CN106321025B - A kind of coal and the green harmonic extraction system of oil gas and application process - Google Patents
A kind of coal and the green harmonic extraction system of oil gas and application process Download PDFInfo
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- CN106321025B CN106321025B CN201610969268.5A CN201610969268A CN106321025B CN 106321025 B CN106321025 B CN 106321025B CN 201610969268 A CN201610969268 A CN 201610969268A CN 106321025 B CN106321025 B CN 106321025B
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- coal
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- main borehole
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- 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
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C41/00—Methods of underground or surface mining; Layouts therefor
- E21C41/16—Methods of underground mining; Layouts therefor
- E21C41/18—Methods of underground mining; Layouts therefor for brown or hard coal
Abstract
The invention discloses a kind of coal and the green harmonic extraction system of oil gas and application process.The coal and the green harmonic extraction system of oil gas, including coordination organization, coal mining mechanism, oil gas extraction mechanism, coordination organization is provided with oil gas corridor, coal-face, overlying strata depression funnel, oil gas relaxation zone, coal mining mechanism is provided with coal-winning machine, hydraulic support, drag conveyor, and oil gas extraction mechanism is provided with pumping main borehole, suction branch, oil pumping main borehole, oil pumping branch pipe.It is of the invention to determine coordination organization's azimuth dimension and the heavy water-retaining production technique of corresponding drop first as requested, using being evacuated main borehole, suction branch passes through coal bed gas in the extraction coal seam of oil gas corridor, then coal mining mechanism back production coal seam is utilized, the roof and floor oil gas relaxation zone that coal-face rear is supervened promotes petroleum resources parsing in coal seam top and the bottom free, oil gas extraction mechanism carries out extraction to different layers position different stage oil gas, treat that oil gas extraction is finished, remove suction branch, oil pumping branch pipe, corridor is made leave with rage using coal mining mechanism oil recovery, realize the purpose of coal and the green harmonic extraction of oil gas.
Description
Technical field
The present invention relates to resource exploitation field, more particularly to a kind of coal and the green harmonic extraction system of oil gas and described
Systematic difference method.
Background technology
By taking Ordos Basin as an example, the main coal accumulating basin preservation of China enriches coal resources, while having coal bed gas, sand
The rational exploitation and utilization of the common association feature of the fossil resources such as rock gas, oil, coal and oil gas is to ensureing Chinese energy safety, improving energy
Source structure, realize that environment-friendly sustainable development is significant." a kind of In Situ Heating exploitation oil shale and exploitation are deeper
Hydrocarbon source combination " (CN101563524A) only illustrates a kind of well shaft type pyrolysis exploitation different layers position hydrocarbon source method, but at this stage
Kerosene oil-gas multiple resource coordinated development not yet forms unified system, and coal faces problems with oil-gas mining, and coal seam is first adopted then can shape
Into overlying unstable formation, cause oil gas drilling construction difficult, goaf can not exploit petroleum resources, and with the serious well of generation
Leakage, ultimately causing security incident causes petroleum resources to waste；Oil gas is first adopted, and the ground subsidence supervened during seam mining can draw
Play the destruction of oil gas extraction well bad break, the leakage of pipe network oil gas and explode, if forbidding coal mining, or stay and set roomy barrier pillar, then
Coal resources waste can be caused.Based on above-mentioned situation, especially under kerosene oil-gas longitudinal stack occurrence condition, it is badly in need of a kind of coal
With the green harmonic extraction system of oil gas, to reach coal and oil gas coordinated development, resource recovery, reduction table life ecology and water are improved
Soil resource is disturbed, it is ensured that the purpose of national green energy resource supply.
The content of the invention
The purpose of the embodiment of the present invention is to propose a kind of coal and the green harmonic extraction system of oil gas, true first as requested
Determine coordination organization's azimuth dimension and the heavy water-retaining production technique of corresponding drop, oil gas corridor is passed through using main borehole, suction branch is evacuated
Coal bed gas in extraction coal seam, then using coal mining mechanism back production coal seam, the roof and floor oil gas that coal-face rear is supervened
Relaxation zone promotes petroleum resources parsing in coal seam top and the bottom free, and oil gas extraction mechanism takes out to the different grade oil gas in different layers position
Adopt, treat that oil gas extraction is finished, remove suction branch, oil pumping branch pipe and utilize coal mining mechanism back production oil gas corridor, in coal mining mechanism, oil
Gas extraction mechanism and coordination organization realize the purpose of coal and the green harmonic extraction of oil gas under efficiently coordinating.To achieve the above object,
The present invention is adopted the following technical scheme that：
A kind of coal and the green harmonic extraction system of oil gas, including：
Harmonic extraction mechanism, including oil gas corridor, overlying strata depression funnel, oil gas relaxation zone, coal-face；Coal-winning machine
Structure, including coal-winning machine, hydraulic support, drag conveyor；Oil-gas mining mechanism, including pumping main borehole, suction branch, oil pumping master
Drilling, oil pumping branch pipe, the oil gas corridor are placed in coal-face both sides, and the overlying strata depression funnel is located on coal-face
Side, the oil gas relaxation zone is located at coal-face top and the bottom, and the coal-winning machine, hydraulic support and drag conveyor are adopted with described
Coal working face is arranged in parallel, and coal-winning machine is placed in hydraulic support bottom and the drag conveyor top, the drag conveyor
Afterbody is connected with hydraulic support bottom, and the pumping main borehole, oil pumping main borehole are placed in the middle part of oil gas corridor and arranged crosswise, are taken out
Gas branch pipe, oil pumping branch pipe be respectively placed in correspondence Oil And Gas Occurrence coal rock layer and by the pumping main borehole, oil pumping main borehole with
Ground installation is connected.
Preferably, the oil gas corridor is placed between coal-face, and the overlying strata depression under the conditions of specific geology of its size is leaked
The scope combination oil-gas mining demand that struggles against is determined.
Preferably, the pumping main borehole is placed in the middle part of oil gas corridor, and inside is equipped with different tax gas-bearing formation position pumping branch respectively
Pipe.
Preferably, the oil pumping main borehole is placed in oil gas corridor, and inside is equipped with different tax oil reservoir position oil pumping branch pipes respectively.
Preferably, the oil gas relaxation zone is located in the Oil And Gas Occurrence rock stratum of coal-face top and the bottom.
The invention also provides a kind of coal and the green harmonic extraction system application method of oil gas, using said system, it is wrapped
Include following job step：
A, according to coal and petroleum resources hosting geological condition, determine overlying strata depression funnel size, oil gas corridor and coal-getter
Make face dimension scale and distribution orientation；
B, pumped according to coal and the determination of petroleum resources demand main borehole, pumping main borehole density, drilling size and depth, and
Determine coal-face size；
Coal bed gas and sandstone petrochina resource in c, laying oil gas extraction mechanism back production coal seam；
D, laying coal mining mechanism, back production coal seam, while utilizing the different product of suction branch and oil pumping branch pipe back production different layers position
Position gas and oil resource；
E, treat that petroleum resources back production is finished, suction branch, oil pumping branch pipe are removed in time, is walked using coal mining mechanism back production oil gas
Corridor coal seam；
F, coal resources back production are finished, and remove coal-winning machine, drag conveyor and hydraulic support；
G, next coal work repeat step a-f is moved to, and takes water conservation to subtract heavy coal winning technology during step c-f,
Reduce coal, oil, gas exploitation ecological to earth's surface and underground water, soil resource disturbance to destroy.
Compared with existing single exploitation of mineral resources system, the invention has the advantages that：
The coal that the present invention is addressed and oil gas harmonic extraction system, with coordination organization, coal mining mechanism and oil-gas mining mechanism,
Coordination organization's azimuth dimension and the heavy water-retaining production technique of corresponding drop are wherein determined first as requested, using being evacuated main borehole, take out
Gas branch pipe passes through coal bed gas in the extraction coal seam of oil gas corridor, it is ensured that safely mining of coalbed, then using coal mining mechanism back production coal seam,
The roof and floor oil gas relaxation zone that coal-face rear is supervened promotes petroleum resources parsing in coal seam top and the bottom free, will be evacuated
Branch pipe, oil pumping branch pipe are placed in kerosene relaxation zone by being evacuated main borehole, oil pumping main borehole respectively, and then realize oil gas extraction machine
Structure carries out extraction to different layers position different cultivars oil gas, treats that oil gas extraction is finished, and is visited with reference to pumping main borehole and oil pumping main borehole
Bright oil gas corridor geologic information, corridor is made leave with rage using coal mining mechanism oil recovery, is finally reached a hole and is used, realizes that coal is green with oil gas
The purpose of color coordinated development.
Brief description of the drawings
Fig. 1 is overall structure figure of the invention；
Fig. 2 is A-A profiles in Fig. 1 in the present invention；
Fig. 3 is B-B profiles in Fig. 1 in the present invention；
Fig. 4 adopts design sketch altogether for many coal-faces of the present invention；
Fig. 5 is back production oil gas corridor figure of the invention.
In figure：1- coal-winning machines；2- hydraulic supports；3- drag conveyors；4- is evacuated main borehole；5- suction branches；6- pumps
Main borehole；7- oil pumping branch pipes；8- oil gas corridor；9- coal-faces；10- overlying strata depression funnels；11- oil gas relaxation zones.
Embodiment
With reference to shown in Fig. 1, Fig. 2, Fig. 3, Fig. 4, the green harmonic extraction system of a kind of coal and oil gas, including coordination organization, adopt
Coal mechanism, oil gas extraction mechanism, coal mining mechanism are used for seam mining, and oil gas extraction mechanism is ensureing the safe and efficient back production bar in coal seam
It is used for the petroleum resources of the different preservation layer positions of extraction under part, coordination organization is used to coordinate coal and petroleum resources is exploited.
In harmonic extraction mechanism, the oil gas corridor 8 is placed in the both sides of coal-face 9,10, the overlying strata depression funnel
In the top of coal-face 9, the oil gas relaxation zone 11 is located at the top and the bottom of coal-face 9.
In coal mining mechanism, the coal-winning machine 1, hydraulic support 2 and drag conveyor 3 and the parallel cloth of the coal-face 9
Put, and coal-winning machine 1 is placed in the bottom of hydraulic support 2 and the top of the drag conveyor 3, the afterbody of drag conveyor 3 and hydraulic pressure
The bottom of support 2 is connected；
In oil-gas mining mechanism, the pumping main borehole 4, oil pumping main borehole 6 are placed in the middle part of oil gas corridor 8 and intersect cloth
Put, suction branch 5, oil pumping branch pipe 7 are respectively placed in correspondence Oil And Gas Occurrence coal rock layer and by the pumping main borehole 4, oil pumping
Main borehole 6 is connected with ground installation.
With reference to shown in Fig. 1, coordination organization's azimuth dimension and the heavy water-retaining production technique of corresponding drop, profit are determined first as requested
With pumping main borehole 4, suction branch 5 by coal bed gas in the extraction coal seam of oil gas corridor 8, coal mining mechanism back production coal is then utilized
Layer, the roof and floor oil gas relaxation zone 11 that the rear of coal-face 9 is supervened promotes petroleum resources parsing in coal seam top and the bottom free,
Last oil gas extraction mechanism carries out extraction to the different grade oil gas in different layers position, treats that oil gas extraction is finished, is returned using coal mining mechanism
Receive coal seam in oil gas corridor 8.
Its applying step approximately as：
A, according to coal and petroleum resources hosting geological condition, determine the size of overlying strata depression funnel 10, oil gas corridor 8 and mine
The dimension scale of working face 9 and distribution orientation；
B, pumped according to coal and the determination of petroleum resources demand main borehole 6, pumping main borehole 4 density, drilling size and depth,
And determine the size of coal-face 9；
Coal bed gas and sandstone petrochina resource in c, laying oil gas extraction mechanism back production coal seam；
D, laying coal mining mechanism, back production coal seam, while using suction branch 5, the back production back production different layers position of oil pumping branch pipe 7 not
With grade gas and oil resource；
E, treat that petroleum resources back production is finished, suction branch 5, oil pumping branch pipe 7 are removed in time, coal mining mechanism back production oil gas is utilized
The coal seam of corridor 8；
F, coal resources back production are finished, and remove coal-winning machine 1, drag conveyor 3 and hydraulic support 2；
G, next coal-face repeat step a-f is moved to, and take water conservation to subtract heavy coal-getter during step c-f
Skill, reduces coal, oil, gas exploitation ecological to earth's surface and underground water, soil resource disturbance and destroys.
Certainly, described above is only presently preferred embodiments of the present invention, and the present invention is not limited to enumerate above-described embodiment, should
When explanation, any those skilled in the art are all equivalent substitutions for being made, bright under the teaching of this specification
Aobvious variant, all falls within the essential scope of this specification, ought to be protected by the present invention.
Claims (3)
1. a kind of coal and the green harmonic extraction system of oil gas, it is characterised in that：The coal and the green harmonic extraction system bag of oil gas
Include：
Harmonic extraction mechanism, including oil gas corridor, overlying strata depression funnel, oil gas relaxation zone, coal-face；Coal mining mechanism, bag
Include coal-winning machine, hydraulic support, drag conveyor；Oil-gas mining mechanism, including pumping main borehole, suction branch, oil pumping main borehole,
Oil pumping branch pipe, the oil gas corridor is placed in coal-face both sides, and the overlying strata depression funnel is located above coal-face, institute
Oil gas relaxation zone is stated positioned at coal-face top and bottom, the coal-winning machine, hydraulic support and drag conveyor are adopted with described
Coal working face is arranged in parallel, and coal-winning machine is placed in hydraulic support bottom and the drag conveyor top, the drag conveyor
Afterbody is connected with hydraulic support bottom, and the pumping main borehole, oil pumping main borehole are placed in the middle part of oil gas corridor and arranged crosswise, are taken out
Gas branch pipe, oil pumping branch pipe be respectively placed in correspondence gas, oily preservation coal rock layer and by the pumping main borehole, oil pumping main borehole with
Ground installation is connected, and the pumping main borehole is placed in the middle part of oil gas corridor, and inside is equipped with different tax gas-bearing formation position suction branches respectively,
The oil pumping main borehole is placed in oil gas corridor, and inside is equipped with different tax oil reservoir position oil pumping branch pipes respectively.
2. coal according to claim 1 and the green harmonic extraction system of oil gas, it is characterised in that：The oil gas relaxation zone position
In coal-face top and bottom Oil And Gas Occurrence rock stratum.
3. a kind of coal and the green harmonic extraction system application method of oil gas, it is characterised in that any using such as claim 1 to 2
Coal and the green harmonic extraction system of oil gas described in, comprise the following steps：
A, according to coal and petroleum resources hosting geological condition, determine overlying strata depression funnel size, oil gas corridor and coal-face
Dimension scale and distribution orientation；
B, pumped according to coal and the determination of petroleum resources demand main borehole, pumping main borehole distribution density, drilling size and depth, and
Determine coal-face size；
Coal bed gas and sandstone petrochina resource in c, laying oil gas extraction mechanism back production coal seam；
D, lay coal mining mechanism, back production coal seam, while using the different grade gas of suction branch and oil pumping branch pipe back production different layers position,
Oily resource；
E, treat that petroleum resources back production is finished, suction branch, oil pumping branch pipe are removed in time, coal mining mechanism back production oil gas corridor coal is utilized
Layer；
F, coal resources back production are finished, and remove coal-winning machine, drag conveyor and hydraulic support；
G, next coal-face repeat step a-f is moved to, and take water conservation to subtract heavy coal winning technology during step c-f, subtracted
Small coal, oil, gas exploitation ecological to earth's surface and underground water, soil resource disturbance are destroyed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201610969268.5A CN106321025B (en) | 2016-10-28 | 2016-10-28 | A kind of coal and the green harmonic extraction system of oil gas and application process |
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| CN201610969268.5A CN106321025B (en) | 2016-10-28 | 2016-10-28 | A kind of coal and the green harmonic extraction system of oil gas and application process |
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| CN106321025B true CN106321025B (en) | 2017-09-12 |
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| CN107448178B (en) * | 2017-08-25 | 2020-05-05 | 平安煤炭开采工程技术研究院有限责任公司 | Method and device for exploiting coal and oil gas resources of coal-bearing stratum |
| CN109162676B (en) * | 2018-09-27 | 2020-11-17 | 太原理工大学 | Method for simultaneously extracting and utilizing coal bed gas and accumulated water in goaf |
| CN110043261A (en) * | 2019-05-21 | 2019-07-23 | 安徽理工大学 | A kind of coal uranium harmonic extraction perspectiveization physical simulating device and application method |
| CN113323663B (en) * | 2021-06-03 | 2022-05-31 | 安徽理工大学 | Associated resource is exploitation intelligent experimental apparatus in coordination altogether |
| CN113389597B (en) * | 2021-07-29 | 2022-06-28 | 安徽理工大学 | Comprehensive utilization system and application method for coal gangue in resource co-associated mining area |
| CN114165210B (en) * | 2021-12-16 | 2022-08-26 | 中国矿业大学(北京) | Deep coal resource fluidization mining method and system |
| CN114687709B (en) * | 2022-04-08 | 2023-10-31 | 陕西延长石油（集团）有限责任公司 | Coal bed gas and oil gas collaborative exploitation recycling device and method |
| CN115030700B (en) * | 2022-04-26 | 2023-04-18 | 安徽理工大学 | Oil gas extraction system for fracturing oil gas reservoir by utilizing coal bed gas |
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| US8297377B2 (en) * | 1998-11-20 | 2012-10-30 | Vitruvian Exploration, Llc | Method and system for accessing subterranean deposits from the surface and tools therefor |
| US7025137B2 (en) * | 2002-09-12 | 2006-04-11 | Cdx Gas, Llc | Three-dimensional well system for accessing subterranean zones |
| WO2008048454A2 (en) * | 2006-10-13 | 2008-04-24 | Exxonmobil Upstream Research Company | Combined development of oil shale by in situ heating with a deeper hydrocarbon resource |
| CN103174453A (en) * | 2013-03-28 | 2013-06-26 | 重庆大学 | Layered hydraulic fracturing method of underground coal mine multiple coal seams |
| CN105649578B (en) * | 2016-01-29 | 2018-11-13 | 西南石油大学 | Coal bed gas straight well bilayer separate pressure production method and its device |
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Granted publication date: 20170912 Termination date: 20181028 |