发明名称 Distributed load liner hanger and method of use thereof
摘要 A liner hanger assembly and method of installation for use in oil and gas well operations having multiple individual hanger units arranged in series for even load distribution. Each individual hanger unit carries a proportional amount of the weight load of a suspended well pipe (casing liner) and has a balanced pressure, sealed bearing which facilitates rotation of the casing liner in the well bore during cementing operations.
申请公布号 US4010804(A) 申请公布日期 1977.03.08
申请号 US19750562691 申请日期 1975.03.27
申请人 EXXON PRODUCTION RESEARCH COMPANY 发明人 GARCIA, JUAN A.
分类号 E21B33/04;E21B43/10;(IPC1-7):E21B23/02;E21B33/14 主分类号 E21B33/04
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