CN220226830U - Thickener stirring injection device for oil field production carbon dioxide flooding development - Google Patents
Thickener stirring injection device for oil field production carbon dioxide flooding development Download PDFInfo
- Publication number
- CN220226830U CN220226830U CN202321784657.2U CN202321784657U CN220226830U CN 220226830 U CN220226830 U CN 220226830U CN 202321784657 U CN202321784657 U CN 202321784657U CN 220226830 U CN220226830 U CN 220226830U
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- China
- Prior art keywords
- thickener
- pipeline
- stirring
- carbon dioxide
- shell
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- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 title claims abstract description 128
- 238000003756 stirring Methods 0.000 title claims abstract description 93
- 239000002562 thickening agent Substances 0.000 title claims abstract description 84
- 229910002092 carbon dioxide Inorganic materials 0.000 title claims abstract description 65
- 239000001569 carbon dioxide Substances 0.000 title claims abstract description 65
- 238000002347 injection Methods 0.000 title claims abstract description 24
- 239000007924 injection Substances 0.000 title claims abstract description 24
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 18
- 239000007788 liquid Substances 0.000 claims abstract description 10
- 238000006073 displacement reaction Methods 0.000 claims abstract description 7
- 238000007789 sealing Methods 0.000 claims abstract description 5
- 230000001105 regulatory effect Effects 0.000 claims description 11
- 238000010438 heat treatment Methods 0.000 claims description 8
- 239000003795 chemical substances by application Substances 0.000 claims 1
- 230000002349 favourable effect Effects 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 22
- 239000010779 crude oil Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
Classifications
-
- 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 utility model discloses a thickener stirring injection device for oil displacement development of carbon dioxide in oilfield production, which comprises a wellhead, a machine room, a thickener pipeline and a carbon dioxide pipeline, wherein the thickener pipeline and the carbon dioxide pipeline are connected with the wellhead, a stirring assembly is arranged between the thickener pipeline and the carbon dioxide pipeline in the machine room, the stirring assembly comprises a shell, an adjusting plate and a stirring barrel, the adjusting plate and the stirring barrel are arranged in the shell, the bottom of the thickener pipeline corresponds to the shell, a groove is formed in the shell, the adjusting plate is circularly arranged and is in rotary and sealing connection with the groove, a strip-shaped groove is formed in the bottom of the adjusting plate, and when the top of the adjusting plate corresponds to the groove, the adjusting plate seals the groove and the thickener pipeline and blocks liquid in the thickener pipeline from passing through. The utility model can stir the thickener in a split flow manner, adjusts the injection and delivery modes according to the use requirement, improves the working efficiency, has strong practicability, and is favorable for popularization and use in cooperation with carbon dioxide flooding in the oilfield development site.
Description
Technical Field
The utility model relates to the technical field of oil field development, in particular to a thickener stirring injection device for oil field production carbon dioxide flooding development.
Background
Carbon dioxide flooding is a technique of injecting carbon dioxide into an oil layer to improve oil recovery rate in an oil field. The carbon dioxide does not form a miscible phase upon initial contact with the formation crude oil, but under conditions of suitable pressure, temperature and crude oil composition, the carbon dioxide may form a miscible front. Supercritical fluids will extract heavier hydrocarbons from crude oil and continue to concentrate the gas displacing the front. Thus, the carbon dioxide and crude oil become miscible liquids, forming a single liquid phase, whereby the formation crude oil can be effectively displaced to the production well.
In the actual production process, carbon dioxide needs to be thickened to reduce the fluidity of the carbon dioxide, and the injection of a thickener is one of the most commonly used methods at present. However, there is no unified standard at present in how to scientifically, reasonably and efficiently inject the thickener, and in some special geographical environments or climatic environments, if carbon dioxide and the thickener are directly injected into a wellhead respectively, the problem of uneven injection may be caused, and the recovery ratio is affected. Therefore, the injection timing and the injection mode of the thickener under different environments are problems of optimization and improvement at present.
Disclosure of Invention
Aiming at the problems, the utility model provides a thickener stirring injection device for development of carbon dioxide flooding in oilfield production.
The technical scheme of the utility model is as follows:
the utility model provides a thickener stirring injection device for oil field production carbon dioxide drive oil development, includes well head, computer lab, with thickener pipeline and the carbon dioxide pipeline that the well head is connected, thickener pipeline and carbon dioxide pipeline set up side by side from top to bottom and all pass the computer lab is equipped with stirring subassembly between thickener pipeline and the carbon dioxide pipeline that are located inside the computer lab, stirring subassembly includes the casing, is located inside regulating plate and the agitator of casing, the casing top is connected with thickener pipeline bottom and thickener pipeline bottom inlays and establishes inside the casing, and thickener pipeline bottom corresponds inside the casing and is equipped with the fluting, the regulating plate be circular setting and with fluting rotation and sealing connection, the regulating plate bottom is equipped with the bar groove, regulating plate seal fluting and thickener pipeline and stop thickener pipeline inside liquid and pass through when the regulating plate top corresponds with the fluting.
Further, driving motor is arranged outside the rear side of the shell, the output end of the driving motor penetrates through the shell and then is connected with the center of the rear side of the adjusting plate, the driving motor is used for driving the adjusting plate to rotate, an auxiliary rotating rod is arranged on the front side of the adjusting plate, and the front end of the auxiliary rotating rod is rotationally connected with the inner wall of the front side of the shell.
Description: the thickener pipeline is sealed or opened by driving the rotation of the regulating plate through the driving motor.
Furthermore, the two sides of the shell are respectively provided with a fixed rod fixedly connected with the bottom of the machine room, and the driving motor is fixedly connected with one side wall of the machine room.
Description: the stirring assembly and the driving motor are kept stable through the fixing rod.
Still further, auxiliary rotating rod middle part is equipped with the gear, the gear with the tooth's socket meshing connection that the agitator outer wall was equipped with is used for driving the agitator to rotate, and agitator center department is equipped with the stirring dead lever, the stirring dead lever front end with casing front side inner wall rotates to be connected, and stirring dead lever periphery is equipped with a plurality of auxiliary stirring rod group and agitator inner wall fixed connection, and both ends all are equipped with the opening around the agitator, and the agitator wall is equipped with a plurality of through-holes.
Description: the stirring barrel is synchronously driven to rotate through the auxiliary rotating rod, namely, stirring of the thickener in the shell is completed through the stirring barrel.
Preferably, the auxiliary stirring rod groups are 3-5 groups which are arranged at equal intervals, and each auxiliary stirring rod group is provided with 3 auxiliary stirring rods at equal intervals in the circumferential direction.
Further, a heating plate is arranged at the bottom of the shell, corresponding to the upper part of the carbon dioxide pipeline, a flow guide pipe is arranged on the front side wall of the shell, and the flow guide pipe is connected with the carbon dioxide pipeline.
Description: carbon dioxide in the carbon dioxide pipeline can be heated through the heating plate, and the thickener in the stirring assembly can be synchronously heated.
Further, the top of the thickener pipeline is provided with an electromagnetic valve corresponding to the front side of the adjusting plate, and the tail ends of the thickener pipeline and the carbon dioxide pipeline are respectively provided with a liquid pump.
Description: the thickener and carbon dioxide are pumped separately by a liquid pump.
The beneficial effects of the utility model are as follows:
according to the thickener stirring injection device for oil field carbon dioxide flooding development, the stirring assembly is arranged between the thickener pipeline and the carbon dioxide pipeline, so that the thickener can be subjected to shunt stirring, and according to the use requirement, when the external temperature is higher, the thickener can be directly led to pass through and be directly injected into a wellhead, when the external temperature is lower, the flow speed of the thickener can be slowed down through the stirring assembly, heating and stirring are carried out, the device is compact in structure, the driving of the regulating plate and the stirring barrel can be completed through only one driving motor, the working efficiency is improved, the practicability is high, and the device is favorable for being popularized and used in cooperation with the carbon dioxide flooding of an oil field development site.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a thickener stirring injection device for oil field carbon dioxide flooding development;
FIG. 2 is a schematic diagram of a stirring assembly in a thickener stirring injection device for oil displacement development in oil field production of carbon dioxide;
FIG. 3 is a schematic diagram of the rear side structure of the inside of a shell in the thickener stirring injection device for oil displacement development in the production of carbon dioxide in an oil field;
FIG. 4 is a schematic diagram of the front side structure of the interior of a shell in the thickener stirring injection device for oil displacement development in the production of carbon dioxide in an oil field;
FIG. 5 is a schematic diagram of the position and structure of a groove at the bottom of a thickener pipeline and a solenoid valve in the thickener stirring injection device for oil displacement development of carbon dioxide in oil field production.
The device comprises a 1-wellhead, a 2-machine room, a 21-fixed rod, a 22-heating plate, a 3-thickener pipeline, a 31-slotting, a 4-carbon dioxide pipeline, a 5-stirring assembly, a 51-shell, a 52-adjusting plate, a 53-stirring barrel, a 54-bar-shaped slot, a 55-tooth slot, a 56-stirring fixed rod, a 57-through hole, a 58-flow guide pipe, a 59-electromagnetic valve, a 6-driving motor, a 7-auxiliary rotating rod, a 71-gear, an 8-auxiliary stirring rod and a 9-liquid pump.
Detailed Description
Example 1
As shown in fig. 1 and 3, the thickener stirring injection device for oil field production and carbon dioxide flooding development comprises a wellhead 1, a machine room 2, a thickener pipeline 3 and a carbon dioxide pipeline 4 which are connected with the wellhead 1, wherein the thickener pipeline 3 and the carbon dioxide pipeline 4 are arranged side by side up and down and all penetrate through the machine room 2, a stirring assembly 5 is arranged between the thickener pipeline 3 and the carbon dioxide pipeline 4 in the machine room 2, the stirring assembly 5 comprises a shell 51, an adjusting plate 52 and a stirring barrel 53 which are positioned in the shell 51, the top of the shell 51 is connected with the bottom of the thickener pipeline 3, the bottom of the thickener pipeline 3 is embedded in the shell 51, a slot 31 is arranged at the bottom of the thickener pipeline 3 corresponding to the shell 51, the adjusting plate 52 is circularly arranged and is in rotary and sealing connection with the slot 31, a strip-shaped groove 54 is arranged at the bottom of the adjusting plate 52, and the adjusting plate 52 seals the slot 31 and the thickener pipeline 3 when the top of the adjusting plate 52 corresponds to the slot 31 and blocks liquid in the thickener pipeline 3 from passing through;
as shown in fig. 3 to 5, a driving motor 6 is arranged outside the rear side of the shell 51, the driving motor 6 is a commercial driving motor, the output end of the driving motor 6 penetrates through the shell 51 and is connected with the center of the rear side of the adjusting plate 52 for driving the adjusting plate 52 to rotate, an auxiliary rotating rod 7 is arranged on the front side of the adjusting plate 52, the front end of the auxiliary rotating rod 7 is rotationally connected with the inner wall of the front side of the shell 51, two sides of the shell 51 are respectively provided with a fixed rod 21 fixedly connected with the bottom of the machine room 2, the driving motor 6 is fixedly connected with one side wall of the machine room 2, a gear 71 is arranged in the middle of the auxiliary rotating rod 7, the gear 71 is meshed with a tooth slot 55 arranged on the outer wall of the stirring barrel 53 and is used for driving the stirring barrel 53 to rotate, a stirring fixed rod 56 is arranged in the center of the stirring barrel 53, the front end of the stirring fixed rod 56 is rotationally connected with the inner wall of the front side of the shell 51, a plurality of auxiliary stirring rod groups are arranged on the periphery of the stirring fixed rod 56 and are fixedly connected with the inner wall of the stirring barrel 53, the auxiliary stirring rod groups are 4 groups which are arranged at equal intervals, 3 auxiliary stirring rod 8 are circumferentially equidistant, openings are respectively arranged at the front and rear ends of the stirring barrel 53, and the stirring barrel wall is provided with through holes 57;
as shown in fig. 1 and 2, a heating plate 22 is arranged at the bottom of the shell 51 corresponding to the upper part of the carbon dioxide pipeline 4, a flow guide pipe 58 is arranged on the front side wall of the shell 51, the flow guide pipe 58 is connected with the carbon dioxide pipeline 4, an electromagnetic valve 59 is arranged at the top of the thickener pipeline 3 corresponding to the front side of the adjusting plate 52, and liquid pumps 9 are arranged at the tail ends of the thickener pipeline 3 and the carbon dioxide pipeline 4.
Example 2
This embodiment differs from embodiment 1 in that:
the auxiliary stirring rod groups are arranged in different numbers, and the auxiliary stirring rod groups are 3 groups which are arranged at equal intervals.
Example 3
This embodiment differs from embodiment 1 in that:
the auxiliary stirring rod groups are arranged in different numbers, and the auxiliary stirring rod groups are 5 groups which are arranged at equal intervals.
Working principle:
the working principle of the thickener stirring injection device for oil displacement development in the production of carbon dioxide in oil fields is briefly described below.
When the thickener and carbon dioxide pump is used, if the thickener and carbon dioxide pump are in high-temperature weather, the thickener and carbon dioxide pump can be directly injected into a wellhead, at the moment, the driving motor 6 is started to drive the adjusting plate 52 to rotate, the strip-shaped groove 54 is positioned right above, the electromagnetic valve 59 is opened, the interior of the thickener pipeline 3 can be communicated, and the liquid pump 9 pumps the thickener to the wellhead 1;
if the flow of the thickener is blocked in low-temperature weather, the electromagnetic valve 59 is closed, and the flow direction of the thickener is changed, so that the thickener is mixed with carbon dioxide through the stirring assembly 5 and the flow guide pipe 58 and then injected into a wellhead through the carbon dioxide pipeline 4; at this time, the adjusting plate 52 is continuously rotated by the driving motor 6, the strip-shaped grooves 54 alternately pass through the grooves 31, the adjusting plate 52 alternately seals or opens the passage of the thickener pipeline 3, the intermittent lowering of the thickener is completed, the thickener falls into the shell 51 through the strip-shaped grooves 54, then enters the interior of the stirring barrel 53 through the through holes 57 of the stirring barrel 53 or freely flows in the interior of the shell 51, the auxiliary rotating rod 7 is driven to rotate along with the rotation of the adjusting plate 52, the gear 71 is driven to rotate, the stirring barrel 53 is driven to rotate under the meshing group with the tooth grooves 55, the stirring fixing rod 56 is kept stable in the stirring process, the auxiliary stirring rod 8 completes stirring of the thickener, then the flow guide pipe 58 below the stirring barrel 53 continuously enters the carbon dioxide pipeline 4, the flow guide pipe 58 or the carbon dioxide pipeline 4 can be provided with a valve to control the flow speed, the heating of the thickener and the carbon dioxide is completed under the action of the heating plate 22, the uniform mixing is ensured, and the next flow guide pipe is injected into the wellhead 1.
Claims (7)
1. The utility model provides a thickener stirring injection device for oil field production carbon dioxide drive development, its characterized in that, including well head (1), computer lab (2), with thickener pipeline (3) and carbon dioxide pipeline (4) that well head (1) are connected, thickener pipeline (3) and carbon dioxide pipeline (4) set up side by side from top to bottom and all pass computer lab (2), be equipped with stirring subassembly (5) between thickener pipeline (3) and carbon dioxide pipeline (4) that are located inside computer lab (2), stirring subassembly (5) include casing (51), be located regulating plate (52) and agitator (53) inside casing (51), casing (51) top is connected with thickener pipeline (3) bottom and thickener pipeline (3) bottom inlays to be established inside casing (51), thickener pipeline (3) bottom corresponds casing (51) inside and is equipped with fluting (31), regulating plate (52) be circular setting and with fluting (31) rotate and sealing connection, regulating plate (52) bottom is equipped with strip groove (54), and when regulating plate (52) top corresponds fluting (31) and sealing agent (3) and pass through thickener pipeline (3) inside.
2. The thickener stirring injection device for oil field production carbon dioxide flooding development according to claim 1, wherein a driving motor (6) is arranged outside the rear side of the shell (51), an output end of the driving motor (6) penetrates through the shell (51) and then is connected with the center of the rear side of the adjusting plate (52) for driving the adjusting plate (52) to rotate, an auxiliary rotating rod (7) is arranged on the front side of the adjusting plate (52), and the front end of the auxiliary rotating rod (7) is rotatably connected with the inner wall of the front side of the shell (51).
3. The thickener stirring and injecting device for oil field carbon dioxide flooding development according to claim 2, wherein a fixing rod (21) fixedly connected with the bottom of the machine room (2) is arranged on two sides of the shell (51), and the driving motor (6) is fixedly connected with one side wall of the machine room (2).
4. The thickener stirring injection device for oil field production carbon dioxide flooding development according to claim 2, characterized in that a gear (71) is arranged in the middle of the auxiliary rotating rod (7), the gear (71) is meshed with a tooth slot (55) arranged on the outer wall of the stirring barrel (53) and used for driving the stirring barrel (53) to rotate, a stirring fixing rod (56) is arranged at the center of the stirring barrel (53), the front end of the stirring fixing rod (56) is rotationally connected with the inner wall of the front side of the shell (51), a plurality of auxiliary stirring rod groups are arranged on the periphery of the stirring fixing rod (56) and fixedly connected with the inner wall of the stirring barrel (53), openings are formed in the front end and the rear end of the stirring barrel (53), and a plurality of through holes (57) are formed in the barrel wall of the stirring barrel (53).
5. The thickener stirring and injecting device for oil field carbon dioxide flooding development according to claim 4, wherein the auxiliary stirring rod groups are 3-5 groups which are arranged at equal intervals, and each auxiliary stirring rod group is provided with 3 auxiliary stirring rods (8) at equal intervals in the circumferential direction.
6. The thickener stirring injection device for oil field production, carbon dioxide displacement and development according to claim 1, wherein a heating plate (22) is arranged at the bottom of the shell (51) and corresponds to the upper part of the carbon dioxide pipeline (4), a flow guide pipe (58) is arranged on the front side wall of the shell (51), and the flow guide pipe (58) is connected with the carbon dioxide pipeline (4).
7. The thickener stirring injection device for oil field carbon dioxide flooding development according to claim 1 is characterized in that an electromagnetic valve (59) is arranged at the top of the thickener pipeline (3) corresponding to the front side of the adjusting plate (52), and liquid pumps (9) are arranged at the tail ends of the thickener pipeline (3) and the carbon dioxide pipeline (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321784657.2U CN220226830U (en) | 2023-07-07 | 2023-07-07 | Thickener stirring injection device for oil field production carbon dioxide flooding development |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321784657.2U CN220226830U (en) | 2023-07-07 | 2023-07-07 | Thickener stirring injection device for oil field production carbon dioxide flooding development |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220226830U true CN220226830U (en) | 2023-12-22 |
Family
ID=89189427
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321784657.2U Active CN220226830U (en) | 2023-07-07 | 2023-07-07 | Thickener stirring injection device for oil field production carbon dioxide flooding development |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220226830U (en) |
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2023
- 2023-07-07 CN CN202321784657.2U patent/CN220226830U/en active Active
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