CN114909113A - Movable water-gas alternative gas injection device for shale oil exploitation - Google Patents
Movable water-gas alternative gas injection device for shale oil exploitation Download PDFInfo
- Publication number
- CN114909113A CN114909113A CN202210642094.7A CN202210642094A CN114909113A CN 114909113 A CN114909113 A CN 114909113A CN 202210642094 A CN202210642094 A CN 202210642094A CN 114909113 A CN114909113 A CN 114909113A
- Authority
- CN
- China
- Prior art keywords
- rigid coupling
- gas
- fixedly connected
- pipe
- shell
- 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.)
- Granted
Links
- 238000002347 injection Methods 0.000 title claims abstract description 129
- 239000007924 injection Substances 0.000 title claims abstract description 129
- 239000003079 shale oil Substances 0.000 title claims abstract description 47
- 230000008878 coupling Effects 0.000 claims abstract description 83
- 238000010168 coupling process Methods 0.000 claims abstract description 82
- 238000005859 coupling reaction Methods 0.000 claims abstract description 82
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 59
- 238000003860 storage Methods 0.000 claims abstract description 54
- 238000002156 mixing Methods 0.000 claims abstract description 50
- 238000003756 stirring Methods 0.000 claims abstract description 35
- 239000007789 gas Substances 0.000 claims description 191
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 56
- 230000005540 biological transmission Effects 0.000 claims description 41
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 33
- 239000001569 carbon dioxide Substances 0.000 claims description 28
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 28
- 229910001873 dinitrogen Inorganic materials 0.000 claims description 27
- 238000009826 distribution Methods 0.000 claims description 27
- 230000000087 stabilizing effect Effects 0.000 claims description 26
- 238000011084 recovery Methods 0.000 claims description 14
- 238000009434 installation Methods 0.000 claims description 12
- 238000004519 manufacturing process Methods 0.000 claims description 11
- 230000001105 regulatory effect Effects 0.000 claims description 10
- 239000000203 mixture Substances 0.000 claims description 8
- 238000005304 joining Methods 0.000 claims description 3
- 210000003437 trachea Anatomy 0.000 abstract description 9
- 230000008901 benefit Effects 0.000 abstract description 4
- 230000008676 import Effects 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 16
- 230000002457 bidirectional effect Effects 0.000 description 14
- 238000000605 extraction Methods 0.000 description 8
- 239000003208 petroleum Substances 0.000 description 6
- 238000000746 purification Methods 0.000 description 5
- 239000000243 solution Substances 0.000 description 5
- 239000003595 mist Substances 0.000 description 4
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 3
- 239000003245 coal Substances 0.000 description 3
- 230000002860 competitive effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000010410 layer Substances 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 238000005457 optimization Methods 0.000 description 3
- 238000001179 sorption measurement Methods 0.000 description 3
- 229910052717 sulfur Inorganic materials 0.000 description 3
- 239000011593 sulfur Substances 0.000 description 3
- FCEHBMOGCRZNNI-UHFFFAOYSA-N 1-benzothiophene Chemical compound C1=CC=C2SC=CC2=C1 FCEHBMOGCRZNNI-UHFFFAOYSA-N 0.000 description 2
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 2
- YTPLMLYBLZKORZ-UHFFFAOYSA-N Thiophene Chemical compound C=1C=CSC=1 YTPLMLYBLZKORZ-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- BWGNESOTFCXPMA-UHFFFAOYSA-N Dihydrogen disulfide Chemical compound SS BWGNESOTFCXPMA-UHFFFAOYSA-N 0.000 description 1
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- LSDPWZHWYPCBBB-UHFFFAOYSA-N Methanethiol Chemical compound SC LSDPWZHWYPCBBB-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 150000001335 aliphatic alkanes Chemical class 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000004043 dyeing Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 239000004058 oil shale Substances 0.000 description 1
- 125000001741 organic sulfur group Chemical group 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 150000003573 thiols Chemical class 0.000 description 1
- 229930192474 thiophene Natural products 0.000 description 1
- 229930195735 unsaturated hydrocarbon Natural products 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
Images
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
- 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
- E21B43/166—Injecting a gaseous medium; Injecting a gaseous medium and a liquid medium
-
- 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
- E21B43/20—Displacing by water
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/70—Combining sequestration of CO2 and exploitation of hydrocarbons by injecting CO2 or carbonated water in oil wells
Abstract
The application discloses portable aqueous vapor gas injection device in turn for shale oil exploitation, including the gas injection structure, the gas injection structure includes the backup pad, backup pad top rigid coupling water storage box, backup pad one side rigid coupling water storage box, the exit end rigid coupling water injection pipe of water injection pump, the fixed pipe of water injection pipe one end rigid coupling, fixed pipe other end rigid coupling return bend, return bend one end rigid coupling has the trachea in turn that is used for shale oil exploitation, the one end rigid coupling gas injection pipe of return bend is kept away from to fixed pipe, gas injection pipe one end rigid coupling is in the exit end of gas injection pump, the equal rigid coupling of water injection pump and gas injection pump is in the backup pad top, the import end and the gas mixing casing rigid coupling of gas injection pump, gas mixing casing inner chamber department is provided with the stirring subassembly. The application has the advantages that: the movable water-gas alternative gas injection device for shale oil exploitation is convenient to mix, adjust, move and stably support.
Description
Technical Field
The application relates to a gas injection device, in particular to a mobile water-gas alternative gas injection device for shale oil exploitation.
Background
Shale oil refers to petroleum resources contained in shale layer series mainly containing shale, wherein the petroleum resources comprise petroleum in pores and cracks of the shale, and also comprise petroleum resources in adjacent layers and interlayers of compact carbonate or clastic rock in the shale layer series, kerogen in the oil shale can be converted into synthetic crude oil through cracking chemical change, the shale oil is different from natural petroleum in that the content of unsaturated hydrocarbon in the shale oil is extremely high, and the shale oil is different from conventional petroleum separated from source storage and compact oil collected nearby, the shale oil has obvious characteristics in the aspects of aggregation mechanism, storage space, fluid characteristics, distribution characteristics and the like, more similarities are provided with the shale gas, the abundant alkanes and alkenes in the shale oil can produce related high value-added chemicals, and sulfide of the shale oil mainly comprises hydrogen sulfide, thiol, mercaptan and the like, Organic sulfur and disulfide such as thiophene and thianaphthene, sulfur resources are wide and cheap, sulfur and sulfide in industry, agriculture, medicine, dyeing and weaving and synthetic materials are used very much, and the sulfur is mainly used for preparing acid.
In the process of extracting the shale oil, the shale oil can be extracted by adopting a mode of water-gas alternate injection, the water-gas alternate injection scheme is widely applied to oil field operation, the flow ratio between an injection agent and the oil is reduced, the demand of natural gas is reduced, the economic benefit is effectively improved, the recovery ratio of the oil field is improved, but the single gas is generally injected by the existing water-gas alternate injection device, the single gas needs to be purified before being injected, the single gas influences the oil extraction effect, and the shale oil extraction is inconvenient.
Disclosure of Invention
In order to solve the defects of the prior art, the gas injection structure can be used for injecting mixed gas into the shale oil reservoir, and water-gas alternative gas injection oil extraction can be performed, so that the problem of low shale oil recovery rate is solved, the mixed gas injected into the shale oil reservoir can exert the competitive adsorption capacity of carbon dioxide and the permeation enhancing effect of nitrogen, the purification concentration requirement of the mixed gas is low or purification is not needed, the gas source cost and the total cost of the mixed gas for displacing coal bed gas are greatly reduced, and the water-gas alternative injection mode can be used for effectively improving the shale oil recovery rate.
More in order to solve the problem among the prior art, utilize to adjust the structure and can adjust tracheal horizontal and vertical position in turn, solved the gas injection device and be difficult to the regulation, the less problem of application scope is convenient for install trachea in turn according to the position of oil recovery gas injection tubular column, improves the application scope of gas injection device, increases gas injection device's practicality.
Further in order to solve the problem among the prior art, utilize the mobile structure can be convenient for adjust the position of gas injection device, can make the gas injection device more stable when using simultaneously, solved the gas injection device and be difficult to remove and support the problem stable inadequately, be convenient for to the oil recovery of shale oil, the use of the gas injection device of being convenient for.
The utility model provides a portable aqueous vapor gas injection device in turn for shale oil exploitation, includes the gas injection structure, the gas injection structure includes backup pad, water storage tank body, water injection pump, water injection pipe, fixed pipe, return bend, alternative trachea, gas injection pipe, gas injection pump, gas mixing casing, nitrogen gas storage tank body, carbon dioxide gas storage tank body, agitator motor and (mixing) shaft, the backup pad top rigid coupling water storage tank body, backup pad one side rigid coupling water storage tank body, the exit end rigid coupling water injection pipe of water injection pump, water injection pipe one end rigid coupling fixed pipe, the fixed pipe other end rigid coupling return bend, return bend one end rigid coupling has the alternative trachea that is used for shale oil exploitation, the fixed pipe is kept away from the one end rigid coupling gas injection pipe of return bend, gas injection pipe one end rigid coupling in the exit end of gas injection pump, water injection pump and gas injection pump all rigid coupling in the backup pad top, the inlet end and the gas mixing casing rigid coupling of gas injection pump, the gas mixing shell is characterized in that a stirring assembly is arranged at the inner cavity of the gas mixing shell, a nitrogen gas storage box body and a carbon dioxide gas storage box body are arranged on one side of the gas mixing shell, the nitrogen gas storage box body and the carbon dioxide gas storage box body are fixedly connected to the top of the supporting plate, and the adding assemblies are installed at the tops of the nitrogen gas storage box body and the carbon dioxide gas storage box body.
Further, the stirring subassembly includes agitator motor, (mixing) shaft and stirring page or leaf, agitator motor rigid coupling in gas mixing casing top, agitator motor's output rigid coupling (mixing) shaft, the surperficial rigid coupling stirring page or leaf of (mixing) shaft, just the rotation hole has been seted up to gas mixing casing top surface, the (mixing) shaft bottom runs through the rotation hole and extends to gas mixing casing inner chamber department, the surperficial rigid coupling of (mixing) shaft has a plurality of stirring page or leaf.
Further, the adding component comprises an installing shell, an adding motor, a main gear, a transmission wheel set, a transmission chain, a main chain wheel, a rotating pipe, a central pipe, a side pipe, a connecting pipe and an adding pump, the installing shell is fixedly connected to the top surface of the gas mixing shell, the inner cavity of the installing shell is provided with the adding motor, the adding motor is fixedly connected to the top surface of the gas mixing shell, the output end of the adding motor is fixedly connected with the main gear, the side surface of the main gear is meshed with the transmission wheel set, the side surface of the transmission wheel set is meshed with the transmission chain, the transmission chain is meshed with the side surface of the main chain wheel, the transmission wheel set and the main chain wheel are respectively fixedly connected with the rotating pipe, the bottom end of the rotating pipe is fixedly connected with the central pipe, the side surface of the central pipe is fixedly connected with the side pipe, the top ends of the two rotating pipes are rotatably connected with the connecting pipe, and one end of the two connecting pipes is respectively and fixedly connected to the outlet end of the adding pump, and the two outlet ends are respectively and fixedly connected to the tops of the nitrogen gas storage box body and the carbon dioxide gas storage box body.
Further, the equal rigid coupling in gas mixture casing and nitrogen gas storage tank body top has the joining pump, the transmission wheelset includes pinion and pinion, the pinion is connected with the master gear meshing, pinion and drive chain meshing are connected, the fixed orifices has all been seted up to transmission wheelset and master sprocket, two symmetric distribution's first mounting hole is seted up to gas mixture casing top surface, two symmetric distribution's second mounting hole is seted up to installation casing top surface, the rotating tube top is run through fixed orifices and second mounting hole and is extended to installation casing top, the rotating tube bottom is run through first mounting hole and is extended to gas mixture casing below, center tube side rigid coupling has a plurality of to be the side pipe that the annular array distributes, a plurality of evenly distributed's the hole of adding is all seted up to rotating tube, center tube and side pipe.
Further, the adjustable type screw press comprises an adjusting structure, wherein the adjusting structure comprises a supporting shell, a limiting column, an adjusting plate, a first unidirectional thread column, a connecting column, a fixed shell, an adjusting motor, a second unidirectional thread column, a moving plate, a positioning column, a connecting plate and a mounting plate, the supporting shell is fixedly connected to the top of the supporting plate, the bottom of an inner cavity of the supporting shell is fixedly connected to the limiting column, the surface of the limiting column is in sliding connection with the adjusting plate, the adjusting plate is in surface threaded connection with the first unidirectional thread column, the bottom of the first unidirectional thread column is connected with a driving assembly, one side of the adjusting plate is fixedly connected to the connecting column, one end of the connecting column is fixedly connected to the fixed shell, the inner cavity side wall of the fixed shell is fixedly connected to the adjusting motor, the output end of the adjusting motor is fixedly connected to the second unidirectional thread column, the surface of the second unidirectional thread column is in threaded connection with the moving plate, the moving plate is in sliding connection with the surface of the positioning column, the positioning column is fixedly connected to the inner cavity side wall of the fixed shell, the top of the movable plate is fixedly connected with a connecting plate, the top of the connecting plate is fixedly connected with an installation plate, and the top of the installation plate is fixedly connected with the bottom of the fixed pipe.
Further, drive assembly is including connecting casing, driving motor, driving sprocket and connecting chain, connect the casing rigid coupling in backup pad bottom, it is provided with the driving sprocket of two symmetric distributions, two to connect casing inner chamber department the driving sprocket passes through the connecting chain transmission and connects, the driving sprocket side is connected with the connecting chain meshing, two the equal rigid coupling in driving sprocket top has first one-way screw post, and one of them the driving sprocket rigid coupling is in driving motor's output, the driving motor rigid coupling is in connecting casing inner chamber bottom, two symmetric distributions's preset hole has been seted up to the backup pad, first one-way screw post top is run through preset hole and rigid coupling in supporting casing inner chamber top.
Further, backup pad top rigid coupling has the support housing of two symmetric distributions, two the regulation mouth has all been seted up to the relative one side of support housing, regulation board one side rigid coupling has the spliced pole of two symmetric distributions, spliced pole one end runs through the regulation mouth and extends to the support housing outside, support housing inner chamber bottom rigid coupling has the spacing post of two symmetric distributions, two symmetric distributions's spacing hole is seted up to the regulating plate, spacing capital end runs through spacing hole and rigid coupling in support housing inner chamber top.
Further, the fixed casing inner chamber lateral wall rigid coupling has the reference column of two symmetric distributions, two symmetric distributions's locating hole is seted up to the movable plate, locating column one end runs through locating hole and rigid coupling in fixed casing inner chamber lateral wall, movable plate top rigid coupling has the connecting plate of two symmetric distributions, two symmetric distributions's connector is seted up to fixed casing top surface, the connecting plate top runs through the connector and extends to fixed casing top.
Further comprises a moving structure, wherein the moving structure comprises a supporting sliding wheel set, a stabilizing shell, a fixing column, a sliding plate, a bidirectional threaded column, an adjusting column, a mounting rack, a lifting plate, a lifting column and an anti-skidding stabilizing plate, the four corners of the bottom of the supporting plate are fixedly connected with supporting sliding wheel sets, the bottom of the supporting plate is fixedly connected with a stable shell, the side wall of the inner cavity of the stabilizing shell is fixedly connected with a fixed column, the surface of the fixed column is connected with a sliding plate in a sliding way, the sliding plate is in threaded connection with the surface of the bidirectional threaded column, one end of the bidirectional threaded column is connected with the power assembly, the anti-skidding stabilizing plate is characterized in that an adjusting column is arranged below the sliding plate, two ends of the adjusting column are rotatably connected with a mounting frame, the mounting frame is fixedly connected to the bottom of the sliding plate and is located above the adjusting column, the mounting frame is fixedly connected to the top of the lifting plate and is located below the adjusting column, the bottom of the lifting plate is fixedly connected with the lifting column, and the bottom of the lifting column is fixedly connected with the anti-skidding stabilizing plate.
Further, the power assembly comprises a power shell, power motors, power chain wheels and a power chain, the power shell is fixedly connected to one side of the stabilizing shell, two power chain wheels which are symmetrically distributed are arranged at the inner cavity of the power shell and are connected through the power chain in a transmission manner, the power chain wheels are meshed with the power chain and are connected, one of the power chain wheels is fixedly connected to the output end of the power motor, the power motor is fixedly connected to the inner wall of the power shell, two bidirectional threaded columns are fixedly connected to one side of the two power chain wheels, two support holes which are symmetrically distributed are formed in one side, close to the power shell, of the stabilizing shell, one end of each bidirectional threaded column is rotatably connected with the side wall of the inner cavity of the stabilizing shell, the other end of each bidirectional threaded column penetrates through the support holes and extends to the inner cavity of the power shell, and the mounting rack comprises a central column and a side plate, the lifting plate is characterized in that side plates are fixedly connected to two ends of the central column, the surface of the central column is rotatably connected with the adjusting columns, and four lifting columns distributed in a rectangular structure are fixedly connected to the bottom of the lifting plate.
The application has the advantages that: the movable water-gas alternative gas injection device for shale oil exploitation is convenient to mix, adjust, move and stably support.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.
FIG. 1 is a schematic perspective view of a mobile water gas alternating injection apparatus for shale oil production according to an embodiment of the present application;
FIG. 2 is a schematic plan view of the gas injection apparatus in the embodiment shown in FIG. 1;
FIG. 3 is a schematic structural diagram of the embodiment shown in FIG. 1, in which a motor, a main gear, a transmission wheel set, a transmission chain wheel, a main chain wheel and a rotating tube are added;
FIG. 4 is a schematic structural view showing the positional relationship between the rotary tube, the center tube and the side tubes in the embodiment of FIG. 1;
FIG. 5 is a schematic diagram showing the structure of the positional relationship among the water storage tank, the gas moderating casing, the water injection pump, the water injection pipe, the gas injection pump, and the gas injection pipe in the embodiment shown in FIG. 1;
FIG. 6 is a schematic structural view showing the positional relationship among the driving motor, the driving sprocket, the connecting chain and the first unidirectional threaded stud in the embodiment shown in FIG. 1;
FIG. 7 is a structural diagram illustrating a positional relationship among the first unidirectional threaded post, the adjustment plate, the spacing post and the connection post in the embodiment of FIG. 1;
FIG. 8 is a schematic structural view of the positional relationship among the adjustment motor, the second unidirectional threaded post, the moving plate, the positioning post and the connecting plate in the embodiment shown in FIG. 1;
FIG. 9 is a schematic structural view of the positional relationship among the power motor, the power sprocket, the power chain, the two-way threaded post, the sliding plate and the fixed post in the embodiment of FIG. 1;
fig. 10 is an exploded view of the embodiment of fig. 1 showing the positional relationship between the adjustment post and the mounting bracket.
The meaning of the reference symbols in the figures: 1. a support plate; 2. a water storage tank body; 3. a water injection pump; 4. a water injection pipe; 5. a fixed tube; 6. bending the pipe; 7. alternating air pipes; 8. a gas injection pipe; 9. an air injection pump; 10. a gas mixing housing; 11. a nitrogen gas storage tank body; 12. a carbon dioxide gas storage tank body; 13. a stirring motor; 14. a stirring shaft; 15. stirring the page; 16. installing a shell; 17. adding a motor; 18. a main gear; 19. a transmission wheel set; 20. a drive chain; 21. a main sprocket; 22. rotating the tube; 23. a central tube; 24. a side tube; 25. a connecting pipe; 26. adding a pump; 27. a support housing; 28. a limiting column; 29. an adjusting plate; 30. a first unidirectional threaded post; 31. connecting columns; 32. a stationary housing; 33. adjusting the motor; 34. a second unidirectional threaded post; 35. moving the plate; 36. a positioning column; 37. a connecting plate; 38. mounting a plate; 39. connecting the shell; 40. a drive motor; 41. a drive sprocket; 42. connecting a chain; 43. supporting a sliding wheel set; 44. a stabilizing housing; 45. fixing a column; 46. a sliding plate; 47. a bidirectional threaded post; 48. an adjustment column; 49. a mounting frame; 50. a lifting plate; 51. a lifting column; 52. an anti-skid stabilizer plate; 53. a power housing; 54. a power motor; 55. a power sprocket; 56. a power chain.
Detailed Description
In order to make the purpose, features and advantages of the present application more obvious and understandable, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the embodiments described below are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without making any creative effort belong to the protection scope of the present application.
The technical scheme of the application is further explained by the specific implementation mode in combination with the attached drawings.
In the description of the present application, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present application and simplifying the description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present application.
Referring to fig. 1, 2 and 5, a mobile water-gas alternative gas injection device for shale oil exploitation comprises a gas injection structure, the gas injection structure comprises a support plate 1, a water storage tank body 2, a water injection pump 3, a water injection pipe 4, a fixed pipe 5, a bent pipe 6, an alternative gas pipe 7, a gas injection pipe 8, a gas injection pump 9, a gas mixing shell 10, a nitrogen gas storage tank body 11, a carbon dioxide gas storage tank body 12, a stirring motor 13 and a stirring shaft 14, the top of the support plate 1 is fixedly connected with the water storage tank body 2, one side of the support plate 1 is fixedly connected with the water storage tank body 2, the outlet end of the water injection pump 3 is fixedly connected with the water injection pipe 4, one end of the water injection pipe 4 is fixedly connected with the fixed pipe 5, the other end of the fixed pipe 5 is fixedly connected with the bent pipe 6, one end of the bent pipe 6 is fixedly connected with the alternative gas pipe 7 for shale oil exploitation, one end of the fixed pipe 5 far away from the bent pipe 6 is fixedly connected with the gas injection pipe 8, one end of the gas injection pipe 8 is fixedly connected with the outlet end of the gas injection pump 9, the equal rigid coupling of water injection pump 3 and gas injection pump 9 is in 1 top of backup pad, and the entrance point and the rigid coupling of gas mixing casing 10 of gas injection pump 9, and gas mixing casing 10 inner chamber department is provided with the stirring subassembly, and gas mixing casing 10 one side is provided with nitrogen gas storage box 11 and carbon dioxide gas storage box 12, and the equal rigid coupling of gas mixing casing 10, nitrogen gas storage box 11 and carbon dioxide gas storage box 12 is in 1 top of backup pad, just the joining subassembly is all installed at nitrogen gas storage box 11 and carbon dioxide gas storage box 12 top.
Through the technical scheme, the mixed gas can be injected into the shale oil reservoir by using the gas injection structure, the gas and water can be alternately injected for oil extraction, the mixed gas injected into the shale oil reservoir can exert the competitive adsorption capacity of carbon dioxide and the permeation enhancing effect of nitrogen, the requirement on the purification concentration of the mixed gas is low or purification is not needed, the gas source cost and the total cost of the mixed gas for displacing the coal bed gas are greatly reduced, meanwhile, the recovery ratio of the shale oil can be effectively improved by adopting a gas and water alternate injection mode, when in use, the alternate gas pipe 7 is connected with the oil extraction gas injection pipe column, then the water injection pump 3 and the water injection pipe 4 are used for injecting water into the fixed pipe 5, so that the bent pipe 6 and the alternate gas pipe 7 are injected with water, then the oil extraction gas injection pipe column is injected with water, the shale oil reservoir can be injected with water, and then the gas injection pump 9 and the gas injection pipe 8 are used for injecting gas into the fixed pipe 5, thereby to the return bend 6 with gas injection in the trachea 7 in turn, and then to oil recovery gas injection tubular column gas injection, can be to the gas injection in the shale oil reservoir, and go on in turn between water injection and the gas injection, thereby realize carrying out the gas-water alternative gas injection to the shale oil reservoir, improve the recovery ratio of shale oil, and can inject the mist of nitrogen gas and carbon dioxide into oil recovery gas injection tubular column through nitrogen gas storage box 11 and carbon dioxide gas storage box 12, the mist both can exert the competitive adsorption ability of carbon dioxide this moment, can exert the permeation enhancement effect of nitrogen gas again, and the mist purification concentration requires lowly or need not purify, the total cost of gas source cost and mist displacement coal bed gas has been reduced by a wide margin, be convenient for the recovery of shale oil.
As a further optimization scheme, as shown in fig. 2, the stirring assembly includes a stirring motor 13, a stirring shaft 14 and a stirring blade 15, the stirring motor 13 is fixedly connected to the top of the gas mixing casing 10, the output end of the stirring motor 13 is fixedly connected to the stirring shaft 14, the surface of the stirring shaft 14 is fixedly connected to the stirring blade 15, and the top surface of the gas mixing casing 10 is provided with a rotation hole, the bottom end of the stirring shaft 14 penetrates through the rotation hole and extends to the inner cavity of the gas mixing casing 10, the surface of the stirring shaft 14 is fixedly connected to a plurality of stirring blades 15, the stirring motor 13 drives the stirring shaft 14 to rotate when in use, thereby driving the stirring blade 15 to rotate, the stirring blade 15 can stir and mix carbon dioxide and nitrogen in the gas mixing casing 10, so as to improve the mixing efficiency of the mixed gas and facilitate the use of the mixed gas.
As a further optimization scheme, as shown in fig. 3 and 4, the adding component includes an installing shell 16, an adding motor 17, a main gear 18, a transmission wheel set 19, a transmission chain 20, a main sprocket 21, a rotating pipe 22, a central pipe 23, a side pipe 24, a connecting pipe 25 and an adding pump 26, the installing shell 16 is fixedly connected to the top surface of the gas mixing shell 10, the adding motor 17 is arranged in the inner cavity of the installing shell 16, the adding motor 17 is fixedly connected to the top surface of the gas mixing shell 10, the output end of the adding motor 17 is fixedly connected to the main gear 18, the side surface of the main gear 18 is engaged with the transmission wheel set 19, the side surface of the transmission wheel set 19 is engaged with the transmission chain 20, the transmission chain 20 is engaged with the side surface of the main sprocket 21, the transmission wheel set 19 and the main sprocket 21 are respectively fixedly connected to the rotating pipe 22, the bottom end of the rotating pipe 22 is fixedly connected to the central pipe 23, the side surface of the central pipe 23 is fixedly connected to the side pipe 24, the top ends of the two rotating pipes 22 are rotatably connected with the connecting pipe 25, one end of each of the two connecting pipes 25 is fixedly connected to the outlet end of the feeding pump 26, and the two outlet ends are fixedly connected to the tops of the nitrogen gas storage tank 11 and the carbon dioxide gas storage tank 12, respectively, when in use, the feeding pump 26 and the connecting pipes 25 on the two sides can be used for feeding the nitrogen gas and the carbon dioxide gas in the nitrogen gas storage tank 11 and the carbon dioxide gas in the carbon dioxide gas storage tank 12 into the two rotating pipes 22 respectively for feeding the carbon dioxide gas and the nitrogen gas, at this time, the feeding motor 17 is used for driving the transmission wheel set 19 to rotate, thereby driving the transmission chain 20 to rotate, further driving the main chain wheel 21 to rotate, the transmission wheel set 19 and the main chain wheel 21 can be used for driving the rotating pipes 22 on the two sides to rotate, the rotating pipe 22 can be used for driving the central pipe 23 to rotate, thereby driving the side pipe 24 to rotate, so that the carbon dioxide gas and the nitrogen gas can be uniformly fed into the gas mixing shell 10, so as to improve the mixing efficiency of the carbon dioxide gas and the nitrogen gas, the production of the mixed gas is convenient.
Specifically, as shown in fig. 3 and 4, the top of the gas mixing casing 10 and the top of the nitrogen gas storage tank 11 are both fixedly connected with an adding pump 26, the transmission wheel set 19 includes a pinion and a pinion, the pinion is engaged with the main gear 18, the pinion is engaged with the transmission chain 20, the main gear 18 can drive the pinion to rotate when rotating, thereby driving the pinion to rotate, and further driving the transmission chain 20 to rotate, the transmission wheel set 19 and the main chain 21 are both provided with fixing holes, the top surface of the gas mixing casing 10 is provided with two first mounting holes which are symmetrically distributed, the top surface of the mounting casing 16 is provided with two second mounting holes which are symmetrically distributed, the top end of the rotating pipe 22 penetrates through the fixing holes and the second mounting holes and extends to the upper side of the mounting casing 16, the bottom end of the rotating pipe 22 penetrates through the first mounting holes and extends to the lower side of the gas mixing casing 10, the side of the central pipe 23 is fixedly connected with a plurality of side pipes 24 which are distributed in an annular array, the rotating pipe 22, the central pipe 23 and the side pipe 24 are all provided with a plurality of uniformly distributed adding holes.
As an optimized scheme, as shown in FIG. 2, the device comprises an adjusting structure, the adjusting structure comprises a supporting shell 27, a limiting column 28, an adjusting plate 29, a first unidirectional threaded column 30, a connecting column 31, a fixed shell 32, an adjusting motor 33, a second unidirectional threaded column 34, a moving plate 35, a positioning column 36, a connecting plate 37 and a mounting plate 38, the supporting shell 27 is fixedly connected to the top of the supporting plate 1, the bottom of the inner cavity of the supporting shell 27 is fixedly connected with the limiting column 28, the surface of the limiting column 28 is slidably connected with the adjusting plate 29, the adjusting plate 29 is in threaded connection with the surface of the first unidirectional threaded column 30, the bottom end of the first unidirectional threaded column 30 is connected with a driving component, one side of the adjusting plate 29 is fixedly connected with the connecting column 31, one end of the connecting column 31 is fixedly connected with the fixed shell 32, the side wall of the inner cavity of the fixed shell 32 is fixedly connected with the adjusting motor 33, the output end of the adjusting motor 33 is fixedly connected with the second unidirectional threaded column 34, the surface of the second unidirectional threaded column 34 is in threaded column 35 in threaded connection with the moving plate 35, the moving plate 35 is slidably connected to the surface of the positioning column 36, the positioning column 36 is fixedly connected to the side wall of the inner cavity of the fixed shell 32, the top of the moving plate 35 is fixedly connected to the connecting plate 37, the top of the connecting plate 37 is fixedly connected to the mounting plate 38, and the top of the mounting plate 38 is fixedly connected to the bottom of the fixed tube 5.
Through the technical scheme, the problems in the prior art are solved, the transverse position and the longitudinal position of the alternate gas pipe 7 can be adjusted by using the adjusting structure, the problem that the gas injection device is difficult to adjust and has a small application range is solved, the alternate gas pipe 7 is convenient to be installed according to the position of the oil extraction gas injection pipe column, the application range of the gas injection device is improved, the practicability of the gas injection device is improved, when the gas injection device is used, the driving assembly can drive the first one-way threaded column 30 to rotate, the first one-way threaded column 30 can drive the adjusting plate 29 to move along the limiting column 28 when rotating, so that the fixed shell 32 and the fixed pipe 5 are driven to move in the same direction, the heights of the fixed pipe 5 and the alternate gas pipe 7 can be adjusted, then the adjusting motor 33 is used for driving the second one-way threaded column 34 to rotate, so that the moving plate 35 is driven to move along the positioning column 36, and the connecting plate 37 can be driven to move in the same direction when the moving plate 35 moves, and then drive mounting panel 38 and fixed pipe 5 syntropy removal, and then drive return bend 6 and alternative trachea 7 syntropy removal, can adjust the horizontal and longitudinal position of alternative trachea 7, be convenient for according to the position control alternative trachea 7's of oil recovery gas injection tubular column position, be convenient for alternative trachea 7 and the connection of oil recovery gas injection tubular column.
As a further optimization scheme, as shown in fig. 6, the driving assembly includes a connecting housing 39, a driving motor 40, two driving sprockets 41 and a connecting chain 42, the connecting housing 39 is fixedly connected to the bottom of the supporting plate 1, two driving sprockets 41 are symmetrically arranged in an inner cavity of the connecting housing 39, the two driving sprockets 41 are in transmission connection via the connecting chain 42, the lateral surfaces of the driving sprockets 41 are in meshing connection with the connecting chain 42, the top portions of the two driving sprockets 41 are fixedly connected to the first unidirectional threaded column 30, one of the driving sprockets 41 is fixedly connected to the output end of the driving motor 40, the driving motor 40 is fixedly connected to the bottom of the inner cavity of the connecting housing 39, the supporting plate 1 is provided with two symmetrically arranged preset holes, the top end of the first unidirectional threaded column 30 penetrates through the preset hole and is fixedly connected to the top portion of the inner cavity of the supporting housing 27, the driving motor 40 can drive the driving sprockets 41 to rotate so as to drive the connecting chain 42 to rotate, at this time, the driving sprockets 41 on both sides can be rotated simultaneously, and the first unidirectional threaded columns 30 on both sides are driven to rotate simultaneously.
Particularly, as shown in fig. 7 and 8, the top rigid coupling of support plate 1 has the support casing 27 of two symmetric distributions, the regulation mouth has all been seted up to two one sides that support the casing 27 is relative, regulating plate 29 one side rigid coupling has the spliced pole 31 of two symmetric distributions, spliced pole 31 one end runs through the regulation mouth and extends to the support casing 27 outside, support casing 27 inner chamber bottom rigid coupling has the spacing post 28 of two symmetric distributions, the spacing hole of two symmetric distributions is seted up to regulating plate 29, spacing post 28 top is run through spacing hole and rigid coupling in support casing 27 inner chamber top, spacing post 28 can be injectd the removal orbit of regulating plate 29.
Specifically, as shown in fig. 7 and 8, two positioning columns 36 symmetrically distributed are fixedly connected to a side wall of an inner cavity of the fixed casing 32, two positioning holes symmetrically distributed are formed in the moving plate 35, one end of each positioning column 36 penetrates through the positioning holes and is fixedly connected to the side wall of the inner cavity of the fixed casing 32, the moving track of the moving plate 35 can be limited by the positioning columns 36, two connecting plates 37 symmetrically distributed are fixedly connected to the top of the moving plate 35, two connecting ports symmetrically distributed are formed in the top surface of the fixed casing 32, and the top end of each connecting plate 37 penetrates through the connecting ports and extends to the upper side of the fixed casing 32.
As an optimized scheme, as shown in FIG. 2, the device comprises a moving structure, the moving structure comprises a supporting sliding wheel set 43, a stabilizing shell 44, a fixed column 45, a sliding plate 46, a bidirectional threaded column 47, an adjusting column 48, an installation frame 49, a lifting plate 50, a lifting column 51 and an anti-skidding stabilizing plate 52, the supporting sliding wheel set 43 is fixedly connected at four corners of the bottom of a supporting plate 1, the stabilizing shell 44 is fixedly connected at the bottom of the supporting plate 1, the fixed column 45 is fixedly connected with the side wall of the inner cavity of the stabilizing shell 44, the sliding plate 46 is slidably connected with the surface of the fixed column 45, the sliding plate 46 is in threaded connection with the surface of the bidirectional threaded column 47, one end of the bidirectional threaded column 47 is connected with a power assembly, the adjusting column 48 is arranged below the sliding plate 46, the installation frame 49 is rotatably connected at two ends of the adjusting column 48, the installation frame 49 above is fixedly connected at the bottom of the sliding plate 46, the installation frame 49 below is fixedly connected at the top of the lifting plate 50, the bottom of the lifting plate 50 is fixedly connected with a lifting column 51, and the bottom end of the lifting column 51 is fixedly connected with an anti-skid stabilizing plate 52.
Through the technical scheme, the position of the gas injection device can be conveniently adjusted by utilizing the moving structure, meanwhile, the gas injection device can be more stable when in use, the shale oil extraction is convenient, the gas injection device can be conveniently used, when in use, one side of the gas injection device can be more labor-saving and quicker by utilizing the supporting sliding wheel set 43, after the gas injection device is moved to a specified area by utilizing the supporting sliding wheel set 43, then the power assembly is utilized to drive the bidirectional threaded column 47 to rotate, the bidirectional threaded column 47 can drive the sliding plates 46 at two sides to move back and forth along the fixed column 45 when rotating, at the moment, the adjusting column 48 can rotate under the action of the mounting rack 49, so as to drive the lifting plate 50 to move downwards, further drive the lifting column 51 to move in the same direction, at the moment, the anti-skid stabilizing plate 52 can be driven to move in the same direction, the anti-skid stabilizing plate 52 can be tightly attached to the ground, and the friction force between the gas injection device and the ground is increased, the gas injection device is more stable when in use, when the gas injection device needs to be moved, the anti-skid stabilizing plate 52 is far away from the ground in an opposite mode, and at the moment, the gas injection device can be moved by the supporting sliding wheel set 43.
As a further optimized scheme, as shown in fig. 2, 9 and 10, the power assembly includes a power housing 53, a power motor 54, power chain wheels 55 and a power chain 56, the power housing 53 is fixedly connected to one side of the stabilizing housing 44, two power chain wheels 55 are symmetrically arranged in an inner cavity of the power housing 53, the two power chain wheels 55 are in transmission connection with the power chain 56, the power chain wheels 55 are in meshing connection with the power chain 56, one of the power chain wheels 55 is fixedly connected to an output end of the power motor 54, the power motor 54 is fixedly connected to an inner wall of the power housing 53, two bidirectional threaded posts 47 are fixedly connected to one side of each of the two power chain wheels 55, when in use, the power motor 54 can drive the corresponding power chain wheel 55 to rotate, thereby driving the power chain 56 to rotate, and further driving the other power chain wheel 55 to rotate, when the two power chain wheels 55 rotate, the two bidirectional threaded posts 47 can be driven to rotate simultaneously, stabilize one side that casing 44 is close to power casing 53 and offer the supported hole of two symmetric distributions, two-way screw post 47 one end with stabilize casing 44 inner chamber lateral wall and rotate and be connected, the other end of two-way screw post 47 runs through the supported hole and extends to power casing 53 inner chamber department, mounting bracket 49 includes center post and curb plate, the equal rigid coupling in center post both ends has the curb plate, center post surface rotates with regulation post 48 to be connected, lifter plate 50 bottom rigid coupling has four lift posts 51 that are the distribution of rectangular structure.
It will be evident to those skilled in the art that the present application is not limited to the details of the foregoing illustrative embodiments, and that the present application may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the application being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
The above embodiments are only used to illustrate the technical solutions of the present application, and not to limit the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions in the embodiments of the present application.
Claims (10)
1. The utility model provides a portable aqueous vapor gas injection device in turn for shale oil recovery which characterized in that: including the gas injection structure, the gas injection structure includes backup pad (1), the storage water tank body (2), water injection pump (3), water injection pipe (4), fixed pipe (5), return bend (6), gas pipe (7), gas injection pipe (8), gas injection pump (9), gas mixing casing (10), nitrogen gas storage box (11), carbon dioxide gas storage box (12), agitator motor (13) and (mixing) shaft (14) in turn, backup pad (1) top rigid coupling water storage box (2), backup pad (1) one side rigid coupling water storage box (2), the exit end rigid coupling water injection pipe (4) of water injection pump (3), fixed pipe (5) of water injection pipe (4) one end rigid coupling, fixed pipe (5) other end rigid coupling return bend (6), return bend (6) one end rigid coupling has alternative gas pipe (7) that are used for shale oil recovery, the one end rigid coupling gas injection pipe (8) of return bend (6) are kept away from to fixed pipe (5), gas injection pipe (8) one end rigid coupling is in the exit end of annotating air pump (9), water injection pump (3) and the equal rigid coupling of notes air pump (9) in backup pad (1) top, the entrance point and the rigid coupling of gas mixture casing (10) of annotating air pump (9), gas mixture casing (10) inner chamber department is provided with the stirring subassembly, gas mixture casing (10) one side is provided with nitrogen gas storage box (11) and carbon dioxide gas storage box (12), just gas mixture casing (10), nitrogen gas storage box (11) and carbon dioxide gas storage box (12) equal rigid coupling in backup pad (1) top, just the joining subassembly is all installed at nitrogen gas storage box (11) and carbon dioxide gas storage box (12) top.
2. The mobile alternating water and gas injection apparatus for shale oil production according to claim 1, wherein: stirring subassembly includes agitator motor (13), (mixing) shaft (14) and stirring page or leaf (15), agitator motor (13) rigid coupling is in gas mixing casing (10) top, output rigid coupling (mixing) shaft (14) of agitator motor (13), stirring page or leaf (15) are stirred in (mixing) shaft (14) surface rigid coupling, just the rotation hole has been seted up to gas mixing casing (10) top surface, rotation hole and extension to gas mixing casing (10) inner chamber department are run through to (mixing) shaft (14) bottom, stirring shaft (14) surface rigid coupling has a plurality of stirring page or leaf (15).
3. The mobile alternating water and gas injection apparatus for shale oil production according to claim 1, wherein: the feeding assembly comprises a mounting shell (16), a feeding motor (17), a main gear (18), a transmission wheel set (19), a transmission chain (20), a main chain wheel (21), a rotating pipe (22), a central pipe (23), a side pipe (24), a connecting pipe (25) and a feeding pump (26), wherein the mounting shell (16) is fixedly connected with the top surface of the gas mixing shell (10), the inner cavity of the mounting shell (16) is provided with the feeding motor (17), the feeding motor (17) is fixedly connected with the top surface of the gas mixing shell (10), the main gear (18) is fixedly connected with the output end of the motor (17), the transmission wheel set (19) is in meshing connection with the side surface of the main gear (18), the transmission chain (20) is in meshing connection with the side surface of the transmission wheel set (19), the transmission chain (20) is in meshing connection with the side surface of the main chain wheel (21), and the transmission wheel set (19) and the main chain wheel (21) are respectively and fixedly connected with the rotating pipe (22), rotating tube (22) bottom rigid coupling center tube (23), center tube (23) side rigid coupling side tube (24), two rotating tube (22) top all rotates and is connected with connecting pipe (25), and two connecting pipe (25) one end rigid coupling respectively in the exit end of adding pump (26), and two the exit end rigid coupling respectively in nitrogen gas storage box (11) and carbon dioxide gas storage box (12) top.
4. The mobile water gas alternating injection apparatus for shale oil production according to claim 3, wherein: the gas mixing shell (10) and the nitrogen gas storage box body (11) are fixedly connected with an adding pump (26) at the top, the transmission wheel set (19) comprises an auxiliary gear and an auxiliary chain wheel, the auxiliary gear is meshed with the main gear (18) and is connected with the auxiliary chain wheel (20), the transmission wheel set (19) and the main chain wheel (21) are respectively provided with a fixed hole, the top surface of the gas mixing shell (10) is provided with first mounting holes which are symmetrically distributed, the top surface of the installation shell (16) is provided with second mounting holes which are symmetrically distributed, the top end of the rotating pipe (22) is penetrated through the fixed holes and the second mounting holes and extends to the upper part of the installation shell (16), the bottom end of the rotating pipe (22) is penetrated through the first mounting holes and extends to the lower part of the gas mixing shell (10), the side surface of the central pipe (23) is provided with a plurality of side pipes (24) which are distributed in an annular array, the rotating pipe (22), the central pipe (23) and the side pipe (24) are all provided with a plurality of uniformly distributed adding holes.
5. The mobile water gas alternating injection apparatus for shale oil production according to claim 1, wherein: including adjusting the structure, adjust the structure including supporting casing (27), spacing post (28), regulating plate (29), first one-way thread post (30), spliced pole (31), fixed casing (32), accommodate motor (33), second one-way thread post (34), movable plate (35), reference column (36), connecting plate (37) and mounting panel (38), support casing (27) rigid coupling in backup pad (1) top, support casing (27) inner chamber bottom rigid coupling spacing post (28), spacing post (28) surface sliding connection regulating plate (29), regulating plate (29) and first one-way thread post (30) surface threaded connection, first one-way thread post (30) bottom is connected with drive assembly, regulating plate (29) one side rigid coupling spliced pole (31), casing (32) is fixed to spliced pole (31) one end rigid coupling, fixed casing (32) inner chamber lateral wall rigid coupling accommodate motor (33), the output rigid coupling second unidirectional thread post (34) of accommodate motor (33), second unidirectional thread post (34) surface threaded connection has movable plate (35), movable plate (35) sliding connection is on reference column (36) surface, reference column (36) rigid coupling is in fixed casing (32) inner chamber lateral wall, movable plate (35) top rigid coupling connecting plate (37), connecting plate (37) top rigid coupling mounting panel (38), mounting panel (38) top and fixed pipe (5) bottom rigid coupling.
6. The mobile water gas alternating injection apparatus for shale oil production according to claim 5, wherein: the driving component comprises a connecting shell (39), a driving motor (40), a driving chain wheel (41) and a connecting chain (42), the connecting shell (39) is fixedly connected with the bottom of the supporting plate (1), two driving chain wheels (41) which are symmetrically distributed are arranged at the inner cavity of the connecting shell (39), the two driving chain wheels (41) are in transmission connection through a connecting chain (42), the side surfaces of the driving chain wheels (41) are meshed with the connecting chain (42), the tops of the two driving chain wheels (41) are fixedly connected with first one-way threaded columns (30), and one of the driving chain wheels (41) is fixedly connected with the output end of the driving motor (40), the driving motor (40) is fixedly connected with the bottom of the inner cavity of the connecting shell (39), the supporting plate (1) is provided with two preset holes which are symmetrically distributed, the top end of the first one-way threaded column (30) penetrates through the preset hole and is fixedly connected to the top of the inner cavity of the supporting shell (27).
7. The mobile water gas alternating injection apparatus for shale oil production according to claim 5, wherein: backup pad (1) top rigid coupling has support casing (27) of two symmetric distributions, two the regulation mouth has all been seted up to support casing (27) relative one side, regulating plate (29) one side rigid coupling has spliced pole (31) of two symmetric distributions, spliced pole (31) one end is run through the regulation mouth and is extended to the support casing (27) outside, support casing (27) inner chamber bottom rigid coupling has spacing post (28) of two symmetric distributions, the spacing hole of two symmetric distributions is seted up in regulating plate (29), spacing post (28) top is run through spacing hole and rigid coupling in support casing (27) inner chamber top.
8. The mobile water gas alternating injection apparatus for shale oil production according to claim 5, wherein: fixed casing (32) inner chamber lateral wall rigid coupling has reference column (36) of two symmetric distributions, two symmetric distributions's locating hole has been seted up in movable plate (35), reference column (36) one end runs through locating hole and rigid coupling in fixed casing (32) inner chamber lateral wall, movable plate (35) top rigid coupling has connecting plate (37) of two symmetric distributions, two symmetric distributions's connector is seted up to fixed casing (32) top surface, connecting plate (37) top runs through the connector and extends to fixed casing (32) top.
9. The mobile water gas alternating injection apparatus for shale oil production according to claim 1, wherein: the device comprises a moving structure, the moving structure comprises a supporting sliding wheel set (43), a stabilizing shell (44), a fixing column (45), a sliding plate (46), a two-way threaded column (47), an adjusting column (48), an installation frame (49), a lifting plate (50), a lifting column (51) and an anti-skidding stabilizing plate (52), the supporting sliding wheel set (43) is fixedly connected at the four corners of the bottom of the supporting plate (1), the stabilizing shell (44) is fixedly connected at the bottom of the supporting plate (1), the fixing column (45) is fixedly connected with the side wall of the inner cavity of the stabilizing shell (44), the sliding plate (46) is connected with the surface of the fixing column (45) in a sliding manner, the sliding plate (46) is in threaded connection with the surface of the two-way threaded column (47), one end of the two-way threaded column (47) is connected with a power assembly, the adjusting column (48) is arranged below the sliding plate (46), and the installation frame (49) is rotatably connected at the two ends of the adjusting column (48), the mounting frame (49) located above is fixedly connected to the bottom of the sliding plate (46), the mounting frame (49) located below is fixedly connected to the top of the lifting plate (50), the bottom of the lifting plate (50) is fixedly connected with a lifting column (51), and the bottom end of the lifting column (51) is fixedly connected with an anti-skidding stabilizing plate (52).
10. The mobile water gas alternating injection apparatus for shale oil production according to claim 9, wherein: the power assembly comprises a power shell (53), a power motor (54), power chain wheels (55) and a power chain (56), wherein the power shell (53) is fixedly connected to one side of a stabilizing shell (44), the inner cavity of the power shell (53) is provided with two power chain wheels (55) which are symmetrically distributed, the two power chain wheels (55) are in transmission connection through the power chain (56), the power chain wheels (55) are in meshing connection with the power chain (56), one of the power chain wheels (55) is fixedly connected to the output end of the power motor (54), the power motor (54) is fixedly connected to the inner wall of the power shell (53), two-way threaded columns (47) are fixedly connected to one side of each power chain wheel (55), one side of the stabilizing shell (44) close to the power shell (53) is provided with two symmetrically distributed support holes, one end of each two-way threaded column (47) is rotatably connected with the inner cavity side wall of the stabilizing shell (44), the other end of the two-way threaded column (47) penetrates through the supporting hole and extends to the inner cavity of the power shell (53), the mounting rack (49) comprises a center column and side plates, the side plates are fixedly connected to the two ends of the center column, the surface of the center column is rotatably connected with the adjusting column (48), and four lifting columns (51) distributed in a rectangular structure are fixedly connected to the bottom of the lifting plate (50).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210642094.7A CN114909113B (en) | 2022-06-08 | 2022-06-08 | Movable water-gas alternate gas injection device for shale oil exploitation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210642094.7A CN114909113B (en) | 2022-06-08 | 2022-06-08 | Movable water-gas alternate gas injection device for shale oil exploitation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114909113A true CN114909113A (en) | 2022-08-16 |
| CN114909113B CN114909113B (en) | 2023-11-24 |
Family
ID=82770030
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210642094.7A Active CN114909113B (en) | 2022-06-08 | 2022-06-08 | Movable water-gas alternate gas injection device for shale oil exploitation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114909113B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115434684A (en) * | 2022-08-30 | 2022-12-06 | 中国石油大学(华东) | Air displacement device for fracturing oil shale |
Citations (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101004132A (en) * | 2007-01-04 | 2007-07-25 | 中国石油大学(华东) | Exploitation technique for disgorging thick oil by pouring air to assistant steam |
| CN201031675Y (en) * | 2007-03-30 | 2008-03-05 | 辽河石油勘探局 | Steam CO2 nitrogen linkage-pouring oil production device |
| CN102606121A (en) * | 2012-03-15 | 2012-07-25 | 中国海洋石油总公司 | Multi-element thermal fluid production process for heavy oil reservoir and thermal recovery process |
| CN102606117A (en) * | 2012-04-05 | 2012-07-25 | 中国石油天然气股份有限公司 | Air and nitrogen alternating displacement exploitation method for mid-deep zone low-permeability thin oil reservoir |
| CN103061730A (en) * | 2013-01-28 | 2013-04-24 | 中国石油大学(华东) | Method for coal bed methane mining by multi-element thermal fluid foam displacement |
| CN205117321U (en) * | 2015-12-04 | 2016-03-30 | 东北石油大学 | Super supercritical carbon dioxide , nitrogen gas, compound fracturing system of water conservancy |
| US20170051595A1 (en) * | 2015-08-20 | 2017-02-23 | Titan Oil Recovery, Inc. | Method of microbially assisted water alternating gas injection as a means of enhanced oil recovery by supplementing the immiscible water injection cycle with nutrients to improve oil release in oil-containing rock formations |
| CN206530454U (en) * | 2017-03-13 | 2017-09-29 | 中国石油大学(华东) | A kind of carbon dioxide oil recovery water alternating gas injection pump |
| CN207004493U (en) * | 2016-12-13 | 2018-02-13 | 王琳 | A kind of non-mixed phase air water of low-permeability oil deposit hands over note fluctuation increasing injection device |
| CN108397171A (en) * | 2018-02-02 | 2018-08-14 | 中国石油大学(华东) | A kind of nitrogen auxiliary carbon dioxide is handled up the method for the fine and close oil of exploitation |
| CN208220723U (en) * | 2018-03-22 | 2018-12-11 | 西安长庆科技工程有限责任公司 | A kind of water alternating gas injection wellhead assembly |
| CN109488267A (en) * | 2017-09-12 | 2019-03-19 | 中国石油天然气股份有限公司 | Recovery system and collecting method |
| CN209959220U (en) * | 2019-04-09 | 2020-01-17 | 华永能源科技(天津)有限公司 | Injection device for petroleum recovery |
| CN112377166A (en) * | 2020-12-14 | 2021-02-19 | 西南石油大学 | Shale oil reservoir nitrogen-assisted carbon dioxide fracturing and development integrated method |
| CN113154244A (en) * | 2021-03-10 | 2021-07-23 | 中国石油大学(华东) | Gas filling equipment for oil oxygen reduction air flooding exploitation |
| CN113338823A (en) * | 2021-05-10 | 2021-09-03 | 中国石油大学(华东) | Pipeline transportation device for carbon dioxide flooding |
| CN113374453A (en) * | 2021-07-13 | 2021-09-10 | 秦昊良 | Carbon dioxide gas injection device for carbon dioxide flooding |
| CN113503148A (en) * | 2021-07-14 | 2021-10-15 | 赵聪 | Gas conveying device for carbon dioxide flooding |
| CN113888941A (en) * | 2021-10-15 | 2022-01-04 | 周育敏 | In-vitro simulation training device for ultrasound-guided puncture |
| US20220003079A1 (en) * | 2020-09-25 | 2022-01-06 | Keyuan Engineering Technology Testing Center Of Sichuan Province | Simulation analysis method for injection volume of alternate displacement of shale oil by carbon dioxide and nitrogen |
| CN216085866U (en) * | 2021-10-08 | 2022-03-18 | 刘启勇 | Mounting rack for electrical engineering power distribution cabinet |
| CN114290282A (en) * | 2022-01-05 | 2022-04-08 | 肖鹏飞 | Drainage pipe installation device for municipal engineering construction |
| CN114451184A (en) * | 2022-02-21 | 2022-05-10 | 青海千福农牧开发有限公司 | Astragalus is planted with cultivation device of growing seedlings |
-
2022
- 2022-06-08 CN CN202210642094.7A patent/CN114909113B/en active Active
Patent Citations (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101004132A (en) * | 2007-01-04 | 2007-07-25 | 中国石油大学(华东) | Exploitation technique for disgorging thick oil by pouring air to assistant steam |
| CN201031675Y (en) * | 2007-03-30 | 2008-03-05 | 辽河石油勘探局 | Steam CO2 nitrogen linkage-pouring oil production device |
| US20080236812A1 (en) * | 2007-03-30 | 2008-10-02 | Fengshan Zhang | Oil recovery by injection of steam, carbon dioxide and nitrogen |
| CN102606121A (en) * | 2012-03-15 | 2012-07-25 | 中国海洋石油总公司 | Multi-element thermal fluid production process for heavy oil reservoir and thermal recovery process |
| CN102606117A (en) * | 2012-04-05 | 2012-07-25 | 中国石油天然气股份有限公司 | Air and nitrogen alternating displacement exploitation method for mid-deep zone low-permeability thin oil reservoir |
| CN103061730A (en) * | 2013-01-28 | 2013-04-24 | 中国石油大学(华东) | Method for coal bed methane mining by multi-element thermal fluid foam displacement |
| US20170051595A1 (en) * | 2015-08-20 | 2017-02-23 | Titan Oil Recovery, Inc. | Method of microbially assisted water alternating gas injection as a means of enhanced oil recovery by supplementing the immiscible water injection cycle with nutrients to improve oil release in oil-containing rock formations |
| CN205117321U (en) * | 2015-12-04 | 2016-03-30 | 东北石油大学 | Super supercritical carbon dioxide , nitrogen gas, compound fracturing system of water conservancy |
| CN207004493U (en) * | 2016-12-13 | 2018-02-13 | 王琳 | A kind of non-mixed phase air water of low-permeability oil deposit hands over note fluctuation increasing injection device |
| CN206530454U (en) * | 2017-03-13 | 2017-09-29 | 中国石油大学(华东) | A kind of carbon dioxide oil recovery water alternating gas injection pump |
| CN109488267A (en) * | 2017-09-12 | 2019-03-19 | 中国石油天然气股份有限公司 | Recovery system and collecting method |
| CN108397171A (en) * | 2018-02-02 | 2018-08-14 | 中国石油大学(华东) | A kind of nitrogen auxiliary carbon dioxide is handled up the method for the fine and close oil of exploitation |
| CN208220723U (en) * | 2018-03-22 | 2018-12-11 | 西安长庆科技工程有限责任公司 | A kind of water alternating gas injection wellhead assembly |
| CN209959220U (en) * | 2019-04-09 | 2020-01-17 | 华永能源科技(天津)有限公司 | Injection device for petroleum recovery |
| US20220003079A1 (en) * | 2020-09-25 | 2022-01-06 | Keyuan Engineering Technology Testing Center Of Sichuan Province | Simulation analysis method for injection volume of alternate displacement of shale oil by carbon dioxide and nitrogen |
| CN112377166A (en) * | 2020-12-14 | 2021-02-19 | 西南石油大学 | Shale oil reservoir nitrogen-assisted carbon dioxide fracturing and development integrated method |
| CN113154244A (en) * | 2021-03-10 | 2021-07-23 | 中国石油大学(华东) | Gas filling equipment for oil oxygen reduction air flooding exploitation |
| CN113338823A (en) * | 2021-05-10 | 2021-09-03 | 中国石油大学(华东) | Pipeline transportation device for carbon dioxide flooding |
| CN113374453A (en) * | 2021-07-13 | 2021-09-10 | 秦昊良 | Carbon dioxide gas injection device for carbon dioxide flooding |
| CN113503148A (en) * | 2021-07-14 | 2021-10-15 | 赵聪 | Gas conveying device for carbon dioxide flooding |
| CN216085866U (en) * | 2021-10-08 | 2022-03-18 | 刘启勇 | Mounting rack for electrical engineering power distribution cabinet |
| CN113888941A (en) * | 2021-10-15 | 2022-01-04 | 周育敏 | In-vitro simulation training device for ultrasound-guided puncture |
| CN114290282A (en) * | 2022-01-05 | 2022-04-08 | 肖鹏飞 | Drainage pipe installation device for municipal engineering construction |
| CN114451184A (en) * | 2022-02-21 | 2022-05-10 | 青海千福农牧开发有限公司 | Astragalus is planted with cultivation device of growing seedlings |
Non-Patent Citations (3)
| Title |
|---|
| 丁韦;: "浅析水气交替注入提高低渗裂缝性油藏采收率技术", 中国石油和化工标准与质量, no. 02 * |
| 杨永亮, 仓辉, 杨占红, 徐冰涛, 陈建琪: "温吉桑油田水气交替非混相驱研究", 新疆石油地质, no. 06 * |
| 袁广均;王进安;罗松刚;周志龙;商莉;刘超;: "中高渗油藏二氧化碳/水交替注入室内试验研究", 内蒙古石油化工, no. 02 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115434684A (en) * | 2022-08-30 | 2022-12-06 | 中国石油大学(华东) | Air displacement device for fracturing oil shale |
| CN115434684B (en) * | 2022-08-30 | 2023-11-03 | 中国石油大学(华东) | Air displacement device for oil shale fracturing |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114909113B (en) | 2023-11-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN114909113A (en) | Movable water-gas alternative gas injection device for shale oil exploitation | |
| US4171349A (en) | Desulfurization process and installation for hydrocarbon reservoir fluids produced by wells | |
| CN213160706U (en) | High-efficient catalytic apparatus of petroleum hydrocarbon | |
| CN206146674U (en) | Soil sampling device for oil surveying | |
| CN110849672A (en) | Water sample collection device for reservoir or lake | |
| CN113503148A (en) | Gas conveying device for carbon dioxide flooding | |
| CN113513292B (en) | Foam conveying device for thin oil foam assisted oxygen reduction air drive | |
| CN113092231B (en) | Water sample collection pretreatment system | |
| CN108676621A (en) | A kind of automatical and efficient essential oil extraction equipment | |
| CN113479980A (en) | Electroplating industry effluent treatment equipment | |
| CN113522153A (en) | Carbon dioxide displacement of reservoir oil is with mixing conveying equipment | |
| CN218509459U (en) | Injection equipment for carbon dioxide flooding | |
| CN215855951U (en) | Device for removing sulfur-containing gas in raw coal bed gas | |
| CN213564488U (en) | Oil immersion device of pitch waterproofing membrane production usefulness | |
| CN112482174A (en) | Road surface asphalt gap filling device | |
| CN113124295A (en) | Movable oil field production metering device and use method thereof | |
| CN201902166U (en) | Multidimensional hydraulic drill carriage provided with floating rotation device | |
| CN218174767U (en) | Aeration equipment for treatment of oilfield produced water | |
| CN217872768U (en) | Quick and stable tracer adding device in fracturing process | |
| CN219840592U (en) | Multi-angle drilling machine | |
| CN220657528U (en) | Impurity treatment equipment | |
| CN213101914U (en) | Modified asphalt agitating unit | |
| CN216498732U (en) | Potential acid generation pressure reduction and injection increase equipment | |
| CN115199243B (en) | Water-gas alternate gas injection device for dense oil reservoir exploitation | |
| CN208603880U (en) | A kind of oil field development water injection well extraction sewage filter device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20231030 Address after: 434023 No. 1 South Ring Road, Jingzhou District, Hubei, Jingzhou Applicant after: Yangtze University Address before: 266580 No. 66 Changjiang West Road, Huangdao District, Qingdao, Shandong. Applicant before: CHINA University OF PETROLEUM (EAST CHINA) |
|
| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |