OfiTE 171-84 Instruction Manual Download

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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

Summary of Contents for 171-84

Page 1: ...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 ...

Page 2: ...ax 713 880 9886 www ofite com 1 Intro 2 Description 2 Specifications 3 Components 4 Safety 6 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 Table of Contents ...

Page 3: ... scribed outlet cap for the ceramic filter disks The outlet end of the cell has a 6 35 mm deeper recess than a standard cell to allow for the ceramic disk as a filter medium The end cap used with the 6 35 mm disk has a scribed concentric pattern rather than the conventional screen Filter paper or other thin filter medium may be used with this cap by using the spacer ring 170 72 to fill the extra 6...

Page 4: ...6 www ofite com 3 Specifications Weight 61 lbs 27 7 kg Dimensions 15 25 42 38 1 63 5 106 7 cm Shipping Weight 90 lbs 40 8 kg 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 ...

Page 5: ...170 72 Spacer for Filter Paper 171 84 03 Strap Wrench 171 85 Cell Assembly 500 mL Double Cap Complete 171 85 002 Cell Cap Inlet 171 86 1 Cell Body 171 88 1 Cell Cap Outlet Scribed 171 88 2 Cell Cap with Screen Outlet Scribed 171 93 Piston 171 95 T handle for Piston Inlet Pressuring 171 27 Hose 5000 6 Feet 171 41 Gauge 5000 PSI 2 Face Bottom Connection 171 84 02 Reducing Bushing MNPT FNPT 171 90 02...

Page 6: ...for Airco Regulator 143 02 13 O ring for Puncture Pin Holder Assembly CO2 Cartridge Qty 2 143 02 14 O ring for Puncture Pin Assembly Qty 2 143 05 CO2 Bulbs EZ Puncture PKG 10 UN 1013 Qty 30 143 07 Repair Kit for Regulator 153 14 Graduated Cylinder 50 mL 1 mL Glass Qty 2 154 20 Thermometer with Metal Dial 8 Stem Dual Scale 50 500 F 0 250 C 165 44 1 High Temperature Thread Lubricant 1 oz Tube Qty 2 ...

Page 7: ...rize the back pressure receiver Never connect it to compressed air oxygen or other non recommended gas If nitrogen is used it must be supplied in an approved nitrogen gas cylinder and it must be secured to meet safety standards CO2 is normally supplied in small bulbs which contain about 900 PSI and are frequently used for field operations Do not allow these bulbs to be heated or exposed to fire as...

Page 8: ...s indicate an elec trical repair job may be required Always disconnect the power cables before attempting any repair 8 The filtration cell assembly is a pressure vessel and these safety precau tions should be followed a Cell bodies that show signs of stress cracking severe pitting or have damaged threads must not be used b Cell caps showing evidence of damaged or deformed threads must not be used ...

Page 9: ...ell Rest Plunger 171 94 Inlet Valve Stem 171 90 08 Gauge 171 41 Graduated Cylinder 153 14 Inlet Valve 171 98 Hydraulic Pump 171 96 Thermometer 154 20 Spacer 170 72 Allen Wrench 170 27 T Handle 171 95 Hydraulic Oil 171 96 1 Hose 171 27 Safety Bleeder Valve 171 92 1 Quick Connect Female 171 90 02 Quick Connect Male 171 90 03 Hose Barb 171 90 14 Retainer Pin 171 23 1 Back Pressure Receiver 171 10 Ret...

Page 10: ...ature should read 10 F 6 C above the desired test temperature If it is not adjust the thermostat 4 Before using the ceramic disk soak it for at least 10 minutes in base fluid Use water for freshwater based fluids brine for saltwater based fluids diesel for oil based fluids and a synthetic base for synthetic based fluids Never reuse a disk except for return permeability studies Below is a list of c...

Page 11: ...k Grease to the threads on the cell caps 3 Position the cell upright with the inlet or shallow recess facing upwards Check the o ring recess to make sure it is clean Carefully insert an o ring 170 13 3 inside the cell recess and cell caps 4 Find the cell cap labeled IN Using the spanner wrench carefully screw the cell cap into the cell body 5 Screw the T handle into the piston and place it inside ...

Page 12: ...ssurizing hose with the 2 0 cm ball valve and quick connect fitting to the inlet valve stem assembly Make sure the quick connect fittings are completely attached Pull down hard on the ring on the femal fitting Inlet Valve Stem 171 90 08 Quick Connect Fitting 171 90 03 Ball Valve Quick Connect Fitting 9 Open the inlet ball valve Turn the pressure release knob on the hydraulic pump clockwise to clos...

Page 13: ...body rotation while installing the outlet end cap If you are using filter paper instead of a ceramic disk use the provided screened cell cap to prevent tearing The screened cap is 2 thicker to account for the missing disk 16 The space between the filter medium and the ball valve should be filled with base fluid prior to starting the test This will ensure that the volume of filtrate passing through...

Page 14: ... onto the top of the valve stem assembly Be careful to not rotate the valve assembly Lock the receiver in place with the safety pin and lanyard Be sure that the pin is all the way in The outlet drain valve on the receiver should be in the closed position Connect to CO2 Pressure Assembly 171 90 10 Outlet Valve Drain 170 32 Safety Pin 171 23 1 21 Attach the CO2 pressure assembly to the valve stem on...

Page 15: ...is heating the pressure inside will rise due to the thermal expansion Use the pump to release hydraulic oil and prevent over pressurization Maintain the pressure on the fluid until the desired tem perature is stabilized as indicated by the thermometer Use the hydraulic pump s pressure release valve to regulate and maintain the pressure The heating time of the sample should never exceed one hour Wh...

Page 16: ... pressure and test temperature within 5 F 3 C 3 During filtration collection the pressure in the cell will tend to decrease so it will be necessary to apply additional hydraulic pressure to maintain a constant pressure 4 If the back pressure rises during the test cautiously reduce the pressure by opening the drain valve on the receiver and drawing off some of the filtrate into the graduated cylind...

Page 17: ...ve assembly Leave the inlet valve assembly connected to the cell 6 Allow the cell to cool in the heating jacket The temperature of the sample in the cell must be less than 100 F 46 5 C before the cell can be safely opened 7 Once the cell has cooled remove it from the heating jacket 8 Reconnect the pump to the inlet valve assembly Make sure the pressure release valve on the pump is open 9 Slowly op...

Page 18: ...mp 15 Close the pressure relief valve on the pump and close the inlet ball valve 16 Disconnect the pump from the inlet valve assembly 17 Remove the inlet valve assembly cell cap and piston Be aware that some hydraulic fluid will remain in the cell 18 Clean and dry the entire cell assembly Pay close attention to the threads on the cell body and cell caps Also make sure to clean the outlet valve ass...

Page 19: ...e mud when it passed through the filter In most cases the goal is to eliminate or minimize the amount of whole mud in the spurt and in the 30 minute test 3 After the test is complete remove the ceramic disk from the test cell and wash it very lightly with base fluid Measure the filter cake thickness to the nearest 1 32 0 8 mm Although cake descriptions are subjective such notations such as hard so...

Page 20: ...oughly after each test Make sure all threads are clean and free of debris Blow air through all valve stems and fittings to clean out any remaining material 2 Before each test lubricate all o rings with high temperature grease to ensure a proper fit and increased life 3 Periodically inspect valve stems for damage or wear Replace any that no longer have a sharp point on the end ...

Page 21: ...occur as a result of Improper installation or maintenance of the products Misuse Neglect Adjustment by non authorized sources Improper environment Excessive or inadequate heating or air conditioning or electrical power failures surges or other irregularities Equipment products or material not manufactured by OFITE Firmware or hardware that have been modified or altered by a third party Consumable ...

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