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Permeability Plugging Tester - P.P.T.
4,000 PSI (27,600 kPa) - 500°F (260°C)
Part No. 171-84 (115V)
Part No. 171-84-01 (230V)
Instruction Manual
Updated 1/4/2017
Ver. 3.0
OFI Testing Equipment, Inc.
11302 Steeplecrest Dr. · Houston, Texas · 77065 · U.S.A.
Tele: 832.320.7300 · Fax: 713.880.9886 · www.ofite.com
Copyright OFITE 2013
©
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- Page 1 4,000 PSI (27,600 kPa) - 500°F (260°C) Part No. 171-84 (115V) Part No. 171-84-01 (230V) Instruction Manual Updated 1/4/2017 Ver. 3.0 OFI Testing Equipment, Inc. 11302 Steeplecrest Dr. · Houston, Texas · 77065 · U.S.A. Tele: 832.320.7300 · Fax: 713.880.9886 · www.ofite.com Copyright OFITE 2013 ©...
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Page 2: Table Of Contents
Operation..................9 Preparation .................9 Loading the Cell ................10 Test Procedure ................15 Disassembly .................16 Reporting Data ................18 Calculations ..................18 Maintenance ..................19 Warranty and Return Policy ............20 OFITE, 11302 Steeplecrest Dr., Houston, TX 77065 USA / Tel: 832-320-7300 / Fax: 713-880-9886 / www.ofite.com... -
Page 3: Intro
The PPT is very useful in predicting how a drilling fluid can form a low permeable filter cake to seal off depleted, under pressured intervals and help prevent differential sticking. -
Page 4: Specifications
Shipping Dimensions: 30" × 18" × 17" (76.2 × 45.7 × 43.2 cm) 800W Heater 316 Stainless Steel Test Cell Maximum Temperature: 500°F (260°C) Maximum Pressure: 4,000 PSI (27,600 kPa) OFITE, 11302 Steeplecrest Dr., Houston, TX 77065 USA / Tel: 832-320-7300 / Fax: 713-880-9886 / www.ofite.com... -
Page 5: Components
Adapter, ⅛" NPT × ¼" Hose Barb #171-92-1 Relief Valve, 4000 PSI #171-96 Handpump #171-96-1 Hydraulic Oil, 1 Quart #171-98 Ball Valve for Inlet Pressure Line, ¼" OFITE, 11302 Steeplecrest Dr., Houston, TX 77065 USA / Tel: 832-320-7300 / Fax: 713-880-9886 / www.ofite.com... - Page 6 Valve Stem, Filtrate Outlet #171-90-10 Valve Stem, Receiver Entry, Qty: 2 #171-96-1 Hydraulic Oil, 1 Quart, Qty: 2 #171-99 O-ring for Piston, Qty: 12 OFITE, 11302 Steeplecrest Dr., Houston, TX 77065 USA / Tel: 832-320-7300 / Fax: 713-880-9886 / www.ofite.com...
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Page 7: Safety
6. Make sure the electrical source is fused and grounded. Verify the power cord on the heating jacket is in good condition and has the proper ground connection. OFITE, 11302 Steeplecrest Dr., Houston, TX 77065 USA / Tel: 832-320-7300 / Fax: 713-880-9886 / www.ofite.com... - Page 8 It is strongly recommended the instruction manual be attached to the apparatus and read completely prior to the initial operation by anyone unfamiliar with the equipment. OFITE, 11302 Steeplecrest Dr., Houston, TX 77065 USA / Tel: 832-320-7300 / Fax: 713-880-9886 / www.ofite.com...
- Page 9 Safety Bleeder Valve (#153-14) (#171-92-1) Inlet Valve (#171-98) Hose (#171-27) Hydraulic Pump (#171-96) Hydraulic Oil (#171-96-1) T-Handle (#171-95) Thermometer (#154-20) Allen Wrench (#170-27) Spacer (#170-72) OFITE, 11302 Steeplecrest Dr., Houston, TX 77065 USA / Tel: 832-320-7300 / Fax: 713-880-9886 / www.ofite.com...
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Page 10: Operation
Ceramic Filter Disk, 15 darcy, 50 micron, 2½" × ¼" #170-53-1 Ceramic Filter Disk, 20 darcy, 55 micron, 2½" × ¼" #170-53-4 Ceramic Filter Disk, 40 darcy, 120 micron, 2½" × ¼" OFITE, 11302 Steeplecrest Dr., Houston, TX 77065 USA / Tel: 832-320-7300 / Fax: 713-880-9886 / www.ofite.com... -
Page 11: Loading The Cell
Position the piston with the T- handle so that it comes into contact with the inlet cell cap. T-Handle O-rings Piston Piston Piston with T-Handle OFITE, 11302 Steeplecrest Dr., Houston, TX 77065 USA / Tel: 832-320-7300 / Fax: 713-880-9886 / www.ofite.com... - Page 12 10. Close the inlet ball valve by turning it 90° to the direction of flow. 11. Remove the T-handle from the piston and cell. 12. Prepare the test fluid according to API Specifications. OFITE, 11302 Steeplecrest Dr., Houston, TX 77065 USA / Tel: 832-320-7300 / Fax: 713-880-9886 / www.ofite.com...
- Page 13 17. Screw the outlet valve stem assembly into the cell cap. Loosen it one half turn. Fill With Base Fluid To Back Pressure Ball Valve To Cell Cap Receiver (#171-90-10) (#171-97) (#171-90-09) OFITE, 11302 Steeplecrest Dr., Houston, TX 77065 USA / Tel: 832-320-7300 / Fax: 713-880-9886 / www.ofite.com...
- Page 14 6 threads are exposed. Puncture the CO bulb and apply the appropri- ate amount of back pressure to the receiver for the desired test tempera- ture. OFITE, 11302 Steeplecrest Dr., Houston, TX 77065 USA / Tel: 832-320-7300 / Fax: 713-880-9886 / www.ofite.com...
- Page 15 3. Cylinder shear - elevated areas along the end of the cell bodies 4. Cylinder stress - stress cracking or severe pitting will appear on the cell body OFITE, 11302 Steeplecrest Dr., Houston, TX 77065 USA / Tel: 832-320-7300 / Fax: 713-880-9886 / www.ofite.com...
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Page 16: Test Procedure
Record the total amount of liquid recovered, including the spurt loss. 6. Turn the T-handle on the air regulator clockwise to stop adding pressure to the back pressure receiver. OFITE, 11302 Steeplecrest Dr., Houston, TX 77065 USA / Tel: 832-320-7300 / Fax: 713-880-9886 / www.ofite.com... -
Page 17: Disassembly
Stroke the pump until the pressure pushes the ceramic disk out of the cell. c. Then re-open the pressure relief valve on the pump. OFITE, 11302 Steeplecrest Dr., Houston, TX 77065 USA / Tel: 832-320-7300 / Fax: 713-880-9886 / www.ofite.com... - Page 18 Also make sure to clean the outlet valve assembly. Inspect all o-rings and replace any that show signs of damage or wear. OFITE, 11302 Steeplecrest Dr., Houston, TX 77065 USA / Tel: 832-320-7300 / Fax: 713-880-9886 / www.ofite.com...
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Page 19: Reporting Data
= Filtrate volume after 7.5 minutes Static Filtration Rate = 2 ( V ) / 2.739 Where: = Static Filtration Rate (velocity of flow) OFITE, 11302 Steeplecrest Dr., Houston, TX 77065 USA / Tel: 832-320-7300 / Fax: 713-880-9886 / www.ofite.com... -
Page 20: Maintenance
3. Periodically inspect valve stems for damage or wear. Replace any that no longer have a sharp point on the end. OFITE, 11302 Steeplecrest Dr., Houston, TX 77065 USA / Tel: 832-320-7300 / Fax: 713-880-9886 / www.ofite.com... -
Page 21: Warranty And Return Policy
In the event that OFITE is requested to provide customized research and development for the buyer, OFITE shall use its best efforts but makes no guarantees to the buyer that any products will be provided. OFITE makes no other warranties or guarantees to the buyer, either express or implied,...