CN103657265B - A kind of accompanying gas with crude oil hypergravity separator - Google Patents
A kind of accompanying gas with crude oil hypergravity separator Download PDFInfo
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- CN103657265B CN103657265B CN201310671496.0A CN201310671496A CN103657265B CN 103657265 B CN103657265 B CN 103657265B CN 201310671496 A CN201310671496 A CN 201310671496A CN 103657265 B CN103657265 B CN 103657265B
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Abstract
The invention discloses a kind of accompanying gas with crude oil hypergravity separator, comprise housing, resolution gas outlet 9 is provided with at the top of housing, demister 8 is provided with on top, dividing plate 12 is provided with at middle part, the middle part of dividing plate arranges porose, liquid phase mozzle 11 is connected with at Kong Chu, dividing plate is provided with gas overflowing pipe 13, middle and lower part in housing is provided with gripper shoe 14, pipe 15 is let out under gripper shoe being provided with liquid, the middle part that power transmission shaft 10 runs through gripper shoe is connected with the lower surface at middle part of the revolving bed 6 being provided with filler 5, the bottom of gripper shoe is provided with ring-type liquid-phase collection storehouse 4, the diapire of housing is provided with liquid-phase outlet 3, dividing plate superjacent air space for resolve storehouse 7, crude oil heterogeneous fluid entrance 1 is tangentially provided with in housing sidewall, the sidewall of housing is provided with inertia for subsequent use and resolves gas access 2.Gas-liquid separation efficiency of the present invention is high, saves space, can realize skid, be convenient to the small oil field operation of offshore platform and dispersion.
Description
Technical field
The present invention relates to a kind of crude oil associated gas separator, specifically a kind of accompanying gas with crude oil hypergravity separation method and equipment.
Background technology
Associated gas is before recovery, and same crude oil, water and a small amount of solid impurity mix, and how effectively same for associated gas crude oil, water and a small amount of solid impurity to be separated is the first step that associated gas reclaims.Traditional production separator is separated under gravitational field, and separative efficiency is low, and disengaging time is long, and during for viscous crude, bubble Natural Ruptures required time is longer, bubble buoyance lift speed in viscous crude and special thick oil is slow, and oil gas separation is poor.For high acid gas-containing component associated gas, if adopt mixed defeated, so such associated gas will produce serious corrosion to feed-line.According to efficient separation equipment, associated gas is separated the corrosion that greatly will reduce oil transmission line.
Therefore, associated gas is efficiently separated, reduces high acid gas to the corrosion of mixed transporting tube line, reclaim associated gas, develop more efficient accompanying gas with crude oil separation method and device, all have important meaning for safe, the efficient conveying of oil gas and environmental protection and energy saving.
Summary of the invention
The object of the invention is to overcome that the separative efficiency that prior art exists is low, separation equipment is huge, viscous crude is difficult to the deficiency of the technology such as separation, provide a kind of can efficiently to the accompanying gas with crude oil hypergravity separator that accompanying gas with crude oil is separated.
Technical scheme of the present invention is summarized as follows:
A kind of accompanying gas with crude oil hypergravity separator, comprise housing, resolution gas outlet 9 is provided with at the top of housing, top in housing is provided with demister 8, middle part in housing is provided with dividing plate 12, the middle part of dividing plate arranges porose, liquid phase mozzle 11 is connected with at Kong Chu, dividing plate is provided with gas overflowing pipe 13, middle and lower part in housing is provided with gripper shoe 14, pipe 15 is let out under gripper shoe being provided with liquid, the middle part that power transmission shaft 10 runs through gripper shoe is connected with the lower surface at middle part of the revolving bed 6 being provided with filler 5, the bottom of gripper shoe is provided with ring-type liquid-phase collection storehouse 4, the diapire of the housing corresponding with ring-type liquid-phase collection storehouse is provided with liquid-phase outlet 3, dividing plate superjacent air space for resolve storehouse 7, crude oil heterogeneous fluid entrance 1 is tangentially provided with in the housing sidewall corresponding with resolving storehouse, the sidewall of the housing corresponding with revolving bed is provided with inertia for subsequent use and resolves gas access 2.
A kind of accompanying gas with crude oil hypergravity of the present invention separator can produce super gravity field, and utilize the liquid phase of accompanying gas with crude oil with the greatest differences of associated gas high gravity factor, under centrifugal action, liquid phase is efficiently separated with associated gas.Relatively traditional production separator, apparatus of the present invention gas-liquid separation efficiency is high, and equipment size reduces greatly, can realize skid, is convenient to the small oil field operation of offshore platform and dispersion, and isolated associated gas is not containing solid impurity.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Detailed description of the invention
By drawings and Examples below, the invention will be further elaborated, its objective is to better understand content of the present invention.Therefore, the cited case does not limit the scope of the invention.
A kind of accompanying gas with crude oil hypergravity separator, comprise housing, resolution gas outlet 9 is provided with at the top of housing, top in housing is provided with demister 8, middle part in housing is provided with dividing plate 12, the middle part of dividing plate arranges porose, liquid phase mozzle 11 is connected with at Kong Chu, dividing plate is provided with gas overflowing pipe 13, middle and lower part in housing is provided with gripper shoe 14, pipe 15 is let out under gripper shoe being provided with liquid, the middle part that power transmission shaft 10 runs through gripper shoe is connected with the lower surface at middle part of the revolving bed 6 being provided with filler 5, the bottom of gripper shoe is provided with ring-type liquid-phase collection storehouse 4, the diapire of the housing corresponding with ring-type liquid-phase collection storehouse is provided with liquid-phase outlet 3, dividing plate superjacent air space for resolve storehouse 7, crude oil heterogeneous fluid entrance 1 is tangentially provided with in the housing sidewall corresponding with resolving storehouse, the sidewall of the housing corresponding with revolving bed is provided with inertia for subsequent use and resolves gas access 2, see Fig. 1.
The method of operating of apparatus of the present invention:
Decompressor is connected in resolution gas outlet 9; Tangentially passed in housing from crude oil heterogeneous fluid entrance 1 by heterogeneous fluid from down-hole, start decompressor, heterogeneous fluid Free Gas body is resolved in parsing storehouse 7, flows out after demister 8 foam removal through resolution gas outlet 9; Be positioned at the liquid phase being mingled with gas of resolving storehouse the enters High Rotation Speed revolving bed 6 being provided with filler 5 through liquid phase mozzle 11, the gas be mingled with in liquid phase on the revolving bed of High Rotation Speed because of the difference of centrifugal force, gas phase enters through gas overflowing pipe 13 and resolves storehouse, and through demister, and discharge through resolution gas outlet, liquid phase is got rid of to revolving bed edge in the effect of centrifugal force, lets out pipe 15 and be discharged in ring-type liquid-phase collection storehouse 4 and discharged by liquid-phase outlet 3 under liquid.
Tank body adopts flange seal, can withstand voltage 8Mpa, and power section adopts motor to drive, and hermetic unit adopts magnetic coupling to seal.
Accompanying gas with crude oil of the present invention, also known as heterogeneous fluid, is the multiphase mixture of the crude oil of oil, extraction in gas well, water and associated gas composition.
Ring-type liquid-phase collection of the present invention is hidden and is provided with automatic Control Systems of Liquids Height, to control liquid level at proper height, plays fluid-tight effect.
Embodiment
Form with matching used condenser, decompressor, point flow container and the tank level control system of also comprising of the present invention, be arranged on A oil field and B oil field respectively and carried out pilot scale, each material of three mouthfuls of wells of selecting processes.A kind of accompanying gas with crude oil hypergravity separator housing inner diameter 700mm, rotor (revolving bed) external diameter 500mm, rotor internal diameter 220mm, rotor height 150mm, rotating speed 1000rpm.The two-phase flow of the three mouthfuls of well mixed materials in A oil field and B oil field, temperature and oil density are in table 1 and table 2.
Pilot-scale experiment:
For A oil field, resolution gas outlet access port pressure is 0.62Mpa, revolving bed rotating speed 600rpm, after the material process of three mouthfuls of wells, normal pressure 60 DEG C, the gas flow that crude oil parses is: containing 0.177 mark cube gas in 1 cube of liquid phase, mark cube gases relative in 1 cube of liquid phase in raw material containing 87.6, associated gas removal efficiency is more than 99.8%v.
For B oil field, resolution gas outlet access port pressure is 0.22Mpa, revolving bed rotating speed 800rpm, after the material process of three mouthfuls of wells, normal pressure 60 DEG C, the gas flow that crude oil parses is: containing 0.042 mark cube gas in 1 cube of liquid phase, mark cube gases relative in 1 cube of liquid phase in raw material containing 5.44, associated gas removal efficiency is more than 99.2%v.
The total output of the three mouthfuls of wells in table 1 A oil field
| Well fluids temperature | Oil density 15 DEG C | Oil mass | Tolerance | The water yield |
| (℃) | (g/cm 3) | (m 3/d) | (Nm 3/d) | (m 3/d) |
| 66 | 0.8488 | 358 | 42200 | 123.7 |
The total output of the three mouthfuls of wells in table 2 B oil field
| Well fluids temperature | Oil density 15 DEG C | Oil mass | Tolerance | The water yield |
| (℃) | (g/cm 3) | (m 3/d) | (Nm 3/d) | (m 3/d) |
| 90 | 0.9635 | 540 | 4255 | 248 |
The result of above-described embodiment shows, adopts gas-liquid separation device of the present invention, by the gas phase separation in down-hole extraction heterogeneous fluid out, for the crude oil of high acid gas-containing, can greatly can reduce the etching problem of the generation in crude oil subsequent delivery process.
When viscosity of crude is comparatively large, when gas-liquid separation difficulty is larger, resolves gas access 2 by inertia for subsequent use in housing, carry inert gas (N2), strengthened the effect of gas-liquid two-phase separation by the gas stripping of inert gas further.
Claims (2)
1. an accompanying gas with crude oil hypergravity separator, it is characterized in that comprising housing, resolution gas outlet (9) is provided with at the top of housing, top in housing is provided with demister (8), middle part in housing is provided with dividing plate (12), the middle part of dividing plate arranges porose, liquid phase mozzle (11) is connected with at Kong Chu, dividing plate is provided with gas overflowing pipe (13), middle and lower part in housing is provided with gripper shoe (14), pipe (15) is let out under gripper shoe being provided with liquid, the middle part that power transmission shaft (10) runs through gripper shoe is connected with the lower surface at middle part of the revolving bed (6) being provided with filler (5), the bottom of gripper shoe is provided with ring-type liquid-phase collection storehouse (4), the diapire of the housing corresponding with ring-type liquid-phase collection storehouse is provided with liquid-phase outlet (3), dividing plate superjacent air space for resolve storehouse (7), crude oil heterogeneous fluid entrance (1) is tangentially provided with in the housing sidewall corresponding with resolving storehouse, the sidewall of the housing corresponding with revolving bed is provided with inertia for subsequent use and resolves gas access (2).
2. a kind of accompanying gas with crude oil hypergravity separator according to claim 1, is characterized in that described heterogeneous fluid is oil, the multiphase mixture of the crude oil of extraction in gas well, water and associated gas composition.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310671496.0A CN103657265B (en) | 2013-12-10 | 2013-12-10 | A kind of accompanying gas with crude oil hypergravity separator |
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| CN201310671496.0A CN103657265B (en) | 2013-12-10 | 2013-12-10 | A kind of accompanying gas with crude oil hypergravity separator |
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| CN103657265A CN103657265A (en) | 2014-03-26 |
| CN103657265B true CN103657265B (en) | 2015-10-21 |
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| CN106731419A (en) * | 2017-02-14 | 2017-05-31 | 朗盈（成都）化工科技有限公司 | A kind of gas recovery system for oil and method |
| CN111607444B (en) * | 2020-06-04 | 2020-12-01 | 山东仁合新材料科技有限公司 | Natural gas sand removing device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| NZ239581A (en) * | 1990-09-13 | 1993-03-26 | Mitsubishi Heavy Ind Ltd | Gas-liquid separator with tangential inflow nozzle to cylindrical body with central discharge pipe |
| JP2786581B2 (en) * | 1993-07-23 | 1998-08-13 | 三菱重工業株式会社 | Gas-liquid separation device |
| JP2003001033A (en) * | 2001-06-15 | 2003-01-07 | Kojima Press Co Ltd | Gas-liquid separator for fuel cell |
| CN102188947B (en) * | 2010-03-16 | 2013-11-06 | 中国石油化工股份有限公司 | Large diameter hypergravity field revolving bed mass transfer and reaction equipment |
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Effective date of registration: 20161114 Address after: 213016 Changzhou Zhong Road, Jiangsu Province, No. 22 Longjiang Road Patentee after: CNOOC CHANGZHOU PAINT CHEMICAL RESEARCH INSTITUTE Co.,Ltd. Patentee after: CNOOC ENERGY TECHNOLOGY & SERVICES Ltd. Address before: 100010 Beijing, Chaoyangmen, North Street, No. 25, No. Patentee before: CHINA NATIONAL OFFSHORE OIL Corp. Patentee before: CNOOC ENERGY TECHNOLOGY & SERVICES Ltd. |
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Effective date of registration: 20230626 Address after: No. 22, Longjiang Middle Road, Zhonglou District, Changzhou City, Jiangsu Province, 213000 Patentee after: Guohengxin (Changzhou) testing and Certification Technology Co.,Ltd. Patentee after: CNOOC CHANGZHOU PAINT CHEMICAL RESEARCH INSTITUTE Co.,Ltd. Patentee after: CNOOC ENERGY TECHNOLOGY & SERVICES Ltd. Address before: 213016 No.22, Longjiang Middle Road, Zhonglou District, Changzhou City, Jiangsu Province Patentee before: CNOOC CHANGZHOU PAINT CHEMICAL RESEARCH INSTITUTE Co.,Ltd. Patentee before: CNOOC ENERGY TECHNOLOGY & SERVICES Ltd. |