OfiTE 2025 Manuale utente
Model 2025 Automated HTHP Consistometer
#120-35 - Consistometer
#120-35-DAS - With Computer
Instruction Manual
Updated 8/23/2022
Ver. 1
OFI Testing Equipment, Inc.
11302 Steeplecrest Dr. · Houston, Texas · 77065 · U.S.A.
Tele: 832.320.7300 · Fax: 713.880.9886 · www.ote.com
©Copyright OFITE 2022
OFITE, 11302 Steeplecrest Dr., Houston, TX 77065 USA / Tel: 832-320-7300 / Fax: 713-880-9886 / www.ote.com 1
Requirements .................................................................................3
Intro..................................................................................................3
Description......................................................................................3
Features...........................................................................................3
Specications .................................................................................4
Components ...................................................................................4
Safety...............................................................................................7
Quick Start ......................................................................................9
Starting a Test.............................................................................9
Completing a Test .....................................................................10
Setup.............................................................................................. 11
Software ........................................................................................16
General Setup...........................................................................16
Setup.........................................................................................17
Prole Builder............................................................................19
Main Screen..............................................................................21
Events .......................................................................................24
Calculated Values .....................................................................25
Onboard Display...........................................................................26
Real-Time Data.........................................................................27
Test Setup - Test Cong............................................................28
Test Setup - Prole....................................................................29
Calibrate....................................................................................30
Utilities.......................................................................................31
Archive ......................................................................................32
Manual Control..........................................................................33
Start Test...................................................................................34
Operation ......................................................................................35
Filling the Slurry Cup.................................................................35
Starting a Test ...........................................................................37
Completing the Test ..................................................................39
Table of
Contents
OFITE, 11302 Steeplecrest Dr., Houston, TX 77065 USA / Tel: 832-320-7300 / Fax: 713-880-9886 / www.ote.com 2
Maintenance .................................................................................40
Cleaning....................................................................................40
Potentiometer ...........................................................................42
Rupture Disk .............................................................................44
Oil Filter.....................................................................................45
Pressure Relief Valve Regulator...............................................46
Troubleshooting.........................................................................47
Calibration.....................................................................................51
Potentiometer ...........................................................................51
Value Chart ...............................................................................53
Pressure....................................................................................54
Temperature..............................................................................55
Cell Cap O-ring and Backup Ring.............................................56
Cell Diagram .............................................................................57
Slurry Cup Diagram ..................................................................58
Potentiometer Diagram .............................................................60
Potentiometer Adjustment.........................................................61
Fuses and Breakers..................................................................62
Multiple Instruments..................................................................63
Warranty and Return Policy ........................................................64
OFITE, 11302 Steeplecrest Dr., Houston, TX 77065 USA / Tel: 832-320-7300 / Fax: 713-880-9886 / www.ote.com 3
During cementing operations, the time required for a cement slurry to set is
of primary concern. Under an ideal situation, minimal time would be required
to successfully pump the slurry, which immediately upon placement, begins
fully pump the cement, it will be necessary to drill the cement remaining in the
casing string. Remedial operations such as this are very costly. Conversely,
cements that are successfully placed, but require considerable time to
cure, consume valuable rig time, which is also quite costly. Laboratory tests
should be conducted under simulated reservoir conditions to examine the
actual thickening time of the slurry. The OFITE HTHP Consistometer was
under simulated downhole pressures and temperatures.
A cement is mixed and poured into the slurry cup assembly. The slurry cup
is placed into the test vessel and pressure is increased via an air-driven
hydraulic pump. A PID temperature controller governs an internal heater,
mechanism rotates the slurry cup assembly. A potentiometer controls an
output voltage, which is directly proportional to the amount of torque the
cement exerts upon an API-approved paddle. The included software controls
the instrument and records temperature, pressure, and cement consistency
as a function of time.
- Touch screen display for standalone mode
- Computerized Data Acquisition and Control system provides detailed test
information in convenient formats and can control multiple units from one
computer. RS-232, Ethernet, and USB connections available.
- Automatic temperature and pressure control
- External cooling jacket aids cooling of test cell
- Automatic, programmable speed motor (0 – 300 RPM) powered by a
magnetic drive
- Drip tray next to cap provides a place to set the cap between tests without
dripping oil on the unit casing
- Convenient oil reservoir features a cap with built-in funnel to help prevent
spills, a removable top and bottom that make cleaning easy, and a sloping
bottom that collects sediment for easy removal
- Visual indicator provides an at-a-glance status update during testing
- Small footprint saves valuable lab space
- Temperature, pressure, and consistency alarms provide automatic
shutdown for safety
- Water Drain
Intro
Description
Features
Requirements
OFITE, 11302 Steeplecrest Dr., Houston, TX 77065 USA / Tel: 832-320-7300 / Fax: 713-880-9886 / www.ote.com 4
Specications Size
Weight
Crated Size
Crated Weight
Temperature Controller
Pressure Indicator
resolution. Analog gauge.
Slurry Cup Variable Speed: 0 – 300 RPM
Max Temperature
Max Pressure
tongs for heater shield, and lifting tongs for potentiometer)
Components
OFITE, 11302 Steeplecrest Dr., Houston, TX 77065 USA / Tel: 832-320-7300 / Fax: 713-880-9886 / www.ote.com 5
Potentiometer Components:
Slurry Cup Components:
Optional:
#120-35-SP Spare Parts Kit
OFITE, 11302 Steeplecrest Dr., Houston, TX 77065 USA / Tel: 832-320-7300 / Fax: 713-880-9886 / www.ote.com 6
OFITE, 11302 Steeplecrest Dr., Houston, TX 77065 USA / Tel: 832-320-7300 / Fax: 713-880-9886 / www.ote.com 7
Safety
Explanation of Symbols
Caution: Risk of Danger - This symbol directs the operator to consult the
Whenever this symbol is used on the equipment, the user must
consult the manual to determine the nature of the hazard and any
actions which have to be taken.
Hot: This symbol indicates that a surface may be hot to the touch.
Shock Hazard: This symbol indicates a risk of electrical shock.
Note: This symbol will indicate important notes and helpful hints for the
operation of the equipment.
Tip: This symbol is used to identify operational information and best
practices to obtain the most reliable data.
Caution: Note - This symbol is used to indicate statements in the manual
which warn against actions which may cause damage to the equipment
during routine service or maintenance.
OFITE, 11302 Steeplecrest Dr., Houston, TX 77065 USA / Tel: 832-320-7300 / Fax: 713-880-9886 / www.ote.com 8
• The Consistometer conforms to the relevant safety regulations; however
the user is solely responsible for the correct handling and proper usage of
the instrument.
• The equipment should be operated in such a way that will not endanger
people.
• The equipment must not be operated if there is any evidence of external
damage, leading to any doubt regarding safe operation.
• The user must comply with the instructions in this instruction manual,
otherwise safe operation cannot be guaranteed.
• This instruction manual must be readily available for all operators.
• Do not bend or stress connection cables and mains cable.
• Do not subject connection or mains cables to high temperatures (higher
• Check integrity of cables at regular intervals.
• The unit must be powered down before any cables are connected or
disconnected. This reduces the risk of electrostatic charging and resultant
damage to electronic circuit boards.
• The operator must have a good familiarity with the installation of the unit
and its surroundings.
• Suitable protective gear should be worn in the factory environment in
which the unit has been installed.
•
• The user is responsible for the safe handling of any materials tested. If in
doubt the material safety data sheet should be read, relevant safe han-
dling regulations should be read and observed and good operating and
manufacturing practices should be followed.
OFITE, 11302 Steeplecrest Dr., Houston, TX 77065 USA / Tel: 832-320-7300 / Fax: 713-880-9886 / www.ote.com 9
Quick Start
Starting a Test
Before turning on the Consistometer, make sure the MOTOR, HEAT,
2. Turn the MAIN POWER switch on.
3. Turn the MOTOR switch to ON.
Slowly lower the slurry cup into the test cell until the drive table engages
with the drive pins on the bottom.
Lower the potentiometer into the test cell so that it sits on top of the slurry
cup.
Turn the MOTOR switch to AUTO.
Carefully lower the cell cap into the test cell and tighten it.
Plug the thermocouple into the port near the test cell. Insert the
thermocouple into the hole in the top of the cell cap and tighten the thread
Close the pressure release valve by turning it clockwise.
Turn the FILL/DRAIN CELL switch to FILL. When the cell is full, oil will
seal the cell.
Leave the FILL/DRAIN CELL switch in the FILL position during
testing.
Load the test:
a.
b.
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