CN102493796B - 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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- CN102493796B CN102493796B CN201110431018.3A CN201110431018A CN102493796B CN 102493796 B CN102493796 B CN 102493796B CN 201110431018 A CN201110431018 A CN 201110431018A CN 102493796 B CN102493796 B CN 102493796B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 73
- 230000005284 excitation Effects 0.000 title claims abstract description 18
- 238000000926 separation method Methods 0.000 title claims abstract description 13
- 238000005191 phase separation Methods 0.000 title claims abstract description 11
- 230000000087 stabilizing effect Effects 0.000 title claims abstract description 11
- 238000002347 injection Methods 0.000 title abstract description 8
- 239000007924 injection Substances 0.000 title abstract description 8
- 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
- 239000002349 well water Substances 0.000 claims description 16
- 235000020681 well water Nutrition 0.000 claims description 16
- 230000006641 stabilisation Effects 0.000 claims description 12
- 238000011105 stabilization Methods 0.000 claims description 12
- 238000012545 processing Methods 0.000 claims description 4
- 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
- 238000010586 diagram Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 239000003208 petroleum Substances 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
- 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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- Degasification And Air Bubble Elimination (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
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 processing reuse of oil field note well water.
Technical background:
When continental oil fields is implemented " two adopt ", need to use a large amount of note well water, when note well water is got back to ground, at electric dehydration station, withdrawn after most of crude oil, remaining in electric dehydration tank have a large amount of oil-polluted waters also necessary through further oil removing, except suspended impurity and some dissolved gases, as: natural gas, hydrogen sulfide, oxygen etc., reach corresponding codes and standards, can make the note well water water quality of this recovery reach the water quality standard requirement of re-injection water.There is to different quality requirement on different stratum, as: to the oil content≤5ppm in waterflooding requirement re-injection water that returns of less permeable layer; Suspended impurity content≤1ppm; Suspended impurity median particle size≤1 μ m.But in practice because 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 develop and bring numerous difficult problems and loss smoothly to petroleum resources are long-term, become a difficult problem in petroleum resources exploitation.Just not reach standard relevant with the re-injection water of long-time use for the oil spill accident that shocks national 19-3 oil field, Peng Lai, Bohai Sea Gulf.The present invention's design is exactly for an above-mentioned difficult problem, one of effective solution of proposition and approach.Notice the reset condition feature of this note well water to be recycled---1, mostly all contain all kinds of dissolved gases of 2% left and right; 2, electric dehydration tank itself has 2kg/cm
2the overbottom pressure of left and right.Utilize the original condition having of this note well water to be recycled and the inventor's physical exciter and the corollary apparatus can be to the good pre-separation effect of gas, oil, water generates in this note well water to be recycled.So that the follow-up further processing up to standard to note well water.
Summary of the invention
Technical scheme of the present invention is as follows:
A kind of physical excitation of noting well water, three-phase separation pre-separation current stabilizing water-locator, as shown in Figure 1, it comprises a tank container A ', in the middle and lower part of tank container A ', there is water inlet pipe 1, water inlet pipe 1 connects oblique pipe 2 upwards after entering tank container A ', oblique pipe 2 connects the enlarged tube with vertically upward in the center in tank container A ' cross section, enlarged tube forms physics lasing region 3, the central authorities in physical excitation district are equipped with physical exciter 4, oblique pipe 2 is connected with the water inlet pipe of physical exciter 4, on enlarged tube, be connected with current stabilization water-locator 5, as shown in Figure 2, at the top of tank container A ', oil wiper 6 is housed, under the oil scraping plate of oil wiper 6, there is the little steel tank of receipts oil of inclination, little steel tank is connected with the collection tube that leads to oil storage tank, 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 ', described physical exciter 4, as Fig. 4, shown in Fig. 5 and Fig. 6, it has a water inlet pipe G, one end of water inlet pipe G connects a water inlet restricting orifice A, the central authorities of water inlet restricting orifice A have one with the throttle orifice 9 of the circular hole of water inlet pipe concentric, the another side with respect to water inlet pipe G of water inlet restricting orifice A have one coaxial with throttle orifice 9, be welded on into the torrent tore of reflection C on water restricting orifice A, torrent tore of reflection C is wall thickness 2-5mm, the annulus of high 10-12mm, in torrent tore of reflection C, there is a circular reflection to agitate device B, it is coaxial with torrent tore of reflection C that device B is agitated in reflection, it is a cylinder table that device B is agitated in reflection, the diameter of cylinder table is 4-6 times of throttle orifice 9 diameters, cylinder table has the shoulder of the high 1.0-2.0mm of a circle towards the surrounding of the one side of water inlet restricting orifice A, shoulder breadth 1.5-2.5mm, form cylinder table concave surface, it is that the blind cylindrical hole doubly of 1.15-1.2 of throttle orifice 1 diameter is agitated hole 10 as reflection that there is a diameter in cylinder table concave surface central authorities, the aspect ratio that hole 10 is agitated in reflection is 1: 0.8-1.2 (regulating according to the characteristic of solution gas in the kinematic coefficient of viscosity of water and water), it is outside from 2 limits, hole are agitated in reflection, be radial level and have 4-8 bar torrent groove 11 radial dividing equally, torrent groove 11 is rectangular channel, size is determined according to processing the water yield, torrent groove 11 (that is: the shoulder of cylinder table is cut into 4-8 breach) outside the shoulder of cylinder table surrounding, the sectional area summation of many grooves is 1.5-2.5 times of throttle orifice 9 areas, the degree of depth of torrent groove 3 is the 30-60% that the degree of depth in hole is agitated in 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, be used for connecting 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 fixing bearing socket D that is welded on cover plate E central cylindrical, the center of cover plate E have one with the tapped through hole of cylinder table pommel portion screwed hole same specification, in tapped through hole, there is accommodation reflex to agitate on device, the screw rod H of lower lifting, 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 form the space enclosing structure of a physical exciter, the diameter of outer casing F is 2-3 times of cylinder table diameter, on the circumference of casing F and cover plate E junction, have multiple water outlet ventholes 12 outside, the gross area of water outlet venthole 12 is 20-30 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.In this water-locator encloses fixed space, 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, and this space physics situation is extremely conducive to three kinds of materials that proportion is different---oil, water, suspended impurity natural separation at the volley.Simultaneously young (diameter d) and large (the diameter D) suitable for reading of water-locator under the water inlet due to water-locator, to the movement velocity of periphery outlet, be upwards all thereby that trend viscous flow produces three-phase current stabilization effect from lower inlet to upper outlet, and there will not be turbulent flow and oily Emulsification effect, water distribution is uniform and stable.
The physical excitation of note well water of the present invention, three-phase separation pre-separation current stabilizing water-locator are following operations:
1. the oil-polluted water of first pending purification enters this device from electric dehydration storage tank delivery port under electric dehydration tank tank pressure drives water inlet by pipeline passes through oblique pipe in A ' tank again and 2. continues to enter the physical exciter of physical excitation district in 3. 4. enter gas under electric dehydration tank tank pressure drives, oil, water three phase separation physical excitation district, now a large amount of bubbles, oil pours in current stabilization water-locator together with suspended impurity and water and 5. (sees Fig. 2), flowing velocity slows down, three phase separation is proceeded again, float over uppermost oil and suspended impurity, the oil wiper that is installed in A tank top oil scraping plate is 6. scraped the receipts oil channel bar into inclination, and will be recycled to oil tank along this channel-section steel outlet injection collection tube.During the above-mentioned process operation of the inherent enforcement of tank container A ', the working of water-locator is continuously, the You Heshui overflowing at water-locator upper edge hole, and oil floats to top, by oil wiper, is reclaimed; 8. water, from upper edge hole to underflow stream, 7. flow out from tank container A ' bottom outlet pipe 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 stabilizing water-locator of note well water of the present invention, oil and water quality that in the starting stage of reclaiming note well water, consuming cost just can be isolated approximately 90% left and right hardly obviously become clearly.
This has just injected at the very start the very cheap technical measures of cost in the oil removing, purification, removal process that launch a large amount of re-injection water, effect is fairly obvious, naked eyes just can obviously be found out, technology through above-mentioned physical excitation pre-separation current stabilization water-locator gets involved, there is significant change in water quality, gas has not had, and oil has reclaimed 90% left and right, and it is clear that water becomes.
Accompanying drawing explanation
Fig. 1 is physical excitation, the three-phase separation pre-separation current stabilizing water-locator schematic diagram of note well water of the present invention, wherein: A ' is tank container; 1 is oil-polluted water import; 2 is oblique pipe; 3 is physical excitation district; 4 is physical exciter; 5 is current stabilization water-locator; 6 is oil wiper and oil scupper; 7 for purifying filtering layer; 8 is except the outlet pipe after suspended impurity through pre-separation oil removing.
Fig. 2 is the generalized section of current stabilization water-locator.
Fig. 3 is the top view of Fig. 2 current stabilization water-locator.
Fig. 4 is the generalized section of physical exciter.
Fig. 5 is the top view of Fig. 4 physical exciter.
Fig. 6 is the schematic diagram that device B is agitated in the reflection of physical exciter.
The specific embodiment
Embodiment
Physical excitation, the three-phase separation pre-separation current stabilizing water-locator (seeing accompanying drawing 1) of the note well water that the present embodiment is used, the L of the oblique pipe 2 of its water inlet long for 450mm, α be that 45 °, H are 400mm, physical exciter 4 has been installed afterwards, nylon matter current stabilization water-locator 5 has been installed on physical exciter 4.Under the water inlet of nylon matter current stabilization water-locator 5 (seeing accompanying drawing 2), bore D1 is that in diameter 150mm, water outlet, bore D is that diameter 600mm, H are that 91mm, α are 22 °, 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, has the little steel tank of receipts oil of inclination 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.Adopt physical exciter 4 for external diameter be 120mm, the cylindrical metal box body of thick 57mm, its structure is shown in Fig. 4, shown in Fig. 5 and Fig. 6, 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, the dark 10.0mm in hole 2 is agitated in reflection, it is outside from 2 limits, hole are agitated in reflection, be radial level and have 6 torrent grooves 11 radial dividing equally, torrent groove 11 is rectangular channel, the wide 4.0mm of torrent groove 11, 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, casing lower semisection has 8 water outlet ventholes 12 outside, water outlet venthole 12 is wide 33mm, the rectangular opening of high 10.0mm, this exciter bottom central part has adjusting bolt, can adjust to obtain best stimulation effect according to the actual physics parameter of water.
Embodiment test result:
Claims (1)
1. note the physical excitation of well water for one kind, three-phase separation pre-separation current stabilizing water-locator, it is characterized in that: it comprises a tank container (A '), there is water inlet pipe (1) middle and lower part at tank container (A '), water inlet pipe (1) connects oblique pipe (2) upwards after entering tank container (A '), oblique pipe (2) connects enlarged tube vertically upward in the center in tank container (A ') cross section, enlarged tube forms physics lasing region (3), the central authorities in physical excitation district are equipped with physical exciter (4), oblique pipe (2) is connected with the water inlet pipe of physical exciter (4), on enlarged tube, be connected with current stabilization water-locator (5), oil wiper (6) is equipped with at top at tank container (A '), under the oil scraping plate of oil wiper (6), there is the little steel tank of receipts oil of inclination, 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 '), outlet pipe (8) is arranged at the bottom of tank container (A '), described physical exciter, it has a water inlet pipe (G), one end of water inlet pipe (G) connects a water inlet restricting orifice (A), the central authorities of water inlet restricting orifice (A) have one with the throttle orifice (9) of the circular hole of water inlet pipe concentric, water inlet restricting orifice (A) the another side with respect to water inlet pipe (G) have one coaxial with throttle orifice (9), be welded on into the torrent tore of reflection (C) on water restricting orifice (A), torrent tore of reflection (C) is wall thickness 2-5mm, the annulus of high 10-12mm, in torrent tore of reflection (C), there is a circular reflection to agitate device (B), it is coaxial with torrent tore of reflection (C) that device (B) is agitated in reflection, it is a cylinder table that device (B) is agitated in reflection, the diameter of cylinder table is 4-6 times of throttle orifice (9) diameter, cylinder table has the shoulder of the high 1.0-2.0mm of a circle towards the surrounding of the one side of water inlet restricting orifice (A), shoulder breadth 1.5-2.5mm, form cylinder table concave surface, it is that the blind cylindrical hole doubly of 1.15-1.2 of throttle orifice (9) diameter is agitated hole (10) as reflection that there is a diameter in cylinder table concave surface central authorities, the aspect ratio that hole (10) is agitated in reflection is 1 ﹕ 0.8-1.2, it is outside from limit, hole (10) is agitated in reflection, be radial level and have 4-8 bar torrent grooves (11) radial dividing equally, torrent groove (11) is rectangular channel, size is determined according to processing the water yield, torrent groove (11) is outside the shoulder of cylinder table surrounding, the sectional area summation of many grooves is 1.5-2.5 times of throttle orifice (9) area, the degree of depth of torrent groove (11) is the 30-60% that the degree of depth in hole is agitated in 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, be used for connecting 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 fixing bearing socket (D) that is welded on cover plate (E) central cylindrical, the center of cover plate (E) have one with the tapped through hole of cylinder table pommel portion screwed hole same specification, in tapped through hole, there is accommodation reflex to agitate the screw rod (H) of device oscilaltion, 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) form the space enclosing structure of a physical exciter, the diameter of outer casing (F) is 2-3 times of cylinder table diameter, on the circumference of casing (F) and cover plate (E) junction, have multiple water outlet ventholes (12) outside, the gross area of water outlet venthole (12) is 20-30 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.
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| 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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| 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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| CN102493796B true CN102493796B (en) | 2014-04-16 |
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|---|---|---|---|---|
| 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 |
| 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 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8070965B2 (en) * | 2007-04-18 | 2011-12-06 | Tarves Robert J Jun | Dual walled dynamic phase separator |
-
2011
- 2011-12-20 CN CN201110431018.3A patent/CN102493796B/en active Active
Patent Citations (7)
| 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 |
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| 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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| CN102493796A (en) | 2012-06-13 |
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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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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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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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