CN200952368Y - Water injection well stainless steel seepage type removable stain and pollutant removing back flushing fine filter - Google Patents
Water injection well stainless steel seepage type removable stain and pollutant removing back flushing fine filter Download PDFInfo
- Publication number
- CN200952368Y CN200952368Y CN 200620021756 CN200620021756U CN200952368Y CN 200952368 Y CN200952368 Y CN 200952368Y CN 200620021756 CN200620021756 CN 200620021756 CN 200620021756 U CN200620021756 U CN 200620021756U CN 200952368 Y CN200952368 Y CN 200952368Y
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- China
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- stainless steel
- filter core
- steel filter
- injection well
- reticulated cell
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Abstract
The utility model relates to an injection well stainless-steel back-surge filtration-type precision filter with discaling and sewage discharge, which is an oilfield injection well filter and solves the problems about incontinuous flushing operation and the water quality below standard of the flushing fluid of the flushing fluid outside discharge and pump truck coordinating with water tanker for inlet water countercirculation flushing. A locating sleeve (12) in the utility model is sheathed inside an outer tube (1). The left side of a spring seat (11) is sheathed inside the locating sleeve (12). And the spring seat (11) and the locating sleeve (12) are provided with a radial pore I (16) and a radial pore II (17) respectively. A sewage discharge handle is connected with the screw thread of the spring seat (11). A stainless-steel filter element I (6) is sheathed outside the stainless-steel filter element II (7) and inside the outer tube (1). The stainless-steel filter element II (7) is provided with an axial through groove II (19), a radial ring-shaped groove II (20) and a reticular hole II (21). The stainless-steel filter element I (6) is provided with an axial through groove I (22), a radial ring-shaped groove I (23) and a reticular hole I (24). A spring (10) is arranged between a partition plate (9) and a spring seat (11). The utility model has the advantages of oil-water and sand separation and recycle, no flushing fluid discharge, water resources saving and flushing operation expense saving.
Description
Technical field
The utility model relates to a kind of oil-field flooding well tube filter.
Background technology
The general employing of existing water injection well in oil fields well-flushing comes anti-circulation well cleanup of water and pump truck hydrous water tank car well-flushing dual mode.Adopt the anti-circulation well cleanup of water, exist flushing fluid to efflux and cause environmental pollution problems; Adopt pump truck hydrous water tank car well-flushing, the operation of many chassis because flushing fluid mustn't efflux, can only come and go the appointed place discharging, causes roping expensive bigger for this reason, clean-out service continuously, and flushing fluid water quality can't be up to standard, the halfway problem of well-flushing.
The utility model content
But the purpose of this utility model provides a kind of water injection well stainless steel seepage formula scale removal blowdown backwash fine filter, it can solve adopts the anti-circulation well cleanup of water, exist flushing fluid to efflux and cause environmental pollution problems and adopt pump truck hydrous water tank car well-flushing, exist roping expensive big, clean-out service continuously, flushing fluid water quality can't be up to standard, the halfway problem of well-flushing.
The utility model comprises that urceolus, a left side connect dish, left end cap, outlet pipe, water inlet pipe, stainless steel filter core one, stainless steel filter core two, the right side and connect dish and right end cap; The left end of described urceolus connects dish by a left side and is connected with left end disc, and the right-hand member of urceolus connects dish by the right side and is connected with right end disc, and an end of described outlet pipe is fixedlyed connected with the delivery port of left end cap, and an end of described water inlet pipe is fixedlyed connected with the water inlet of urceolus; The utility model also comprises backwash mechanism and positioning bar; Described backwash mechanism is made up of dividing plate, spring, spring base, positioning sleeve, interior cover and blowdown handle; The inner chamber of right end cap is equipped with interior cover, cover is by being arranged on the positioning bar location on the urceolus right-hand member inwall in described, in being contained in, also passes through described positioning sleeve the positioning bar radial location in the urceolus of cover left end, the left end of described spring base is contained in interior cover, in the inner chamber of positioning sleeve and right end cap, along the circumferential direction be provided with radial hole one on the outer wall of spring base, along the circumferential direction be provided with radial hole two on the outer wall of positioning sleeve, described radial hole one and radial hole two are on same cross section, the left end of described blowdown handle is contained in the spring base and with spring base and is threaded, described stainless steel filter core two is contained in a left side and connects between the left boss of dish and spring base, stainless steel filter core one is contained in the stainless steel filter core two and matched in clearance, be respectively arranged with radially annular groove two of one group of axial pass trough two and a group on the outer wall of stainless steel filter core two, the outer wall of stainless steel filter core two is provided with the reticulated cell two that is evenly distributed, and described reticulated cell two is separately positioned on the position that described radially annular groove two and axial pass trough two coincide; Be respectively arranged with radially annular groove one of one group of axial pass trough one and a group on the outer wall of described stainless steel filter core one, described radially annular groove one is with radially the annular groove two-phase is corresponding, the outer wall of stainless steel filter core one is provided with the reticulated cell one that is evenly distributed, described reticulated cell one is separately positioned on the position that radially annular groove one and axial pass trough one coincide, described dividing plate is contained in the stainless steel filter core one, between the interior round platform of dividing plate and spring base spring is housed.
The utlity model has following beneficial effect: one, the utility model need not be dismantled when filter core cleans, and can use at least 5 years owing to increased backwash mechanism on the basis of water injection well strainer, has prolonged the application life of filter core.Two, be distributed with reticulated cell one and reticulated cell two respectively on the outer wall of internal layer stainless steel filter core one and outer stainless steel filter core two, and be respectively arranged with radially annular groove one, axial pass trough one and radially annular groove two, axial pass trough two on the outer wall of internal layer stainless steel filter core one and outer stainless steel filter core two, like this under action of centrifugal force, be contained in mechanical admixture in the sump oil, proportion and thrown to accordingly radially in the annular groove and axial pass trough, make liquid stream obtain fine filtering greater than the tiny silt particle of water.Because the effect of eddy flow, two filter cores are washed away at any time, remain resolution capability efficiently.Three, stainless steel filter core one and stainless steel filter core two can will be differentiated and stop greater than the suspension after the mechanical admixture of 0.002mm and the flocculation in radially be come out by secondary separation in annular groove and the axial pass trough, and qualified after filtration water enters central tube via outlet pipe and injects into well.Four, the separated and dirt that stops, blowdown handle in rotating backwash mechanism, make the reticulated cell two of stainless steel filter core two corresponding with the reticulated cell one of stainless steel filter core one, the radial hole one of spring base is corresponding with the radial hole two of positioning sleeve, the backwash passage is connected, back out the blowdown handle, dirt is discharged urceolus via reticulated cell two, radial hole one and radial hole two, makes filter core obtain oppositely thoroughly cleaning.Five, the design of the summation of the gap value between the aperture of the aperture of reticulated cell one, reticulated cell two and stainless steel filter core one and the stainless steel filter core two time is greater than radial hole one or radial hole two apertures 4.5 times, purpose is under the situation of long-term not blowdown backwash, still can guarantee the filter core operate as normal.Six, the long-time use of this fine filter pressure of not spraining, the drainage amount is big, high pressure resistant 40MPa, processing and fine filtering by to sulfate reducing bacteria and oil emulsion make the flushing fluid water quality reaching standard, and have realized the continuous well-flushing closed cycle of bicycle operation.Seven, the utlity model has reasonable in design, easy to use, realize that profit, silt particle separate recovery, blowdown scale removal backwash effect is good, and flushing fluid does not efflux, protection oil field environment, the advantage of conserve water resource and clean-out service expense.
Description of drawings
Fig. 1 is an overall structure schematic diagram of the present utility model, and Fig. 2 is the cross-sectional view that filter core 1, filter core 27 and filter core 3 25 are assembled together, and Fig. 3 is the B-B sectional drawing of Fig. 1.
The specific embodiment
The specific embodiment one: in conjunction with Fig. 1～Fig. 3 present embodiment is described, present embodiment by urceolus 1, a left side connect dish 2, left end cap 3, outlet pipe 4, water inlet pipe 5, stainless steel filter core 1, stainless steel filter core 27, the right side connect dish 30, right end cap 31, backwash mechanism 8 and positioning bar 15 and form; The left end of described urceolus 1 connects dish 2 by a left side and is connected with left end disc 3, the right-hand member of urceolus 1 connects dish 30 by the right side and is connected with right end disc 31, one end of described outlet pipe 4 is fixedlyed connected with the delivery port of left end cap 3, and an end of described water inlet pipe 5 is fixedlyed connected with the water inlet of urceolus 1; Described backwash mechanism 8 is made up of dividing plate 9, spring 10, spring base 11, positioning sleeve 12, interior cover 13 and blowdown handle 14; Cover 13 in the right-hand member of urceolus 1 inner chamber is equipped with, cover 13 is by being arranged on positioning bar 15 location on the urceolus 1 right-hand member inwall in described, described positioning bar 15 is along the inner wall even distribution of urceolus 1, in being contained in, also passes through described positioning sleeve 12 positioning bar 15 radial locations in the urceolus 1 of cover 13 left ends, cover 13 in the left end of described spring base 11 is contained in, in the inner chamber of positioning sleeve 12 and right end cap 31, along the circumferential direction be provided with radial hole 1 on the outer wall of spring base 11, along the circumferential direction be provided with radial hole 2 17 on the outer wall of positioning sleeve 12, described radial hole 1 and radial hole 2 17 are on same cross section, the left end of described blowdown handle 14 is contained in the spring base 11 and with spring base 11 and is threaded, described stainless steel filter core 27 is contained in a left side and connects between the left boss 18 of dish 2 and spring base 11, stainless steel filter core 1 is contained in the stainless steel filter core 27 and matched in clearance, the matched in clearance amount is 0.02mm, can guarantee fine filtering, be respectively arranged with radially annular groove 2 20 of one group of axial pass trough 2 19 and a group on the outer wall of stainless steel filter core 27, the outer wall of stainless steel filter core 27 is provided with the reticulated cell 2 21 that is evenly distributed, and described reticulated cell 2 21 is separately positioned on the position that described radially annular groove 2 20 and axial pass trough 2 19 coincide; Be respectively arranged with radially annular groove 1 of one group of axial pass trough 1 and a group on the outer wall of described stainless steel filter core 1, described radially annular groove 1 is with radially annular groove 2 20 is corresponding, the outer wall of stainless steel filter core 1 is provided with the reticulated cell 1 that is evenly distributed, described reticulated cell 1 is separately positioned on the position that radially annular groove 1 and axial pass trough 1 coincide, described dividing plate 9 is contained in the stainless steel filter core 1, between the interior round platform 27 of dividing plate 9 and spring base 11 spring 10 is housed, the aperture Φ 1 of described reticulated cell 1 and the aperture Φ 2 of reticulated cell 2 21 are 2～4mm.
The specific embodiment two: in conjunction with Fig. 1 and Fig. 2 present embodiment is described, the difference of the present embodiment and the specific embodiment one is: present embodiment also increases stainless steel filter core 3 25; Described stainless steel filter core 3 25 is sleeved on the described stainless steel filter core 27 and is fixed on a described left side and connects between dish 2 and the positioning sleeve 12, matched in clearance amount between stainless steel filter core 3 25 and the stainless steel filter core 27 is 0.05mm, be respectively arranged with radially annular groove 3 28 of one group of axial pass trough 3 26 and a group on the outer wall of stainless steel filter core 3 25, the outer wall of stainless steel filter core 3 25 is provided with the reticulated cell 3 29 that is evenly distributed, described reticulated cell 3 29 is separately positioned on the position that radially annular groove 3 28 and axial pass trough 3 26 coincide, reticulated cell 3 29 is corresponding with described reticulated cell 1, and the aperture Φ 3 of described reticulated cell 3 29 is 2～4mm.So be provided with, can make filtrate carry out coarse filtration earlier, filter through essence again, can guarantee the flushing fluid water quality reaching standard.
Claims (7)
- But 1, a kind of water injection well stainless steel seepage formula scale removal blowdown backwash fine filter, it comprises that urceolus (1), a left side connect dish (2), left end cap (3), outlet pipe (4), water inlet pipe (5), stainless steel filter core one (6), stainless steel filter core two (7), the right side and connect dish (30) and right end cap (31); The left end of described urceolus (1) connects dish (2) by a left side and is connected with left end disc (3), the right-hand member of urceolus (1) connects dish (30) by the right side and is connected with right end disc (31), one end of described outlet pipe (4) is fixedlyed connected with the delivery port of left end cap (3), and an end of described water inlet pipe (5) is fixedlyed connected with the water inlet of urceolus (1); It is characterized in that it also comprises backwash mechanism (8) and positioning bar (15); Described backwash mechanism (8) is made up of dividing plate (9), spring (10), spring base (11), positioning sleeve (12), interior cover (13) and blowdown handle (14); The inner chamber of right end cap (31) is equipped with interior cover (13), cover (13) is by being arranged on positioning bar (15) location on urceolus (1) the right-hand member inwall in described, described positioning sleeve (12) is contained in the urceolus (1) of interior cover (13) left end and by positioning bar (15) radial location, the left end of described spring base (11) is contained in interior cover (13), in the inner chamber of positioning sleeve (12) and right end cap (31), along the circumferential direction be provided with radial hole one (16) on the outer wall of spring base (11), along the circumferential direction be provided with radial hole two (17) on the outer wall of positioning sleeve (12), described radial hole one (16) and radial hole two (17) are on same cross section, the left end of described blowdown handle (14) is contained in the spring base (11) and with spring base (11) and is threaded, described stainless steel filter core two (7) is contained in a left side and connects between the left boss (18) of dish (2) and spring base (11), stainless steel filter core one (6) is contained in the stainless steel filter core two (7) and matched in clearance, be respectively arranged with radially annular groove two (20) of two (19) and one groups of one group of axial pass troughs on the outer wall of stainless steel filter core two (7), the outer wall of stainless steel filter core two (7) is provided with the reticulated cell two (21) that is evenly distributed, and described reticulated cell two (21) is separately positioned on the position that described radially annular groove two (20) and axial pass trough two (19) coincide; Be respectively arranged with radially annular groove one (23) of one (22) and one group of one group of axial pass trough on the outer wall of described stainless steel filter core one (6), described radially annular groove one (23) is with radially annular groove two (20) is corresponding, the outer wall of stainless steel filter core one (6) is provided with the reticulated cell one (24) that is evenly distributed, described reticulated cell one (24) is separately positioned on the position that radially annular groove one (23) and axial pass trough one (22) coincide, described dividing plate (9) is contained in the stainless steel filter core one (6), between the interior round platform (27) of dividing plate (9) and spring base (11) spring (10) is housed.
- 2, but water injection well stainless steel seepage formula scale removal blowdown backwash fine filter according to claim 1 is characterized in that it also comprises stainless steel filter core three (25); Described stainless steel filter core three (25) is sleeved on the described stainless steel filter core two (7) and is fixed on a described left side and connects between dish (2) and the positioning sleeve (12), stainless steel filter core three (25) and stainless steel filter core two (7) matched in clearance, be respectively arranged with radially annular groove three (28) of three (26) and one groups of one group of axial pass troughs on the outer wall of stainless steel filter core three (25), the outer wall of stainless steel filter core three (25) is provided with the reticulated cell three (29) that is evenly distributed, described reticulated cell three (29) is separately positioned on the position that radially annular groove three (28) and axial pass trough three (26) coincide, and reticulated cell three (29) is corresponding with described reticulated cell one (24).
- 3, but water injection well stainless steel seepage formula scale removal blowdown backwash fine filter according to claim 1 is characterized in that the inner wall even distribution of described positioning bar (15) along urceolus (1).
- 4, but water injection well stainless steel seepage formula scale removal blowdown backwash fine filter according to claim 1 is characterized in that the matched in clearance amount between described stainless steel filter core one (6) and the stainless steel filter core two (7) is 0.02mm.
- 5, but water injection well stainless steel seepage formula scale removal blowdown backwash fine filter according to claim 2 is characterized in that the matched in clearance between described stainless steel filter core three (25) and the stainless steel filter core two (7) is 0.05mm.
- But 6, water injection well stainless steel seepage formula scale removal blowdown backwash fine filter according to claim 1 is characterized in that the aperture Φ 1 of described reticulated cell one (24) and the aperture Φ 2 of reticulated cell two (21) are 2～4mm.
- 7, but water injection well stainless steel seepage formula scale removal blowdown backwash fine filter according to claim 2 is characterized in that the aperture Φ 3 of described reticulated cell three (29) is 2～4mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620021756 CN200952368Y (en) | 2006-09-28 | 2006-09-28 | Water injection well stainless steel seepage type removable stain and pollutant removing back flushing fine filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620021756 CN200952368Y (en) | 2006-09-28 | 2006-09-28 | Water injection well stainless steel seepage type removable stain and pollutant removing back flushing fine filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200952368Y true CN200952368Y (en) | 2007-09-26 |
Family
ID=38810669
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620021756 Expired - Lifetime CN200952368Y (en) | 2006-09-28 | 2006-09-28 | Water injection well stainless steel seepage type removable stain and pollutant removing back flushing fine filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200952368Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100429379C (en) * | 2006-09-28 | 2008-10-29 | 大庆油田有限责任公司 | Stainless steel seepage scale removal blowdown backwash fine filter for flooding well |
| CN103615209A (en) * | 2013-11-14 | 2014-03-05 | 盐城市大冈石油工具厂有限责任公司 | Throttling and pressure regulating filter |
| CN109589666A (en) * | 2019-01-30 | 2019-04-09 | 卞洪丽 | Oil field water quality fine filter |
-
2006
- 2006-09-28 CN CN 200620021756 patent/CN200952368Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100429379C (en) * | 2006-09-28 | 2008-10-29 | 大庆油田有限责任公司 | Stainless steel seepage scale removal blowdown backwash fine filter for flooding well |
| CN103615209A (en) * | 2013-11-14 | 2014-03-05 | 盐城市大冈石油工具厂有限责任公司 | Throttling and pressure regulating filter |
| CN103615209B (en) * | 2013-11-14 | 2016-05-11 | 盐城市大冈石油工具厂有限责任公司 | Throttling pressure regulation filter |
| CN109589666A (en) * | 2019-01-30 | 2019-04-09 | 卞洪丽 | Oil field water quality fine filter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Effective date of abandoning: 20060928 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |