E551 Dead Line Anchor

1\110Totc0- - -

(Aarco Company

INSTALLATION, OPERATION & MAINTENANCE

TYPE E & EB WEIGHT INDICATOR WITH HERCULES MODEL 120T ANCHOR

AND COMPRESSION TYPE E551 SENSATER

Printed in U.S.A. September 1981

Manual TW586 contains 12 pages as follows:

Cover ............................. October 1980 i through vi ........................ .October 1980 1.0 Introduction. ..................... October 1980 2.0 Description ...................... October 1980 3.0 Installation. ...................... October 1980 4.0 Operation ....................... October 1980 5.0 Maintenance. .................... October 1980 6.0 TroubleShooting. ................. October 1980 7.0 Repairs. ........................ October 1980

All product, brand, or trade names used in this publication are the trademarks or registered trademarks of their respective owners.

Information in this manual is subject to change without notice.

IMPORTANT SAFETY NOTICE

Proper service and repair is important to the safe, reliable operation of all M/D TOTCO equipment. The service procedures recommended by M/D TOTCO and described in the technical manuals are recommended methods of performing service operations. When these service operations require the use of tools specially designed for the purpose, those special tools should be used as recommended. Warnings against the use of specific service methods that can damage equipment or render it unsafe are stated in the manuals. These warnings are not exclusive, as M/D TOTCO could not possibly know, evaluate and advise service people of all conceivable ways in which service might be done or of all possible associated hazardous consequences. Accordingly, anyone who uses service procedures or tools which are not recommended by M/D TOTCO must first sat- isfy themselves thoroughly that neither personnel safety nor equipment safety will be jeopardized by the method selected.

. . . III April 11,1996

M/D TOTCO

LIMITED PRODUCT WARRANTY

THE FOLLOWING WARRANTY IS EXCLUSIVE AND IN LIEU OF ALL OTHER WARRANTIES, WHETHER EXPRESS, IMPLIED OR STATUTORY, INCLUDING, BUT NOT BY WAY OF LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR FITNESS FOR ANY PARTICULAR PURPOSE.

Martin-Decker TOTCO (“Company”) warrants to Buyer (“Purchase?) of new products manufactured or supplied by the Company that such products are, at the time of delivery to the Purchaser, free of material and workmanship defects, subject to the following exceptions:

A. Any product which has been repaired or altered in such a way, in the Company’s judgement, as to affect the product adversely, including any repairs, rebuilding, welding or heat treating outside of Company authorized facility.

B. Any product which has, in the Company’s judgement, been subject to negligence, accident, or improper storage.

C. Any product which has not been installed, operated and maintained in accordance with normal practice and within the recommendations of the Company.

D. For all items of special order by Buyer which are not manufactured by Company, Buyer should submit warranty claims directly to the manufacturer thereof.

The Company’s obligation under this warranty is limited to repairing, or at its option, replacing any products which in its judgement proved not to be as warranted within the applicable warranty period. All costs of transportation of products claimed not to be as warranted to authorized Company service facility shall be borne by Buyer. Costs of return transportation to Buyer of products accepted for repair or replacement by Company under the warranty provisions of the Sales Agreement shall be borne by the Company. Company may, at its sole option elect to refund the purchase price of the products, and Company shall have no further obligation under the Sales Agreement.

The cost of labor for installing a repaired or replacement part shall be borne by Buyer. Replacement parts provided under the terms of this warranty are warranted for the remainder of the warranty period of the product upon which installed to the same extent as if such parts were original components thereof.

The warranty periods for various products are:

A. Hydraulic, Mechanical, Electronic Equipment: one (1) year from date of installation or fifteen (15) months from date of shipment from Company, whichever occurs first.

B. All Elastomer Diaphragms: six (6) months from date of shipment from Company.

No deviations from the Company’s standard warranty terms or period as stated herein will be honored unless agreed to in writing by an authorized Company representative prior to acceptance of the order.

EXCLUSIVITY OF REMEDY AND LIMITATION OF LIABILITY. THE REMEDIES PROVIDED FOR IN THIS WARRANTY SHALL CONSTITUTE THE SOLE RECOURSE OF BUYER AGAINST COMPANY FOR BREACH OF ANY OF COMPANY’S OBLIGATIONS UNDER THE SALES AGREEMENT WITH BUYER, WHETHER THE CLAIM IS MADE IN TORT OR IN CONTRACT, INCLUDING CLAIMS BASED ON WARRANTY, NEGLIGENCE, OR OTHERWISE.

IN NO EVENT SHALL COMPANY BE LIABLE FOR DIRECT, INDIRECT, INCIDENTAL OR CONSEQUENTIAL DAMAGES, REGARDLESS OF THE FORM OF ACTION, WHETHER IN CONTRACT, STRICT LIABILITY OR IN TORT (INCLUDING NEGLIGENCE), NOR FOR LOST PROFITS.

April 11,1996 M/D TOTCO

iv

TYPE E & EB,WEIGHT INDICATOR WITH HERCULES MODEL 120T ANCHOR AND COMPRESSION TYPE E551 SENSATER

1.00 INTRODUCTION

1.01 This manual provides installation, operation, and maintenance instructions for the

Type E and EB Weight Indicator with Hercules Model 120T Deadline Anchors, and compression type E551 Sensater load cells.

1.02 For illustrative parts lists: Hercules Model 120T Anchor, see IPL214,

E & EB Weight Indicator, see IPL218. Anchor with Compression Sensater load cell maintenance instructions see IADC maintenance checklists MC0279-02 and MC0481-08.

2.00 DESCRIPTION

2.01 The Anchor is designed to provide a practical method of securing the dead line

and for slipping the line at regular intervals. The weight indicator (defined in Table 2-l) uses the Sensater Load Cell, installed in the W ire Line Anchor, to sense the hook load via the deadline and transmit it to the weight indicator gage mounted in front of the driller. The weight indicator TOTAL LOAD dial indicates the load supported by the derrick or mast; the BIT WEIGHT dial indicates the weight on the bit with a direct-reading vernier pointer. Total load and bit weight dial capacities are based on the number of lines strung and the single line rating.

2.02 SYSTEM CAPACITIES, See Table 2-2.

Table 2-l. Type E and EB Weight Indicator Definition Indicator System Model Cap=ity Indicator Gage

Rw Anchor Series units Part No. Mounting I

AWEGH Pounds WE1 Hercules AWEGHK KilOfpIXlS WElK Box

E Model AWE6H-3 DecaNewtons WEl-5 120T AWESH-5 Pounds WE3-1

AWE9H-6 KilOgrZUIM WE3-2 Console AWE9H-‘7 DecaNewtons WE3-15 AWEGH-1 Pounds WEl-3

Hercules AWEGHK-1 KiIograms WElK-3 BoX EB Model AWE6H-4 DecaNewtons WEl-6

120T AWE9H-3 Pounds WE3-7 AWE9H-4 Kilograms wE3-9 Console AWE9H-8 DecsNewtons WE3-16

NOTE: AWEllH Series assemblies same as AWEGH series

Table 2-2. Type E & EB Weight Indicator System Capacities Weight Indicator Type E Ant hor Hercules Model 120T Wire Line Size l-1/4, l-3/8, l-1/2

EB Hercules Model 120T

l-1/2, l-5/8 (32mm; 35mm, 38mm) (38mm; 41mm)

Dial Parts Line 6, 8, 10 & 12 8, 10, 12 & 14 Single pounds 75,080 -- -- 100,000 -- -- Line Kilograms -- 34,020 em 45,360 -- Rating DecaNewtons mm -- 34;,20 -- VW 45,360

-- -- Sensater Pounds 40,800 54,400

-- Kilograms -- -- LOad 18,507 -- 24,678 1: DecaNewtons -- -- 18,507 -- Be 24,676

System 816 816 832 1,088 1,088 1,109.4 -- -- -- -- Calibration

$Sq. Cm. 57.36 76.48

Kilonuca.ls -- -- 5.736 -- -- 7.648 Sensater Effective Area

sq. In. 50.0 50.0 50.0 50.0 50.0 50.0 Sq.- Cm. -- 322..6 322.6 -- 322.6 322.6

9/81 Page 3

TYPE E 81 EB WEIGHT INDICATOR WITH HERCULES MODEL 120T ANCHOR AND COMPRESSION TYPE E551 SENSATER

I

2.03 COMPONENT DESCRIPTION

2.04 Each Weight Indicator System consists of the following components: a. W ire Line Anchor b. Sensater Load Cell c. Hydraulic Hose d. Weight Indicator Gage e. Box or Console (with additional

instrumentation) f. Line-Slipping Snubber for W ire Line

Anchor (Optional)

2.05 W ire Line Anchor. The anchor (Figure 3-2) has a wire line clamp with bronze inserts

for specified wire rope size. The wire line is reeved on the drum approximately 3 or 4 wraps to snub the dead line load before the wire line is passed through the clamp to the reserve reel.

2.06 Sensater Load Cell. The Sensater (Figure 2-l) is installed in the anchor and

is the load cell for sensing the weight signal.

(4) l/2-13 THD (Both Sides) 7

GAP .75

f(lgmm) -F

f

Figure 2-l. Compression Type E551 Sensater

2.0’7 Hydraulic Hose. A double braided hydraulic hose, normally 50 ft long, is provided with

a disconnect coupling on one end for mating with the Sensater. The other end connects directly to the weight indicator gage.

Page 4

2.08 Weight Indicator Gage. The gage face is 16 inches in diameter with white CODY on a

black background and has two dials. The-inner dial indicates the total hook load and the outer dial indicates weight on the bit with a four-to-one ratio vernier pointer. Two sets of dials are fur- nished with each weight indicator gage. Each side of the dial is graduated with the appropriate ca- pacity for the number of lines strung and single line rating.

2.09 Box or Console Mounted. The weight indicator gage may be mounted in either

the basic A337 Box (Figure 2-2) or one of the custom consoles (see cover page). Additional space is available in box or console for drilling function gages, meter, controls, etc. 2.10 Line-Slipping Snubber. The snubber

(Figure 2-3) is designed to attach to the - anchor for controlled line-slipping as a one-man operation during slip-and-cut procedures.

Figure 2-2. A337 Mounting Box

1.b (25 mm)

CHAIN OVERALL LENGTH

WASHER

Figure 2-3. Snubber Assembly

lo/80

I. TYPE E & EB WEIGHT INDICATOR WITH HERCULES MODEL 120T ANCHOR AND COMPRESSION TYPE E551 SENSATER

3.00 INSTALLATION

3.01 ANCHOR. The anchor (Figure 3-2) is designed for base mounting to the derrick

floor using (4) 2” dia. Grade 5 or metric equivalent bolts (see Figure 3-l). It is important that the anchor is mounted so that the deadline has a clear and unobstructed path to the dead sheave in the crown block. If the deadline is not aligned correctly and it rubs against the derrick, or the line passes over a deflection sheave, the sensitivity is greatly reduced. To align with the deadline tilt the anchor using wedges as shown in Figure 3-l.

piiizg STANDARD TILTED

Do not weld anchor to derrick floe= arching could damage bearing groove.

Figure 3-1. Typical Anchor Mounting

v 6.75 (222 mm)

- -. 3.00 (76 mm)

.3.00 (76 mm)

Figure 3-2. Hercules Model 120 Anchor with Compression Type E551 Sensater load cell (Right Hand, standard, model shown)

9/81 Page 5

TYPE E & EB WEIGHT INDICATOR WITH HERCULES MODEL 120T ANCHOR AND COMPRESSION TYPE E551 SENSATER

3.02 SENSATER. Mount the Sensater load cell in the anchor (Figure 3-3) with the check

valve and disconnect located at the top, and to the side toward the anchor drum, for protection.

3.03 BOX OR CONSOLE

a.

b.

Locate where driller can clearly read the dials. Verify that correct dial is showing for the number of lines strung to the traveling block, see paragraph 5.01 j for changing dials.

3.04 HYDRAULIC HOSE

a. Route hose, from Sensater load cell to indicator gage, in a manner that will prevent damage to the hose during operations.

b. Connect hose disconnect at load cell. c. Tie hose to the structure.

[ CAUTION 1

Allow sufficient slack in the hose to avoid it pulling taut. Excess tension will cause fitting or con- nector failure.

NOTE

If separating the weight indicator gage from the anchor is necessary during rig moves, remove and protect the hydraulic hose. Do not remove the Sensater from the anchor.

d. Gpen indicator gage dampers 2-l/2 to 3 turns.

e. Charge the hydraulic system per instructions in paragraph ‘7.03. (The Sensater load cell gap, Figure 3-4, should be 0.75 inches (19mm) with hook empty.

Page 6

SENSATER LOAD CELL

0’ I ,I ii ,

3 Figure 3-3. Anchor and

Line Slipping Snubber Installation

3.05 SNUBBER. The line-slipping snubber is installed as follows( Figure 3-3):

a.

b.

C.

d.

Remove bolt (1) and install snubber and correct spacer (2) for anchor model, making sure that the snubber contacts the wrap of wire line that passes through the anchor clamp (3). Check clamp inserts for wear and replace if necessary. Remove bolt (4) and install the washer- spring-chain assembly. Pull 70 to 80 pounds (32 - 36 kilograms) of tension on the chain and slip a link into the fork on the snubber handle. Ensure chain tension is sufficient to prevent the wire line from slipping.

GAP

Figure 3-4. Type E551 Load Cell Gap

9/81

I TYPE E & EB WEIGHT INDICATOR WITH HERCULES MODEL 120T ANCHOR AND COMPRESSION TYPE E551 SENSATER [,,,,,I

4.00 OPERATION Table 4-l

4.01 ELEVATING AND LOWERING THE MAST (where applicable). Before elevating or

lowering the mast, remove bolt (Figure 3-3, item 1) and snubber assembly to provide clear- ance for line as it angles around anchor drum. Replace bolt and snubber assembly when mast is in new position.

System Calibration Accuracy Type E & EB Weight Indicator Hercules Model l20T Anchor

Wire Size Calibration

Reading Error

4.02 DRILLING

a. Set damper Shut off the

b. Set the BIT

for required sensitivity. vernier pointer during trips. WEIGHT dial by rotating

the zero adjust knob on the top right side of the gage so that the zero (0) on the BIT WEIGHT dial is directly under the white vernier pointer.. This should be done when off bottom with pumps running. For weight on bit when drilling, release the brake and allow the drill string to rotate on the bottom until the vernier weight on bit pointer is at the desired value.

4.03 LINE SLIP AND CUT

a.

b.

C.

d.

e.

Control line slipping by using the drilling line snubber as a friction,brake. Be sure there is adequate spring force, or manually hold the snubber against the line, to prevent it from slipping. Loosen the nuts on the anchor clamp bolts (item 3, Figure 3-3). Pull up on the snubber handle against the spring force and allow the line to slip the desired length. Tighten nuts on anchor clamp bolts.

4.04 FACTORS AFFECTING ACCURACY

4.05 System Accuracy (Table 4-l). Basic system accuracy is *O. 5% of full scale.

This accuracy however may be affected by any of the following factors:

a. It may be necessary or convenient to mount the anchor several feet below the weight indicator gage. In this case, all weight readings will be slightly low.

lo/80

A one-foot difference between the weight indicator gage and the Sensater will cause the weight indication error shown in Table 4-2.

Table 4-2 Weight Indication Error

Lines Strung 6 8 10 12 14 210 lb 280 lb 350 lb 420 lb ---

--- 280 lb 350 lb 420 lb 490 lb

b.

4.06

Example: Using a Type E indicator, 8 lines strung, with the Sensater and. anchor 10 feet below the gage, the weight indicator gage will read 2,800 pounds low at all readings. To compensate for this low reading, the total load pointer may be reset by the mechanic during initial rig up. Greatest error may occur as a result of the tackle system friction and hole friction. The tackle system friction may be reduced as shown in paragraphs 5.01 b, cande. The hole friction may be reduced using acquired drilling knowledge and experience.

Buoyancy Factor. As the drill pipe and collars are suspended in mud, the total

hook load is affected by the buoyancy factor of the fluid. The heavier the mud the less the pipe will weigh. To correct this factor, the weight of the traveling block, hook, elevator, swivel and kelly must be totalled. To this must be added the calculated weight of the pipe and collars in air multiplied by the buoyancy factors shown in Table 4-3.

Page 7


Table 4-3. Factors for Mud Buoyancy Corrections

Lb/Gal. 8.34 9.0 10.0 11.0 12.0 13.0 Lb/Cu. Ft. 62.4 67.3 74.8 82.3 89.8 97.2 Specific Gravity 1.00 1.08 1.20 1.32 1.44 1. 56.

Factor .873 .863 .847 .832 .817 .802

5.00

5.01

14.0 1 15.0 1 16.0 1 17.0 1 18.0 1 19.0 1 20.0

104.2112.2.7 1127.2 1134.6 1 142.1 1149.6 1 1.68 1 1.80 1 1.92 1 2.04 1 2.16 1 2.28 1 2.40 1

.786 .771 .755 .741 .724 .710 .694

Example: Drillpipeandcollarsinair . . . . . . . . . . . . . . . 250,OOOlb Mud weight 11 lb/gal (Factor) . . . . . . . . . . . . . . X .832 Buoyant weight of pipe . . . . . . . . . . . . . . . . . . 208,000 lb PLUS-Block, hook, swivel, elevator and kelly. . . . 30,000 lb COMPUTED total hook load of pipe in mud . . . . . 238,000 lb

MAINTENANCE

Perform the following procedures to assure accurate readings and smooth

operation.

DAILY a. Check Sensater load cell gap and always

before taking a heavy pull. (refer to steps h and i below).‘

b. Remove ice, mud and debris from Sensater element and anchor stops.

WEEKLY C.

d.

Lubricate anchor bearings, deadline idler sheaves/rollers between anchor and crown and crown dead sheave. Check that tie-down bolts and clamp nuts are tightly secured.

PER MANUFACTURES RECOMMENDATION e. Lubricate crown line sheaves and load

block sheaves.

DURING EACH WIRELINE SLIP AND CUT PROGRAM f. Check clamp bronze insert for wear. g. Check that wire to storage reel is free

and not binding on anchor.

h.

i.

The gap (Figure 3-4) in the Sensater should be 0.75 inch (19mm) with blocks empty. If the gap is greater the system fluid load may be over- charged and the pointer will indicate a preload figure. As weight is applied to the hook the preload reading will be overcome and the pointer will read the true hook load. As soon as drilling permits, the gap should be adjusted to 0.75 inch (19mm).

Care should be taken NOT to drill or take heavy pulls with the gap less than 0.50 inch (13mm). An AIR FREE system will read correctly at a gap of 0. 50 inch (13mm), however, the load cell should be recharged to 0.75 inch (19mm) as soon as drilling permits. A system WITH AIR will read near- correct until the air compresses sufficiently to allow the load cell to bottom, at which time the pointer movement will stop.

NOTE Any time there is an indication of air in the system, or a loss of fluid, recharge and/or repair the system immediately.

Page 8 9/81


5.01 cont.

j. To reverse the dials, unscrew the four large knurled screws in the back of the gage ring and detach the ring and glass. To remove the TOTAL LOAD dial, loosen two screws at split line and remove the other two screws. To remove the BIT WEIGHT dial, remove two of the hexagon extensions on the bottom posts. When replacing the dials, it is necessary to engage the gear for the BIT WEIGHT dial, being sure that the pointers do not touch the dial, each other, or the glass.

6.00 TRGUBLESHOOTING

6.01 FACTORS AFFECTING SENSITIVITY. In order to isolate the problem, shake

hose or work anchor with pinch bar between stops.

6.02 Refer to Table 6-l for tabulation of mal- functions, probable causes and corrective

action to be taken.

Table 6-l. Malfunction Isolation

MALFUNCTION PROBABLE CAUSE CORRECTIVE ACTION Sage pointer movement Damper(s) setting incorrect Adjust damper(s) erratic or sluggish Gage pointers touching each Remove case ring and glass, straighten

other, the dial or glass pointers. Reassemble glass and case ring

Dirty movement Remove case ring, glass and dials. Clean movement with kerosene or equivalent. Reassemble dials, glass and case ring

Air in hydraulic system Purge system of air by pumping W15 fluid through Sensater checkvalve. Bleed air and excess fluid at pipe plug(s) on damper(s)

Gage indication inaccurate

Deadline rubbing on derrick Align path of line to clear (Para. 3.01) or binding on anchor flange Deadline sheave does not Lubricate sheave move freely Anchor drum does not move Clean drum and lubricate drum bearing freely Kelly is bent Straighten kelly or replace Rotary table or kelly Check table and adapter bushings, bushing misaligned replace if worn Hydraulic system over Bleed excess fluid at damper(s) pipe charged plug(s) Hydraulic system under Pump W15 fluid through Sensater check- charged valve. Bleed air and excess fluid at

damper(s) pipe plug(s)

9/81 Page 9

TYPE E & ED WEIGHT INDICATOR WITH HERCULES MODEL 120T ANCHOR AND COMPRESSION TYPE E551 SENSATER

7.00 REPAIRS

7.01 SYSTEM REPAIR

7.02 System repair is limited to charging or bleeding the hydraulic system, re-

moving and replacing the indicator, load cell and/or hydraulic hose or replacing the O-Ring (Part No. 100796-113AO) in the 5900 or J901 series Hydraulic hose disconnects.

7.03 CHARGING THE SYSTEM

‘7.04 Hydraulic Fluid Addition. The system must be kept full of hydraulic fluid at all

times to accurately indicate load. If the gap (Figure 3-4) is less than 0.75 inch (19mm) in the fully charged position with empty blocks, the system should be checked for leaks, repaired, and reloaded through checkvalve with YA2 hand pump (Figure 7-l) as follows:

a.

b.

C.

d.

Be sure that system block weight is not supported by derrick lines. Ensure that hose is free of kinks and sharp bends. Remove cap from F350-1 checkvalve. Attach YA2 hand pump with swivel to check valve,

NOTE

Swivel nut must be loose to allow for air purging.

e. Fill hand pump reservoir with W15/ W16 (Red) hydraulic fluid.

NOTE

To prevent air from entering system ensure that fluid in reservoir does not drop below l/2 full. f. Slowly operate hand pump until air is

purged at loose swivel nut, then tighten nut.

swlva NUT’ CJ-ECK VALVE /

Figure 7-l. YA2 Hand Pump Assembly

g.

h.

1.

j.

k.

1.

Box-mounted system only: Loosen pipe plug (accessible in front of box) located behind damper block. Console-mounted system only: Loosen pipe plugs (accessible in back of console) located on both dampers. Pump fluid into system and bleed at pipe plug (s) until air bubbles cease to appear. Tighten pipe plug(s). Pump enough fluid into system to slightly overcharge. Loosen pipe plug(s) and bleed until 0.75 inch (19mm) gap is reached.

m. Tighten pipe plug(s). n. Disengage hand pump from the check-

valve. o. Replace and tighten checkvalve cap.

7.05 COMPONENT REPAIR

7.06 HYDRAULIC HOSE DISCONNECT. The J10900A series hydraulic hose quick

disconnect half couplings (Part Nos. J lOgOOA-02 and JlOgOOA-20) have replaced the 5900 and J901 series disconnects. The J10900A series disconnects donot contain an O-Ring; however the 5900 and J901 series disconnects contain an O-Ring which if damaged must be replaced as follows to preserve the integrity of the system.

a.

b.

C.

d.

Be sure that system block weight is not supported by derrick lines. Remove damaged O-Ring from the female-half of the disconnect. Clean O-Ring groove. Lubricate (using silicon, or equivalent) and install new O-Ring. (Part No. 100796-113AO).

Be careful not to damage O-Ring during mating. A damaged O-Ring could result in hydraulic fluid leak- ing during operation.

e. Carefully align male and female coupling halves and push firmly together. Thread nut onto male half of coupling and tighten.

Page 10 9/81

Documents

E551 Dead Line Anchor