Petroleum casing pipe convenient to install

• Main Authors: LIU LE, XIAO YUNTAO, XIAO YUNGUANG
• Format: Patent
• Language: Chinese; English
• Published: 05.07.2022
• 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 relates to the technical field of petroleum casings, in particular to a petroleum casing convenient to install. Threaded connection is replaced by a socket mode, so that the mounting convenience and the mounting efficiency are improved; comprising a pipe body and a sleeve fixedly arranged at one end of the pipe body, the sleeve is provided with a non-return jacking assembly, the non-return jacking assembly comprises a rotating wheel, a gear, a ratchet wheel, a pawl and a torsional spring, the sleeve is provided with an installation opening communicated with the interior of the sleeve, the rotating wheel is rotatably installed at the installation opening, the gear is fixedly installed in the middle of the rotating wheel, and the ratchet wheel is fixedly installed in the middle of the rotating wheel. The ratchet wheel is fixedly installed at one end of the rotating wheel, a nut is fixedly arranged at the other end of the rotating wheel, the pawl is rotatably installed on the sleeve, the pawl i