy service and greater reliability.

Optimized bit-to-bend length

5” WK5 Hybrid Flex Shaft DrivelineOur newly designed 5” WK5 hybrid flex shaft driveline features an upgraded lower universal and single-piece upper connection. The universal joint (right) features surface hardening and provides over 100% more contact area to keys (shown in blue). Additionally, a single piece drive-shaft-to-rotor connection eliminates accelerated wear.

Single piece hybrid flex shaft option

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Drilling Motors | M40 Mud Lubricated Drilling Motor

Specifications (Imperial)Operating Capacity Static Capacity

Nominal Motor OD

(inch)

Nominal BA OD (inch)

Bit Box to Bend (inch)

Bit Box to Fixed Bend

(inch)

Hole Size (inch)

WOB (lbs)

Max Bit Overpull

(lbs)

Torque (ft. lbs)

Flow Rate (gpm)

WOB to Re-Run (lbs)

Bit Overpull to Re-Run (lbs)

Body Overpull (lbs)

Torque (ft.lbs)

5 5 1/4 50 40 6 1/8 – 7 7/8 41,000 41,000 9,000 450 109,000 109,000 424,000 14,000

6 3/4 7 1/4 57 45 8 1/2 – 9 7/8 76,500 76,500 21,000 850 355,000 259,000 568,000 34,000

7 7 1/4 57 45 8 1/2 – 9 7/8 76,500 76,500 21,000 850 355,000 259,000 659,000 34,000

8 8 1/4 66 52 9 5/8 – 12 1/4 97,250 97,250 28,000 1,200 463,000 332,000 783,000 45,000

Specifications (Metric)Operating Capacity Static Capacity

Nominal Motor OD

(mm)

Nominal BA OD (mm)

Bit Box to Bend (m)


(m)

Hole Size (mm)

WOB (daN)

Max Bit Overpull

(daN)

Torque (N.m)

Flow Rate (lpm)

WOB to Re-Run (daN)

Bit Overpull to Re-Run (daN)

Body Overpull (daN)

Torque (N.m)

127 133 1.27 1.02 149 – 200 18,000 18,000 12,200 1,700 48,000 48,000 189,000 19,000

171 184 1.45 1.14 216 – 251 34,000 34,000 28,500 3,200 158,000 115,000 253,000 46,100

178 184 1.45 1.14 216 – 251 34,000 34,000 28,500 3,200 158,000 115,000 293,000 46,100

203 209 1.68 1.32 218 – 251 43,000 43,000 38,000 4,500 206,000 148,000 348,000 61,000

Specifications are based on as-new condition and are subject to change without notice.Motor assemblies are available in a multitude of speeds and configurations.

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Drilling Motors | M7 Mud Lubricated Bearing Assembly

The Wenzel M7 mud lubricated bearing assembly is a field proven, time-tested tool that continues to be trusted for its durable and reliable performance.

Simply reliable. Built to perform.Wenzel mud lube bearing assemblies are designed to be pushed hard. They withstand high weight, torque and downhole temperatures to help you cut through hard formations in aggressive environments.

The efficient and compact design of our mud lube bearing assemblies allows for easier service and consistent, predictable performance. These assemblies are supported with radial flow restrictor bearings above and below the bearing stack, ensuring optimal lubrication.

Short 5” WK5 hybrid flex shaft driveline

5” WK5 Hybrid Flex Shaft DrivelineOur newly designed 5” WK5 hybrid flex shaft driveline features an upgraded lower universal and single-piece upper connection. The universal joint (right) features surface hardening and provides over 100% more contact area to keys (shown in blue). Additionally, a single piece drive-shaft-to-rotor connection eliminates accelerated wear.

FlexibilityOur M7 motor is designed to drill any conventional hole size, and the screw-on stabilizer feature enables the use of a wide variety of stabilizers with multiple gauge outside diameters. We also offer custom screw-on stabilizer designs to meet the needs of your unique application.

The M7 can also be equipped with our fixed bend or 0 – 3º adjustable bend for directional drilling, or straight housing for rotary steerable applications.

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Drilling Motors | M7 Mud Lubricated Bearing Assembly


Nominal Motor OD (inch)



Bit Box to Fixed Bend (inch)

Hole Size (inch) WOB (lbs) Max Bit

Overpull (lbs)Torque (ft. lbs)

Flow Rate (gpm)

WOB to Re-Run (lbs)


Body Overpull (lbs)

Torque (ft. lbs)

4 3/4 5 57 46 5 7/8 – 7 7/8 48,000 48,000 5,500 375 213,000 72,000 404,000 8,5005 5 1/8 57 46 5 7/8 – 7 7/8 48,000 48,000 5,500 375 213,000 72,000 424,000 8,500

6 1/2 6 1/2 64 52 7 7/8 – 9 7/8 72,000 72,000 15,000 600 358,000 101,000 524,000 24,0006 3/4 7 64 52 8 1/2 – 9 7/8 87,000 87,000 15,000 600 360,000 137,000 568,000 24,000

7 7 64 52 8 1/2 – 9 7/8 87,000 87,000 15,000 600 360,000 137,000 659,000 24,0007 3/4 7 3/4 78 65 9 5/8 – 12 1/4 112,000 112,000 22,000 950 546,000 216,000 563,000 35,000

8 8 78 65 9 5/8 – 12 1/4 112,000 112,000 22,000 950 546,000 216,000 783,000 35,0009 5/8 9 5/8 96 91 12 1/4 – 17 1/2 132,000 132,000 30,000 1,350 772,000 223,000 1,177,000 48,000


Nominal Motor OD (mm)

Nominal BA OD (mm)

Bit Box to Bend (m)

Bit Box to Fixed Bend (m)

Hole Size (mm) WOB (daN) Max Bit

Overpull (daN)Torque (N.m)

Flow Rate (lpm)

WOB to Re-Run (daN)


Body Overpull (daN)

Torque (N.m)

121 127 1.45 1.17 149 – 200 21,400 21,400 7,500 1,400 94,700 32,000 180,000 11,500127 130 1.45 1.17 149 – 200 21,400 21,400 7,500 1,400 94,700 32,000 189,000 11,500165 165 1.63 1.32 200 – 251 32,000 32,000 20,300 2,300 159,200 44,900 233,000 32,500171 178 1.63 1.32 216 – 251 38,700 38,700 20,300 2,300 160,100 60,900 253,000 32,500178 178 1.63 1.32 216 – 251 38,700 38,700 20,300 2,300 160,100 60,900 293,000 32,500197 197 1.98 1.65 244 – 311 49,800 49,800 29,800 3,600 242,900 96,100 250,000 47,500203 203 1.98 1.65 244 – 311 49,800 49,800 29,800 3,600 242,900 96,100 348,000 47,500244 244 2.44 2.31 311 – 445 58,700 58,700 40,700 5,100 343,400 99,200 524,000 65,100


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Drilling Motors | Oil Sealed Bearing Assemblies

Wenzel oil sealed bearing assemblies are built for ease of use and maintenance, lower service costs and reliable performance in low-to-moderate temperature wells. A tried and true workhorseCustomers around the world have entrusted Wenzel oil sealed bearing assemblies with their high-performance drilling needs for decades. These sturdy beasts have set a new standard for capable and reliable drilling, regularly outperforming when combined with even-wall and hard-rubber power section technology.

Modern, optimized designThe oil-sealed bearing packs are isolated from drilling fluid, keeping the internal components guarded against debris. This design – coupled with high strength, low-alloy steel and tungsten carbide coated parts – makes our motor resistant to corrosion and extends the life of seals and bearings. It also allows more fluid to be directed to the bit for maximized hydraulic efficiency, improved bottom-hole cleaning, better ROP and increased bit life.

Other features such as an optimized balance piston design, high WOB thrust bearing capacity and an adjustable load-bearing shoulder give operators confidence and flexibility to chase a higher ROP.

FlexibilityWenzel oil sealed motors are designed to drill any conventional hole size, and the screw-on stabilizer feature enables the use of a wide variety of stabilizers with multiple gauge outside diameters. We also offer custom screw-on stabilizer designs to meet the needs of your unique application. These motors can be equipped with our our fixed bend or 0 – 3º adjustable bend for directional drilling, or straight housing for rotary steerable applications.

Optimization for rotary steerable systemsFit your oil sealed motor with our pin-down mandrel and straight housing options to achieve high downhole RPM with rotary steerable systems (RSS). Restricted bypass plugs can also be installed to give you full control over the amount of fluid flowing to your rotary steerable system and bit. Read more about restricted bypass motors on page 17.

Short 5” WK5 hybrid flex shaft driveline

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Nominal Motor OD

(inch)


Motor Series



(inch)

Hole Size (inch) WOB (lbs)

Max Bit Overpull

(lbs)

Torque (ft. lbs)

Flow Rate (gpm)

WOB to Re-Run (lbs)

Bit Overpull to Re-

Run (lbs)

Body Over-pull (lbs)

Torque (ft.lbs)

2 7/8 2 7/8 M6 33 n/a 3 1/2 – 4 1/2 11,500 11,500 800 125 40,900 40,900 106,000 1,250

3 1/8 3/18 M6 33 n/a 3 3/4 – 4 1/2 11,500 11,500 800 125 40,900 40,900 134,000 1,250

3 1/2 3 1/2 M6 37 30 4 1/2 – 5 7/8 18,500 18,500 1,500 220 68,400 68,400 187,000 2,300

4 3/4 5 M5* 61 50 5 7/8 – 7 7/8 54,000(33,000) 31,000 5,500 375 222,000

(133,000) 138,000 404,000 8,500

5 5 1/8 M5* 61 50 5 7/8 – 7 7/8 54,000(33,000) 31,000 5,500 375 222,000

(133,000) 138,000 424,000 8,500

5 5 1/8 M5+ 61 50 5 7/8 – 7 7/8 54,000 31,000 6,500 375 222,000 138,000 424,000 10,000

6 1/2 6 1/2 M6* 67 56 7 7/8 – 9 7/8 91,000(66,000) 51,000 15,000 600 396,000

(261,000) 210,000 524,000 24,000

6 3/4 6 1/2 M6* 67 56 8 1/2 – 9 7/8 91,000(66,000) 51,000 15,000 600 396,000

(261,000) 210,000 568,000 24,000

7 3/4 7 3/4 M6 80 67 9 5/8 – 12 1/4 88,000 73,000 22,000 950 365,000 318,000 563,000 35,000

8 8 M6 80 67 9 5/8 – 12 1/4 105,000 73,000 22,000 950 419,000 318,000 783,000 35,000

9 5/8 9 5/8 10 112 105 12 1/4 – 17 1/2 190,000 82,000 30,000 1,350 907,000 416,000 1,177,000 48,000

11 1/4 11 1/4 10 122 108 14 3/4 – 26 225,000 119,000 40,000 1,800 1,118,000 610,000 1,425,000 70,000


M5* and M6* with single on-bottom-bearing option. (WOB capacity in brackets.)The M5+ upgrade kit includes a redesigned output mandrel and flow restrictor, as well as the new WK5 driveline (available in 5”).Specifications are based on as-new condition and are subject to change without notice.Motor assemblies are available in a multitude of speeds and configurations.

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Nominal Motor OD

(mm)

Nominal BA OD (mm)

Motor Series

Bit Box to Bend (m)


(m)

Hole Size (mm) WOB (daN)

Max Bit Overpull

(daN)

Torque (N.m)

Flow Rate (lpm)

WOB to Re-Run (daN)

Bit Overpull to Re-

Run (daN)

Body Over-pull (daN)

Torque (N.m)

73 73 M6 0.84 n/a 89 – 114 5,100 5,100 1,100 500 18,200 18,200 47,000 1,700

79 79 M6 0.84 n/a 95 – 114 5,100 5,100 1,100 500 18,200 18,200 60,000 1,700

89 89 M6 0.94 0.76 114 – 149 8,200 8,200 2,000 800 30,400 30,400 83,000 3,100

121 127 M5* 1.55 1.27 149 – 200 24,000(14,700) 13,800 7,500 1,400 99,000

(59,000) 61,400 180,000 11,500

127 130 M5* 1.55 1.27 149 – 200 24,000(14,700) 13,800 7,500 1,400 99,000

(59,000) 61,400 189,000 11,500

127 130 M5+ 1.55 1.27 149 – 200 24,000 13,800 8,800 1,400 99,000 61,400 189,000 13,600

165 165 M6* 1.70 1.42 200 – 251 40,500(29,500) 23,000 20,300 2,300 176,000

(116,000) 93,000 233,000 32,500

171 165 M6* 1.70 1.42 216 – 251 40,500(29,500) 23,000 20,300 2,300 176,000

(116,000) 93,000 253,000 32,500

197 197 M6 2.03 1.70 244 – 311 39,000 32,000 29,800 3,600 162,000 141,000 250,000 47,500

203 203 M6 2.03 1.70 244 – 311 47,000 32,000 29,800 3,600 186,000 141,000 348,000 47,500

244 244 10 2.84 2.67 311 – 445 85,000 36,000 40,700 5,100 403,000 185,000 524,000 65,100

286 286 10 3.10 2.74 375 – 660 100,000 53,000 54,200 6,800 497,000 271,000 634,000 94,900

M5* and M6* with single on-bottom-bearing option. (WOB capacity in brackets.)The M5+ upgrade kit includes a redesigned output mandrel and flow restrictor, as well as the new WK5 driveline (available in 5”).Specifications are based on as-new condition and are subject to change without notice.Motor assemblies are available in a multitude of speeds and configurations.

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Drilling Motors | Horizontal Directional Drilling (HDD) Motor

The Wenzel horizontal directional drilling (HDD) motor is a custom motor configuration designed specifically for HDD in utility, oil and gas, and civil construction applications that require trenchless horizontal directional drilling.

Customer-led HDD engineeringAs is the case with all of our tools, Wenzel HDD motors are designed and built to our customers’ specifications. Many of our HDD motors include options such as a fit-for-purpose driveline that shortens the overall length of the motor and a short HDD top sub. A large, custom-designed 6 5/8” Reg bit box mandrel is also availalbe for the 6 1/2” HDD motor.

The motor features high weight-on-bit and load capacities and comes with a 2º fixed bend housing (though other angles are available).

We work closely with each of our customers to ensure our tools meet their specific needs and deliver the performance they expect.

Enlarged bit box mandrel Short HDD driveline option

Follow the leaderOur HDD motors give operators the strength and durability of our line of deep-well downhole tools with the flexibility and mobility required in HDD operations. Discover why more HDD services are choosing Wenzel Downhole Tools.

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Drilling Motors | Horizontal Directional Drilling (HDD) Motor Specifications (Imperial)

Operating CapacityNominal

Motor OD (inch)

ModelBit Box to

Fixed Bend (inch)

Overall Length

(ft)

Hole Size (inch)

Standard Bit Box Thread (API)

Max WOB (lbs)

Max Bit Overpull

(lbs)

Flow Range (gpm)

Speed Range (rpm)

Max Diff. Pressure

(psi)

Torque at Max Diff. Pressure (ft.

lbs)

Elastomer Type

2 7/8 M6 7837 29 13.5 3 1/2 – 4 1/2 2 3/8 Reg 11,500 11,500 50 – 130 115 – 300 600 680 Std

3 1/2 M6 7838 30 16.2 4 1/2 – 5 7/8 2 7/8 Reg 18,500 18,500 75 – 150 120 – 235 650 1,080 Std

4 3/4 M5 7822 50 16.7a

(17.6)b 5 7/8 – 7 7/8 3 1/2 Reg 54,000 31,000 100 – 250 50 – 140 450 2,130 HR

6 1/2 M6 7828 56 18.7a

(19.6)b 7 7/8 – 12 1/4 4 1/2 Reg6 5/8 Reg 91,000 51,000 150 – 400 50 – 140 600 4,770 HR

8 M6 7830 67 23.5a

(24.4)b 9 5/8 – 12 1/4 6 5/8 Reg 105,000 73,000 400 – 900 65 – 150 450 7,470 Std

a Motor length when using short HDD driveline and service sub.b Motor length when using standard driveline and service sub (length in brackets).Note: Adjustable bend assembly option only compatible for use with standard driveline.Specifications are based on as-new condition and are subject to change without notice.

Specifications (Metric)Operating Capacity

Nominal Motor OD

(mm)Model


(m)

Overall Length

(m)

Hole Size (mm)

Standard Bit Box Thread

(API)

Max WOB (daN)

Max Bit Overpull

(daN)

Flow Range (lpm)

Speed Range (rpm)

Max Diff. Pressure

(kPa)

Torque at Max Diff. Pressure

(N.m)

Elastomer Type

73 M6 7837 0.72 4.11 89 – 140 2 3/8 Reg 5,100 8,200 190 – 490 115 – 300 4,100 920 Std

89 M6 7838 0.76 4.95 114 – 149 2 7/8 Reg 8,200 8,200 285 – 570 120 – 235 4,500 1,500 Std

121 M5 7822 1.27 5.11a

(5.38)b 149 – 200 3 1/2 Reg 24,000 13,800 380 – 950 50 – 140 3,100 2,890 HR

165 M6 7828 1.42 5.70a

(5.97)b 200 – 311 4 1/2 Reg6 5/8 Reg 40,500 23,000 570 – 1,510 50 – 140 4,100 6,470 HR

203 M6 7830 1.70 7.16a

(7.43)b 244 – 311 6 5/8 Reg 47,000 32,000 1,510 – 3,410 65 – 150 3,100 10,130 Std

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Drilling Motors | M9 Zero Bypass Rotary Steerable System Assist Motor

Adding a power section to your rotary steerable system (RSS) tool can provide significant RPM and torque gains with precise control. When it comes to RSS applications, Wenzel offers a number of drilling motor solutions including the M9 zero bypass motor.

Optimized flow for optimal lubrication and controlWhile our other mud lubricated and oil sealed (restricted bypass) drilling motors can be used in RSS applications, our M9 zero-bypass oil sealed bearing assembly was designed specifically with RSS applications in mind.

The M9 design incorporates a secondary oil sealed isolation chamber that separates bore pressure from annular pressure. This allows the main bearing assembly oil seal chamber to be balanced with annular presser, greatly increasing downhole reliability.

Meanwhile, 100% of the drilling fluid that flows through the M9 is sent through the drill bit without loss, providing maximized bit hydraulics and cleaning.

Restricted flow motors for RSS applications If the M9 zero bypass motor does not fit your RSS needs, consider our oil sealed drilling motors. The restricted bypass feature of our M5 and M6 oil sealed drilling motors gives you full control over the amount of fluid flowing to your rotary steerable system and bit.

Bypassed mud flow can be limited with the use of specially designed jetted plugs, which reduce the restricted flow area of the piston housing ports. This allows optimal fluid to flow to the RSS and prevents wash within the assembly due to increased flow velocity.

Piston housing ports with jetted plugs

Secondary oil sealed isolation chamber

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Drilling Motors | M9 Zero Bypass Rotary Steerable System Assist Motor


Power Section (mm)

Nominal BA OD (mm)

Bit Box to Stator (m)

Hole Size (mm)

Standard Bit Box Thread (API) Max WOB (daN) Max Bit

Overpull (daN)Max WOB to Re-run (daN)

Max Bit Overpull to Re-run(daN)

Absolute Body Overpull (daN)

121 140 2.9 149 – 200 3.5 IF Pin 24,000 11,100 98,700 48,000 194,000

127 140 2.9 149 – 200 3.5 IF Pin 24,000 11,100 98,700 48,000 214,000


Power Section (in)

Nominal BA OD (in)

Bit Box to Stator (ft)

Hole Size (inch)

Standard Bit Box Thread (API) Max WOB (lbs)

Max Bit Overpull

(lbs)

Max WOB to Re-run (lbs)

Max Bit Overpull to Re-run (lbs)

Absolute Body Overpull (lbs)

4 3/4 5 1/2 9.6 5 7/8 – 7 7/8 3.5 IF Pin 54,000 25,000 222,000 108,000 436,000

5 5 1/2 9.6 5 7/8 – 7 7/8 3.5 IF Pin 54,000 25,000 222,000 108.000 481,000


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Drilling Motors | Thru Tubing Motors

Reliably complete coil tubing drilling and workover operations with our thru tubing motor. Small diameters, high flow rates and solid, robust connections make our S39 and S29 motors ideal for your thru tubing needs.

Robust and reliable Wenzel engineering in a slim, fit-for-pupose designThe Wenzel S29 mud lubricated and S39 oil sealed thru tubing motors are offered in several sizes and configurations suited for coil tubing or thru tubing completions and workovers.

All are equipped with a flex drive that is available in premium steel or titanium, and that has been designed for use with high torque connections. Flow rates are higher thanks to increased thru bore and bypass ports. A large internal mandrel and robust connections allow for high torque and maximum performance.

Quality tested, every time Every manufactured Wenzel tool is strenuously tested before it leaves our facility. Above: A Wenzel 7” M40 mud lubricated motor tested on our in-house DynoFlow tester.

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Nominal Motor OD

(in)Model

Bearing Assembly

Type

Overall Length*

(ft)

WOB (lbs)

Bit Overpull

(lbs)

WOB to Re-Run

(lbs)


Flow Range (gpm)

Speed Range (rpm)

Speed Ratio (rev/gal)

Max Diff. Pressure

(psi)

Torque @ Max Diff. Pressure

(ft. lbs)

2 7/8 S39 5635 Oil Sealed 14.3 11,500 11,500 40,900 40,900 60 – 130 250 – 520 4.11 830 650

2 7/8 S39 5647 Oil Sealed 14.9 11,500 11,500 40,900 40,900 50 – 150 170 – 500 3.32 1,110 830

2 7/8 S39 5670 Oil Sealed 15.9 11,500 11,500 40,900 40,900 30 – 110 160 – 600 5.42 1,650 780

2 7/8 S29 5635 Mud Lube 14.6 15,200 15,200 59,000 42,000 60 – 130 250 – 520 4.11 830 650

2 7/8 S29 5647 Mud Lube 15.2 15,200 15,200 59,000 42,000 50 – 150 170 – 500 3.32 1,110 830

2 7/8 S29 5647 Mud Lube 16.2 15,200 15,200 59,000 42,000 30 – 110 160 – 600 5.42 1,650 780

3 1/8 S29 5635 Mud Lube 13.6 16,000 16,000 61,500 46,000 100 – 210 230 – 470 2.25 830 990

3 1/8 S29 7825 Mud Lube 14.6 16,000 16,000 61,500 46,000 110 – 210 120 – 260 1.24 590 1,160

3 1/8 S29 7830 Mud Lube 15.1 16,000 16,000 61,500 46,000 80 – 170 140 – 310 1.80 710 1,020

*Overall Length - Top end lengths include rotor retainer catch sub and simple top sub (non-flex). Add 0.5 ft if using non-float flex top sub. Add 1 ft if using flex top sub with float.

Specifications are based on as-new condition and are subject to change without notice.Bearing assembly specifications can be found on pages 8, 10 and 12-13.

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Nominal Motor OD

(mm)Model

Bearing Assembly

Type

Overall Length*

(m)

WOB (daN)

Bit Overpull

(daN)

WOB to Re-Run (daN)


Flow Range (lpm)

Speed Range (rpm)

Speed Ratio (rev/litre)

Max Diff. Pressure

(kPa)

Torque @ Max Diff. Pressure

(N∙m)

73 S39 5635 Oil Sealed 4.36 5,100 5,100 18,200 18,200 225 – 455 250 – 520 1.09 5,720 880

73 S39 5647 Oil Sealed 4.54 5,100 5,100 18,200 18,200 190 – 470 170 – 500 0.88 7,650 1,130

73 S39 5670 Oil Sealed 4.85 5,100 5,100 18,200 18,200 120 – 420 160 – 600 1.43 11,380 1,060

73 S29 5635 Mud Lube 4.45 6,800 6,800 26,200 18,700 225 – 455 250 – 520 1.09 5,720 880

73 S29 5647 Mud Lube 4.63 6,800 6,800 26,200 18,700 190 – 470 170 – 500 0.88 7,650 1,130

73 S29 5647 Mud Lube 4.94 6,800 6,800 26,200 18,700 120 – 420 160 – 600 1.43 11,380 1,060

79 S29 5635 Mud Lube 4.15 7,100 7,100 27,400 20,500 380 – 680 230 – 470 0.59 5,720 1,340

79 S29 7825 Mud Lube 4.45 7,100 7,100 27,400 20,500 415 – 790 120 – 260 0.33 4,070 1,570

79 S29 7830 Mud Lube 4.60 7,100 7,100 27,400 20,500 300 – 640 140 – 310 0.48 4,900 1,380

*Overall Length - Top end lengths include rotor retainer catch sub and simple top sub (non-flex). Add 0.15 m if using non-float flex top sub. Add 0.3 m if using flex top sub with float.

Specifications are based on as-new condition and are subject to change without notice.Bearing assembly specifications can be found on pages 8, 10 and 12-13.

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Drilling jars are your last line of defense – your insurance policy – against a stuck drillstring and an unsuccessful run. Your best chance of success when you’re caught between rock and a hard place is with a Wenzel drilling jar. Our jar collection features both hydraulic and mechanical options, and can be configured to provide you with the highest overpull capacity in the market.

In this section:

• Ultimate High-Overpull Configurations• Double Acting Hydraulic Jar (HJDA)• Double Acting Hydraulic Mechanical Jar (HMDA)• Hydraulic Mechanical Jar (HMJ)• Hydraulic Fishing Jar• Jar Accelerators• Jar Placement Tool

Drilling Jars

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Drilling Jars | Ultimate High-Overpull Configurations

All Wenzel jars can be upgraded to our patented Ultimate configuration, which boast the highest overpull capacity in the market. Deliver a bigger punch!

Bolster your insurance policyDon’t take chances with your drillstring – ensure a successful downhole run each and every time with the help of our Ultimate drilling jar configurations.

Our patented design features multiple high pressure chambers that make the most of modern rigs and today’s premium strength drill pipe.

Invest in an insurance policy on which you can rely. Equip yourself with the industry-leading overpull strength of a Wenzel Ultimate drilling jar.

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Drilling Jars | Double Acting Hydraulic Jar (HJDA)

For reliable defense against stuck drillstrings in highly deviated or high-friction wells, the Wenzel HJDA offers sturdy and powerful hydraulic, bidirectional action.

Twin metering valvesThe Wenzel HJDA is a purely hydraulic bidirectional drilling jar that allows the operator to apply variable impact in both the up and down directions – unaffected by left or right hand torque.

Variable, operator-controlled impact is acheived thanks to a pair of hydraulic metering valves that feature high level flow restriction with large passage. The metering device (Visco Jet) ensures consistent delay times over a full range of operating temperatures and delay can be changed by swapping jets. These high performance valves have been used successfully in the aerospace industry, where precision and reliability is paramount.

Because of the HJDA’s latch-free design, the range of jar placement options increases significantly. The HJDA can be used in tension or compression, and is an excellent option when available force is not sufficient to jar down with conventional HMJ drilling jars.

Simpler, smaller and cost effective The minimalist design of our HJDA makes it the shortest drilling jar on the market. Fewer oil seal chambers and parts keeps costs down and maintenance simple. By shortening the length of the HJDA, longer flex collars can be used to reduce bending stress across the jar.

To further increase its durability, we coat all external sealing surfaces with wear and corrosion resistant tungsten carbide.

Twin metering valves

Expand your options with convertible jars Keep both hydraulic and mechanical jar options on hand with a single asset and minimal inventory thanks to Wenzel’s convertible jar system. The HJDA can be easily converted to both a Hydraulic Mechanical Double-Acting drilling jar (HMDA) or a Hydraulic Mechanical Single-Acting jar (HMSA). In addition to giving you options with a single asset and reducing inventory, the convertability of our HJDA gives you flexibility to move these assets into any region for any application.

Deliver the ULTIMATE punchThe Wenzel HJDA is available in our proprietary Ultimate configuration, which gives operators the highest overpull capacity on the market. Learn more about our Ultimate jar configurations on page 23.

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Drilling Jars | Double Acting Hydraulic Drilling Jar (HJDA)

All HJDA drilling jars can be converted to a Hydraulic Mechanical Double-Acting (HMDA) or Hydraulic Mechanical Single-Acting (HMSA) drilling jar with minimal modifications. Contact a WZL representative for details.

Specifications are based on as-new condition and are subject to change without notice.As-new OD is typically the nominal OD plus API drill collar allowance.

Specifications (Imperial)Nominal OD

(in) HJDA Type Length (ft)

Thru Bore (in)

Tensile Yield (lbs)

Torsional Limit (ft lbs)

Pump Open Area (in2)

Max Pull During Delay (lbs)

Max Slack During Delay (lbs)

Free Stroke Up & Down (in)

Total Stroke (in)

3 1/8 Standard 14.3 1.25 240,000 6,000 4.9 50,000 50,000 7.0 21.03 3/8 Standard 14.3 1.50 234,900 9,000 5.9 50,000 50,000 7.0 21.04 1/4 Standard 16.9 2.00 300,800 15,300 8.9 70,000 70,000 8.0 25.0

4 3/4 StandardUltimate

17.422.0 2.25 370,600 22,800 11.8 85,000

132,000 85,000 8.0 25.0

5 Standard 17.4 2.25 370,600 22,800 11.8 85,000 85,000 8.0 25.06 1/4 Standard 17.9 2.25 938,900 55,900 19.6 160,000 160,000 8.0 25.0


18.123.1 2.75 1,220,000 63,700 23.8 175,000

275,000 175,000 8.0 25.0


17.922.7 2.75 1,220,000 66,600 23.8 230,000

340,000 230,000 8.0 25.0

7 Ultimate 22.7 2.75 1,220,000 66,600 23.8 340,000 230,000 8.0 25.0

8 StandardUltimate

18.223.2 2.81 1,293,900 89,400 30.7 300,000

450,000 300,000 8.0 25.0

8 1/4 Standard 18.2 2.81 1,293,900 89,400 30.7 300,000 300,000 8.0 25.0


19.024.1 3.00 1,658,500 139,400 41.3 350,000

550,000 350,000 8.0 25.0

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Drilling Jars | Double Acting Hydraulic Drilling Jar (HJDA)

All HJDA drilling jars can be converted to a Hydraulic Mechanical Double-Acting (HMDA) or Hydraulic Mechanical Single-Acting (HMSA) drilling jar with minimal modifications. Contact a WZL representative for details.


Specifications (Metric)Nominal OD

(mm) HJDA Type Length (m)

Thru Bore (mm)

Tensile Yield (daN)

Torsional Limit (N·m)

Pump Open Area (mm2)

Max Pull During Delay (daN)

Max Slack During Delay (daN)

Free Stroke Up & Down (mm)

Total Stroke (mm)

80 Standard 4.3 32 106,800 8,100 3,200 22,200 22,200 180 53086 Standard 4.3 38 104,500 12,200 3,800 22,200 22,200 180 530108 Standard 5.2 51 133,800 20,700 5,700 31,100 31,100 200 640

121 StandardUltimate

5.36.7 57 164,800 30,900 7,600 37,800

58,700 37,800 200 640

127 Standard 5.3 57 164,800 30,900 7,600 37,800 37,800 200 640159 Standard 5.4 57 417,600 75,800 12,600 71,200 71,200 200 640


5.57.0 70 542,700 86,400 15,400 77,800

122,300 77,800 200 640


5.56.9 70 542,700 90,300 15,400 102,300

151,200 102,300 200 640

178 Ultimate 6.9 70 542,700 90,300 15,300 151,200 102,300 200 640


5.57.1 71 575,500 121,200 19,800 133,400

200,200 133,400 200 640

210 Standard 5.5 71 575,500 121,200 19,800 133,400 133,400 200 640


5.87.3 76 737,700 189,000 26,600 155,700

244,600 155,700 200 640

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Drilling Jars | Double Acting Hydraulic Mechanical Drilling Jar (HMDA)

For safe handling and predictable jarring action during operation, the Wenzel HMDA jar provides effective jarring action in both directions.

Latched for safety and predictabilityThe Wenzel HMDA is a double-acting hydraulic jar designed to deliver a hydraulic delay when jarring in both the up and down directions. What makes the HMDA different is the mechanical latch that keeps the jar locked in the neutral position. This latch eliminates unexpected jarring during operation and handling – and keeps people safe.

Simple operationLike our HJDA, the HMDA jar incorporates a Visco Jet metering device that ensures consistent delay times over a full range of operating temperatures, up to 250°F (120ºC) with standard seals or 450ºF (230ºC) with the addition of heat- resistant seals. Delayed jar firing allows the driller to control loads.

The HMDA can be run in tension or in compression within the preset latch setting, and operates via a simple up and down motion that is unaffected by right or left hand torque.

Built to lastThe HMDA, like all other Wenzel jars, is designed without any housing ports to the annulus. Such ports can restrict jar stroke, impact strength and seal integrity. The spline drive and latch mechanism are enclosed in a single oil chamber and the double-acting hydraulic valves in a second oil chamber. Minimizing the number of oil chambers reduces the seals required, increasing jar reliability.

All external sealing surfaces are coated with wear and corrosion resistant tungsten carbide.

Mechanical latch

Expand your options with convertible jars The Wenzel HMDA can be easily converted to a Double-Acting Hydraulic Jar (HJDA) or a Hydraulic Mechanical Single-Acting jar (HMSA). The HMSA conversion is done with the simple removal of the down-firing hydraulic valve. In addition to giving you options with a single asset and reducing inventory, the convertability of our HMDA gives you flexibility to move these assets into any region for any application.

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Drilling Jars | Double Acting Hydraulic Mechanical Drilling Jar (HMDA)

All HMDA drilling jars can be converted to a Hydraulic Mechanical Single-Acting (HMSA) drilling jar with the removal of the down firing hydraulic valve. Contact a WZL representative for details.



(mm)Length

(m)Thru Bore

(mm)Tensile Yield

(daN)Torsional Limit

(N∙m)Pump Open Area (mm2)

Nominal Up Latch Setting (daN)

Nominal Down Latch Setting (daN)

Max Pull / Push During Delay (daN)

Free Stroke Up & Down (mm)

Total Stroke (mm)

121 6.6 57 164,800 30,900 7,600 24,500 13,300 37,800 200 640165 7.0 70 542,700 86,400 15,400 40,000 17,800 77,800 200 640203 7.0 70 575,500 121,200 19,800 44,500 20,000 133,400 200 640241 7.5 76 737,700 189,000 26,600 48,900 22,200 155,700 200 640


(in)Length

(ft)Thru Bore

(in)Tensile Yield

(lbs)Torsional Limit

(ft lbs)Pump Open

Area (in2)Nominal Up Latch

Setting (lbs)Nominal Down Latch

Setting (lbs)Max Pull / Push

During Delay (lbs)Free Stroke Up

& Down (in)Total Stroke

(in)

4 3/4 21.5 2.25 370,600 22,800 11.8 55,000 30,000 85,000 8.0 25.06 1/2 23.0 2.75 1,220,000 63,700 23.8 90,000 40,000 175,000 8.0 25.0

8 23.2 2.81 1,293,900 89,400 30.7 100,000 45,000 300,000 8.0 25.09 1/2 24.5 3.00 1,658,500 139,400 41.3 110,000 50,000 350,000 8.0 25.0

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Drilling Jars | Hydraulic Mechanical Jar (HMJ)

Spline driveThe HMJ spline drive carries torsional forces between the housing and mandrel. It is sealed and lubricated, minimizing friction and increasing component life.

Fewer oil chambersThe Wenzel HMJ has just two oil chambers – one combined chamber for the spline drive and mechanical latch, and a second for hydraulic jarring. Fewer oil chambers means fewer seals and greater reliability.

Fixed pistonLike all Wenzel drilling jars, the HMJ has no free-moving balance piston or ports through the housing to the annulus. This keeps fluid and drill cuttings out of the tool, preventing additional wear on seals.

Latch sectionThe built-in mechanical latch keeps the jar locked in a neutral position, which prevents stroking of the jar downhole and unintentional firing of the jar while drilling or tripping. When latched, the mandrel and housing act integrally, eliminating seal and inner-tool wear. The latch eliminates the need for a safety collar and special handling/precautions on the rig floor.

Hydraulic valveThe HMJ hydraulic valve provides delay when jarring up, allowing drillers to vary overpull and control impact force. The valve resides in its own oil seal chamber for increased reliability, and a robust metering device controls delay times across operating temperatures.

HMJ hydraulic valve

Expand your options with convertible jarsFor added flexibility, consider our HJDA or HMDA drilling jars, which can be converted to a Hydraulic Mechanical Single-Acting (HMSA) jar. The HMSA is similar in function to the conventional HMJ, but with a longer stroke adopted from the base HJDA/HMDA design. Contact a WZL representative for details.

Deliver the ULTIMATE punchThe Wenzel HMJ is also available in Enhanced or our proprietary Ultimate configurations. Our Ultimate jars give operators the highest overpull capacity on the market. Learn more about our Ultimate jar configurations on page 23.

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The jar that started it all... Our conventional HMJ delivers hydraulic operation when jarring upward, and mechanical operation down-ward. A time delay allows load variance prior to jarring up, and a safety latch mechanism to prevent unexpected jarring.

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(in) HMJ Type Length (ft) Thru Bore (in)

Tensile Yield (lbs)

Torsional Limit

(ft lbs)


Nominal Up Latch Setting (lbs)

Nominal Down Latch Setting

(lbs)

Max Pull During Delay (lbs)

Free Stroke Up

(in)

Free Stroke Down (in)

Total Stroke (in)

3 1/8 Standard 13.9 1.00 154,500 4,500 4.0 25,000 11,000 42,000 5.0 6.5 15.03 1/2 Standard 15.0 1.19 213,600 9,000 6.0 35,000 15,000 50,000 5.0 7.0 15.03 3/4 Standard 15.1 1.19 213,600 9,000 6.0 35,000 15,000 65,000 5.0 7.0 15.0


16.618.9 2.00 300,800 15,300 9.0 45,000 25,000 75,000

110,000 5.0 6.0 15.0


17.019.6 2.25 391,000 20,000 11.8 55,000 30,000 85,000

132,000 5.0 6.0 15.0

5 Standard 17.0 2.25 391,000 23,300 11.8 55,000 30,000 85,000 5.0 6.0 15.0


17.019.6 2.25 391,000 22,800 11.8 55,000 30,000 85,000

132,000 5.0 6.0 15.0

5 1/4 Standard 17.9 2.25 554,000 31,500 14.2 55,000 30,000 120,000 5.0 6.0 15.0


18.020.5 2.25 803,000 48,500 19.6 90,000 40,000 160,000

250,000 5.0 6.0 15.0


18.020.5 2.25 803,000 52,400 19.6 90,000 40,000 160,000

250,000 5.0 6.0 15.0


17.920.5 2.75 747,000 53,800 21.7 90,000 40,000 170,000

250,000 5.0 6.0 15.0


17.920.5 2.75 908,000 48,800 23.8 95,000 42,000 190,000

270,000 5.0 6.0 15.0

8StandardEnhancedUltimate

18.218.820.7

2.81 949,000 89,40030.711.030.7

100,000130,000100,000

45,00058,00045,000

240,000240,000400,000

5.5 6.0 15.0

8 1/2 StandardEnhanced

18.218.8 2.81 949,000 89,400 30.7

11.0100,000130,000

45,00058,000

240,000240,000 5.5 6.0 15.0

9 StandardEnhanced

19.119.6 3.00 1,221,000 96,200 38.5

12.6110,000150,000

50,00067,000

240,000240,000 5.5 6.0 15.0

9 1/2 StandardEnhanced

19.219.6 3.00 1,658,500 139,400 41.3

12.6110,000150,000

50,00067,000

240,000240,000 5.5 6.0 15.0

10 Ultimate 21.9 3.00 1,658,500 160,500 44.2 110,000 50,000 580,000 5.5 6.0 15.0


Specifications are based on as-new condition and are subject to change without notice. As-new OD is typically the nominal OD plus API drill collar allowance.

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(mm) HMJ Type Length (m) Thru Bore (mm)

Tensile Yield (daN)

Torsional Limit (N·m)


Nominal Up Latch Setting (daN)

Nominal Down Latch Setting

(daN)


Free Stroke Up

(mm)

Free Stroke Down (mm)

Total Stroke (mm)

79 Standard 4.2 25 68,700 6,100 2,600 11,100 4,900 18,700 130 170 38089 Standard 4.6 30 95,000 12,200 3,900 15,600 6,700 22,200 130 180 38095 Standard 4.6 30 95,000 12,200 3,900 15,600 6,700 28,900 130 180 380


5.15.8 51 133,800 20,700 5,800 20,000 11,100 33,400

48,900 130 150 380


5.26.0 57 173,900 27,100 7,600 24,500 13,300 37,800

58,700 130 150 380

127 Standard 5.2 57 173,900 31,600 7,600 24,500 13,300 37,800 130 150 380


5.26.0 57 173,900 30,900 7,600 24,500 13,300 37,800

58,700 130 150 380

133 Standard 5.5 57 246,400 42,700 9,200 24,500 13,300 53,400 130 150 380


5.56.3 57 357,200 65,800 12,700 40,000 17,800 71,200

111,200 130 150 380


5.56.3 57 357,200 71,000 12,700 40,000 17,800 71,200

111,200 130 150 380


5.56.3 70 332,300 72,900 14,000 40,000 17,800 75,600

111,200 130 150 380


5.56.2 70 403,900 66,200 15,300 42,300 18,700 84,500

120,100 130 150 380

203StandardEnhancedUltimate

5.55.76.3

71 422,100 121,20019,8007,10019,800

44,50057,80044,500

20,00025,80020,000

106,800106,800177,900

140 150 380

216 StandardEnhanced

5.55.7 71 422,100 121,200 19,800

7,10044,50057,800

20,00025,800

106,800106,800 140 150 380


5.86.0 76 543,100 130,400 24,800

8,10048,90066,700

22,20029,800

106,800106,800 140 150 380


5.96.0 76 737,700 189,000 26,600

8,10048,90066,700

22,20029,800

106,800106,800 140 150 380

254 Ultimate 6.7 76 737,700 217,600 28,500 48,900 22,200 258,000 140 150 380


Specifications are based on as-new condition and are subject to change without notice. As-new OD is typically the nominal OD plus API drill collar allowance.

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Drilling Jars | Hydraulic Fishing Jar (HJ)

The LiberatorThe Wenzel HJ is a single acting, upward firing jar designed primarily to free your assets from tight jams. The HJ is smaller and lighter than our line of drilling jars, and can be positioned in conjunction with accelerators to provide optimal jarring action. Additionally, the HJ can be configured in our Ultimate set up, giving you the highest overpull on the market.

The HJ is hydraulically activated in the up direction with impact force controlled by the operator. The Visco Jet metering device ensures consistent delay times over a full range of operating temperatures.

Built to lastThough our HJ is designed to be rugged enough for drilling applications, it is intended for fishing, coring and milling applications. A long, splined mandrel ensures the HJ is not affected by torsional forces and splines are sealed and lubricated to minimize friction and reduce wear.

Standard seals are effective to 250ºF (120ºC), and the HJ can be dressed with seals effective to 400ºF (200ºC) for hot hole environments.

All external sealing surfaces are coated with wear and corrosion resistant tungsten carbide.

Spline drive

Deliver the ULTIMATE punchThe Wenzel HJ is available in our proprietary Ultimate configuration, which gives operators the highest overpull capacity on the market. Learn more about our Ultimate jar configurations on page 23.

When taking care of fishing, coring and milling operations, look no further than the tough and reliable Wenzel HJ hydraulic fishing / drilling jar.

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Specifications are based on as-new condition and are subject to change without notice.Other sizes available upon request.

Specifications (Imperial)Nominal OD (in) HJ Type Length

(ft)Thru Bore

(in)Tensile Yield

(lbs)Torsional Limit

(ft lbs)Pump Open

Area (in2)Max Pull During

Delay (lbs)Free Stroke

(in)Total Stroke

(in)

3 1/8 Standard 9.5 1.00 198,000 6,600 4.0 41,000 7.0 11.0

3 3/8 Standard 9.0 1.50 235,000 7,400 5.9 50,000 4.0 8.5

3 3/4 Standard 9.2 1.25 196,000 10,100 5.9 60,000 4.0 8.0

4 1/4 Standard 9.5 2.00 301,000 13,800 8.9 70,000 4.0 8.5


11.213.3 2.25 352,000 16,100 11.0 75,000

131,250 6.5 11.0

5 Standard 11.2 2.25 352,000 23,300 11.0 85,000 6.5 11.0

6 1/4 Standard 9.7 2.25 868,000 35,000 19.6 130,000 6.5 11.0


11.513.7 2.25 868,000 44,000 19.6 150,000

262,500 6.5 11.0

8 Standard 10.6 3.00 900,000 86,900 30.7 240,000 6.5 11.09 Standard 11.3 3.00 1,288,800 128,800 41.2 270,000 6.0 10.5

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Specifications (Metric)Nominal OD (mm) HJ Type Length

(m)Thru Bore

(mm)Tensile Yield

(daN)Torsional Limit

(N∙m)Pump Open Area (mm2)


Free Stroke (mm)

Total Stroke (mm)

79 Standard 2.9 25 88,100 8,900 2,600 18,200 180 280

86 Standard 2.7 38 104,500 10,000 3,800 22,200 100 220

95 Standard 2.8 32 87,200 13,700 3,800 26,700 100 200

108 Standard 2.9 51 133,900 18,700 5,700 31,100 100 220


3.44.1 57 156,600 21,800 7,100 33,400

58,400 170 280

127 Standard 3.4 57 156,600 31,600 7,100 37,800 170 280

159 Standard 2.9 57 386,100 47,500 12,600 57,800 170 280


3.54.2 57 386,100 59,700 12,600 66,700

116,800 170 280

203 Standard 3.2 76 400,300 117,800 19,800 106,800 170 280

229 Standard 3.4 76 572,900 174,600 26,600 120,100 150 270

Specifications are based on as-new condition and are subject to change without notice.Other sizes available upon request.

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Drilling Jars | Hydraulic Jar AcceleratorsOptimize your jarring stroke with a Wenzel jar accelerator. Our accelerators ensure smooth impactful jarring strokes regardless of well depth and deviation. Ensure adequate jarring wherever you areWenzel jar accelerators are hydraulic springs that store energy in order to intensify jarring impact. When overpull is applied to the drilling jar, the accelerator extends via tension and stores energy in the hydraulic chamber. When the jar fires, stored energy is instantly released, accelerating drill collars above the jar.

Accelerators supplement insufficient drill pipe stretch during jarring operations, which can occur in very shallow holes. They are also recommended for use in extended reach or deviated wells where jar performace could suffer due to hold drag. Wenzel accelerators can also prevent shock waves and other vibrations from travelling up the drill string, protecting your assets in a way similar to that of our shock tool. The operation of our accelerators is independent of fluid circulation, and full torque can be transmitted through the tools.

Built to lastWenzel jar accelerators are built to last through repeated use in the harshest conditions. Featuring a sealed and lubricated spline drive, our accelerators provide long service life under high torque and stroking applications. Standard seals in the tool are effective to 250º F (120º C) but can be dressed with seals effective to 400º F (200º C). The tools can also be sealed externally with a specialized tungsten carbide coating to enhance wear and corrosion resistance.

Double upIf you’re using a Wenzel HJDA or HMDA, make sure you take advantage of our double-acting accelerator. Double-acting accelerators work with double-acting jars and store energy through both tension and compression.

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Drilling Jars | Hydraulic Jar Accelerators



(in) Accelerator Type Length (ft)

Thru Bore (in)

Tensile Yield (lbs)

Torsional Limit (ft lbs)

Load to Extend (lbs)

Load to Compress (lbs)

Stroke (in)

3 1/8 Single Acting 11.3 1.00 227,000 5,700 34,000 - 8.03 3/8 Single Acting 13.5 1.50 235,000 9,000 36,000 - 8.04 3/4 Single Acting 14.4 2.25 371,000 22,800 58,000 - 8.04 3/4 Double Acting 20.9 2.25 370,600 22,800 42,000 31,000 12.56 1/2 Single Acting 14.7 2.25 970,000 56,300 141,000 - 8.06 1/2 Double Acting 22.2 2.75 1,220,000 63,700 99,400 43,900 12.56 5/8 Single Acting 14.7 2.75 999,000 61,500 136,000 - 8.06 3/4 Single Acting 15.0 2.75 999,000 66,000 150,000 - 8.0

7 Single Acting 15.3 2.75 994,000 65,100 160,000 - 8.08 Single Acting 15.5 3.00 1,163,000 86,200 198,000 - 8.08 Double Acting 19.8 2.81 1,294,000 89,400 198,000 63,700 12.5

8 1/4 Single Acting 15.5 3.00 1,164,000 86,200 198,000 - 8.09 1/2 Single Acting 14.3 3.00 1,658,500 139,900 211,000 - 8.0

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Drilling Jars | Hydraulic Jar Accelerators



(mm) Accelerator Type Length (m)

Thru Bore (mm)

Tensile Yield (daN)

Torsional Limit (N∙m)

Load to Extend (daN)

Load to Compress (daN)

Stroke (mm)

79 Single Acting 3.4 25 101,000 7,700 15,100 - 20386 Single Acting 4.1 38 105,000 12,200 16,000 - 203121 Single Acting 4.4 57 165,000 30,900 58,000 - 203121 Double Acting 6.4 57 370,600 30,900 42,000 13,800 318165 Single Acting 4.5 57 431,000 76,300 62,700 - 203165 Double Acting 6.8 70 543,000 86,400 44,200 19,500 318168 Single Acting 4.5 70 444,000 83,400 60,500 - 203171 Single Acting 4.6 70 444,000 89,500 66,700 - 203178 Single Acting 4.7 70 442,000 88,300 71,200 - 203203 Single Acting 4.7 76 517,000 116,900 88,100 - 203203 Double Acting 6.0 71 576,000 121,200 61,600 28,300 318210 Single Acting 4.7 76 518,000 116,900 88,100 - 203241 Single Acting 4.4 76 737,000 189,700 92,900 - 203

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Drilling Jars | Jar Placement Application

Our Jar Placement Utility desktop application was developed to help you get the most from your HMJ, HMDA, HJDA and fishing jars.

Above: Screenshots of the Jar Placement Utility application showing ideal placement from jar to bit.

Don’t roll the dice

Take the guesswork out of jar placements with the help of our in-house developed jar placement application. Calculate impact and impulse relative to jar-to-bit length using variables specific to your run and identify your optimal jar placement.

The application can be used for vertical, directional and horizontal drilling. It can also calculate accelerator placement.

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To keep every run as smooth and predictable as possible, we offer a number of robust drilling tools that work in tandem with our motors to give you more accurate and reliable runs, and help protect your assets. The result is longer, uninterrupted run times and lower cost-per-distance of hole.

We continue to engineer new drilling solutions and improve existing designs. Our tools are offered in an industry-leading number of outside and inside diameters, ensuring you always have the right tool for the job.

In this section:

• Shock Tool• Bumper Sub

Drilling Tools

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Anti-friction toolsWhen used in tandem with axial anti-friction tools, our shock tool can help spread axial vibrations further along the drill string.

By smoothing out and lengthening these vibrations, axial shock loads can be reduced by up to 20% while drilling power increases.

MWD protectionProtect and ensure accuracy from your high-value and carefully calibrated mea-surement-while-drilling (MWD) tool by reducing axial vibration through the simple addition of a cost-effective Wenzel shock tool.

Drilling Tools | Wenzel Shock Tool

The Wenzel shock tool does more than reduce bit vibration in hard formations. And thanks to its simple design, it is the most durable and cost-effective shock tool on the market. We also offer our shock tool in a wider array of sizes than anyone else.

Bit vibrationWhen drilling through tough, hard rock formations and/or using aggressive hammer drilling tools, additional vibration can occur and cause excessive stress to drill bits.

The Wenzel shock tool helps reduce bit vibration without lifting the bit from its point of contact. Results include better boreholes, increased ROP and extended life of BHA equipment.

Our simple design and quality materials ensure our tool is built to withstand incredible forces and is easy to maintain.

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Drilling Tools | Wenzel Shock Tool


(mm)Length

(m)Thru Bore

(mm)Tensile Yield

(daN)Torsional

Limit (N·m)Pump Open Area (mm2)

86 2.4 25 45,400 9,900 3,800

89 2.4 25 106,300 9,900 3,800

121 3.3 38 249,800 27,100 7,100

133 3.7 57 266,900 39,500 9,200

159 3.6 57 412,200 51,400 12,700

165 3.5 70 427,000 53,600 12,700

171 3.5 70 372,500 62,900 13,900

203 3.6 70 613,300 111,400 19,700

229 3.7 76 668,100 130,400 24,800

241 3.7 76 537,800 177,600 26,000

254 3.7 76 554,400 179,400 26,600

279 3.7 76 724,300 305,900 41,000

305 3.7 76 724,300 309,000 41,000

356 4.3 76 1,112,000 490,700 50,600


(in)Length

(ft)Thru Bore

(in)Tensile Yield

(lbs)Torsional

Limit (ft lbs)Pump Open

Area (in2)3 3/8 7.9 1 102,000 7,300 5.9

3 1/2 7.8 1 239,000 7,300 5.9

4 3/4 10.7 1 1/2 561,500 20,000 11.0

5 1/4 12.0 2 1/4 600,000 29,100 14.2

6 1/4 11.7 2 1/4 926,600 37,900 19.6

6 1/2 11.7 2 1/4 960,000 39,500 19.6

6 3/4 11.5 2 3/4 837,400 46,400 21.6

8 11.9 2 3/4 1,378,800 82,200 30.6

9 12.3 3 1,502,000 96,200 38.5

9 1/2 12.3 3 1,209,000 131,000 41.3

10 12.3 3 1,246,500 132,300 41.3

11 12 3 1,628,300 225,600 63.6

12 12 3 1,246,500 227,900 63.6

14 14 3 2,500,000 361,900 78.5

Specifications are based on as-new condition and are subject to change without notice.

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Drilling Tools | Bumper Sub

This traditional downhole tool has numerous applications during fishing, coring and workover operations.

The Wenzel bumper sub is a tried-and-true downhole tool that has for years been trusted to complete fishing, testing and plug-and-abandonment jobs around the world. Its versatility allows operators to engage and release various fishing or testing tools, or apply constant and precise weight to sensitive milling and cutting tools.

As the name suggests, the bumper sub is built to jar or “bump” upward or downward to dislodge stuck equipment or clear debris.

Like other Wenzel jarring tools, our bumper sub features a sealed and lubricated spline drive that provides long service life under high torque and stroking applications. External sealing surfaces are tungsten carbide coated to enhance wear and corrosion resistance, and standard seals are effective to 250°F (120°C). For hot hole environments, the sub can be dressed with seals effective to 400°F (200°C).

Specifications (Metric)Nominal OD (mm)

Length Closed (m)

Thru Bore (mm)

Tensile Yield (daN)

Torsional Yield (N∙m)


Stroke (mm)

79 2.4 25 63,300 8,900 26,00 508

108 2.5 48 103,800 18,700 5,400 508

121 3.2 57 173,500 27,100 7,600 508

165 3.4 57 430,900 60,500 12,700 508

203 3.6 76 515,400 172,200 19,800 508

Specifications (Imperial)Nominal OD (in)

Length Closed (ft)

Thru Bore (in)

Tensile Yield (lbs)

Torsional Yield (ft lbs)


Stroke (in)

3 1/8 7.8 1.00 142,200 6,600 4.0 20

4 1/4 8.3 1.88 233,400 13,800 8.3 20

4 3/4 10.5 2.25 390,000 20,000 11.8 20

6 1/2 11.1 2.25 968,800 44,600 19.6 20

8 11.8 3.00 1,158,700 127,00 30.7 20

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Trusted Worldwide

Corporate Headquarters3115 – 93 Street N.W. Edmonton, Alberta, CanadaT6N 1L7 Email: [email protected]: 1.780.440.4220

US Headquarters4205 FM 1485Conroe, Texas, U.S.A.77306 Email: [email protected]: 1.936.441.1480

MENA HeadquartersAl Markaz Industrial Area Waha Land, LT01 B25-32 Abu Dhabi, U.A.E. Email: [email protected]: +971 2 585 2800

Wenzel’s tools are utilized worldwide and are widely available for purchase or rent.

Exceptional customer support includes access to our in-house engineering, sales, operations, manufacturing and downhole tool servicing. Our customer support also extends through our network of certified distributors, who extend our reach globally in order to serve you better.

For more information, contact us with the details provided at the bottom of this page or find the office nearest you: www.wenzeltools.com.

Copyright © 2020 Wenzel Downhole Tools ULC. All Rights Reserved.

Contact us for pricing and further details

Rev.2020.003

Documents

Product Catalogue - Wenzel Downhole Tools