发明名称 Method of well treatment
摘要 A method of well treatment designed to enhance recovery of resources from the well. A solution with an alkaline pH greater than 8 is introduced into the well and allowed to react in the well for at least a minimum period of time. A neutral solution with a pH near 7 is introduced into the well and allowed to remain in the well for at least a minimum period of time. Finally, a solution with an acidic pH of approximately 1 is introduced into the well and allowed to react in the well for at least a minimum period of time.
申请公布号 US5291950(A) 申请公布日期 1994.03.08
申请号 US19920936933 申请日期 1992.08.27
申请人 PETROSAKH U.S.A. 发明人 GREBENNIKOV, VALENTIN
分类号 C09K8/60;(IPC1-7):E21B43/27 主分类号 C09K8/60
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