Design and applications of drilling trajectory measurement instrumentation in an ultra-deep borehole based on a fiber-optic gyro

Liu, YM; Wang, CH; Luo, GQ; Ji, WF

Liu, YM (corresponding author), Inst Crustal Dyanm, CEA, Beijing 100085, Peoples R China.; Liu, YM (corresponding author), Sichuan Univ, Sch Mfg Sci & Engn, Chengdu 610065, Peoples R China.

GEOSCIENTIFIC INSTRUMENTATION METHODS AND DATA SYSTEMS, 2020; 9 (1): 79

Abstract

The working environment in hot dry rock bore-holes, encountered in deep geothermal investigation drilling and ultra-deep geological drilling (up to 50......

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