发明名称 |
Low temperature breakers for gelled fracturing fluids |
摘要 |
A method of breaking gelled viscosities of oil-based gelled fracturing fluids used in low temperature formations having operating temperatures ranging between about 60 DEG -120 DEG F. which comprises treating said oil-based gelled fracturing fluids with an effective amount of a chemical breaker consisting essentially of an effective admixture of hydrated lime and sodium bicarbonate.
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申请公布号 |
US4795574(A) |
申请公布日期 |
1989.01.03 |
申请号 |
US19870119931 |
申请日期 |
1987.11.13 |
申请人 |
NALCO CHEMICAL COMPANY |
发明人 |
SYRINEK, ALLEN R.;LYON, LAWRENCE B. |
分类号 |
C09K8/64;(IPC1-7):E21B43/26 |
主分类号 |
C09K8/64 |
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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