RU2004122106A - Состав и способ для улучшения добычи нефти - Google Patents
Состав и способ для улучшения добычи нефти Download PDFInfo
- Publication number
- RU2004122106A RU2004122106A RU2004122106/03A RU2004122106A RU2004122106A RU 2004122106 A RU2004122106 A RU 2004122106A RU 2004122106/03 A RU2004122106/03 A RU 2004122106/03A RU 2004122106 A RU2004122106 A RU 2004122106A RU 2004122106 A RU2004122106 A RU 2004122106A
- Authority
- RU
- Russia
- Prior art keywords
- oil
- composition
- acid
- composition according
- fatty acid
- Prior art date
Links
- 239000000203 mixture Substances 0.000 title claims 24
- 238000000034 method Methods 0.000 title claims 7
- 238000004519 manufacturing process Methods 0.000 title claims 4
- 235000014113 dietary fatty acids Nutrition 0.000 claims 9
- 229930195729 fatty acid Natural products 0.000 claims 9
- 239000000194 fatty acid Substances 0.000 claims 9
- 239000002253 acid Substances 0.000 claims 7
- 239000004094 surface-active agent Substances 0.000 claims 7
- 150000004702 methyl esters Chemical class 0.000 claims 5
- 239000002689 soil Substances 0.000 claims 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 4
- 125000005907 alkyl ester group Chemical group 0.000 claims 3
- 125000004432 carbon atom Chemical group C* 0.000 claims 3
- 150000004665 fatty acids Chemical class 0.000 claims 3
- 239000012071 phase Substances 0.000 claims 3
- UFTFJSFQGQCHQW-UHFFFAOYSA-N triformin Chemical compound O=COCC(OC=O)COC=O UFTFJSFQGQCHQW-UHFFFAOYSA-N 0.000 claims 3
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims 2
- 239000011248 coating agent Substances 0.000 claims 2
- 238000000576 coating method Methods 0.000 claims 2
- IPCSVZSSVZVIGE-UHFFFAOYSA-N hexadecanoic acid Chemical compound CCCCCCCCCCCCCCCC(O)=O IPCSVZSSVZVIGE-UHFFFAOYSA-N 0.000 claims 2
- 239000003305 oil spill Substances 0.000 claims 2
- 239000002569 water oil cream Substances 0.000 claims 2
- OYHQOLUKZRVURQ-NTGFUMLPSA-N (9Z,12Z)-9,10,12,13-tetratritiooctadeca-9,12-dienoic acid Chemical compound C(CCCCCCC\C(=C(/C\C(=C(/CCCCC)\[3H])\[3H])\[3H])\[3H])(=O)O OYHQOLUKZRVURQ-NTGFUMLPSA-N 0.000 claims 1
- WRIDQFICGBMAFQ-UHFFFAOYSA-N (E)-8-Octadecenoic acid Natural products CCCCCCCCCC=CCCCCCCC(O)=O WRIDQFICGBMAFQ-UHFFFAOYSA-N 0.000 claims 1
- LQJBNNIYVWPHFW-UHFFFAOYSA-N 20:1omega9c fatty acid Natural products CCCCCCCCCCC=CCCCCCCCC(O)=O LQJBNNIYVWPHFW-UHFFFAOYSA-N 0.000 claims 1
- QSBYPNXLFMSGKH-UHFFFAOYSA-N 9-Heptadecensaeure Natural products CCCCCCCC=CCCCCCCCC(O)=O QSBYPNXLFMSGKH-UHFFFAOYSA-N 0.000 claims 1
- 239000004604 Blowing Agent Substances 0.000 claims 1
- 239000005642 Oleic acid Substances 0.000 claims 1
- ZQPPMHVWECSIRJ-UHFFFAOYSA-N Oleic acid Natural products CCCCCCCCC=CCCCCCCCC(O)=O ZQPPMHVWECSIRJ-UHFFFAOYSA-N 0.000 claims 1
- 235000021314 Palmitic acid Nutrition 0.000 claims 1
- QOSMNYMQXIVWKY-UHFFFAOYSA-N Propyl levulinate Chemical compound CCCOC(=O)CCC(C)=O QOSMNYMQXIVWKY-UHFFFAOYSA-N 0.000 claims 1
- 235000021355 Stearic acid Nutrition 0.000 claims 1
- 150000007513 acids Chemical class 0.000 claims 1
- 239000008346 aqueous phase Substances 0.000 claims 1
- 150000001735 carboxylic acids Chemical class 0.000 claims 1
- 238000004140 cleaning Methods 0.000 claims 1
- POLCUAVZOMRGSN-UHFFFAOYSA-N dipropyl ether Chemical compound CCCOCCC POLCUAVZOMRGSN-UHFFFAOYSA-N 0.000 claims 1
- 238000005553 drilling Methods 0.000 claims 1
- 150000002148 esters Chemical class 0.000 claims 1
- 125000004494 ethyl ester group Chemical group 0.000 claims 1
- QXJSBBXBKPUZAA-UHFFFAOYSA-N isooleic acid Natural products CCCCCCCC=CCCCCCCCCC(O)=O QXJSBBXBKPUZAA-UHFFFAOYSA-N 0.000 claims 1
- WQEPLUUGTLDZJY-UHFFFAOYSA-N n-Pentadecanoic acid Natural products CCCCCCCCCCCCCCC(O)=O WQEPLUUGTLDZJY-UHFFFAOYSA-N 0.000 claims 1
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims 1
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 claims 1
- ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid Chemical compound CCCCCCCC\C=C/CCCCCCCC(O)=O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 claims 1
- 235000021313 oleic acid Nutrition 0.000 claims 1
- 238000005191 phase separation Methods 0.000 claims 1
- 239000007921 spray Substances 0.000 claims 1
- 239000008117 stearic acid Substances 0.000 claims 1
- 235000013311 vegetables Nutrition 0.000 claims 1
- 239000000052 vinegar Substances 0.000 claims 1
- 235000021419 vinegar Nutrition 0.000 claims 1
Classifications
-
- 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
- C09K8/58—Compositions for enhanced recovery methods for obtaining hydrocarbons, i.e. for improving the mobility of the oil, e.g. displacing fluids
- C09K8/584—Compositions for enhanced recovery methods for obtaining hydrocarbons, i.e. for improving the mobility of the oil, e.g. displacing fluids characterised by the use of specific surfactants
-
- 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
- C09K3/00—Materials not provided for elsewhere
- C09K3/32—Materials not provided for elsewhere for absorbing liquids to remove pollution, e.g. oil, gasoline, fat
-
- 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
- C09K8/02—Well-drilling compositions
- C09K8/32—Non-aqueous well-drilling compositions, e.g. oil-based
- C09K8/34—Organic liquids
-
- 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
- C09K8/52—Compositions for preventing, limiting or eliminating depositions, e.g. for cleaning
-
- 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
- C09K8/58—Compositions for enhanced recovery methods for obtaining hydrocarbons, i.e. for improving the mobility of the oil, e.g. displacing fluids
- C09K8/592—Compositions used in combination with generated heat, e.g. by steam injection
-
- 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
- C09K8/72—Eroding chemicals, e.g. acids
- C09K8/74—Eroding chemicals, e.g. acids combined with additives added for specific purposes
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G1/00—Production of liquid hydrocarbon mixtures from oil-shale, oil-sand, or non-melting solid carbonaceous or similar materials, e.g. wood, coal
- C10G1/04—Production of liquid hydrocarbon mixtures from oil-shale, oil-sand, or non-melting solid carbonaceous or similar materials, e.g. wood, coal by extraction
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G33/00—Dewatering or demulsification of hydrocarbon oils
- C10G33/04—Dewatering or demulsification of hydrocarbon oils with chemical means
-
- 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
- E21B43/16—Enhanced recovery methods for obtaining hydrocarbons
- E21B43/24—Enhanced recovery methods for obtaining hydrocarbons using heat, e.g. steam injection
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Organic Chemistry (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Geology (AREA)
- Environmental & Geological Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Wood Science & Technology (AREA)
- Geochemistry & Mineralogy (AREA)
- Fats And Perfumes (AREA)
- Detergent Compositions (AREA)
- Processing Of Solid Wastes (AREA)
- Lubricants (AREA)
Claims (13)
1. Композиция, содержащая алкиловый эфир жирной кислоты; поверхностно-активное вещество; и кислоты.
2. Композиция по п. 1, отличающаяся тем, что концентрация алкилового эфира жирной кислоты составляет приблизительно от 85 до 99,89%; концентрация поверхностно-активного вещества составляет приблизительно от 0,1 до 10%; и концентрация кислоты составляет приблизительно от 0,01 до 5%.
3. Композиция по п. 1, отличающаяся тем, что концентрация алкилового сложного эфира жирной кислоты составляет приблизительно от 94 до 98,99%;
концентрация поверхностно-активного вещества составляет приблизительно от 1 до 5%; и
концентрация кислоты составляет приблизительно от 0,01 до 1%.
4. Композиция по п. 1, отличающаяся тем, что алкиловый эфир жирной кислоты содержит такой алкиловый эфир жирной кислоты, который выбран из группы, состоящей из метилового эфира – производного растительного триглицерида; из этилового эфира – производного растительного триглицерида; и из пропилового эфира – производного растительного триглицерида; и кислота содержит раствор, в состав которого входят карбоновая кислота и вода.
5. Композиция по п. 1, отличающаяся тем, что алкиловый эфир жирной кислоты содержит сложный эфир, выбранный из группы, состоящей из: соевого метилового сложного эфира, соевого этилового сложного эфира и соевого пропилового сложного эфира; поверхностно-активное вещество содержит поверхностно-активное вещество, выбранное из группы, состоящей из буровой вспенивающей добавки, F-500, TWC210; и кислота содержит уксус.
6. Композиция по п. 1, отличающаяся тем, что алкиловый эфир жирной кислоты содержит смесь метиловых сложных эфиров с длиной цепи в шестнадцать атомов углерода, метиловых сложных эфиров с длиной цепи в семнадцать атомов углерода и метиловых сложных эфиров с длиной цепи в восемнадцать атомов углерода.
7. Композиция по п. 6, отличающаяся тем, что смесь содержит линолевую кислоту, олеиновую кислоту, стеариновую кислоту и пальмитиновую кислоту.
8. Способ добычи нефти из нефтяного пласта, согласно которому вводят композицию по любому из пп. 1–5 в нефтяной пласт и добывают нефть из нефтяного пласта.
9. Способ деэмульгирования нефтеводяной эмульсии, согласно которому вводят композицию по п. 2 в нефтеводяную эмульсию, чтобы сформировать их смесь, и позволяют произойти разделению фаз, чтобы при этом получить нефтяную фазу и водную фазу.
10. Способ очистки загрязненной нефтью почвы, согласно которому смешивают композицию по п. 2 с водой, чтобы сформировать их смесь; осуществляют контактирование смеси с загрязненной нефтью почвой в емкости при температуре в пределах 100-200°F; причем отношение количества композиции в смеси к количеству почвы приблизительно равно 0,01–10; позволяют нефти отделиться от почвы в виде нефтяной фазы поверх воды; и удаляют нефтяную фазу из емкости.
11. Способ, согласно которому композицию по п. 1 в количестве 0,001–1 галлона/кв.фут наносят на природную поверхность либо до, либо после покрытия поверхности нефтью из разлива нефти; распыляют воду на природную поверхность, на которую нанесена композиция, после покрытия поверхности нефтью из разлива нефти, чтобы удалить нефть; и собирают удаленную нефть.
12. Способ, согласно которому в нефтяной пласт вводят эффективное количество добычного состава, содержащего алкиловый эфир жирной кислоты, поверхностно-активное вещество и кислоту; и удаляют нефть из нефтяного пласта.
13. Способ по п. 12, отличающийся тем, что этап введения добычного состава предусматривает введение состава в нефтяной пласт в количестве 300–3000 галлонов; при этом состав содержит 0,1–10% поверхностно-активного вещества, 0,01–5% слабой кислоты, и по меньшей мере около 85% алкилового эфира жирной кислоты растительного происхождения.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US10/028,005 | 2001-12-21 | ||
| US10/028,005 US6776234B2 (en) | 2001-12-21 | 2001-12-21 | Recovery composition and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| RU2004122106A true RU2004122106A (ru) | 2005-04-10 |
| RU2305121C2 RU2305121C2 (ru) | 2007-08-27 |
Family
ID=21841022
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RU2004122106/03A RU2305121C2 (ru) | 2001-12-21 | 2002-12-19 | Состав и способ для улучшения добычи нефти |
Country Status (6)
| Country | Link |
|---|---|
| US (3) | US6776234B2 (ru) |
| AU (1) | AU2002359795A1 (ru) |
| CA (1) | CA2471137A1 (ru) |
| MX (1) | MXPA04005793A (ru) |
| RU (1) | RU2305121C2 (ru) |
| WO (1) | WO2003055960A1 (ru) |
Families Citing this family (39)
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|---|---|---|---|---|
| US6806233B2 (en) * | 1996-08-02 | 2004-10-19 | M-I Llc | Methods of using reversible phase oil based drilling fluid |
| US7191834B2 (en) * | 2004-09-22 | 2007-03-20 | Halliburton Energy Services, Inc. | Foamed cement compositions and associated methods of use |
| US7231976B2 (en) * | 2004-11-10 | 2007-06-19 | Bj Services Company | Method of treating an oil or gas well with biodegradable low toxicity fluid system |
| US7392844B2 (en) * | 2004-11-10 | 2008-07-01 | Bj Services Company | Method of treating an oil or gas well with biodegradable low toxicity fluid system |
| US20070039896A1 (en) * | 2005-05-23 | 2007-02-22 | Bowden Robert W | Oil cleaning system and method |
| US20100043902A1 (en) * | 2005-10-04 | 2010-02-25 | Kevin Norman | Process and Apparatus for Enhanced Recovery of Oil From Oily Particulate Material |
| US7588682B2 (en) * | 2005-10-04 | 2009-09-15 | Kevin Norman | Process and apparatus for enhanced recovery of oil from oily particulate material |
| US20070287636A1 (en) * | 2006-06-09 | 2007-12-13 | Sun Drilling Products Corporation | Drilling fluid additive and base fluid compositions of matter containing B100 biodiesels; and applications of such compositions of matter in well drilling, completion, and workover operations |
| US20070299271A1 (en) * | 2006-06-27 | 2007-12-27 | Udaya Nayanskantha Wanasundara | Process for separating saturated and unsaturated fatty acids for producing cold-tolorant biodiesel fuel from soy oil |
| US7824453B2 (en) * | 2006-09-08 | 2010-11-02 | Marathon Oil Canada Corporation | Biodiesel production and use in oil sands processing |
| EP1961799A1 (en) * | 2007-02-20 | 2008-08-27 | BIOeCON International Holding N.V. | Process for reducing the viscosity of highly viscous hydrocarbon mixtures |
| US20090090658A1 (en) * | 2007-10-04 | 2009-04-09 | Zvonko Burkus | Methods for enhancing efficiency of bitumen extraction from oil sands using lipids and lipid by-products as process additives |
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| US9109150B2 (en) | 2010-03-08 | 2015-08-18 | Georgetown University | Fast recovery of thixotropy by organogels with low molecular weight gelators |
| US9708521B2 (en) | 2010-03-08 | 2017-07-18 | Georgetown University | Systems and methods employing low molecular weight gelators for crude oil, petroleum product or chemical spill containment and remediation |
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| WO2012047251A1 (en) * | 2010-08-26 | 2012-04-12 | Georgetown University | Low molecular weight gelators for crude oil, petroleum product or chemical spill containment |
| US8955589B2 (en) | 2010-12-20 | 2015-02-17 | Intevep, S.A. | Formulation and method of use for stimulation of heavy and extraheavy oil wells |
| US20120157357A1 (en) * | 2010-12-20 | 2012-06-21 | Intevep, S.A. | Detergent package for improved recovery and transport of crude oil |
| WO2012122433A2 (en) * | 2011-03-08 | 2012-09-13 | Staker & Parson Companies | Concrete mixtures including carbon encapsulating admixture |
| US20120279714A1 (en) * | 2011-05-04 | 2012-11-08 | Timothy Lesko | Chemical line flush systems |
| CN102977872B (zh) * | 2012-11-29 | 2015-08-12 | 辽宁石油化工大学 | 一种用于三次采油提高原油采收率的强化泡沫驱油剂及其制备方法 |
| RU2559976C2 (ru) * | 2013-07-10 | 2015-08-20 | Мидхат Кавсарович Исаев | Реагент для разработки нефтяной залежи и способ разработки нефтяной залежи с помощью данного реагента |
| US10858573B2 (en) | 2014-01-16 | 2020-12-08 | Wilmar Trading Pte Ltd | Olefinic ester compositions and their use as cleaning agents |
| US10081760B2 (en) | 2014-01-16 | 2018-09-25 | Elevance Renewable Sciences, Inc. | Olefinic ester compositions and their use in stimulating hydrocarbon production from a subterranean formation |
| US11053430B2 (en) | 2014-01-16 | 2021-07-06 | Wilmar Trading Pte Ltd. | Olefinic ester compositions and their use in stimulating hydrocarbon production from a subterranean formation |
| US10759990B2 (en) | 2014-01-16 | 2020-09-01 | Wilmar Trading Pte Ltd. | Use of olefinic ester compositions in oil and gas fields |
| MX2014006332A (es) * | 2014-05-26 | 2015-11-26 | Itzeder Alejandro Isunza Rebolledo | Composiciones a base de aceite para dispersar asfaltenos y parafinas. |
| US20160002521A1 (en) | 2014-07-03 | 2016-01-07 | Solazyme, Inc. | Lubricants and wellbore fluids |
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| DE102017107038A1 (de) * | 2017-03-31 | 2018-10-04 | Oiliq Intelligent Solutions Gmbh | Zusammensetzung zur Verringerung der Viskosität von Erdöl und Erdölrückständen sowie zum Lösen und Trennen von Erdöl und/oder Erdölrückständen von anderen flüssigen und/oder festen Stoffen |
| AR112917A1 (es) | 2017-07-31 | 2020-01-08 | Chevron Usa Inc | Métodos para estimular formaciones subterráneas no convencionales con fluidos de inyección que comprenden surfactantes aniónicos |
| CN110894783B (zh) * | 2018-09-13 | 2022-03-01 | 中国石油天然气股份有限公司 | 油气井增产措施有效期的计算方法 |
| CN109294548B (zh) * | 2018-11-29 | 2020-11-10 | 西安长庆化工集团有限公司 | 一种老化油用低温破乳降粘剂及其制备方法和应用 |
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| WO2021188777A1 (en) * | 2020-03-20 | 2021-09-23 | Materials Engineering and Technical Support Services Corp. | Brine-tolerant lubricants and methods for using the same |
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- 2002-12-19 RU RU2004122106/03A patent/RU2305121C2/ru not_active IP Right Cessation
- 2002-12-19 CA CA002471137A patent/CA2471137A1/en not_active Abandoned
- 2002-12-19 AU AU2002359795A patent/AU2002359795A1/en not_active Abandoned
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- 2007-11-15 US US11/940,964 patent/US20080113881A1/en not_active Abandoned
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|---|---|
| MXPA04005793A (es) | 2005-05-17 |
| RU2305121C2 (ru) | 2007-08-27 |
| US7312184B2 (en) | 2007-12-25 |
| US6776234B2 (en) | 2004-08-17 |
| CA2471137A1 (en) | 2003-07-10 |
| US20030188864A1 (en) | 2003-10-09 |
| WO2003055960A1 (en) | 2003-07-10 |
| AU2002359795A1 (en) | 2003-07-15 |
| US20080113881A1 (en) | 2008-05-15 |
| US20040224854A1 (en) | 2004-11-11 |
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