Flexible drilling tool system for radial drilling of ultra-deep well and sidetrack drilling process

• Main Authors: XU KELIANG, ZHANG JIE, WU CHUNHONG, LONG WU, MA GUORUI, WAN XIAOYONG, SONG HAI, TAO SHAN, ZHAI KEJUN, LI WEILIANG
• Format: Patent
• Language: Chinese; English
• Published: 13.01.2023
• 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 invention provides a flexible drilling tool system for radial drilling of an ultra-deep well, and the flexible drilling tool system comprises a drill rod which is connected with a wellhead turntable arranged at a wellhead; the drilling device is connected to the lower end of the drilling rod, an...