Schlumberger

TrueTest High-Resolution Formation Strength Test Service

Overview Library

Maximize the value of leakoff tests, extended leakoff tests, and formation integrity tests

The TrueTest high-resolution formation strength test (FST) service provides real-time data from pumps-off events to when circulation is reestablished. The combination of downhole pressure data and rapid analysis of FST data enables operators to make the best-possible decisions when choosing whether to drill ahead.

The service is used in the same way as traditional FSTs and analyzes data from the high-definition annular pressure-while-drilling (APWD) service when the pumps are off. The TrueTest service offers a higher level of accuracy required to revise target mud density, reevaluate well control risks, reduce wellbore stability risks for an updated geomechanics model, and increase the value of dynamic tests in managed pressure drilling.

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TrueTest Service Workflow

TrueTest High-resolution formation strength test service
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