CN204252952U - Flushing fluid recycling device in a kind of well - Google Patents
Flushing fluid recycling device in a kind of well Download PDFInfo
- Publication number
- CN204252952U CN204252952U CN201420725544.XU CN201420725544U CN204252952U CN 204252952 U CN204252952 U CN 204252952U CN 201420725544 U CN201420725544 U CN 201420725544U CN 204252952 U CN204252952 U CN 204252952U
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- China
- Prior art keywords
- filter
- casing
- water
- well
- overflow baffle
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- Expired - Fee Related
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Abstract
The utility model relates to oilfield downhole operation device, particularly flushing fluid recycling device in a kind of well, comprises Rose Box, water pump and three-way filtering device; Described Rose Box comprises casing, top board, well water inlet tube, Rose Box outlet pipe, dirt cleaning groove, filter, overflow baffle, electromagnet and electromagnet controller; Described overflow baffle is fixedly connected in casing, the inner space of casing is divided into two water spaces that top is communicated with; The below of described well water inlet tube is positioned at the water space on the left of overflow baffle, and the below of Rose Box outlet pipe is positioned at the water space on the right side of overflow baffle; Described dirt cleaning groove is U-lag, and dirt cleaning groove is positioned over bottom the water space in casing on the left of overflow baffle; Described filter is arranged between the overflow baffle of box house and Rose Box outlet pipe; Described electromagnet is fixedly connected on the bottom of casing, and is positioned at immediately below dirt cleaning groove.
Description
Technical field
The utility model relates to oilfield downhole operation device, particularly flushing fluid recycling device in a kind of well.
Background technology
In every construction of oil and gas exploration and development, workover treatment is an important step.Oil gas water well is in blowing, oil pumping or water filling gas injection process, serious wax deposition in husky stifled, pit shaft to be there is under oil well at any time, salt crust, oil layer blocking, infiltration reduction, oil-gas-water layer are ganged up mutually, produce the fault of the oil wells such as oil reservoir is exhausted itself, thus after operation a period of time, just need to carry out clean-out service to oil well, the foreign material such as the silt particle in pit shaft, exactly by water is injected pit shaft, are developed by water injection pressure by the process of well-flushing; In order to reduce costs, the flushing fluid injected in general well mostly adopts the sewage of sewage plant, the particle of become rusty containing some in sewage iron chips and some erosions, and these easily cause bottom in well to pollute and blocking bottom in washing well process.
Utility model content
Technical problem to be solved in the utility model is to provide flushing fluid recycling device in a kind of well, it can inject pit shaft well-flushing by after the sewage water filtration process of sewage plant, and continues after collecting filtration after flushing fluid can being recoiled out to carry out clean-out service in Injection Well cylinder.
For solving the problems of the technologies described above, the utility model realizes as follows: in a kind of well described in the utility model, flushing fluid recycling device comprises Rose Box, water pump and three-way filtering device; Described Rose Box comprises casing, top board, well water inlet tube, Rose Box outlet pipe, dirt cleaning groove, filter, overflow baffle, electromagnet and electromagnet controller; Described overflow baffle is fixedly connected in casing, the inner space of casing is divided into two water spaces that top is communicated with; The below of described well water inlet tube is positioned at the water space on the left of overflow baffle, and the below of Rose Box outlet pipe is positioned at the water space on the right side of overflow baffle; Described dirt cleaning groove is U-lag, and dirt cleaning groove is positioned over bottom the water space in casing on the left of overflow baffle; Described filter is arranged between the overflow baffle of box house and Rose Box outlet pipe; Described electromagnet is fixedly connected on the bottom of casing, and is positioned at immediately below dirt cleaning groove.
The end of described well water inlet tube and Rose Box outlet pipe is positioned at the top of top board, the adpting flange that well water inlet tube is arranged is connected with well water return line, the adpting flange that the end of described Rose Box outlet pipe is arranged is connected by pipeline with the water inlet of water pump, and the delivery port of water pump is connected by pipeline with the flushing fluid entrance of three-way filtering device; After the filter of described three-way filtering device, water out is fixedly connected with wellhead casing pipe.
Sewage draining exit a is provided with, sewage draining exit a and ft connection bottom water space on the left of overflow baffle in described casing; Filter in described casing and the position between overflow baffle are provided with sewage draining exit b.
After the filter of described three-way filtering device, water exit port position place is provided with cylindrical filter net, circumference and the bottom of cylindrical filter net are provided with filter bores, the end of cylindrical filter net is provided with annular and connects boss, and annular connects boss and is fixedly connected with the adpting flange that water out place after the filter of three-way filtering device is arranged; The sewage backflow mouth of described three-way filtering device is connected by pipeline with well water inlet tube, and sewage backflow mouth place is provided with pressure meter.
The two sides of described dirt cleaning groove are provided with cleaning groove buckle.
Described top board is provided with mounting groove, and the cross section of described filter is T-shaped, and the plate face of filter is provided with filter bores; Box house is inserted by mounting groove in the plate face of described filter, is abutted against bottom filter with the bottom surface of case intracorporeal space, and the top of filter is provided with fixing transverse slat, is fixedly connected with by filter by fixing transverse slat with top board.
The top of described top board and casing is fixed.
The sewage backflow mouth position of described three-way filtering device is provided with switch valve.
Good effect of the present utility model: in a kind of well described in the utility model, flushing fluid recycling device is injected into well by the sewage transported by sewage plant and carries out clean-out service after filtration treatment, flushing fluid after well-flushing can be introduced after filter box filters and continue to use, and has saved water supply volume; Metal fragment in sewage can be drawn onto dirt cleaning groove by arranging electromagnet, eliminate the metal sundries in sewage; Through the overflow effect of overflow baffle, can the particle of part be blocked in the water space on the left of overflow baffle; Sewage injects into well and carries out clean-out service after the cylindrical filter net two-stage fine filtering through filter and three-way filtering device inside; Multistage filtering completely avoid bottom in well and pollutes and blocking bottom, and structure is simple, practical, is adapted at each operation team in oil field and extensively promotes.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Fig. 1 is schematic diagram of the present utility model
Fig. 2 is the cross-sectional view of three-way filtering device
Fig. 3 is the decomposition texture schematic diagram of Rose Box
In figure,
1, Rose Box, 2, well water inlet tube, 3, well water return line, 4, water pump, 5, three-way filtering device,
6, pressure meter, 7, wellhead casing pipe, 8, Rose Box outlet pipe, 9, filter, 10, overflow baffle,
11, dirt cleaning groove, 12, electromagnet, 13, sewage draining exit a, 14, flushing fluid entrance,
15, sewage backflow mouth, 16, water out after filter, 17, cylindrical filter net, 18, fixing transverse slat,
19, mounting groove, 20, top board, 21, cleaning groove buckles, 22, casing, 23, sewage draining exit b.
Detailed description of the invention
As shown in Figure 1 to Figure 3, in a kind of well described in the utility model, flushing fluid recycling device comprises Rose Box (1), water pump (4) and three-way filtering device (5); Described Rose Box (1) comprises casing (22), top board (20), well water inlet tube (2), Rose Box outlet pipe (8), dirt cleaning groove (11), filter (9), overflow baffle (10), electromagnet (12) and electromagnet controller; Described overflow baffle (10) is fixedly connected in casing (22), the inner space of casing (22) is divided into two water spaces that top is communicated with; The below of described well water inlet tube (2) is positioned at the water space in overflow baffle (10) left side, and the below of Rose Box outlet pipe (8) is positioned at the water space on overflow baffle (10) right side; Described dirt cleaning groove (11) is U-lag, and dirt cleaning groove (11) is positioned over bottom the water space in casing (22) interior overflow baffle (10) left side; Described filter (9) is arranged between the inner overflow baffle (10) of casing (22) and Rose Box outlet pipe (8); Described electromagnet (12) is fixedly connected on the bottom of casing (22), and is positioned at immediately below dirt cleaning groove (11).
The end of described well water inlet tube (2) and Rose Box outlet pipe (8) is positioned at the top of top board (20), the adpting flange that well water inlet tube (2) is arranged is connected with well water return line (3), the adpting flange that the end of described Rose Box outlet pipe (8) is arranged is connected by pipeline with the water inlet of water pump (4), and the delivery port of water pump (4) is connected by pipeline with the flushing fluid entrance (14) of three-way filtering device (5); After the filter of described three-way filtering device (5), water out (16) is fixedly connected with wellhead casing pipe (7).
Sewage draining exit a (13) is provided with, sewage draining exit a (13) and ft connection bottom the water space in overflow baffle (10) left side in described casing (22); Filter (9) in described casing (22) and the position between overflow baffle (10) are provided with sewage draining exit b (23).
After the filter of described three-way filtering device (5), water out (16) position is provided with cylindrical filter net (17), circumference and the bottom of cylindrical filter net (17) are provided with filter bores, the end of cylindrical filter net (17) is provided with annular and connects boss, and annular connects boss and is fixedly connected with the adpting flange that water out (16) place after the filter of three-way filtering device (5) is arranged; The sewage backflow mouth (15) of described three-way filtering device (5) is connected by pipeline with well water inlet tube (2), and sewage backflow mouth (15) place is provided with pressure meter (6).
The two sides of described dirt cleaning groove (11) are provided with cleaning groove to buckle (21).
Described top board (20) is provided with mounting groove (19), the cross section of described filter (9) is T-shaped, and the plate face of filter (9) is provided with filter bores; Casing (22) inside is inserted by mounting groove (19) in the plate face of described filter (9), filter (9) bottom is abutted against with the bottom surface in casing (22) interior space, the top of filter (9) is provided with fixing transverse slat (18), is fixedly connected with by filter (9) by fixing transverse slat (18) with top board (20).
Described top board (20) is fixed with the top of casing (22), and sewage backflow mouth (15) position of described three-way filtering device (5) is provided with switch valve.
The course of work of the present utility model is:
In a kind of well described in the utility model, first sewage pass in Rose Box by flushing fluid recycling device, and through electromagnet effect, the metal fragment in sewage is drawn onto in dirt cleaning groove; Sewage through the overflow effect of overflow baffle, can by part particle be blocked in the water space on the left of overflow baffle, when dirt-collecting in the water space on the left of overflow baffle to a certain extent after, sewage can be discharged by sewage draining exit a; Open top board, remove the suction of electromagnet by electromagnet controller, then dirt cleared up groove by hook and be pulled to casing and outward, metal fragment cleared up; Sewage by after overflow baffle, then through filter, completes first time fine filtering operation; By water pump effect, sewage transport in the water space on the right side of filter to three-way filtering device is carried out the operation of second time fine filtering, finally inject wellhead casing pipe and carry out clean-out service; In whole clean-out service, the switch valve of the sewage backflow mouth position of three-way filtering device is in closed condition, when being monitored overpressure by pressure meter and being excessive, can open switch valve, complete the backsurging operation of cylindrical filter net, backwash can complete the automatically cleaning of cylindrical filter net.
Claims (8)
1. a flushing fluid recycling device in well, is characterized in that: comprise Rose Box, water pump and three-way filtering device; Described Rose Box comprises casing, top board, well water inlet tube, Rose Box outlet pipe, dirt cleaning groove, filter, overflow baffle, electromagnet and electromagnet controller; Described overflow baffle is fixedly connected in casing, the inner space of casing is divided into two water spaces that top is communicated with; The below of described well water inlet tube is positioned at the water space on the left of overflow baffle, and the below of Rose Box outlet pipe is positioned at the water space on the right side of overflow baffle; Described dirt cleaning groove is U-lag, and dirt cleaning groove is positioned over bottom the water space in casing on the left of overflow baffle; Described filter is arranged between the overflow baffle of box house and Rose Box outlet pipe; Described electromagnet is fixedly connected on the bottom of casing, and is positioned at immediately below dirt cleaning groove.
2. flushing fluid recycling device in a kind of well according to claim 1, it is characterized in that: the end of described well water inlet tube and Rose Box outlet pipe is positioned at the top of top board, the adpting flange that well water inlet tube is arranged is connected with well water return line, the adpting flange that the end of described Rose Box outlet pipe is arranged is connected by pipeline with the water inlet of water pump, and the delivery port of water pump is connected by pipeline with the flushing fluid entrance of three-way filtering device; After the filter of described three-way filtering device, water out is fixedly connected with wellhead casing pipe.
3. flushing fluid recycling device in a kind of well according to claim 1, is characterized in that: be provided with sewage draining exit a bottom the water space on the left of the overflow baffle in described casing, sewage draining exit a and ft connection; Filter in described casing and the position between overflow baffle are provided with sewage draining exit b.
4. flushing fluid recycling device in a kind of well according to claim 1, it is characterized in that: after the filter of described three-way filtering device, water exit port position place is provided with cylindrical filter net, circumference and the bottom of cylindrical filter net are provided with filter bores, the end of cylindrical filter net is provided with annular and connects boss, and annular connects boss and is fixedly connected with the adpting flange that water out place after the filter of three-way filtering device is arranged; The sewage backflow mouth of described three-way filtering device is connected by pipeline with well water inlet tube, and sewage backflow mouth place is provided with pressure meter.
5. flushing fluid recycling device in a kind of well according to claim 1, is characterized in that: the two sides of described dirt cleaning groove are provided with cleaning groove and buckle.
6. flushing fluid recycling device in a kind of well according to claim 1, is characterized in that: described top board is provided with mounting groove, and the cross section of described filter is T-shaped, and the plate face of filter is provided with filter bores; Box house is inserted by mounting groove in the plate face of described filter, is abutted against bottom filter with the bottom surface of case intracorporeal space, and the top of filter is provided with fixing transverse slat, is fixedly connected with by filter by fixing transverse slat with top board.
7. flushing fluid recycling device in a kind of well according to claim 1, is characterized in that: the top of described top board and casing is fixed.
8. flushing fluid recycling device in a kind of well according to claim 1, is characterized in that: the sewage backflow mouth position of described three-way filtering device is provided with switch valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420725544.XU CN204252952U (en) | 2014-11-28 | 2014-11-28 | Flushing fluid recycling device in a kind of well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420725544.XU CN204252952U (en) | 2014-11-28 | 2014-11-28 | Flushing fluid recycling device in a kind of well |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204252952U true CN204252952U (en) | 2015-04-08 |
Family
ID=52957272
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420725544.XU Expired - Fee Related CN204252952U (en) | 2014-11-28 | 2014-11-28 | Flushing fluid recycling device in a kind of well |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204252952U (en) |
-
2014
- 2014-11-28 CN CN201420725544.XU patent/CN204252952U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150408 Termination date: 20151128 |