发明名称 |
HIGH CIRCULATION RATE PACKER AND SETTING METHOD FOR SAME |
摘要 |
A high circulation rate packer (50) for establishing a sealing and gripping engagement with a well casing (34) disposed in a wellbore (32). The packer (50) includes a packer mandrel (54), a seal assembly (72) slidably disposed about the packer mandrel (54) that has a running position and a radially expanded sealing position and a cover (74) that is slidably disposed relative to the packer mandrel (54). The cover (74) has a running position wherein the cover is disposed about the seal assembly (72) and a retracted position wherein the cover (74) is at least partially removed from about the seal assembly (72). |
申请公布号 |
WO2009139806(A2) |
申请公布日期 |
2009.11.19 |
申请号 |
WO2009US02006 |
申请日期 |
2009.03.30 |
申请人 |
HALLIBURTON ENERGY SERVICES, INC.;KILGORE, MARION, D. |
发明人 |
KILGORE, MARION, D. |
分类号 |
E21B33/12;E21B33/1295 |
主分类号 |
E21B33/12 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|