- PWC® Systems
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Run in conjunction with the TCP guns spaced out for the interval to be tested, the AIT tool provides a simple but effective method of verifying creeping shale/formation behind the casing.
After perforating the desired interval with the TCP guns, an activation ball is dropped and the Annular Integrity Test tool is activated. The cup integrity is then tested in blank casing before the cups are positioned across the lower perforated interval, and pressure is applied. If the formation is holding the applied pressure and no return from the upper perforations is observed, the formation barriers are verified.
The test can be repeated to confirm the initial test result. The AIT tool can now be disconnected and an internal cement plug can be set.
The tool can also be retrieved to surface depending on the next operational steps to be performed.
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