发明名称 PACKER INSERT FOR SEALING ON MULTIPLE ITEMS IN A WELLBORE
摘要 A multiple item sealing packing insert for use with oil field service products in a wellbore has a first member comprising a composite material having an elastomer and a structural support material and a second member comprising a composite material having an elastomer and a structural support material. The first member and second member are configured to envelop items in the wellbore with the elastomer upon application of radial pressure.
申请公布号 CA2298224(A1) 申请公布日期 2000.08.08
申请号 CA20002298224 申请日期 2000.02.07
申请人 HYDRIL COMPANY 发明人 CARBAUGH, WILLIAM L.
分类号 E21B33/06;E21B33/08;(IPC1-7):E21B33/12 主分类号 E21B33/06
代理机构 代理人
主权项
地址