CN213760741U - Oil field water injection wellhead assembly - Google Patents
Oil field water injection wellhead assembly Download PDFInfo
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- CN213760741U CN213760741U CN202022587353.XU CN202022587353U CN213760741U CN 213760741 U CN213760741 U CN 213760741U CN 202022587353 U CN202022587353 U CN 202022587353U CN 213760741 U CN213760741 U CN 213760741U
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Abstract
An oil field water injection wellhead device comprises a filter tank, wherein a water inlet of the filter tank is provided with an anti-backflow assembly, the anti-backflow assembly comprises a water inlet pipe, a plugging plate, a plurality of connecting columns and a limiting ring, a filter cartridge, a mounting ring and a cleaning assembly are arranged inside the filter tank, a fixing plate is arranged above the filter cartridge, a plurality of water through holes are formed in the fixing plate, the cleaning assembly comprises a rotating shaft, a plurality of connecting rods and two cleaning plates, a supporting assembly is arranged at the bottom of the filter tank and comprises a base, a plurality of supporting legs, a plurality of fixing rods and a fixing seat, when water in a water injection well flows backwards, the anti-backflow assembly seals the water inlet of the filter tank under the impact of the water flow to enable the water flow to be incapable of flowing, the cleaning assembly can clean the inner wall of the filter cartridge, and the fixing plate can disperse the impact of the water flow, avoid the cartridge filter to damage, the supporting component can be with fixing firmly on ground of crossing the jar.
Description
Technical Field
The utility model relates to a water injection well equipment technical field specifically is an oil field water injection wellhead assembly.
Background
Before the onshore oil field is exploited, the oil in the reservoir is in a high-temperature high-pressure relatively static state, the pressure of the reservoir is bound to be reduced along with the exploitation of the oil, so that the oil yield is reduced, in order to maintain the pressure of the reservoir, the required water is injected into the reservoir to maintain the reservoir pressure in the oil exploitation process, and simultaneously the oil extraction rate of an oil layer can be improved, purified water with high pressure is selected in the water injection process, water at a water source is metered, filtered, buffered and settled by a water injection station and then is sent into a water injection wellhead by a pipeline, but the purified water is conveyed for a long time and is inevitably mixed with impurities and needs to be filtered, the filtering device needs to be cleaned after being used for a period of time, the existing filtering device needs to be taken out after being disassembled, a filter element is taken out for cleaning, the problem is not only troublesome, but also the time is consumed, the filtering device is located outdoors, the outdoor weather is severe, and sometimes meets the weather, the filter device is only arranged on the ground, has no enough protection measures and is easy to blow down, and if the pressure in the reservoir changes, the water injection well mouth is easy to have the backflow phenomenon, and in severe cases, oil can be sprayed out from the water injection well mouth.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an oil field water injection well head device to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
an oil field water injection wellhead device comprises a filter tank, wherein a water inlet of the filter tank is provided with an anti-backflow assembly, the anti-backflow assembly comprises a water inlet pipe, a plugging plate, a plurality of connecting columns, a first limiting ring and a second limiting ring, the second limiting ring is arranged inside the water inlet pipe, one end of each connecting column is connected with the plugging plate, the other end of each connecting column passes through the second limiting ring to be connected with the first limiting ring, the plugging plate is arranged on one side, close to the filter tank, of the second limiting ring, the first limiting ring is arranged on the other side of the second limiting ring, the water inlet pipe is connected with the water inlet of the filter tank, a filter cartridge, a mounting ring and a cleaning assembly are arranged inside the filter tank, the top end of the filter cartridge is arranged in the middle of the mounting ring, the top end of the filter cartridge is provided with a fixing ring, a fixing plate is arranged above the fixing ring, the cleaning assembly comprises a rotating shaft, a plurality of connecting rods and two cleaning plates, one end of each connecting rod is connected with the rotating shaft, the other end of each connecting rod is connected with the cleaning plates, a tank cover is arranged at the top of the filtering tank, the tank cover and the filtering tank are connected through flanges, a driving motor is arranged on the tank cover, one end of the rotating shaft penetrates through the fixed plate and is connected with a motor shaft of the driving motor through the tank cover, a fixed column is arranged at the bottom of the tank cover, a fixed groove is formed in the upper surface of the fixed plate, the top end of the fixed column is fixedly connected with the tank cover, the bottom end of the fixed column is arranged in the fixed groove, a sewage discharge assembly is arranged at the bottom of the filtering tank and comprises a sewage discharge pipe and a fixed sleeve, a fixed ring is arranged at the top end of the sewage discharge pipe and is arranged on the outer side of the filter cartridge, and a fixed hole is formed in the bottom of the filter cartridge, the bottom of crossing the filter tank is passed on the top of blow off pipe, and this end setting is in the fixed orifices, the top threaded connection of fixed sleeve and blow off pipe, the bottom of crossing the filter tank is provided with supporting component, supporting component includes base, a plurality of supporting leg, a plurality of dead lever and fixing base, the one end and the base of supporting leg are connected, the other end and the filter tank of supporting leg are connected, the bottom and the fixing base fixed connection of dead lever, the base setting is passed on the top of dead lever, the top of dead lever is provided with the nut, nut and dead lever top threaded connection.
As a further aspect of the present invention: the top of blow off pipe is provided with the sealing washer, the sealing washer sets up between fixed sleeve pipe and the cartridge filter.
As a further aspect of the present invention: the supporting legs are connected with the base or the filtering tank in a welding mode.
As a further aspect of the present invention: the fixing ring is provided with a rubber ring.
As a further aspect of the present invention: the top of cover is provided with the safety cover, safety cover and cover pass through bolted connection.
As a further aspect of the present invention: the water outlets of the water inlet pipe, the sewage draining pipe and the filtering tank are all provided with valves.
As a further aspect of the present invention: one side of the cleaning plate close to the filter cartridge is provided with a brush.
Compared with the prior art, the utility model has the advantages of:
the utility model discloses in, through the shutoff board, the spliced pole, first spacing ring and second spacing ring, can be in the water backward flow in the water injection well, plug up the water inlet of filter tank, make the unable backward flow of water in the water injection well, driving motor drives the pivot, make the clearance board rotate, can come down with the impurity clearance on the cartridge filter inner wall, after closing the inlet tube, the water backward flow in the water injection well, can wash down impurity on the cartridge filter section of thick bamboo wall, then discharge from the blow off pipe, make the cartridge filter keep clean, can use for a long time, and need not change the cartridge filter, the fixing base is buried underground, connect through fixed column and base, meet strong wind weather, can avoid filter tank to be blown down by the wind, make the stability more of filter tank, only need dig a hole on ground during the fixed time, after putting into the fixing base in the hole, fill the hole again, can recycle.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the cross-sectional structure of the filtering tank, the protecting cover, a part of the sewage draining pipe and a part of the water inlet pipe;
FIG. 3 is an enlarged view of a portion of A in FIG. 2;
FIG. 4 is a schematic cross-sectional view of the backflow prevention assembly of the present invention;
fig. 5 is a schematic structural diagram of the middle fixing plate of the present invention.
In the figure: 1. a filter tank; 2. a water inlet pipe; 3. a plugging plate; 4. connecting columns; 5. a first limit ring; 6. a second stop collar; 7. a filter cartridge; 8. a mounting ring; 9. a fixing ring; 10. a fixing plate; 11. water passing holes; 12. a rotating shaft; 13. a connecting rod; 14. cleaning the plate; 15. a can lid; 16. a drive motor; 17. fixing a column; 18. fixing grooves; 19. a blow-off pipe; 20. fixing the sleeve; 21. a stationary ring; 22. a fixing hole; 23. a base; 24. supporting legs; 25. fixing the rod; 26. a fixed seat; 27. a nut; 28. a seal ring; 29. a rubber ring; 30. a protective cover; 31. a valve; 32. and a brush.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 to 5, in the embodiment of the present invention:
an oil field water injection wellhead device comprises a filter tank 1, wherein a water inlet of the filter tank 1 is provided with an anti-backflow assembly, the anti-backflow assembly comprises a water inlet pipe 2, a plugging plate 3, a plurality of connecting columns 4, a first limiting ring 5 and a second limiting ring 6, the second limiting ring 6 is arranged inside the water inlet pipe 2, one end of each connecting column 4 is connected with the plugging plate 3, the other end of each connecting column 4 passes through the second limiting ring 6 to be connected with the first limiting ring 5, the plugging plate 3 is arranged on one side, close to the filter tank 1, of the second limiting ring 6, the first limiting ring 5 is arranged on the other side of the second limiting ring 6, the water inlet pipe 2 is connected with the water inlet of the filter tank 1, a filter cylinder 7, a mounting ring 8 and a cleaning assembly are arranged inside the filter tank 1, the top end of the filter cylinder 7 is arranged in the middle of the mounting ring 8, the top end of the filter cartridge 7 is provided with a fixing ring 9, a fixing plate 10 is arranged above the fixing ring 9, a water through hole 11 is arranged on the fixing plate 10, the cleaning assembly comprises a rotating shaft 12, a plurality of connecting rods 13 and two cleaning plates 14, one end of each connecting rod 13 is connected with the rotating shaft 12, the other end of each connecting rod is connected with the corresponding cleaning plate 14, a tank cover 15 is arranged at the top of the filter tank 1, the tank cover 15 and the filter tank 1 are connected through flanges, a driving motor 16 is arranged on the tank cover 15, one end of each rotating shaft 12 penetrates through the fixing plate 10 and the motor shaft of the corresponding tank cover 15 and the driving motor 16, a fixing column 17 is arranged at the bottom of the tank cover 15, a fixing groove 18 is arranged on the upper surface of the fixing plate 10, the top end of the fixing column 17 is fixedly connected with the tank cover 15, the bottom end, the sewage discharge assembly comprises a sewage discharge pipe 19 and a fixed sleeve 20, the top end of the sewage discharge pipe 19 is provided with a fixed ring 21, the fixed ring 21 is arranged at the outer side of the filter cylinder 7, the bottom of the filter cylinder 7 is provided with a fixed hole 22, the top end of the sewage discharge pipe 19 penetrates through the bottom of the filter tank 1, the fixed ring 21 is arranged in the fixed hole 22, the fixed sleeve 20 is in threaded connection with the top end of the sewage discharge pipe 19, the bottom of the filter tank 1 is provided with a support assembly, the support assembly comprises a base 23, a plurality of support legs 24, a plurality of fixed rods 25 and a fixed base 26, one end of each support leg 24 is connected with the base 23, the other end of each support leg 24 is connected with the filter tank 1, the bottom end of each fixed rod 25 is fixedly connected with the fixed base 26, the top end of each fixed rod 25 penetrates through the base 23, and the top end of each fixed rod 25 is provided with a nut 27, the nut 27 is screwed with the top end of the fixing rod 25.
In the embodiment of the present invention: the top end of the sewage draining pipe 19 is provided with a sealing ring 28, and the sealing ring 28 is arranged between the fixing sleeve 20 and the filter cylinder 7. The sealing ring 28 can seal the gap between the fixing sleeve 20 and the filter cartridge 7, preventing unfiltered water from leaving the filter cartridge 7 through the gap between the fixing sleeve and the filter cartridge 7.
In the embodiment of the present invention: the supporting legs 24 are connected with the base 23 or the filter tank 1 in a welding mode.
In the embodiment of the present invention: the fixing ring 9 is provided with a rubber ring 29. Rubber ring 29 has certain elasticity, can deform, when fixed plate 10 is fixed to fixed column 17, can be fixed better with fixed plate 10.
In the embodiment of the present invention: the top of the can lid 15 is provided with a protective cover 30, and the protective cover 30 and the can lid 15 are connected by bolts. The protective cover 30 can protect the driving motor 16 from wind and rain.
In the embodiment of the present invention: the water outlets of the water inlet pipe 2, the sewage draining pipe 19 and the filter tank 1 are all provided with valves 31, and the valves 31 can control the flow direction of water flow.
In the embodiment of the present invention: the side of the cleaning plate 14 close to the filter cartridge 7 is provided with a brush 32. The brushes 32 allow the cleaning plate 14 to be cleaned more cleanly.
The utility model discloses a theory of operation is: when the filter is used, the fixing seat 26 is buried underground, then the fixing rod 25 penetrates through the base 23, the nut 27 is screwed on the top end of the fixing rod 25 for fixing, the water inlet pipe 2 is connected with the water delivery pipe, the water outlet of the filter tank 1 is connected with the water injection well through the water delivery pipe, the blow-off pipe 19 is connected with the place for treating sewage through a pipeline, high-pressure water flow enters the filter tank 1 from the water inlet pipe 2, at the moment, the valve 31 on the water inlet pipe 2 and the water outlet of the filter tank 1 is opened, the valve 31 on the blow-off pipe 19 is closed, the water flow impacts the blocking plate 3, so that the blocking plate 3 is far away from the water inlet of the filter tank 1, the water flow smoothly enters the filter tank 1, then the water flow enters the filter tank 7 from the water through the water holes 11 on the fixing plate 10, then the water flow leaves the filter tank 7 from the wall of the filter tank 7 and leaves the filter tank 1 from the water outlet of the filter tank 1, after the filter tank 1 is used for a period, when a plurality of impurities exist on the inner wall of the filter cartridge 7, the driving motor 16 is started, the driving motor 16 drives the rotating shaft 12 to rotate, then the rotating shaft 12 drives the cleaning plate 14 to rotate through the connecting rod 13, the brush 32 on the cleaning plate 14 cleans the impurities on the inner wall of the filter cartridge 7, when the driving motor 16 is started, the valve 31 on the water inlet pipe 2 is closed, the valve 31 on the drain pipe 19 is opened, at this time, because the high pressure of the oil field reservoir can spray the water flow in the injection well to enable the water flow to flow back into the filter tank 1, then the water flow passes through the wall of the filter cartridge 7 from the filter tank 1 to flush the impurities down, the sewage can flow out from the drain pipe 19, because the high pressure water flow sprayed by the injection well is used for cleaning, the cleaning time is short, the valve 31 on the drain pipe 19 is closed after the filter cartridge 7 is cleaned, the valve 31 on the water inlet pipe 2 is opened at the same time, the high pressure water flow entering the water inlet pipe 2 enables the water flowing back in the injection well to reenter, the driving motor 16 will stop working to protect the filter cartridge 7, the filter cartridge 7 can only filter on the side wall and can not filter on the bottom, if the reservoir pressure of the oil field is too high, the water in the water injection well flows back, the water flow enters the filter tank 1 from the water injection well, the water flow flows to the water inlet of the filter tank 1, then the water flow impacts the plugging plate 3, the plugging plate 3 is pushed to the second limiting ring 6 to seal the second limiting ring, so that the water flow can not leave the filter tank 1, if the filter cartridge 7 is to be replaced, the tank cover 15 is removed, the rotating shaft 12, the connecting rod 13 connected with the rotating shaft 12 and the cleaning plate 14 are taken out, the fixing plate 10 is taken out again, then the fixing sleeve 20 is removed, the filter cartridge 7 can be taken out, then a new filter cartridge 7 is replaced, the filter cartridges 7 can be installed in the reverse order, although the replacement of the filter cartridge 7 is troublesome, but each time the replacement of the filter cartridge 7 can not be replaced until the filter cartridge 7 can be used, the replacement cycle is long, and it is also acceptable that the filter cartridge 7 is troublesome to replace.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (7)
1. The utility model provides an oil field water injection wellhead assembly, is including filtering jar (1), its characterized in that: the water inlet of the filtering tank (1) is provided with an anti-backflow assembly, the anti-backflow assembly comprises a water inlet pipe (2), a blocking plate (3), a plurality of connecting columns (4), a first limiting ring (5) and a second limiting ring (6), the second limiting ring (6) is arranged inside the water inlet pipe (2), one end of each connecting column (4) is connected with the blocking plate (3), the other end of each connecting column (4) penetrates through the second limiting ring (6) to be connected with the first limiting ring (5), the blocking plate (3) is arranged on one side, close to the filtering tank (1), of the second limiting ring (6), the first limiting ring (5) is arranged on the other side of the second limiting ring (6), the water inlet pipe (2) is connected with the water inlet of the filtering tank (1), a filter cylinder (7), a mounting ring (8) and a cleaning assembly are arranged inside the filtering tank (1), the top end of the filter cartridge (7) is arranged in the middle of the mounting ring (8), the top end of the filter cartridge (7) is provided with a fixing ring (9), a fixing plate (10) is arranged above the fixing ring (9), a water passing hole (11) is formed in the fixing plate (10), the cleaning assembly comprises a rotating shaft (12), a plurality of connecting rods (13) and two cleaning plates (14), one end of each connecting rod (13) is connected with the rotating shaft (12), the other end of each connecting rod is connected with the cleaning plate (14), a tank cover (15) is arranged at the top of the filter tank (1), the tank cover (15) and the filter tank (1) are connected through flanges, a driving motor (16) is arranged on the tank cover (15), one end of the rotating shaft (12) penetrates through the fixing plate (10) and the motor shaft of the tank cover (15) and the driving motor (16), and a fixing column (17) is arranged at the bottom of the tank cover (15), the upper surface of fixed plate (10) is provided with fixed slot (18), the top and cover (15) fixed connection of fixed column (17), the bottom setting of fixed column (17) is in fixed slot (18), the bottom of crossing jar (1) is provided with blowdown subassembly, blowdown subassembly includes blow off pipe (19) and fixed sleeve (20), the top of blow off pipe (19) is provided with retainer plate (21), retainer plate (21) set up the outside at cartridge filter (7), the bottom of cartridge filter (7) is provided with fixed orifices (22), the bottom of crossing jar (1) is passed on the top of blow off pipe (19), and this end setting is in fixed orifices (22), the top threaded connection of fixed sleeve (20) and blow off pipe (19), the bottom of crossing jar (1) is provided with supporting component, supporting component includes base (23), fixed slot (18), the bottom of fixed column (17) and cover (15) fixed connection, the bottom of blow off pipe (7) is provided with fixed orifices (22), supporting component, A plurality of supporting leg (24), a plurality of dead lever (25) and fixing base (26), the one end and base (23) of supporting leg (24) are connected, the other end and the filtration jar (1) of supporting leg (24) are connected, the bottom and fixing base (26) fixed connection of dead lever (25), base (23) setting is passed on the top of dead lever (25), the top of dead lever (25) is provided with nut (27), nut (27) and dead lever (25) top threaded connection.
2. The oilfield water flooding wellhead assembly of claim 1, wherein: the top end of the sewage draining pipe (19) is provided with a sealing ring (28), and the sealing ring (28) is arranged between the fixed sleeve (20) and the filter cylinder (7).
3. The oilfield water flooding wellhead assembly of claim 1, wherein: the supporting legs (24) are connected with the base (23) or the filtering tank (1) in a welding mode.
4. The oilfield water flooding wellhead assembly of claim 1, wherein: the fixing ring (9) is provided with a rubber ring (29).
5. The oilfield water flooding wellhead assembly of claim 1, wherein: the top of cover (15) is provided with safety cover (30), safety cover (30) and cover (15) pass through bolted connection.
6. The oilfield water flooding wellhead assembly of claim 1, wherein: the water outlets of the water inlet pipe (2), the sewage draining pipe (19) and the filtering tank (1) are all provided with valves (31).
7. The oilfield water flooding wellhead assembly of claim 1, wherein: one side of the cleaning plate (14) close to the filter cartridge (7) is provided with a brush (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022587353.XU CN213760741U (en) | 2020-11-10 | 2020-11-10 | Oil field water injection wellhead assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022587353.XU CN213760741U (en) | 2020-11-10 | 2020-11-10 | Oil field water injection wellhead assembly |
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| Publication Number | Publication Date |
|---|---|
| CN213760741U true CN213760741U (en) | 2021-07-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022587353.XU Active CN213760741U (en) | 2020-11-10 | 2020-11-10 | Oil field water injection wellhead assembly |
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| CN (1) | CN213760741U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114876427A (en) * | 2022-04-22 | 2022-08-09 | 龙沃科技开发有限公司 | Wax control scale control water injection manifold that integrates and have filter and valves |
-
2020
- 2020-11-10 CN CN202022587353.XU patent/CN213760741U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114876427A (en) * | 2022-04-22 | 2022-08-09 | 龙沃科技开发有限公司 | Wax control scale control water injection manifold that integrates and have filter and valves |
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