Anti -sticking dead oil manages anchoring device

• Main Authors: SHI YING, LIU GONGQUAN, LI LIANPING, LI QING, LI BIN, LI ZUOPING
• Format: Patent
• Language: Chinese; English
• Published: 01.06.2018
• 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 relates to an anti -sticking dead oil manages anchoring device, including center tube, packing element, block teeth, last cone, lower cone, shear pin, anti -rotation body assembly are formed, center tube and anti -rotation body assembly with screwed connection, go up cone, packing element and down the cone all the order concatenate on the body of center tube, block teeth bond inthe packing element periphery. Adopt this structure, use easy operation, is connected through rubber and anchor tooth, can pull out in case of necessity and take off rubber spare and make the anchor body break away from with block teeth, therefore the malfunctioning anchor tooth of invar spare motion receipts can not appear and do not go back, lead to the fact the dead danger that can not play thetubular column in the well of device card. 本实用新型涉及种防卡死油管锚定装置，包括中心管、胶筒、牙块、上锥体、下锥体，剪钉、防转体总成组成；所述的中心管与防转体总成以螺旋连接，上锥体、胶筒和下锥体都顺序串接在中心管的管体上，牙块粘接在胶筒外周。采用此结构，使用操作简单，通过橡胶与锚牙连接，必要时可拔脱橡胶件使锚体与牙块脱离，因而不会出现因钢件运动失灵锚牙收不回去，造成装置卡死在井内起不出管柱的危险。