CN207795226U - A kind of well head oil measuring system - Google Patents
A kind of well head oil measuring system Download PDFInfo
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- CN207795226U CN207795226U CN201721904003.3U CN201721904003U CN207795226U CN 207795226 U CN207795226 U CN 207795226U CN 201721904003 U CN201721904003 U CN 201721904003U CN 207795226 U CN207795226 U CN 207795226U
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Abstract
The utility model discloses a kind of well head oil measuring systems, belong to petroleum metering field.The system includes：The dynamoelectric switching valve being connect with wellhead production valve by total feed line, and, the first separator, the second separator, master control system.The first feed line, the first outlet line, the first tapping line are connected on first separator.The second feed line, the second outlet line, the second tapping line are connected on second separator.Dynamoelectric switching valve is connect with the first feed line, the second feed line respectively by two oil outlets.The first tapping valve is provided on first tapping line；The second tapping valve is provided on second tapping line；It is both provided with liquid level gauge and weighing instrument on first separator, the second separator.Master control system is electrically connected with dynamoelectric switching valve, the first tapping valve, the second tapping valve, liquid level gauge, weighing instrument respectively.The utility model weighs the weight of the first separator, the second separator Crude Oil by alternating, and metric results are more accurate.
Description
Technical field
The utility model is related to petroleum metering field, more particularly to a kind of well head oil measuring system.
Background technology
In actual production, in order to grasp the oil productive capacity of oil well, need to measure well oil output.Therefore, having must
A kind of Well head oil gauge is provided.
The prior art provides such a Well head oil gauge comprising gas-liquid cyclone separator, gas-liquid cyclonic separation
Feed line, outlet line and outlet tube line are connected on device.It is provided with gas flowmeter on outlet line, is set on outlet tube line
It is equipped with fluid flowmeter.After the crude oil containing associated gas extracted out from oil well enters gas-liquid cyclone separator by feed line, companion
Anger is discharged from outlet line, and crude oil is discharged from outlet tube line.Discharge can be measured by gas flowmeter and fluid flowmeter
Gas and crude oil flow (that is, volume), calculate oil production when, pass through fluid flowmeter obtain output crude oil volume, meter
The weight of output crude oil can be obtained by calculating, and obtain the oil production (that is, weight) of pumpingh well.
Designer has found that the existing technology has at least the following problems：
The volume that oil well output crude oil is obtained by fluid flowmeter, is calculated oil production, due to expand with heat and contract with cold etc. because
The volume of element, crude oil can change, and keep measurement result not accurate enough.
Utility model content
The utility model embodiment provides a kind of well head oil measuring system, can solve above-mentioned technical problem.Particular technique side
Case is as follows：
A kind of well head oil measuring system is provided, the system comprises：It is connect with wellhead production valve by total feed line
Dynamoelectric switching valve, and, the first separator, the second separator, master control system, the first tapping valve, the second tapping valve；
The top of first separator is connected with the first feed line, and top is connected with the first outlet line, and bottom connects
It is connected to the first tapping line；
The top of second separator is connected with the second feed line, and top is connected with the second outlet line, and bottom connects
It is connected to the second tapping line；
The dynamoelectric switching valve is connected with first feed line, second feed line respectively by two oil outlets
It connects；
It is provided with the first tapping valve on first tapping line；
It is provided with the second tapping valve on second tapping line；
Liquid level gauge for detecting liquid level is both provided on first separator, second separator and for weighing
Weighing instrument；
The master control system and the dynamoelectric switching valve are electrically connected, for controlling opening for two oil outlets respectively
It closes；
The master control system also respectively with first tapping valve, second tapping valve,
The liquid level gauge, the weighing instrument are electrically connected.
In a kind of possible design, first outlet line passes through the electronic switching with second outlet line
Valve is connected to.
In a kind of possible design, the system also includes gathering lines；
The import of the gathering line is connect with the outlet of first tapping line, second tapping line simultaneously；
The outlet of the gathering line is connect with oil well casing.
In a kind of possible design, the exit of the gathering line is provided with shut-off valve.
In a kind of possible design, the first ball-and-seat, and described first single stream are provided on first tapping line
Valve is located at the downstream of first tapping valve；
The second ball-and-seat is provided on second tapping line, and second ball-and-seat is located at second tapping valve
Downstream.
In a kind of possible design, first separator, second separator are cyclone gas-liquid separator.
In a kind of possible design, the weighing instrument on first separator is to be arranged below first separator
Electronic platform scale；
Weighing instrument on second separator is the electronic platform scale being arranged below second separator.
The advantageous effect brought of technical solution that the utility model embodiment provides is：
The well head oil measuring system provided by the utility model embodiment goes out when carrying out the metering of oil production by first
Associated gas after gas pipeline and the discharge separation of the second outlet line, the first separator, the second separator are weighed using weighing instrument
The weight of Crude Oil, comparison measure the volume of crude oil using flowmeter, and result of calculation is more accurate, and by alternately weighing first point
Weight from device, the second separator Crude Oil, it is more using the first smaller separator of volume, the second separator, that is, ponderable quantity
On the one hand crude oil makes the small volume of well head oil measuring system, easy to remove, applied widely, on the other hand can be achieved weigh compared with
Oil production in long-time keeps metric results more acurrate.Also, processing signal is received by master control system, sends out instruction control
The action of dynamoelectric switching valve, the first tapping valve, the second tapping valve, the Automatic Control of realization amount oil process.To sum up, this practicality is new
The well head oil measuring system small volume that type embodiment provides, applied widely, it is more convenient that metering process automatically controls, and measures knot
Fruit is more accurate.
Description of the drawings
It is required in being described below to embodiment in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing to be used is briefly described, it should be apparent that, the accompanying drawings in the following description is only some realities of the utility model
Example is applied, it for those of ordinary skill in the art, without creative efforts, can also be according to these attached drawings
Obtain other attached drawings.
Fig. 1 is the overall schematic for the well head oil measuring system that the utility model embodiment provides；
Fig. 2 is the schematic diagram of dynamoelectric switching valve in the well head oil measuring system that the utility model embodiment provides.
Reference numeral indicates respectively：
The total feed lines of 1-,
2- dynamoelectric switching valves,
The first separators of 3-,
The first feed lines of 301-,
The first outlet lines of 302-,
The first tapping lines of 303-,
The second separators of 4-,
The second feed lines of 401-,
The second outlet lines of 402-,
The second tapping lines of 403-,
5- master control systems,
The first tapping valves of 6-,
The second tapping valves of 7-,
8- gathering lines,
The first ball-and-seats of 9-,
The second ball-and-seats of 10-,
11- shut-off valves.
Specific implementation mode
Unless otherwise defined, all technical terms used in the utility model embodiment all have and those skilled in the art
Normally understood identical meaning.To keep the purpose of this utility model, technical solution and advantage clearer, below in conjunction with attached
Figure is described in further detail the utility model embodiment.
The utility model embodiment provides a kind of well head oil measuring system, and as shown in Fig. 1, which includes：By total
The dynamoelectric switching valve 2 that feed line 1 is connect with wellhead production valve, and, the first separator 3, the second separator 4, master control system
The 5, first tapping valve 6 of system, the second tapping valve 7.
Wherein, the top of the first separator 3 is connected with the first feed line 301, and top is connected with the first outlet line
302, bottom is connected with the first tapping line 303.
The top of second separator 4 is connected with the second feed line 401, and top is connected with the second outlet line 402, bottom
It is connected with the second tapping line 403.
Dynamoelectric switching valve 2 is connect with the first feed line 301, the second feed line 401 respectively by two oil outlets.
The first tapping valve 6 is provided on first tapping line 303；It is provided with the second tapping valve on second tapping line 403
7。
It is both provided with the liquid level gauge for detecting liquid level on first separator 3, the second separator 4 and weighs for what is weighed
Instrument.
Master control system 5 is electrically connected with dynamoelectric switching valve 2, the keying for controlling two oil outlets respectively；Master control system 5
Also it is electrically connected respectively with the first tapping valve 6, the second tapping valve 7, liquid level gauge, weighing instrument.
The operation principle and effect of the well head oil measuring system provided below the utility model embodiment illustrate：
For the ease of distinguishing, two oil outlets of dynamoelectric switching valve 2 are respectively defined as below：With the first feed line
First oil outlet of 301 connections, the second oil outlet being connected to the second feed line 401.
In application, opening wellhead production valve, the crude oil containing associated gas flows to dynamoelectric switching valve 2 by total feed line 1
Place, the first oil outlet that master control system 5 controls dynamoelectric switching valve 2 are opened, and the first feed line 301 is made to connect with total feed line 1
Logical, the first tapping valve 6, the second tapping valve 7 are closed.Gas crude oil containing association enters in the first separator 3, due to associated gas and crude oil
Density it is different, associated gas is with crude oil disengaging in the injection process of gas crude oil containing association, the loss in the first separator 3, by the
One outlet line 302 is discharged.When first separator 3 fills, the liquid level gauge on the first separator 3 transmits a signal to master control system
5, master control system 5 receive the first separator 3 fill signal after, receive the weighing of weighing instrument on first separator of moment 3
Signal obtains the weight of the first separator 3.Then, master control system 5 controls the first tapping valve 6 and opens, in the first separator 3
Crude oil is discharged from the first tapping line 303.Meanwhile master control system 5 receive the first separator 3 fill signal after, master control system
System 5 can be sent out to dynamoelectric switching valve 2 makes the first oil outlet close, and the instruction that the second oil outlet is opened makes the second feed line
401 are connected to total feed line 1, and gas crude oil containing association enters in the second separator 4, not due to the density of associated gas and crude oil
Together, associated gas is detached from crude oil in the injection process of gas crude oil containing association, and the loss in the second separator 4 passes through the second escape pipe
Line 402 is discharged.When second separator 4 fills, the liquid level gauge on the second separator 4 transmits a signal to master control system 5, master control system
System 5 receive the second separator 4 fill signal after, receive the weighing signal of weighing instrument on second separator of moment 4, obtain
The weight of second separator 4.Then, master control system 5 controls the second tapping valve 7 and opens, and the crude oil in the second separator 4 is from second
Tapping line 403 is discharged.Similarly, master control system 5 receive the second separator 4 fill signal after, master control system 5 can be to
Dynamoelectric switching valve 2, which is sent out, makes the second oil outlet close, and the instruction that the first oil outlet is opened, dynamoelectric switching valve 2 makes the first oil inlet pipe
Line 301 is connected to total feed line 1, is repeated the above steps, until metering process terminates, by the first separator 3 repeatedly obtained,
The weight of second separator 4 is summed, it can be deduced that the oil production of oil well in Dose times.
As it can be seen that the well head oil measuring system provided by the utility model embodiment passes through when carrying out the metering of oil production
First outlet line 302 and the second outlet line 402, after associated gas is detached, using weighing instrument come weigh the first separator 3,
The weight of second separator, 4 Crude Oil, comparison measure the volume of crude oil using flowmeter, and metric results are more accurate, and pass through friendship
For the weight of the first separator 3,4 Crude Oil of the second separator is weighed, detached using the first smaller separator 3, second of volume
Device 4 is the more crude oil of ponderable quantity, on the one hand makes the small volume of well head oil measuring system, easy to remove, applied widely, another
Aspect can be achieved to weigh the oil production in the long period, keep metric results more acurrate.Also, it is handled by 5 reception of master control system
Signal, sends out the action of instruction control dynamoelectric switching valve 2, the first tapping valve 6, the second tapping valve 7, realization amount oil process it is complete from
Dynamic control.To sum up, the well head oil measuring system small volume that the utility model embodiment provides, applied widely, metering process is certainly
Dynamic control is more convenient, and metric results are more accurate.
It is understood that it is that the first separator 3, the second separator 4 fill the weight after crude oil that weighing instrument, which measures, pass through
To 5 built-in algorithm program of master control system, master control system 5 is allow to subtract the first separator 3, second in each weight amount
The weight of itself of separator 4, you can obtain the quality of the first separator 3,4 Crude Oil of the second separator.
Each component of the well head oil measuring system provided below the utility model embodiment and its effect are given illustrate respectively：
Total feed line 1, the first feed line 301, the second feed line 401, the first tapping line 303, the second drain
Pipeline 403 is liquid flow path, can be hard metal pipe, have higher intensity and hardness, be convenient for the arrangement of pipeline.
First outlet line 302, the second outlet line 402 are gas flow channel, can be rubber hose, save space.
Dynamoelectric switching valve 2 is common for this field, such as the three-way ball valve that Tianjin Southern penstock factory produces and sells
It is applicable to the utility model embodiment.For example, as shown in Fig. 2, dynamoelectric switching valve 2 includes：With total feed line 1
The oil inlet of connection, and connect respectively with the first feed line 301, the second feed line 401 the first oil outlet, second go out
Hydraulic fluid port.Oil inlet is connected to the first oil outlet, the second oil outlet respectively, forms the first oil discharge passage, the second oil discharge passage.And the
The gate valve being electrically connected with master control system 5 is both provided in one oil discharge passage, the second oil discharge passage, it is fuel-displaced logical for controlling first
The keying in road, the second oil discharge passage.
Further, dynamoelectric switching valve 2 further includes constituting gas with independent two gas ports of oil discharge passage, two gas port connections
Body channel.First outlet line 302 is connected to the second outlet line 402 by dynamoelectric switching valve 2.
It is understood that the nozzle of the first outlet line 302, the second outlet line 402 is connected to electronic cut
It changes on two gas ports of valve 2, you can be connected to the first outlet line 302 with the second outlet line 402.First point from the above
It is alternately weighed from device 3, the second separator 4.When injecting the crude oil containing associated gas to the first separator 3, the second separator 4 weighs knot
Beam is in oil extraction state, and the first outlet line 302 is connected to the second outlet line 402, contains association to the injection of the first separator 3
When the crude oil of gas, the associated gas of loss enters in the second separator 4 in oil extraction state, accelerates oil extraction process, associated gas with
Crude oil discharge in second separator 4.Conversely, when injecting the crude oil containing associated gas to the second separator 4, in the second separator 4
Gas drive the crude oil in the first separator 3 to be discharged, accelerate oil extraction speed.
Crude oil after for weighing is handled, and the well head oil measuring system that the utility model embodiment provides further includes
Gathering line 8.The import of gathering line 8 is connected with the first tapping line 303, the outlet of the second tapping line 403 simultaneously；Oil collecting pipe
The outlet of line 8 is connect with oil well casing.
By the way that gathering line 8 is arranged, after weighing, the crude oil that is discharged from the first separator 3, the second separator 4 into
Enter in gathering line 8, entered in oil well casing by gathering line 8, the crude oil after weighing is recycled, avoid causing through
Ji loss and environmental pollution.
Further, the exit of gathering line 8 is provided with shut-off valve 11.By the way that shut-off valve 11 is arranged, when the amount of progress oil,
Shut-off valve 11 is opened, the crude oil in gathering line 8 is enable to enter in oil well casing.After amount oil, shut-off valve 11, envelope are closed
Stifled oil well casing makes it be not connected to the external world, on the one hand external impurities is avoided to enter in oil well casing, on the other hand prevents oil well
Crude oil or associated gas in casing leak.
It is connected to gathering line 8 based on above-mentioned first tapping line 303, the second tapping line 403, in the first drain pipe
The first ball-and-seat 9 is provided on line 303, and the first ball-and-seat 9 is located at the downstream of the first tapping valve 6；On second tapping line 403
It is provided with the second ball-and-seat 10, and the second ball-and-seat 10 is located at the downstream of the second tapping valve 7.
By the way that the first ball-and-seat 9 is arranged, avoid to crude oil when the first 3 oiling of separator, being discharged from the second separator 4
It is interfered into weighing result in the first separator 3.By the way that the second ball-and-seat 9 is arranged, avoid to 4 oiling of the second separator
When, from the crude oil being discharged in the first separator 3 enter the second separator 4 in measurement result is interfered, make measurement result compared with
Accurately.
After crude oil containing associated gas enters the first separator 3, the second separator 4, gas-liquid separation occurs.Illustratively,
One separator 3, the second separator 4 are cyclone gas-liquid separator.
The gas-liquid separation effect of cyclone gas-liquid separator is preferable, make associated gas from the loss in crude oil more thoroughly, further
Improve the accuracy of weighing result.
Cyclone gas-liquid separator is that this field is common, for example, Shanghai Bo Jie valves Co., Ltd produces and sells
The rotational flow type gas-liquid separaters of BJQF models can be adapted for the utility model embodiment.
For the distribution mode of weighing instrument on the first separator 3, the second separator 4, illustrated below：
Weighing instrument on first separator 3 is the electronic platform scale being arranged below the first separator 3；
Weighing instrument on second separator 4 is the electronic platform scale being arranged below the second separator 4.
It, can be to first point by placing an electronic platform scale respectively in the lower section of the first separator 3, the second separator 4
It is weighed from device 3, the second separator 4, obtains the weight of the first separator 3, the second separator 4.
When being weighed to the first separator 3, the second separator 4, two electronic platform scales can be selected to place on the ground,
Then the first separator 3, the second separator 4 are individually positioned on electronic platform scale, by the first separator of electronic platform scale pair 3,
Second separator 4 is weighed.Alternatively, two electronic crane scales can be selected, the first separator 3, the second separator 4 are hung respectively
It rises, is weighed.The utility model embodiment selects electronic platform scale to be weighed, and compares electronic crane scale, without slinging, operation letter
Just, safe.
Electronic platform scale is that this field is common, for example, Guangzhou Ju Jie intelligent weighings Industrial Co., Ltd. produces and sells
The TCS type buffer scales sold can be adapted for the utility model embodiment.
The liquid level gauge of monitoring liquid level is separately provided on first separator 3, the second separator 4, liquid level is calculated as ability
Domain is common, for example, the CTS-DD type conductance type liquid levels that Zhaoqing Duanzhou District Zhe Shi finite instruments company produces and sells
Controller can be adapted for the utility model embodiment.
Master control system 5 is electrical with dynamoelectric switching valve 2, the first tapping valve 6, the second tapping valve 7, liquid level gauge, weighing instrument respectively
Connection receives the signal of liquid level gauge, weighing instrument, sends out instruction control dynamoelectric switching valve 2, the first tapping valve 6, the second tapping valve 7
Action.Master control system 5 can be PLC, and the electric connection with above-mentioned each component can be wired connection or wireless connection.
First tapping valve 6, the second tapping valve 7 are solenoid valve, for example, Tianjin Southern penstock factory produces and sells
D971F-16P, the electrodynamic type valve of DN50 models can be adapted for the utility model embodiment.
The above is only the preferred embodiment of the present invention, the protection domain being not intended to limit the utility model,
Within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on should be included in this reality
Within novel protection domain.
Claims (7)
1. a kind of well head oil measuring system, which is characterized in that the system comprises：Valve is produced by total feed line (1) and well head
The dynamoelectric switching valve (2) of door connection, and, the first separator (3), the second separator (4), master control system (5), the first tapping valve
(6), the second tapping valve (7)；
The top of first separator (3) is connected with the first feed line (301), and top is connected with the first outlet line
(302), bottom is connected with the first tapping line (303)；
The top of second separator (4) is connected with the second feed line (401), and top is connected with the second outlet line
(402), bottom is connected with the second tapping line (403)；
The dynamoelectric switching valve (2) by two oil outlets respectively with first feed line (301), second oil inlet pipe
Line (401) connects；
First tapping valve (6) is provided on first tapping line (303)；
Second tapping valve (7) is provided on second tapping line (403)；
Liquid level gauge for detecting liquid level is both provided on first separator (3), second separator (4) and for claiming
The weighing instrument of weight；
The master control system (5) and the dynamoelectric switching valve (2) are electrically connected, for controlling opening for two oil outlets respectively
It closes；
The master control system (5) also respectively with first tapping valve (6), second tapping valve (7), the liquid level gauge, institute
State weighing instrument electric connection.
2. system according to claim 1, which is characterized in that first outlet line (302) and second outlet
Pipeline (402) is connected to by the dynamoelectric switching valve (2).
3. system according to claim 1 or 2, which is characterized in that the system also includes gathering line (8)；
The import of the gathering line (8) simultaneously with first tapping line (303), second tapping line (403)
Outlet connection；
The outlet of the gathering line (8) is connect with oil well casing.
4. system according to claim 3, which is characterized in that the exit of the gathering line (8) is provided with shut-off valve
(11)。
5. system according to claim 3, which is characterized in that it is single to be provided with first on first tapping line (303)
Valve (9) is flowed, and first ball-and-seat (9) is located at the downstream of first tapping valve (6)；
The second ball-and-seat (10) is provided on second tapping line (403), and second ball-and-seat (10) is positioned at described
The downstream of second tapping valve (7).
6. system according to claim 1, which is characterized in that first separator (3), second separator (4)
For cyclone gas-liquid separator.
7. system according to claim 1, which is characterized in that the weighing instrument on first separator (3) is that setting exists
Electronic platform scale below first separator (3)；
Weighing instrument on second separator (4) is the electronic platform scale being arranged below second separator (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721904003.3U CN207795226U (en) | 2017-12-29 | 2017-12-29 | A kind of well head oil measuring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721904003.3U CN207795226U (en) | 2017-12-29 | 2017-12-29 | A kind of well head oil measuring system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207795226U true CN207795226U (en) | 2018-08-31 |
Family
ID=63279048
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721904003.3U Active CN207795226U (en) | 2017-12-29 | 2017-12-29 | A kind of well head oil measuring system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207795226U (en) |
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2017
- 2017-12-29 CN CN201721904003.3U patent/CN207795226U/en active Active
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