Schlumberger

SURVIVOR DPM HPHT
Dynamic Pressure Module

Overview Library

Annulus pressure and temperature measurements

SURVIVOR system's DPM high-pressure, high-temperature (HPHT) dynamic pressure module continuously measures the pressure in the annulus between the tool and the borehole, using two independent and highly accurate quartz gauges.

From the direct downhole measurement of annular pressure, the module provides a downhole equivalent circulating density (ECD). A measurement of annular temperature is also provided.

The SURVIVOR system's DPM module can operate in pressures up to 25,000 psi and temperatures up to 350 degF [175 degC].

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