PUSH-THE-BIT ROTARY STEERABLE APPARATUS

• Main Authors: LI, Hui, WANG, Hongliang, DING, Xudong, JIA, Jianbo, MENG, Wei, JIAN, Zhijun, JI, Ling, ZHU, Weihong, YAO, Xiaojiang, SUN, Shixian, SHANG, Jie, LAN, Hongbo, ZHANG, Yulin, ZHANG, Guanqi
• Format: Patent
• Language: Chinese; English; French
• Published: 12.10.2023
• Subjects: BASIC ELECTRIC ELEMENTS; CURRENT COLLECTORS; EARTH DRILLING; EARTH DRILLING, e.g. DEEP DRILLING; ELECTRICITY; FIXED CONSTRUCTIONS; LINE CONNECTORS; MINING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS

A push-the-bit rotary steerable apparatus, comprising: an upper driving shaft (1) and a lower driving shaft (2), wherein the upper driving shaft and the lower driving shaft are coaxially arranged and fixedly connected, a circuit control module (3) and a hydraulic pushing module (4) are sequentially provided on the outer peripheral wall of the upper driving shaft, a gamma measurement module (5) is provided on the outer peripheral wall of the lower driving shaft, and the gamma measurement module is internally provided with a measurement control circuit (51) and an orientation measurement module (52) that is electrically connected to the measurement control circuit; and an electrical connection system, which comprises an electrical connection component (6), a communication module and cables, wherein the electrical connection component is arranged at connection ends of the upper driving shaft and the lower driving shaft, the communication module is arranged in the circuit control module and the hydraulic pushing