RU97109020A - METHOD FOR PROCESSING BORROWING ZONE OF OIL LINE - Google Patents

METHOD FOR PROCESSING BORROWING ZONE OF OIL LINE

Info

Publication number
RU97109020A
RU97109020A RU97109020/03A RU97109020A RU97109020A RU 97109020 A RU97109020 A RU 97109020A RU 97109020/03 A RU97109020/03 A RU 97109020/03A RU 97109020 A RU97109020 A RU 97109020A RU 97109020 A RU97109020 A RU 97109020A
Authority
RU
Russia
Prior art keywords
processing
oil line
acid salt
hypochlorous acid
zone
Prior art date
Application number
RU97109020/03A
Other languages
Russian (ru)
Other versions
RU2135762C1 (en
Inventor
П.М. Южанинов
Т.В. Федотова
В.А. Качин
С.В. Матяшов
Original Assignee
Открытое акционерное общество "ПермНИПИнефть"
Filing date
Publication date
Application filed by Открытое акционерное общество "ПермНИПИнефть" filed Critical Открытое акционерное общество "ПермНИПИнефть"
Priority to RU97109020/03A priority Critical patent/RU2135762C1/en
Priority claimed from RU97109020/03A external-priority patent/RU2135762C1/en
Publication of RU97109020A publication Critical patent/RU97109020A/en
Application granted granted Critical
Publication of RU2135762C1 publication Critical patent/RU2135762C1/en

Links

Claims (1)

Способ обработки призабойной зоны нефтяного пласта, включающий закачку в пласт соли хлорноватистой кислоты и раствора соляной кислоты и последующую выдержку, отличающийся тем, что закачку в пласт соли хлорноватистой кислоты и закачку раствора соляной кислоты производят раздельно друг за другом соответственно с интервалом между этими закачками не менее 1 ч при соотношении соли хлорноватистой кислоты к соляной кислоте (в пересчете на сухой продукт) как 1: (1 - 10), при этом в качестве соли хлорноватистой кислоты используют гипохлорит натрия или хлорную известь.A method for treating the bottom-hole zone of an oil reservoir, including the injection of hypochlorous acid salt and hydrochloric acid solution into the formation and subsequent exposure, characterized in that the injection of hypochlorous acid salt into the reservoir and hydrochloric acid solution are injected separately one after another, respectively, with an interval between these injections of at least 1 h at a ratio of hypochlorous acid salt to hydrochloric acid (in terms of dry product) as 1: (1 - 10), while sodium hypochlorite is used as a hypochlorous acid salt and whether bleach.
RU97109020/03A 1997-06-06 1997-06-06 Method of treating formation bottom zone RU2135762C1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU97109020/03A RU2135762C1 (en) 1997-06-06 1997-06-06 Method of treating formation bottom zone

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU97109020/03A RU2135762C1 (en) 1997-06-06 1997-06-06 Method of treating formation bottom zone

Publications (2)

Publication Number Publication Date
RU97109020A true RU97109020A (en) 1999-05-10
RU2135762C1 RU2135762C1 (en) 1999-08-27

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
RU97109020/03A RU2135762C1 (en) 1997-06-06 1997-06-06 Method of treating formation bottom zone

Country Status (1)

Country Link
RU (1) RU2135762C1 (en)

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