| 发明名称 |
METHOD FOR MAKING AND USING A DRILLING FLUID |
| 摘要 |
A drilling fluid and method for drilling in a coal containing formation. The method includes: providing a mixed metal-viscosified drilling fluid including at least 1% potassium salt; circulating the drilling fluid through the well; and drilling into a coal seam. |
| 申请公布号 |
US2017058179(A1) |
申请公布日期 |
2017.03.02 |
| 申请号 |
US201615353331 |
申请日期 |
2016.11.16 |
| 申请人 |
CANADIAN ENERGY SERVICES L.P. |
发明人 |
STOIAN STEFAN ALEXANDRU;SMITH CARL KEITH |
| 分类号 |
C09K8/16;E21B21/00;E21B21/06;C09K8/20 |
主分类号 |
C09K8/16 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. A method for drilling in a coal containing a well into a formation, the method comprising:
providing a mixed metal-viscosified drilling fluid including bentonite, and a mixed metal viscosifier of inorganic magnesium/aluminum oxides and/or hydroxides and 1% to 10% potassium sulfate (w/v); and circulating the drilling fluid through the well. |
| 地址 |
Calgary CA |
