CN212700666U - Oil field well site profit quick separation system - Google Patents
Oil field well site profit quick separation system Download PDFInfo
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- CN212700666U CN212700666U CN202021124018.XU CN202021124018U CN212700666U CN 212700666 U CN212700666 U CN 212700666U CN 202021124018 U CN202021124018 U CN 202021124018U CN 212700666 U CN212700666 U CN 212700666U
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Abstract
The utility model relates to an oil field well site oil water quick separation system relates to the oil water quick separation technical field, concretely relates to well site oil water separation, carries out dehydration technical field to producing liquid at the well site, especially relates to an oil field well site oil water quick separation system, including the oil storage tank, the oil storage tank includes first oil storage tank and terminal oil storage tank, still is provided with a plurality of oil storage tanks between first oil storage tank and the terminal oil storage tank, first oil storage tank passes through oil outlet line and links to each other with the oil well, and two adjacent oil storage tank upper portions pass through the overflow pipe and link to each other, be provided with normally open valve on the overflow pipe; the utility model discloses a continuous first oil storage tank and terminal oil storage tank and the oil storage tank of setting between first oil storage tank and terminal oil storage tank subside for oil-water separation utilizes profit density difference, and the oil overflow that is in storage tank upper portion is to terminal oil storage tank, and the oil moisture content that realizes in the terminal oil storage tank is low, realizes the purpose of well site dehydration.
Description
Technical Field
The utility model relates to an profit quickly separating technical field, concretely relates to well site water oil separating, to producing liquid at the well site and dewater technical field, in particular to oil field well site profit quickly separating system.
Background
The production of low-yield oil wells is that crude oil is produced from a wellhead and then enters a storage tank of a well site through a pipeline, produced liquid entering the storage tank comprises oil and water, and an oil pulling vehicle is pulled to the well site to pull the liquid in the storage tank to a centralized processing station for dehydration processing. The removed water is then transported or pulled by a truck from a centralized processing station to a water injection well around the oil well for reinjection to enhance recovery. The mode of the automobile is equivalent to that water is firstly pulled to a centralized processing station and then pulled to the vicinity of a well site from the centralized processing station, and the pulling cost is high. The invention carries out dehydration at a well site, directly transports the crude oil with low water content to a centralized processing station, and directly transports the dehydrated water to a nearby sewage processing station for processing and reinjection, thereby reducing the production cost.
In the prior art, oil well produced liquid firstly enters a well site oil storage tank, when the liquid amount of the oil storage tank reaches a certain amount, the liquid is pulled away by an automobile, the temperature is reduced in autumn and winter, the viscosity of crude oil is increased, the fluidity is poor, the crude oil needs to be heated by an electric heating rod, or steam is directly added into the tank to increase the temperature of the liquid in the tank and reduce the viscosity, and then the liquid in the tank is pulled away by the automobile; the method can realize the storage and turnover of produced liquid, and has great difficulty if dehydration is carried out, high water content in the dehydrated crude oil and difficult realization of the water content of the dehydrated crude oil below 5 percent.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a can realize well site water oil separating, dewater to producing liquid at the well site, crude oil moisture content is less than 5%'s an oil field well site profit quick separation system after the dehydration.
The utility model relates to an oil field well site oil-water quick separation system, including the oil storage tank, the oil storage tank includes first oil storage tank and terminal oil storage tank, still is provided with a plurality of oil storage tanks between first oil storage tank and the terminal oil storage tank, first oil storage tank passes through oil outlet line and links to each other with the oil well, and two adjacent oil storage tank upper portions link to each other through the overflow pipe, be provided with normally open valve on the overflow pipe, two adjacent oil storage tank lower parts link to each other through the connecting pipe, be provided with normally closed valve on the connecting pipe;
the lower part of the first oil storage tank is connected with a truck-mounted water pipeline, a water outlet valve is arranged on the truck-mounted water pipeline, the lower part of the tail end oil storage tank is connected with a truck-mounted oil pipeline, and an oil outlet valve is arranged on the truck-mounted oil pipeline;
and the vehicle-mounted oil pipeline between the tail end oil storage tank and the oil outlet valve is also connected with the first oil storage tank through a circulating pipeline, and the circulating pipeline is provided with a circulating pump.
Preferably, the device further comprises heating devices which are respectively connected with the oil storage tanks.
Preferably, the heating device comprises an electric heating boiler and heating coils, the heating coils are respectively arranged in the oil storage tank, and the heating coils are connected with the electric heating boiler through heating pipelines.
Preferably, still include the sample observation pipe, the sample observation pipe links to each other with terminal oil storage tank and the car-mounted oil line between the circulation pipeline and the car-mounted oil line junction, be provided with the sample valve on the sample observation pipe.
Preferably, the oil outlet line is further connected with a dosing pump through a dosing pipeline, and a dosing valve is arranged on the dosing pipeline.
Or preferably, a second oil storage tank is further provided between the first oil storage tank and the terminal oil storage tank.
The utility model discloses a continuous first oil storage tank and terminal oil storage tank and the oil storage tank of setting between first oil storage tank and terminal oil storage tank subside for oil-water separation utilizes profit density difference, and the oil overflow that is in storage tank upper portion is to terminal oil storage tank, and the oil moisture content that realizes in the terminal oil storage tank is low, realizes the purpose of well site dehydration.
The utility model discloses a still link to each other with first oil storage tank through the circulation pipeline on the car-mounted oil pipeline between terminal oil storage tank and the delivery valve, be provided with the circulating pump on the circulation pipeline, realize that the product liquid in the oil storage tank circulates, is favorable to improving dehydration effect.
The utility model discloses a heating improves oil-water separation's efficiency, realizes better dehydration effect.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Reference numerals: 1-oil well, 2-first oil storage tank, 3-second oil storage tank, 4-end oil storage tank, 5-overflow pipe, 6-normally open valve, 7-connecting pipe, 8-normally closed valve, 9-electric heating boiler, 10-heating coil, 11-circulating pump, 12-oil outlet valve, 13-water outlet valve, 14-dosing pump and 15-sampling valve.
Detailed Description
The utility model relates to an oil field well site oil-water quick separation system, including the oil storage tank, the oil storage tank includes first oil storage tank 2 and terminal oil storage tank 4, still is provided with a plurality of oil storage tanks between first oil storage tank 2 and the terminal oil storage tank 4, first oil storage tank 2 links to each other with oil well 1 through oil outlet line, and two adjacent oil storage tank upper portions link to each other through overflow pipe 5, be provided with normally open valve 6 on overflow pipe 5, two adjacent oil storage tank lower parts link to each other through connecting pipe 7, be provided with normally closed valve 8 on connecting pipe 7;
the lower part of the first oil storage tank 2 is connected with a vehicle-mounted water pipeline, a water outlet valve 13 is arranged on the vehicle-mounted water pipeline, the lower part of the tail end oil storage tank 4 is connected with a vehicle-mounted oil pipeline, and an oil outlet valve 12 is arranged on the vehicle-mounted oil pipeline;
and the vehicle-mounted oil pipeline between the tail end oil storage tank 4 and the oil outlet valve 12 is also connected with the first oil storage tank 2 through a circulating pipeline, and the circulating pipeline is provided with a circulating pump 11.
The heating device is connected with the oil storage tank respectively.
Heating device includes electrical heating boiler 9 and heating coil 10, heating coil 10 sets up respectively in the oil storage tank, and heating coil 10 passes through the heating tube and links to each other with electrical heating boiler 9.
Still including the sample observation pipe, the sample observation pipe links to each other with terminal oil storage tank 4 and the car-mounted oil line between the circulation pipeline and the car-mounted oil line department of linking to each other, be provided with sample valve 15 on the sample observation pipe.
The oil outlet pipeline is also connected with a dosing pump 14 through a dosing pipeline, and a dosing valve is arranged on the dosing pipeline.
A second oil reservoir 3 is also provided between the first oil reservoir 2 and the terminal oil reservoir 4.
As figure 1, the liquid of oil well 1 gets into first oil storage tank 2 through oil outlet line, first oil storage tank 2 and second oil storage tank 3, second oil storage tank 3 and terminal oil storage tank 4 upper portion are through 5 line intercommunications of overflow pipe, the valve is in normally open state on the overflow pipe 5, an oil storage tank and second oil storage tank 3, second oil storage tank 3 and terminal oil storage tank 4 lower part are through connecting pipe 7 intercommunication, the valve on the connecting pipe 7 is in normally closed state, only just open the valve on the connecting pipe 7 under the special circumstances, use the storage tank parallelly connected. Because the density of the oil is smaller than that of the water, under the state of natural separation of the oil and the water, the oil overflows to the next-stage oil storage tank and gradually overflows to the tail-end oil storage tank 4, so that the water content of the oil in the tail-end oil storage tank 4 is lower.
In order to enable the oil-water separation effect in the oil storage tank to be better, the oil storage tank is heated by adopting an energy-saving electric heating boiler 9, the oil storage tank is heated by circulating hot water, and the antifreeze solution is heated by circulating in winter.
The pipeline is observed in the sample that links to each other to terminal oil storage tank 4, the loading pipeline, and the circulation pipeline, when needs are sent oil, through sample moisture content in the sample chemical examination crude oil of observation tube, if the moisture content is less than 5%, then send oil through loading oil pipeline loading, if the moisture content is greater than 5%, then open circulating pump 11, take out first oil storage tank 2 with liquid among the terminal oil storage tank 4 and handle again, until sample moisture content is less than 5% in the sample observation tube.
The water is discharged through the in-vehicle water line at the lower portion of the first oil storage tank 2. In order to make the oil-water separation effect better, the oil outlet pipeline is added with chemicals through a chemical adding pump 14, and a demulsifier is added to improve the crude oil treatment effect.
When emergency happens and well site dehydration is not needed, the valve on the connecting pipe 7 can be opened, and the oil storage tanks are communicated with each other and are used in parallel.
The utility model discloses a continuous first oil storage tank 2 and terminal oil storage tank 4 and the oil storage tank of setting between first oil storage tank 2 and terminal oil storage tank 4 subside for oil water separating utilizes profit density difference, and the oil overflow that is in storage tank upper portion is to terminal oil storage tank 4, and the oil moisture content that realizes in terminal oil storage tank 4 is low, realizes the purpose of well site dehydration.
The utility model discloses a still link to each other with first oil storage tank 2 through circulation pipeline on the car-mounted oil line between terminal oil storage tank 4 and the delivery valve 12, be provided with circulating pump 11 on the circulation pipeline, realize that the product liquid in the oil storage tank circulates, is favorable to improving dehydration effect.
The utility model discloses a heating improves oil-water separation's efficiency, realizes better dehydration effect.
Claims (6)
1. The oil field well site oil-water rapid separation system comprises oil storage tanks, and is characterized in that the oil storage tanks comprise a first oil storage tank (2) and a terminal oil storage tank (4), a plurality of oil storage tanks are further arranged between the first oil storage tank (2) and the terminal oil storage tank (4), the first oil storage tank (2) is connected with an oil well (1) through an oil outlet pipeline, the upper parts of two adjacent oil storage tanks are connected through an overflow pipe (5), a normally open valve (6) is arranged on the overflow pipe (5), the lower parts of the two adjacent oil storage tanks are connected through a connecting pipe (7), and a normally closed valve (8) is arranged on the connecting pipe (7);
the lower part of the first oil storage tank (2) is connected with a vehicle-mounted water pipeline, a water outlet valve (13) is arranged on the vehicle-mounted water pipeline, the lower part of the tail end oil storage tank (4) is connected with a vehicle-mounted oil pipeline, and an oil outlet valve (12) is arranged on the vehicle-mounted oil pipeline;
the oil storage tank is characterized in that an oil loading pipeline between the tail end oil storage tank (4) and the oil outlet valve (12) is connected with the first oil storage tank (2) through a circulating pipeline, and the circulating pipeline is provided with a circulating pump (11).
2. The system of claim 1, further comprising heating means, wherein the heating means are respectively connected to the storage tanks.
3. The oil field well site oil-water rapid separation system as claimed in claim 2, characterized in that the heating device comprises an electric heating boiler (9) and heating coils (10), the heating coils (10) are respectively arranged in the oil storage tank, and the heating coils (10) are connected with the electric heating boiler (9) through heating pipes.
4. The system of claim 1, further comprising a sampling observation pipe connected to the truck-mounted oil line between the terminal storage tank (4) and the connection of the circulation line to the truck-mounted oil line, wherein the sampling observation pipe is provided with a sampling valve (15).
5. The system of claim 1, wherein the flowline is further connected to a dosing pump (14) via a dosing line, and the dosing line is provided with a dosing valve.
6. The system for the rapid separation of oil and water at an oilfield wellsite as defined in any one of claims 1 to 5, wherein a second storage tank (3) is further arranged between the first storage tank (2) and the terminal storage tank (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021124018.XU CN212700666U (en) | 2020-06-17 | 2020-06-17 | Oil field well site profit quick separation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021124018.XU CN212700666U (en) | 2020-06-17 | 2020-06-17 | Oil field well site profit quick separation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212700666U true CN212700666U (en) | 2021-03-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021124018.XU Active CN212700666U (en) | 2020-06-17 | 2020-06-17 | Oil field well site profit quick separation system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212700666U (en) |
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2020
- 2020-06-17 CN CN202021124018.XU patent/CN212700666U/en active Active
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