CN202300371U - Mobile wellhead metering device for oil well - Google Patents
Mobile wellhead metering device for oil well Download PDFInfo
- Publication number
- CN202300371U CN202300371U CN2011203983891U CN201120398389U CN202300371U CN 202300371 U CN202300371 U CN 202300371U CN 2011203983891 U CN2011203983891 U CN 2011203983891U CN 201120398389 U CN201120398389 U CN 201120398389U CN 202300371 U CN202300371 U CN 202300371U
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- Prior art keywords
- oil well
- metering
- liquid separator
- medium
- cyclone gas
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- 239000003129 oil well Substances 0.000 title claims abstract description 35
- 239000007788 liquid Substances 0.000 claims abstract description 44
- 239000007791 liquid phase Substances 0.000 claims abstract description 10
- 239000012530 fluid Substances 0.000 claims description 14
- 230000008676 import Effects 0.000 claims description 6
- 239000007792 gaseous phase Substances 0.000 claims description 4
- 238000010992 reflux Methods 0.000 claims description 2
- 239000012071 phase Substances 0.000 abstract description 7
- 238000005259 measurement Methods 0.000 abstract description 6
- 230000000087 stabilizing effect Effects 0.000 abstract 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 14
- 238000000034 method Methods 0.000 description 9
- 239000007789 gas Substances 0.000 description 7
- 239000003345 natural gas Substances 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 6
- 239000003921 oil Substances 0.000 description 6
- 238000000926 separation method Methods 0.000 description 5
- 230000005484 gravity Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000009418 renovation Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
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- Measuring Volume Flow (AREA)
Abstract
The utility model relates to a mobile wellhead metering device for an oil well. The mobile wellhead metering device comprises a carrying car. The carrying car is provided with a medium inlet pipe and a medium return pipe; one end of the medium inlet pipe is connected with the wellhead metering inlet of an oil well ground gathering line; the other end of the medium inlet pipe is connected with the inlet of a cyclone gas-liquid separator; the cyclone gas-liquid separator is provided with a self-operated liquid level control device used for stabilizing a liquid level; the gas phase outlet of the cyclone gas-liquid separator is provided with an intelligent vortex precession flowmeter; the liquid phase outlet of the cyclone gas-liquid separator is provided with a mass flowmeter; the outlets of the intelligent vortex precession flowmeter and the mass flowmeter are connected with one end of the medium return pipe; and the other end of the medium return pipe is connected with the wellhead metering return inlet of the oil well ground gathering line. The mobile wellhead metering device for the oil well has the advantages of small size, light weight, simple structure, high stability, simplicity and convenience in operation and accuracy in metering, and is capable of realizing on-line metering and movable measurement.
Description
Technical field
The utility model belongs to the petroleum industry system field, and particularly a kind of portable well mouth of oil well metering device measures produced liquid in oil well and two output objects of natural gas.
Background technology
In the oil recovery process in oil field; As time goes on; Ground flow circuit constantly corrosion is aging, and in order to reduce pipe network maintenance and renovation expense, the pipe network improving mode that adopts a pipeline to be connected in series many wells is produced; Practiced thrift a large amount of pipe installation expenses, but the shared pipeline of many wells influences the metering of individual well output liquid, natural gas; Outlying regional oil well adopts the mode of tank car roping to produce, and the metering of oil well output object is mainly calculated according to the elevated tank liquid level change, and not only error is big, and natural gas can't measure.In order in time to follow the tracks of oil well output, foundation to be provided for efficiently developing oil reservoir; Need regularly oil well occurrence (production fluid amount, amount of natural gas and moisture etc. data) is measured; The method of metering output liquid mainly adopts the method for tank car demarcation at present: directly output to individual well output liquid in the tank car exactly; Utilize weighbridge to measure the weight of loading liquid in the tank car, convert out whole day output at last.The shortcoming of this method is that expense is high, the metering time is long, error is big.
At present; For measuring gas, the output of fluid that serial connection oil well and edge draw oily production well accurately and conveniently; The sled block mode that has generally adopted gravity separator+liquid level control section+measuring instrument+microcomputer to calculate automatically will be prized piece and be installed on well head or measuring station metering well head output.Inconvenient because of moving; The part metering device will be prized piece and be installed on the automobile chassis; Adopt the method for automobile chassis+three phase separator+measuring instrument+control system to measure, this device can be respectively measures respectively the Oil, Water, Gas three-phase output object of oil well output.Like the patent No. is that 95233385.6 Chinese utility model patent manual discloses three of a kind of portable individual wells and separates continuous metering device; This device all is installed in workplace, three phase separator, flow process and parts such as measuring instrument and support on the motor vehicle; Three phase separator adopts vertical and horizontal composite can structure, in instrument, pump, automatic control measuring equipment and Oil, Water, Gas metering process flow process and microcomputer all are installed between operation element.This metering device is bulky, control system and flow process complicated, needs instrument chemical examination crude oil water containing, and through Microcomputer Calculation output, complicated operation and device fabrication and operating cost are higher, and regular maintenance needs the professional and technical personnel, operation, safeguards all inconveniences.
The utility model content
But the purpose of the utility model provides, and a kind of measuring accuracy is high, volume is little, in light weight, the portable well mouth of oil well metering device of conveniently moving, on-line metering easy and simple to handle; In order to solve present gas liquid ratio big, yield poorly, the big oil well of well spacing, adopt measuring station eliminator glass tube oil gauge to be difficult to accurate measurement production fluid amount, move inconvenient problem when adopting other device metering.
For realizing goal of the invention; The technical scheme of the utility model is: a kind of portable well mouth of oil well metering device; Comprise transporting cars; The main part of metering device is set on the transporting cars, and main part comprises that cyclone gas-liquid separator, self-operated type fluid level control device, intelligent precession vortex flowmeter, mass flowmenter, medium get into pipe and medium back flow pipe; Medium gets into the well head metering inlet that Guan Yiduan is used to connect oil well surface gathering and transferring pipeline; The other end connects the import of said cyclone gas-liquid separator; Said cyclone gas-liquid separator is provided with the said self-operated type fluid level control device that is used for stablizing liquid level; Said cyclone gas-liquid separator gaseous phase outlet is provided with said intelligent precession vortex flowmeter; Said cyclone gas-liquid separator liquid phase outlet is provided with said mass flowmenter, and said intelligent precession vortex flowmeter exports an end that is connected said medium back flow pipe with mass flowmenter, and the other end of medium back flow pipe is used to connect the well head metering refluxing opening of oil well surface gathering and transferring pipeline.
The portable well mouth of oil well metering device of the utility model; Owing to adopt cyclone separator; Cyclone separator utilizes centrifugal principle to carry out gas-liquid separation; Separating effect is better than gravity separator; Cyclone gas-liquid separator has little, the lightweight advantage of volume simultaneously, has effectively guaranteed gas-liquid separation effect; Adopt the self-operated type fluid level control device, this control device is made up of float, connecting rod and upper and lower two control valves, has simple in structure, high reliability features, can effectively keep level stability in the separator.Intelligent vortex precession flowmeter is installed on the cyclone separator gaseous phase outlet, and this flow meter has temperature, pressure automatic compensation function, has effectively guaranteed the accurate measurement of oil well output natural gas; Installation quality flow meter in the outlet of cyclone separator liquid phase can directly show instantaneous mass flow and accumulative total mass flow, and is not only easy and simple to handle, and guaranteed the accurate metering of liquid phase.The utility model measures under the pressure condition of oil well ordinary production, has realized on-line metering.Whole device is arranged on the transporting cars, has realized removable measurement.
Further, said cyclone gas-liquid separator, self-operated type fluid level control device, intelligent precession vortex flowmeter and mass flowmenter fixedly form metering sled piece through frame.Said medium gets into pipe, the medium back flow pipe is high-pressure hose, supportingly on the high-pressure hose termination is provided with snap joint.
Description of drawings
Fig. 1 is the structural representation of the utility model.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is done further detailed explanation.
A kind of portable well mouth of oil well metering device as shown in Figure 1; Comprise transporting cars 1; Transporting cars 1 is through support 10 fixing metering sled pieces, and metering sled piece comprises cyclone gas-liquid separator 2, self-operated type fluid level control device 3, mass flowmenter 7, intelligent vortex precession flowmeter 6.Transporting cars 1 can adopt passenger-cargo carriage; When the metering oil well output; It is on-the-spot to drive passenger-cargo carriage to metering easily; Through snap joint the import high-pressure hose 8 of medium entering and the well head metering inlet of gathering line are connected, the outlet high-pressure hose 9 of medium back flow and the well head backflow mouth of gathering line are connected.Snap joint adopts the snap joint of A type stainless steel to connect.Said cyclone gas-liquid separator, self-operated type fluid level control device, intelligent precession vortex flowmeter and mass flowmenter all have existing matured product directly to utilize.
The oil well output object gets into cyclone gas-liquid separator 2 through import high-pressure hose 8 and carries out gas-liquid separation; The opening degree that self-operated type fluid level control device 3 passes through inner float and its top gas phase control valve 4 of connecting rod control and bottom liquid phase control valve 5 keeps cyclone gas-liquid separator 2 inner level stabilities (thereby balance of assurance eliminator import and liquid phase rate of discharge); Helix tube gas-liquid separator 2 isolated liquid phase substances flow to the device outlet after mass flowmenter 7 meterings; Also flow to the device outlet simultaneously after 6 meterings of natural gas via intelligence vortex precession flowmeter; The gas-liquid two-phase material mixes after device outlet high-pressure hose 9 gets into the surface gathering and transferring pipeline, is delivered to measuring station or multi-purpose station then.In the metering process, mass flowmenter 7 and intelligent vortex precession flowmeter 6 show instantaneous delivery, the integrated flow of liquid and gas material respectively, and video data compensates through the temperature, pressure of instrument automatically, need not revise and can directly use.
The oil well output object gets into cyclone separator 2 through import high-pressure hose 8 and eliminator inlet line; Because cyclone separator 2 utilizes centrifugal principle to carry out gas-liquid separation; So separating effect is superior to gravity separator; Cyclone gas-liquid separator 2 has little, the lightweight advantage of volume simultaneously, has effectively guaranteed gas-liquid separation effect; For dependable flow meter accurate measurement; Need to keep the eliminator liquid level stable; The utility model adopts self-operated type fluid level control device 3; This control device is made up of float, connecting rod and upper and lower two control valves (4,5), has simple in structure, high reliability features, can effectively keep level stability in the eliminator.Intelligent vortex precession flowmeter 6 is installed on the cyclone separator gaseous phase outlet, and this flow meter 6 has temperature, pressure automatic compensation function, has effectively guaranteed the accurate measurement of oil well output natural gas; Installation accuracy is 1.5 grades a mass flowmenter 7 in the outlet of cyclone separator liquid phase, can directly show instantaneous mass flow and accumulative total mass flow, and is not only easy and simple to handle, and guaranteed the accurate metering of liquid phase.The gas liquid diphase oil well output object is got back on the oil well surface gathering and transferring pipeline through outlet high-pressure hose 9 after converging a place after the instrument of metering sled piece, is delivered to measuring station or multi-purpose station then.The utility model measures under the pressure condition of oil well ordinary production, has realized on-line metering.
Claims (3)
1. portable well mouth of oil well metering device; Comprise transporting cars; It is characterized in that; The main part of metering device is set on the transporting cars, and main part comprises that cyclone gas-liquid separator, self-operated type fluid level control device, intelligent precession vortex flowmeter, mass flowmenter, medium get into pipe and medium back flow pipe; Medium gets into the well head metering inlet that Guan Yiduan is used to connect oil well surface gathering and transferring pipeline; The other end connects the import of said cyclone gas-liquid separator; Said cyclone gas-liquid separator is provided with the said self-operated type fluid level control device that is used for stablizing liquid level; Said cyclone gas-liquid separator gaseous phase outlet is provided with said intelligent precession vortex flowmeter; Said cyclone gas-liquid separator liquid phase outlet is provided with said mass flowmenter, and said intelligent precession vortex flowmeter exports an end that is connected said medium back flow pipe with mass flowmenter, and the other end of medium back flow pipe is used to connect the well head metering refluxing opening of oil well surface gathering and transferring pipeline.
2. a kind of portable well mouth of oil well metering device according to claim 1 is characterized in that, said cyclone gas-liquid separator, self-operated type fluid level control device, intelligent precession vortex flowmeter and mass flowmenter fixedly form metering sled piece through frame.
3. a kind of portable well mouth of oil well metering device according to claim 1 is characterized in that, said medium gets into pipe, the medium back flow pipe is high-pressure hose, supportingly on the high-pressure hose termination is provided with snap joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203983891U CN202300371U (en) | 2011-10-19 | 2011-10-19 | Mobile wellhead metering device for oil well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203983891U CN202300371U (en) | 2011-10-19 | 2011-10-19 | Mobile wellhead metering device for oil well |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202300371U true CN202300371U (en) | 2012-07-04 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203983891U Expired - Fee Related CN202300371U (en) | 2011-10-19 | 2011-10-19 | Mobile wellhead metering device for oil well |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202300371U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104775805A (en) * | 2015-03-19 | 2015-07-15 | 辽宁瑞邦石油技术发展有限公司 | Oil well mouth weighing type intelligent counter |
| CN104989371A (en) * | 2015-06-26 | 2015-10-21 | 中国石油化工股份有限公司胜利油田分公司 | Online water content analyzing device for oil well mouth |
| CN104989372A (en) * | 2015-06-26 | 2015-10-21 | 中国石油化工股份有限公司胜利油田分公司 | Device for online metering of oil well liquid amount by means of turbine method |
| CN105019883A (en) * | 2014-04-24 | 2015-11-04 | 中国石油化工股份有限公司 | Movable oil well metering apparatus |
| CN108798636A (en) * | 2018-08-31 | 2018-11-13 | 西安长庆科技工程有限责任公司 | A kind of mobile oil field the measure of production device and metering method |
| CN109519155A (en) * | 2018-10-31 | 2019-03-26 | 广州码云互联网科技有限公司 | A kind of petroleum collection device of petroleum drilling and mining |
| CN109882154A (en) * | 2019-04-19 | 2019-06-14 | 新疆成和天利能源科技股份有限公司 | A single well metering device |
| CN112878980A (en) * | 2021-03-24 | 2021-06-01 | 上海明罗石油天然气工程有限公司 | Multi-tube bundle separating and metering pry |
-
2011
- 2011-10-19 CN CN2011203983891U patent/CN202300371U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105019883A (en) * | 2014-04-24 | 2015-11-04 | 中国石油化工股份有限公司 | Movable oil well metering apparatus |
| CN104775805A (en) * | 2015-03-19 | 2015-07-15 | 辽宁瑞邦石油技术发展有限公司 | Oil well mouth weighing type intelligent counter |
| CN104989371A (en) * | 2015-06-26 | 2015-10-21 | 中国石油化工股份有限公司胜利油田分公司 | Online water content analyzing device for oil well mouth |
| CN104989372A (en) * | 2015-06-26 | 2015-10-21 | 中国石油化工股份有限公司胜利油田分公司 | Device for online metering of oil well liquid amount by means of turbine method |
| CN108798636A (en) * | 2018-08-31 | 2018-11-13 | 西安长庆科技工程有限责任公司 | A kind of mobile oil field the measure of production device and metering method |
| CN109519155A (en) * | 2018-10-31 | 2019-03-26 | 广州码云互联网科技有限公司 | A kind of petroleum collection device of petroleum drilling and mining |
| CN109882154A (en) * | 2019-04-19 | 2019-06-14 | 新疆成和天利能源科技股份有限公司 | A single well metering device |
| CN109882154B (en) * | 2019-04-19 | 2023-11-14 | 新疆成和天利能源科技股份有限公司 | Single well metering device |
| CN112878980A (en) * | 2021-03-24 | 2021-06-01 | 上海明罗石油天然气工程有限公司 | Multi-tube bundle separating and metering pry |
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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: 20120704 Termination date: 20141019 |
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| EXPY | Termination of patent right or utility model |