发明名称 |
Methods of fracturing high temperature subterranean zones and foamed fracturing fluids therefor |
摘要 |
The present invention provides methods of fracturing high temperature subterranean zones and viscous aqueous foamed fracturing fluids therefor. A fracturing fluid of this invention comprises water, a terpolymer of 2-acrylamido-2-methylpropane-sulfonic acid, acrylamide and acrylic acid or salts thereof, a gas, a foaming agent and a viscosity breaker for effecting a controlled reduction in the viscosity of the fracturing fluid.
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申请公布号 |
US7104327(B2) |
申请公布日期 |
2006.09.12 |
申请号 |
US20030643266 |
申请日期 |
2003.08.19 |
申请人 |
HALLIBURTON ENGERY SERVICES, INC. |
发明人 |
HARRIS PHILLIP C.;HEATH STANLEY J.;FUNKHOUSER GARY P. |
分类号 |
E21B43/267;C09K8/68;C09K8/70;E21B43/00 |
主分类号 |
E21B43/267 |
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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