RU98104682A - METHOD FOR TREATING A BOTTOM ZONE OF A STRESS WELL - Google Patents

METHOD FOR TREATING A BOTTOM ZONE OF A STRESS WELL

Info

Publication number
RU98104682A
RU98104682A RU98104682/03A RU98104682A RU98104682A RU 98104682 A RU98104682 A RU 98104682A RU 98104682/03 A RU98104682/03 A RU 98104682/03A RU 98104682 A RU98104682 A RU 98104682A RU 98104682 A RU98104682 A RU 98104682A
Authority
RU
Russia
Prior art keywords
well
treating
pressure
bottom zone
surfactant
Prior art date
Application number
RU98104682/03A
Other languages
Russian (ru)
Other versions
RU2117146C1 (en
Inventor
Э.И. Сулейманов
Г.Г. Ганиев
А.И. Иванов
М.Х. Валеев
А.А. Сивухин
Original Assignee
Нефтегазодобывающее управление "Бавлынефть" ОАО "Татнефть"
Filing date
Publication date
Application filed by Нефтегазодобывающее управление "Бавлынефть" ОАО "Татнефть" filed Critical Нефтегазодобывающее управление "Бавлынефть" ОАО "Татнефть"
Priority to RU98104682A priority Critical patent/RU2117146C1/en
Priority claimed from RU98104682A external-priority patent/RU2117146C1/en
Application granted granted Critical
Publication of RU2117146C1 publication Critical patent/RU2117146C1/en
Publication of RU98104682A publication Critical patent/RU98104682A/en

Links

Claims (1)

Способ обработки призабойной зоны, включающий промывку скважины водным раствором поверхностно-активного вещества, провидение импульсно-депрессионного воздействия с откачкой скважинной жидкости и испытание приемистости скважины закачкой раствора поверхностно-активного вещества, отличающийся тем, что для обработки выбирают нагнетательную скважину, вскрывшую пласт с проницаемостью не более 500 мД, скважину предварительно промывают растворителем асфальтосмолистых и парафиногидратных отложений циркуляцией в течение 6-10 ч, затем заполняют чистым растворителем асфальтосмолистых и парафиногидратных отложений, создают давление в скважине, близкое к давлению опрессовки обсадной колонны, и резко сбрасывают давление до атмосферного, повторяют циклы создания и сбрасывания давления 10-15 раз.A method of treating a bottom-hole zone, including flushing a well with an aqueous solution of a surfactant, providing pulse-depressive action with pumping out a well fluid and testing injectivity of a well by injecting a surfactant solution, characterized in that an injection well is selected for processing, which opened the formation with no permeability more than 500 mD, the well is pre-washed with a solvent of asphalt-resinous and paraffin hydrate deposits by circulation for 6-10 hours, then filled was pure solvent and parafinogidratnyh asphaltene deposits in the well, a pressure close to the pressure molding of the casing, and abruptly releasing the pressure to atmospheric pressure, and repeated cycles of creation depressurization 10-15 times.
RU98104682A 1998-03-12 1998-03-12 Method for treating bottom-hole zone of injection well RU2117146C1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU98104682A RU2117146C1 (en) 1998-03-12 1998-03-12 Method for treating bottom-hole zone of injection well

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU98104682A RU2117146C1 (en) 1998-03-12 1998-03-12 Method for treating bottom-hole zone of injection well

Publications (2)

Publication Number Publication Date
RU2117146C1 RU2117146C1 (en) 1998-08-10
RU98104682A true RU98104682A (en) 1999-03-20

Family

ID=20203380

Family Applications (1)

Application Number Title Priority Date Filing Date
RU98104682A RU2117146C1 (en) 1998-03-12 1998-03-12 Method for treating bottom-hole zone of injection well

Country Status (1)

Country Link
RU (1) RU2117146C1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2455463C1 (en) * 2011-09-06 2012-07-10 Открытое акционерное общество "Татнефть" им. В.Д. Шашина Method of well repair

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