Oil-gas separator for oil extraction

By introducing a sealing assembly of rubber sleeves and elastic blocks into the oil-gas separator used in oil production, combined with positioning columns and connecting components, the problem of gas leakage was solved, achieving better sealing effect and convenient disassembly and assembly process.

CN223908197UActive Publication Date: 2026-02-13SICHUAN KEHUA PETRO CHEM EQUIP & ENG
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Patent Information

Application Number
CN202520702608.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-15
Publication Date
2026-02-13
Estimated Expiration
2035-04-15

AI Technical Summary

Technical Problem

In existing oil and gas separators used in oil production, gas can easily leak out from the gap between the sealing cover and the separator shell, resulting in poor sealing performance.

Method used

The sealing assembly, which uses a rubber sleeve and elastic block, combined with positioning posts and connecting components, including a pull plate, moving rod, limiting plate, locking block and magnetic block, achieves a tight connection between the sealing cover and the separator housing through magnetic attraction, enhancing the sealing effect and simplifying the disassembly and assembly process.

Benefits of technology

It improves the sealing effect between the sealing cover and the separator housing, preventing gas leakage, and makes the installation and removal of the sealing cover more convenient.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of oil-gas separators, in particular to an oil-gas separator for oil extraction, which comprises a separator shell for separating crude oil from natural gas, a closed cover plate, a filter cartridge core and an exhaust port, the top of the separator shell is tightly attached to a sealing cover plate with the bottom arranged annularly, an exhaust port is formed in the top of the sealing cover plate, a sealing assembly is arranged at the bottom of the sealing cover plate and comprises a rubber sleeve, a through hole and an elastic block, and the rubber sleeve is fixedly connected to the outer side, arranged annularly, of the bottom of the sealing cover plate. A through hole is formed in the rubber sleeve, and an elastic block with an elliptical section is arranged in the through hole, the sealing effect between the separator shell and the sealing cover plate is improved through the arranged sealing assembly, gas is not prone to leaking out from a gap, and the convenience degree of disassembly and assembly of the sealing cover plate is improved through the arranged connecting assembly.
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Description

TECHNICAL FIELD

[0001] The utility model relates to oil and gas separator technical field, specifically is an oil and gas separator for oil production. BACKGROUND

[0002] In the oil production process, oil and gas separator is usually used to separate crude oil and associated natural gas produced by oil well, and the oil and gas separator is a device separating crude oil and associated natural gas produced by oil well, which is arranged between the submersible centrifugal pump and the protector to separate the free gas in the well fluid from the well fluid, and the liquid is sent to the submersible centrifugal pump, and the gas is released to the tubing and casing annular space.

[0003] The patent with publication number CN212985187U discloses an oil and gas separator for oil well production, which comprises a separator shell, an oil and gas mixture inlet is arranged on the side wall of the separator shell, and a filter cartridge core is arranged in the separator shell.

[0004] However, the above-mentioned device is tightly attached between the closure cover plate and the separator shell during use, and since there is no sealing structure, the separated gas is prone to leak from the gap between the closure cover plate and the separator shell, thereby resulting in poor sealing effect in the separator shell. UTILITY MODEL CONTENT

[0005] The utility model aims at providing an oil and gas separator for oil production to solve the problem that gas is prone to leak from the gap between the closure cover plate and the separator shell.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0007] An oil and gas separator for oil production comprises a separator shell for separating crude oil and natural gas, a closure cover plate, a filter cartridge core, and an exhaust port, the filter cartridge core is installed at the top of the separator shell, the closure cover plate is tightly attached to the top of the separator shell, the bottom of the closure cover plate is annularly arranged, the exhaust port is arranged at the top of the closure cover plate, the bottom of the closure cover plate is provided with a sealing assembly, the sealing assembly comprises a rubber sleeve, a through hole, and an elastic block, the rubber sleeve is fixedly connected to the outside of the bottom of the closure cover plate which is annularly arranged, the through hole is arranged in the rubber sleeve, the elastic block with an elliptical cross section is arranged in the through hole, and a connecting assembly is arranged on one side of the separator shell and the closure cover plate.

[0008] Preferably, the bottom of the closure cover plate which is annularly arranged is fixedly connected with a plurality of positioning columns, and the positioning columns penetrate through the rubber sleeve.

[0009] Preferably, the connecting assembly comprises a pulling plate, a moving rod, a limiting plate, a clamping block, and a magnetic block, and recesses are arranged on one side of the separator shell and the closure cover plate.

[0010] Preferably, the groove on one side of the separator housing is slidably connected with a limiting plate, one side of the limiting plate is fixedly connected with a moving rod, one side of the moving rod is fixedly connected with a pulling plate, one side of the pulling plate is fixedly connected with a clamping block.

[0011] Preferably, the clamping block is tightly fitted in the groove in the closing cover plate, and the limiting plate, the separator housing, the closing cover plate and the clamping block are all provided with magnetic blocks.

[0012] Compared with the prior art, the separator housing, the closing cover plate, the filter cartridge core, the exhaust port, the positioning column, the sealing assembly, the rubber sleeve, the through hole and the elastic block are arranged, the positioning column has a positioning effect when the closing cover plate is installed, the rubber sleeve between the separator housing and the closing cover plate increases the sealing effect of the gap therebetween, so that the gas is not easy to leak out from the gap between the separator housing and the closing cover plate, and since the rubber sleeve is pressed between the separator housing and the closing cover plate for a long time, the through hole and the elastic block are used in cooperation, the elasticity of the rubber sleeve is increased, and compared with the prior art in which the separator housing and the closing cover plate are connected through bolts, the structure makes the disassembly and assembly process of the separator housing and the closing cover plate more convenient and fast.

[0013] In the separator housing, the closing cover plate, the filter cartridge core, the exhaust port, the positioning column, the sealing assembly, the rubber sleeve, the through hole and the elastic block are arranged, the positioning column has a positioning effect when the closing cover plate is installed, the rubber sleeve between the separator housing and the closing cover plate increases the sealing effect of the gap therebetween, so that the gas is not easy to leak out from the gap between the separator housing and the closing cover plate, and since the rubber sleeve is pressed between the separator housing and the closing cover plate for a long time, the through hole and the elastic block are used in cooperation, the elasticity of the rubber sleeve is increased, and compared with the prior art in which the separator housing and the closing cover plate are connected through bolts, the structure makes the disassembly and assembly process of the separator housing and the closing cover plate more convenient and fast. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a whole structure schematic view of the utility model;

[0015] Figure 2 It is a structure schematic view of A of the utility model; Figure 1

[0016] Figure 3 It is a rubber sleeve installation structure schematic view of the utility model.

[0017] In the figure: 1, separator housing; 2, closing cover plate; 3, filter cartridge core; 4, exhaust port; 5, positioning column; 6, sealing assembly; 61, rubber sleeve; 62, through hole; 63, elastic block; 7, connecting assembly; 71, pulling plate; 72, moving rod; 73, limiting plate; 74, clamping block; 75, magnetic block; 8, groove. PREFERRED EMBODIMENT

[0018] ​With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described, obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0019] It is to be noted that the terms used herein are only for the purpose of describing specific embodiments, and are not intended to limit the exemplary embodiments according to the present application. As used herein, the singular form is intended to include the plural form, unless the context clearly indicates otherwise, and furthermore, it should be understood that when the terms "comprise" and / or "include" are used in the specification, there is a feature, step, operation, device, component and / or combination thereof.

[0020] Please refer to Figures 1-3 The present application provides a technical scheme:

[0021] An oil and gas separator for oil extraction, comprising a separator housing 1 for separating crude oil and natural gas, a closure cover plate 2, a filter cartridge core 3 and an exhaust port 4, the filter cartridge core 3 is installed at the top of the separator housing 1, the closure cover plate 2 is tightly fitted at the top of the separator housing 1, the bottom of the closure cover plate 2 is annularly arranged, the exhaust port 4 is arranged at the top of the closure cover plate 2, the sealing assembly 6 is arranged at the bottom of the closure cover plate 2, the sealing assembly 6 comprises a rubber sleeve 61, a through hole 62 and an elastic block 63, the rubber sleeve 61 is fixedly connected to the outside of the closure cover plate 2, the through hole 62 is arranged in the rubber sleeve 61, the elastic block 63 is arranged in the through hole 62, the cross section of the elastic block 63 is elliptical, the connection assembly 7 is arranged on one side of the separator housing 1 and the closure cover plate 2, the sealing assembly 6 is arranged to increase the sealing effect between the separator housing 1 and the closure cover plate 2, so that the gas is not easy to leak from the gap, the connection assembly 7 is arranged to improve the convenience of disassembling the closure cover plate 2.

[0022] The bottom of the closure cover plate 2 is fixedly connected with a plurality of positioning columns 5 arranged in a ring shape, the positioning columns 5 penetrate the rubber sleeve 61, so that the closure cover plate 2 has a positioning effect when installed; the connecting assembly 7 includes a pulling plate 71, a moving rod 72, a limiting plate 73, a clamping block 74 and a magnetic block 75, the separator shell 1 and one side of the closure cover plate 2 are both provided with a groove 8, which facilitates the installation of the closure cover plate 2; the limiting plate 73 is slidably connected in the groove 8 provided on one side of the separator shell 1, one side of the limiting plate 73 is fixedly connected with the moving rod 72, one side of the moving rod 72 is fixedly connected with the pulling plate 71, and one side of the pulling plate 71 is fixedly connected with the clamping block 74, which facilitates the movement of the limiting plate 73 and the clamping block 74; the clamping block 74 is tightly fitted in the groove 8 provided in the closure cover plate 2, and the limiting plate 73, the separator shell 1, the closure cover plate 2 and the clamping block 74 are all provided with the magnetic block 75, which facilitates the magnetic attraction fixing of the limiting plate 73 and the clamping block 74.

[0023] Workflow: When the oil paint separator for oil extraction is used, first, place the separator shell 1 in the appropriate position, and the specific use mode of the separator shell 1, the closure cover plate 2, the filter cartridge core 3 and the exhaust port 4 refers to the oil and gas separator for oil extraction of an oil well disclosed in patent No. CN212985187U. The rubber sleeve 61 fixed outside the ring-shaped arrangement at the bottom of the closure cover plate 2 is squeezed between the separator shell 1 and the closure cover plate 2, the rubber sleeve 61 arranged in elasticity and flexibility fills the gap between the separator shell 1 and the closure cover plate 2, so that the gas is not easy to leak from the gap, thereby increasing the sealing effect between the separator shell 1 and the closure cover plate 2. When the closure cover plate 2 needs to be removed, the user holds the pulling plate 71 and pulls it outward, which drives the moving rod 72 and the clamping block 74 to slide in the groove 8 provided in the separator shell 1 and the groove 8 provided in the closure cover plate 2 respectively, the moving rod 72 drives the limiting plate 73 to move in the same direction, at this time, the magnetic block 75 in the limiting plate 73 gradually moves away from the magnetic block 75 in the separator shell 1, the magnetic block 75 in the clamping block 74 gradually moves away from the magnetic block 75 in the closure cover plate 2, until the clamping block 74 completely moves away from the closure cover plate 2, then hold the closure cover plate 2 and move it upward, which drives the positioning columns 5 to gradually move away from the separator shell 1, until it is removed, reverse operation can be installed, after installation, the magnetic attraction force is generated between the magnetic block 75 in the limiting plate 73 and the magnetic block 75 in the separator shell 1, and the magnetic attraction force is generated between the magnetic block 75 in the clamping block 74 and the magnetic block 75 in the closure cover plate 2, which simply fixes the installed closure cover plate 2, through the sealing assembly 6 arranged, the sealing effect between the separator shell 1 and the closure cover plate 2 is increased, so that the gas is not easy to leak from the gap, through the connecting assembly 7 arranged, the convenience degree of disassembly and assembly of the closure cover plate 2 is improved.

[0024] The contents not described in detail in the specification belong to the prior art known to the person skilled in the art. The standard parts used in the utility model can be purchased from the market, and the special-shaped parts can be ordered according to the description and the drawings, the specific connection mode of each part adopts the conventional means such as bolt, rivet and welding in the prior art, the machinery, parts and equipment adopt the conventional type in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, which will not be described in detail here.

[0025] Although the embodiments of the utility model have been shown and described, it can be understood by those of ordinary skill in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. An oil and gas separator for oil production, comprising a separator housing (1) for separating crude oil and natural gas, a closure cover (2), a filter cartridge core (3) and a gas outlet (4), characterized in that: The separator shell (1) is provided with a filter cartridge core (3) on the top, and the top of the separator shell (1) is tightly fitted with a closed cover plate (2) with a ring-shaped bottom, the top of the closed cover plate (2) is provided with an exhaust port (4), the bottom of the closed cover plate (2) is provided with a sealing assembly (6), the sealing assembly (6) includes a rubber sleeve (61), a through hole (62) and an elastic block (63), the rubber sleeve (61) is fixedly connected to the outside of the ring-shaped bottom of the closed cover plate (2), the through hole (62) is formed in the rubber sleeve (61), and the elastic block (63) with an elliptical cross section is arranged in the through hole (62), and one side of the separator shell (1) and the closed cover plate (2) is provided with a connecting assembly (7).

2. An oil and gas separator for use in oil production according to claim 1, characterized in that: The closed cover plate (2) is fixedly connected with a plurality of positioning columns (5) on the ring-shaped bottom, and the positioning columns (5) penetrate through the rubber sleeve (61).

3. An oil and gas separator for use in oil production as claimed in claim 1, characterized in that: The connecting assembly (7) includes a pulling plate (71), a moving rod (72), a limiting plate (73), a clamping block (74) and a magnetic block (75), and the separator shell (1) and the closed cover plate (2) are both provided with a groove (8) on one side.

4. An oil and gas separator for use in oil production as claimed in claim 1, characterized in that: The limiting plate (73) is slidably connected in the groove (8) formed on one side of the separator shell (1), one side of the limiting plate (73) is fixedly connected with the moving rod (72), one side of the moving rod (72) is fixedly connected with the pulling plate (71), and one side of the pulling plate (71) is fixedly connected with the clamping block (74).

5. An oil and gas separator for use in oil production according to claim 4, characterized in that: The clamping block (74) is tightly fitted with the groove (8) formed in the closed cover plate (2), the limiting plate (73), the separator shell (1), the closed cover plate (2) and the clamping block (74) are all provided with the magnetic block (75).

Citation Information

Patent Citations

  • Oil-gas separator for oil extraction of oil well

    CN212985187U