| 发明名称 | Well servicing fluid and method of servicing a well with the fluid | ||
| 摘要 | A well servicing fluid is formulated by combining ingredients comprising: an aqueous based fluid comprising sulfate ions at a concentration greater than 50 mg/l; a chelating agent; and an acid in an amount sufficient to result in the well servicing fluid having a pH of 4.5 or less. A method of servicing a well is also disclosed. | ||
| 申请公布号 | US8978762(B2) | 申请公布日期 | 2015.03.17 |
| 申请号 | US201113193152 | 申请日期 | 2011.07.28 |
| 申请人 | Baker Hughes Incorporated | 发明人 | Berry Sandra L.;Boles Joel L.;Cawiezel Kay E.;Smith Kern L. |
| 分类号 | E21B43/00;C09K8/74 | 主分类号 | E21B43/00 |
| 代理机构 | Parsons Behle & Latimer | 代理人 | Parsons Behle & Latimer |
| 主权项 | 1. A well servicing fluid formulated by combining ingredients comprising: an aqueous based fluid comprising sulfate ions at a concentration greater than 50 mg/l; a chelating agent; and an acid in an amount sufficient to result in the well servicing fluid having a pH of 1 or less, the well servicing fluid not employing xanthan gum in an amount effective for use as a viscosifying agent. | ||
| 地址 | Houston TX US | ||