CN114482976A - High-efficiency horizontal three-phase separator - Google Patents

High-efficiency horizontal three-phase separator Download PDF

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Publication number
CN114482976A
CN114482976A CN202210127320.8A CN202210127320A CN114482976A CN 114482976 A CN114482976 A CN 114482976A CN 202210127320 A CN202210127320 A CN 202210127320A CN 114482976 A CN114482976 A CN 114482976A
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cavity
pipe
oil
fixed
phase separator
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Pending
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CN202210127320.8A
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Chinese (zh)
Inventor
姚茜茜
李长俊
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Southwest Petroleum University
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Southwest Petroleum University
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Priority to CN202210127320.8A priority Critical patent/CN114482976A/en
Publication of CN114482976A publication Critical patent/CN114482976A/en
Pending legal-status Critical Current

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    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B43/00Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
    • E21B43/34Arrangements for separating materials produced by the well
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D19/00Degasification of liquids
    • B01D19/0005Degasification of liquids with one or more auxiliary substances
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D19/00Degasification of liquids
    • B01D19/0042Degasification of liquids modifying the liquid flow
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D35/00Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
    • B01D35/06Filters making use of electricity or magnetism
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D35/00Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
    • B01D35/16Cleaning-out devices, e.g. for removing the cake from the filter casing or for evacuating the last remnants of liquid
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D36/00Filter circuits or combinations of filters with other separating devices
    • B01D36/001Filters in combination with devices for the removal of gas, air purge systems
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D36/00Filter circuits or combinations of filters with other separating devices
    • B01D36/003Filters in combination with devices for the removal of liquids
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D36/00Filter circuits or combinations of filters with other separating devices
    • B01D36/04Combinations of filters with settling tanks
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B43/00Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
    • E21B43/34Arrangements for separating materials produced by the well
    • E21B43/35Arrangements for separating materials produced by the well specially adapted for separating solids

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Fluid Mechanics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Water Supply & Treatment (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

The invention discloses a high-efficiency horizontal three-phase separator in the technical field of oil-gas-water three-phase separators, which comprises a sealed box body, a partition plate, a liquid inlet pipe, a liquid outlet pipe with an electromagnetic valve, a pore plate, a guide plate, a baffle plate, a sealing door, a filter screen, a gradient pipe, fan blades, a transmission shaft, a motor, a volute impeller assembly, a telescopic conveying mechanism, an oil outlet collecting pipe and an electrostatic coalescence electrode, wherein an oil-gas-liquid mixture is input through the liquid inlet pipe, the mixture is rectified and diffused through the guide plate to increase the contact area between the mixture and the baffle plate, airflow can be sucked into the gradient pipe by the rotating fan blades to be discharged under the blockage of a plurality of baffle plates, liquid impacts on the surface of the baffle plate, flows onto the pore plate along the surface of the baffle plate and finally flows to the bottoms of cavities at two sides, silt in the cavity at the left side is cleaned by opening the sealing door and detaching the pore plate, and the operation is convenient; the device adopts horizontal design, and space height occupies for a short time, and the separation effect is better, has the practicality.

Description

High-efficiency horizontal three-phase separator
Technical Field
The invention relates to the technical field of oil-gas-water three-phase separators, in particular to a high-efficiency horizontal three-phase separator.
Background
The oil-gas-water three-phase separator is one of the most common devices in the oil field development and production process. An existing oil-gas-water three-phase separator is generally shown in a method for separating oil, gas and water by using an oil-gas-water horizontal three-phase separator disclosed in CN107737466B, the three-phase separator comprises a horizontal tank body, a separation plate is arranged in an inner cavity of the horizontal tank body, a buffer is arranged below an inlet pipe on the separation plate, a down-flow pipe is arranged below an air outlet pipe, and an air lift pipe is upwards arranged between the buffer and the down-flow pipe. The part of the inner cavity of the horizontal tank body, which is positioned above the upper liquid layer of the partition plate, is a gas phase area, the part, which is positioned below the partition plate and between the overflow plate and the second seal head, is an oil-water separation area, and the part, which is positioned below the partition plate and between the overflow plate and the first seal head, is an oil phase area. This three-phase separator is used for the separation of low gas-liquid ratio oil gas water mixture in oil gas field oil gas processing field or other fields, but in actual separation process, carry the silt particle in the mixed liquid that oil field oil water well was adopted, when oil gas water three-phase separator separates mixed liquid, the silt particle can deposit in the bottom of oil gas water three-phase separator, present oil gas water three-phase separator is mostly the integral type structure setting simultaneously, be not convenient for the later stage to clear up the silt particle, the oil gas water three-phase separator of convenient clearance silt particle of urgent need design in the actual oil field development, based on this, the high-efficient horizontal three-phase separator of this invention has been designed, in order to solve above-mentioned problem.
Disclosure of Invention
The invention aims to provide an efficient horizontal three-phase separator to solve the problem that an oil-gas-water three-phase separator which is convenient for cleaning mud and sand needs to be designed in actual oil field development in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: the high-efficiency horizontal three-phase separator comprises a sealed box body, wherein a partition plate is arranged above the middle part of an inner cavity of the sealed box body, the sealed box body is divided into a left cavity and a right cavity which are communicated by the partition plate, a liquid inlet pipe is arranged above the outer side of the left cavity, a liquid outlet pipe with an electromagnetic valve is arranged below the outer side of the right cavity, a pore plate is detachably arranged in the middle of the left cavity, a guide plate is fixed on the left side above the left cavity, a plurality of baffle plates are alternately and fixedly connected on the right side above the left cavity, a sealing door is arranged below the rear part of the left cavity, a filter screen is fixed at the bottom of the partition plate, a gradual change pipe is vertically arranged on the right side of the top of the left cavity in a penetrating mode, fan blades are coaxially and rotatably arranged in the inner cavity of the gradual change pipe, and a transmission shaft connected with the fan blades through a bevel gear pair is rotatably arranged on the side wall of the gradual change pipe, the electric oil separator is characterized in that a motor and a scroll impeller assembly are installed on the right side of the top of the sealing box body, a motor shaft of the motor is connected with a transmission shaft and a wheel shaft of the scroll impeller assembly through a bevel gear pair, a liquid inlet end of the scroll impeller assembly is connected with a telescopic conveying mechanism which penetrates through and is fixed on the right side of the top of the cavity, the bottom of the telescopic conveying mechanism is communicated and fixed with an oil outlet collecting pipe, and a pair of electrostatic coalescence electrodes is inserted in parallel above the cavity through an insulating porcelain pipe on the right side of the cavity.
Preferably, the bottom of the cavity on the right side is provided with an oil inlet distributor facing the filter screen.
Preferably, an observation window is embedded and fixed in the surface of the sealing door through the through groove.
Preferably, the guide plate is including crisscross interval first triangular prism and the second triangular prism of fixing setting in the same direction as falling, adjacent two be fixed with slotted steel section between the rear side of second triangular prism, the rear side below of slotted steel section is provided with the sheared edge.
Preferably, scalable conveying mechanism includes the mounting panel, the left side of mounting panel is run through and is fixed with the connecting pipe, the vertical rotation in right side of mounting panel is installed and is taken drive arrangement's threaded rod thread bush subassembly, the thread bush bottom of threaded rod thread bush subassembly is fixed with the oil extraction collecting pipe outer wall, the bottom of connecting pipe communicates with each other with the oil extraction collecting pipe through the elasticity bellows and is connected.
Preferably, the driving device adopts a low-speed forward and reverse rotating motor or a rocking handle.
Compared with the prior art, the invention has the beneficial effects that: according to the invention, an oil-gas-liquid mixture is input through the liquid inlet pipe, and the mixture is rectified and diffused through the guide plate so as to increase the contact area between the mixture and the baffle plate, airflow can be sucked into the gradual change pipe by the rotating fan blades and discharged under the blocking of the plurality of baffle plates, liquid impacts the surface of the baffle plate and flows onto the pore plate along the surface of the baffle plate, and finally flows to the bottoms of the cavities at two sides, and silt in the cavity at the left side is cleaned by opening the sealing door and detaching the pore plate, so that the operation is convenient; utilize transformer and high-voltage line to supply power for static coalescence electrode at last, form adjustable electrostatic field between two static coalescence electrodes, receive the effect of electric field force, the water droplet in the water-containing oil is by polarization deformation, the coalescence subsides, the upper portion of right side cavity is fluid, fluid is taken out from the cavity through oil outlet collecting pipe cooperation volute impeller subassembly and scalable telescopic machanism, the water that subsides is discharged through the drain pipe, the device adopts horizontal design, the space height occupies for a short time, the separation effect is better, has the practicality.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the baffle configuration of FIG. 1;
fig. 3 is a schematic view of the retractable conveyor mechanism of fig. 1.
In the drawings, the components represented by the respective reference numerals are listed below:
1-a sealed box body, 2-a partition plate, 3-a liquid inlet pipe, 4-a liquid outlet pipe, 5-a pore plate, 6-a guide plate, 7-a baffle plate, 8-a sealing door, 9-a gradual change pipe, 10-a fan blade, 11-a transmission shaft, 12-a motor, 13-a volute impeller component, 14-a telescopic conveying mechanism, 15-an oil outlet collecting pipe, 16-an electrostatic coalescence electrode, 17-a filter screen, 60-a first triangular prism, 61-a second triangular prism, 62-a channel steel section, 63-a shear port, 140-a mounting plate, 141-a connecting pipe, 142-a threaded rod threaded sleeve component and 143-an elastic corrugated pipe.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Referring to fig. 1, the present invention provides a technical solution: a high-efficiency horizontal three-phase separator comprises a sealed box body 1, a partition plate 2 is arranged above the middle part of an inner cavity of the sealed box body 1, the sealed box body 1 is divided into a left cavity and a right cavity which are communicated by the partition plate 2, a liquid inlet pipe 3 is arranged above the outer side of the left cavity, a liquid outlet pipe 4 with an electromagnetic valve is arranged below the outer side of the right cavity, the electromagnetic valve is powered by a manual switch and a wire and used for opening and discharging liquid, a pore plate 5 is detachably arranged at the middle part of the left cavity through a lug and a bolt, the lug is provided with two parts and fixed on two sides of the inner wall of the left cavity, the bolt and the pore plate 5 are positioned below the lug, a guide plate 6 is fixed on the left side above the left cavity, a plurality of baffle plates 7 are alternately and fixedly connected on the right side above the left cavity, a sealing door 8 is arranged below the rear part of the left cavity, an observation window is fixed on the surface of the sealing door 8 through a through groove, and the quantity of silt is convenient to know, the automatic cleaning device is convenient to clean in time, a filter screen 17 is fixed at the bottom of the partition board 2 and used for preventing silt from entering a right cavity, an oil inlet distributor is arranged at the bottom of the right cavity and is opposite to the filter screen 17, a plurality of groups of distribution holes are formed in the periphery of the oil inlet distributor, water-containing oil enters the right cavity through the distribution holes, the density of the oil is smaller than that of the water, the oil and the water are naturally separated under the action of gravity in the oil ascending process, a gradual change pipe 9 is vertically arranged on the right side of the top of the left cavity in a penetrating manner, fan blades 10 are coaxially and rotatably arranged in the inner cavity of the gradual change pipe 9, a transmission shaft 11 connected with the fan blades 10 through a bevel gear pair is rotatably arranged on the side wall of the gradual change pipe 9 in a penetrating manner, a motor 12 and a volute impeller assembly 13 are arranged on the right side of the top of the sealed box body 1, a motor shaft of the motor 12 is connected with the transmission shaft 11 and a wheel shaft of the volute impeller assembly 13 through the bevel gear pair, the motor 12 is also connected with a commercial power through a manual switch and a lead, the liquid inlet end of the volute impeller assembly 13 is connected with a telescopic conveying mechanism 14 which penetrates through and is fixed at the top of the right cavity, the bottom of the telescopic conveying mechanism 14 is communicated and fixed with an oil outlet collecting pipe 15, a pair of electrostatic coalescence electrodes 16 is inserted in the upper portion of the right cavity in parallel through an insulating ceramic pipe, the insulating ceramic pipe is inserted into a high-voltage wire, and the high-voltage wire is connected with a transformer and the electrostatic coalescence electrodes 16, so that an adjustable electric field is formed between the electrostatic coalescence electrodes 16.
Please refer to fig. 2, the guide plate 6 comprises a first triangular prism 60 and a second triangular prism 61 which are fixedly arranged in a forward and backward direction at staggered intervals, a groove steel section 62 is fixed between the rear sides of two adjacent second triangular prisms 61, a shear port 63 is arranged below the rear side of the groove steel section 62, the first triangular prism 60, the second triangular prism 61 and the groove steel section 62 are fixed on the inner wall of the left side of the sealed box body 1 and are attached to the upper surface of the pore plate 5, a channel is formed among the three, gas-liquid impact diffusion is achieved, and separation efficiency is improved.
Referring to fig. 3, the retractable conveying mechanism 14 includes a mounting plate 140, a connecting pipe 141 is fixedly penetrated through the left side of the mounting plate 140, a threaded rod and threaded sleeve assembly 142 with a driving device is vertically rotatably mounted on the right side of the mounting plate 140, the bottom of the threaded sleeve of the threaded rod and threaded sleeve assembly 142 is fixed to the outer wall of the oil outlet collecting pipe 15, the bottom of the connecting pipe 141 is connected to the oil outlet collecting pipe 15 through an elastic bellows 143, the driving device adopts a low-speed forward and reverse rotation motor or a rocking handle, the threaded rod and threaded sleeve assembly 142 is extended and retracted through the driving device, a liquid inlet hole of the oil outlet collecting pipe 15 can be inserted into an oil layer, the motor 12 drives the volute impeller assembly 13 to work, and the elastic bellows 143 cooperates with the connecting pipe 141 to draw out the oil layer.
When the high-efficiency horizontal three-phase separator is used: firstly, a motor 12 is electrified, an oil-gas-liquid mixture is input into a left cavity through a liquid inlet pipe 3, the mixture is rectified and diffused through a guide plate 6 to increase the contact area between the mixture and a baffle plate 7, airflow can be sucked into a gradual change pipe 9 and discharged under the blocking of a plurality of baffle plates 7 by rotating fan blades 10, wherein the fan blades 10 are connected with the motor 12 through a transmission shaft 11 and a bevel gear pair for driving, according to the principle of gas-liquid baffling separation, the movement direction of the liquid is not easy to change due to large mass and inertia, further, the liquid impacts the surface of the baffle plate 7 and flows onto a pore plate 5 along the surface of the baffle plate 7 and finally flows to the bottom of the cavities at two sides, silt in the left cavity is cleaned by opening a sealing door 8 and detaching the pore plate 5, finally, a transformer and a high-voltage wire are used for supplying power to an electrostatic coalescence electrode 16, and an adjustable electrostatic field is formed between the two electrostatic coalescence electrodes 16, under the action of an electric field force, water drops in the water-containing oil are polarized and deformed, coalesced and settled, oil is arranged at the upper part of the cavity at the right side, the oil is pumped out of the cavity through an oil outlet collecting pipe 15 in cooperation with a volute impeller assembly 13 and a telescopic mechanism 14, and settled water is discharged through a liquid outlet pipe 4.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims (6)

1. High-efficient horizontal three-phase separator, including sealed box (1), its characterized in that: a partition board (2) is arranged above the middle part of an inner cavity of the sealed box body (1), the partition board (2) divides the sealed box body (1) into a left cavity and a right cavity which are communicated with each other, a liquid inlet pipe (3) is arranged above the outer side of the cavity on the left side, a liquid outlet pipe (4) with a solenoid valve is arranged below the outer side of the cavity on the right side, a pore plate (5) is detachably arranged in the middle of the cavity on the left side, a guide plate (6) is fixed on the left side above the cavity, a plurality of baffle plates (7) are alternately and fixedly connected on the right side above the cavity on the left side, a sealing door (8) is arranged below the rear part of the cavity on the left side, a filter screen (17) is fixed at the bottom of the partition board (2), a gradual change pipe (9) is vertically arranged on the right side of the top of the cavity on the left side in a penetrating manner, and fan blades (10) are coaxially and rotatably arranged in the inner cavity of the gradual change pipe (9), the lateral wall of gradual change pipe (9) rotates to run through and installs transmission shaft (11) of being connected through bevel gear pair and flabellum (10), motor (12) and volute impeller subassembly (13) are installed on the top right side of seal box (1), the motor shaft of motor (12) passes through the shaft connection of bevel gear pair with transmission shaft (11) and volute impeller subassembly (13), the feed liquor end of volute impeller subassembly (13) is connected with and runs through to be fixed on the right side scalable conveying mechanism (14) at cavity top, the bottom of scalable conveying mechanism (14) communicates with each other and is fixed with out oil collecting pipe (15), the right side the top of cavity is parallel to be pegged graft through insulating porcelain tube and is had a pair of static coalescence electrode (16).
2. The high efficiency horizontal three phase separator according to claim 1, wherein: and an oil inlet distributor is arranged at the bottom of the cavity on the right side and is opposite to the filter screen (17).
3. The high efficiency horizontal three phase separator according to claim 1, wherein: an observation window is embedded and fixed in the surface of the sealing door (8) through the through groove.
4. The high efficiency horizontal three phase separator according to claim 1, wherein: guide plate (6) are including crisscross interval first triangular prism (60) and second triangular prism (61) of reversing the fixed setting, adjacent two be fixed with slotted steel section (62) between the rear side of second triangular prism (61), the rear side below of slotted steel section (62) is provided with shear-cut (63).
5. The high efficiency horizontal three phase separator according to claim 1, wherein: scalable conveying mechanism (14) include mounting panel (140), the left side of mounting panel (140) is run through and is fixed with connecting pipe (141), the vertical rotation in right side of mounting panel (140) is installed threaded rod thread bush subassembly (142) of taking drive arrangement, the thread bush bottom and the oil outlet collecting pipe (15) outer wall of threaded rod thread bush subassembly (142) are fixed, the bottom of connecting pipe (141) communicates with each other through elasticity bellows (143) and oil outlet collecting pipe (15) and is connected.
6. The high efficiency horizontal three phase separator according to claim 5, wherein: the driving device adopts a low-speed forward and reverse rotating motor or a rocking handle.
CN202210127320.8A 2022-02-11 2022-02-11 High-efficiency horizontal three-phase separator Pending CN114482976A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117379835A (en) * 2023-10-19 2024-01-12 山东明合地热能源开发有限公司 Self-adjusting oil-gas-water three-phase separator

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117379835A (en) * 2023-10-19 2024-01-12 山东明合地热能源开发有限公司 Self-adjusting oil-gas-water three-phase separator
CN117379835B (en) * 2023-10-19 2024-03-12 山东明合地热能源开发有限公司 Self-adjusting oil-gas-water three-phase separator

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Application publication date: 20220513