| 发明名称 |
REVERSE CIRCULATION CEMENTING SYSTEM AND METHOD |
| 摘要 |
<p>A system and method of cementing in an annulus formed between a casing and the wall of a well bore, wherein a foamed cement is introduced into the upper portion of the annulus, directed downwardly through the annulus and back up into the casing, and then displaced back down the casing and into the annulus.</p> |
| 申请公布号 |
WO2004081338(A1) |
申请公布日期 |
2004.09.23 |
| 申请号 |
WO2004GB00784 |
申请日期 |
2004.02.27 |
| 申请人 |
HALLIBURTON ENERGY SERVICES, INC.;BOUR, DANIEL, L.;WAIN, CHRISTOPHER, PAUL |
发明人 |
BOUR, DANIEL, L. |
| 分类号 |
C09K8/473;E21B33/14;E21B33/16;(IPC1-7):E21B33/13 |
主分类号 |
C09K8/473 |
| 代理机构 |
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代理人 |
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| 主权项 |
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| 地址 |
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