Automatic elevator double-bushing operation system and method

• Main Authors: WANG WEI, CHAI JUNQING, LIAO GUOYONG, WANG LIN, ZHOU WENHUI, TANG AIMIN, LYU YAN, ZHOU YU, WANG HAN
• Format: Patent
• Language: Chinese; English
• Published: 10.03.2023
• 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 discloses an automatic elevator double-bushing operation system and method, and relates to the technical field of oil and gas drilling. The operating system comprises a hydraulic elevator, a hydraulic cylinder, a hydraulic cylinder, a hydraulic cylinder, a hydraulic cylinder, a hydraulic cylinder, a hydraulic cylinder, a hydraulic cylinder and a hydraulic cylinder control system, and the hydraulic cylinder is provided with a clamping hole in the middle and can clamp the bushing; the top drive is connected with the hydraulic elevator and used for driving the hydraulic elevator to move up and down; the bushing operation table is located below the hydraulic elevator in the working state and can move the bushing out of or feed the bushing into a well opening, double bushing elevator operation can be automatically achieved, manual operation is avoided, the problems that a slip slips and a drill rod is damaged can be thoroughly solved, the problems that a manual double elevator cannot achieve automati