While-drilling trajectory control equipment for thin-layer shale oil horizontal well

• Main Authors: FENG ZHANQING, LYU LEI, YUE XIAOTONG, CHENG LIN, XIAO YUEQIU, SONG BAOJIN, ZHANG YONGYAO, WU BAOYING, ZHAO ZHENG
• Format: Patent
• Language: Chinese; English
• Published: 11.01.2022
• Subjects: EARTH DRILLING; EARTH DRILLING, e.g. DEEP DRILLING; FIXED CONSTRUCTIONS; MINING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS

The utility model provides thin-layer shale oil horizontal well while-drilling track control equipment which specifically comprises a feeler lever, a non-magnetic rod and a drill rod, the non-magnetic rod is arranged at one end of the drill rod, the feeler lever is arranged at one end of the non-magnetic rod, a directional connector is arranged at one end of the feeler lever, and a bent connector is arranged on the outer wall of one side of the directional connector. A balance weight rod is arranged on the outer wall of one side of the bent connector, three short sections are arranged on the outer wall of one side of the non-magnetic rod, centralizers are arranged on the outer wall of one side of the non-magnetic rod and the outer wall of one side of the drill rod, and each centralizer is composed of two fixing rings and three or more arc-shaped elastic pieces. According to the utility model, the contacts trigger the counter to count, so that the well inclination can be conveniently recorded and tested, the c