EA201800338A1 - METHOD OF THERMAL-GAS TREATMENT OF THE LAYER - Google Patents
METHOD OF THERMAL-GAS TREATMENT OF THE LAYERInfo
- Publication number
- EA201800338A1 EA201800338A1 EA201800338A EA201800338A EA201800338A1 EA 201800338 A1 EA201800338 A1 EA 201800338A1 EA 201800338 A EA201800338 A EA 201800338A EA 201800338 A EA201800338 A EA 201800338A EA 201800338 A1 EA201800338 A1 EA 201800338A1
- Authority
- EA
- Eurasian Patent Office
- Prior art keywords
- formation
- inert gas
- water
- air
- injected
- Prior art date
Links
- 238000000034 method Methods 0.000 title abstract 3
- 230000015572 biosynthetic process Effects 0.000 abstract 5
- 239000011261 inert gas Substances 0.000 abstract 4
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 abstract 3
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 abstract 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 abstract 2
- 238000002485 combustion reaction Methods 0.000 abstract 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 abstract 2
- 238000005187 foaming Methods 0.000 abstract 2
- 238000011065 in-situ storage Methods 0.000 abstract 2
- 239000000203 mixture Substances 0.000 abstract 2
- 239000004094 surface-active agent Substances 0.000 abstract 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract 1
- 239000001569 carbon dioxide Substances 0.000 abstract 1
- 229910002092 carbon dioxide Inorganic materials 0.000 abstract 1
- 238000004880 explosion Methods 0.000 abstract 1
- 239000003546 flue gas Substances 0.000 abstract 1
- 239000007789 gas Substances 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
- JCXJVPUVTGWSNB-UHFFFAOYSA-N nitrogen dioxide Inorganic materials O=[N]=O JCXJVPUVTGWSNB-UHFFFAOYSA-N 0.000 abstract 1
- 239000001301 oxygen Substances 0.000 abstract 1
- 229910052760 oxygen Inorganic materials 0.000 abstract 1
- RVEZZJVBDQCTEF-UHFFFAOYSA-N sulfenic acid Chemical compound SO RVEZZJVBDQCTEF-UHFFFAOYSA-N 0.000 abstract 1
Classifications
-
- 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
- E21B43/243—Combustion in situ
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Incineration Of Waste (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Изобретение относится к нефтяной промышленности, в частности к способам добычи нефти с помощью внутрипластового горения. Задачей изобретения является повышение эффективности термогазовой обработки за счет повышения охвата пласта внутрипластовым горением и создания условий, обеспечивающих взрывобезопасность. Поставленная задача решается тем, что в способе термогазовой обработки пласта, включающем закачку в пласт через добывающую скважину воздуха, закачку инертного газа и воды с последующим отбором через нее нефти, при пластовой температуре не менее 70°C объем закачиваемого инертного газа определяют из условия не превышения содержания кислорода в газовой смеси более 10%, при этом закачку инертного газа - азота, или углекислого газа, или дымовых газов - осуществляют одновременно с воздухом, а после воспламенения пласта попеременно со смесью воздуха с инертным газом закачивают воду или воду с добавкой пенообразующего ПАВ. В качестве пенообразующего ПАВ используют сульфанол, или простой полуэфир на основе глицерина, или простой полуэфир на основе этиленгликоля.The invention relates to the oil industry, in particular to methods for oil production using in situ combustion. The objective of the invention is to increase the efficiency of thermogas treatment by increasing the coverage of the formation by in-situ combustion and creating conditions that ensure explosion safety. The problem is solved in that in the method of thermogas treatment of the formation, which includes injecting air into the formation through a producing well, injecting inert gas and water, followed by taking oil through it, at a formation temperature of at least 70 ° C, the volume of injected inert gas is determined from the condition of not exceeding the oxygen content in the gas mixture is more than 10%, while the inert gas — nitrogen, or carbon dioxide, or flue gas — is injected simultaneously with air, and after ignition of the formation, water or water with the addition of a foaming surfactant is injected alternately with the mixture of air with an inert gas. As a foaming surfactant, sulfanol or a half-ether based on glycerol or a simple half-ether based on ethylene glycol are used.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EA201800338A EA034629B1 (en) | 2018-05-18 | 2018-05-18 | Method of thermal-gas treatment of formation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EA201800338A EA034629B1 (en) | 2018-05-18 | 2018-05-18 | Method of thermal-gas treatment of formation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EA201800338A1 true EA201800338A1 (en) | 2019-11-29 |
| EA034629B1 EA034629B1 (en) | 2020-02-28 |
Family
ID=68653580
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EA201800338A EA034629B1 (en) | 2018-05-18 | 2018-05-18 | Method of thermal-gas treatment of formation |
Country Status (1)
| Country | Link |
|---|---|
| EA (1) | EA034629B1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114352250A (en) * | 2022-03-16 | 2022-04-15 | 中国石油大学(华东) | An oil recovery method based on optimized steam flooding of flue gas components |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4415031A (en) * | 1982-03-12 | 1983-11-15 | Mobil Oil Corporation | Use of recycled combustion gas during termination of an in-situ combustion oil recovery method |
| RU2386801C1 (en) * | 2009-02-27 | 2010-04-20 | Открытое акционерное общество "Татнефть" им. В.Д. Шашина | Method of high-viscosity oil pool development with usage of in-situ combustion |
| RU2433258C1 (en) * | 2010-07-28 | 2011-11-10 | Открытое акционерное общество "Всероссийский нефтегазовый научно-исследовательский институт имени академика А.П. Крылова" (ОАО "ВНИИнефть") | Method of thermal gas formation treatment |
| CN106677751B (en) * | 2016-08-01 | 2019-02-26 | 中嵘能源科技集团有限公司 | It is a kind of to inject foam air and oxygen-enriched Pintsch process heat chemistry composite air oil flooding method to oil reservoir |
-
2018
- 2018-05-18 EA EA201800338A patent/EA034629B1/en active IP Right Revival
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114352250A (en) * | 2022-03-16 | 2022-04-15 | 中国石油大学(华东) | An oil recovery method based on optimized steam flooding of flue gas components |
| CN114352250B (en) * | 2022-03-16 | 2022-05-13 | 中国石油大学(华东) | Oil extraction method based on flue gas component optimization steam flooding |
Also Published As
| Publication number | Publication date |
|---|---|
| EA034629B1 (en) | 2020-02-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| ATE418045T1 (en) | OXYGEN COMBUSTION PROCESS WHICH ALL THE CARBON DIOXIDE PRODUCED CAN BE CAPTURED | |
| EA201690568A1 (en) | USE OF PROCESSED Clay shale OR ASH, OBTAINED BY DECOMPOSITION OF OIL SHAFT, WITH ADDITION OR WITHOUT THEM IN THE FORM OF SOLID FUEL | |
| MX2015011066A (en) | Process and apparatus for improving the operation of wet scrubbers. | |
| AR107628A1 (en) | CATALYST REGENERATION | |
| MX2010013940A (en) | CO COMBUSTION AND FUELS IN EXHAUST GASES IN STEEL OVEN. | |
| EA201800338A1 (en) | METHOD OF THERMAL-GAS TREATMENT OF THE LAYER | |
| SE1851197A1 (en) | ||
| MX2018009149A (en) | Method and device for controlling internal combustion engine. | |
| ATE551308T1 (en) | METHOD FOR OPERATING A REGENERATIVE SHAFT KILN FOR THE PRODUCTION OF LIME | |
| MA50170B1 (en) | METHOD AND SYSTEM FOR PRODUCING A GAS MIXTURE | |
| RU2657036C1 (en) | Method of in-situ combustion | |
| CL2018001886A1 (en) | Method and composition to improve combustion of aviation fuels | |
| CN108194055B (en) | method for exploiting combustible ice | |
| RU2017123787A (en) | Thermal Sulfur Recovery | |
| JP2016008275A (en) | Method of reducing nox in diesel engine | |
| RU2006140838A (en) | METHOD FOR PREVENTION OF METHANE IGNITION IN COAL MINES | |
| RU2019126131A (en) | METHOD FOR PRODUCTION OF HYDROCARBONS | |
| EA201600313A1 (en) | METHOD OF DEVELOPMENT OF OIL FIELD | |
| WO2016201471A3 (en) | Method for producing a low-emission fuel gas | |
| PH22018000805Y1 (en) | Combustion and fuel efficiency enhancement method for internal combustion engine | |
| ИСКУССТВЕННЫХ | COUNTERING CLIMATE CHANGE BY PROTECTING THE ATMOSPHERE FROM ANTHROPOGENIC GASES AND CREATING ARTIFICIAL SOURCES OF FRESH WATER | |
| RU2016150349A (en) | Method for burning solid fuel | |
| RU2013148185A (en) | METHOD FOR PRODUCING AND BURNING COMPOSITE CAVITATION FUEL FROM OIL COKE | |
| González et al. | Study of combustion process of biodiesel/gasoil mixture in a domestic heating boiler of 26.7 kW | |
| RU2014107799A (en) | METHOD FOR PASSING TUNNELS UNDER CONSTRUCTION OF METRO |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MM4A | Lapse of a eurasian patent due to non-payment of renewal fees within the time limit in the following designated state(s) |
Designated state(s): AM AZ BY KZ KG TJ TM RU |
|
| NF4A | Restoration of lapsed right to a eurasian patent |
Designated state(s): AZ RU |