发明名称 |
METHODS AND COMPOSITIONS FOR TREATING SUBTERRANEAN FORMATIONS WITH SWELLABLE LOST CIRCULATION MATERIALS |
摘要 |
Methods of treating a fluid loss zone in a wellbore in a subterranean formation including providing swellable particles having an initial unswelled volume, wherein the swellable particles upon swelling adopt a specific shape; introducing the swellable particles into the wellbore in the subterranean formation; and swelling the swellable particles so as to adopt a swelled volume beyond the initial unswelled volume; and sealing at least a portion of the fluid loss zone. |
申请公布号 |
EP2959102(A1) |
申请公布日期 |
2015.12.30 |
申请号 |
EP20140753610 |
申请日期 |
2014.02.11 |
申请人 |
HALLIBURTON ENERGY SERVICES, INC. |
发明人 |
JAMISON, DALE E.;MURPHY, ROBERT J.;MILLER, MATTHEW L. |
分类号 |
E21B47/10;E21B21/08;E21B43/22;E21B49/00 |
主分类号 |
E21B47/10 |
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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