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RU2000119863A - METHOD FOR PROCESSING BOTTOM ZONE OF HIGH-TEMPERATURE LOW-PERMEABLE ALEUROLITO-CLAY CLAYS OF THE JURAISIAN LAYOUTS - Google Patents

METHOD FOR PROCESSING BOTTOM ZONE OF HIGH-TEMPERATURE LOW-PERMEABLE ALEUROLITO-CLAY CLAYS OF THE JURAISIAN LAYOUTS

Info

Publication number
RU2000119863A
RU2000119863A RU2000119863/03A RU2000119863A RU2000119863A RU 2000119863 A RU2000119863 A RU 2000119863A RU 2000119863/03 A RU2000119863/03 A RU 2000119863/03A RU 2000119863 A RU2000119863 A RU 2000119863A RU 2000119863 A RU2000119863 A RU 2000119863A
Authority
RU
Russia
Prior art keywords
temperature low
juraisian
aleurolito
acid composition
layouts
Prior art date
Application number
RU2000119863/03A
Other languages
Russian (ru)
Other versions
RU2191260C2 (en
Inventor
Юрий Васильевич Земцов
Риваль Нуретдинович Фахретдинов
Виктор Николаевич Сергиенко
Тамара Степановна Новоселова
Аленик Григорьевич Газаров
Владимир Александрович Жуков
Original Assignee
Общество с ограниченной ответственностью Научно-исследовательский и проектный институт нефти
Filing date
Publication date
Application filed by Общество с ограниченной ответственностью Научно-исследовательский и проектный институт нефти filed Critical Общество с ограниченной ответственностью Научно-исследовательский и проектный институт нефти
Priority to RU2000119863A priority Critical patent/RU2191260C2/en
Priority claimed from RU2000119863A external-priority patent/RU2191260C2/en
Publication of RU2000119863A publication Critical patent/RU2000119863A/en
Application granted granted Critical
Publication of RU2191260C2 publication Critical patent/RU2191260C2/en

Links

Claims (3)

1. Способ обработки призабойной зоны высокотемпературных низкопроницаемых алевролито-глинистых коллекторов юрских отложений Баженовской свиты путем последовательной закачки в пласт буферной жидкости, кислотного состава и вновь буферной жидкости, отличающийся тем, что, с целью предупреждения вторичного осадко- и гелеобразования продуктов реакции, повышения проникающей способности кислотного состава в низкопроницаемый коллектор и улучшения удаления из обработанной зоны отработанного раствора и продуктов реакции, солянокислотный состав продавливают в пласт водным раствором уксусной кислоты, в качестве буферных жидкостей используют взаимные растворители, а обработку проводят в динамическом режиме, не оставляя закачанные реагенты в призабойной зоне на реакцию.1. The method of processing the bottom-hole zone of high-temperature low-permeability siltstone-clay reservoirs of the Jurassic sediments of the Bazhenov formation by sequentially injecting buffer fluid, acid composition and again buffer fluid, characterized in that, in order to prevent secondary sedimentation and gelation of the reaction products, to increase penetration acid composition in a low-permeability reservoir and improved removal of the spent solution and reaction products from the treated zone, hydrochloric acid After being pushed into the formation with an aqueous solution of acetic acid, mutual solvents are used as buffer liquids, and the treatment is carried out in a dynamic mode, without leaving the injected reagents in the bottomhole zone for the reaction. 2. Способ по п. 1, отличающийся тем, что в качестве кислотного состава используют смесь соляной и уксусной кислот с взаимным растворителем. 2. The method according to p. 1, characterized in that as the acid composition using a mixture of hydrochloric and acetic acids with a mutual solvent. 3. Способ по п. 1, отличающийся тем, что в качестве взаимного растворителя используют смеси изопропилового спирта с гликолями или целлозольвами. 3. The method according to p. 1, characterized in that as a mutual solvent using a mixture of isopropyl alcohol with glycols or cellosolves.
RU2000119863A 2000-07-25 2000-07-25 Method of treating bottom-hole zone of high-temperature low permeability aleurite-argillaceous reservoirs of latitude ob region jurassic deposits RU2191260C2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU2000119863A RU2191260C2 (en) 2000-07-25 2000-07-25 Method of treating bottom-hole zone of high-temperature low permeability aleurite-argillaceous reservoirs of latitude ob region jurassic deposits

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU2000119863A RU2191260C2 (en) 2000-07-25 2000-07-25 Method of treating bottom-hole zone of high-temperature low permeability aleurite-argillaceous reservoirs of latitude ob region jurassic deposits

Publications (2)

Publication Number Publication Date
RU2000119863A true RU2000119863A (en) 2002-07-20
RU2191260C2 RU2191260C2 (en) 2002-10-20

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
RU2000119863A RU2191260C2 (en) 2000-07-25 2000-07-25 Method of treating bottom-hole zone of high-temperature low permeability aleurite-argillaceous reservoirs of latitude ob region jurassic deposits

Country Status (1)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2211325C1 (en) * 2002-09-12 2003-08-27 Мазаев Владимир Владимирович Method of treatment of bottomhole formation zone

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2270913C2 (en) * 2004-06-03 2006-02-27 Тимергалей Кабирович Апасов Method for well bottom zone treatment
RU2322578C2 (en) * 2006-05-26 2008-04-20 Общество с ограниченной ответственностью Когалымский научно-исследовательский и проектный институт нефти (ООО "КогалымНИПИнефть") Method for dynamic bottomhole zone treatment in high-temperature low-permeable reservoirs

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3819520A (en) * 1972-04-10 1974-06-25 Amoco Prod Co Mixed alcohols in well acidizing
GB1457584A (en) * 1974-03-15 1976-12-08 Amoco Prod Co Method and composition for acidizing wells
RU1607481C (en) * 1988-06-14 1994-11-15 Товарищество с ограниченной ответственностью "ЭКОМ" Method for treatment of heterogeneous formation
SU1740644A1 (en) * 1989-11-22 1992-06-15 Башкирский государственный научно-исследовательский и проектный институт нефтяной промышленности Bottomhole treatment compound
RU2042807C1 (en) * 1993-05-11 1995-08-27 Алла Илларионовна Есипенко Method for treatment of bottom-hole formation zone
RU2106484C1 (en) * 1997-06-03 1998-03-10 Валентин Тимофеевич Гребенников Method for reagent treatment of well
RU2117755C1 (en) * 1997-12-17 1998-08-20 Закрытое акционерное общество "ПИК и Ко" Method for treating bottom-hole zone of productive oil bed
RU2135755C1 (en) * 1998-01-27 1999-08-27 Мазаев Владимир Владимирович Composition for controlling oil deposits
RU2140531C1 (en) * 1998-08-12 1999-10-27 Открытое акционерное общество "Научно-исследовательский институт по нефтепромысловой химии" Method of treating bottom zone of oil formation

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2211325C1 (en) * 2002-09-12 2003-08-27 Мазаев Владимир Владимирович Method of treatment of bottomhole formation zone

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