DE3670526D1 - METHOD FOR IMPROVING THE CONDITIONING OF GASIFYING AGENTS USED FOR UNDERGROUND COAL GASIFICATION. - Google Patents
METHOD FOR IMPROVING THE CONDITIONING OF GASIFYING AGENTS USED FOR UNDERGROUND COAL GASIFICATION.Info
- Publication number
- DE3670526D1 DE3670526D1 DE8686202396T DE3670526T DE3670526D1 DE 3670526 D1 DE3670526 D1 DE 3670526D1 DE 8686202396 T DE8686202396 T DE 8686202396T DE 3670526 T DE3670526 T DE 3670526T DE 3670526 D1 DE3670526 D1 DE 3670526D1
- Authority
- DE
- Germany
- Prior art keywords
- conditioning
- improving
- agents used
- coal gasification
- underground coal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/10—Sealing or packing boreholes or wells in the borehole
- E21B33/13—Methods or devices for cementing, for plugging holes, crevices, or the like
- E21B33/138—Plastering the borehole wall; Injecting into the formation
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
- E21B21/14—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor using liquids and gases, e.g. foams
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BE6/48181A BE904055A (en) | 1986-01-16 | 1986-01-16 | PROCESS FOR IMPROVING THE CONDITIONING OF GASIFYING AGENTS USED IN SUBTERRANEAN GASIFICATION PROCESSES. |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3670526D1 true DE3670526D1 (en) | 1990-05-23 |
Family
ID=3874980
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8686202396T Expired - Lifetime DE3670526D1 (en) | 1986-01-16 | 1986-12-30 | METHOD FOR IMPROVING THE CONDITIONING OF GASIFYING AGENTS USED FOR UNDERGROUND COAL GASIFICATION. |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0229434B1 (en) |
BE (1) | BE904055A (en) |
DE (1) | DE3670526D1 (en) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE906016A (en) * | 1986-12-22 | 1987-04-16 | Ledent Pierre | NOVEL PROCESS FOR THE PRODUCTION OF METHANE BY SUBTERRANEAN GASIFICATION OF COAL. |
BE1012151A3 (en) * | 1995-02-14 | 2000-06-06 | Ledent Pierre | Method to operate a coal deposit by underground coal gasification |
US6662874B2 (en) * | 2001-09-28 | 2003-12-16 | Halliburton Energy Services, Inc. | System and method for fracturing a subterranean well formation for improving hydrocarbon production |
US6719054B2 (en) * | 2001-09-28 | 2004-04-13 | Halliburton Energy Services, Inc. | Method for acid stimulating a subterranean well formation for improving hydrocarbon production |
US6725933B2 (en) | 2001-09-28 | 2004-04-27 | Halliburton Energy Services, Inc. | Method and apparatus for acidizing a subterranean well formation for improving hydrocarbon production |
GB0418295D0 (en) * | 2004-08-17 | 2004-09-15 | Dew Pitchmastic Plc | Bioremediation foam and delivery method |
WO2007136716A2 (en) * | 2006-05-17 | 2007-11-29 | Green Earth Industries, Llc | Increased microbial production of methane gas from subsurface hydrocarbon containing formations |
EP2318470A1 (en) * | 2008-09-04 | 2011-05-11 | Services Pétroliers Schlumberger | Reversible peptide surfactants for oilfield applications |
GB2518626A (en) | 2013-09-25 | 2015-04-01 | Venture Engineering Services Ltd | Well apparatus and method for use in gas production |
CN107401393B (en) * | 2017-07-31 | 2023-07-25 | 山西晋城无烟煤矿业集团有限责任公司 | Drainage and gas production integrated goaf gas extraction well body structure and construction method thereof |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1192395A (en) | 1957-01-09 | 1959-10-26 | Jersey Prod Res Co | Foam drilling process |
US3448807A (en) | 1967-12-08 | 1969-06-10 | Shell Oil Co | Process for the thermal recovery of hydrocarbons from an underground formation |
US3464491A (en) * | 1967-12-18 | 1969-09-02 | Pan American Petroleum Corp | Oil recovery from formations containing channels |
US3905553A (en) | 1973-08-03 | 1975-09-16 | Sun Oil Co Delaware | Mist injection method and system |
US4072191A (en) | 1975-06-12 | 1978-02-07 | Phillips Petroleum Company | Fire floor process |
US4121664A (en) * | 1977-10-17 | 1978-10-24 | Union Oil Company Of California | Biodegradable foaming agent in drilling and workover operations |
US4334579A (en) * | 1980-08-29 | 1982-06-15 | The United States Of America As Represented By The United States Department Of Energy | Method for gasification of deep, thin coal seams |
US4391327A (en) * | 1981-05-11 | 1983-07-05 | Conoco Inc. | Solvent foam stimulation of coal degasification well |
GB2099884B (en) * | 1981-06-05 | 1985-04-03 | Drill Aid Methods & Materials | A method of boring holes |
US4442018A (en) * | 1982-11-01 | 1984-04-10 | The United States Of America As Represented By The United States Department Of Energy | Stabilized aqueous foam systems and concentrate and method for making them |
-
1986
- 1986-01-16 BE BE6/48181A patent/BE904055A/en not_active IP Right Cessation
- 1986-12-30 EP EP19860202396 patent/EP0229434B1/en not_active Expired - Lifetime
- 1986-12-30 DE DE8686202396T patent/DE3670526D1/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
BE904055A (en) | 1986-05-15 |
EP0229434A1 (en) | 1987-07-22 |
EP0229434B1 (en) | 1990-04-18 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |