Hydraulic connecting-tripping device

• Main Authors: LEI ZHANG, JINZHONG ZHENG, DEZHONG LI, HOUYI REN, SHIJIE WANG, PENG CHI
• Format: Patent
• Language: English
• Published: 08.03.2006
• 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 discloses a hydraulic connecting-tripping device, which comprises a coupling, a connecting pipe, an upper joint, a sealing element, a spring ring, a lock block, a shear pin, a lock sleeve and a lower joint. The utility model is characterized in that one end of the upper joint is co...