发明名称 |
Compositions and methods for weighting a breaker coating for uniform distribution in a particulate pack |
摘要 |
The present invention involves methods and compositions for treating subterranean formations, and more specifically, relates to improved methods and compositions for degrading filter cake deposited in a subterranean formation by effecting a uniform distribution of a filter cake breaker. One embodiment of the present invention provides a weighted encapsulated breaker comprising a breaker material; and, a coating material comprising a polymer material and a filler material having a specific gravity of at least about 6.5.
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申请公布号 |
US2005103496(A1) |
申请公布日期 |
2005.05.19 |
申请号 |
US20030715799 |
申请日期 |
2003.11.18 |
申请人 |
TODD BRADLEY L.;REDDY B. R. |
发明人 |
TODD BRADLEY L.;REDDY B. R. |
分类号 |
C09K8/52;C09K8/536;(IPC1-7):E21B43/04;E21B37/00 |
主分类号 |
C09K8/52 |
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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