Big Calculator

Calculator 03.25.03 Ver. 2.1

Calculator Is For Reference Only!

Always Check Calculations Manually!

All Input Welcome, Improvement, Repairs, Additional Calculations

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Area

Circle

Constants

Conversions

Gradient

Measurement

Specific Gravity

Directional Well Calculations

Fluid

Gravel Pack

Annular Area Single String

Annular Area Multiple Strings

Area Of A Circle

Area Between Two Circles

Cross-Sectional Area ( Seal Assy. Inserted )

Circumference Of A Circle

Diameter Of A Circle

Radius Of A Circle

Thermal Coefficients

Fresh Water Facts

Barrel To Cu./ Ft.

Cubic Foot To Barrel

Cubic Foot To Cubic Inches

Specific Gravity To Gradient

API Gravity To Gradient

Density lb./ ft.3 To Gradient

Decimal To Fraction

Fraction To Decimal

Inche To Foot Converion

Fluid Weight lb./ gal. To Specific Gravity

API Gravity To Specific Gravity

Density lb./ ft.3 To Specific Gravity

To Find TVD From MD

To Find MD From TVD

To Find Deviation Factor

To Find True Vertical Length Of Slant

To Find Slant Factor

Directional Acronyms

Fluid Weight To Gradient

Fluid Velocity

Fluid Weigh Up

Fluid Cut Back

KCL

CaCl2 Weigh Up ( Using 94-97% CaCl2 )

CaBr2 & ZnBr2 Weigh Up ( Using 94-97% CaCl2 )

CaBr2 & ZnBr2 Weigh Up ( Using 95% CaBr2 )

Leaks

Packer

Piston Effects

Yield & Fluid Wt. Of Slurry After Adding Sand

Wash Pipe / Screen Ratio ( Optimum Is 80% )

Minimum Clearance For Gravel Pack Completions

Drift Plate Tolerance

Locating

Velocity Of Fluid Across Packer Elements

Piston Force Exerted

Piston Pressure Created

Pressure

Pumps

SCSSV

Shear Pins

Slickline

Temperature

Tubing

Hydrostatic Pressure

Fluid Weight Required For BHP @ Depth

Maximum Allowable Pump Pressure

Triplex Pump Output Barrels Per Stroke

Maximum Leakage Rate of SCSSV and Plugs

Maximum Fail-Closed Setting Depth

Specific Gravity To Gradient

Recommended Control Line Hold Open Pressure

Control Line Fluid Volume

To Calculate Pin Shear Force

Pressure Required To Shear Pins

Area Of A Slickline

Tool String Balance Weight Neglecting Friction

Stem Weight

Stem Length Needed Neglecting Friction

Minimum Bending Diameter Of Wire

Wire Weight

Wire Weight Balance Depth

Wire Strength ( approximate / standard plow steel )

Spool Capacity

Tubing Fill-Up Rule Of Thumb

Hydrostatic Rule Of Thumb

Rule Of Thumb For WireLine Fall-Back

Area Of Pipe

Average Pipe Temperature

Change In pipe length ( inches ) due to temperature change

Change In Average Tubing Temperature, Injecting / Acidizing Condition

Change In Average Tubing Temperature, Flowing Condition

Converting Temperature Change To Length Change

I.D. Calculated

Joint Yield Strength Of EUE Tubing

Cross-Sectional Area Of Pipe

Tubing Weight In Air

Tubing Weight With Upsets & Coupling

Tubing Weight In Fluid

Buoyancy Factor

Buoyancy Factor Bull Plugged In Fluid ( lb./ ft. )

Tubing Capacity

Tubing Fill-Up Factors

Tubing Fill-Up

Volume

Tubing Displacement

Pipe Stretch

Slack-Off Data

Slack-Off Factor

Determining Pipe Pull

Free Pipe Depth

Rectangular Volume / Capacity

Cylindrical Volume / Capacity

Spherical Volume / Capacity

Pipe / Hose Volume

Enter Necessary Information In Highlighted AreasFOR REFERENCE ONLY

Annular Area Single String

Casing ID 8.291Tubing OD 2.875 47.497

Annular Area Multiple Strings

Casing ID 8.291Tubing OD #1 2.375

Tubing OD #2 2.375Tubing OD #3 45.129Tubing OD #4

( ID2 x .7854 ) - ( OD2 x .7854 ) = Annular Area

Area In2

( ID2 x .7854 ) - (( OD2 +OD2 + OD2 + OD2 ) x .7854 ) = Annular Area

Area In2



Area Of A Circle

Radius 6.000 Area 113.098

Diameter 3.000 Area 7.069

Area Between Two Circles

Outer Circle ID 5.000 AreaInner Circle OD 4.000 7.069

Cross-Sectional Area ( Seal Assy. Inserted )

Receptacle ID 3.000 AreaSeal Assy. ID 2.330 2.805

3.1416 x Radius2 = Area

Diameter2 x .7854 = Area

( ID2 x .7854 ) - ( OD2 x .7854 ) = Area Between Circles

((ID2 - ID2 ) x .7854 = Area



Fresh Water Facts SPECIFIC GRAVITYDensity = 62.4 lb./ cu.ft. Fluid Weight lb./ gal. To Specific Gravity

Weight = 8.33 lb./ gal. Fluid Wt. / 8.33 = S.G.

Fluid Gradient = 0.433 Fluid Wt.lb./ gal. 10 S.G.Specific Gravity = 1.000 API Gravity To Specific Gravity

API Gravity = 10.000 141.5 / ( 131.5 + API Gravity ) = S.G.

API Gravity 40 S.G.Fluid Gradient Of 1 lb./ gal. Fluid = 0.051948

Pi = 3.1416 70 S.G.1 Barrel = 42 gallon1 Barrel = 5.6146 cu./ ft. GRADIENT1 Barrel = 9702 sq./ in.. Specific Gravity To Gradient

1 Cubic Foot = 1728 cu./ in. S.G. x .433 = Gradient

1 Cubic Foot = 0.1781 barrels Specific Gravity 1.2 Gradient1 Cubic Foot = 7.4805 gallon API Gravity To Gradient

1 Cubic Foot = .1781 barrel 61.28 / ( 131.5 + API Gravity ) = Gradient

1 Gallon = .00238 barrel API Gravity 40 Gradient1 Gallon = .1337 cu./ ft.1 Gallon = 231 cu./ in.

70 GradientThermal Coefficients

Steel = 0.0000069 CIRCLE13Cr. = 0.0000057 Circumference Of A Circle

Inc. 825 & 925 = 0.0000078Hastalloy C-276 = 0.0000067 Diameter Circumference

2 6.2832Diameter Of A Circle

Circumference 6.2832 DiameterBarrel To Cu./ Ft. Radius Of A Circle

Barrels x 5.6146 = Cu./ Ft. Diameter / 2 = Radius

Barrels 2 Cubic Ft. 11.229 Diameter 2 Radius

Cubic Foot To BarrelCubic Ft x .1781 = Barrel

Cubic Foot 1 Barrel 0.1781

Cubic Foot To Cubic InchesCubic Ft x 1728 = Cubic Inches

Cubic Foot 1 Cubic In. 1728.000

Density lb./ ft.3 To Specific Gravity

Desity lb./ ft.3 / 62.4 = Specific Gravity

Desity lb./ ft.3


Desity lb./ ft.3 / 144 = Gradient

Desity lb./ ft.3

Pi 3.1416 x Diameter = Circumference

Coefficiet of thermal expansion ( or Contraction ) for steel per unit of length per Degree F = .0000069 Circumference / Pi 3.1416 = Diameter


SPECIFIC GRAVITY Decimal To FractionFluid Weight lb./ gal. To Specific Gravity Decimal Number * Desired Fraction Increment

Fluid Wt. / 8.33 = S.G. Decimal Number Fraction1.200 0.188 12.03 /64

API Gravity To Specific Gravity 6.02 /32141.5 / ( 131.5 + API Gravity ) = S.G. 3.01 /16

0.825 1.50 /80.75 /4

Fraction To Decimal

1.122 Numerator ( top number ) / Denomanator ( bottom number ) `Fraction Decimal

GRADIENT 28 /64 0.438Specific Gravity To Gradient 28 /32 0.875

S.G. x .433 = Gradient 13 /16 0.8130.520 7 /8 0.875

API Gravity To Gradient

61.28 / ( 131.5 + API Gravity ) = Gradient Inche To Foot Converion0.357 Inches

75.00Engineers Tape

0.486 Feet6.250

CIRCLE Carpenters TapeCircumference Of A Circle Feet Inches Fraction

6 3 0.00 /64Circumference 0.00 /32

6.2832 0.00 /16Diameter Of A Circle 0.00 /8

0.00 /42.000

Radius Of A Circle

Diameter / 2 = Radius

1.000

To Specific Gravity

/ 62.4 = Specific Gravity


/ 144 = Gradient

3.1416 x Diameter = Circumference

Pi 3.1416 = Diameter


Directional Well CalculationsTo Find TVD From MD

(( MD - Kickoff Depth) x Deviation Factor)+Kickoff Depth = TVD

MD 10000 TVDKickoff Depth 5000 7500.00

Deviation Factor 0.5To Find MD From TVD

(( TVD - Kickoff Depth )/ Deviation Factor ) + Kickoff Depth = MD

TVD 7500 MDKickoff Depth 5000 10000.00

Deviation Factor 0.5To Find Deviation Factor

( TVD - Kickoff Depth ) / ( MD - Kickoff Depth )

TVD 7500 Deviation FactorMD 10000 0.500

Kickoff Depth 5000To Find True Vertical Length Of Slant

Slant Factor 1.5 LengthLength Of Pipe 7500 11250

To Find Slant Factor

True Height Of Slant / Length Of Slant = Slant Factor

True Height Of Slant Length Of Slant Slant Factor7500 5000 1.5000

Measurements OF Directional HolesVSS - Vertical depth measured from sea levelVSF - Vertical depth from T.H.F.MSF - Drilled depth from T.H.F.MKB - Measure Depth from Kelly BushingVKB - Vertical depth from Kelly Bushing



Fluid Weight To Gradient Fluid Weigh UpFluid Wt. x .05195 = Gradient

Fluid Wt.lb./ gal. Gradient10.000 0.5196 Volume To Weigh Up ( bbl )

Original Mud Weight ( lb / gal )

Gradient Desired Mud Weight ( lb / gal )1.500 0.0104 Weigh Up Mud Weight ( lb / gal )

Volume Of Weigh Up Mud NeededFluid Velocity Total Volume After Weigh Up

Proposed Pumping Rate ( BPM ) 10.00 Fluid Cut BackOuter ID / In. 8.921Inner OD / In. 2.875

Fluid Velocity ( FPS ) 2.406 Volume To Cut Back ( bbl )Fluid Velocity ( FPM ) 144.340 Original Mud Weight ( lb / gal )

Desired Mud Weight ( lb / gal )Cut Back Mud Weight ( lb / gal )

Volume Of Cut Back Mud NeededTotal Volume After Weigh Up

( Desired Wt. - Original Wt. ) / ( Weigh Up Wt. - Desired Wt. ) x Volume To Weigh Up

Fluid Wt.lb./ ft.3 / 144 = Gradient

Fluid Wt.lb./ ft.3

( Original Wt. - Desired Wt. ) / ( Desired Wt. - Cut Back Wt. ) x Volume To Cut Back


Fluid Weigh Up KCL3.5 x Fluid Volume x Percent Desired / Sack Size

Percent Desired 5.00300.00 Fluid Weight ( lb / gal ) 8.3012.00 Sack Size ( lb ) 50.00

12.10 Fluid Volume ( bbl ) 60.0014.20 Sacks Required 21.00

Volume Of Weigh Up Mud Needed 14.29 Final Weight 8.52Total Volume After Weigh Up 314.29

Fluid Cut Back CaCl2 Weigh Up ( Using 94-97% CaCl2 )( Desired Wt. - Original Wt. ) x ( 7 ) x ( Volume ) / 80 x 10

Original Fluid Wt. ( lb / gal ) 9.9012.00 Desired Weight ( lb / gal ) 10.5011.60 Fluid Volume ( bbl ) 100.0010.30 Sacks Required 52.508.33 Final Fluid Volume 105.00

Volume Of Cut Back Mud Needed 7.92Total Volume After Weigh Up 19.92 CaBr2 & ZnBr2 Weigh Up ( Using 94-97% CaCl2 )

( Desired Wt. - Original Wt. ) x ( 13 ) x ( Volume ) / 80 x 10

Original Fluid Wt. ( lb / gal ) 12.10Desired Weight ( lb / gal ) 12.30

Fluid Volume ( bbl ) 500.00Sacks Required 162.50

Final Fluid Volume 515.48

CaBr2 & ZnBr2 Weigh Up ( Using 95% CaBr2 ) ( Desired Wt.-Original Wt. ) x ( 11.5 ) x ( Volume ) / 55 x ( 10 )

Original Fluid Wt. ( lb / gal ) 14.00Desired Weight ( lb / gal ) 14.20

Fluid Volume ( bbl ) 250.00Sacks Required 104.55

Final Fluid Volume 255.23

( Desired Wt. - Original Wt. ) / ( Weigh Up Wt. - Desired Wt. ) x Volume To Weigh Up

( Original Wt. - Desired Wt. ) / ( Desired Wt. - Cut Back Wt. ) x Volume To Cut Back


1 Cubic Foot Sand = 100# Sand Slurry Convertion1 Pound Sand = .0456 Gallon Yield Of Slurry After Adding Sand

1 + ( .0456 x Concentration Of Sand Pound Per Gallon Slurry )

Concentration Of Sand - Pound Per Gallon SlurryCarrier Fluid Weight Lb./ Gal.

Yield Of Slurry Per Gallon Carrier FluidFluid Weight Of Slurry Lb./ Gal.

Fluid Weight Of Slurry Lb./ Gal.

Wash Pipe / Screen Ratio ( Optimum Is 80% )Wash Pipe OD / Screen ID = Ratio

Wash Pipe OD 2.875Ratio

Screen ID x 80% = Optimum Wash Pipe OD

Optimum Wash Pipe OD

Minimum Clearance For Gravel Pack CompletionsProposed Pumping Rate ( BPM )

Casing IDCompletion OD

Sand Size

Gravel Pack Sand Grain Size

Note: Fluid Velocity Must Be Less Than 60 FPS To Avoid Tool Erosion.

Fluid Velocity ( FPS )

Minimum Allowable ClearanceMinimum Allowable Radial Clearance

Current Completion Clearance

ClearanceRadial Clearance

(Carrier Fluid Weight Lb. Gal. + Concentration Of Sand Pound Per Gallon Slurry ) / Yield Of Slurry Per Gallon Carrier Fluid

Minimum Clearance Represents The Minimum Needed To Safely Pump The Job.


Sand Slurry Convertion Drift Plate ToleranceYield Of Slurry After Adding Sand Assembly Minimum ID 1.875 ###

1 + ( .0456 x Concentration Of Sand Pound Per Gallon Slurry ) Order Drift Plate 1.870 To 1.860Concentration Of Sand - Pound Per Gallon Slurry 15 ###

Carrier Fluid Weight Lb./ Gal. 10 ###Yield Of Slurry Per Gallon Carrier Fluid 1.684 ###

Fluid Weight Of Slurry Lb./ Gal. #########

Fluid Weight Of Slurry Lb./ Gal. 14.85 ######

Wash Pipe / Screen Ratio ( Optimum Is 80% ) ###Wash Pipe OD / Screen ID = Ratio ###

Screen ID 3.5 ###82% ###

Screen ID x 80% = Optimum Wash Pipe OD

2.800

Minimum Clearance For Gravel Pack Completions10.008.9218.7501.00

0.094

Note: Fluid Velocity Must Be Less Than 60 FPS To Avoid Tool Erosion.

56.778

1.316Minimum Allowable Radial Clearance 0.085

Current Completion Clearance

0.171Radial Clearance 0.085

(Carrier Fluid Weight Lb. Gal. + Concentration Of Sand Pound Per Gallon Slurry ) / Yield Of Slurry Per Gallon Carrier Fluid

Minimum Clearance Represents The Minimum Needed To Safely Pump The Job.


To Locate Leak ( Different Wt. Fluids Tbg. / Csg. )

Psi Differential 500 Leak DepthFluid Wt. # 1(Heaviest) 10 13,749Fluid Wt. # 2(Lightest) 9.3



Velocity Of Fluid Across Packer ElementsCasing ID In. 8.681

Packer OD In. 8.47

Length Of Packer Element In. 12

Pumping / Circulation Rate Bpm 2

Fluid Weight Ppg 9.3

Conversion Data1 Barrel = 5.61458 Cu. / Ft.1 Gallon = 0.133681 Cu. / Ft.

Casing Capacity Bbl. / Ft. 0.0732

Fluid Velocity Going By Elements Fps 9.48

Equivalent Pipe Speed Min. / Std. 3.60

Pressure Dropped Created Psi 56

Lbs. 37,788

Force On Packer Elements Trying To Push Them Out


m/s


Piston Force ExertedPiston Area x Pressure = Force

Piston Area Pressure Force3.1416 10 31.416

Piston O.D. Pressure Force2 10 31.42

Piston Pressure Created

Force Piston O.D. Pressure31.42 2 10.00

(OD2 Piston x .7854) x Pressure =Force

Force / (OD2 Piston x .7854) =Pressure



Hydrostatic PressureFluid Gradient x TVD = Hydrostatic Psi

Fluid Gradient TVD Hyd. Psi0.433 10,000 4330.00

Fluid Wt. x .05195 x TVD = Hydrostatic Psi

Fluid Wt.lb./ gal. TVD Hyd. Psi8.550 10725 4763.75

TVD Hyd. Psi100.000 5000 3472.00

Fluid Weight Required For BHP @ DepthBHP / ( .05195 x TVD )

BHP 5000 Fluid Wt. lb./ gal.TVD 10000 9.62

Maximum Allowable Pump Pressure

Fluid Wt.lb./ gal. 8.555 Hyd. PsiDepth 11718 5207.86

Pipe OD 2.875 Area 9436.80Pipe ID 2.441 1.812 Tbg Wt. Air

Pipe Air Wt.lb./ ft. 6.5 O.D. Area 76167Tbg. Wt. In Fluid 66730.20 6.492Max. Pump Psi 10279.12

Tbg. Wt.lb./ ft. Air 6.5 Tbg. Wt. In FluidBuoyancy Factor 0.8727 28362.75

Tbg. Length 5000 Tbg. OD AreaPipe OD 2.875 6.492

Max. Pump Psi 4369.00

Fluid Wt.lb./ ft.3 x 0.00694 x TVD = Hydrostatic Psi

Fluid Wt.lb./ ft.3

Buoyant Force



Triplex Pump Output Barrels Per Stroke( ID x ID X Stoke Length x .000243 ) x Pump Efficiency / 100

Piston OD ( in ) 3.375Stroke Length ( in ) 8.00

Pump Effeciency ( % ) 80.00Barrel Per Stroke Output 0.0177



Maximum Leakage Rate of SCSSV and Plugs Recommended Control Line Hold Open PressureSHUT IN

Valve Opening Psi + SITP + 750 Psi

GAS Opening Pressure Off Certification Sheet(( 4x Psi Increase) x ((( Tubing ID2 ) x 0.005454 ) xDepth )) / Test Length Shut In Tubing Pressure

Tubing ID 2.441 Recommended Hold Open Pressure

Depth 500Pressure Increase 50

Length Of Test In Minute 15 FLOWING

SCF Per Hour 216.65 Valve Opening Psi + Flowing Tubing Psi + 750 Psi

SCF Per Minute 3.61 Opening Pressure Off Certification SheetLiquid Flowing Tubing Pressure

Liquid Recovered CC Per Min. Leakage Recommended Open PressureCC 1,000.00 66.67

Once 50 98.58 Control Line Fluid VolumeLength Of Test In Minutes 15 OD 0.250

Wall Thickness 0.049Maximum Fail-Closed Setting Depth Length Ft. 500

Valve Closing Psi / ( Fluid Gradient x Safety Factor ) ID 0.152Closing Pressure Off Certification Sheet 875 Total Volume Gallons

Fluid Gradient 0.35 Quarts 1.885Safety Factor 1.25 Pints 3.771

Maximum Fail-Closed Depth 2000

Specific Gravity To GradientS.G. x .433 = Gradient

Specific Gravity 0.87 Gradient 0.377 EnerPac P-391 Hand PumpOil Volume Per Stroke Cu./ In.

Strokes Per GallonStrokes Per QuartStrokes Per PintStrokes Per Cup

Strokes Per Ounce

MMS Maximum Allowable Leakage Rate is 5 SCF per minute gas and 200 cc per minute liquid

Note: SCSSV Hold Open Pressure Should Be Adjusted After Well Is Flowing And Stable

EnerPac P-391 Hand Pump Strokes Required To Displace Control Line


Recommended Control Line Hold Open PressureSHUT IN

Valve Opening Psi + SITP + 750 Psi

Opening Pressure Off Certification Sheet 1100Shut In Tubing Pressure 5000

6850

FLOWING

Valve Opening Psi + Flowing Tubing Psi + 750 Psi

Opening Pressure Off Certification Sheet 100 Flowing Tubing Pressure 2500

3350

Control Line Fluid VolumeArea - Sq./ In.

0.018Gallon Per Foot

0.0010.471

Cups 7.541Ounces 60.329

721

EnerPac P-391 Hand Pump0.15115303821919612

Note: SCSSV Hold Open Pressure Should Be Adjusted After Well Is Flowing And Stable

EnerPac P-391 Hand Pump Strokes Required To Displace Control Line


To Calculate Pin Shear Force

Pin OD 0.25 Shear ForceUltimate Shear Strength 50,000 4,909

Number Of Pins 2To Calculate Pin Ultimate Shear Strength

Pin OD 0.25 UltimateShear Strength

Shear Force 5,000 101,859

Pressure Required To Shear PinsCross-Sectional Area ( Seal Assy. Inserted )

Receptacle ID 3.880 Piston AreaSeal Assy. ID 0.000 11.824

Pin Shear Value 6,100 Pressure To ShearQuantity Of Pins 12 6,191

Steel Pin Test Pressure =Pressure To Shear x 70%

Steel Pin Test Pressure 4,334Brass Pin Test Pressure =Pressure To Shear x 50%

Brass Pin Test Pressure 3,095

( OD2 x .7854 ) x Ultimate Shear Strength

Shear Force / ( OD2 x .7854 )

((ID2 - ID2 ) x .7854 = Area



Area Of A Slickline Wire Weight

Wire Size 0.092 Area 0.0066 Wire Size 0.092 Lb./ Ft. 0.02257

Tool String Balance Weight Neglecting Friction Length 13800 Total Weight311.48

Wire Size 0.092 Tool String WeightPressure 1500 9.97

Wire Weight Balance DepthStem Weight .2945 x Pressure = Depth

Pressure 1500 DepthOD 1.5 Lb./ Ft. 6.00 441.75

OD 1.25 Lb./ Ft. 4.17 Wire Strength ( approximate / standard plow steel )( OD2 x .7854 ) x 280000 = Approximate Maximum Breaking Strength

Stem Length Needed Neglecting Friction Wire Size 0.092Stem Weight Needed / Stem Weight lb./ ft. Approximate Max. Strength 1861

Weight Needed 10 Length Needed Ft. (( OD2 x .7854 ) x 280000)*.85 = Approximate Minimum Breaking Strength

Stem Weight lb./ ft. 6 1.667 Wire Size 0.092Approximate Min. Strength 1582

Minimum Bending Diameter Of Wire

NOTE: Larger sheaves, wheels or pulleys could extend cable / wire life.

Spool CapacityReference Only ( Assumes Wire Is Perfectly Spooled

Stranded, Braided or Conductor Cables

Diameter of Cable X 64 = Minimum Bending Diameter In Inches

Cable Diameter Minimum Diameter In. Enter All Information In Inches1 /2 32 Drum Width Between Flanges 313 /4 48 Flange OD 296 /8 48 Drum OD 143 /16 12 Wire OD ( Decimal ) 0.256 /32 12 Spool Capacity Ft. 19,995

12 /64 12 Slickline Wire ( Piano, Solid )

Diameter of Wire X 120 = Minimum Bending Diameter In Inches

Wire Size Minimum Diameter In.0.092 11.04

OD2 x .7854 = Area ( OD2 x 8 ) / 3 = Lbs./ Ft.

(( OD2 x 8 ) / 3) x Length = Total Weight.

( OD2 x .7854 ) x Pressure = Tool Sting Weight ( balanced )

( OD2 x 8 ) / 3 = Lbs./ Ft.

OD x OD x 2.667 = Lbs./ Ft.

(Drum Width x ( Flange OD - Drum OD ) / 2 ) x ( Drum OD + ( Flange OD - Drum OD ) / 2 ) / (( 4 x ( Wire OD )))


Tubing Fill-Up Rule Of ThumbID2 = Barrels Per 1000'

Tbg. ID 2.441 Bbl./ 1000' 6.0###

Hydrostatic Rule Of Thumb

Depth 13800 Hydrostatic PressureFluid Wt. Lb./ Gal. 8.6 6171.36

###Rule Of Thumb For WireLine Fall-Back

Top Of Rope Socket Left In Hole 13,800 ###Length Of Wire Left In Hole Ft. 13,400 ###

Wire & Tubing Size7 ### ###

Wire Fall Back Ft. Per 1,000' 12 ###Wire Fall Back Total Footage 160.8 ###

Top Of Wire ( Approximate ) 561

###Area Of Pipe

Pipe ID 2.441 Area 4.680############

.052 x Lb./ Gal. x Depth

ID2 x .7854 = Area


TemperatureAverage Pipe Temperature

( Surface Temp. + BHT ) / 2

Suface Temp. 50 Average Temp.BHT 100 75

Change In pipe length ( inches ) due to temperature change

( Pipe length feet x .0000828 ) x Change in pipe temp.

Pipe length 10000 Change in length (inches)

Change in pipe temp. 50 41.40Change In Average Tubing Temperature

Flowing Condition

((shutin well head temp + static BHT) / 2) - ((flowing WHT+BHT) / 2)

Shutin well head temp 100Static BHT 200 Change

Flowing well head temp 150 -50BHT 250

Injecting / Acidizing Condition

((SI WHT + SI BHT) / 2) - ((Surf. Fluid temp. + BHT during inj.) / 2)

Shutin well head temp 100Shutin BHT 250 Change

Surface fluid temp. 75 62.5BHT during treatment 150

Converting Temperature Change To Length Change(Change in Tubing Temperature x Length) x .0000069

Temp. Change 100 Length Change InchesTbg. Length 10000 6.90



To Determine Joint Yield Strength Of EUE Tubing Tubing CapacityTubing Length x Capacity Factor = Capacity Bbl.

Pipe OD 2.375 Yield Tbg. Length Cap. Factor Capacity bbl.Pipe ID 2.441 105.692 5000 0.00579 28.95Grade 110

Tbg. ID 2.441 Bbl./ Ft. 0.00579Cross-Sectional Area Of Pipe

Tbg. ID 2.441 Ft./ Bbl. 172.762Pipe OD 2.375 Area

Pipe ID 1.995 1.304 Tbg. ID 2.441 0.03250

Tubing Weight Tbg. ID 2.441 30.771In Air ( lb./ ft. )

Tubing Length x Tubing Wt./ Ft. = Total Air Weight Tbg. ID 2.441 Ft./ Gal. 4.1135Tbg. Length Pipe Wt./ Ft. Total Wt. Tubing Fill-Up Factors

1000 4.7 4,700.00In Air ( Does not allow for upsets or couplings ) Tubing I.D. Fill-Up Factor Gal./ Ft.

( OD2 - ID2 ) x 2.67 x Length feet 2.441 0.24310Pipe OD 2.375 Pipe Weight

Pipe ID 1.995 4.43 Tubing I.D.Length 1 2.441 0.03250

In Fluid ( lb./ ft. ) Tubing Fill-UpTbg. Air Wt. lb./ ft. x (1- (.01528 x Fluid Wt. lb./ ft.)) Fill-Up Factor x Barrels = Fill-Up Footage

Tbg. Wt.lb./ ft. Air Fluid Wt.lb./ gal. Tbg. Wt. In Fluid Fill-Up Factor Barrel Fill-Up Ft.6.5 10 5.5068 172.765 10 1,727.65

Buoyancy Factor x Tubing Air Weight = Fluid Weight

Buoyancy Factor Tbg. Air Wt. Tbg. Wt. In Fluid Tubing Displacement0.8471 4.7 3.98137 Tubing weight lb./ ft. x .0003638 = Displacement bbl./ ft.

Tubing Wt. lb./ ft. 6.5Buoyancy Factor Displacement bbl./ ft. 0.00236

( 65.42 - Fluid Wt.) / 65.42

Fluid Wt.lb./ gal. 8.33 Factor 0.8727 Tubing Air Wt. x Buoyancy Factor x Length = Tbg. Fluid Wt.

Tbg. Wt.lb./ ft. Air 6.5 Tbg. Wt. In FluidBuoyancy Factor 0.8471 5506.15

Tbg. Length 1000

Fluid Wt.lb./ gal. 10 Hyd. PsiLength 500 259.75

Pipe OD 2.875 Area 470.68Pipe ID 2.441 1.812 Tbg Wt. Air

Pipe Air Wt.lb./ ft. 6.5 3250Tbg. Wt. In Fluid 2779.32

Bull Plugged In Fluid ( lb./ ft. )

Fluid Wt.lb./ gal. 10 Hyd. PsiDepth 500 259.75

Pipe OD 2.441 Area 1215.58

((OD2 tbg - ID2 tbg) x .7854) x Grade = Yield

.0009714 x ID2 = Bbl./ Ft.

1029.4 / ID2 = Ft./ Bbl.

((OD2 tbg - ID2 tbg) x .7854 = Area

.005454 x ID2 = Ft.3/ Ft.

Ft.3/ Ft.183.35 / ID2 = Ft./ Ft.2

Ft./ Ft.3

24.51 / ID2 = Ft./ Gal.

( 3.141592654 x ID2 ) / 77 = Fill-Up Factor Gal./ Ft.

( 3.141592654 x ID2 ) / 576 = Fill-Up Factor Ft.3./ Ft.

Fill-Up Factor Ft.3/ Ft.

Buoyant Force

Buoyant Force

Pipe Air Wt.lb./ ft. 6.5 4.680 Tbg Wt. AirTbg. Wt. In Fluid 2034.42 3250


Pipe Stretch

Pull Depth Pipe OD Pipe ID10000 5000 2.875 2.441

Stretch In Inches 11.04

Slack-Off Data( Desired Wt. Dwn. / 1000 ) x ( Packer Depth / 1000 ) x Factor

Desired Wt. Down Packer Depth Factor

10000 10000 0.26Slack-Off In. Required

Factors For Standard Weight Pipe 261.900" 0.68

2 3/8" 4.7 # 0.392 7/8" 6.5# 0.263 1/2" 9.3# 0.17

Factors For Standard Weight Drill Pipe2 7/8" 10.4# 0.163 1/2" 13.3# 0.12

4 1/2" 16.6# 0.11To Calculate Slack-Off Factor

Pipe OD Pipe ID Slack-Off Factor2.875 2.441 0.26

Determining Pipe Pull(( 1000 x 1000) x Stretch Inches) / ( Stretch Factor x Length )

Inches Of Stretch 12 Pipe PullPipe Length 10000 777

Stretch Factor 1.544

Free Pipe Depth( Stretch Inches x 1000 x 1000) / ( Pull x Factor )

Inches Of Stretch 24 Depth Of Free PipePull 10000 7742

Stretch Factor 0.31

Pull x Depth x 12 / ((( OD2 - ID2 ) x 0.7854 ) x 30000000 ) = Inches


Rectangular Volume / Capacity Spherical Volume / Capacity

Length Ft. 20 Diameter Ft. 20

Width Ft. 10Height Ft. 5 1,000.00

Volume BarrelsVolume Barrels 178.10 Total Barrels x 42 = Gallons

Total Barrels x 42 = Gallons Volume GallonsVolume Gallons 7,480.20

Barrels Total / ( Height feet x 12 ) Pipe / Hose VolumeBarrel Per Inche 2.96833333333333 ID x ID / 1029.4

Barrels Total / Height feet Pipe Or Hose IDBarrel Per Foot 35.62 Pipe Or Hose Length

Barrel Per FootCylindrical Volume / Capacity Pipe Or Hose Total Volume

Diameter Ft. 16Height Ft. 20 4021.248

Volume Barrels 716.18Total Barrels x 42 = Gallons

Volume Gallons 30,079.74Barrels Total / ( Height feet x 12 )

Barrel Per Inche 2.984Barrels Total / Height feet

Barrel Per Foot 35.809

( In Feet ) Length x Width x Height = Volume Ft3 Diameter3 x .5236 = Volume

Volume Ft.3

Volume Ft3 x .1781 Bbl./ Ft.

Volume Ft3 x .1781 Bbl./ Ft.3 = BBl.

( Diameter2 x.7854 ) x Height = Volume

Volume Ft.3



Spherical Volume / Capacity

4188.8

746.03Total Barrels x 42 = Gallons

31,333.06

Pipe / Hose VolumeID x ID / 1029.4

2.32315300

Barrel Per Foot 0.0052Pipe Or Hose Total Volume 80.21

Diameter3 x .5236 = Volume

Volume Ft.3



Stem Weight Tubing Weight With Upsets & Coupling( OD2 - ID2 ) x .7854 x 0.29665 x 12

OD 2.125 Lb./ Ft. 12.04 Pipe OD 2.875Pipe ID 2.441

OD 2.125 Lb./ Ft. 12.04

Calculated I.D.

Pipe OD 2.875Weight 6.5

I.D. 2.415Drift 2.290

( OD2 x 8 ) / 3 = Lbs./ Ft.

OD x OD x 2.667 = Lbs./ Ft.


Tubing Weight With Upsets & Coupling Area Between Two Circles( OD2 - ID2 ) x .7854 x 0.29665 x 12

Pipe Weight Lb. / Ft. Outer Circle ID 5.000 Area6.450 Inner Circle OD 4.000 7.069

( ID2 x .7854 ) - ( OD2 x .7854 ) = Area Between Circles

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