CN203626806U - Simple metering device for gas well mouth - Google Patents
Simple metering device for gas well mouth Download PDFInfo
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- CN203626806U CN203626806U CN201320725233.9U CN201320725233U CN203626806U CN 203626806 U CN203626806 U CN 203626806U CN 201320725233 U CN201320725233 U CN 201320725233U CN 203626806 U CN203626806 U CN 203626806U
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- valve
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- 238000009530 blood pressure measurement Methods 0.000 claims abstract description 13
- 230000000694 effects Effects 0.000 claims abstract description 13
- 241000191291 Abies alba Species 0.000 claims description 19
- 239000007789 gas Substances 0.000 description 43
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 14
- 238000000034 method Methods 0.000 description 9
- 230000008602 contraction Effects 0.000 description 8
- 239000003345 natural gas Substances 0.000 description 7
- 239000000284 extract Substances 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 238000009434 installation Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000000691 measurement method Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000005514 two-phase flow Effects 0.000 description 1
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Abstract
A simple metering device for a gas well wellhead belongs to the technical field of gas production of gas fields. The top of cylinder is connected the top frame, there is first contact switch the below of top frame, first contact switch connects the cylinder, the first valve of sub-unit connection of cylinder, the second valve, the flowmeter is connected to the intercommunication pipeline, the upper portion of cylinder is connected on the upper portion of intercommunication pipeline, the lower part of the sub-unit connection cylinder of intercommunication pipeline, pole and gas production tree pressure measurement valve in the activity are connected to the inner chamber of cylinder, the sub-unit connection support tube way of gas production tree pressure measurement valve, there is V type rubber seal to connect in the pole lower part in the activity of support tube way inner chamber, the inner chamber and the other pipe switch-on of support tube way, the third valve is connected to the other pipe, the support tube way has the second contact switch to connect, the main valve of gas production tree is connected to the bottom of support tube.
Description
Technical field
The utility model relates to a kind of gas well mouth Simple measuring device, belongs to production gas technology field, gas field.
Background technology
Natural gas individual well liquid volume measurement is one of important technical problem of production field, traditional separate measurement technique can not on-line metering, cost is high, Soviet Union's Sulige gas field Efficient Development, and mesolow gas collection technique pattern is applied, if by the ripe miniaturization of separate measurement technique, sledge dressization, management difficulty is large, cannot sizable application, and be intelligent precession spiral flowmeter and orifice flowmeter energy on-line metering gas production so gas field adopts, can not count production fluid amount, cost is lower to be promoted the use of.
The new-type gas-liquid biphase flowmeter of Su Lige can measure two kinds of flows of gas-liquid simultaneously.There is this important composition of straight length metering device the inside, new well need to be processed straight length, two phase flow counter device is installed between urgent block valve electromagnetic valve and gate valve, will be by the accessory processing of flange model, straight length is measured size, although without getting angry, only need to change former flow meter, size "one off" production respectively.
Summary of the invention
In order to overcome the deficiencies in the prior art, the utility model provides a kind of gas well mouth Simple measuring device, overcome existing gas well mouth metering device ground flow development length size difference larger, cause straight length dimensioned not unify, change and use new-type flow meter to need the problems such as rechain, pass through modifying device, adopt vertical containing bar metering device in movable, increase bar positioning function in contact switch, implement device is in metering process, exempt to install and get angry, facilitate installation and the later maintenance of flow meter to change, realize and can remove and install flow meter without stopping well, meet the needs of gas field safety in production.
Adopt bar in vertical plug-in type activity, move up and down the flow direction of controlling gas; Interior bar accesses respectively contact switch up and down, guarantees the differentiation of interior bar position, the normal operation of assurance device safety.
A kind of gas well mouth Simple measuring device, the top of cylinder connects top shelf, there is the first contact switch the below of top shelf, the first contact switch connects cylinder, the bottom of cylinder connects the first valve, the second valve, unicom pipeline connection traffic meter, the top of unicom pipeline connects the top of cylinder, the bottom of unicom pipeline connects the bottom of cylinder, bar and christmas tree pressure measurement valve in the inner chamber connection activity of cylinder, the bottom of christmas tree pressure measurement valve connects supporting pipeline, in the activity of supporting pipeline inner chamber, bar bottom has V-type rubber seal to connect, the inner chamber of supporting pipeline and other pipeline are connected, other pipeline connects the 3rd valve, supporting pipeline has the second contact switch to connect, the bottom of supporting pipeline connects christmas tree total valve.
A kind of gas well mouth Simple measuring process, contains following steps;
When contraction state, by opening the first valve, keep the second valve closing, in the cylinder external form annular space on top, gas is discharged, cylinder is under natural gas internal pressure promotes, in movable, bar is moved down into ad-hoc location, and the second contact switch sends signal and pass to the gauge outfit of flow meter, and in show events, bar arrives gas dosing position;
At this moment, the other pipeline of gas flow, natural gas, because V-type rubber seal stops, can only flow in the middle of movable interior bar,
Gas is from top to bottom around a circle process flow meter, and flow meter starts metering, and last gas flows out through the 3rd valve from straight parallel pipeline section by annular space again;
When deployed condition, by flexible pipe to pressurising in the first valve, cylinder is full of pressure, cause airtight annular space gas pressure to be greater than gas well pressure, can make movable interior bar 4 upper bodies, supreme the first contact switch of piston stroking upward, in movable, bar moves to top and arrives specific stop position, the first contact switch sends signal and passes to flowmeter meter, and in showing, bar arrives and extracts position
Contraction state, then extracts flexible pipe and closes the first valve simultaneously, stops metering.
The utility model has the advantages that it is the metering device of bar in a kind of interior band activity, guarantee the installation and maintenance safety of gas field individual well meter on well top, be applicable to gas field well head Simple measuring.
1. realize and can remove and install flow meter without stopping well.
2. realized the simple and easy installation of not getting angry of meter on well top.
3. contact switch is installed and has been strengthened well head Simple measuring device safety in utilization.
Accompanying drawing explanation
When considered in conjunction with the accompanying drawings, by the detailed description with reference to below, can more completely understand better the utility model and easily learn wherein many advantages of following, but accompanying drawing described herein is used to provide further understanding of the present utility model, form a part of the present utility model, schematic description and description of the present utility model is used for explaining the utility model, do not form improper restriction of the present utility model, as schemed wherein:
Fig. 1 is the utility model gas well mouth Simple measuring apparatus structure generalized section;
Fig. 2 is office of the sealing ring portion sectional view of Fig. 1;
Fig. 3 is the utility model technique deployed condition schematic diagram;
Fig. 4 is the utility model technique contraction state schematic diagram;
Below in conjunction with drawings and Examples, the utility model is further illustrated.
The specific embodiment
Obviously the many modifications and variations that, those skilled in the art do based on aim of the present utility model belong to protection domain of the present utility model.
Embodiment 1: as Fig. 1, Fig. 2, Fig. 3, shown in Fig. 4, a kind of gas well mouth Simple measuring device, the top of cylinder connects top shelf 11, there is the first contact switch 1 below of top shelf 11, the first contact switch 1 is connected to cylinder, the bottom of cylinder connects the first valve 2, the second valve 3, unicom pipeline connection traffic meter 10, the top of unicom pipeline connects the top of cylinder, the bottom of unicom pipeline connects the bottom of cylinder, bar 4 and christmas tree pressure measurement valve 5 in the bottom connection activity of cylinder, the bottom of christmas tree pressure measurement valve 5 connects supporting pipeline, in the activity of supporting pipeline inner chamber, bar 4 bottoms have V-type rubber seal 6 to connect, the inner chamber of supporting pipeline and other pipeline are connected, other pipeline connects the 3rd valve 9, supporting pipeline has the second contact switch 8 to connect, the bottom of supporting pipeline connects christmas tree total valve 7.
A kind of gas well mouth Simple measuring device, its job step as shown in Figure 3, Figure 4, Fig. 4 when contraction state, by opening valve one, keep valve two to close, in the external form annular space of top, gas is discharged, cylinder is under natural gas internal pressure promotes, interior bar is moved down into ad-hoc location, and contact switch sends signal and passes to flowmeter meter, and in showing, bar arrives gas dosing position as Fig. 3.At this moment, gas flow is as Fig. 2, and natural gas, due to the lattice gear of V-type rubber seal, can only flow in the middle of interior bar, if Fig. 3 is from top to bottom around a circle process flow meter, starts metering, and last gas flows out through valve three from straight parallel pipeline section by annular space again.When deployed condition as Fig. 3, by flexible pipe, to the interior pressurising of valve one, cylinder is full of pressure, causes airtight annular space gas pressure to be greater than gas well pressure, can make interior bar upper body, the supreme contact switch of piston stroking upward, interior bar moves to top and arrives specific stop position, and contact switch sends signal and passes to flowmeter meter, in showing, bar arrives and extracts position, device becomes Fig. 4 contraction state, then extracts flexible pipe valve-off one simultaneously, stops metering.
For guaranteeing gas production safety, christmas tree is provided with christmas tree pressure measurement valve, two valves of christmas tree total valve, the utility model is before connection, should first guarantee christmas tree pressure measurement valve closing, then make device vertical, bottom of device and christmas tree top are by screwed connection, after installation connects, connect electric wire to the flow meter power supply on vertical pipeline section, flowmeter has after demonstration, opens christmas tree pressure measurement valve, measurement flow is communicated with, and starts gas well gauging.When dismounting, by valve one pressurising, the supreme contact switch of piston stroking upward, installs the contraction state into Fig. 4, closes christmas tree pressure valve every, opens after valve one or two releases, can remove in whole or in part metering device.
Embodiment 2: as Fig. 1, Fig. 2, Fig. 3, shown in Fig. 4, a kind of gas well mouth Simple measuring device, the top of cylinder connects top shelf 11, there is the first contact switch 1 below of top shelf 11, the first contact switch 1 connects cylinder, the bottom of cylinder connects the first valve 2, the second valve 3, unicom pipeline connection traffic meter 10, the top of unicom pipeline connects the top of cylinder, the bottom of unicom pipeline connects the bottom of cylinder, bar 4 and christmas tree pressure measurement valve 5 in the inner chamber connection activity of cylinder, the bottom of christmas tree pressure measurement valve 5 connects supporting pipeline, in the activity of supporting pipeline inner chamber, bar 4 bottoms have V-type rubber seal 6 to connect, the inner chamber of supporting pipeline and other pipeline are connected, other pipeline connects the 3rd valve 9, supporting pipeline has the second contact switch 8 to connect, the bottom of supporting pipeline connects christmas tree total valve 7.
A kind of gas well mouth Simple measuring process, contains following steps;
When contraction state, by opening the first valve 2, keep the second valve 3 to close, in the cylinder external form annular space on top, gas is discharged, cylinder is under natural gas internal pressure promotes, in movable, bar 4 is moved down into ad-hoc location, and contact switch sends signal and pass to the gauge outfit of flow meter 10, and in show events, bar 4 arrives gas dosing position;
At this moment, the other pipeline of gas flow, natural gas, because V-type rubber seal 6 stops, can only flow in the middle of movable interior bar 4,
Gas is from top to bottom around a circle process flow meter 10, and flow meter 10 starts metering, and last gas flows out through the 3rd valve 9 from straight parallel pipeline section by annular space again;
When deployed condition, by flexible pipe to the interior pressurising of the first valve 2, cylinder is full of pressure, cause airtight annular space gas pressure to be greater than gas well pressure, can make movable interior bar 4 upper bodies, supreme the first contact switch 1 of piston stroking upward, in movable, bar 4 moves to top and arrives specific stop position, the first contact switch 1 sends signal and passes to flowmeter meter, and in showing, bar arrives and extracts position
Contraction state, then extracts flexible pipe and closes the first valve 2 simultaneously, stops metering.
As mentioned above, embodiment of the present utility model is explained, but as long as not departing from fact inventive point of the present utility model and effect can have a lot of distortion, this will be readily apparent to persons skilled in the art.Therefore, within such variation is also all included in protection domain of the present utility model.
Claims (1)
1. a gas well mouth Simple measuring device, the top that it is characterized in that cylinder connects top shelf, there is the first contact switch the below of top shelf, the first contact switch connects cylinder, the bottom of cylinder connects the first valve, the second valve, unicom pipeline connection traffic meter, the top of unicom pipeline connects the top of cylinder, the bottom of unicom pipeline connects the bottom of cylinder, bar and christmas tree pressure measurement valve in the inner chamber connection activity of cylinder, the bottom of christmas tree pressure measurement valve connects supporting pipeline, in the activity of supporting pipeline inner chamber, bar bottom has V-type rubber seal to connect, the inner chamber of supporting pipeline and other pipeline are connected, other pipeline connects the 3rd valve, supporting pipeline has the second contact switch to connect, the bottom of supporting pipeline connects christmas tree total valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320725233.9U CN203626806U (en) | 2013-11-15 | 2013-11-15 | Simple metering device for gas well mouth |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320725233.9U CN203626806U (en) | 2013-11-15 | 2013-11-15 | Simple metering device for gas well mouth |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203626806U true CN203626806U (en) | 2014-06-04 |
Family
ID=50813295
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320725233.9U Expired - Fee Related CN203626806U (en) | 2013-11-15 | 2013-11-15 | Simple metering device for gas well mouth |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203626806U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104653169A (en) * | 2013-11-15 | 2015-05-27 | 中国石油天然气股份有限公司 | Simple metering device and process method for gas well wellhead |
-
2013
- 2013-11-15 CN CN201320725233.9U patent/CN203626806U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104653169A (en) * | 2013-11-15 | 2015-05-27 | 中国石油天然气股份有限公司 | Simple metering device and process method for gas well wellhead |
| CN104653169B (en) * | 2013-11-15 | 2017-10-17 | 中国石油天然气股份有限公司 | Simple metering device and process method for gas well wellhead |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140604 Termination date: 20211115 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |