| 发明名称 | Environmentally friendly low temperature breaker systems and related methods | ||
| 摘要 | An embodiment of the present invention includes a method comprising: (a) providing a filter cake on a surface in a subterranean formation, the filter cake comprising a polymer and a bridging agent; (b) providing a filter cake clean-up fluid that comprises an aqueous fluid and L-glutamic acid N,N-diacetic acid; and (c) contacting the filter cake with the filter cake clean-up fluid so that a portion of the subterranean formation neighboring the filter cake has a regain permeability of at least about 86%. | ||
| 申请公布号 | US8881823(B2) | 申请公布日期 | 2014.11.11 |
| 申请号 | US201113099564 | 申请日期 | 2011.05.03 |
| 申请人 | Halliburton Energy Services, Inc. | 发明人 | Collins Natalia;Nzeadibe Kingsley;Almond Stephen W.;Thaemlitz Carl |
| 分类号 | E21B37/06;C09K8/508;C09K8/524 | 主分类号 | E21B37/06 |
| 代理机构 | McDermott Will & Emery LLP | 代理人 | McDermott Will & Emery LLP ;Soehnge Holly |
| 主权项 | 1. A method comprising: providing a water-based treatment fluid comprising water, a bridging agent, and a polymer; depositing the bridging agent and the polymer as a filter cake along a wall of a well bore in a subterranean formation; and degrading both the bridging agent and the polymer of the filter cake with a filter cake clean-up fluid comprising an aqueous fluid and L-glutamic acid N,N-diacetic acid. | ||
| 地址 | Houston TX US | ||