Background 

Logging technology is the most basic technology in oil and gas exploration and development activities. According to the requirements of drilling geological design, all data reflecting underground conditions shall be fully and accurately obtained to judge the underground geology and oil and gas conditions, and analyze and judge the overview of underground drilling engineering.

The comprehensive logging instrument is an integrated logging technology integrating traditional logging methods such as drilling time logging, gas logging and drilling fluid logging with modern engineering logging, measurement while drilling and data remote transmission. The comprehensive logging instrument is equipped with a variety of sensor devices, such as winch sensor, acoustic sensor, pressure sensor, casing pressure sensor, point torque sensor, H2S sensor, etc. Here we will introduce the Flush diaphragm pressure sensor, a special mud pressure measurement sensor for oilfields, which is widely used in mud logging and cementing monitoring. 

Flush diaphragm pressure sensor

The flush diaphragm pressure sensor adopts a stainless steel flush back diaphragm, with an integrated structure. The product has no pressure hole, high accuracy, anti blocking and anti vibration. It is widely used in the petroleum industry. Geological logging teams, directional service companies and Schlumberger, an international technical service company, are frequently used in drilling teams. The range is mostly 0 ~ 40MPa, 0 ~ 70MPa, 0 ~ 105Mpa, etc. The output signal is 4 ~ 20mA, the power supply is 12-36vdc, the accuracy is ± 0.2% FS, and the detection medium is water-based mud and oil-based mud.

PPM-T232C Flush diaphragm pressure sensor

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