Well drilling derrick pipe fitting mounting

• Main Authors: WANG HONGCHEN, PAN YUEMING, ZHANG JIPING, REN XIANGFEI, LIU CONG, LIU DUOJIE, HE XIANGBIAO, CUI YONGHUA, MOU CHUNSHU
• Format: Patent
• Language: Chinese; English
• Published: 30.03.2016
• 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 well drilling derrick pipe fitting mounting, its characterized in that: include: base (1), the lower extreme both sides of base (1) are equipped with fixed orifices (4), the upper end of base (1) is equipped with external screw thread (1 -1), be equipped with on the inner wall upper end lateral wall of base (1) two semi -circular slips (2), two slips (2) on base (1) are the semicircle wedge and the inboard is equipped with the decorative pattern to with base upper end inside wall cooperation, the upper end of base (1) is passed through the screw thread and is connected with pressing cap (3), press cap (3) to be equipped with internal thread (3 -1), vertical pipe spare presses cap (3) fixed with the pipe fitting with slips (2) chucking through pressing wedge slips (2) in cap (3) base (1) through screwing, the utility model provides a pair of well drilling derrick mounting, it is big to have a pipe fitting chucking contact surface, and the chucking is firm, advantages such as conve