RU2008110037A - METHOD FOR ISOLATING INTERVALS OF HIGH-INTENSITY ABSORPTION IN A WELL AND AERATED TUGGING COMPOSITION FOR ITS IMPLEMENTATION - Google Patents
METHOD FOR ISOLATING INTERVALS OF HIGH-INTENSITY ABSORPTION IN A WELL AND AERATED TUGGING COMPOSITION FOR ITS IMPLEMENTATION Download PDFInfo
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- RU2008110037A RU2008110037A RU2008110037/03A RU2008110037A RU2008110037A RU 2008110037 A RU2008110037 A RU 2008110037A RU 2008110037/03 A RU2008110037/03 A RU 2008110037/03A RU 2008110037 A RU2008110037 A RU 2008110037A RU 2008110037 A RU2008110037 A RU 2008110037A
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Abstract
1. Способ изоляции интервалов высокоинтенсивных поглощений в скважине, включающий закачку в интервал поглощений цементного раствора и полимерного состава, отличающийся тем, что закачку цементного раствора и полимерного состава производят последовательно друг за другом, при этом в качестве цементного раствора используют аэрированный тампонажный состав, который содержит базовую основу при следующем соотношении компонентов, мас.ч: ! Портландцемент85-100Алюмосиликатные микросферыдо 15Пенообразователь - анионные ПАВ - синтетические продукты из поверхностно-активных и вспомогательных веществ на основе смоляных и нафтеновых кислот0,1-0,3Ускоритель сроков схватывания4,0-7,0Вода50-60 ! и дополнительно газообразный агент в количестве, обеспечивающем плотность аэрированного тампонажного состава 800-1000 кг/м3, а в качестве полимерного состава используют полимерцементную пасту, состоящую из двух композиций, закачиваемых в скважину раздельно последовательно, первая из которых состоит из следующих компонентов, мас.ч: ! Вяжущее100.0Полиакриламиддо 0,3Ускоритель сроков схватывания5,0-8,0Вода40-50 ! а вторая композиция представляет собой 0,7-1,2%-ный водный раствор полиакриламида, причем в качестве вяжущего первая композиция содержит портландцемент или его смесь с бентонитовым глинопорошком при их массовом соотношении как (96,0÷99,8):(4,0÷0,2) соответственно. ! 2. Способ по п.1, отличающийся тем, что в качестве ускорителя сроков схватывания базовая основа аэрированного тампонажного состава содержит хлорид натрия или хлорид кальция. ! 3. Способ по п.1, отличающийся тем, что первая композиция полимерцементной пасты дополнительно содержит наполни1. The method of isolating the intervals of high-intensity absorption in the well, including the injection into the absorption interval of the cement and polymer composition, characterized in that the injection of cement and polymer composition is carried out sequentially one after another, while aerated grouting composition is used as cement mortar, which contains the basic basis in the following ratio of components, parts by weight:! Portland cement 85-100 Aluminosilicate microspheres up to 15 Foaming agent - anionic surfactants - synthetic products from surface-active and auxiliary substances based on resin and naphthenic acids 0.1-0.3 Accelerator of setting time 4.0-7.0 Water 50-60! and additionally a gaseous agent in an amount providing a density of aerated grouting composition of 800-1000 kg / m3, and a polymer-cement paste consisting of two compositions injected into the well separately in series, the first of which consists of the following components, wt.h. :! Binder 100.0 Polyacrylamide up to 0.3 Setting time accelerator 5.0-8.0 Water 40-50! and the second composition is a 0.7-1.2% aqueous solution of polyacrylamide, and as a binder, the first composition contains Portland cement or its mixture with bentonite clay powder in a mass ratio of (96.0 ÷ 99.8) :( 4 , 0 ÷ 0.2), respectively. ! 2. The method according to claim 1, characterized in that, as an accelerator of the setting time, the base base of the aerated grouting composition contains sodium chloride or calcium chloride. ! 3. The method according to claim 1, characterized in that the first composition of the polymer-cement paste further comprises filling
Claims (7)
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RU2008110037/03A RU2379474C2 (en) | 2008-03-14 | 2008-03-14 | Wells high intensity absorption intervals insulation method and aerated slurry for its execution |
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RU2008110037/03A RU2379474C2 (en) | 2008-03-14 | 2008-03-14 | Wells high intensity absorption intervals insulation method and aerated slurry for its execution |
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RU2008110037A true RU2008110037A (en) | 2009-09-20 |
RU2379474C2 RU2379474C2 (en) | 2010-01-20 |
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RU2008110037/03A RU2379474C2 (en) | 2008-03-14 | 2008-03-14 | Wells high intensity absorption intervals insulation method and aerated slurry for its execution |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2448999C1 (en) * | 2010-12-13 | 2012-04-27 | Общество с ограниченной ответственностью "ЛУКОЙЛ-Инжиниринг" (ООО "ЛУКОЙЛ-Инжиниринг") | Light insulating backfill |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8287640B2 (en) * | 2008-09-29 | 2012-10-16 | Clearwater International, Llc | Stable foamed cement slurry compositions and methods for making and using same |
RU2523588C1 (en) * | 2013-04-11 | 2014-07-20 | Общество с ограниченной ответственностью "Стройинвест" | Oil-well light weight portlandcement |
RU2553753C1 (en) * | 2014-03-19 | 2015-06-20 | Общество с ограниченной ответственностью "ЛУКОЙЛ-ПЕРМЬ" (ООО "ЛУКОЙЛ-ПЕРМЬ") | Insulating composition for protection from intensive absorption in intervals of fissured rocks |
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2008
- 2008-03-14 RU RU2008110037/03A patent/RU2379474C2/en active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2448999C1 (en) * | 2010-12-13 | 2012-04-27 | Общество с ограниченной ответственностью "ЛУКОЙЛ-Инжиниринг" (ООО "ЛУКОЙЛ-Инжиниринг") | Light insulating backfill |
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RU2379474C2 (en) | 2010-01-20 |
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