发明名称 |
MODIFYING THE PERMEABILITY OF FORMATIONS BY INJECTING PHENOLIC GELS |
摘要 |
Hydrocarbon recovery from subterranean reservoirs that are penetrated by either injector or producer wells is enhanced by selective permeability modification of the strata of the reservoir with gel-forming phenolic compositions. The injection of the phenolic composition follows a pH sequence specific to the reservoir environment which allows emplacement of the gel-forming composition the desired distance away from the wellbore and production of a uniform gel throughout the treated hydrocarbon-bearing reservoir. The permeability of a treated subterranean reservoir can be restored by treatment of the reservoir with either aqueous hypochlorite or mineral acid. |
申请公布号 |
AU4811485(A) |
申请公布日期 |
1986.08.21 |
申请号 |
AU19850048114 |
申请日期 |
1985.09.30 |
申请人 |
PFIZER INC. |
发明人 |
PING WU CHANG;GORDON SWIGHT GRUETZMACHER;CLIFFORD NATHANIEL MELTZ;ROCCO ADOLFO TOTINO |
分类号 |
C09K8/02;C09K8/58;C09K8/88;E21B43/32 |
主分类号 |
C09K8/02 |
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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