CN215718695U - Wellhead oil-gas-water three-item separation metering device - Google Patents
Wellhead oil-gas-water three-item separation metering device Download PDFInfo
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- CN215718695U CN215718695U CN202122325423.9U CN202122325423U CN215718695U CN 215718695 U CN215718695 U CN 215718695U CN 202122325423 U CN202122325423 U CN 202122325423U CN 215718695 U CN215718695 U CN 215718695U
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Abstract
The utility model provides a wellhead oil-gas-water three-item separation metering device. Relates to the technical field of oil extraction equipment. The knockout drum is equipped with feed liquor pipe, row oil pipe, drain pipe and blast pipe, installs solenoid valve and electromagnetic flowmeter on the drain pipe, installs electromagnetic flowmeter and back pressure valve on the blast pipe, installs the solenoid valve on arranging the oil pipe, and solenoid valve rear side row oil union coupling two-position four-way electromagnetic directional valve's downside port, and another port of downside of two-position four-way electromagnetic directional valve connects out oil pipe, and two ports of two-position four-way electromagnetic directional valve upside pass through pipe connection and volume flowmeter, install the oil-water interface appearance on the knockout drum. The utility model has the following beneficial effects: the volume flow meter with the fixed cylinder volume is arranged, so that the volume of crude oil produced by each well every day can be calculated by only calculating the moving times of the displacement column every day through the counter, and the crude oil yield can be accurately calculated under the conditions of temperature control and heat preservation of the control crude oil and the known density of the crude oil at the temperature.
Description
The technical field is as follows:
the utility model relates to the technical field of oil extraction equipment, in particular to a wellhead oil-gas-water three-phase separation metering device.
Background art:
in the development and production process of an oil field, along with the development of scientific technology, higher requirements are placed on the metering of oil, gas and water in oil well produced liquid, the currently used three-phase metering device technology falls behind, the metering error of crude oil such as a tipping bucket flowmeter is large, the metering accuracy is seriously influenced, and a mass flowmeter has the problems of high cost and high maintenance cost, and cannot meet the requirements of oil field production.
The utility model has the following contents:
in order to solve the problems, the utility model provides a wellhead oil-gas-water three-separation metering device.
The technical scheme of the utility model is as follows: the three-phase separation metering device for oil, gas and water at a well head comprises a separation tank, wherein a liquid inlet pipe is arranged on one side of the separation tank, an oil discharge pipe on the upper part and a water discharge pipe on the lower part are arranged on the other side of the separation tank, an exhaust pipe is arranged at the top of the separation tank, and a slag discharge valve is arranged at the bottom of the separation tank;
the oil drain pipe is provided with an electromagnetic valve and an electromagnetic flowmeter, the exhaust pipe is provided with an electromagnetic flowmeter and a back pressure valve, the oil drain pipe is provided with an electromagnetic valve, the electromagnetic valve rear side oil drain pipe is connected with a lower side port of the two-position four-way electromagnetic reversing valve, the other port of the lower side of the two-position four-way electromagnetic reversing valve is connected with an oil outlet pipe, two ports of the upper side of the two-position four-way electromagnetic reversing valve are connected with a volume flowmeter through a pipeline, and the separating tank is provided with an oil-water interface instrument.
The volume flow meter comprises a cylinder body, two flange covers are connected to two sides of the cylinder body through bolt sealing gaskets, a replacement column is connected to an inner hole of the cylinder body in a clearance fit mode, a contact switch is fixedly connected to each flange cover, a contact column of each contact switch extends into the inner side of each flange cover through a sealing ring, a side hole is formed in each flange cover, and two side holes are provided with two ports connected to the upper side of the two-position four-way electromagnetic reversing valve through pipelines.
The outer side of the separation tank is provided with a water bath temperature control chamber, and the outer side of each pipeline is provided with a heat preservation pipe.
And a heat insulation layer is arranged outside the volume flow meter.
The utility model has the following beneficial effects: set up a fixed volumetric flowmeter of section of thick bamboo volume, as long as the number of times that the replacement post removed every day through the counter can calculate the crude oil volume of every day well output, at control by temperature change and heat retaining control crude oil temperature, under the condition of the density of known crude oil at this temperature, can accurately calculate crude oil output, the replacement post is through being connected with barrel clearance fit, the in-process that removes has a certain amount of crude oil to leak the one side that pressure is low, this leakage amount accessible is experimental to be known, multiply when the calculation should leak the coefficient of volume can, the measurement of crude oil is not influenced to this structure, the wearing and tearing spare has not simultaneously, moreover, the steam generator is simple in structure, long service life.
Description of the drawings:
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural view of the volume flow meter of the present invention.
In the figure, 1-a separation tank, 2-a liquid inlet pipe, 3-an oil discharge pipe, 4-a water discharge pipe, 5-an exhaust pipe, 6-a slag discharge valve, 7-an electromagnetic valve, 8-an electromagnetic flow meter, 9-a two-position four-way electromagnetic reversing valve, 10-an oil outlet pipe, 11-a back pressure valve, 12-a cylinder body, 13-a flange cover, 14-a displacement column, 15-a contact switch, 16-a side hole, 17-an oil-water interface instrument and 18-a volume flow meter.
The specific implementation mode is as follows:
the utility model will be further described with reference to the accompanying drawings in which:
referring to fig. 1 and fig. 2, the three-phase separation metering device for oil, gas and water at a wellhead comprises a separation tank 1, wherein a liquid inlet pipe 2 is arranged on one side of the separation tank 1, an oil discharge pipe 3 at the upper part and a water discharge pipe 4 at the lower part are arranged on the other side of the separation tank 1, an exhaust pipe 5 is arranged at the top of the separation tank 1, and a slag discharge valve 6 is arranged at the bottom of the separation tank;
install solenoid valve 7 and electromagnetic flow meter 8 on the drain pipe 4, install electromagnetic flow meter 8 and back pressure valve 11 on the blast pipe 5, install solenoid valve 7 on the oil drain pipe 3, the downside port of two-position four-way electromagnetic directional valve 9 is connected to solenoid valve 7 rear side oil drain pipe 3, another port of downside of two-position four-way electromagnetic directional valve 9 connects out oil pipe 10, two ports of two-position four-way electromagnetic directional valve 9 upside pass through pipe connection and volume flowmeter 18, install oil-water interface appearance 17 on the knockout drum 1.
The volume flow meter 18 comprises a cylinder body 12, two flange covers 13 are connected to two sides of the cylinder body 12 through bolt sealing gaskets, a displacement column 14 is connected to the inner hole of the cylinder body 12 in a clearance fit mode, a contact switch 15 is fixedly connected to the flange covers 13, the contact column of the contact switch 15 extends into the inner side of each flange cover 13 through a sealing ring, a side hole 16 is formed in each flange cover 13, and two side holes 16 are respectively connected with two ports on the upper side of a two-position four-way electromagnetic reversing valve 9 through pipelines.
A water bath temperature control chamber is arranged outside the separation tank 1, and a heat preservation pipe is arranged outside each pipeline.
And an insulating layer is arranged outside the volume flow meter 18.
The back pressure valve 11 on the blast pipe 5 is as the air release switch, through the measurement displacement of electromagnetic flowmeter 8, can keep keeping certain pressure in the knockout drum 1 simultaneously, as the drive pressure of drainage, oil extraction, oil water interface appearance 17 perception knockout drum 1 in the oil water interface height, open the solenoid valve 7 of drain pipe 4, through the measurement displacement of sewage of electromagnetic flowmeter 8, oil water interface is low, open the solenoid valve 7 of oil extraction pipe 3, through the volume flowmeter 18 measurement oil flow that wanders.
Crude oil enters the two-position four-way electromagnetic directional valve 9 from the oil discharge pipe 3 and then enters the left side of the volume flow meter 18 to flow into the cylinder 12, the displacement column 14 moves to the right side under the pushing of the pressure of the crude oil, when the crude oil moves to the rightmost side, the crude oil touches the contact column of the contact switch 15 on the right side, the contact switch 15 acts to control the reversing of the two-position four-way electromagnetic directional valve 9, the crude oil enters from the right side of the cylinder 12 instead, the displacement column 14 is pushed to move to the left side, the crude oil on the left side of the displacement column 14 flows out of the cylinder 12 from the left side and flows out of the oil outlet pipe 10 through the two-position four-way electromagnetic directional valve 9, when the displacement column 14 moves to the leftmost side, the contact column of the contact switch 15 on the left side is touched, the contact switch 15 acts, the two-position four-way electromagnetic directional valve 9 reverses again, and the volume of the crude oil produced by each well can be calculated as long as the number of movement of the displacement column 14 per day is calculated through the counter, under the condition of controlling the temperature of crude oil by temperature control and heat preservation, the yield of the crude oil can be accurately calculated under the condition of knowing the density of the crude oil at the temperature.
The displacement column 14 is in clearance fit connection with the cylinder body 12, a certain amount of crude oil leaks to the side with low pressure in the moving process, the leakage amount can be known through experiments, and the leakage amount can be multiplied by the coefficient of the leakage amount in calculation, the structure does not influence the metering of the crude oil, and meanwhile, the displacement column has no wear parts, simple structure and long service life.
Claims (4)
1. The utility model provides a three separation metering device of well head oil gas water, includes knockout drum (1), its characterized in that: a liquid inlet pipe (2) is arranged on one side of the separation tank (1), an oil discharge pipe (3) on the upper part and a water discharge pipe (4) on the lower part are arranged on the other side of the separation tank, an exhaust pipe (5) is arranged on the top of the separation tank (1), and a slag discharge valve (6) is arranged on the bottom of the separation tank;
install solenoid valve (7) and electromagnetic flowmeter (8) on drain pipe (4), install electromagnetic flowmeter (8) and back pressure valve (11) on blast pipe (5), install solenoid valve (7) on oil discharge pipe (3), the downside port of two-position four-way electromagnetic directional valve (9) is connected in solenoid valve (7) rear side oil discharge pipe (3), oil pipe (10) are connected to another port of downside of two-position four-way electromagnetic directional valve (9), two ports of two-position four-way electromagnetic directional valve (9) upside pass through pipe connection and volume flowmeter (18), install oil water interface appearance (17) on knockout drum (1).
2. The wellhead oil-gas-water separation metering device as claimed in claim 1, wherein: volume flowmeter (18) include barrel (12), two flange lids (13) are connected through the bolt seal pad to barrel (12) both sides, barrel (12) hole clearance fit connects replacement post (14), fixed connection contact switch (15) are gone up in flange lid (13), the contact post of contact switch (15) stretches into flange lid (13) inboard through the sealing washer, all be equipped with side opening (16) on every flange lid (13), two side opening (16) all have two ports of pipe connection at two-position four-way solenoid directional valve (9) upside.
3. The wellhead oil-gas-water separation metering device as claimed in claim 1, wherein: a water bath temperature control chamber is arranged on the outer side of the separation tank (1), and a heat preservation pipe is arranged on the outer side of each pipeline.
4. The wellhead oil-gas-water separation metering device as claimed in claim 2, wherein: and a heat insulation layer is arranged on the outer side of the volume flow meter (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122325423.9U CN215718695U (en) | 2021-09-24 | 2021-09-24 | Wellhead oil-gas-water three-item separation metering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122325423.9U CN215718695U (en) | 2021-09-24 | 2021-09-24 | Wellhead oil-gas-water three-item separation metering device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215718695U true CN215718695U (en) | 2022-02-01 |
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ID=80024489
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122325423.9U Active CN215718695U (en) | 2021-09-24 | 2021-09-24 | Wellhead oil-gas-water three-item separation metering device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215718695U (en) |
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2021
- 2021-09-24 CN CN202122325423.9U patent/CN215718695U/en active Active
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