发明名称 PROTECTING WELL TOOLS
摘要 Method and apparatus for retaining and protecting various components of well tools such as packers involves the use of a heat-shrinkable elastomeric sleeve placed over the well tool and heated to radially shrink it into relatively snug fitting relationship over the well tool parts.
申请公布号 AU8683875(A) 申请公布日期 1977.05.26
申请号 AU19750086838 申请日期 1975.11.21
申请人 DRESSER INDUSTRIES, INC. 发明人 GARY DALE ELLIS;JOE DRAHN FOSTER
分类号 E21B33/12;E21B23/00;E21B43/24 主分类号 E21B33/12
代理机构 代理人
主权项
地址