Oil -water well borehole operation tubular column guiding pipe plug

• Main Authors: REN CONGKUN, TIAN JUN, WANG YANYAN, LI LIXING, MU TINGHUA, ZHU JUNMENG, WANG DONGQUAN, LI DEZHONG
• Format: Patent
• Language: Chinese; English
• Published: 26.01.2018
• 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 an oil -water well borehole operation tubular column guiding pipe plug, including the plug body, the guide pulley is installed in self radial orientation to the plug body,and wherein plug body outer wall will be given prominence to in guide pulley outermost side rolling surface edge. Radial guide wheel groove who is used for installing the guide pulley is seted up to the plug body. Guide pulley center installation shaft, the guide pulley passes through the bearing and installs at the wheel epaxially. The plug body outside still sets up the gland, corresponding horizontal semicircular groove is seted up simultaneously to gland inner wall and plug body outer wall, and behind two above -mentioned horizontal semicircular groove locks, the shaft is fixed in horizontal semicircular groove, the gland outer wall will be given prominence to in guide pulley outermost side rolling surface edge. Gland middle part two screw holes of equipartition to fix on the plug bodythrough the counter bore