packer setting control line
封隔器坐封液压控制管
retrievable hydraulic-set casing Packer
可收回的液压坐封套管封隔器
multistring hydraulic-set packer
多管水力坐封封隔器
wireline packer setting
电缆操作封隔器坐封
hydro-set permanent packer
永久式水力坐封封隔器
hookwall compression-set packer
井壁式压缩座封封隔器
Development and Application of Repeated Setting Hydraulic Anchor and Repeated Switch Oil Drainage
可重复坐封液压锚定器和反复开关泄油器的研制与应用
Galvanic Corrosion Research of Production Tubing, Production Casing and Packer Materials in Packer Fluid;
油套管及封隔器用钢在封隔液环境下的电偶腐蚀行为研究
single string retrievable packer
单管可收回式封隔器
open hole single packer test string
裸眼单封隔器测试管柱
inflatable packer test string
胶囊封隔器测试管柱
hydraulic-set dual hanger
水力坐封双管悬挂器
Separate Layer Fracturing String with Y241 Packers and Application in Changqing Gas Field
Y241型封隔器分压管柱及在长庆气田的应用
Self-pressured two-way jam packer outside the casing for cementing high pressure formation
套管外封隔器自增压式双卡高压层固井技术及应用效果
overshot tubing seal divider
打捞筒油管密封分压器
Analysis of Hydrostatic Control Sealing Gap Principle in the High Speed Rotary Union
高速旋转接头中液压控制密封间隙原理分析
straddle packer
跨式双封隔器中的一个封隔器
double-grip large bore single string packer
双卡瓦大内孔单管封隔器
