RU2003125214A - ACID COMPOSITION FOR TREATMENT OF LOW-PERMEABLE TERRIGENOUS COLLECTORS AND METHOD OF ACID TREATMENT OF BOTTOMFLOUR ZONE WITH ITS APPLICATION - Google Patents

ACID COMPOSITION FOR TREATMENT OF LOW-PERMEABLE TERRIGENOUS COLLECTORS AND METHOD OF ACID TREATMENT OF BOTTOMFLOUR ZONE WITH ITS APPLICATION Download PDF

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Publication number
RU2003125214A
RU2003125214A RU2003125214/03A RU2003125214A RU2003125214A RU 2003125214 A RU2003125214 A RU 2003125214A RU 2003125214/03 A RU2003125214/03 A RU 2003125214/03A RU 2003125214 A RU2003125214 A RU 2003125214A RU 2003125214 A RU2003125214 A RU 2003125214A
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RU
Russia
Prior art keywords
acid
containing reagent
acid composition
composition
treatment
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RU2003125214/03A
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Russian (ru)
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RU2242604C1 (en
Inventor
Рашид Сайпуевич Магадов (RU)
Рашид Сайпуевич Магадов
Любовь Абдулаевна Магадова (RU)
Любовь Абдулаевна Магадова
Вера Николаевна Мариненко (RU)
Вера Николаевна Мариненко
Михаил Александрович Силин (RU)
Михаил Александрович Силин
Евгений Геннадьевич Гаевой (RU)
Евгений Геннадьевич Гаевой
Михаил Дмитриевич Пахомов (RU)
Михаил Дмитриевич Пахомов
Надежда Михайловна Николаева (RU)
Надежда Михайловна Николаева
Владимир Борисович Губанов (RU)
Владимир Борисович Губанов
Валерий Рашидович Магадов (RU)
Валерий Рашидович Магадов
Гульчехра Чекалина (RU)
Гульчехра Чекалина
Михаил Иванович Рудь (RU)
Михаил Иванович Рудь
Константин Игоревич Зайцев (RU)
Константин Игоревич Зайцев
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ЗАО "Химеко-ГАНГ" (RU)
ЗАО "Химеко-ГАНГ"
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Priority to RU2003125214/03A priority Critical patent/RU2242604C1/en
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Publication of RU2242604C1 publication Critical patent/RU2242604C1/en
Publication of RU2003125214A publication Critical patent/RU2003125214A/en

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  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)

Claims (2)

1. Кислотный состав для обработки низкопроницаемых терригенных коллекторов, включающий хлорсодержащий реагент, фторсодержащий реагент, гликоль и пресную воду, отличающийся тем, что дополнительно содержит смесь алкилфосфорных кислот -"Алкилфосфат - Химеко", представляющий собой сложную смесь алкилфосфорных кислот на основе первичных жирных спиртов, фракции С612, оксаспиртов, фракции C1-nC4 и низкомолекулярных спиртов, фракции C12, или "Эфирокс-7" - продукт этерификации этоксилатов спиртов фракции С7-C12 пентоксидом фосфора, или "Фосфол-10" - продукт этерификации этоксиизононилфенола пентоксидом фосфора, в качестве хлорсодержащего реагента содержит хлорид аммония или ингибированную соляную кислоту, в качестве фторсодержащего реагента - плавиковую кислоту, или бифторид аммония, или фторид аммония, а в качестве гликоля - полигликоли, при следующем соотношении компонентов, в расчете на основное вещество, мас.%:1. An acid composition for treating low-permeability terrigenous reservoirs, including a chlorine-containing reagent, a fluorine-containing reagent, glycol and fresh water, characterized in that it additionally contains a mixture of alkylphosphoric acids - "Alkylphosphate - Himeko", which is a complex mixture of alkylphosphoric acids based on primary fatty alcohols, C 6 -C 12 fractions, oxo alcohols, C 1 -nC 4 fractions and low molecular weight alcohols, C 1 -C 2 fractions, or Efiroks-7 - the product of the esterification of ethoxylates of C 7 -C 12 alcohols with phosphorus pentoxide, or Phosphol- 1 0 "- the product of the esterification of ethoxyisononylphenol with phosphorus pentoxide, as a chlorine-containing reagent contains ammonium chloride or inhibited hydrochloric acid, as a fluorine-containing reagent - hydrofluoric acid, or ammonium bifluoride, or ammonium fluoride, and as glycol - polyglycol, in the following ratio, in the following ratio calculated on the main substance, wt.%: Смесь алкилфосфорных кислот:A mixture of alkylphosphoric acids: "Алкилфосфат - Химеко","Alkylphosphate - Himeko", или "Эфирокс-7",or "Etherox-7", или"Фосфол-10" 10,0-30,0or "Fosfol-10" 10.0-30.0 Хлорсодержащий реагент:Chlorine-containing reagent: хлорид аммония илиammonium chloride or ингибированнаяinhibited соляная кислота 1,0-5,0hydrochloric acid 1.0-5.0 Фторсодержащий реагент:Fluorine-containing reagent: плавиковая кислота илиhydrofluoric acid or бифторид аммония,ammonium bifluoride, или фторид аммония 1,0-5,0or ammonium fluoride 1.0-5.0 Полигликоли 10,0-40,0Polyglycols 10.0-40.0 Пресная вода остальноеFresh water rest 2. Способ кислотной обработки призабойной зоны терригенного пласта, включающий последовательную закачку в скважину буферной жидкости и кислотного состава, продавку его в пласт при помощи буферной жидкости, выдержку на реакцию и последующее удаление продуктов реакции, отличающийся тем, что в качестве кислотного состава используется состав по п.1 или его водный раствор, полученный при разбавлении указанного состава пресной водой в соотношении кислотный состав:вода 1:1-5, соответственно, в количестве 0,5-2,0 м3 на 1 м перфорированной толщины пласта, в качестве буферной жидкости используется 1,5-3,0%-ный раствор хлорида аммония, или нефть, или дизельное топливо в количестве 0,5-1,5 м3 на 1 м перфорированной толщины пласта перед закачкой кислотного состава, и в количестве 1,0-5,0 м3 при его продавке, а выдержка на реакцию составляет не более 8 часов.2. A method of acidizing the bottom-hole zone of a terrigenous formation, including sequentially injecting a buffer fluid and an acid composition into the well, pumping it into the formation using a buffer fluid, holding the reaction and subsequent removal of reaction products, characterized in that the composition is used as the acid composition claim 1 or an aqueous solution obtained by diluting said composition with fresh water in a ratio of the acid composition: water 1: 1-5, respectively, in an amount of 0.5-2.0 m 3 per 1 m thickness of the perforated pla that, as the buffer fluid is used 1.5-3.0% solution of ammonium chloride, or oil, or diesel fuel in an amount of 0.5-1.5 m 3 per 1 m thickness of the perforated formation prior to injection of the acid composition, and in an amount of 1.0-5.0 m 3 when sold, and the reaction time is not more than 8 hours.
RU2003125214/03A 2003-08-15 2003-08-15 Acid composition for treating low-permeable terrigenous oil reservoirs and a method for treating bottom zone of formation using indicated composition RU2242604C1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU2003125214/03A RU2242604C1 (en) 2003-08-15 2003-08-15 Acid composition for treating low-permeable terrigenous oil reservoirs and a method for treating bottom zone of formation using indicated composition

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Application Number Priority Date Filing Date Title
RU2003125214/03A RU2242604C1 (en) 2003-08-15 2003-08-15 Acid composition for treating low-permeable terrigenous oil reservoirs and a method for treating bottom zone of formation using indicated composition

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RU2242604C1 RU2242604C1 (en) 2004-12-20
RU2003125214A true RU2003125214A (en) 2005-02-27

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Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2451175C1 (en) * 2010-12-15 2012-05-20 Открытое акционерное общество "Газпром" Method of bottom-hole zone treatment of low-permeable terrigenous formations (versions)
RU2531983C1 (en) * 2013-07-10 2014-10-27 Общество с ограниченной ответственностью "ТюменНИИгипрогаз" Processing of hole-bottom area of cavernous fracture terrigenous bed with near gas-water contact
RU2643050C2 (en) * 2015-11-09 2018-01-30 Фарит Фазитович Мухамедьянов Acid surface-active composition for treating bottom-hole zone of oil and gas wells

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Effective date: 20180816