CN203905925U - High-pressure natural gas well mouth pilot production device - Google Patents
High-pressure natural gas well mouth pilot production device Download PDFInfo
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- CN203905925U CN203905925U CN201420301359.8U CN201420301359U CN203905925U CN 203905925 U CN203905925 U CN 203905925U CN 201420301359 U CN201420301359 U CN 201420301359U CN 203905925 U CN203905925 U CN 203905925U
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- liquid separator
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Abstract
A high-pressure natural gas well mouth pilot production device comprises a gas-liquid separator and a flow computer. A radio frequency admittance liquidometer is installed at the top of the gas-liquid separator, a turning plate liquidometer is installed on a lateral side of the gas-liquid separator, a first gas-phase outlet pipeline of the gas-liquid separator is provided with a gas flow meter, a temperature sensor and a pressure sensor, a second gas-phase outlet pipeline of the gas-liquid separator is provided with a safety valve, pipelines at an oil outlet and a water outlet of the gas-liquid separator are provided with an electric adjustment valve A and an electric adjustment valve B respectively, and the electric adjustment valve A and the electric adjustment valve B are in linkage of the radio frequency admittance liquidometer and the turning plate liquidometer respectively, the radio frequency admittance liquidometer and the turning plate liquidometer are provided with a liquid level transmitter A and a liquid level transmitter B respectively, and a flow calculator is connected with the gas flow meter, the temperature sensor, the pressure sensor, the liquid level transmitter A and the liquid level transmitter B. The high-pressure natural gas well mouth pilot production device resolves the problems that an existing pilot production device is incomplete in separation of gas and liquid and not suitable for measuring all gas wells.
Description
Technical field
The utility model belongs to natural gas well field of measuring technique, relates in particular to a kind of gas discharge self-operated measuring unit, is specially scaled high-pressure natural gas well oral examination device for picking.
Background technology
At present, the natural gas metering method that domestic each Big Moses adopts is mostly still orifice flowmeter.Orifice flowmeter output signal is analog signal, and repeatability is not high, many and intricate to the accuracy influence factor of a whole set of flow meter, and the difficulty that therefore accuracy improves is very large.And measurement category degree is narrow, crushing is large, and on-the-spot mounting condition is had relatively high expectations.For the Protean gas well pilot production of tolerance, orifice flowmeter is not suitable for measuring all gas wells.This requires a natural gas flow measuring device in the situation that not changing any parts, to be suitable for all gas wells in Measurement accuracy measuring station, and on Vehicles Collected from Market, product sold is difficult to meet above requirement.
Utility model content
The purpose of this utility model is to provide a kind of scaled high-pressure natural gas well oral examination device for picking, not thorough to solve in existing pilot production device gas-liquid separation, cannot be applicable to measure the problem of all gas wells.
To achieve these goals, the technical problem that the utility model solves realizes by the following technical solutions:
Scaled high-pressure natural gas well oral examination device for picking, comprises gas-liquid separator and flow computer; The top of described gas-liquid separator is provided with RF Liquid Level Instrument, the side of gas-liquid separator is provided with flap level gauge, on the first gaseous phase outlet pipeline at gas-liquid separator top, gas flowmeter, temperature pick up and pressure sensing are installed, on the second gaseous phase outlet pipeline at gas-liquid separator top, safety valve is installed, gas-liquid separator bottom is provided with oil-out, delivery port and sewage draining exit, wherein, on the pipeline of oil-out and water outlet, be separately installed with electric control valve A and electric control valve B; Described electric control valve A and electric control valve B are chain with RF Liquid Level Instrument and flap level gauge respectively; On described RF Liquid Level Instrument and flap level gauge, be respectively arranged with fluid level transmitter A and fluid level transmitter B; Described fluid level transmitter A is connected with flow computer respectively with fluid level transmitter B; Described flow computer is connected with gas flowmeter, temperature pick up and pressure sensor respectively, and flow computer is realized the aperture control to electric control valve A and electric control valve B by fluid level transmitter A and fluid level transmitter B.
Further, described oil-out is connected with individual well flow line and individual well water outlet pipeline by pipeline respectively with delivery port.
Further, described electric control valve A and electric control valve B are by shell, spool and axle composition, and wherein, spool is segment-shaped.
Beneficial effect
The utility model to tolerance 10
4-3.0 × 10
5nm/d (pressure is at 0.5-5MPa) liquid measure is at 2-72m
3the natural gas of/d is separable measurement all, tolerance certainty of measurement can reach ± and 0.5%, gasmetry scope can reach 1: 50, heavy good linearity, without debugging work load, simple in structure, volume is little, without maintenance, be suitable for Single Gas Well, measuring station (Duo Koujing), can with throttling heater composition skid pilot production metering device, solved in prior art gas-liquid separation not thorough, cannot be applicable to measure the problem of all gas wells.
Brief description of the drawings
Fig. 1 is the utility model structural representation;
Fig. 2 is the front view of Fig. 1;
Fig. 3 is the lateral view of Fig. 1;
Fig. 4 is the utility model fundamental diagram.
Detailed description of the invention
In order to make of the present utility modelly to realize technological means, creation characteristic, reach object and effect is easy to understand, below in conjunction with concrete diagram, further set forth the utility model.
As Figure 1-4, scaled high-pressure natural gas well oral examination device for picking, comprises gas-liquid separator 1, flap level gauge 2, RF Liquid Level Instrument 3, gas flowmeter 4, temperature pick up 5, safety valve 6, pressure sensor 7, electric control valve A8, electric control valve B9, flow computer 10, fluid level transmitter A11, fluid level transmitter B12, described RF Liquid Level Instrument 3 is arranged on the top of gas-liquid separator 1, flap level gauge 2 is arranged on the side of gas-liquid separator 1, gas flowmeter 4, temperature pick up 5 and pressure sensing 7 are installed on the first gaseous phase outlet pipeline 1-1 at gas-liquid separator 1 top, and safety valve 6 is arranged on the second gaseous phase outlet pipeline 1-2 at gas-liquid separator top, described gas-liquid separator 1 bottom is provided with oil-out 1-3, delivery port 1-4 and sewage draining exit 1-4, described electric control valve A8 and electric control valve B9 are arranged on respectively on the pipeline at oil-out 1-3 and delivery port 1-4 place, electric control valve A8 and electric control valve B9 are chain with RF Liquid Level Instrument 3 and flap level gauge 2 respectively, fluid level transmitter A11 and fluid level transmitter B12 are arranged on respectively on RF Liquid Level Instrument 3 and flap level gauge 2, fluid level transmitter A11 is all connected with flow computer 10 by data wire with fluid level transmitter B12, fluid level transmitter A11 and fluid level transmitter B12 are transformed into standard signal by the liquid level signal of RF Liquid Level Instrument 3 and flap level gauge 2 and pass to flow computer 10, flow computer 10 is by aperture instruction under signal reaction data, realize electric control valve A and the control of electric control valve B aperture, flow computer 10 is also connected with gas flowmeter 4, temperature pick up 5 and pressure sensor 7 by data wire respectively.
Wherein, described oil-out 1-3 is connected with individual well flow line and individual well water outlet pipeline by pipeline respectively with delivery port 1-4.
The utility model operating principle: crude oil enters gas-liquid separator 1, after three grades of separation, gas phase enters the first gaseous phase outlet pipeline 1-1 at gas-liquid separator 1 top after gas flowmeter 4, pressure transmitter 7 and temperature pick up 5 on being arranged on the first gaseous phase outlet pipeline 1-1, sends battery limit (BL); After stratified liquid, flow out through electric control valve A8 and electric control valve B9 from gas-liquid separator 1 outlet at bottom respectively, the aperture of electric control valve A8 and electric control valve B9 and RF Liquid Level Instrument 3 and flap level gauge 2 are chain, are realized and being controlled by fluid level transmitter A11 and fluid level transmitter B12; Gas-liquid separator 1 top is provided with safety valve 6 in case system overpressure; For stablizing the separating effect of gas-liquid separator 1, the Measurement accuracy of being convenient to gas flowmeter 4 need to carry out according to different flow the Self Adaptive Control of choke pressure, now adaptive-flow control parameter is listed in the table below:
| Flow (× 10 4Nm 3/d) | Choke pressure (MPa) |
| 10.0～30.0 | 5 |
| 8.0～9.9 | 4 |
| 6.0～7.9 | 3 |
| 4.0～5.9 | 2 |
| 2.0～3.9 | 1 |
| 1.0～1.9 | 0.5 |
This device to tolerance 10
4-3.0 × 10
5nm/d (pressure is at 0.5-5MPa), liquid measure is at 2-72m
3the natural gas of/d is separable measurement all, tolerance certainty of measurement can reach ± and 0.5%, gasmetry scope can reach 1: 50, heavy good linearity, without debugging work load, simple in structure, volume is little, without maintenance, be suitable for Single Gas Well, measuring station (Duo Koujing), can form skid pilot production metering device with throttling heater.
More than show and described general principle of the present utility model and principal character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; that in above-described embodiment and manual, describes just illustrates principle of the present utility model; do not departing under the prerequisite of the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.Claimed scope of the present utility model is defined by appending claims and equivalent thereof.
Claims (3)
1. scaled high-pressure natural gas well oral examination device for picking, comprises gas-liquid separator and flow computer; It is characterized in that, the top of described gas-liquid separator is provided with RF Liquid Level Instrument, the side of gas-liquid separator is provided with flap level gauge, on the first gaseous phase outlet pipeline at gas-liquid separator top, gas flowmeter, temperature pick up and pressure sensing are installed, on the second gaseous phase outlet pipeline at gas-liquid separator top, safety valve is installed, gas-liquid separator bottom is provided with oil-out, delivery port and sewage draining exit, wherein, on the pipeline of oil-out and water outlet, be separately installed with electric control valve A and electric control valve B; Described electric control valve A and electric control valve B are chain with RF Liquid Level Instrument and flap level gauge respectively; On described RF Liquid Level Instrument and flap level gauge, be respectively arranged with fluid level transmitter A and fluid level transmitter B; Described flow computer is connected with gas flowmeter, temperature pick up, pressure sensor, fluid level transmitter A and fluid level transmitter B respectively, and flow computer is realized the adjustment to electric control valve A and electric control valve B aperture by RF Liquid Level Instrument and the flap level gauge data-signal of fluid level transmitter A and fluid level transmitter B feedback.
2. scaled high-pressure natural gas well oral examination device for picking according to claim 1, is characterized in that, described oil-out is connected with individual well flow line and individual well water outlet pipeline by pipeline respectively with delivery port.
3. scaled high-pressure natural gas well oral examination device for picking according to claim 1, is characterized in that, described electric control valve A and electric control valve B are by shell, spool and axle composition, and wherein, spool is segment-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420301359.8U CN203905925U (en) | 2014-06-09 | 2014-06-09 | High-pressure natural gas well mouth pilot production device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420301359.8U CN203905925U (en) | 2014-06-09 | 2014-06-09 | High-pressure natural gas well mouth pilot production device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203905925U true CN203905925U (en) | 2014-10-29 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420301359.8U Active CN203905925U (en) | 2014-06-09 | 2014-06-09 | High-pressure natural gas well mouth pilot production device |
Country Status (1)
| Country | Link |
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| CN (1) | CN203905925U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2534350A (en) * | 2014-12-09 | 2016-07-27 | Statoil Petroleum As | Oil/water interface detection |
| CN106761656A (en) * | 2017-02-28 | 2017-05-31 | 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 | A kind of separator |
| CN113700456A (en) * | 2021-08-26 | 2021-11-26 | 北京大漠石油工程技术有限公司 | Natural gas modularization pilot production device |
-
2014
- 2014-06-09 CN CN201420301359.8U patent/CN203905925U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2534350A (en) * | 2014-12-09 | 2016-07-27 | Statoil Petroleum As | Oil/water interface detection |
| CN106761656A (en) * | 2017-02-28 | 2017-05-31 | 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 | A kind of separator |
| CN113700456A (en) * | 2021-08-26 | 2021-11-26 | 北京大漠石油工程技术有限公司 | Natural gas modularization pilot production device |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |