he drilling jars

Houston Engineers, Inc.

PREFACE

HYDRA-JAR

Double Acting Hydraulic Drilling Jar6-80 Operation Manual Effective Date, May 1998


PREFACEHouston Engineers, Inc. maintains sales agents and representatives in most major oil producing areas of the world. The Houston office will furnish the name and address of our agent or representative in your area at your request.Domestic Sales and Service Locations Louisiana Houma ....................... 504-872-6833 Fax 504-868-7620 E-mail [email protected] New Iberia ................. 318-364-8141 Fax 318-367-8853 E-mail [email protected] Oklahoma Elk City...................... 405-243-3009 Fax 405-243-3203 Texas Alice .......................... 512-668-9033 Fax 512-668-0502 Houston ..................... 713-237-3065 Fax 713-225-3335 Odessa ....................... 915-337-8353 Fax 915-332-4863 Wyoming Casper........................ 307-234-9944 Fax 307-266-6536

INTERNATIONAL SALESTexas, USA Houston ..................... 713-237-3050 Fax 713-228-4227 Email [email protected] Singapore Singapore................... 65 545-5451 Fax 65 545-5423 E-mail CompuServe 102134, 1002 United Arab Emirate Dubai ......................... 971 4 835072 Fax 971 4 835082 Email [email protected] Western Australia, Australia Canning Vale............. 08 9455 5311 Fax 08 9455 5322 E-mail [email protected] designs and specifications of the tools described in this Operation Manual were current on the effective date of this manual. Houston Engineers, Inc., whose policy is one of continuous improvement, reserves the right to discontinue models at any time, or to change designs or specifications, without notice or without incurring obligation.

Drilling Jar Operation Manual


TABLE OF CONTENTSGENERAL DESCRIPTION 1

DESCRIPTION............................................................................................................................... 1 CONTROL OF DRILLING JAR............................................................................................. 1 ADVANTAGES OF USING DRILLING JAR .............................................................................. 2 UNIVERSAL USE IN OIL AND GAS WELL OPERATIONS ............................................. 2 EASILY ADJUSTABLE WHILE IN USE.............................................................................. 2 LONG TERM CAPABILTY ................................................................................................... 2 HIGH STRENGTH CONSTRUCTION .................................................................................. 3 DIRECTIONAL DRILLING................................................................................................... 3 FISHING OPERATIONS........................................................................................................ 3 DOUBLE-ACTING HYDRAULIC DRILLING JAR.................................................................... 4

OPERATION

5

GOING IN THE HOLE .................................................................................................................. 5 JAR SAFETY CLAMP............................................................................................................ 5 PICKING UP THE DRILLING JAR....................................................................................... 5 OPERATION.................................................................................................................................. 8 JAR LOAD .............................................................................................................................. 8 Establishing the Jar Load.................................................................................................. 8 Example 1: Jar Load Up......................................................................................... 8 Example 2: Jar Load Down.................................................................................... 8 Changing the Jar Load ...................................................................................................... 8 JAR CYCLE ............................................................................................................................ 8 Changing the Jar Cycle ..................................................................................................... 9 UP JARRING OPERATION ................................................................................................... 9 DOWN JARRING OPERATION............................................................................................ 9 UP AND DOWN JARRING OPERATIONS........................................................................ 10 SETTING THE DRILLING JAR PREMATURELY ............................................................ 10 INCREASING EFFECTIVENESS........................................................................................ 10 Using the Mud Pump ...................................................................................................... 10 Using Drill Collar Weights ............................................................................................. 10 Using the Accelerator Tool........................................................................................... 10 COMING OUT OF THE HOLE................................................................................................... 11 CHANGE OUT GUIDE LINES ................................................................................................... 12 Table 1 Change Out Recommendations .................................................................. 12



TABLE OF CONTENTSPLACEMENT 13

OPTIMUM DRILLING JAR POSITION .....................................................................................13 Drilling Jar In Tension ........................................................................................................ ...13 Placing Drilling Jar In Compression ......................................................................................13 Jar Tension Drilling Weight ...................................................................................................14 Transition Zone ......................................................................................................................14 WEIGHT CORRECTION TABLES.............................................................................................14 Table 2BFMud Weight & Buoyancy Factor Multiplier .....................................................14 Table 3AFHole Angle Factor Multiplier ............................................................................14 NO ANGLE...................................................................................................................................15 CORE DRILLING.........................................................................................................................16 DIRECTIONAL DRILLING ........................................................................................................17 DIRECTIONAL DRILLING MOTOR .........................................................................................18

TABLES AND CHARTS

19

TABLES AND CHARTS..............................................................................................................19 Table 4 Drilling Jar Specifications .........................................................................................19 Table 5 Drilling Jar And Accelerator Weight Tables.............................................................20 Table 6 Amplification Factor .................................................................................................21 DRILLING JAR FISHING DIMENSIONS ..................................................................................22 Table 7 Drilling Jar Fishing Dimensions................................................................................23 Table 7 (continued) Drilling Jar Fishing Dimensions ............................................................24 Table 7 (continued) Drilling Jar Fishing Dimensions ............................................................25 Table 7 (continued) Drilling Jar Fishing Dimensions ............................................................26 PUMP PRESSURE EXTENSION CHART..................................................................................27 DELAY TIMES vs LOAD Figure 19............................................................................................28



GENERAL DESCRIPTION

Drilling Jar General DescriptionThe Hydra-Jar is a double-acting hydraulic drilling jar capable of delivering an extra-heavy impact, when a bottom hole assembly becomes stuck. Designed to operate as an integral part of a drill string, it can withstand: Temperatures up to 500 F Hydrostatic pressures up to 20,000 psi Normal drilling conditions of torque, pump pressure, and long term use.

The Drilling Jar can easily be racked as part of a stand of drill collars because it is similar in length and diameter, and has compatible connections and slip setting areas. In the drilling mode, the jarring mechanism is disengaged and is not affected by normal drilling conditions or torque.

CONTROL OF DRILLING JARBy adjusting the amount of surface push or pull (no torque or external adjustments are required) the operator can deliver very light or maximum impacts in either direction, while controlling the number of impacts in any given time frame. If the drill string becomes stuck on bottom, the Drilling Jar can deliver impact in an up-only direction. If the drill string becomes stuck off of the bottom, the Drilling Jar can deliver impact in a downonly direction. When differential sticking is encountered, and movement is needed to regain rotation and circulation, the Drilling Jar will up-jar and down-jar.


1


GENERAL DESCRIPTION ADVANTAGES OF USING A DRILLING JARUNIVERSAL USE IN OIL AND GAS WELL OPERATIONS Drilling Coring Fishing Remedial Operations Workover Testing Offshore Cementing Sub Sea Service Directional and Horizontal Drilling

EASILY ADJUSTABLE WHILE IN USE Adjustable Jar Impact Selective Up or Down Impact Variable Jar Time Cycle and Jar Intensity Operation Adjusted by the Working Load

LONG TERM CAPABILITY Completely Hydraulic Back-up Seal Systems High Degree of Reliability

2



GENERAL DESCRIPTION

HIGH STRENGTH CONSTRUCTION High Strength Ductile Materials Key Components are Cold-worked, for Better Fatigue Life Can Withstand High Pressure and High Temperature Environments

DIRECTIONAL DRILLING An excellent tool to use with down-hole motor directional drilling application. Its straight pull and push characteristics will not disturb the directional orientation of the drill string.

FISHING OPERATIONS Variable impacts Straight push-pull Large Inside Diameter


3


GENERAL DESCRIPTION DOUBLE-ACTING HYDRAULIC DRILLING JARSerial No. Safety Clamp on Polish Shaft Slip Section Down Jar Impact Face

Drive Section

Up Jar Impact Face

Vent Ports(Open to the Annulus)

Upper Detent Section Neutralizer Section Vent Holes(Open to the Annulus)

Lower Detent Section Lower Tool Joint Sub

Assembly (when being handled)Figure 1 - Hydra-Jar

4



OPERATION

Drilling Jar OperationGOING IN THE HOLEDrilling Jars are approximately thirty feet long. Heavy-duty lift subs for tapered shoulder elevators are typically used for handling.

JAR SAFETY CLAMPWhen handling the Drilling Jar above the rotary table, the safety clamp must be on the Drilling Jar. This keeps the jar in the safe, extended position while being handled. The safety clamp is removed when the Drilling Jar is lowered into the hole, see *MKYVI

PICKING UP THE DRILLING JARStep 1: Place the lower drill assembly in the slips.Drill Collar ClampDrilling Assembly

Slips

Figure 2


5


OPERATIONStep 2: (a) Place thread protector on the tool joint thread. (b) Clamp elevators around the Lift Sub. (c) Pick up Drilling Jar with elevators. Note: Leave safety clamp on Drilling Jar.

Lift Sub

Safety Clamp

T.J. Pin Thread Protector

Figure 3

Step 3:

(a) Put Drilling Jar in mouse hole. (b) Tong up lift sub.

Safety Clamp Mouse HoleFigure 4

6



OPERATIONStep 4: (a) Make up Drilling Jar into lower drilling assembly in rotary table. (b) Remove the drill collar clamp (c) Lower the string until the slips can be set in the slip section of the Drilling Jar.

Safety Clamp Slip Section

Slips

Drill Collar Clamp

Figure 5

Step 5: (a) Remove Lift Sub. (b) Make up next full stand of drill collars or HWDP into top of Drilling Jar. (c) Tong up drill collars. Note: Leave Safety Clamp on Drilling Jar.

Step 6: (a) Pick up drill collars or HWDP. (b) Remove the slips. (c) Slightly lower the string. (d) Remove the Jar Safety Clamp. (e) Lower the drilling assembly into the hole.

Drill Collar

Tong Up Drill Collars

Safety Clamp

Drilling Jar Safety Clamp

Slips

Figure 6

Figure 7


7


OPERATION OPERATIONJAR LOAD Establishing the Jar LoadWith the Drilling Jar in the hole, control of the tool is in the hands of the drawworks operator. Use the Weight Indicator Reading and the Working String Weight above Drilling Jar, to establish jar load. Compare the load to the Specification Table 4, for the minimum and maximum detent load. In the following examples of operation it is necessary to calculate the working string weight above the jar and drag before calculating jar load. This weight is calculated as follows:Working String Weight Above the Jar Drag

equals Drag plus String Weight From The Drilling Jar To Surface.Weight Indicator Reading Down.

equals

Weight Indicator Reading Up minus

CAUTION: To prevent damage to the Drilling Jar, do not exceed maximum detent working load (Specification Table 4) during up-jar cycle or down-jar cycle.

Example 1: Jar Load UpUp Load on Drilling Jar equals Final Weight Indicator Reading Up, before impact, Weight Above the Jar.

minus

Working String

Final weight indicator reading up, before impact, is ...........250,000 lb Working string weight above the jar is ................................150,000 lb Which results in a jar up load of ..........................................100,000 lb Example 2: Jar Load DownDown Load on Drilling Jar equals Final Weight Indicator Reading Down, before impact, minus Working String Weight Down.

Final weight indicator reading down, before impact, is 120,000 lb Working string weight above the jar is ........................ 150,000 lb Which results in a jar down load of ............................ 30,000 lb

Changing the Jar LoadImpact can be changed by adjusting the working load on the Drilling Jar.

JAR CYCLEThe Drilling Jars hydraulic delay operates within a definite time/load cycle. This allows delivery of an optimum number of impacts with sufficient time delay to pull the pipe to the required load range and set the drawworks brake. Once a rhythm of setting the jar and pulling up (or pushing down) is established, the Drilling Jar can impact at a rate of approximately sixty blows per hour.

8



OPERATIONChanging the Jar CycleIf the delay time between blows is too short, it can be extended by applying more load when setting the tool. Extending the delay time also makes it possible to apply higher working detent loads, increasing the impact force. *MKYVI shows the normal relationship between load (at the jar) and time (before impact), for a given jar size. The chart can be used to establish the delay time for a given pull (or push) load.

UP-JARRING OPERATIONStep 1: Step 2: Establish the jar load up within the range shown in Table 4, Drilling Jar Specifications. Apply pull to the drill string per the established final weight indicator reading, then wait for the Drilling Jar to impact. There will be a small loss of indicator weight just before impact, which corresponds to the retraction of drill string length. There should be a clear indication on the weight indicator after the Drilling Jar has impacted. See *MKYVI for delay time vs. overpull. To repeat the operation, slack off 10,000 to 15,000 lb below the working load down and immediately apply the previous up-jar load.

Step 3:

DOWN-JARRING OPERATIONCAUTION:

Do not permit spudding down or dropping larger loads than the jarring mechanism is designed to withstand. Select a jar load down, within the range shown in Table 4, Drilling Jar Specifications, or within the weight range just above the Drilling Jar. Slack down per the established final weight indicator reading, then wait for the Drilling Jar to impact. Pick up on the string until the weight indicator is above the working string load by 10,000 to 15,000 lb, then immediately slack off to the previously selected down jar load. Wait for the Drilling Jar to impact down. See *MKYVI for delay time vs. overpull. Repeat Step 3 for additional blows.

Step 1: Step 2: Step 3:

Step 4: Step 5:

Down-jar impacts may not be transmitted through shock tools run in the lower drilling assembly. When jarring down with small amounts of drill collars or HWDP on top of the jar, select a load range that will not buckle the drill pipe, run above the jar.


9


OPERATIONUP AND DOWN JARRING OPERATIONSStep 1: Step 2: Step 3: Step 4: Step 5: Select jar load for up and down, as described in Examples 1 and 2. Carry out the up-jar sequence, as described in the Up-Jar Operation. Once the Drilling Jar has impacted up, slack off until the selected down weight on the Drilling Jar is achieved, as described in Down-Jar Operation. The weight indicator will reflect when the Drilling Jar impacts down. Repeat Steps 2 through 4 for continuing operation.

SETTING THE DRILLING JAR PREMATURELYIf the Drilling Jar is prematurely set, the string must be suspended in the elevators and allowed to impact. Following the impact, it may be run to depth. If it is set in the hole, leave the elevators on the pipe until the impact, before continuing tripping operations. When coming out of the hole, do not slack off more than six inches before setting the slips in the rotary or the Drilling Jar may set for an up-jar impact.

INCREASING EFFECTIVENESS Using the Mud PumpPump pressure does not appreciably effect up-jar impacts, but decreases down-jar impacts. Therefore, the pump should be shut down or slowed before down-jarring operations begin. Pump pressure extension loads are shown in *MKYVI Pump Pressure Extension Loads.

Using Drill Collar WeightsAdequate weight just above the Drilling Jar, provides optimum impact for down-jarring. This also, decreases the possibility of buckling damage to the drill sting.

Using the Accelerator ToolWhen used with optimum weights listed in Table 5, the HE Accelerator tool increases the impact of the jar and protects the working string from destructive shock loads. An Accelerator tool is effective in achieving efficient jarring in holes where high pipe drag loads are encountered.

10



OPERATION COMING OUT OF THE HOLEStep 1: (a) Attach the Safety Clamp on the polished shaft of the jar, as the Drilling Jar comes through the rotary table, and before setting the rotary slips. (b) Moderately tighten the two bolts of the safety clamp. Do not over-tighten safety clamp bolts.Safety Clamp Slip Section

Figure 8

Step 2:

Set rotary slips on slip section of the Drilling Jar. Break off and stand back drill collars or HWDP. (Jar may be changed out at this point.)

Safety Clamp

Figure 9

Step 3:

Make up and tong up lift sub into the Drilling Jar, then hoist out the next stand.

Step 4: Stand back Drilling Jar with stands of drill collars or HWDP. The Drilling Jar should be at the top of the stand.

Stand Containing Drilling Jar

Stands of lower Drill Assy. to Bit.

Previous stand of Drill Collars or H.W.D.P. above Jar.

Figure 11 Figure 10


11


OPERATION CHANGE OUT GUIDE LINESThe Drilling Jar should be changed out periodically, for servicing. See Table 1, Change Out Recommendations, to determine recommended hours of use before servicing. To use the information in Table 1, Change Out Recommendations: Step 1: Step 2: Step 3: Step 4: Step 5: Step 6: Select the Drilling Jar OD. Determine the drilling USE. Select the hole size and note the corresponding hours. Determine the bottom hole temperature and note the corresponding hours. Compare the hours between the temperature and the drilling USE The smaller of the two will determine the service period.

Table 1 Change Out RecommendationsTool OD inches & (mm)USE 3-1/8, 3-3/8 (79.38, 85.73) 4 1/4 (107.95) 4 3/4 (120.65) 6 1/4 (158.75) 6-1/2, 7, 7-1/4 (166.10, 177.80, 184.15) Hole Size 8-3/4 (222.25) 9-7/8 (250.83) 12-1/4 (311.15) 9-7/8 (250.83) 12-1/4 (311.15)Hour

7-3/4 (196.85)

8, 8-1/4, 8-1/2 (203.20, 209.55, 215.90) Hole Size 9-7/8 (250.83) 12-1/4 (311.15) 17-1/2 (444.50) 9-7/8 (250.83) 12-1/4 (311.15) 17-1/2 (444.50)Hour

9-1/2 (241.30)

Straight Hole Drilling

Hole Size 4-3/4 (120.65) 5-7/8 (149.23)

Hour

200 150

Hole Size 5-7/8 (149.23) 6-1/8 (155.58) 6-3/4 (171.45) 6-1/8 (155.58) 6-3/4 (171.45)

Hour

200 150 100 100 75

Hole Size 6-1/8 (155.58) 6-3/4 (171.45) 7-7/8 (200.03) 6-3/4 (171.45) 7-7/8 (200.03)

Hour

300 200 100 100 75

Hole Size 7-7/8 (200.00) 8-3/4 (222.25) 9-7/8 (250.83) 8-3/4 (222.25) 9-7/8 (250.83)

Hour

400 400 300 200 200

400 300 200 200 100

Hole Size 9-7/8 (250.83) 12-1/4 (311.15) 17-1/2 (444.50) 9-7/8 (250.83) 12-1/4 (311.15)

Hour

300 200 100 200 100

400 350 250 250 150 100

Hole Size 12-1/4 (311.15) 17-1/2 (444.50) 26 (660.40) 12-1/4 (311.15) 17-1/2 (444.50) 26 (660.40)

Hour

400 350 200 250 150 100

5-7/8 (149.23) Deviated Hole

100

Recommended hours of use before servicingTool OD inches & (mm)Bottom Hole Temp100-200F 38-93C 200-300F 93-148C 300-400F 148-204C 400-500F 204-260C 500-600F 260-315C

3-1/8, 3-3/8 (79.38, 85.73)

4 1/4 (107.95)

4 3/4 (120.65)

6 1/4 (158.75)

6-1/2, 7, 7-1/4 (166.10, 177.80, 184.15)

7-3/4 (196.85)

8, 8-1/4, 8-1/2 (203.20, 209.55, 215.90)

9-1/2 (241.30)

Hours200 200 150 150 100 200 200 150 150 100 300 200 200 150 100 400 300 300 150 100 100 50 400 300 300 150 100

300 300 300 150 100

400 300 300 150 100

400 300 300 150 100

Fishing Milling

12



PLACEMENT

Drilling Jar PlacementOPTIMUM DRILLING JAR POSITIONThe optimum position for the Drilling Jar is slightly above the transition zone, but the Drilling Jar can be run below the transition zone. Examples provided in *MKYVI through illustrate how to determine the position above the transition zone. The outside diameter of the Drilling Jar should be smaller than or equal to the diameter of the collar string and lower drilling assembly. This allows the Drilling Jar to be free, if the lower drilling assembly becomes stuck.

Drilling Jar In TensionThe Drilling Jar is generally run in tension, with adequate drill collars to provide desired weight on bit (WOB) and to maintain the transition zone below the Drilling Jar. Weight on bit changes can be accommodated, by adding to or subtracting from the drill collars below the jar, always retaining sufficient weight above the jar to provide an effective jar hammer.

Placing Drilling Jar In CompressionThe Drilling Jar can be, and often is, run in compression. When running in compression adequate drill collars should be placed below and above the Drilling Jar to accommodate the desired WOB and maintain the transition zone above the jar. When going in the hole the Drilling Jar will be extended (opened position); therefore, it is necessary to follow the procedures below in order to avoid a jar-down, as the Drilling Jar is closed. Slowly lower the string as the bit approaches bottom. The weight indicator will read a slight reduction in string weight when the bit tags bottom. Continue to slowly lower string, allowing the Drilling Jar to completely close and move through detent without causing an impact. A slight movement of the weight indicator needle might be detectable as the Drilling Jar exits detent. Subsequent to this procedure, additional weight can be added as needed.

In order to avoid a jar-up when making a connection or tripping out of the hole, while the jar is run in compression, the procedures below should be followed.


13


PLACEMENT Slowly raise string off bottom, allowing the jar to open and move through detent without causing an impact. Again, slight movement of the weight indicator needle will be observed as Drilling Jar exits detent. This indicates the tool is in the open position and normal practices for making a connection and coming out of hole can continue.

When re-establishing the WOB after a connection or otherwise approaching hole bottom, total WOB should be applied slowly to allow the Drilling Jar to ease through detent, thus avoiding a down-jar. A gradual increase of WOB down over a period of three minutes is usually sufficient to close the Drilling Jar without impact.

Jar Tension Drilling Weight (JTDW)The JTDW is generally 10% to 20% (or more) of the value selected for the desired bit weight. Enough JTDW should be selected so that subsequent variations in drilling bit weight will not permit the Drilling Jar to set during the drilling operation. Enough difference between the WOB and the JTDW should be provided to prevent the Drilling Jar from setting in the drilling operation. To avoid damaging or prematurely setting the Drilling Jar, do not place at or near the transition zone.

Transition ZoneThe transition zone can be calculated by dividing the corrected WOB by the unit weight per length of the drill collars (DC) or heavy weight drill pipe (HWDP) used.Transition Zone in feet = corrected WOB DC wt/ft Transition Zone in drill collars = corrected WOB wt/30ft Known Factors: Corrected WOB = 70,300 lb DC wt/ft = 147 lb/ft DC wt/30ft = 4480 lb Transition Zone in feet = 70,300 lb 147 lb/ft = 477 ft Transition Zone in drill collars = 70,300 lb 4,480 lb = 15 DC

WEIGHT CORRECTION TABLESThe information contained in Tables 2 and 3 can be utilized to calculate the required drill string weight, in air, necessary to provide the desired bit weight for both straight and directional holes. Table 2 BF Mud Weight & Buoyancy Factor MultiplierMud Weight LB/Gal Buoyancy Factor Multiplier 8.3 1.14 9.0 1.16 10.0 1.18 11.0 1.20 12.0 1.22 13.0 1.25 14.0 1.27 15.0 1.30 16.0 1.32 17.0 1.35 18.0 1.37 19.0 1.41 20.0 1.43

Where BF = Density of steel (PPG) - Density of mud (PPG) Density of steel (PPG)

Density of steel = 65.44 PPG

The reciprocal (1/BF) of the Buoyancy Factor (BF) multiplier when multiplied by the air weight of drill string members will give the buoyed weight in mud.

Table 3 AF Hole Angle Factor MultiplierHole Angle 1/cos Multiplier 5 10 15 20 25 30 35 40 45 50 55 60 1.0038 1.0154 1.0353 1.0642 1.1034 1.1547 1.2208 1.3054 1.4142 1.5557 1.7434 2.0000

14



PLACEMENT NO ANGLEDrill Pipe String

Use the calculations below to place the Drilling Jar in the optimum position within the drilling assembly, while maintaining the Desired Weight on Bit. For this example, use the /RS[R *EGXSVW to calculate weight, length, and quantity of drill collars to make up the drilling assembly, in air.

DRILLING JAR

WEIGHT ON

/RS[R *EGXSVWWDJWOB- Desired Weight on Bit (buoyed) JTDW - Jar Tension Drilling Weight (buoyed) WDJ - Weight on Drilling Jar (buoyed) DC - Drill collar in air - 6 x 2 (83.9 lb/ft) BF - Buoyancy factor (13 lb/gal) (Table 2) DJ - Drilling Jar Weight (in air) = 40,000 lb = 15,000 lb = 10,000 lb = 2,718 lb (each) = 1.25 = 1,600 lb

)\EQTPIDRILLING JARDrilling Assembly above Drilling Jar EQUATION (IN AIR) EXAMPLE

DJ

LB = FT = DC =

LB FT

= =

DC =

BWDC

WDJ BF 10,000 1.25 = 12,500 LB WDJ BF 10,000 1.25 WT of DC in LB/FT 83.9 = 149 FT WDJ BF 10,000 1.25 WT. per 30 FT of 2,718 = 5 DC Lower Drilling Assembly (LDA) [JTDW + WOB] (BF) [15,000 + 40,000] (1.25) = 68,750 LB [JTDW + WOB] (BF) [15,000 + 40,000] (1.25) WT of DC in LB/FT 83.9 = 819 FT [JTDW + WOB] (BF) [15,000 + 40,000] (1.25) WT per 30 FT of DC 2,718 = 25 DC Bit Weight Drill Collar (BWDC) = DESIRED WOB BF 40,000 x 1.25 = 50,000 LB

JTDWLOWER DRILLING ASSEMBLY

Transition Zone LDA

BWDC

WOB

Figure 13


15


PLACEMENT CORE DRILLINGDrill Pipe String

Use the calculations below to place the Drilling Jar in the optimum position within the drilling assembly, while maintaining the Desired Weight on Bit. For this example use, the /RS[R *EGXSVW to calculate weight, length, and quantity of drill collars to make up the drilling assembly, in air.

DRILLING JAR

WEIGHT ON

/RS[R *EGXSVWWDJWOCB - Desired Weight on Core Bit (buoyed) JTDW - Jar Tension Drilling Weight (buoyed) WDJ - Weight on Drilling Jar (buoyed) DC - Drill collars - 6 x 2 (83.9 lb/ft in air) BF - Buoyancy factor (13 lb/gal) DJ - Drilling Jar Weight (in air) = 20,000 lb = 18,000 lb = 10,000 lb = 2,718 lb (each) = 1.25 = 1,600 lb

DRILLING JAR

)\EQTPIDrilling Assembly above Drilling Jar EQUATION (IN AIR) EXAMPLE LB = FT = WDJ BF 10,000 1.25 = 12,500 LB WDJ BF 10,000 1.25 WT of DC in LB/FT 83.9 = 149 FT WDJ BF DC = 10,000 1.25 WT per 30 FT of DC 2,718 = 5 DC Lower Drilling Assembly (LDA) LB = [JTDW + WOBC] (BF) [18,000 + 20,000] (1.25) = 47,500 LB FT = [JTDW + WOBC] (BF) [18,000 + 20,000] (1.25) WT of DC in LB/FT 83.9 = 566 FT DC = [JTDW + WOBC] (BF) [18,000 + 20,000] (1.25) WT per 30 FT of DC 2,718 = 17 DC Weight on Core Bit (WOCB) WOCB = DESIRED WOB X BF 20,000 x 1.25 = 25,000 LB

DJ

JTDW

Transition Zone

LOWER DRILLING ASSEMBLY

LDA

BWDC

CORE BIT

Figure 14

16



PLACEMENT DIRECTIONAL DRILLINGDrill Pipe String

Use the calculations below to place the Drilling Jar in the optimum position within the drilling assembly, while maintaining the Desired Weight on Bit. For this example, use the /RS[R *EGXSVW to calculate weight, length, and quantity of drill collars to make up the drilling assembly, in air.

WEIGHT ON DRILLING JAR

WDJ

/RS[R *EGXSVWWOB - Weight on Bit (buoyed) JTDW - Jar Tension Drilling Weight (buoyed) WDJ - Weight on Drilling Jar (buoyed) DC - Drill collars - 6 x 2 (83.9 lb/ft in air) Hole Angle AF - Hole Angle Factor BF - Buoyancy Factor (13 lb/gal) DJ - Drilling Jar Weight (in air) = 45,000 lb = 15,000 lb = 10,000 lb = 2,718 lb (each) = 35 = 1.22 = 1.25 = 1,600 lb

DRILLING JAR

DJ

)\EQTPIDrilling Assembly above Drilling Jar EQUATION EXAMPLE LB = FT = WDJ BF AF 10,000 1.25 1.22 = 16,850 LB WDJ BF AF 10,000 1.25 1.22 WT. of DC in LB/FT 83.9 = 201 FT WDJ BF AF DC = 10,000 1.25 1.22 WT per 30 FT of DC 2,718 = 6 DC Lower Drilling Assembly (LDA) LB = [JTDW + WOB] (BF) (AF) [15,000 + 45,000] (1.25) (1.22) = 91,500 LB FT = [JTDW + WOB] (BF) (AF) [15,000 + 45,000] (1.25) (1.22) WT of DC in LB/FT 83.9 = 1090 FT DC = [JTDW + WOB] (BF) (AF) [15,000 + 45,000] (1.25) (1.22) WT per 30 FT of DC 2,718 = 30 DC Bit Weight Drill Collar (BWDC) BWDC = WOB (AF) (BF) 45,000 (1.22) (1.25) = 68,625 LB

JTDW LOWER DRILLING ASSEMBLY

Transition Zone

LDA

BWDC

WOB

Figure 15

Drilling Jar Operations Manual

17


PLACEMENT DIRECTIONAL DRILLING WITH MOTORUse the calculations below to place the Drilling Jar in the optimum Drill Pipe position within the drilling assembly, while maintaining the Desired String Weight on Bit.DRILLING JAR WEIGHT ON

For this example, use the /RS[R *EGXSVW to calculate weight, length, and quantity of drill collars to make up the drilling assembly, in air.WDJ

/RS[R *EGXSVWWOB - Weight on Bit (buoyed) JTDW - Jar Tension Drilling Weight (buoyed) WDJ - Weight on Drilling Jar (buoyed) DC - Drill collars - 6 x 2 (83.9 lb/ft in air) Hole Angle AF - Hole Angle Factor BF - Buoyancy Factor (13 lb/gal) DJ - Drilling Jar (in air) = 30,000 lb = 6,000 lb = 10,000 lb = 2,718 lb (each) = 35 = 1.22 = 1.25 = 1,600 lb

DRILLING JAR

DJ

)\EQTPIDrilling Assembly above Drilling Jar EQUATION EXAMPLE LB = FT = WDJ BF AF 10,000 1.25 1.22 = 16,850 LB WDJ BF AF 10,000 1.25 1.22 WT of DC in LB/FT 83.9 = 182 FT WDJ BF AF DC = 10,000 1.25 1.22 WT per 30 FT of DC 2,718 = 6 DC Lower Drilling Assembly (LDA) LB = [JTDW + WOB] (BF) (AF) [6,000 + 30,000] (1.25) (1.22) = 54,900 LB FT = [JTDW + WOB] (BF) (AF) [6,000 + 30,000] (1.25) (1.22) WT of DC in LB/FT 83.9 = 654 FT DC = [JTDW + WOB] (BF) (AF) [6,000 + 30,000] (1.25) (1.22) WT per 30 FT of DC 2,718 = 20 DC Bit Weight Drill Collar (BWDC) BWDC = WOB (AF) (BF) 30,000 (1.22) (1.25) = 45,750 LB

JTDW Transition Zone

LOWER DRILLING ASSEMBLY

LDA

Deflection Tool

Downhole Motor BWDC WOB

Figure 16

18



TABLES AND CHARTS

Drilling Jar Tables and ChartsTABLES AND CHARTSTable 4 SpecificationsTool OD inches (mm) Tool ID inches (mm) Tool Joint Connections Overall Length Extended ft-in (mm) 3-1/8 (79.38) 1-1/4 (31.75) 2-3/8 API REG 22' 10" (6969) 3-3/8 (85.73) 1-1/2 (38.1) 2-3/8 API IF 24 5 (7442.2) 44,000 (195,712) 4-1/4 (107.95) 2 (50.80) 2-7/8 API IF 29' 10" (9093.20) 70,000 (311,360) 4-3/4 (120.65) 2-1/4 (57.15) 3-1/2 API IF 29' 10" (9093.20) 80,000 (355,840) 6-1/4 (158.75) 2-3/4 (69.85) 4-1/2 XH 31' 2" (9499.60) 150,000 (667,200) 6-1/2 (165.10) 2-3/4 (69.85) 4-1/2 API IF 31' 2" (9499.60) 175,000 (778,400) 7 (177.80) 2-3/4 (69.85) 5 H90 31' 6" (9601.20) 7-1/4 (184.15) 2-3/4 (69.85) 5-1/2 H90 31' 6" (9601.20) 7-3/4 (196.85) 3 (76.20) 6-5/8 API REG 32' (9753.60) 8 (203.20) 3 (76.20) 6-5/8 API REG 32' (9753.60) 8-1/4 (209.55) 3 (76.20) 6-5/8 API REG 32' (9753.60) 8-1/2 (215.90) 3 (76.20) 6-5/8 API REG 32' (9753.60) 9-1/2 (241.30) 3 (76.20) 7-5/8 API REG 32' 6" (9906.00)

Max. Detent 46,000 Working (204,608) Load lbf (N) Tensile Yield Strength lbf (N) Torsional Yield Strength lbfft (Nm) Up-Stroke inches (mm) DownStroke inches (mm) Total Stroke inches (mm) Total Weight lb (kg)

230,000 240,000 260,000 300,000 350,000 350,000 500,000 (1,023,040) (1,067,520) (1,156,480) (1,334,400) (1,556,800) (1,556,800) (2,224,000)

215,000 232,580 310,000 460,000 730,000 900,000 1,100,000 1,200,000 1,300,000 1,600,000 1,700,000 1,700,000 2,000,000 (956,320) (1,034,516) (1,378,880) (2,046,080) (3,247,040) (4,003,200) (4,892,800) (5,337,600) (5,782,400) (7,116,800) (7,561,600) (7,561,600) (8,896,000)

5,600 (7,592)

6,100 (8,270)

16,000 (21,692)

21,000 (28,470)

50,000 (67,787)

61,000 (82,700)

80,000 (108,460)

97,000 (131,507)

118,000 (159,978)

118,000 (159,978)

118,000 (159,978)

118,000 (159,978)

200,000 (271,150)

7 (177.8) 7 (177.8) 21 (533) 350 (159)

7 (177.8) 7 (177.8) 21 (533) 500 (227)

8 (203.20) 7 (177.80) 25 (635) 800 (362)

8 (203.20) 7 (177.80) 25 (635) 1,050 (476)

8 (203.20) 7 (177.80) 25 (635) 1,600 (725)

8 (203.20) 7 (177.80) 25 (635) 1,850 (839)

8 (203.20) 8 (203.20) 25 (635) 2,600 (1,179)

8 (203.20) 8 (203.20) 25 (635) 3,000 (1360)

8 (203.20) 7 (177.80) 25 (635) 3,200 (1451)

8 (203.20) 7 (177.80) 25 (635) 3,550 (1610)

8 (203.20) 8 (203.20) 25 (635) 4,000 (1814)

8 (203.20) 8 (203.20) 25 (635) 4,500 (2041)

8 (203.20) 8 (203.20) 25 (635) 5,600 (2540)

Torsional yield strength is based on the tool joint connection. Tensile yield, Torsional yield, and maximum overpull values above are calculated per API RP7G utilizing the published yield strength of the material. Further information on these and other specifications is available upon request.


19


TABLES AND CHARTS

Table 5 Drilling Jar and Accelerator Tool Weight TablesTool OD 3-1/8 OD Inches (mm) (79.38) Tool Joint 2-3/8 Connections API REG Jar and Accel. Load lbf (N) 20,000 (88,960) 25,000 (111,200) 30,000 (133,440) 40,000 (177,920) 50,000 (222,400) 75,000 (333,600) 100,000 (444,800) 125,000 (556,000) 150,000 (667,200) 175,000 (778,400) 200,000 (889,600) 250,000 (1,112,000) 300,000 (1,334,400) 350,000 (1,556,800) Drill Collar Size Inches (mm) WT/30 Impact Blow x1000 lbf (N) 3-1/8 OD (79.38) 1-1/4 ID (931.75) 657 lb (298 kg) Min: 90 (400) Max: 200 (890) 3-3/8 OD (85.73) 1-1/2 ID (31.75) 732 lb (332 kg) 90 (400) 200 (890) 4-1/4 OD (107.95) 2-1/4 ID (57.15) 1,041 lb (472 kg) 150 (667) 250 (1112) 4-3/4 OD (120.65) 2 ID (50.80) 1,488 lb (674 kg) 180 (800) 300 (1334) 6-1/4 OD (158.75) 2-13/16 ID (71.44) 2,519 lb (1142 kg) 400 (1779) 650 (2981) 6-1/2 OD (165.10) 2-13/16 ID (71.44) 2,774 lb (1258 kg) 400 (1779) 700 (3113) 7 OD (177.80) 2-13/16 ID (71.44) 3,313 lb (1502 kg) 450 (2001) 750 (3336) 8-1/4 OD 8-1/2 OD 8 OD 7-1/4 OD 7-3/4 OD (184.15) (196.85) (203.20) (209.55) (215.90) 3 ID 3 ID 3 ID 3 ID 2-13/16 ID (76.20) (76.20) (76.20) (76.20) (71.44) 5,173 lb 4,723 lb 4,398 lb 4,080 lb 3,598 lb (1632 kg) (1850 kg) (1994 kg) (2142 kg) (2346 kg) 450 (2001) 750 (3336) 500 (2224) 800 (3558) 500 (2224) 800 (3558) 600 (2668) 900 (4003) 600 (2668) 900 (4003) 4,000 6 (1,814 4) 5,000 9 (2,267 8) 6,000 9 (2,721 9) 8,000 12 (3,628 12) 4,000 5 (1,814 5) 5,000 6 (2,267 6) 6,000 8 (2,721 8) 8,000 10 (3,628 10) 4,000 4 (1,814 4) 5,000 5 (2,267 5) 6,000 6 (2,721 6) 8,000 8 (3,628 8) 10,000 10 (4,535 10) 15,000 14 (6,803 14) 8,000 5 (3,628 5) 10,000 7 (4,535 7) 15,000 10 (6,803 10) 20,000 13 (9,071 13) 10,000 4 (4,535 4) 15,000 6 (6,803 6) 20,000 8 (9,071 8) 25,000 10 (11,339 10) 30,000 12 (13,607 12) 35,000 14 (15,875 14) 10,000 4 (4,535 4) 15,000 5 (6,803 5) 20,000 7 (9,071 7) 25,000 9 (11,339 9) 30,000 11 (13,607 11) 35,000 13 (15,875 13) 3-3/8 OD (85.73) 2-3/8 API IF 4-1/4 OD 4-3/4 OD 6-1/4 OD (107.95) (120.65) (158.75) 2-7/8 3-1/2 4-1/2 API IF MOD API FH-IF API IF MOD 6-1/2 OD (165.10) 4-1/2 API IF MOD 7 OD (177.80) 5 H90 7-1/4 OD (184.15) 5 H90 7-3/4 OD (196.85) 6-5/8 API REG 8 OD (203.20) 6-5/8 API REG 8-1/4 OD (209.55) 6-5/8 API REG 8-1/2 OD (215.90) 6-5/8 API REG 9-1/2 OD (241.30) 7-5/8 API REG

Weight of Collars and Quantity of Collars - lb. (kg)

This area represents insufficient drill collar weights that cause excessively high impact loads on jar and fishing tools.10,000 3 (4,535 3) 15,000 5 (6,803 5) 20,000 6 (9,071 6) 10,000 3 (4,535 3) 15,000 4 (6,803 4) 20,000 6 (9,071 6)

25,000 8 25,000 7 25,000 6 25,000 6 25,000 5 25,000 5 (11,339 8) (11,339 7) (11,339 6) (11,339 6) (11,339 5) (11,339 5) 30,000 9 30,000 8 30,000 7 30,000 7 30,000 6 30,000 6 30,000 5 (13,607 9) (13,607 8) (13,607 7) (13,607 7) (13,607 6) (13,607 6) (13,607 5) 35,000 10 35,000 10 35,000 9 35,000 8 35,000 7 35,000 7 35,000 5 (15,875 (15,875 (15,875 9) (15,875 8) (15,875 7) (15,875 7) (15,875 5) 10) 10) 40,000 12 40,000 11 40,000 10 40,000 9 40,000 8 40,000 8 40,000 6 (18,143 (18,143 (18,143 (18,143 9) (18,143 8) (18,143 8) (18,143 6) 12) 11) 10) 50,000 12 50,000 11 50,000 11 50,000 10 50,000 8 (22,679 (22,679 (22,679 (22,679 (22,679 8) 12) 11) 11) 10) 60,000 15 60,000 14 60,000 13 60,000 12 60,000 9 (27,215 (27,215 (27,215 (27,215 (27,215 9) 15) 14) 13) 12) 70,000 11 (31,751 11) 9-1/2 OD (241.30) 3 ID (76.20) 6,618 lb (3001 kg) 1,000 (4448) 2,000 (8896)

This area represents excessive drill collar weights that diminish the efficiency of the jar acceleration effort.

W 2 * The Jar Blow is a product of the Energy Equation: E = 1 / 2 g V where E is the energy available to perform the impact work and accelerates the Jar Weight (W) to the Velocity (V) which is exponential in value.

20



TABLES AND CHARTS

Table 6 Amplification FactorJar Size (inches) OD x ID 3-1/8 x 1-1/4 3-3/8 x 1-1/2 4-1/4 x 2 Drill Pipe DIA LB/FT 2-3/8 2-3/8 2-7/8 6.65 6.65 6.87 10.40 13.30 15.50 13.30 15.50 16.60 20.00 16.60 20.00 16.60 20.00 16.60 20.00 19.50 19.50 16.60 20.00 16.60 20.00 19.50 19.50 19.50 16.60 20.00 19.50 19.50 19.50 19.50 19.50 19.50 21.90 21.90 21.90 21.90 21.90 21.90 25.20 25.20 Heavy WT Drill Pipe DIA LB/FT 3-1/2 3-1/2 4-1/2 4-1/2 5 5 5 5-1/2 5-1/2 5-1/2 6-5/8 6-5/8 6-5/8 6-5/8 6-5/8 26 26 42 42 50 50 50 57 57 57 70 70 70 70 70 Drill Collars DIA LB/FT 3-1/8 3-3/8 4-1/4 4-3/4 4-3/4 6-1/4 6-1/4 6-1/2 6-1/2 6-1/2 7 7-1/4 7 7-1/4 7-3/4 7-3/4 7-3/4 8 8-1/4 8-1/2 8-1/4 8-1/2 9 9-1/2 9-1/2 22.0 24.4 37.5 49.5 49.5 83.9 83.9 92.5 92.5 92.5 110.5 119.5 110.5 119.5 136.1 136.1 136.1 150.5 157.5 172.5 157.5 172.5 191.9 216.6 216.6 Amplification Factor (M) 2.64 2.93 4.36 2.89 1.56 1.34 2.99 2.56 2.02 1.68 2.41 2.00 4.04 3.35 4.52 3.71 2.05 3.80 2.74 2.28 5.31 4.77 2.33 4.53 4.89 6.56 5.45 2.87 5.60 6.36 2.87 6.45 7.07 2.55 5.75 6.29 2.55 7.00 7.90 2.23 6.86 L Jar Load (LB) 40,000 40,000 50,000 50,000 75,000 75,000 75,000 75,000 100,000 100,000 100,000 100,000 100,000 100,000 100,000 100,000 100,000 100,000 100,000 100,000 100,000 100,000 100,000 100,000 100,000 150,000 150,000 150,000 150,000 150,000 150,000 150,000 150,000 150,000 150,000 150,000 150,000 150,000 150,000 150,000 150,000 F Jar Blow (LB) 105,600 117,200 218,000 144,000 117,000 101,000 225,000 193,000 202,000 168,000 241,000 200,000 404,000 335,000 452,000 371,000 205,000 380,000 274,000 238,000 531,000 477,000 233,000 453,000 489,000 987,000 818,000 430,500 840,000 956,000 430,500 967,500 1,060,500 382,500 835,500 943,500 382,500 1,050,000 1,185,000 334,500 1,029,000

4-3/4 x 2-1/4

3-1/2

6-1/4 x 2-3/4 4-1/2 6-1/2 x 2-3/4

5

4-1/2 7 x 2-3/4 7-1/4 x 2-3/4 5 4-1/2 7-3/4 x 3 8x3 5

8-1/4 x 3 8-1/2 x 3

5

5-1/2

5-1/2 9-1/2 x 3 6-5/8

Amplification Factor (M) = WT/FT HWDP or DC WT/FT or drill pipe x [0.799]. [0.799] = Empirical Factor obtained by comparing theoretical impact calculations to measured impact data. Example: Impact Jar Blow (F) in lb. = Amplification Factor (M) X Jar Load (L). Table 6 shows the ratio of jar weight members to string members in LB/Ft to arrive at the Amplification Factor. *See Table 6 for a 6 x 2 jar size. Find 41/2-16.60 LB/Ft. Drill Pipe and 6-84 LB/Ft. Drill Collars for an Amplification Factor of 4.04. With a Jar Load (L) of 100,000 Lb, Jar Blow (F) equals 4.4 x 100,000 or 404,000 Lb. of Impact Jar Blow.


21


TABLES AND CHARTSHYDRA-JAR FISHING DIMENSIONSA B A C B B B D FLUID C CYLINDER A B E C F D G D KNOCKER G A B A B F I J DRIVE C CYLINDER A A C G H A B A B DRIVE PIN RETAINER C D C NEUTRALIZER E MANDREL F D D C B I F G H LOWER SUB DRIVE PINS A B D E E B D CONNECTOR SUB F D A E E C B LOWER DETENT MANDREL A WEAR RING(Not included with all Sizes)

F

A F G H D A C E B D F C B E

NEUTRALIZER PISTON

C E

KELLY MANDREL A C B E

NEUTRALIZER CYLINDER

UPPER DETENT F CYLINDER

D A

CONNECTOR SUB

C B H I

D D E UPPER DETENT F MANDREL G B F C E LOWER DETENT CYLINDER

Figure 17

22



TABLES AND CHARTS

Table 7 Hydra-Jar Fishing DimensionsTool OD Tool ID3-1/8 (79.38) 1-1/4 (31.75) 3-1/8 (79.38) 16 (406.40) 2.135 (54.229) 2 (50.80) 74-7/8 (1901.83) 2-5/8 REG 1-1/4 (31.75) 3-3/8 (85.73) 1-1/2 (38.1) 3-3/8 (85.73) 16 (406.40) 2.52 (64.01) 2.25 (57.15) 81-7/8 (2079.63) 2-3/8 I.F. 1 1/2 (38.10) 4-1/4 (107.95) 2 (50.80) 4-1/4 (107.95) 17-1/4 (438.15) 3.025 (76.84) 3 (76.20) 103-3/8 (2625.73) 2-7/8 I.F. 2 (50.80) 5 (127.00) 4-1/4 (107.95) 4-3/4 (120.65) 2-1/4 (57.15) 4-3/4 (120.65)2-17/16 -27-5/16 (544.51-693.74)

6-1/4, 6-1/2 (158.75-165.10) 2-3/4 (69.85) 6-1/4, 6-1/2 (158.75-165.10) 18-1/2, 23-3/8 (469.90-593.73) 4-3/8 (111.13) 4-5/16 (109.54) 112 (2844.80) 4-1/2 I.F. 2-3/4 (69.85) 5 (127.00) 6-1/4, 6-1/2 (158.75-165.10)

7 (177.80) 2-3/4 (69.85) 7 (177.80) 24-11/32 (618.33) 4-7/8 (123.83) 4-5/8 (117.48) 119-5/16 (3030.54) 4-1/2 I.F. 2-3/4 (69.85) 5-1/16 (128.59) 7 (177.80)

7-1/4 (184.15) 2-3/4 (69.85) 7-1/4 (184.15) 24-25/64 (619.52) 4-7/8 (123.83) 4-5/8 (117.48) 119-5/16 (3030.54) 5 H-90 2-3/4 (69.85) 5-1/16 (128.59) 7-1/4 (184.15)

7-3/4 - 8 (195.85-203.20) 3 (76.20) 7-3/4, 8 (196.85-203.20) 18-24 (457.20-609.60) 5-3/16 (131.76) 5-1/8 (130.18) 112-13/16 (2865.44) 6-7/8 REG 3 (76.20) 6-3/8 (161.93) 7-3/4-8 (196.85-203.20)

8-1/4 (209.55) 3 (76.20) 8-1/4 (209.55) 17-13/16 (452.44) 6 (152.40) 5-1/2 (139.70) 112-3/16 (2865.44) 6-5/8 REG 3 (76.20) 6-1/2 (165.10) 8-1/4 (209.55)

8-1/2 (215.90) 3 (76.20) 8-1/2 (215.90) 17-27/32 (453.23) 6 (152.40) 5-1/2 (139.70) 112-3/16 (2865.44) 6-5/8 REG 3 (76.20) 6-1/2 (165.10) 8-1/2 (215.90)

9-1/2 (241.30) 3 (76.20) 9-1/2 (241.30) 24-3/32 (611.98) 6-3/4 (171.45) 6 (152.40) 125-3/8 (3184.53) 7-5/8 REG 3 (76.20) 7-1/2 (190.50) 9-5/8 (244.48)

KELLY MANDREL A B C D E F G

3-3/8 (85.73) 3-5/16 (84.14) 108-1/2 (2756.00) 3-1/2 I.F. 2-1/4 (57.15) 6 (152.40) 4-3/8 (111.13)

WEAR RING A B

DRIVE CYLINDER A B C D E F G H I J3-1/8 (79.38) 5 (127.00) 14 (355.60) 4.625 (117.475) 3.750 (92.25) 2-7/8 (73.03) 3-1/8 (79.38) 2.625 (66.675) 27-3/8 (695.33) 2.145 (54.483) 3-3/8 (85.73) 8-3/8 (212.73) 13-17/32 (343.69) 3-3/8 (85.73) 3.75 (95.25) 3-1/8 (79.38) 3-3/8 (85.73) 2.875 (73.03) 31-3/8 (796.93) 2.53 (64.26) 4-1/4 (107.95) 7-7/8 (200.03) 22-3/4 (577.85) 9-3/8 (238.13) 4-7/8 (123.83) 3-5/8 (92.08) 4-1/4 (107.95) 3-3/4 (95.25) 44-7/8 (1139.83) 3-1/32 (77.03) 4-3/4 (120.65) 7-7/8 (200.03) 22-3/4 (577.85) 9-3/8 (238.13) 5.469 (138.91) 4-1/8 (104.78) 4-3/4 (120.65) 4-1/8 (104.78) 44-7/8 (1139.83) 3.395 (86.23) 6-1/4-6-1/2 (158.75-165.10) 7-7/8 (200.03) 24-1/2 (622.30) 16-1/2 (419.10) 5.875 (149.23) 5-1/2 (139.70) 6-1/4, 6-1/2 (158.75-165.10) 5-5/8 (142.88) 48-7/16 (1230.31) 4.400 (111.760) 7 (177.80) 9-5/16 (236.54) 22-63/64 (583.80) 8-3/64 (204.39) 5-53/64 (148.03) 6 (152.40) 7 (177.80) 6-1/8 (155.58) 48-7/8 (1241.43) 4-29/32 (124.62) 7-1/4 (184.15) 9-5/16 (236.54) 22-63/64 (583.80) 8-3/64 (204.39) 5-25/32 (146.84) 6 (152.40) 7-1/4 (184.15) 6-1/8 (155.58) 48-7/8 (1241.43) 4-29/32 (124.62) 7-3/4, 8 (196.85-203.20) 7-7/8 (200.03) 20 (508.00) 21 (533.40) 7-13/32 (188.12) 6-1/2 (165.10) 7-3/4-8 (196.85-203.20) 6-7/8 (174.63) 48-7/8 (1241.43) 5.207 (132.26) 8-1/4 (209.55) 9-7/8 (250.83) 18 (457.20) 13-41/64 (346.47) 7-23/64 (186.93) 7-1/2 (190.50) 8-1/4 (209.55) 7-1/8 (180.98) 48-7/8 (1241.43) 6-1/32 (153.20) 8-1/2 (215.90) 9-25/32 (248.44) 18-3/32 (459.58) 13-11/16 (347.66) 7-5/16 (185.74) 7-1/2 (190.50) 8-1/2 (215.90) 7-1/8 (180.98) 48-7/8 (1241.43) 6-1/32 (153.20) 9-1/2 (241.30) 12-1/2 (317.50) 25-1/2 (647.00) 7-19/64 (185.34) 7-19/32 (192.88) 8-3/4 (222.25) 9-1/2 (241.30) 7-3/4 (196.85) 52-7/8 (1343.03) 6-43/64 (169.47)

DRIVE PINS A B.375 (9.525) 5 (127.00) 3-1/8 (79.375) 10.234 (259.944) 3.750 (95.250) 2.020 (51.308) 5/16 (7.94) 5 (127.00) 3-3/8 (85.73) 10-17/64 (260.75) 3.75 (95.25) 2.875 (73.03) 3/8 (9.53) 5 (127.00) 4-1/4 (107.95) 6-1/8 (155.58) 5-1/4 (133.35) 3.030 (76.96) 3/8 (9.53) 5 (127.00) 4-3/4 (120.65) 7-1/32 (178.60) 4.969 (126.21) 3.345 (84.96) 3/4 (19.05) 6 (152.40) 6-1/4, 6-1/2 (158.75-165.10) 8-7/8 (225.43) 6 (152.40) 4.333 (110.06) 3/4 (19.05) 6 (152.40) 7 (177.80) 8-59/64 (226.62) 6-61/64 (176.61) 4-21/32 (118.27) 3/4 (19.05) 6 (152.40) 7-1/4 (184.15) 8-61/64 (227.41) 6-29/32 (175.42) 4-21/32 (118.27) 3/4 (19.05) 6 (152.40) 7-3/4-8 (196.85-203.20) 10 (254.00) 6 (152.40) 5-1/4 (133.35) 3/4 (19.05) 6 (152.40) 8-1/4 (209.55) 10-3/4 (273.05) 5-61/64 (151.21) 5-5/8 (142.88) 3/4 (19.05) 6 (152.40) 8-1/2 (215.90) 10 (254.00) 5-29/32 (150.02) 5-5/8 (142.88) 1 (25.4) 6 (152.40) 9-1/2 (241.30) 10-7/32 (256.59) 8-7/32 (208.76) 6-1/16 (153.98)

DRIVE PIN RETAINER SUB A B C D


23


TABLES AND CHARTS

Table 7 (continued) Hydra-Jar Fishing DimensionsTool OD Tool ID3-1/8 (79.38) 1-1/4 (31.75) 3-3/8 (85.73) 1-1/2 (38.1) 4-1/4 (107.95) 2 (50.80) 4-3/4 (120.65) 2-1/4 (57.15) 6-1/4, 6-1/2 (158.75-165.10) 2-3/4 (69.85) 7 (177.80) 2-3/4 (69.85) 7-1/4 (184.15) 2-3/4 (69.85) 7-3/4-8 (195.85-203.20) 3 (76.20) 8-1/4 (209.55) 3 (76.20) 8-1/2 (215.90) 3 (76.20) 9-1/2 (241.30) 3 (76.20)

FLUID CYLINDER A B C3-1/8 (79.375) 2.525 (64.135) 43-3/4 (1111.25) 3-3/8 (85.73) 2.75 (69.85) 55-5/8 (1412.88) 4-1/4 (107.95) 3.63 (92.08) 52-7/16 (1331.91) 4-3/4 (120.65) 4 (101.60) 51-1/8 (1298.58) 6-1/4, 6-1/2 (158.75-165.10) 5.460 (138.68) 54-5/8 (1387.78) 7 (177.80) 5-7/8 (149.23) 55-15/16 (1420.81) 7-1/4 (184.15) 5-7/8 (149.23) 55-15/16 (1420.81) 7-3/4, 8 (196.85-203.20) 6.625 (168.28) 60-3/4 (1543.05) 8-1/4 (209.55) 6-7/8 (174.63) 60-3/4 (1543.05) 8-1/2 (215.90) 6-7/8 (174.63) 60-3/4 (1543.05) 9-1/2 (241.30) 7-5/16 (185.74) 60 (1524.00)

DETENT CYLINDER A B C D E F3-1/8 (79.38) 2.625 (66.675) 1.833 (45.558) 2.475 (62.865) 3.750 (95.250) 34-1/2 (876.30) 1.766 (44.856) 1-1/4 (31.75) 1.813 (46.050) 40.00 (1016.00) 3-5/8 (92.08) 2.187 (55.550) 13-3/8 (339.73) 2.406 (61.112) 1.813 (46.050) 3-3/8 (85.73) 2-7/8 (73.03) 2.083 (52.91) 2-7/8 (73.03) 4.375 (111.13) 38-1/2 (977.90) 2.016 (51.21) 1-1/2 (38.10) 2.063 (52.40) 47-23/32 (1212.06) 2-5/8 (66.68) 2-3/16 (55.56) 14-23/32 (373.86) 2.656 (67.46) 2.063 (52.40) 4-1/4 (107.95) 3-3/4 (95.25) 2.530 (64.26) 3.500 (88.9) 4.696 (126.21) 52-17/32 (1334.29) 2-1/2 (63.50) 2 (50.80) 2.520 (64.01) 48-7/16 (1230.31) 5 (127.00) 2-7/8 (73.03) 18 (457.20) 3-3/8 (85.73) 2.520 (64.01) 4-3/4 (120.65) 4-1/8 (104.78) 2.790 (70.87) 3.875 (98.43) 4.969 (126.21) 52-17/32 (1334.29) 2-3/4 (69.85) 2-1/4 (57.15) 2.770 (70.36) 47-3/8 (1203.33) 5 (127.00) 2-7/8 (73.03) 18 (457.20) 3-3/4 (95.25) 2.770 (70.36) 6-1/4, 6-1/2 (158.75-165.10) 5-5/8 (142.88) 3.520 (89.41) 5 (127.00) 5.750 (146.05) 54-9/16 (1385.89) 3-7/16 (87.31) 2-3/4 (69.85) 3.5 (88.9) 49 (1244.60) 5-1/2 (139.70) 3 (76.20) 20 (508.00) 4-3/4 (120.65) 3.5 (88.90) 7 (177.80) 6-1/8 (155.58) 3-49/64 (95.65) 5-1/2 (139.70) 6-1/8 (155.58) 54-5/8 (1387.48) 3-1/2 (88.90) 2-3/4 (69.85) 3-3/4 (95.25) 54-33/64 (1384.70) 5-1/2 (139.70) 2 (50.80) 20 (508.00) 5-3/8 (136.53) 3-3/4 (95.25) 7-1/4 (184.15) 6-1/8 (155.58) 3-49/64 (95.65) 5-1/2 (139.70) 6-5/64 (154.38) 54-43/64 (1388.67) 3-1/2 (88.90) 2-3/4 (69.85) 3-3/4 (95.25) 54-33/64 (1384.70) 5-1/2 (139.70) 2 (50.80) 20 (508.00) 5-3/8 (136.53) 3-3/4 (95.25) 7-3/4-8 (196.85-203.20) 6-7/8 (174.63) 4.550 (115.57) 6-3/8 (161.93) 7 (177.80) 54-7/8 (1393.83) 4-1/2 (114.30) 3 (76.20) 4.530 (115.06) 53-3/8 (1355.73) 6 (152.40) 3-1/2 (88.90) 21-9/16 (547.69) 6-1/8 (155.58) 4.530 (115.06) 8-1/4 (209.55) 7-1/8 (180.98) 4-35/64 (115.49) 6-3/8 (161.93) 5-61/64 (176.61) 54-59/64 (1395.02) 4-1/4 (107.95) 3 (76.20) 4-17/32 (115.09) 59-3/8 (1508.13) 3-1/2 (88.90) 1-1/2 (38.10) 21-9/16 (547.69) 6-1/8 (155.58) 4-17/32 (115.09) 8-1/2 (215.90) 7-1/8 (180.98) 4-3 5/64 (115.49) 6-3/8 (161.93) 6-29/32 (175.42) 54-31/32 (1396.21) 4-1/4 (107.95) 3 (76.20) 4-17/32 (115.09) 59-3/8 (1508.13) 3-1/2 (88.90) 1-1/2 (38.10) 21-9/16 (547.69) 6-1/8 (155.58) 4-17/32 (115.09) 9-1/2 (241.30) 7-3/4 (196.85) 5-1/32 (127.79) 7-1/4 (184.15) 8-7/32 (208.76) 57-29/32 (1470.82) 4-3/4 (120.65) 3 (76.20) 5 (127.00) 52-3/4 (1339.85) 5-5/8 (142.88) 2-7/8 (73.03) 22-1/16 (560.39) 7 (177.80) 5 (127.00)

UPPER DETENT MANDREL A B C D E F G H I

CONNECTOR SUB A B C D E F2.625 (66.675) 2-3/32 (53.162) 3.750 (95.250) 8.00 (203.20) 3-1/8 (79.38) 3.750 (95.250) 2.875 (73.03) 2-11/32 (59.53) 3.75 (95.25) 8 (203.20) 3-3/8 (85.73) 3.75 (95.25) 3-3/4 (95.25) 2.984 (75.79) 4.969 (126.21) 7-1/16 (179.39) 4-1/4 (107.95) 4.696 (126.21) 4-1/8 (104.78) 3-3/8 (85.73) 4.969 (126.21) 7-1/16 (179.39) 4-3/4 (120.65) 4.969 (126.21) 5-7/8 (149.23) 4-1/2 (114.30) 5-7/8 (149.23) 9-1/8 (231.78) 6-1/4, 6-1/2 (158.75-165.10) 5-7/8 (149.23) 6-1/8 (155.58) 4-1/2 (114.30) 5-53/64 (148.03) 9-7/32 (234.16) 7 (177.80) 5-53/64 (148.03) 6-1/8 (155.58) 4-1/2 (114.30) 5-25/32 (146.84) 9-19/64 (236.14) 7-1/4 (184.15) 5-25/32 (146.84) 6-7/8 (174.63) 5-1/2 (139.70) 6-1/2 (165.10) 10 (254.00) 7-3/4, 8 (196.85-203.20) 6-1/2 (165.10) 6-7/8 (174.63) 4-7/8 (123.83) 6-13/32 (162.72) 10-11/64 (258.37) 8-1/4 (209.55) 6-13/32 (162.72) 6-7/8 (174.63) 4-7/8 (123.83) 6-23/64 (161.53) 10-17/64 (260.75) 8-1/2 (215.90) 6-23/64 (161.53) 7-3/4 (196.85) 5-3/8 (136.53) 6-63/64 (177.40) 9-13/32 (238.92) 9-1/2 (241.30) 6-63/64 (177.40)

24



TABLES AND CHARTS

Table 7 (continued) Hydra-Jar Fishing DimensionsTool OD Tool ID3-1/8 (79.38) 1-1/4 (31.75) 3-3/8 (85.73) 1-1/2 (38.1) 4-1/4 (107.95) 2 (50.80) 4-3/4 (120.65) 2-1/4 (57.15) 6-1/4, 6-1/2 (158.75-165.10) 2-3/4 (69.85) 7 (177.80) 2-3/4 (69.85) 7-1/4 (184.15) 2-3/4 (69.85) 7-3/4, 8 (195.85-203.20) 3 (76.20) 8-1/4 (209.55) 3 (76.20) 8-1/2 (215.90) 3 (76.20) 9-1/2 (241.30) 3 (76.20)

NEUTRALIZER MANDREL A B C D E F2.00 (50.80) 7.500 (190.500) 1.813 (46.05) 1-1/4 (31.75) 2.25 (57.15) 7 21/32 (194.47) 2.063 (52.40) 1-1/2 (38.10) 2-7/8 (73.03) 7-7/16 (188.91) 2.520 (64.01) 2 (50.80) 3-5/16 (84.14) 7-1/8 (180.98) 2.770 (70.36) 2-1/4 (57.15) 87-3/4 (2228.85) 3-11/16 (93.66) 3.990 (101.35) 4 (101.60) 2.7904 (70.88) 4-3/4 (120.65) 45-5/16 (1150.94) 4 (101.60) 4 (101.60) 3 (76.20) 21-3/4 (552.45) 1-13/16 (46.04) 21-3/4 (552.45) 4-3/4 (120.65) 4-1/8 (104.78) 2.790 (70.87) 3.875 (98.43) 4.969 (126.21) 52-17/32 (1334.29) 4-3/8 (111.13) 7-1/16 (179.39) 3.5 (88.90) 2-3/4 (69.85) 93-15/16 (2386.00) 4-1/4 (197.95) 5.365 (136.27) 4 (101.60) 3.5204 (89.42) 6-1/4, 6-1/2 (158.75-165.10) 46-3/8 (1177.93) 5-3/8 (136.53) 5-3/8 (136.53) 4 (101.60) 22-5/16 (566.74) 1-3/4 (44.45) 22-5/16 (566.74) 6-1/4, 6-1/2 (158.75-165.10) 5-5/8 (142.88) 3.520 (89.41) 5 (127.00) 5.750 (146.05) 54-9/16 (1385.89) 4-3/8 (111.13) 8-9/32 (210.34) 3-3/4 (95.25) 2-3/4 (69.85) 92-23/32 (2355.06) 4-27/64 (112.32) 5-47/64 (145.65) 4 (101.60) 3-49/64 (95.65) 7 (177.80) 46-3/8 (1177.93) 5-3/4 (146.05) 5-3/4 (146.05) 5 (127.00) 21-3/16 (538.16) 4 (101.60) 21-3/16 (538.16) 7 (177.80) 5-3/4 (146.05) 3-49/64 (95.65) 5-1/2 (139.70) 6-1/8 (155.58) 54-5/8 (1387.78) 4-3/8 (111.13) 8-9/32 (210.34) 3-3/4 (95.25) 2-3/4 (69.85) 92-23/32 (2355.06) 4-27/64 (112.32) 5-47/64 (145.65) 4 (101.60) 3-49/64 (95.65) 7-1/4 (184.15) 46-3/8 (1177.93) 5-3/4 (146.05) 5-3/4 (146.05) 5 (127.00) 20-1/8 (511.18) 4 (101.60) 20-1/8 (511.18) 7-1/4 (184.15) 5-3/4 (146.05) 3-49/64 (95.65) 5-1/2 (139.70) 6-5/64 (154.38) 54-43/64 (1388.67) 5-1/4 (133.35) 8-5/8 (219.08) 4.530 (115.06) 3 (76.20) 99-5/8 (2530.48) 5-3/32 (129.38) 6.480 (164.59) 4 (101.60) 4.550 (1115.57) 7-3/4-8 (195.85-203.20) 50-1/4 (1276.35) 6-1/2 (165.10) 6-1/2 (165.10) 4-3/4 (120.65) 24-1/8 (612.78) 2 (50.80) 24-1/8 (612.78) 7-3/4, 8 (195.85-203.20) 6-7/8 (174.63) 4.550 (1115.57) 6-3/8 (161.93) 7 (177.80) 54-7/8 (1393.83) 4-3/4 (120.65) 6-1/2 (165.10) 4-17/32 (115.09) 3 (76.20) 98-1/4 (2495.55) 5 (127.00) 6-31/64 (164.70) 4 (101.60) 4-35/64 (115.49) 8-1/4 (209.55) 50-1/4 (1276.35) 6-1/2 (165.10) 6-1/2 (165.10) 5-1/2 (139.70) 23-1/8 (587.38) 4 (101.60) 23-1/8 (587.38) 8-1/4 (209.55) 6-7/8 (174.63) 4-35/64 (115.49) 6-3/8 (161.93) 6-61/64 (176.61) 54-59/64 (1395.02) 4-3/4 (120.65) 6-1/2 (165.10) 4-17/32 (115.09) 3 (76.20) 98-1/4 (2495.55) 5 (127.00) 6-31/64 (164.70) 4 (101.60) 4-35/64 (115.49) 8-1/2 (215.90) 50-1/4 (1276.35) 6-1/2 (165.10) 6-1/2 (165.10) 5-1/2 (139.70) 23-1/8 (587.38) 4 (101.60) 23-1/8 (587.38) 8-1/2 (215.90) 6-7/8 (174.63) 4-35/64 (115.49) 6-3/8 (161.93) 6-29/64 (163.91) 54-31/32 (1396.21) 5-1/4 (133.35) 9-1/8 (231.78) 5 (127.00) 3 (76.20) 94-3/8 (2397.13) 5 (127.00) 7-23/64 (186.93) 4 (101.60) 5-1/64 (127.40) 9-1/2 (241.30) 47 (1193.80) 7-3/8 (187.33) 7-3/8 (187.33) 6-1/2 (165.10) 22-1/2 (571.50) 2 (50.80) 22-1/2 (571.50) 9-1/2 (241.30) 7-3/4 (196.85) 5-1/32 (127.83) 7-1/4 (184.15) 8-7/32 (208.76) 57-29/32 (1470.82)

62-9/16 62-9/16 85 (1589.08) (1589.09) (2159.00) 2.406 (61.112) 2.480 (62.992) 3.00 (76.20) 1.833 (46.558) 3-1/8 (79.38) 32-5/8 (828.68) 2.500 (63.500) 2.500 (63.500) 1-15/16 (49.213) 14-13/16 (376.24) 3.00 (76.20) 14-13/16 (376.24) 3-1/8 (79.38) 2.625 (66.675) 1.833 (46.558) 2.475 (62.865) 3.750 (95.250) 34-1/2 (876.30) 2.406 (61.11) 2.730 (69.34) 3 (76.20) 2.083 (52.91) 3-3/8 (85.73) 28-5/8 (727.08) 2.75 (69.85) 2.75 (69.85) 2-3/16 (55.56) 12-13/16 (325.44) 3 (76.20) 12-13/16 (325.44) 3-3/8 (85.73) 2.875 (73.03) 2.083 (52.91) 2.775 (70.49) 4.375 (111.13) 31-5/8 (803.28) 3-11/16 (93.66) 3.615 (91.82) 4 (101.60) 2.530 (64.26) 4-1/4 (107.95) 45-1/4 (1149.35) 3-5/8 (92.08) 3-5/8 (92.08) 3 (76.20) 21-3/4 (552.45) 1-3/4 (44.45) 21-3/4 (552.45) 4-1/4 (107.95) 3-3/4 (95.25) 2.530 (64.26) 3.500 (88.90) 4.969 (126.21) 52-17/32 (1334.29)

NEUTRALIZER PISTON A B C

NEUTRALIZER CYLINDER A B C D E F G H

LOWER DETENT CYLINDER A B C D E F


25


TABLES AND CHARTS

Table 7 (continued) Hydra Jar Fishing DimensionsTool OD Tool ID3-1/8 (79.38) 1-1/4 (31.75) 2.406 (61.112) 7.687 (195.250) 27-3/4 (704.85) 3-3/8 (85.73) 1-1/2 (38.1) 2.656 (67.46) 4-1/16 (103.19) 35-9/32 (896.14) 2.063 (52.40) 1-1/2 (38.10) 4-1/4 (107.95) 2 (50.80) 3-3/8 (85.73) 12 (304.80) 41-1/2 (1054.10) 2.520 (64.01) 2 (50.80) 4-3/4 (120.65) 2-1/4 (57.15) 3-3/8 (85.73) 10-1/2 (266.70) 42 (1066.8) 2.770 (70.36) 2-1/4 (57.15) 6-1/4, 6-1/2 (158.75-165.10) 2-3/4 (69.85) 4-3/4 (120.65) 12-3/8 (314.33) 42 (1066.8) 3.5 (88.90) 2-3/4 (69.85) 7 (177.80) 2-3/4 (69.85) 5-1/4 (133.35) 8-15/32 (215.11) 45-29/32 (1166.12) 3-3/4 (95.25) 2-3/4 (69.85) 7-1/4 (184.15) 2-3/4 (69.85) 5-1/4 (133.35) 13-31/32 (354.81) 40-13/32 (1026.31) 3-3/4 (95.25) 2-3/4 (69.85) 7-3/4, 8 (195.85-203.20) 3 (76.20) 6-1/8 (155.58) 13 (330.20) 41-3/4 (1060.45) 4.530 (115.06) 3 (76.20) 8-1/4 (209.55) 3 (76.20) 6-1/8 (155.58) 8-1/2 (215.90) 40-1/4 (1022.35) 4-17/32 (115.09) 3 (76.20) 8-1/2 (215.90) 3 (76.20) 6-1/8 (155.58) 8-1/2 (215.90) 40-1/4 (1022.35) 4-17/32 (115.09) 3 (76.20) 9-1/2 (241.30) 3 (76.20) 6-7/8 (175.63) 13-1/4 (336.55) 43-5/8 (1108.08) 5 (127.00) 3 (76.20)

LOWER DETENT MANDREL A B C D E

1.813 (46.05)1-1/4 (31.75)

LOWER SUB A B C D E F G H I3-1/8 (79.38) 2-7/8 (73.03) 3-1/8 (79.38) 1-1/4 (31.75) 5-5/8 (142.88) 14-3/4 (374.65) 18.750 (476.250) 3 (76.20) 1-15/16 (49.21) 3-3/8 (85.73) 3-1/8 (79.38) 3-3/8 (85.73) 1-1/2 38.10 7-1/4 (184.15) 18 (457.20) 13-3/8 (339.73) 2-7/8 (73.03) 2-3/16 (55.56) 4-1/4 (107.95) 4 (101.60) 4-1/4 (107.95) 2 (50.80) 12-3/4 (323.85) 18 (457.20) 13-1/2 (342.90) 3-1/2 (88.9) 2-3/4 (69.85) 4-3/4 (120.65) 4 (101.60) 4-3/4 (120.65) 2-1/4 (57.15) 12-3/4 (323.85) 18 (457.20) 13 (330.20) 4 (101.60) 3 (76.20) 61/4, 61/2 (158.75-165.10) 5 (127.00) 6-1/4, 6-1/2 (158.75-165.10) 2-3/4 (69.85) 11-3/4 (298.45) 17-13/16 (452.44) 14-13/16 (376.24) 4-1/2 (114.30) 3-3/4 (95.25) 7 (177.80) 5-1/2 (139.70) 7 (177.80) 2-3/4 (69.85) 11-3/4 (298.45) 17-13/16 (452.44) 19-5/16 (490.54) 5 (127.00) 4 (101.60) 7-1/4 (184.15) 5-1/2 (139.70) 7-1/4 (184.15) 2-3/4 (69.85) 11-23/64 (288.53) 18-13/64 (462.46) 19-5/16 (490.54) 5 (127.00) 4 (101.60) 7-3/4-8 (195.85-203.20) 6-3/4 (171.45) 7-3/4-8 (195.85-203.20) 3 (76.20) 12 (304.80) 18 (457.20) 15 (381.00) 5 (127.00) 4-3/4 (120.65) 8-1/4 (209.55) 6-1/2 (165.10) 8-1/4 (209.55) 3 (76.20) 11-9/16 (293.68) 18-7/16 (468.31) 15 (381.00) 5 (127.00) 4-3/4 (120.65) 8-1/2 (215.90) 6-1/2 (165.10) 8-1/2 (215.90) 3 (76.20) 11-11/64 (283.77) 19-13/64 (487.76) 14-5/8 (371.48) 5 (127.00) 4-3/4 (120.65) 9-1/2 (241.30) 8-1/2 (215.90) 9-1/2 (241.30) 3 (76.20) 11-3/4 (298.45) 18 (457.20) 16 (406.40) 5-1/4 (133.35) 5-1/8 (130.18)

KNOCKER A B C D E F G2.500 (63.500) 7-1/8 (180.98) 1.900 (48.260) 1.680 (42.627) 1-1/4 (31.75) 3-3/8 (85.73) 3-1/4 82.55 2.730 (69.34) 7-1/8 (180.98) 2.150 (54.61) 1.941 (49.30) 1-1/2 (38.10) 1-15/16 (49.21) 3-1/4 (82.55) 3-9/16 (90.49) 10-3/8 (263.53) 2.900 (73.66) 2.400 (60.96) 2 (50.80) 5 (127.00) 4-3/8 (111.13) 3-7/8 (98.43) 10-3/8 (263.53) 3.150 (80.01) 2.650 (67.31) 2-1/4 (57.15) 5 (127.00) 4-3/8 (111.13) 5-1/4 (133.35) 11-7/8 (301.63) 4.050 (102.87) 3.337 (84.76) 2-3/4 (69.85) 5-7/8 (149.23) 5 (127.00) 5-3/4 (146.05) 12-5/8 (320.68) 4.362 (110.80) 3.400 (86.36) 2-3/4 (69.85) 6-3/8 (161.93) 5-1/4 (133.35) 5-3/4 (146.05) 12-5/8 (320.68) 4.362 (110.80) 3.400 (86.36) 2-3/4 (69.85) 6-3/8 (161.93) 5-1/4 (133.35) 6-1/2 (165.10) 13-15/16 (354.01) 4.925 (125.10) 4.306 (109.37) 3 (76.20) 6-1/2 (165.10) 6-7/16 (163.51) 6.750 (171.45) 13-15/16 (354.01) 5.175 (131.45) 4.170 (105.92) 3 (76.20) 6-1/2 (165.10) 6-7/16 (163.51) 6.750 (171.45) 13-15/16 (354.01) 5.175 (131.45) 4.170 (105.92) 3 (76.20) 6-1/2 (165.10) 6-7/16 (163.51) 7.125 (180.98) 12.000 (304.80) 5.885 (149.48) 4.635 (117.73) 3 (76.20) 6-1/8 (155.58) 4-7/8 (123.83)

26



TABLES AND CHARTSPUMP PRESSURE EXTENSION CHART

40

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6.0 Jar

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rea

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. W.P

Are

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0

250

500

750

1000 1250

1500

1750

2000

2250 2500

2750 3000

DIFFERENTIAL PRESSURE ( P) PSIFigure 18


27


TABLES AND CHARTSFigure 19

Full DetentDrilling Jar in the fully opened (or closed) position, prior to striking.

Short DetentDrilling Jar in a partially opened (or closed) position, prior to striking.

Delay TimeThe time elapsed between cocking and firing the Drilling Jar. Hole drag not accounted for in Figure 19.

Test LoadFunctional test performed at service centers.

28


he drilling jars

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