Tubing pressure test water injection spindle and quick-change connector component

• Main Authors: CHI YANDONG, ZHANG QINGJUN, HAO CHENG, SONG WANTAO, HUANG GUOZHOU
• Format: Patent
• Language: Chinese; English
• Published: 23.01.2013
• 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 a mechanical combination component for performing screwing plugging pressure test for tubing in the operation preparation process of the oilfield oil exploitation industry, in particular to a tubing pressure test water injection spindle and a quick-change connector component. A quick-change connector is sleeved outside the front of the water injection spindle, a non-return nut is fixedly arranged at the front end of the water injection spindle and used for fastening the quick-change connector, the middle of the non-return nut is provided with a through hole, the side wall of the water injection spindle is provided with a water injection hole, the center of the front of the water injection spindle is provided with a center hole communicated with the water injection hole, the rear end of the water injection spindle is provided with a screwing power inlet, and the outer surface of the quick-change connector is provided a tubing thread. The mechanical combination component is simple i