US 11,994,410 B2
Calibration and verification system and method for directional sensor
Zhuoran Meng, Beijing (CN); Jun Zhu, Beijing (CN); Fei Wang, Beijing (CN); Shuyun Cheng, Beijing (CN); Yao Wu, Beijing (CN); Sang Jia, Beijing (CN); Ying Guo, Beijing (CN); Hongsheng Cui, Beijing (CN); Yong Die, Beijing (CN); Ye Lu, Beijing (CN); Peng Chen, Beijing (CN); Tong Li, Beijing (CN); and Jun Wang, Beijing (CN)
Assigned to CHINA NATIONAL PETROLEUM CORPORATION, Beijing (CN); and CHINA NATIONAL LOGGING CORPORATION, Xi'an (CN)
Appl. No. 17/622,370
Filed by CHINA NATIONAL PETROLEUM CORPORATION, Beijing (CN); and CHINA NATIONAL LOGGING CORPORATION, Xi'an (CN)
PCT Filed Sep. 29, 2020, PCT No. PCT/CN2020/118738
§ 371(c)(1), (2) Date Dec. 23, 2021,
PCT Pub. No. WO2021/068797, PCT Pub. Date Apr. 15, 2021.
Claims priority of application No. 201921671017.4 (CN), filed on Oct. 8, 2019; and application No. 201910969321.5 (CN), filed on Oct. 12, 2019.
Prior Publication US 2022/0252440 A1, Aug. 11, 2022
Int. Cl. G01D 18/00 (2006.01); G01P 21/00 (2006.01); G01R 35/00 (2006.01)
CPC G01D 18/00 (2013.01) [G01P 21/00 (2013.01); G01R 35/005 (2013.01)] 15 Claims
OG exemplary drawing
 
1. A calibration and verification system for a directional sensor, comprising: an industrial control computer and the directional sensor;
wherein the industrial control computer is connected to a sensor signal acquisition system, a first triaxial Helmholtz coil and a second triaxial Helmholtz coil, respectively;
wherein a heating calibration turntable is disposed in the first triaxial Helmholtz coil;
wherein the directional sensor is disposed on the heating calibration turntable to be heated and calibrated by the heating calibration turntable;
wherein the sensor signal acquisition system is connected to the heating calibration turntable to acquire a data of the directional sensor under a control of the industrial control computer;
wherein a high-precision inclination and azimuth test turntable is disposed in the second triaxial Helmholtz coil and configured to verify the directional sensor; and
wherein a first base is disposed in the first triaxial Helmholtz coil, and the heating calibration turntable is disposed on the first base and connected to the industrial control computer via a heating calibration turntable temperature controller.