OfiTE MudChecker Manuale utente
MudChecker
#365-21-ES - MudChecker v1.5 ES
Instruction Manual
Updated 2/5/2024
Ver. 2
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 2023
OFITE, 11302 Steeplecrest Dr., Houston, TX 77065 USA / Tel: 832-320-7300 / Fax: 713-880-9886 / www.ote.com 1
Introduction.....................................................................................2
Battery .............................................................................................3
Test Setup .......................................................................................4
Device Navigation ..........................................................................6
Testing .............................................................................................7
Standalone..................................................................................7
With Software..............................................................................9
Cleaning the Probe.......................................................................10
Software ........................................................................................ 11
Introduction ............................................................................... 11
Architecture...............................................................................12
Installation.................................................................................14
Layout .......................................................................................18
Results / Analysis......................................................................19
Reports .....................................................................................23
Tips ................................................................................................24
Safety.............................................................................................25
Warranty and Return Policy ........................................................27
Table of
Contents
OFITE, 11302 Steeplecrest Dr., Houston, TX 77065 USA / Tel: 832-320-7300 / Fax: 713-880-9886 / www.ote.com 2
The MudChecker is a portable, battery-powered device encased in a robust
IP 64 enclosure that measures the composition of drilling uids. It uses radio
frequency sensor technology to detect and track the oil, water, solids, and sa-
linity content of drilling uids. The MudChecker is a handheld probe intended
to be dipped into undiluted and diluted mud samples contained in a suitable
non-metallic container.
The MudChecker ES is designed to measure the percentage Oil/Water/
Solid content and can also detect the salinity of drilling uids during a second
measurement step. The MudChecker KS requires the user to manually input
the salinity value, before measuring the oil, water, and solids content. The KS
mode can also be selected on the ES models to expedite the measurement
process if the salinity of the sample is known.
Computer software is provided with all MudChecker models. The software
interfaces with the device via a USB cable and is required for the process-
ing of measurements for the 1.0 models of the device. The 1.5 version can
recall measurement results on the device or via the accompanying software.
The software also allows customers to setup the unit, choose the mode of
operation (KS or ES), enter parameters used in the calculation (such as mud
density, oil density), log results, view results and download previous records.
Records may be exported as spreadsheets.
Introduction
OFITE, 11302 Steeplecrest Dr., Houston, TX 77065 USA / Tel: 832-320-7300 / Fax: 713-880-9886 / www.ote.com 3
The MudChecker is not fully charged when shipped for safety reasons. It is
recommended that the unit is charged for at least two hours before initial use.
Charge the unit using the USB cable provided. If the unit is being charged
from a computer, the USB cable must be attached directly to the computer,
NOT via a USB hub. In general, the USB interface does not work via a USB
hub. Note that USB sockets in the body of monitors are generally part of a
hub.
Checking the Battery
The battery status is shown briey when the device is powered on. You can
see the battery status at any time by powering the device o and then on.
Recharging the Battery
The battery will charge automatically if plugged into a PC via the USB cable.
Ensure the probe is turned o after charging from the PC by turning it on and
o again.
Powering On/O
To turn the device on, hold and release the power button. It is recommended
that the unit should be fully charged before use. To turn o the device press
and hold the power button for 3 seconds until the Power O message ap-
pears then release. Please ensure the unit is turned o after use to ensure
the battery is not drained during storage.
Battery
OFITE, 11302 Steeplecrest Dr., Houston, TX 77065 USA / Tel: 832-320-7300 / Fax: 713-880-9886 / www.ote.com 4
Before taking a measurement, you must connect the MudChecker to the host
PC and enter the required inputs into the software. The software will then
save those settings to the MudChecker device.
1. Connect the MudChecker to the host PC and start the software.
2. Click the “New Measurement” button to start a new test.
3. Enter the required inputs:
• Test Description: comments regarding the test or any other relevant
information
• Mud ID: short description of the mud (maximum of 17 characters)
• Mud Density: density of the whole drilling uid in lb/gal
• Weighted Mud: species whether the mud contains barite. If un-
weighted mud is being tested with no barite, uncheck this selection
• HGS Density: the specic gravity of HGS or barite (if used) in SG or
gm/cc
• LGS Density: the specic gravity of low-gravity or drill solids in uid in
SG or gm/cc
• Base Fluid: the type of base uid in the drilling uid. Select the type
from the drop-down selection. Base uids can be added to this list via
the “Base Fluid Calibration” screen. See page 6 for details.
• Base Density: specic gravity of the base uid
• Oil Calibrated: for informational purposes only since all devices are
always calibrated with diesel by default or user-selected base uids
Test Setup
OFITE, 11302 Steeplecrest Dr., Houston, TX 77065 USA / Tel: 832-320-7300 / Fax: 713-880-9886 / www.ote.com 5
• Oil Calibration Date: shows the date the base uid was calibrated
• Known Salinity: this check-box is used to determine if the test is go-
ing to be run in “Known Salinity” or “Estimated Salinity” mode.
○Known Salinity Mode: In this mode, basic information about the
salinity of the brine phase in the drilling uid is used to estimate
the oil, water, and solids fraction in the uid. Currently it is as-
sumed that the brine is only comprised of calcium chloride. The
user inputs the brine salinity based on their Silver Nitrate titration.
There are 4 choices for the salinity input:
- mg Cl-ions per liter of mud (comes directly from the volume of
Silver Nitrate used for titration)
- mg CaCl2 per kg of brine (or part per million)
- weight percent CaCl2in brine
- mg Cl-ions per liter of brine
In “Known Salinity” mode, only one stage of measurement on the
whole drilling uid is required. It is not required to perform the sec-
ond stage of measurement on the diluted mud sample.
○Estimated Salinity Mode: In this mode, the salinity data for the
brine is estimated using the data and no information on the brine
is required. In this mode, 2 stages of measurement are required:
- In the rst stage, measurement is performed on the whole drill-
ing uid sample
- In the second stage, the software will prompt to run this stage
using the diluted mud sample. This requires mixing 20 mL of
whole drilling uid with 205 mL of the DSX7 surfactant solution
(#365-20-4).
OFITE, 11302 Steeplecrest Dr., Houston, TX 77065 USA / Tel: 832-320-7300 / Fax: 713-880-9886 / www.ote.com 6
All MudChecker units already include calibration data for Diesel as base uid.
If other base uids are used in your drilling uids, the device must be calibrat-
ed using the base uid. The Base Fluid Calibration utility can be accessed
from the main program screen using the button on the top right-hand corner.
1. Make sure the device probe and probe cover (shield) are clean. If neces-
sary clean with Iso-Propyl Alcohol.
2. Connect the MudChecker device to the host computer.
3. Start the MudChecker software. Then click the “Base Fluid Calibration”
button to display the Base Fluid Calibration screen
4. Insert the MudChecker probe into the base uid. Make sure the probe is
properly inserted into the uid such that the 4 horizontal slots in the probe
shield are fully submerged
5. Input the name of the Base Fluid and the density (g/cc or SG).
6. Click the Run button and wait for the measurement to be completed
7. Acknowledge the conrmation dialog box. Once acknowledged, the base
uid calibration data is saved to the local database on the host PC and is
now available for selection in the “New Measurement” window. The win-
dow will automatically close once “OK” is clicked.
Calibration
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The MudCecker device has four navigation buttons:
Device
Navigation Power / Scroll / Hold to Cancel or Power O
Navigate Down One Level in Menu / Enter
Increase or Decrease Parameter Value / Hold Both to
Go Back One Level
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In standalone mode, the test input data can be downloaded to the device to
perform o-line testing. After the input data is downloaded to the device, it
can be disconnected from the host PC and measurements can be performed
o-line. Once the measurement is completed, the device can be plugged
back into the PC and all test data will be downloaded from the device into the
PC and results analyzed automatically. The image below shows the conrma-
tion dialog for settings updated on the device and also instructions on next
steps. Once the OK button is clicked, the software returns to the main screen.
In standalone mode, no analysis is performed on the device. All analyses are
performed on the PC. Multiple tests (100 max) can be performed in this mode
before results are downloaded to the host PC.
If multiple tests are performed, the same set of input data will be used for
all tests. If dierent input data are required for each test, the device must be
connected to the PC to update input data before each test.
1. Ensure the mud sample is homogenous. Mix the sample thoroughly using
a blender if necessary. Ensure there are no air bubbles in the sample be-
fore inserting the probe. Immerse the probe so that the slots in the probe
shield are submerged.
2. Power on the device using the power button.
3. Navigate to the “Measure” menu option using the navigation keys and use
the Enter key to select it.
4. The device will present the input parameters selected during set up.
Ensure these are correct and use the enter key to continue. Mud Density
can be adjusted on the device using the navigation and +/- keys.
Testing
Standalone
OFITE, 11302 Steeplecrest Dr., Houston, TX 77065 USA / Tel: 832-320-7300 / Fax: 713-880-9886 / www.ote.com 9
5. Attach the probe to the MudChecker device. Then press the enter key
and insert the probe into your drilling uid sample.
6. Once the probe is fully submerged in your drilling uid sample, press the
enter key to initiate the measurement process. The device will make an
audible tone once measuring is complete.
7. If you are testing in Known Salinity mode, your test is complete. If you are
testing in Estimated Salinity mode, continue with the next steps.
8. Open a packaged container of DSX7 (#365-20-4) dilution solution. Pour
the contents of the DSX7 container into a blending cup. Using a syringe,
measure out 20 mL of undiluted drilling mud and inject the mud into the
DSX7 solution. Blend the contents. It is recommended:
○ Use a quality blender.
○To avoid splashing, blend at the slowest speed and gradually increase
to the highest speed.
○ Ensure the vortex is half the height of the uid level in the cup while
blending.
○Blend for two minutes to ensure the emulsion has been thoroughly
broken.
9. Attach the probe to the MudChecker device. Then press the enter key
and insert the probe into the diluted drilling uid sample.
10. The device will make an audible tone once the measurement process is
complete.
11. If operating the MudChecker v1.5, press the enter key to calculate and
recall your measurement results. MudChecker v1.0 models require the
device to be connected to the software to recall results.
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