| 发明名称 |
Method of fracturing using mannanohydrolase enzyme breaker |
| 摘要 |
A thermophilic mannanohydrolase enzyme may be used as an enzyme breaker for fracturing fluids containing hydratable polymers of guar and underivatized guar. The enzyme is effective in downhole temperatures exceeding 160° F. |
| 申请公布号 |
US8058212(B2) |
申请公布日期 |
2011.11.15 |
| 申请号 |
US20090579771 |
申请日期 |
2009.10.15 |
| 申请人 |
ARMSTRONG CHARLES DAVID;BAKER HUGHES INCORPORATED |
发明人 |
ARMSTRONG CHARLES DAVID |
| 分类号 |
C09K8/60 |
主分类号 |
C09K8/60 |
| 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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