发明名称 |
Shale Inhibition additive for oil/gas down hole fluids and methods for making and using same |
摘要 |
An under-balanced drilling fluid additive is disclosed which reduces reactive shale and/or clay swelling during under-balanced drilling operations, where the additive includes an effective amount of a choline salt. A method for under-balanced drilling is also disclosed including the step of circulating a drilling fluid including an effective amount of a choline salt to reduce reactive shale and/or clay swelling during under-balanced drilling operations.
|
申请公布号 |
US2006116296(A1) |
申请公布日期 |
2006.06.01 |
申请号 |
US20040999796 |
申请日期 |
2004.11.29 |
申请人 |
CLEARWATER INTERNATIONAL, L.L.C. |
发明人 |
KIPPIE DAVID P.;GATLIN LARRY W. |
分类号 |
C09K8/04;C09K8/12;C09K8/22;C09K8/38;C09K8/68;E21B;E21B43/00 |
主分类号 |
C09K8/04 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|