CN202892983U - Oil-gas-water phase separation skid-mounted pressurizing device - Google Patents

Oil-gas-water phase separation skid-mounted pressurizing device Download PDF

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Publication number
CN202892983U
CN202892983U CN 201220591943 CN201220591943U CN202892983U CN 202892983 U CN202892983 U CN 202892983U CN 201220591943 CN201220591943 CN 201220591943 CN 201220591943 U CN201220591943 U CN 201220591943U CN 202892983 U CN202892983 U CN 202892983U
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China
Prior art keywords
oil
phase separator
phase
output pump
skid
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CN 201220591943
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Chinese (zh)
Inventor
项勇
罗晓明
徐国安
赵昕铭
邹晓燕
周松
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Petrochina Co Ltd
China Petroleum and Natural Gas Co Ltd
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China Petroleum and Natural Gas Co Ltd
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Priority to CN 201220591943 priority Critical patent/CN202892983U/en
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Abstract

The utility model relates to an oil-gas-water phase separation skid-mounted pressurizing device which mainly consists of a base (1), a three-phase separator (3) and a first external transmission pump (16). The three-phase separator (3) and the first external transmission pump (16) are fixedly installed on the base (1). An oil drain outlet (19) of the three-phase separator (3) is communicated with an inlet of the first external transmission pump (16). An outlet of the first external transmission pump (16) is communicated with an oil transmission pipeline (20). The three-phase separator (3) is provided with a safety valve. The first external transmission pump (16) is provided with an explosion-proof motor. The device integrates the oil-gas-water phase separator with the external transmission pump, so that the device is compact and the shuttle transmission of a water source is reduced.

Description

Oil gas water three phase is separated the skid supercharging device
Technical field
The utility model relates to a kind of produced liquid in oil well oil and gas and water from the integrated skid-mounted device that reaches the supercharging conveying.
Background technology
At present, in the surface gathering and transferring technique in oil field, oil well liquid-producing enters the separation buffer tank of block station after metering, and is personal or transport to the natural gas processing station outward in isolated gas or the station, isolated wet crude by the output pump supercharging after the outer multi-purpose station of transporting to.
In the plane figure of conventional block station, the separation buffer tank generally is positioned over the open air, output pump generally is positioned in the pump house, two kinds of equipment are separated, construction period and the site operation amount of block station had both been increased, increased again the floor space of block station, this is very unfavorable for the oil field that some are in urban fringe, land used anxiety, has hindered the exploitation in urbanization oil field.
The isolated wet crude of block station is transported to multi-purpose station and is carried out processed, the isolated sewage of multi-purpose station again reverse pumping to oil well watering or reinjection into reservoir after treatment.Prolongation along with the oil field development time, oil field development enters high water-cut stage, and a large amount of recovered waters in the oil well liquid-producing are transported to first multi-purpose station, and reverse pumping is to oil well again, the round conveying of water has increased aqueduct construction cost and conveying energy consumption, does not meet the requirement of the energy-efficient exploitation in oil field.
Therefore, be necessary to provide a kind of oil-collecting air water three phase separation, cut the functions such as water, crude oil (liquid) supercharging conveying in the integrated skid-mounted device of one on the spot.
The utility model content
Defective for above-mentioned prior art existence, the technical problems to be solved in the utility model provides a kind of oil gas water three phase and separates the skid supercharging device, and solution oil-gas-water separator and the separated floor space of outer defeated supercharging equipment are large, the round problem of carrying of water filling or water mixing water source.
For solving the problems of the technologies described above, the utility model oil gas water three phase is separated the skid supercharging device and mainly is comprised of base 1, three phase separator 3, the first output pump 16, above-mentioned three phase separator 3, the first output pump 16 are fixedly mounted on the base 1, wherein, above-mentioned three phase separator 3 is provided with gas-liquid import 6, oil drain out 19, exhaust outlet 9 and discharge outlet 17; The oil drain out 19 of above-mentioned three phase separator 3 and the import of the first output pump 16 communicate; The outlet of above-mentioned the first output pump 16 communicates with oil pipeline 20; Above-mentioned three phase separator 3 is provided with safety valve; Above-mentioned the first output pump 16 is equipped with flame-proof electric motor.
Further preferably above-mentioned three phase separator 3 axis and horizontal plane angle are 15 °~35 ° as of the present utility model.
Further preferably above-mentioned three phase separator 3 axis and horizontal plane angle are 20 °~30 ° as of the present utility model.
Further preferably above-mentioned three phase separator 3 axis and horizontal plane angle are 25 ° as of the present utility model.
As another kind of improvement the of the present utility model, above-mentioned three phase separator 3 is non-isometrical cylinder, is followed successively by from bottom to top cylinder with large diameter section 5, straightens footpath conical section 7, small-diameter circular shell of column 8.
As another kind of improvement the of the present utility model, the second output pump 11 is installed on the above-mentioned base 1, the import of the import of the second output pump 11 and the first output pump 16 communicates, and the outlet of the outlet of the second output pump 11 and the first output pump 16 communicates, and the second output pump 11 is equipped with flame-proof electric motor.
Above-mentioned three phase separator 3 is equipped with automatic Control Systems of Liquids Height.
Above-mentioned the first output pump 16 and the second output pump 11 are equipped with frequency-changing control system.
Compare with present technical scheme, the beneficial effect that the utility model oil gas water three phase is separated the skid supercharging device is: oil-gas-water three-phase separation and output pump supercharging device integrate, device is compact, saved the floor space of medium-size station field, standardized designs and modularization construction can be realized, the design and establishing duration can be shortened; Three phase separator has the water function of cutting simultaneously, can reduce the round transportation problem of water mixing or water filling.
Description of drawings
Below in conjunction with accompanying drawing the specific embodiment of the present utility model is described in further detail.
Fig. 1 is that the utility model quadrant elevation type oil gas water three phase is separated skid supercharging device front view;
Fig. 2 is that the utility model quadrant elevation type oil gas water three phase is separated skid supercharging device top view.
The specific embodiment
As depicted in figs. 1 and 2, the utility model oil gas water three phase is separated the skid supercharging device and is mainly comprised base 1, three phase separator 3 and two output pumps, i.e. the first output pump 16 and the second output pump 11, wherein base 1 is the carrier of three phase separator 3 and output pump, three phase separator 3 is positioned over the left side of base 1, the first bearing 13 and the second bearing 15 support three phase separator 3, the up and down two ends of bearing are welded on respectively on three phase separator 3 and the base 1, three phase separator 3 central axis are along the long side direction of base 1, show through the field, when the central axis of three phase separator 3 and horizontal plane angle are 15 °~35 °, oil and gas and water is better from effect, when the central axis of three phase separator 3 during horizontal by 25 ° of angles, treatment effect is best.
Three phase separator 3 is non-isometrical cylinder, be followed successively by from bottom to top cylinder with large diameter section 5, straighten footpath conical section 7, small-diameter circular shell of column 8, the safety valve of three phase separator 3 tops can be controlled the pressure of three phase separator 3 inside within design pressure, the design pressure of three phase separator 3 is 0.65MPa in the present embodiment, and three phase separator 3 supporting automatic Control Systems of Liquids Heights are realized the automatic control of three phase separator 3 inside liquid levels and oil-water interfaces.
Be provided with manhole 4 on the three phase separator 3, gas-liquid import 6, oil drain out 19, discharge outlet 17, exhaust outlet 9, wherein gas-liquid import 6 and gas-liquid inlet pipeline 14 communicate, oil drain out 19 and oil-drain pipe 18 communicate, discharge outlet 17 and drainage pipeline 2 communicate, and exhaust outlet 9 and gas pipeline 10 communicate, and on oil-drain pipe 18 and the gas pipeline 10 flowmeter are installed.
The first output pump 16 and the second output pump 11 are placed on the pump foundation 12 on base 1 right side side by side, two output pump one fortune one are standby, two output pumps are centrifugal pump, two output pumps are supporting frequency-changing control system all, parallel and two output pumps in the long limit of the axis of two output pumps and base 1 are arranged in parallel, the oil-drain pipe 18 of the import of two output pumps and three phase separator 3 is connected, and the outlet of two output pumps is connected with oil pipeline 20.
Three phase separator 3 is placed horizontal by certain angle, both possessed vertical and advantage horizontal separator, can remedy again vertical and deficiency horizontal separator, under action of gravitation, liquid can move to discharge outlet 17 automatically, in separator, be difficult for forming like this dead band, separated space is fully used, is conducive to improve water-oil separating efficient, compare with vertical separator, the quadrant elevation type three phase separator has increased the buoyance lift area of oil droplet, compare with horizontal three-phase separator, the quadrant elevation type three phase separator has increased the distance of discharge outlet and oil-water interfaces, is conducive to improve the water quality of discharge water, three phase separator 3 is quadrant elevation type and places, can dwindle the length of base 1, reduce the plant area area, three phase separator 3 top diameters are little, can reduce the whole height of device, be conducive to the highway roping.
In the present embodiment, base 1 is the carrier of miscellaneous equipment, oil gas water comes liquid to enter three phase separator 3 through the gas-liquid import 6 of gas-liquid inlet pipeline 14 by three phase separator 3, difference according to the oil gas water density, under action of gravitation, in three phase separator 3, be separated into oil gas water three phase, if cylinder with large diameter section 5 and straighten conical section 7 internal main water-oil separating districts, footpath, if small-diameter circular shell of column 8 internal main gas-liquid separation zones, manhole 4 is convenient to the staff and enters three phase separator 3 internal overhauls, the gas that three phase separator 3 is deviate from enters gas pipeline 10 through exhaust outlet 9, the sewage that three phase separator 3 is deviate from enters drainage pipeline 2 through discharge outlet 17, then enter water treatment facilities and process rear re-injection, or be used for water mixing, the oil phase that three phase separator 3 is deviate from enters oil-drain pipe 18 through oil drain out 19, the other end of oil-drain pipe 18 is connected with the import of the first output pump 16 and the second output pump 11, two output pumps all are placed on the pump foundation 12, oil phase enters output pump through oil-drain pipe 18, enter oil pipeline 20 and transport to central treating station after the output pump supercharging, a fortune one is standby in process of production for two output pumps.

Claims (8)

1. an oil gas water three phase is separated the skid supercharging device, mainly is comprised of base (1), three phase separator (3), the first output pump (16), and described three phase separator (3), the first output pump (16) are fixedly mounted on the base (1), it is characterized in that:
Described three phase separator (3) is provided with gas-liquid import (6), oil drain out (19), exhaust outlet (9) and discharge outlet (17);
The oil drain out (19) of described three phase separator (3) and the import of the first output pump (16) communicate;
The outlet of described the first output pump (16) communicates with oil pipeline (20);
Described three phase separator (3) is provided with safety valve;
Described the first output pump (16) is equipped with flame-proof electric motor.
2. oil gas water three phase according to claim 1 is separated the skid supercharging device, and it is characterized in that: described three phase separator (3) axis and horizontal plane angle are 15 °~35 °.
3. oil gas water three phase according to claim 2 is separated the skid supercharging device, and it is characterized in that: described three phase separator (3) axis and horizontal plane angle are 20 °~30 °.
4. oil gas water three phase according to claim 3 is separated the skid supercharging device, and it is characterized in that: described three phase separator (3) axis and horizontal plane angle are 25 °.
5. the described oil gas water three phase of any one is separated the skid supercharging device according to claim 1-4, it is characterized in that: described three phase separator (3) is non-isometrical cylinder, be followed successively by from bottom to top cylinder with large diameter section (5), straighten footpath conical section (7), small-diameter circular shell of column (8).
6. oil gas water three phase according to claim 1 is separated the skid supercharging device, it is characterized in that: upper the second output pump (11) of installing of described base (1), the import of the import of the second output pump (11) and the first output pump (16) communicates, the outlet of the outlet of the second output pump (11) and the first output pump (16) communicates, and the second output pump (11) is equipped with flame-proof electric motor.
7. oil gas water three phase according to claim 1 is separated the skid supercharging device, it is characterized in that: described three phase separator (3) is equipped with automatic Control Systems of Liquids Height.
8. oil gas water three phase according to claim 6 is separated the skid supercharging device, it is characterized in that: described the first output pump (16) and the second output pump (11) are equipped with frequency-changing control system.
CN 201220591943 2012-11-12 2012-11-12 Oil-gas-water phase separation skid-mounted pressurizing device Active CN202892983U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220591943 CN202892983U (en) 2012-11-12 2012-11-12 Oil-gas-water phase separation skid-mounted pressurizing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220591943 CN202892983U (en) 2012-11-12 2012-11-12 Oil-gas-water phase separation skid-mounted pressurizing device

Publications (1)

Publication Number Publication Date
CN202892983U true CN202892983U (en) 2013-04-24

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110630241A (en) * 2018-06-22 2019-12-31 中国石油天然气股份有限公司 Reinjection system for fireflood produced gas

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110630241A (en) * 2018-06-22 2019-12-31 中国石油天然气股份有限公司 Reinjection system for fireflood produced gas

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