CN111778066B - Oil-water pre-separation device based on oilfield associated gas self-air flotation and treatment method - Google Patents
Oil-water pre-separation device based on oilfield associated gas self-air flotation and treatment method Download PDFInfo
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- CN111778066B CN111778066B CN202010641673.0A CN202010641673A CN111778066B CN 111778066 B CN111778066 B CN 111778066B CN 202010641673 A CN202010641673 A CN 202010641673A CN 111778066 B CN111778066 B CN 111778066B
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G33/00—Dewatering or demulsification of hydrocarbon oils
- C10G33/06—Dewatering or demulsification of hydrocarbon oils with mechanical means, e.g. by filtration
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G2300/00—Aspects relating to hydrocarbon processing covered by groups C10G1/00 - C10G99/00
- C10G2300/10—Feedstock materials
- C10G2300/1033—Oil well production fluids
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G2300/00—Aspects relating to hydrocarbon processing covered by groups C10G1/00 - C10G99/00
- C10G2300/20—Characteristics of the feedstock or the products
- C10G2300/201—Impurities
- C10G2300/208—Sediments, e.g. bottom sediment and water or BSW
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Abstract
The invention relates to the technical field of oil-water separation of oil well produced liquid, in particular to an oil-water pre-separation device and a treatment method based on self-air floatation of oilfield associated gas. The invention fully utilizes the associated gas in the oil well produced liquid as an air flotation gas source, accelerates the separation of crude oil and produced water, realizes the uniform escape of the associated gas in a liquid phase through the liquid distribution device, forms an effective air flotation effect, reduces the size of equipment, reduces the investment cost, improves the oil-water separation efficiency under the condition of not arranging external facilities, achieves the expected separation effect, and has wide application prospect and great market potential.
Description
Technical Field
The invention relates to the technical field of oil-water separation of oil well produced liquid, in particular to an oil-water pre-separation device and a treatment method based on self-air flotation of oilfield associated gas.
Background
At present, the oil-water separation of oil field produced liquid at home and abroad mainly adopts gravity settling or centrifugation, cyclone separation and other methods, associated gas in the produced liquid is separated before the oil-water separation, the oil-water separation process is carried out in a pure liquid phase chamber, the separation is generally carried out by the gravity settling or the centrifugation and cyclone separation methods, and the oil and water are required to have certain density difference, the gravity settling has the defects of long time, low separation efficiency and large equipment volume, and the centrifugation and cyclone separation have the defects of large influence caused by the change of the liquid volume, so the application is limited to a certain extent.
Disclosure of Invention
The invention provides an oil-water pre-separation device based on self-air flotation of oilfield associated gas and a treatment method, overcomes the defects of the prior art, and can effectively solve the problems of long separation time and low efficiency caused by partial gravity settling separation of the conventional oil-water separation device and the problem of small application range caused by the restriction of the liquid quantity caused by partial centrifugation and cyclone separation.
One of the technical schemes of the invention is realized by the following measures: an oil-water preseparation device based on self-air floatation of oilfield associated gas comprises a tank body, the interior of the tank body is sequentially divided into a pretreatment cavity, a gravity settling separation cavity and a crude oil buffer cavity which are communicated with each other from left to right, a baffle I which respectively enables the pretreatment cavity to be communicated with the upper part and the lower part of the gravity settling separation cavity is arranged between the pretreatment cavity and the gravity settling separation cavity, the front side and the rear side of the baffle I are respectively and fixedly installed with the inner wall of the front side and the inner wall of the rear side of the left part of the tank body, a liquid distribution device which can realize uniform liquid distribution is fixedly installed at the lower part of the pretreatment cavity, a liquid inlet pipe communicated with the liquid distribution device is arranged on the tank body, a liquid level stabilizing device is arranged in the pretreatment cavity above the liquid distribution device and not exceeding the baffle I, a baffle II which enables the gravity settling separation cavity to be communicated with the upper part of the crude oil buffer cavity is arranged between the gravity settling separation cavity and the crude oil buffer cavity, at least one oil-water separation device is arranged in the gravity settling separation cavity, the oil-water separation device is fixedly installed on the inner wall of the top of the tank body, a water collecting pipe is arranged on the lower portion of the gravity settling separation cavity, which is close to the position between the oil-water separation device on the rightmost side and the baffle II, a water outlet pipe communicated with the outer side of the bottom of the tank body is fixedly communicated with the water collecting pipe, an oil outlet is formed in the bottom of the tank body of the crude oil buffer cavity, and an air outlet is formed in the top of the tank body of the crude oil buffer cavity.
The following is a further optimization or/and improvement of one of the above-mentioned technical solutions of the invention:
the middle part of the gravity settling separation cavity corresponding to the upper part of the water collecting pipe is provided with an emulsion collecting pipe, the outer wall of the tank body positioned below the emulsion collecting pipe is provided with an emulsion overflow hole, an emulsion discharge pipe is fixedly communicated between the emulsion overflow hole and the emulsion collecting pipe, and the tank body corresponding to the emulsion collecting pipe is provided with at least two emulsion sampling ports.
The liquid distribution device comprises a liquid distribution main pipe and liquid distribution branch pipes, a sand flushing port is formed in the lower portion of the left side of the tank body, the liquid distribution device is regularly flushed through the sand flushing port, a liquid outlet of the liquid distribution device is prevented from being blocked by silt, the left side of the liquid distribution main pipe and the sand flushing port are fixedly communicated, the right side of the liquid distribution main pipe is fixedly installed on a baffle plate, the liquid distribution main pipe is provided with at least one liquid distribution branch pipe in a left-right interval distribution mode, each liquid distribution branch pipe is front and rear horizontal penetrating and fixing the liquid distribution main pipe, and the front side and the rear side of each liquid distribution branch pipe are provided with liquid outlets.
The crude oil buffer cavity at the bottom of the tank body is internally provided with a liquid level meter, and the bottom of the tank body is provided with at least one drain outlet.
The top of the tank body is provided with a manual vent, a safety valve interface and at least one manhole.
The water collecting pipe and the emulsion collecting pipe are fixedly arranged at the bottom of the tank body through a supporting rod.
The second technical scheme of the invention is realized by the following measures: a treatment method based on an oil field associated gas self-floatation oil-water pre-separation device is characterized in that the separation of original micro oil drops which cannot be separated by gravity settling is realized by utilizing the air floatation action of associated gas in oil well produced liquid, and the treatment method is carried out according to the following method: the oilfield produced liquid enters a liquid distribution main pipe of a liquid distribution device from a liquid inlet pipe at the top of a tank body, and enters a pretreatment cavity from a liquid outlet on a liquid distribution branch pipe, associated gas in the produced liquid escapes from the liquid, crude oil with lower density floats upwards to realize pre-separation, when the liquid level exceeds a first baffle plate, the associated gas turns over the first baffle plate to enter a gravity settling separation cavity, further oil-water separation is realized through an oil-water separation device, an oil layer is on the top, a water layer is on the bottom, when the liquid level exceeds a second baffle plate, the crude oil turns over the second baffle plate to enter a crude oil buffer cavity, the crude oil on the upper layer enters the crude oil buffer cavity and is discharged from an oil outlet, the produced water on the lower layer is collected through a water collecting pipe and is discharged through a water outlet pipe, and the gas in the tank body is discharged through a gas outlet.
The invention fully utilizes the associated gas in the oil well produced liquid as an air flotation gas source, accelerates the separation of crude oil and produced water, realizes the uniform escape of the associated gas in a liquid phase through the liquid distribution device, forms an effective air flotation effect, reduces the size of equipment, reduces the investment cost, improves the oil-water separation efficiency under the condition of not arranging external facilities, achieves the expected separation effect, and has wide application prospect and great market potential.
Drawings
Fig. 1 is a front perspective structural schematic diagram of embodiment 1 of the present invention.
Fig. 2 is a schematic top view of the liquid distribution device in fig. 1.
The codes in the figures are respectively: 1 is the preliminary treatment chamber, 2 is the gravity settling separation chamber, 3 is crude oil buffer chamber, 4 is the sand washing mouth, 5 is the oil-out, 6 is the liquid distribution person in charge, 7 is the branch pipe of liquid distribution, 8 is the through-hole, 9 is the feed liquor pipe, 10 is baffle one, 11 is the liquid outlet, 12 is the liquid level stabilising arrangement, 13 is baffle two, 14 is oil water separator, 15 is the collector pipe, 16 is the gas outlet, 17 is the outlet pipe, 18 is the emulsion collecting pipe, 19 is the emulsion overflow, 20 is the emulsion discharge pipe, 21 is the emulsion sample connection, 22 is the bracing piece, 23 is the manhole, 24 is the level gauge, 25 is the drain, 26 is manual drain, 27 is the relief valve interface.
Detailed Description
The present invention is not limited by the following examples, and specific embodiments may be determined according to the technical solutions and practical situations of the present invention. The various chemical reagents and chemical articles mentioned in the invention are all the chemical reagents and chemical articles which are well known and commonly used in the prior art, unless otherwise specified; the percentages in the invention are mass percentages unless otherwise specified; the solution in the present invention is an aqueous solution in which the solvent is water, for example, a hydrochloric acid solution is an aqueous hydrochloric acid solution, unless otherwise specified; the normal temperature and room temperature in the present invention generally mean a temperature of 15 ℃ to 25 ℃, and are generally defined as 25 ℃.
The invention is further described below with reference to the following examples:
example 1: as shown in the attached figure 1, the oil-water pre-separation device based on self-air floatation of oilfield associated gas comprises a tank body, the interior of the tank body is sequentially divided into a pretreatment cavity 1, a gravity settling separation cavity 2 and a crude oil buffer cavity 3 which are communicated with each other from left to right, a baffle plate I10 which respectively enables the pretreatment cavity 1 to be communicated with the upper portion and the lower portion of the gravity settling separation cavity 2 is arranged between the pretreatment cavity 1 and the gravity settling separation cavity 2, the front side and the rear side of the baffle plate I10 are respectively fixedly installed with the inner wall of the front side and the inner wall of the rear side of the left portion of the tank body, a liquid distribution device is fixedly installed at the lower portion of the pretreatment cavity 1, a liquid inlet pipe 9 communicated with the liquid distribution device is arranged on the tank body, a liquid level stabilizing device 12 is arranged in the pretreatment cavity 1 above the liquid distribution device and not beyond the baffle plate 10, the liquid level stabilizing device 12 is fixedly installed between the inner wall of the left side of the tank body and the baffle plate I10, and a liquid level stabilizing device 2 is arranged between the gravity settling separation cavity 2 and the crude oil buffer cavity 3, and the crude oil buffer cavity 3 are communicated with the upper portion of the gravity settling separation cavity 2 The second baffle 13, at least one oil-water separation device 14 is arranged in the gravity settling separation cavity 2, the oil-water separation device 14 is fixedly installed on the inner wall of the top of the tank body, a water collecting pipe 15 is arranged at the lower part of the gravity settling separation cavity 2 between the oil-water separation device 14 which is close to the rightmost side and the second baffle 13, a water outlet pipe 17 communicated with the outer side of the bottom of the tank body is fixedly communicated with the water collecting pipe 15, an oil outlet 5 is arranged at the bottom of the tank body of the crude oil buffer cavity 3, and an air outlet 16 is arranged at the top of the tank body of the crude oil buffer cavity 3.
The invention fully utilizes the associated gas in the oil well produced liquid as an air flotation gas source, utilizes the escape process of the associated gas in the liquid phase, and the escape process can carry the crude oil with lower density in the liquid phase, accelerate the separation of the crude oil and the produced water, is beneficial to the floating separation of oil drops with smaller diameters, increases the probability of collision and aggregation among the oil drops, shortens the separation time and improves the oil-water separation efficiency.
The invention fully utilizes the physical action of the escape process in the separation process of the associated gas and the liquid phase, and then the produced liquid is uniformly arranged in the tank body through the liquid distribution device, so that the uniform escape of the associated gas in the liquid phase is realized, an effective air floatation effect is formed, and the micro oil drops which cannot be separated originally by gravity settling can be separated by utilizing the air floatation effect, so that the water content of the oil discharged from the oil-water separation device is reduced, and the treatment effect of the oil-water separation device can be effectively improved.
Compared with the existing oil-water separation device adopting a gravity settling separation mode, the invention can greatly improve the oil-water separation efficiency, reduce the equipment size and improve the separation effect of the oil-water separation device; compared with the existing oil-water separation device adopting a centrifugal separation mode and a cyclone separation mode, the invention does not need to add related equipment and facilities outside, is not influenced by the change of liquid volume, and has convenient operation and simple structure; the device can effectively solve the problems of long separation time and low efficiency of part of the existing oil-water separation devices due to gravity settling separation and the problem of small application range of part of the existing oil-water separation devices due to liquid quantity regulation by centrifugal cyclone separation.
The pretreatment cavity and the gravity settling separation cavity are communicated with each other, so that carried silt is prevented from depositing in the pretreatment cavity.
The liquid surface stabilizing device 12 can adopt a screen or other well-known liquid surface stabilizing devices, and the liquid surface stabilizing device 12 can prevent the fluctuation of the liquid level in the pre-separation cavity 1 caused by the escape process of associated gas in produced liquid.
The oil-water separator 14 may be an oil-water separator or other well-known oil-water separator.
The oil-water pre-separation device based on the self-air-flotation of the oilfield associated gas can be further optimized or/and improved according to actual needs:
as shown in the attached figure 1, an emulsion collecting pipe 18 is arranged in the middle of the gravity settling separation chamber 2 above the corresponding water collecting pipe 15, an emulsion overflow hole 19 is arranged on the outer wall of the tank body below the emulsion collecting pipe 18, an emulsion discharge pipe 20 is fixedly communicated between the emulsion overflow hole 19 and the emulsion collecting pipe 18, and at least two emulsion sampling ports 21 are arranged on the tank body corresponding to the emulsion collecting pipe 18.
The oil well produced liquid can generate partial emulsion in the oil-water separation process, the emulsion is positioned between an oil layer and a water layer, the position of the emulsion is observed through an emulsion sampling port 21, and the emulsion in the gravity settling separation cavity 2 is collected by an emulsion collecting pipe 18 and then is discharged through an emulsion discharge pipe 20.
As shown in the attached drawings 1 and 2, the liquid distribution device comprises a liquid distribution main pipe 6 and liquid distribution branch pipes 7, a sand washing port 4 is formed in the lower portion of the left side of the tank body, the left side of the liquid distribution main pipe 6 is fixedly communicated with the sand washing port 4, the right side of the liquid distribution main pipe 6 is fixedly installed on a baffle plate 10, at least one liquid distribution branch pipe 7 is distributed on the liquid distribution main pipe 6 at intervals from left to right, the front side and the rear side of each liquid distribution branch pipe 7 horizontally penetrate through and are fixed on the liquid distribution main pipe 6, and liquid outlets 11 are formed in the front side and the rear side of each liquid distribution branch pipe 7.
The sand washing port 4 arranged at the lower part of the left side of the tank body is in a sealed state in the actual oil-water separation process, and after the oil-water separation is finished, the liquid distribution device can be washed at regular time, so that the blockage of a liquid outlet 11 of the liquid distribution device due to the accumulation of silt is prevented.
As shown in attached figures 1 and 2, a through hole 8 is arranged on the liquid distribution device, and a liquid inlet pipe 9 is fixedly communicated between the through hole 8 and the outer side of the top of the tank body.
As shown in the attached figure 1, a liquid level meter 24 is arranged in the crude oil buffer cavity 3 at the bottom of the tank body, and at least one drain outlet 25 is arranged at the bottom of the tank body.
As shown in fig. 1, the top of the tank is provided with a manual vent 26, a safety valve interface 27 and at least one manhole 23.
As shown in the attached figure 1, the water collecting pipe 15 and the emulsion collecting pipe 18 are both fixedly arranged at the bottom of the tank body through a supporting rod 22.
Example 2: the treatment method based on the oilfield associated gas self-air-flotation oil-water pre-separation device utilizes the air flotation effect of the associated gas in the oil well produced liquid to separate the micro oil drops which cannot be separated originally by gravity settling, and is carried out according to the following method: oilfield produced liquid enters a liquid distribution main pipe 6 of a liquid distribution device from a liquid inlet pipe 9 at the top of a tank body, enters a pretreatment cavity 1 from a liquid outlet 11 on a liquid distribution branch pipe 7, associated gas in the produced liquid escapes from the liquid, crude oil with low density floats upwards to realize preseparation, when the liquid level exceeds a first baffle plate 10, the oil-water separation is realized through an oil-water separation device 14 after the oil-water separation device turns over the first baffle plate 10 and enters a gravity settling separation cavity 2, an oil layer is arranged above and a water layer is arranged below, when the liquid level exceeds a second baffle plate 13, the crude oil turns over the second baffle plate 13 and enters a crude oil buffer cavity 3, the crude oil on the upper layer enters the crude oil buffer cavity 3 and is discharged from an oil outlet 22, the produced water on the lower layer is collected through a water collecting pipe 15 and is discharged through a water outlet pipe 17, and the gas in the tank body is discharged through a gas outlet 23.
The oil field produced liquid can generate partial emulsion in the oil-water separation process, the emulsion is arranged between an oil layer and a water layer, the position of the emulsion is observed through an emulsion sampling port 21, and the emulsion in a gravity settling separation cavity 2 is collected through an emulsion collecting pipe 18 and then is discharged through an emulsion discharge pipe 20.
By adopting the treatment method in the embodiment 2, the water content of the produced oil is lower than 15%, and the water content of the produced oil obtained by the conventional oil-water separation device is 40-60%, so that compared with the conventional oil-water separation device, the method can obtain the produced oil with lower water content, and achieves the expected separation effect.
In conclusion, the invention fully utilizes the associated gas in the oil well produced liquid as the air flotation gas source, accelerates the separation of crude oil and produced water, and then realizes the uniform escape of the associated gas in the liquid phase through the liquid distribution device to form the effective air flotation function.
The technical characteristics form an embodiment of the invention, which has strong adaptability and implementation effect, and unnecessary technical characteristics can be increased or decreased according to actual needs to meet the requirements of different situations.
Claims (6)
1. An oil-water preseparation device based on self-air floatation of oilfield associated gas is characterized by comprising a tank body, wherein the interior of the tank body is sequentially divided into a pretreatment cavity, a gravity settling separation cavity and a crude oil buffer cavity which are communicated with each other from left to right, a baffle I which respectively enables the pretreatment cavity to be communicated with the upper part and the lower part of the gravity settling separation cavity is arranged between the pretreatment cavity and the gravity settling separation cavity, the front side and the rear side of the baffle I are respectively and fixedly installed with the inner wall of the front side and the inner wall of the rear side of the left part of the tank body, a liquid distribution device is fixedly installed at the lower part of the pretreatment cavity, a liquid inlet pipe communicated with the liquid distribution device is arranged on the tank body, a liquid level stabilizing device is arranged in the pretreatment cavity above the liquid distribution device and not exceeding the baffle I, a baffle II which enables the gravity settling separation cavity to be communicated with the upper part of the crude oil buffer cavity is arranged between the gravity settling separation cavity and the crude oil buffer cavity, at least one oil-water separation device is arranged in the gravity settling separation cavity, the oil-water separation device is fixedly arranged on the inner wall of the top of the tank body, a water collecting pipe is arranged at the lower part of the gravity settling separation cavity between the oil-water separation device at the rightmost side and the baffle II, a water outlet pipe communicated with the outer side of the bottom of the tank body is fixedly communicated on the water collecting pipe, an oil outlet is arranged at the bottom of the tank body of the crude oil buffer cavity, an air outlet is arranged at the top of the tank body of the crude oil buffer cavity, the liquid distribution device comprises a liquid distribution main pipe and a liquid distribution branch pipe, a sand washing port is arranged at the lower part of the left side of the tank body, the left side of the liquid distribution main pipe is fixedly communicated with the sand washing port, the right side of the liquid distribution main pipe is fixedly arranged on the first baffle plate, at least one liquid distribution branch pipe is distributed on the liquid distribution main pipe at intervals from left to right, the front side and the rear side of each liquid distribution branch pipe horizontally penetrate through and are fixed on the liquid distribution main pipe, and liquid outlets are arranged on the front side and the rear side of each liquid distribution branch pipe.
2. The oil-water preseparation device based on the self-air-flotation of the oilfield associated gas as claimed in claim 1, wherein the gravity settling separation chamber above the corresponding water collecting pipe is provided with an emulsion collecting pipe at the middle part, the outer wall of the tank body below the emulsion collecting pipe is provided with an emulsion overflow hole, an emulsion discharge pipe is fixedly communicated between the emulsion overflow hole and the emulsion collecting pipe, and the tank body corresponding to the emulsion collecting pipe is provided with at least two emulsion sampling ports.
3. The oil field associated gas self-air-floatation oil-water pre-separation device based on the claim 1 or 2 is characterized in that a liquid level meter is arranged in a crude oil buffer cavity at the bottom of the tank body, and at least one drain outlet is arranged at the bottom of the tank body.
4. The oilfield associated gas self-air-floatation oil-water pre-separation device based on the claim 1 or 2, wherein a manual vent, a safety valve interface and at least one manhole are arranged at the top of the tank body.
5. The oilfield associated gas self-air-floatation oil-water pre-separation device based on the claim 3, wherein a manual vent, a safety valve interface and at least one manhole are arranged at the top of the tank body.
6. The treatment method of the oil field associated gas self-floatation oil-water pre-separation device according to any one of claims 1 to 5, which utilizes the air floatation of associated gas in oil well produced liquid to separate micro oil drops which cannot be separated originally by gravity settling, and is characterized by comprising the following steps: the oilfield produced liquid enters a liquid distribution main pipe of a liquid distribution device from a liquid inlet pipe at the top of a tank body, and enters a pretreatment cavity from a liquid outlet on a liquid distribution branch pipe, associated gas in the produced liquid escapes from the liquid, crude oil with lower density floats upwards to realize pre-separation, when the liquid level exceeds a first baffle plate, the associated gas turns over the first baffle plate to enter a gravity settling separation cavity, further oil-water separation is realized through an oil-water separation device, an oil layer is on the top, a water layer is on the bottom, when the liquid level exceeds a second baffle plate, the crude oil turns over the second baffle plate to enter a crude oil buffer cavity, the crude oil on the upper layer enters the crude oil buffer cavity and is discharged from an oil outlet, the produced water on the lower layer is collected through a water collecting pipe and is discharged through a water outlet pipe, and the gas in the tank body is discharged through a gas outlet.
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| CN112337138A (en) * | 2020-11-02 | 2021-02-09 | 中国石油天然气集团有限公司 | Low-interfacial tension high-efficiency oil-gas-water separation method and device |
| CN112358891B (en) * | 2021-01-12 | 2021-04-13 | 森诺科技有限公司 | Double-layer cavity full-gravity-balance oil-gas-water treatment integrated device |
| CN112899021B (en) * | 2021-01-12 | 2022-07-01 | 森诺技术有限公司 | Full-gravity balance separation dehydration integrated device and crude oil treatment method |
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| CN207121579U (en) * | 2017-07-27 | 2018-03-20 | 方明环保科技(漳州)有限公司 | A kind of acusector breaking device for crude oil water-oil separating |
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