Anti-winding connector and crustal stress measurement system

• Main Authors: LI JIANZHONG, SI LINPO, WANG XIAOQING, YANG JINGHE, YANG LEI, LOU JINFU, LIU XIAOMIN, GAO FUQIANG, YUAN GUIYANG
• Format: Patent
• Language: Chinese; English
• Published: 13.09.2019
• 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 relates to the field of geomechanics engineering. The utility model provides an anti-winding connector. The pipe joint comprises a joint body and a limiting sliding plate, a connecting hole is formed in the joint body, two adjacent sections of pipe fittings are in butt joint in the connecting hole, a plurality of positioning grooves are formed in the circumferential direction ofthe joint body, hoses are clamped in the positioning grooves, the limiting sliding plate is detachably connected to the joint body, and the limiting sliding plate abuts against the hoses. The utilitymodel further provides a crustal stress measuring system with the anti-winding connector. And the packer comprises a fracturing water injection pipeline, a packing water injection pipeline and a packer control pipeline, the fracturing water injection pipeline is connected in the connecting hole of the joint body, and the packing water injection pipeline and the packer control pipeline are connected in the positioning groov