High pressure drilling rod connector

• Main Authors: MAO FANGLIANG, FENG ZHIGANG
• Format: Patent
• Language: Chinese; English
• Published: 06.02.2018
• 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 high pressure drilling rod connector belongs to the rig field, including body and sleeve pipe, this internal water filling channel that is equipped with, the one end of body is the drilling rod link, the other end is rig main shaft link, be provided with a step on the body, the step site is in the rear of rig main shaft link, one side that the step is close to rig main shaft link is hugged closely and is provided with the first bearing that cup joints on the body excircle, the opposite side of step has set gradually the second bearing, first sealing member, innerliner, the second sealing member, packing ring and third bearing, a plurality of hole has evenly been offered on inner liner's the outer disc, the last institute of inner liner porose all can with water filling channel looks UNICOM, first sealing member and second sealing member distribute in water filling channel's both sides, the welding has the coupling on the sleeve pipe, be provided with theinlet opening with couplin