SY/T 6231-2019
石油井下压力计
Petroleum downhole pressure gauge
2019-11-04
SY/T 6640-2012
电子式井下压力计校准方法
Calibration method for the down hole electronic pressure gauge
2012-01-04
JJG 1173-2019
电子式井下压力计检定规程
Electronic Downhole Pressure Gauges
2019-12-31
SY/T 6757-2009
井下压力计检定装置校准方法
Calibration method of the verification device for downhole pressure gauge
2009-12-01
T/CAS ES370112008-2022
工业品质量分级评价规则 电子式井下压力计
2022-12-27