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2-6
SECTION 2 – OPERATING INSTRUCTIONS
Preparing the Sample and Cell for a Test
The recommended procedure for preparing the test cell and slurry for testing are
outlined in the following steps:
1. Always check the sealing components to make sure they are clean and in good condition. If
the O-rings are deformed or hardened replace them.
2. Apply a light coating of lithium grease to the inside cylinder and threads and also to each plug.
Avoid apply grease on the flat face of the plug and base as this will affect the transducer signal.
This will prevent cement from sticking to the metal and will make cleanup easier.
Note: The test cylinder is tapered from top to bottom, with the smallest diameter at
the top. This is to facilitate removal of the cement sample from the test cell.
The top of the cylinder is denoted by the letter T stamped on the wrench flat
on the top end of the cylinder.
3. Place the bottom plug in a vice. Install seal ring and O-ring. Apply a thin coat of high
temperature grease on the O-ring and sealing ring.
4. Screw the cylinder onto the bottom plug located in the vise with the cylinder end marked T at the
top. It is recommended that the plug be screwed in by hand and that the plug be tightened so that
it just contacts the cylinder. Further tightening after the plug has contacted the cylinder will not
cause more effective sealing, and will cause plug removal difficulty.
5. Install the transducers in the top and bottom plug using the spring and transducer support plug.
Always place a thin coating of high temperature ultrasonic couplant on the sensor each time it is
removed. Use the couplant sparingly. Excessive buildup of couplant can lead to instrument
malfunction.
6. Mix the slurry for the test in accordance with API Spec 10 procedures. Approximately 200 mL
of slurry is required to fill the cell.
7. Pour approximately 200cc of cement slurry into the greased test cell. Be careful not to get
cement into the threads. If cement sets up in the threads it may make plug removal and
installation difficult.
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