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25 

 

SECTION 6 

PARTS LIST 

 

(Item Numbers Refers to Fig. 8) 

 

ITEM NO.  PART NO. 

DESCRIPTION 

1 

 

STAGE, LEGS & BASE 

2 

209471 

CO2 PRESSURIZED ASSEMBLY 

3 

205091 

RETAINER WRENCH 

4 

 

LEVER 

5 

206915 

CELL BODY 

6 

206916 

CELL CAP 

7 

206917 

CELL SCREEN HOLDER 

 8 

206918 

FILTER RETAINER RING 

9 

206913 

FLAT BOTTOMED TORQUE PLATE 

10 

206908 

RUBBER RING 

11 

206909 

PLASTIC RING 

12 

207232 

SUPPORT SCREEN 

13 

206910 

LOCKING MESH DISC 

15 

206914 

SPHERICAL TORQUE PLATE 

16 

206056 

FILTER PAPER 

17 

209496 

VALVE STEM 

18 

205649 

“O” RING 3/16 x 5-1/16 x 1/16 

19 

205662 

“O” RING 2-1/4 x 2-1/2 x 1/8 

20 

203374 

5/16-18 x 3/8 SS ALLEN CAP SCREW 

21 

205652 

“O” RING 1/2 x 3/8 x 1/16 

22 

205665 

“O” RING 3-3/4 x 3-1/2 x 1/8 

23 

205640 

SPANNER WRENCH 

24 

205639 

TORQUE WRENCH 

25 

208608 

BOX OF CO2 CARTRIDGES 

26 

203376 

5/16-18 x ¾ SS BOLT 

27 

209516 

LOCK PIN 

28 

206202 

LOCK WASHER, 5/16 

29 

205868 

GRADUATED CYLINDER, 25ml TC 

30 

205636 

SOCKET, 5/16 

 

 
 
 

 

Содержание 21150

Страница 1: ...Model 21150 Differential Sticking Tester Instruction Manual Instruction Manual Part No 206907 Rev D ...

Страница 2: ...al without first receiving the written permission of Fann Instrument Company Houston Texas U S A Printed in U S A NOTE Fann reserves the right to make improvements in design construction and appearance of our products without prior notice FANN is a registered trademark of Fann Instrument Company Fann Instrument Company P O Box 4350 Houston Texas U S A 77210 Telephone 281 871 4482 Toll Free 800 347...

Страница 3: ...ns and Theory of Measurements 13 5 Cleaning and Maintenance 21 6 Parts List 25 FIGURES 1 Cell Assembly 5 2 Cell Section 6 3 Closing and Opening Cell Opening shown 9 4 Sticking The Torque Plate 10 5 Measuring Sticking 10 6 Work Sheet 18 7 Exploded View Pressure Regulator 19 8 Exploded View Differential Sticking Tester 24 ...

Страница 4: ...iv ...

Страница 5: ...2 regulator assembly or from any nitrogen source If Nitrogen is to be used the Differential Sticking Tester must be fitted with a suitable Nitrogen regulator gauges relief valve hose and fittings The tests use 477 5 psi 3292 kph differential pressure applied to a stainless steel vessel of approximately 200 ml capacity The measurement can be made using either the flat faced torque plate or the 12 1...

Страница 6: ...2 ...

Страница 7: ... good condition and leaks should be found and corrected If Nitrogen is being used periodically test the safety relief valve to verify they will relieve if excessive pressure should occur Never plug or bypass the safety valve 3 Before pressurizing the Differential Sticking Tester always check to be sure the regulator tee screw is backed out until free turning thereby putting the regulator in the cl...

Страница 8: ... the bench and not close to the edge and that the groove in the lever is fit under the top leg support before pressing down and holding the lever to stick the torque plate Refer to Fig 4 Use caution that the lever does not slip and cause an accident ...

Страница 9: ...5 ...

Страница 10: ...6 ...

Страница 11: ...lding the gaskets centered screw the hold down retainer ring 8 over the gaskets Use the ring wrench 3 and tighten securely 3 Insert the threaded end of one valve stem 17 into the bottom center hole of the cell and screw in as far as possible hand tight 4 Fill the cell to the scribe line with the drilling fluid sample to be tested This is 1 4 in 6 3 mm from the top 5 Set the cell on its stand 1 mat...

Страница 12: ...tinue to hold the torque plate all the way down against the screen until pressures equalize sufficiently to allow the plate to stick This is usually about two minutes and will require 50 to 80 pounds 23 to 36 kg of force on the end of the lever 5 Record the filtrate volume at this time 6 Allow the plate to stick for 10 minutes 7 Assemble the socket 30 on the torque wrench 24 Place the torque wrenc...

Страница 13: ...9 ...

Страница 14: ...10 ...

Страница 15: ...orque plate off the cake Note the diameter of the depression from the torque plate if this is less than 2 inches or if any cake is adhering to the edge of the torque plate estimate the edge height from the filter paper NOTE If the cake is stuck to the torque plate rather than to the filter paper the test is invalid Repeat the test using the locking mesh in Step A 1 above 9 If not already removed i...

Страница 16: ...12 ...

Страница 17: ...adius d plate since only in the case of high caking drilling fluids will the flat plate provide comparative readings to the radius d plate The flat plate does not take into account collar to well bore or drill stem to casing geometry for the caking area component of the Kst coefficient The difference between the flat plate and radius d plate in the Ksc measurements is that the radius d plate requi...

Страница 18: ...cake around edge of plate inches P cell pressure psi differential inlet to outlet r variable radius dr incremental radius τy shear on incremental area Fs sliding force Fn normal force on plate Ksc bulk sticking coefficient Kst stuck tendency coefficient A stuck area radius d plate Ae stuck area edge 1 The Sliding Force Fs a Calculation for use when neglecting edge effects is derived from the measu...

Страница 19: ...nce of the cake deposition up the edge 2 The normal force Fn The differential or normal force Fn on the plate is derived by multiplying the area by the differential pressure Considering edge effects With edge effects R 1 inch Then assuming the recommended pressure of 477 5 psi 3292 kPa C The Bulk Sticking Coefficient Ksc The bulk sticking coefficient Ksc is the ratio of the sliding force to the no...

Страница 20: ...292 kPa And for R 1 inch 2 Taking into account edge effects For a standard pressure of 477 5 psi 3292 kPa and R 1 inch The Stuck Tendency Coefficient Kst is NOTE Kst is not valid for the flat plate because the stuck area is either 0 or 3 14 in2 R 1 and not a variable ...

Страница 21: ...m 39 inch pounds 44 93 kg cm 40 inch pounds 46 08 kg cm and 41 inch pounds 47 23 kg cm The drilling fluid sample has an average 039 Stuck Tendency Coefficient The pressure is removed and the cell is opened carefully leaving the torque plate set in the cake The cake torque plate assembly is washed and the torque plate is turned not lifted loose The diameter of the imprint of the torque plate impres...

Страница 22: ...18 ...

Страница 23: ...19 Fig 7 Exploded View Pressure Regulator ...

Страница 24: ...20 ...

Страница 25: ...d paper Deeper corrosion pitting may be removed by sand blasting the area of the corrosion More severe corrosion will require re machining or re surfacing the inside of the cell If severe corrosion is evident the cell should be replaced 2 O Rings Inspect all O rings as they are being cleaned for cuts or nicks Replace any damaged O rings Lubricate O rings before they are installed For most applicat...

Страница 26: ...elieved Under pressure gas can dangerously propel a loose part 6 Before transporting gas cylinders remove regulator and recap cylinder 7 Keep cylinder hand wheel or wrench on open cylinder valve at all times for prompt emergency cutoff 8 Check regulator and all connections for leaks after installation periodically thereafter and after any service in which parts or connections were disconnected and...

Страница 27: ...isassembly and reassembly is as shown in Fig 7 Using a wrench on the hex of the spring cap unscrew the spring case All parts down to and including the diaphragm will remain in the spring case Remove the thrust plate then unscrew the retainer and remove the seat with the pin Inspect the regulator as follows 1 Thorough cleaning of all parts is essential Make sure that small orifices are open 2 Make ...

Страница 28: ...24 ...

Страница 29: ... RING 12 207232 SUPPORT SCREEN 13 206910 LOCKING MESH DISC 15 206914 SPHERICAL TORQUE PLATE 16 206056 FILTER PAPER 17 209496 VALVE STEM 18 205649 O RING 3 16 x 5 1 16 x 1 16 19 205662 O RING 2 1 4 x 2 1 2 x 1 8 20 203374 5 16 18 x 3 8 SS ALLEN CAP SCREW 21 205652 O RING 1 2 x 3 8 x 1 16 22 205665 O RING 3 3 4 x 3 1 2 x 1 8 23 205640 SPANNER WRENCH 24 205639 TORQUE WRENCH 25 208608 BOX OF CO2 CARTR...

Страница 30: ...eturn of Items For your protection items being returned must be carefully packed to prevent damage in shipment and insured against possible damage or loss Fann will not be responsible for damage resulting from careless or insufficient packing Before returning items for any reason authorization must be obtained from Fann Instrument Company When applying for authorization please include information ...

Страница 31: ...27 ...

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