

The standpipe pressure sensor can measure the circulating pressure in the drilling mud standpipe in real time, provide the standpipe pressure data to the driller and mud logging personnel, monitor the downhole working conditions, find out the drilling abnormalities in time, and ensure the drilling safety.
Product advantages:
1、After installation, it is only necessary to fill oil on time, and it is easy to replace the rubber cup and piston;
2、Anti-vibration and anti-corrosion design, suitable for harsh working conditions of oil and gas industries;
3、Solid and reliable structure, simple and easy assembly, excellent cost performance。
| Working temperature | -40 ℃ ~ + 65 ℃ | Interface | M14x1.5 and hydraulic quick connector |
|---|---|---|---|
| Working medium | -40 ℃ transformer oil (special) GB2536 |
| Name | Model | Specification | Signal form | Measurement error | Remark |
| Standpipe pressure sensor (piston) | BJLY-H70 | 0~70 MPa | / | ±1.5% F.S | High-pressure impact-resistant, not easy to block solid phase |
| Standpipe pressure sensor (rubber cup) | BJLY-J70 | 0~70 MPa | / | ±1.5% F.S | No seizure, sensitive pressure response |
| Integrated standpipe pressure sensor | BJLY-HJ70 | 0~70 MPa | / | ±1.5% F.S | High pressure, impact-resistant, no seizure |
| Electronic standpipe pressure sensor with union connector | TJF-SSL24 | 0~70 MPa 0~140 MPa | 4~20mA RS485 | ±0.5% F.S | Reliable and durable, no wearing parts |
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