发明名称 |
ROCK STRESS MODIFICATION TECHNIQUE |
摘要 |
A technique involves facilitating fracturing operations along a wellbore (22) extending through a subterranean formation. A stress device (36) is deployed in a wellbore and activated to engage a surrounding wall (42). The stress device can then be manipulated to create a reduced stress region in the formation at a desired location along the wellbore. The reduced stress region facilitates the controlled formation of a fracture (34) in the formation at the desired location. Furthermore, the stress device can be moved and the process repeated at multiple locations along the wellbore. |
申请公布号 |
CA2721369(C) |
申请公布日期 |
2013.12.17 |
申请号 |
CA20092721369 |
申请日期 |
2009.04.09 |
申请人 |
SCHLUMBERGER CANADA LIMITED |
发明人 |
OLSEN, THOMAS N.;BRATTON, TOM R. |
分类号 |
E21B43/26;E21B49/00 |
主分类号 |
E21B43/26 |
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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