CN102493796A - Physical excitation and three-phase separation pre-separation current stabilizing and water distributing machine for well injection water - Google Patents
Physical excitation and three-phase separation pre-separation current stabilizing and water distributing machine for well injection water Download PDFInfo
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- CN102493796A CN102493796A CN2011104310183A CN201110431018A CN102493796A CN 102493796 A CN102493796 A CN 102493796A CN 2011104310183 A CN2011104310183 A CN 2011104310183A CN 201110431018 A CN201110431018 A CN 201110431018A CN 102493796 A CN102493796 A CN 102493796A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 74
- 230000005284 excitation Effects 0.000 title claims abstract description 37
- 238000000926 separation method Methods 0.000 title claims abstract description 13
- 238000005191 phase separation Methods 0.000 title claims abstract description 11
- 238000002347 injection Methods 0.000 title abstract description 9
- 239000007924 injection Substances 0.000 title abstract description 9
- 230000000087 stabilizing effect Effects 0.000 title abstract 4
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 8
- 239000010959 steel Substances 0.000 claims abstract description 8
- 238000001914 filtration Methods 0.000 claims abstract description 6
- 238000003860 storage Methods 0.000 claims abstract description 5
- 230000006641 stabilisation Effects 0.000 claims description 19
- 238000011105 stabilization Methods 0.000 claims description 19
- 239000002349 well water Substances 0.000 claims description 16
- 235000020681 well water Nutrition 0.000 claims description 16
- 238000000746 purification Methods 0.000 claims description 4
- 238000007790 scraping Methods 0.000 claims description 4
- 210000004534 cecum Anatomy 0.000 claims description 3
- 230000004447 accommodation reflex Effects 0.000 claims description 2
- 239000003921 oil Substances 0.000 description 32
- 239000012535 impurity Substances 0.000 description 7
- 230000018044 dehydration Effects 0.000 description 6
- 238000006297 dehydration reaction Methods 0.000 description 6
- 239000007789 gas Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 239000004677 Nylon Substances 0.000 description 3
- 229920001778 nylon Polymers 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 239000003208 petroleum Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- 208000035126 Facies Diseases 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000004512 die casting Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000004945 emulsification Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 1
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 239000003305 oil spill Substances 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 229910052573 porcelain Inorganic materials 0.000 description 1
- 238000011112 process operation Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 230000000638 stimulation Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
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Abstract
A physical excitation and three-phase separation pre-separation current stabilizing and water distributing machine for well injection water comprises a pot-shaped container A', wherein a water inlet pipe 1 is arranged at the middle lower part of the pot-shaped container A' and connected to an upward oblique pipe 2 after entering the pot-shaped container A'; the oblique pipe 2 is connected to the central location of the cross section of the pot-shaped container A' so as to be vertical to upward flaring pipes; the upward flaring pipes form a physical excitation zone 3; a physical exciter 4 is arranged at the center of the physical excitation zone; the physical exciter 4 is an dissolved-air excitation releaser; the oblique pipe 2 is connected with an water inlet pipe of the physical exciter; a current stabilizing and water distributing machine is connected onto the flaring pipe; the current stabilizing and water distributing machine is a horn mouth-shaped back taper, and the inner wall of the back taper is like waves; an oil wiper 6 is mounted at the top part of the pot-shaped container A'; an inclined oil collection small steel tank is arranged under an oil wiping plate of the oil wiper 6 and is connected with an oil connection pipe leading to an oil storage tank; an purifying and filtering layer 7 is arranged at the lower part of the pot-shaped container A'; and a water inlet pipe 8 is arranged at the bottom part of the pot-shaped container A'.
Description
Technical field
The present invention relates to the oil field and annotate the processing reuse of well water.
Technical background:
When implementing " two adopt " in the terrestrial facies oil field; Need to use a large amount of well water of annotating, when notes well water is got back to ground, after the electric dehydration station has withdrawn most of crude oil; Remaining in the electric dehydration jar have a large amount of oil-polluted waters also necessary through further oil removing, except that suspended impurity and some dissolved gases; Like natural gas, hydrogen sulfide, oxygen or the like, reach corresponding codes and standards, can make the notes well water water quality of this recovery reach the water quality standard requirement of re-injection water.Different strata there is the different quality requirement, as: the re-injection water to less permeable layer requires oil content≤5ppm in the re-injection water; Suspended impurity content≤1ppm; Suspended impurity median particle size≤1 μ m.But in practice because of various technical reasons nearly all can not reach standard-required for a long time, so that not only exhaust the people and drain the treasury but also bring numerous difficult problems and loss for the long-term exploitation smoothly of petroleum resources, become a difficult problem in the petroleum resources exploitation.Just not reach standard relevant with the re-injection water of long-time use for the oil spill accident in the 19-3 oil field, Peng Lai, Bohai Sea Gulf in the shock whole nation.The present invention's design is exactly to an above-mentioned difficult problem, one of effective solution of proposition and approach.Notice the reset condition characteristic of the notes well water that this is to be recycled---1, mostly all contain all kinds of dissolved gases about 2%; 2, electric dehydration jar itself has 2kg/cm
2About overbottom pressure.Utilize the original condition that has and the inventor's of this notes well water to be recycled physical excitation device and the corollary apparatus can be to the good pre-separation effect of gas, oil, water generates in this notes well water to be recycled.So that to annotating the follow-up further processing up to standard of well water.
Summary of the invention
Technical scheme of the present invention is following:
A kind of physical excitation, three phase separation pre-separation current stabilization water-locator of annotating well water, as shown in Figure 1, it comprises a tank container A '; In the middle and lower part of tank container A ' water inlet pipe 1 is arranged, water inlet pipe 1 gets into tank container A ' back and connects oblique pipe 2 upwards, and oblique pipe 2 connects the enlarged tube with vertically upward in the center in tank container A ' cross section; Enlarged tube constitutes physical excitation district 3, and the central authorities in physical excitation district are equipped with physical excitation device 4, and oblique pipe 2 links to each other with the water inlet pipe of physical excitation device 4; Be connected with current stabilization water-locator 5 on the enlarged tube, as shown in Figure 2, at the top of tank container A ' oil wiper 6 is housed; The little steel tank of receipts oil of inclination is arranged under the oil scraping plate of oil wiper 6, and little steel tank is connected with the collection tube that leads to oil storage tank, and the filtering layer 7 of purification is arranged at the bottom of tank container A '; Outlet pipe 8 is arranged at the bottom of tank container A ', and described physical excitation device 4 is like Fig. 4, Fig. 5 and shown in Figure 6; It has a water inlet pipe G, and the end of water inlet pipe G connects a water inlet restricting orifice A, and there is a throttle orifice 9 with the circular hole of water inlet pipe concentric in the central authorities of water inlet restricting orifice A; The another side of water inlet restricting orifice A with respect to water inlet pipe G have one with throttle orifice 9 coaxial, be welded on the torrent tore of reflection C on the water restricting orifice A into, torrent tore of reflection C is wall thickness 2-5mm, the annulus of high 10-12mm; In torrent tore of reflection C, have the reflection of a circle to agitate device B, it is coaxial with torrent tore of reflection C that device B is agitated in reflection, and it is a cylinder table that device B is agitated in reflection; The diameter of cylinder table is 4-6 a times of throttle orifice 9 diameters, and cylinder table is towards the shoulder that the high 1.0-2.0mm of a circle is arranged all around of the one side of water inlet restricting orifice A, shoulder breadth 1.5-2.5mm; Form the cylinder table concave surface, it is that the 1.15-1.2 blind cylindrical hole doubly of throttle orifice 1 diameter is agitated hole 10 as reflection that there is a diameter in cylinder table concave surface central authorities, and the aspect ratio that hole 10 is agitated in reflection is 1: 0.8-1.2 (characteristic according to solution gas in the kinematic coefficient of viscosity of water and the water is regulated); It is outside to agitate 2 limits, hole from reflection, is radial level and has 4-8 bar torrent groove 11 radial dividing equally, and torrent groove 11 is a rectangular channel; Size confirms that according to handling the water yield outside the shoulder of torrent groove 11 around cylinder table (that is: the shoulder with cylinder table cuts into 4-8 breach), the sectional area summation of many grooves is 1.5-2.5 a times of throttle orifice 9 areas; The degree of depth of torrent groove 3 is agitated the 30-60% of the degree of depth in hole for reflection, the another side of cylinder table have one with the cylinder table handle of the coaxial round bar shape of cylinder table, the diameter of cylinder table handle is the 0.3-0.6 of cylinder table diameter; There is the cecum screwed hole of a M8 or M10 the central axis position, termination of cylinder table handle, is used to connect adjusting screw(rod), in order to regulate the gap between cylinder table plane and the water inlet restricting orifice A plane; The cylinder table handle that device B is agitated in reflection is seated in the fixedly bearing socket D that is welded on cover plate E central cylindrical, and there is a tapped through hole with cylinder table pommel portion screwed hole same specification at the center of cover plate E, has accommodation reflex to agitate the screw rod H of the upper and lower up-down of device in the tapped through hole; Between water inlet restricting orifice A and cover plate E, be welded with the outer casing F of annular, make outer casing F, water inlet restricting orifice A and cover plate E constitute the space enclosing structure of a physical excitation device, the diameter of outer casing F is 2-3 a times of cylinder table diameter; Have a plurality of water outlet ventholes 12 on the circumference of casing F and cover plate E junction outside, the gross area of water outlet venthole 12 is 20-30 a times of throttle orifice 9 areas; Described current stabilization water-locator 5, as shown in Figure 2, it is one as bell-mouthed back taper, the inwall undulate of back taper is formed by nylon die casting.The physics phase of the particle that has living space (referring to proportion, quality, movement velocity, the direction of motion etc.) all has relative different, this space physics situation to help extremely that three kinds of materials that proportion is different---oil, water, suspended impurity be natural separation at the volley in this water-locator encloses fixed space.Owing to young (diameter d) under the water inlet of water-locator big (the diameter D) suitable for reading of water-locator simultaneously; Thereby the movement velocity that from the lower inlet to the upper outlet, upwards exports to periphery all is trend viscous flows produces three-phase current stabilization effect; And turbulent flow and oily emulsification effect can not appear, water distribution is uniform and stable.
The physical excitation of notes well water of the present invention, three phase separation pre-separation current stabilization water-locator are following operations:
1. the oil-polluted water of at first pending purification drives the water inlet that gets into this device down through pipeline from electric dehydration storage tank delivery port at electric dehydration jar tank pressure passes through oblique pipe in A ' jar again and 2. continues under the driving of the electric dehydration jar tank pressure entering physical excitation district physical excitation device in 3. and 4. get into gas, oil, water three phase separation physical excitation district; Great amount of bubbles, oil pour in 5. (see figure 2) of current stabilization water-locator together with suspended impurity and water at this moment; Flowing velocity slows down; Three phase separation is proceeded again; Float over uppermost oil and suspended impurity; The oil wiper oil scraping plate 6. that is installed in A jar top is scraped the receipts oil channel bar into inclination, and will be recycled to oil tank along this channel-section steel outlet injection collection tube.Tank container A ' is inherent when implementing above-mentioned process operation, and the working of water-locator is continuously, and the You Heshui in that the water-locator upper edge hole overflows floats to the top on the oil, reclaimed by oil wiper; Water then from upper edge hole to underflow stream, 7. 8. outlet pipe flows out from tank container A ' bottom through purifying filtering layer.
Facts have proved; Utilize the initial condition of re-injection water to be recycled to adopt physical excitation, the three phase separation pre-separation current stabilization water-locator of notes well water of the present invention, reclaim annotate well water starting stage hardly consuming cost just can isolate about oil of about 90% and water quality obviously becomes clearly.
This has just injected the very cheap technical measures of cost at the very start in the oil removing that launches a large amount of re-injection water, purification, removal process; Effect is fairly obvious, and naked eyes just can obviously be found out, through the technology intervention of above-mentioned physical excitation pre-separation current stabilization water-locator; Significant change has taken place in water quality; Gas has not had, and oil has reclaimed about 90%, and it is clear that water becomes.
Description of drawings
Fig. 1 is physical excitation, the three phase separation pre-separation current stabilization water-locator sketch map of notes well water of the present invention, and wherein: A ' is a tank container; 1 is the oil-polluted water import; 2 is oblique pipe; 3 is the physical excitation district; 4 is the physical excitation device; 5 is the current stabilization water-locator; 6 is oil wiper and oil scupper; 7 for purifying filtering layer; 8 is the outlet pipe after the pre-separation oil removing removes suspended impurity.
Fig. 2 is the generalized section of current stabilization water-locator.
Fig. 3 is the vertical view of Fig. 2 current stabilization water-locator.
Fig. 4 is the generalized section of physical excitation device.
Fig. 5 is the vertical view of Fig. 4 physical excitation device.
Fig. 6 agitates the sketch map of device B for the reflection of physical excitation device.
The specific embodiment
Embodiment
Physical excitation, the three phase separation pre-separation current stabilization water-locator (seeing accompanying drawing 1) of the notes well water that present embodiment uses; The L of the oblique pipe 2 of its water inlet long for 450mm, α be that 45 °, H are 400mm; Physical excitation device 4 has been installed afterwards, nylon matter current stabilization water-locator 5 has been installed on the physical excitation device 4.Bore D1 is that bore D is that diameter 600mm, H are that 91mm, α are 22 ° in diameter 150mm, the water outlet under the water inlet of nylon matter current stabilization water-locator 5 (seeing accompanying drawing 2); The cross section of the concentric circles viscous flow ring of water-locator is that h is that 15mm, h1 are that 6mm, R1 are that 12mm, R2 are that 9mm, R3 are that 12mm, R4 are the sine surface of 15mm, and spilled water hole d is diameter 10mm.At the top of tank container A ' oil wiper 6 is housed, the little steel tank of receipts oil of inclination is arranged under the oil scraping plate of oil wiper 6, little steel tank is connected with the collection tube that leads to oil storage tank, and the porcelain grain particle diameter that purifies filtering layer 7 is that 0.5～1.0mm, h are 1000mm.The physical excitation device 4 that adopts is the cylindrical metal box body of 120mm, thick 57mm for external diameter, and its structure is seen Fig. 4, Fig. 5 and shown in Figure 6, and wherein: the diameter of throttle orifice 9 is 10mm; Torrent tore of reflection C wall thickness 3mm, high 10mm,, the diameter of cylinder table is 60mm; The shoulder height 1.5mm of cylinder table, shoulder breadth 2.0mm, the diameter that hole 10 is agitated in reflection is 12.0mm, hole 2 dark 10.0mm are agitated in reflection; It is outside to agitate 2 limits, hole from reflection, is radial level and has 6 torrent grooves 11 radial dividing equally, and torrent groove 11 is a rectangular channel, torrent groove 11 wide 4.0mm; Dark 5.0mm, the diameter of cylinder table handle is 25mm, long 25mm, the cecum screwed hole of the central axis position, termination of cylinder table handle is M8; The internal diameter of outer casing F is 112mm, and the casing lower semisection has 8 water outlet ventholes 12 outside, and water outlet venthole 12 is wide 33mm; The rectangular opening of high 10.0mm, this exciter bottom central part has the adjusting bolt, can adjust to obtain best stimulation effect according to the actual physics parameter of coming water.
The embodiment test result:
Claims (1)
1. physical excitation, three phase separation pre-separation current stabilization water-locator of annotating well water is characterized in that: it comprises a tank container (A '), in the middle and lower part of tank container (A ') water inlet pipe (1) is arranged; Water inlet pipe (1) gets into tank container (A ') back and connects oblique pipe (2) upwards, and oblique pipe (2) connects the enlarged tube with vertically upward in the center in tank container (A ') cross section, and enlarged tube constitutes physical excitation district (3); The central authorities in physical excitation district are equipped with physical excitation device (4), and oblique pipe (2) links to each other with the water inlet pipe of physical excitation device (4), is connected with current stabilization water-locator (5) on the enlarged tube; Oil wiper (6) is equipped with at top at tank container (A '), and the little steel tank of receipts oil of inclination is arranged under the oil scraping plate of oil wiper (6), and little steel tank is connected with the collection tube that leads to oil storage tank; Purification filtering layer (7) is arranged at the bottom of tank container (A '), and there is outlet pipe (8) bottom of tank container (A '), described physical excitation device; It has a water inlet pipe (G), and an end of water inlet pipe (G) connects a water inlet restricting orifice (A), and there is a throttle orifice (9) with the circular hole of water inlet pipe concentric in the central authorities of water inlet restricting orifice (A); The another side of water inlet restricting orifice A with respect to water inlet pipe (G) have one with throttle orifice (9) coaxial, be welded on the torrent tore of reflection (C) on the water restricting orifice (A) into, torrent tore of reflection (C) is wall thickness 2-5mm, the annulus of high 10-12mm; In torrent tore of reflection (C), have the reflection of a circle to agitate device (B), it is coaxial with torrent tore of reflection (C) that device (B) is agitated in reflection, and it is a cylinder table that device (B) is agitated in reflection; The diameter of cylinder table is 4-6 a times of throttle orifice (9) diameter, and cylinder table is towards the shoulder that the high 1.0-2.0mm of a circle is arranged all around of the one side of water inlet restricting orifice (A), shoulder breadth 1.5-2.5mm; Form the cylinder table concave surface, it is that the 1.15-1.2 blind cylindrical hole doubly of throttle orifice (1) diameter is agitated hole (10) as reflection that there is a diameter in cylinder table concave surface central authorities, and the aspect ratio that hole (10) is agitated in reflection is 1 : 0.8-1.2; It is outside to agitate limit, hole (10) from reflection, is radial level and has 4-8 bar torrent grooves (11) radial dividing equally, and torrent groove (11) is a rectangular channel; Size confirms that according to handling the water yield outside the shoulder of torrent groove (11) around cylinder table, the sectional area summation of many grooves is 1.5-2.5 a times of throttle orifice (9) area; The degree of depth of torrent groove (11) is agitated the 30-60% of the degree of depth in hole for reflection, the another side of cylinder table have one with the cylinder table handle of the coaxial round bar shape of cylinder table, the diameter of cylinder table handle is the 0.3-0.6 of cylinder table diameter; There is the cecum screwed hole of a M8 or M10 the central axis position, termination of cylinder table handle, is used to connect adjusting screw(rod), in order to regulate the gap between cylinder table plane and water inlet restricting orifice (A) plane; The cylinder table handle that device (B) is agitated in reflection is seated in the fixedly bearing socket (D) that is welded on cover plate (E) central cylindrical; There is a tapped through hole with cylinder table pommel portion screwed hole same specification at the center of cover plate (E), has accommodation reflex to agitate the screw rod (H) of device oscilaltion in the tapped through hole, between water inlet restricting orifice (A) and cover plate (E), is welded with the outer casing (F) of annular; Make outer casing (F), water inlet restricting orifice (A) and cover plate (E) constitute the space enclosing structure of a physical excitation device; The diameter of outer casing (F) is 2-3 a times of cylinder table diameter, has a plurality of water outlet ventholes (12) on the circumference of casing (F) and cover plate E junction outside, and the gross area of water outlet venthole (12) is 20-30 a times of throttle orifice (9) area; Described current stabilization water-locator (5), it is one as bell-mouthed back taper, the inwall undulate of back taper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110431018.3A CN102493796B (en) | 2011-12-20 | 2011-12-20 | Physical excitation and three-phase separation pre-separation current stabilizing and water distributing machine for well injection water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110431018.3A CN102493796B (en) | 2011-12-20 | 2011-12-20 | Physical excitation and three-phase separation pre-separation current stabilizing and water distributing machine for well injection water |
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| Publication Number | Publication Date |
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| CN102493796A true CN102493796A (en) | 2012-06-13 |
| CN102493796B CN102493796B (en) | 2014-04-16 |
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| CN201110431018.3A Active CN102493796B (en) | 2011-12-20 | 2011-12-20 | Physical excitation and three-phase separation pre-separation current stabilizing and water distributing machine for well injection water |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5132011A (en) * | 1991-08-02 | 1992-07-21 | Petroleum Equipment Specialties, Inc. | Oil, water and gas mixture separator |
| US6537458B1 (en) * | 1999-03-05 | 2003-03-25 | Shell Oil Company | Three-phase separator |
| CN2913601Y (en) * | 2005-08-25 | 2007-06-20 | 中国石化集团河南石油勘探局勘察设计研究院 | Oil-gas-water-sand four-phase separator |
| CN101279778A (en) * | 2007-05-26 | 2008-10-08 | 丹东恒诚环保科技开发有限公司 | Three-phase cyclone separator cleaning treatment system for oil-contaminated water |
| WO2008130612A1 (en) * | 2007-04-18 | 2008-10-30 | Tarves Robert J Jr | Dual walled dynamic phase separator |
| CN201157703Y (en) * | 2007-11-28 | 2008-12-03 | 北京石油化工学院 | Compact type rotary flow air float separating device for oily wastewater treatment |
| CN101343994A (en) * | 2007-07-12 | 2009-01-14 | 北京迪威尔石油天然气技术开发有限公司 | Oil, gas, water and methanol four-phase separator |
| CN202970673U (en) * | 2011-12-20 | 2013-06-05 | 南京碧盾环保科技有限公司 | Physical excitation and three-phase separation pre-separating current-stabilizing water distributor for water injected into well |
-
2011
- 2011-12-20 CN CN201110431018.3A patent/CN102493796B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5132011A (en) * | 1991-08-02 | 1992-07-21 | Petroleum Equipment Specialties, Inc. | Oil, water and gas mixture separator |
| US6537458B1 (en) * | 1999-03-05 | 2003-03-25 | Shell Oil Company | Three-phase separator |
| CN2913601Y (en) * | 2005-08-25 | 2007-06-20 | 中国石化集团河南石油勘探局勘察设计研究院 | Oil-gas-water-sand four-phase separator |
| WO2008130612A1 (en) * | 2007-04-18 | 2008-10-30 | Tarves Robert J Jr | Dual walled dynamic phase separator |
| CN101279778A (en) * | 2007-05-26 | 2008-10-08 | 丹东恒诚环保科技开发有限公司 | Three-phase cyclone separator cleaning treatment system for oil-contaminated water |
| CN101343994A (en) * | 2007-07-12 | 2009-01-14 | 北京迪威尔石油天然气技术开发有限公司 | Oil, gas, water and methanol four-phase separator |
| CN201157703Y (en) * | 2007-11-28 | 2008-12-03 | 北京石油化工学院 | Compact type rotary flow air float separating device for oily wastewater treatment |
| CN202970673U (en) * | 2011-12-20 | 2013-06-05 | 南京碧盾环保科技有限公司 | Physical excitation and three-phase separation pre-separating current-stabilizing water distributor for water injected into well |
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| CN102493796B (en) | 2014-04-16 |
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Denomination of invention: Physical excitation and three-phase separation pre-separation current stabilizing and water distributing machine for well injection water Effective date of registration: 20180611 Granted publication date: 20140416 Pledgee: Bank of Beijing Limited by Share Ltd. Nanjing branch Pledgor: NANJING BIDUN ENVIRONMENTAL PROTECTION TECHNOLOGY CO.,LTD. Registration number: 2018320000080 |
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Date of cancellation: 20190121 Granted publication date: 20140416 Pledgee: Bank of Beijing Limited by Share Ltd. Nanjing branch Pledgor: NANJING BIDUN ENVIRONMENTAL PROTECTION TECHNOLOGY CO.,LTD. Registration number: 2018320000080 |
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Denomination of invention: Physical excitation and three-phase separation pre-separation current stabilizing and water distributing machine for well injection water Effective date of registration: 20190125 Granted publication date: 20140416 Pledgee: Bank of Beijing Limited by Share Ltd. Nanjing branch Pledgor: NANJING BIDUN ENVIRONMENTAL PROTECTION TECHNOLOGY CO.,LTD. Registration number: 2019320000071 |
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Date of cancellation: 20200810 Granted publication date: 20140416 Pledgee: Bank of Beijing Limited by Share Ltd. Nanjing branch Pledgor: NANJING BIDUN ENVIRONMENTAL PROTECTION TECHNOLOGY Co.,Ltd. Registration number: 2019320000071 |
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Denomination of invention: A water distributor with physical excitation, three-phase separation and pre separation for well water injection Effective date of registration: 20200907 Granted publication date: 20140416 Pledgee: Bank of Beijing Limited by Share Ltd. Nanjing branch Pledgor: NANJING BIDUN ENVIRONMENTAL PROTECTION TECHNOLOGY Co.,Ltd. Registration number: Y2020320000188 |
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Date of cancellation: 20220816 Granted publication date: 20140416 Pledgee: Bank of Beijing Limited by Share Ltd. Nanjing branch Pledgor: NANJING BIDUN ENVIRONMENTAL PROTECTION TECHNOLOGY CO.,LTD. Registration number: Y2020320000188 |