Calibration and verification system and method for directional sensor

US11994410B2 · kind B2 · utility

Assignees

• China National Petroleum Corporation · CN
• CHINA NATIONAL LOGGING CORPORATION · CN

Inventors

• Zhuoran Meng · Beijing, CN
• Jun Zhu · San Diego, US
• Fei Wang · San Jose, US
• Shuyun Cheng · Beijing, CN
• Yao Wu · Nanjing, CN
• Sang Jia · Beijing, CN
• Ying Guo · Chongqing, CN
• Hongsheng Cui · Beijing, CN
• Yong Die · Beijing, CN
• Ye Lu · San Diego, US
• Peng Chen · Beijing, CN
• Tong Li · Pine Brook, US
• Jun Wang · Lo Wu, CN

Key dates

• Filing date: Sep 29, 2020
• Grant date: May 28, 2024
• Expiry date: Apr 8, 2041

Classification

• Technology area (CPC G): Physics
• CPC primary: G01R35/005
• WIPO field: Measurement
• WIPO sector: Instruments

Abstract

A calibration and verification system for a directional sensor, including an industrial control computer and a 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 and configured to heat and calibrate the directional sensor, and wherein a high-precision inclination and azimuth test turntable is disposed in the second triaxial Helmholtz coil and configured to verify the directional sensor.