RU2014107250A - Самосуспендирующиеся проппанты для гидравлического разрыва пласта - Google Patents
Самосуспендирующиеся проппанты для гидравлического разрыва пласта Download PDFInfo
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- RU2014107250A RU2014107250A RU2014107250/03A RU2014107250A RU2014107250A RU 2014107250 A RU2014107250 A RU 2014107250A RU 2014107250/03 A RU2014107250/03 A RU 2014107250/03A RU 2014107250 A RU2014107250 A RU 2014107250A RU 2014107250 A RU2014107250 A RU 2014107250A
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- hydrogel
- modified proppant
- proppant
- forming polymer
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- 229920000642 polymer Polymers 0.000 claims abstract 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract 11
- 239000011248 coating agent Substances 0.000 claims abstract 6
- 238000000576 coating method Methods 0.000 claims abstract 6
- 239000012530 fluid Substances 0.000 claims abstract 6
- 239000002245 particle Substances 0.000 claims abstract 6
- 239000000758 substrate Substances 0.000 claims abstract 6
- 239000000017 hydrogel Substances 0.000 claims abstract 5
- 239000007788 liquid Substances 0.000 claims abstract 5
- 229920002401 polyacrylamide Polymers 0.000 claims abstract 5
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 claims abstract 4
- 229920002125 Sokalan® Polymers 0.000 claims abstract 4
- 229920001577 copolymer Polymers 0.000 claims abstract 4
- 125000000129 anionic group Chemical group 0.000 claims abstract 3
- 125000002091 cationic group Chemical group 0.000 claims abstract 2
- 239000011521 glass Substances 0.000 claims abstract 2
- 230000002209 hydrophobic effect Effects 0.000 claims abstract 2
- 239000013049 sediment Substances 0.000 claims abstract 2
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims 6
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims 3
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims 3
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 claims 3
- 230000015572 biosynthetic process Effects 0.000 claims 2
- 239000003431 cross linking reagent Substances 0.000 claims 2
- 125000005442 diisocyanate group Chemical group 0.000 claims 2
- XZMCDFZZKTWFGF-UHFFFAOYSA-N Cyanamide Chemical compound NC#N XZMCDFZZKTWFGF-UHFFFAOYSA-N 0.000 claims 1
- 150000008064 anhydrides Chemical class 0.000 claims 1
- 229920006318 anionic polymer Polymers 0.000 claims 1
- 239000003795 chemical substances by application Substances 0.000 claims 1
- 238000001035 drying Methods 0.000 claims 1
- 150000002118 epoxides Chemical class 0.000 claims 1
- 125000002485 formyl group Chemical class [H]C(*)=O 0.000 claims 1
- 230000036571 hydration Effects 0.000 claims 1
- 238000006703 hydration reaction Methods 0.000 claims 1
- 238000000034 method Methods 0.000 claims 1
- 238000002156 mixing Methods 0.000 claims 1
- 239000000203 mixture Substances 0.000 claims 1
- 239000002244 precipitate Substances 0.000 claims 1
- 230000002028 premature Effects 0.000 claims 1
- 238000005086 pumping Methods 0.000 claims 1
- 150000003839 salts Chemical class 0.000 abstract 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K8/00—Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations
- C09K8/60—Compositions for stimulating production by acting on the underground formation
- C09K8/80—Compositions for reinforcing fractures, e.g. compositions of proppants used to keep the fractures open
- C09K8/805—Coated proppants
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K8/00—Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations
- C09K8/60—Compositions for stimulating production by acting on the underground formation
- C09K8/62—Compositions for forming crevices or fractures
- C09K8/66—Compositions based on water or polar solvents
- C09K8/68—Compositions based on water or polar solvents containing organic compounds
- C09K8/685—Compositions based on water or polar solvents containing organic compounds containing cross-linking agents
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K8/00—Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations
- C09K8/60—Compositions for stimulating production by acting on the underground formation
- C09K8/80—Compositions for reinforcing fractures, e.g. compositions of proppants used to keep the fractures open
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K8/00—Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations
- C09K8/60—Compositions for stimulating production by acting on the underground formation
- C09K8/84—Compositions based on water or polar solvents
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/25—Methods for stimulating production
- E21B43/26—Methods for stimulating production by forming crevices or fractures
- E21B43/267—Methods for stimulating production by forming crevices or fractures reinforcing fractures by propping
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
- Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]
- Y10T428/2991—Coated
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
- Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]
- Y10T428/2991—Coated
- Y10T428/2998—Coated including synthetic resin or polymer
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Mining & Mineral Resources (AREA)
- Geology (AREA)
- Fluid Mechanics (AREA)
- Environmental & Geological Engineering (AREA)
- Physics & Mathematics (AREA)
- Geochemistry & Mineralogy (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Colloid Chemistry (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Paints Or Removers (AREA)
- Cosmetics (AREA)
Abstract
1. Модифицированный проппант, содержащий субстрат частицы проппанта, покрытый образующим гидрогель полимером, причем указанный проппант является сухим, и при этом тип и количество образующего гидрогель полимера выбраны таким образом, что когда указанный высушенный модифицированный проппант вступает в контакт с жидкостью для гидравлического разрыва на водной основе, он самосуспендируется в указанной жидкости.2. Модифицированный проппант по п. 1, отличающийся тем, что образующий гидрогель полимер выбран таким образом, что когда модифицированный проппант смешивают с водой, образующий гидрогель полимер набухает с образованием гидрогелевого покрытия вокруг субстрата частицы проппанта в течение 30 минут с момента вступления в контакт с водой.3. Модифицированный проппант по п. 1 или 2, отличающийся тем, что образующий гидрогель полимер выбран таким образом, что после того как 1 грамм модифицированного проппанта смешивают с водой в стеклянной пробирке емкостью 20 мл и оставляют на 30 минут, модифицированный проппант образует слой осадка, высота которого от примерно в 7 (5,8/0,8) до 28 (22,6/0,8) раз больше, чем высота слоя осадка проппанта, в остальном идентичного, но не модифицированного гидрогелевым покрытием.4. Модифицированный проппант по п. 1, отличающийся тем, что образующий гидрогель полимер выбран из группы, состоящей из полиакриламида, сополимеров акриламида с анионными и катионными сомономерами, гидролизованного полиакриламида, сополимеров акриламида с гидрофобными сомономерами, поли(акриловой кислоты) и солей поли(акриловой кислоты).5. Модифицированный проппант по п. 1, отличающийся тем, что образующий гидрогель пол
Claims (17)
1. Модифицированный проппант, содержащий субстрат частицы проппанта, покрытый образующим гидрогель полимером, причем указанный проппант является сухим, и при этом тип и количество образующего гидрогель полимера выбраны таким образом, что когда указанный высушенный модифицированный проппант вступает в контакт с жидкостью для гидравлического разрыва на водной основе, он самосуспендируется в указанной жидкости.
2. Модифицированный проппант по п. 1, отличающийся тем, что образующий гидрогель полимер выбран таким образом, что когда модифицированный проппант смешивают с водой, образующий гидрогель полимер набухает с образованием гидрогелевого покрытия вокруг субстрата частицы проппанта в течение 30 минут с момента вступления в контакт с водой.
3. Модифицированный проппант по п. 1 или 2, отличающийся тем, что образующий гидрогель полимер выбран таким образом, что после того как 1 грамм модифицированного проппанта смешивают с водой в стеклянной пробирке емкостью 20 мл и оставляют на 30 минут, модифицированный проппант образует слой осадка, высота которого от примерно в 7 (5,8/0,8) до 28 (22,6/0,8) раз больше, чем высота слоя осадка проппанта, в остальном идентичного, но не модифицированного гидрогелевым покрытием.
4. Модифицированный проппант по п. 1, отличающийся тем, что образующий гидрогель полимер выбран из группы, состоящей из полиакриламида, сополимеров акриламида с анионными и катионными сомономерами, гидролизованного полиакриламида, сополимеров акриламида с гидрофобными сомономерами, поли(акриловой кислоты) и солей поли(акриловой кислоты).
5. Модифицированный проппант по п. 1, отличающийся тем, что образующий гидрогель полимер является анионным полимером.
6. Модифицированный проппант по любому из пп. 1, 4, 5, отличающийся тем, что образующий гидрогель полимер является анионным полиакриламидом.
7. Модифицированный проппант по п. 1, отличающийся тем, что покрытие из образующего гидрогель полимера нанесено путем смешивания субстрата частиц проппанта с жидкой композицией полимера, содержащей образующий гидрогель полимер и жидкость-носитель, включающую воду и органическую жидкость, с последующей сушкой с целью удаления воды.
8. Модифицированный проппант по п. 1, отличающийся тем, что образующий гидрогель полимер поперечно сшит в количестве, достаточном для предотвращения преждевременной гидратации модифицированного проппанта влагой воздуха.
9. Модифицированный проппант по п. 8, отличающийся тем, что сшивающий агент является ковалентным и выбран из группы, состоящей из эпоксида, ангидрида, альдегида, диизоцианата и карбодиамида.
10. Модифицированный проппант по п. 8, отличающийся тем, что сшивающим агентом является диизоцианат.
11. Модифицированный проппант по п. 1, отличающийся тем, что тип и количество образующего гидрогель полимера выбраны таким образом, что модифицированный проппант является самосуспендирующимся в жидкости для разрыва на водной основе и при этом долговечным - в том смысле, что он остается самосуспендирующимся после приложения сдвиговых усилий в течение 20 минут при скорости сдвига примерно 550 с-1.
12. Модифицированный проппант по п. 1, отличающийся тем, что покрытие частиц субстрата проппанта, выполненное из образующего гидрогель полимера, содержит спирт.
13. Модифицированный проппант по п. 12, отличающийся тем, что указанный спирт является по меньшей мере одним из этиленгликоля, пропиленгликоля и глицерина.
14. Модифицированный проппант по п. 12, отличающийся тем, что указанный спирт является глицерином.
15. Модифицированный проппант по п. 1, отличающийся тем, что указанный модифицированный проппант скомбинирован с агентом, предотвращающим слеживание, способным улучшить текучесть модифицированного проппанта.
16. Водосодержащая жидкость для разрыва, содержащая жидкость-носитель на водной основе и модифицированный проппант по любому из пп. 1-15.
17. Способ разрыва подземного пласта, включающий закачивание в пласт водосодержащей жидкости для разрыва по п. 16.
Applications Claiming Priority (7)
Application Number | Priority Date | Filing Date | Title |
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US201161529600P | 2011-08-31 | 2011-08-31 | |
US61/529,600 | 2011-08-31 | ||
US201261635612P | 2012-04-19 | 2012-04-19 | |
US61/635,612 | 2012-04-19 | ||
US201261662681P | 2012-06-21 | 2012-06-21 | |
US61/662,681 | 2012-06-21 | ||
PCT/US2012/053134 WO2013033391A1 (en) | 2011-08-31 | 2012-08-30 | Self-suspending proppants for hydraulic fracturing |
Publications (2)
Publication Number | Publication Date |
---|---|
RU2014107250A true RU2014107250A (ru) | 2015-10-10 |
RU2602250C2 RU2602250C2 (ru) | 2016-11-10 |
Family
ID=47756870
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
RU2014107250/03A RU2602250C2 (ru) | 2011-08-31 | 2012-08-30 | Самосуспендирующиеся проппанты для гидравлического разрыва пласта |
Country Status (10)
Country | Link |
---|---|
US (5) | US9315721B2 (ru) |
EP (1) | EP2751387B1 (ru) |
CN (1) | CN103764948B (ru) |
AU (1) | AU2012301900B2 (ru) |
BR (1) | BR112014004314A2 (ru) |
CA (1) | CA2845840C (ru) |
DK (1) | DK2751387T3 (ru) |
MX (1) | MX365956B (ru) |
RU (1) | RU2602250C2 (ru) |
WO (1) | WO2013033391A1 (ru) |
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2019
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DK2751387T3 (da) | 2019-08-19 |
RU2602250C2 (ru) | 2016-11-10 |
US20160200967A1 (en) | 2016-07-14 |
EP2751387B1 (en) | 2019-06-19 |
US10316244B2 (en) | 2019-06-11 |
US9315721B2 (en) | 2016-04-19 |
US9796916B2 (en) | 2017-10-24 |
CN103764948B (zh) | 2018-05-18 |
US20170058191A1 (en) | 2017-03-02 |
CA2845840C (en) | 2020-02-25 |
EP2751387A1 (en) | 2014-07-09 |
CN103764948A (zh) | 2014-04-30 |
MX365956B (es) | 2019-06-18 |
US20180134950A1 (en) | 2018-05-17 |
US9845429B2 (en) | 2017-12-19 |
AU2012301900A1 (en) | 2014-03-06 |
MX2014002423A (es) | 2014-10-14 |
US20130233545A1 (en) | 2013-09-12 |
CA2845840A1 (en) | 2013-03-07 |
AU2012301900B2 (en) | 2016-10-13 |
EP2751387A4 (en) | 2015-09-16 |
BR112014004314A2 (pt) | 2017-09-12 |
US20190284468A1 (en) | 2019-09-19 |
WO2013033391A1 (en) | 2013-03-07 |
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