OfiTE MB HTHP Bedienungsanleitung

Model MB HTHP Filter Press

171-50 (115V)

171-51 (230V)

For temperatures up to 350°F (177°C)

Instruction Manual

Updated 5/6/2011

Ver. 2.1

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 2011

Table of

Contents

Intro.......................................................................................................2

Specifications ......................................................................................2

Components.........................................................................................3

Safety ....................................................................................................6

Procedure .............................................................................................7

OFITE, 11302 Steeplecrest Dr., Houston, TX 77065 USA / Tel: 832-320-7300 / Fax: 713-880-9886 / www.ofite.com 1

The OFITE Model MB HTHP Filter Press is designed to test drilling fluids

and cement under elevated temperatures and pressures. This simulates

various downhole conditions and provides a reliable method for determin-

ing the effectiveness of the material being tested. The complete assembly

consists of a controlled pressure source, regulators, a high pressure cell, a

system for heating the cell, a pressurized collection cell able to maintain

proper back pressure in order to prevent flashing or evaporation of the fil-

trate, and a suitable stand.

Size: 19" x 21" x 28" (49 x 54 x 72 cm)

Weight: 40 lbs. (18.2 kg)

Shipping Size: 23" x 13" x 13" (59 x 33 x 33 cm)

Shipping Weight: 50 lbs. (22.8 kg)

Maximum Temperature: 350°F (176°C)

Maximum Pressure: 1,500 PSI (10,342.5 kPa)

Pressure Source: 2 CO2Cartridges

Test Cell Capacity: 250 mL

Voltage: #171-50: 115V; #171-51-C: 230V

Heater: 200 Watt

OFITE, 11302 Steeplecrest Dr., Houston, TX 77065 USA / Tel: 832-320-7300 / Fax: 713-880-9886 / www.ofite.com 2

Specifications

Intro

Components #153-16 Glass Graduated Cylinder; 25 mL x 2/10 mL

#153-55 Silicone Stopcock Grease; 150 g Tube

#154-10 Dual-Scale Thermometer with Metal Dial; 5" Stem; 50 - 500°F; 0

- 250°C

#170-19 2½" (6.35 cm) Filter Paper; Specially Hardened for Filter

Presses

#171-56 Complete HTHP Cell

#170-34 ¼" x ¼" NPT Male Needle Valve; Qty: 2

#171-72 T-handle for Needle Valve; Qty: 2

#171-64 Male Coupling; Qty: 2

#171-60 HTHP Cell

#171-78 Locking Screw; Qty: 3

#171-52 O-ring; 2 5/16" x 2½" x 3/32"

#171-62 Cell Lid

#171-57 HTHP Regulator Assembly

#142-58 O-ring for HTHP Coupling

#143-02-10 CO2Puncture Head Assembly

#143-03 Barrel for CO2Cartridge

#144-15 Plated Brass Bushing; ¼" NPT Male to 1/8" NPT Female;

Qty: 2

#170-34 ¼" x ¼" NPT Male Needle Valve

#171-53 High-Pressure Regulator

#171-73-1 1000-PSI Gauge; 1/8" Bottom; 1½" Face

#171-74-1 2000-PSI Gauge; 1/8" Bottom; 1½" Face

#171-76 Female Coupling for Top Valve

#171-77 Coupling Ring for Top Valve

#171-58 HTHP Complete Back Pressure Receiver

#142-37 Victor Regulator

#142-58 O-Ring for HTHP Coupling

#142-61 200-PSI Gauge; 2"; ¼" Bottom Connection

#143-02-10 CO2Puncture Head Assembly

#143-03 Barrel for CO2Cartridge

#143-06 Safety Bleeder Valve

#143-09 200-PSI Relief Valve

#170-07 O-ring; Qty: 2

#170-32 1/8" x 1/8" NPT Male Needle Valve

#171-66 Stainless Steel Receiver Tube

#171-75 Receiver Body

#171-79 ¼" Hex Wrench

OFITE, 11302 Steeplecrest Dr., Houston, TX 77065 USA / Tel: 832-320-7300 / Fax: 713-880-9886 / www.ofite.com 3

#171-50 HTHP Filter Press Without Case (115V):

#171-55 HTHP Heating Jacket and Stand; 115V

#142-58 O-ring for HTHP Coupling

#170-07 O-Ring

#170-11 Heating Element; 115V; 200W; Qty: 4

#171-54 Fuse

#171-59 Stand; Base and Leg

#171-59-1 Micarta Insulator Strip

#171-61 Heating Block Jacket

#171-63 Dial Plate for Thermostat

#171-65 Fuse Block

#171-67 Thermostat Knob

#171-68 Red Pilot Light

#171-69 White Pilot Light

#171-70-1 Waterproof Thermostat Cover

#171-71 Thermostat

#171-71-1 Thermostat Space Plate

#171-71-2 Sleeve and Nut for Thermostat

#171-82 Power Cord with Male Plug Only; 8'; 16/3 SJ; Round

#171-51 HTHP Filter Press Without Case (230V):

#171-55-1 HTHP Heating Jacket and Stand; 230V

#142-58 O-ring for HTHP Coupling

#164-32 Male Connector for Power Cable; 230V

#165-40-2 18 Gauge Cable; 3-Conductor; SJ00W; Qty: 8

#170-07 O-Ring

#170-11 Heating Element; 115V; 200W; Qty: 4

#171-54 Fuse

#171-59 Stand; Base and Leg

#171-59-1 Micarta Insulator Strip

#171-61 Heating Block Jacket

#171-63 Dial Plate for Thermostat

#171-65 Fuse Block

#171-67 Thermostat Knob

#171-68 Red Pilot Light

#171-69 White Pilot Light

#171-70-1 Waterproof Thermostat Cover

#171-71 Thermostat

#171-71-1 Thermostat Space Plate

#171-71-2 Sleeve and Nut for Thermostat

Optional:

#143-05 EZ Puncture CO2Bulbs; 8-Gram; UN #1013; Package of 10

#143-20 Repair Kit for High-Pressure Victor Regulator (#171-53)

#171-81 Stainless Steel Carrying Case

OFITE, 11302 Steeplecrest Dr., Houston, TX 77065 USA / Tel: 832-320-7300 / Fax: 713-880-9886 / www.ofite.com 4

#171-50-SP Spare Parts for #171-50 and #171-51:

#140-60-01 Bleeder Valve O-ring; Qty: 4

#142-42 Diaphragm; Qty: 2

#142-58 HTHP Coupling O-ring; Qty: 36

#142-61 200-PSI Gauge; 2"; ¼" Bottom Connection

#143-02-13 Puncture Pin Holder Assembly O-ring; CO2Cartridge; Qty: 2

#143-02-14 Puncture Pin Holder Assembly O-ring; Qty: 2

#143-05 EZ Puncture CO2Bulbs; (8-GRAM); (UN #1013); Box of

10; Qty: 60

#143-19 Repair Kit for Victor Regulator; Qty: 2

#143-20 Repair Kit for High-Pressure Victor Regulator; Qty: 2

#153-16 Glass Graduated Cylinder; 25 mL x 2/10 mL; Qty: 2

#153-55 Silicone Stopcock Grease; 150 g Tube; Qty: 2

#154-10 Dual-Scale Thermometer with Metal Dial; 5" Stem; 50 -

500°F; 0 - 250°C

#170-07 O-ring; Qty: 2

#170-11 200-Watt Heating Element; 115V; Qty: 4

#170-19 2½" (6.35 cm) Filter Paper; Specially Hardened for Filter

Presses; Qty: 10

#171-52 O-ring; 2 5/16" x 2½" x 3/32"; Qty: 12

#171-54 Fuse

#171-67 Thermostat Knob

#171-68 Red Pilot Light

#171-69 White Pilot Light

#171-71 Thermostat

#171-73-1 1000-PSI Gauge; 1/8" Bottom; 1½" Face

#171-78 Cell Screw; Qty: 4

#171-79 ¼" Hex Wrench

OFITE, 11302 Steeplecrest Dr., Houston, TX 77065 USA / Tel: 832-320-7300 / Fax: 713-880-9886 / www.ofite.com 5

Safety Carbon Dioxide gas is normally supplied in small bulbs or cartridges, which

contain approximately 900 PSI (6,206 kPa) pressure when new. Because

they are highly portable, they are usually used in field operations. These

bulbs should not be exposed to high heat (50°C/120°F) as they can

explode if over heated.

Carbon Dioxide cartridges are pressurized to approximately 900 PSI at 1

atmosphere (sea level). Therefore, they should never be transported by

airplane without proper packing because cabin de-pressurization may

cause an explosion.

Do not use nitrous oxide cartridges as pressure sources for high-tem-

perature, high-pressure (HTHP) filtration. Under high temperature

and pressure, nitrous oxide can detonate in the presence of grease,

oil, or carbonaceous materials. Nitrous oxide cartridges are to be

used only for Garrett Gas Train Carbonate Analysis.

Due to the high temperatures and pressures involved in this test, extreme

care must be exercised at all times. All safety precautions must be met,

especially in the cell breakdown procedure after the filtration procedure has

been completed.

OFITE, 11302 Steeplecrest Dr., Houston, TX 77065 USA / Tel: 832-320-7300 / Fax: 713-880-9886 / www.ofite.com 6



Important

Procedure 1. Connect the heating well power cord to the appropriate power source.

Place a dial-type metal thermometer in the well in the heating jacket

and preheat to 10°F (6°C) above the desired test temperature. A pilot

light will come on when the heating jacket is at the desired temperature

as selected by the thermostat control knob.

2. Stir the sample for 10 minutes with a high speed mixer. Close both

needle valves on the test cell by turning them counter-clockwise. Invert

the cell and carefully pour the test fluid into the cell body. Leave at

least 0.5" (13 mm) of empty space below the o-ring groove to allow for

heat expansion of the fluid. Do not spill fluid on the o-ring inside the

cell.

3. Place a circle of filter paper in the groove and place an o-ring on top of

the paper. Place the cell cap into the cell, and twist it into position so

the cap locking screws will fasten to the wings of the cell cap. Evenly

tighten the set screws with the allen wrench.

OFITE, 11302 Steeplecrest Dr., Houston, TX 77065 USA / Tel: 832-320-7300 / Fax: 713-880-9886 / www.ofite.com 7

Needle Valve (Inlet)

(#170-34)

Test Cell

(#171-56)

Needle Valve (Outlet)

(#170-34)

O-ring Groove Cell Cap (#171-62) Locking Screws (#171-78)

4. Place the cell in the heating jacket with the outlet or filter side of the cell

cap properly oriented down. Make sure both valves on the cell are

closed. Transfer the thermometer into the thermometer well within the

cell.

5. Check the o-ring on the inside of the female coupling on the top pres-

sure assembly for nicks and cuts. Apply a thin coat of silicone grease

to the o-ring but do not seal up the hole with grease. Connect the pres-

suring assembly to the top male slip coupling by lifting the lock ring and

sliding the pressure assembly onto the male coupling. Release the lock

ring and the top pressure assembly has been installed.

OFITE, 11302 Steeplecrest Dr., Houston, TX 77065 USA / Tel: 832-320-7300 / Fax: 713-880-9886 / www.ofite.com 8

Locking Ring

Male Coupling

(#171-64)

Back Pressure Receiver

Needle Valve

(#170-32)

Needle Valve

(#170-34)

Pressuring Assembly (#171-57) Back Pressure Receiver (#171-58)

Cartridge Holder

(#143-03)

T-screw

O-ring

(#142-58)

6. If you will be operating above 200°F (93.3°C), place the back pressure

receiver on the bottom valve assembly in the same manner.

7. Remove the CO2cartridge holder from both the top pressuring assem-

bly and the back pressure receiver. Make sure both regulator T-screws

are unscrewed completely and the needle valves are completely

closed. Place a CO2cartridge in each holder and screw the holder onto

the pressuring assemblies until the cartridges puncture. If the red relief

valve on the backpressure receiver is not already pulled out, pull it out

now.

8. Keeping the test cell valves closed, adjust the top and bottom regula-

tors to the recommended back pressure for your test. Open the top

valve one full turn to pressurize the sample. This pressure will mini-

mize boiling while the sample is heating. Maintain this pressure on the

fluid until the desired temperature is stabilized, as indicated by the ther-

mometer. The heating time of the sample should never exceed one

hour.

The upper and lower limits of the test pressure differential are deter-

mined by the test temperature. As this temperature exceeds 212°F

(100°C), the back pressure must be increased in order to prevent

vaporization of the filtrate. The 500 PSI differential pressure must be

maintained, so the top pressure will have to be increased accordingly.

The table below shows the pressures recommended for various test

temperatures.

9. When the fluid sample reaches the desired test temperature, increase

the pressure on the top pressure unit to 500 PSI (3,447.5 kPa) above

the back pressure. Open the bottom valve to initiate filtration and begin

timing.

OFITE, 11302 Steeplecrest Dr., Houston, TX 77065 USA / Tel: 832-320-7300 / Fax: 713-880-9886 / www.ofite.com 9



Note

Recommended Minimum Back Pressure

Test Temperature Vapor Pressure Minimum Back Pressure

°F °C PSI kPa PSI kPa

212 100 14.7 101 100 690

250 121 30 207 100 690

300 149 67 462 100 690

350 177 135 932 160 1,104

400* 204 247 1,704 275 1,898

450* 232 422 2,912 450 3,105

500* 260 680 4,692 700 4,830

*For tests above 400°F, use Teflon o-rings.

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