CN202914072U - Device for metering gas-liquid two-phase flow at well head of producing well - Google Patents
Device for metering gas-liquid two-phase flow at well head of producing well Download PDFInfo
- Publication number
- CN202914072U CN202914072U CN 201220502502 CN201220502502U CN202914072U CN 202914072 U CN202914072 U CN 202914072U CN 201220502502 CN201220502502 CN 201220502502 CN 201220502502 U CN201220502502 U CN 201220502502U CN 202914072 U CN202914072 U CN 202914072U
- Authority
- CN
- China
- Prior art keywords
- oil
- gauge line
- well
- metering
- well head
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Measuring Volume Flow (AREA)
Abstract
The utility model discloses a device for metering gas-liquid two-phase flow at a well head of a producing well and relates to the field of oil exploitation devices. A bracket is connected with a metering pipe through a weighing sensor, two ends of the metering pipe are flexibly connected with an oil inlet pipe and an oil outlet pipe through universal seal joints respectively, and a temperature and pressure sensor and an ultrasonic or Doppler probe are arranged on the metering pipe. When liquids in the oil well flow through the metering pipe, the ultrasonic (Doppler) probe detects speeds of the liquids, the weighing sensor weighs the instant liquids, and a data processing module calculates and fits data measured by various sensors to obtain a daily output of the oil well. According to the device, by means of the universal joints, flexible connection of the device and the well head of the producing well is achieved, and influences of metal pipeline connection on the weighing sensor are eliminated.
Description
Technical field
The utility model relates to the oil exploration equipment field, particularly oil well individual well gas-liquid two-phase fluid flow measurement technical field.
Background technology
Oil well is in recovery process, and the fluid that flows out from well head mostly is gas-liquid two-phase fluid.Conventional flow meter is because the impact of gas can't be carried out the gas-liquid two-phase metering; Utilize that the mass flowmenter cost is higher, air content more also can't be measured more accurately, measure the environmental requirement harshness, be difficult to fairly large use.Yet, for oil field development and oil recovery production management, understand the output of oil well unit interval, the potentiality to be exploited of following the tracks of current intelligence, evaluation and the prediction oil well block of subsurface deposit block, production capacity situation, adjustment and the optimization oil well production parameter etc. in general control oil field, carry out independent flow measurement (that is one-well metering) one of the technological means that is absolutely necessary for every mouthful of oil well.
The at present flow measurement of oilfield is mainly finished by measuring station.Usually, each measuring station is being undertaken the measure of production task of many mouthfuls of oil wells.By the metering of measuring station to the oil well production situation, can understand more in time, exactly the working condition of every mouthful of oil well, provide the reservoir engineering data for oil field geologic department simultaneously.Yet the measuring station labour intensity of employing human metering mode is large, efficient is low, and the human metering number of times is few, the time is short, and the metering result is representative poor, can't realize the continuous accurate measurement of well yield.The Weighing type gas-liquid biphase flowmeter, although done very large improvement, the structure relative complex, cost is still higher.
Summary of the invention
The purpose of this utility model provide a kind of cost lower, be not subjected to the comparatively accurate well head gas-liquid biphase flowmeter amount device of oil well measurement ambient influnence, fluid metering.
The utility model comprises support, connects gauge line by LOAD CELLS on described support, and the two ends of described gauge line flexibly connect by a Universal sealed joint and an oil inlet pipe and a flowline respectively separately; Be provided for measuring temperature and pressure transmitter and a pair of ultrasonic wave or the doppler transducer for measuring metering intraluminal fluid speed of oil body temperature and pressure in the gauge line at described gauge line; The signal output part of described temperature and pressure transmitter, ultrasonic wave or doppler transducer and LOAD CELLS is connected to the signal input part of data processing module.
Gauge line of the present utility model two ends Universal sealed joint is realized and flexibly connecting into and out of oil pipe, can eliminate oil pipe to the impact of LOAD CELLS, the real time data that obtains at LOAD CELLS deducts the deadweight of gauge line and Universal sealed joint, is the instantaneous fluid weight of the gauge line of flowing through.A pair of ultrasonic wave (or Doppler) probe of also installing on the gauge line is used for measuring flow through 2 speed of liquid, calculates liquid volume by mathematical formulae.The temperature, pressure measuring transducer that arranges on the gauge line can be measured the temperature and pressure of instantaneous fluid.
The utility model is to utilize the instantaneous fluid weight of flowing through of gauge line metering, utilize simultaneously dielectric constant and correlation measurement flow through this gauge line transient liquid speed or utilize ultrasonic wave or the flow through instantaneous velocity of measuring tube of the method measurement such as Doppler.Behind the liquid weight of learning the gauge line of flowing through, again owing to the density of known fluid Crude Oil, the density of water, moisture content in the crude oil also is known in addition, so just, can calculate gauge line liquid of inherent this moment on average to hold liquid level long-pending, this instantaneous area can draw its instantaneous weight flow at convenience with measured instantaneous velocity phase; This instantaneous delivery is carried out time integral, just can draw the flow value of unit interval.This apparatus structure is simple, is applicable to various different flows.
The operating principle of data processing module and computational methods:
1, utilizes weight sensor that gauge line is weighed, remove the measuring equipment deadweight and can get instantaneous fluid weight of flowing through
W i , dielectric constant that utilize to measure the fluid of flowing through is by correlation method or utilize ultrasonic wave or the method such as Doppler records the instantaneous velocity of the measuring tube of flowing through
V i
2, the known oil density of Oil Field
ρ o , the output water density
ρ w , the moisture content of production fluid
, suppose the metering pipe range
L(known) ignores the weight of gas in the gauge line, and so instantaneous to hold liquid level long-pending
A i For:
In the formula, g-acceleration of gravity
3, sometime the section t
0Volume flow Q
VtThen be:
W i With
V i All can be treated to the function of time t, so,
If t
0Be set as 24 hours, then the result is the production fluid amount of one day oil well.
By simple Mathematical treatment, can draw its mass flow.
4, reload temperature and pressure sensor on measuring tube can record pressure P and the temperature T of gas in the measuring tube.Utilize the equation for ideal gases formula can calculate the volume Vg of gas under standard state in the measuring tube, thereby can calculate the parameter that the Oil Fields such as gas liquid ratio, gas-oil ratio are concerned about.
In addition, be deposited on the gauge line bottom in order to prevent the solid impurity in the oil well liquid, gauge line described in the utility model is a hollow cylinder, and its endoporus is the cylindrical of inclination certain angle.Also can carry out the specially treateds such as anticorrosion, good antiscale property and Wax proofing at bore area.
The feeder ear of data processing module described in the utility model is exported with the lithium battery power supply on being arranged on frame and is connected, and solar panel also is set on described frame, and the output of described solar panel is connected with lithium battery power supply input.The utility model adopts little power consumption technology, takes full advantage of solar panel and lithium battery is charged, and need not to connect in addition power supply, has explosion prevention function, is more suitable for well mouth of oil well and uses.
Description of drawings
Fig. 1 is a kind of structural representation of the present utility model.
The specific embodiment
As shown in Figure 1, the utility model hangs by two LOAD CELLSs 3 on support 4 and connects a gauge line 6, and gauge line 6 is a hollow cylinder, and its endoporus is the cylindrical of inclination certain angle.
The two ends of gauge line 6 flexibly connect by a Universal sealed joint 1 and an oil inlet pipe and a flowline respectively separately.
Be provided for measuring temperature and pressure transmitter 9 and a pair of ultrasonic wave or the doppler transducer 10 for measuring metering intraluminal fluid speed of oil body temperature and pressure in the gauge line at gauge line 6.
The signal output part of temperature and pressure transmitter 9, ultrasonic wave or doppler transducer 10 and LOAD CELLS 3 is connected to the signal input part of the data processing module 2 that is arranged on the frame 1.
The feeder ear of data processing module 2 is connected with the power supply output of lithium battery 7 on being arranged on frame 1, and solar panel 8 also is set on frame 1, and the output of solar panel 8 is connected with the power input of lithium battery 7.
Claims (3)
1. well head gas-liquid biphase flowmeter amount device, it is characterized in that comprising support, connect gauge line by LOAD CELLS on described support, the two ends of described gauge line flexibly connect by a Universal sealed joint and an oil inlet pipe and a flowline respectively separately; Be provided for measuring temperature and pressure transmitter and a pair of ultrasonic wave or the doppler transducer for measuring metering intraluminal fluid speed of oil body temperature and pressure in the gauge line at described gauge line; The signal output part of described temperature and pressure transmitter, ultrasonic wave or doppler transducer and LOAD CELLS is connected to the signal input part of data processing module.
2. described well head gas-liquid biphase flowmeter amount device according to claim 1 is characterized in that described gauge line is a hollow cylinder, and its endoporus is the cylindrical of inclination certain angle.
3. described well head gas-liquid biphase flowmeter amount device according to claim 1 and 2, the feeder ear that it is characterized in that described data processing module is connected with lithium battery power supply output on being arranged on frame, solar panel also is set on described frame, and the output of described solar panel is connected with lithium battery power supply input.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220502502 CN202914072U (en) | 2012-09-27 | 2012-09-27 | Device for metering gas-liquid two-phase flow at well head of producing well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220502502 CN202914072U (en) | 2012-09-27 | 2012-09-27 | Device for metering gas-liquid two-phase flow at well head of producing well |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202914072U true CN202914072U (en) | 2013-05-01 |
Family
ID=48162393
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220502502 Expired - Fee Related CN202914072U (en) | 2012-09-27 | 2012-09-27 | Device for metering gas-liquid two-phase flow at well head of producing well |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202914072U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105909231A (en) * | 2016-04-13 | 2016-08-31 | 江苏华尔威科技集团有限公司 | Measurement flowmeter of crude oil single well |
-
2012
- 2012-09-27 CN CN 201220502502 patent/CN202914072U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105909231A (en) * | 2016-04-13 | 2016-08-31 | 江苏华尔威科技集团有限公司 | Measurement flowmeter of crude oil single well |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Rosenberry et al. | Use of an electromagnetic seepage meter to investigate temporal variability in lake seepage | |
| CN102759383B (en) | Method and device for online measurement of gas-phase flow rate of gas-liquid two-phase flow based on single throttling element | |
| CN102174887B (en) | Device for measuring annulus flow between sea bottom marine riser and drill column by using ultrasonic waves | |
| CN106609661A (en) | A drilling fluid flow detection device and method | |
| CN102606135B (en) | Detecting system for mass and flow of return solid particles in oil drilling shaft and detecting method | |
| CN105651349A (en) | Drilling fluid flow quantitative detection while drilling system and application thereof | |
| CN104776971A (en) | Visualization experiment device for liquid and sand carrying of gas flow | |
| CN108828262A (en) | A kind of wide-range groundwater velocity and direction test device and method | |
| CN201723213U (en) | Weighing type gas-liquid two-phase flowmeter | |
| CN107167200A (en) | Low production liquid horizontal well oil-gas-water three-phase flow accumulating conductance optical fibre flowmeter and system | |
| CN203321494U (en) | Small-diameter electromagnetic flow comprehensive logging instrument | |
| CN207600534U (en) | A kind of distributed stream measuring device | |
| CN107764247A (en) | Monitoring sediment instrument and monitoring sediment system | |
| CN202914072U (en) | Device for metering gas-liquid two-phase flow at well head of producing well | |
| CN202057366U (en) | Wide-range intelligence gas flow meter | |
| CN107246259A (en) | Tubular type oil well gas-liquid two-phase flow meter and its measuring method | |
| CN203132616U (en) | Combined type ultrasonic multichannel flow transmitter | |
| CN208672667U (en) | A kind of distribution acoustics doppler flow amount monitoring device | |
| CN204666329U (en) | A kind of air-flow is taken liquid and is taken sand visual experimental apparatus | |
| CN1105448A (en) | Method for measuring three-phase flow of oil, gas and water and apparatus thereof | |
| CN103245387A (en) | Small-liquid-amount gas-liquid two-phase oil well meter | |
| CN113686538B (en) | Experimental device for researching response characteristics of pipe flow and instrument under movement working condition | |
| CN205477586U (en) | Tubular oil well two -phase flow gauge | |
| CN212483615U (en) | Installation-free flow velocity and flow measurement device for measuring flow velocity in urban pipe network and natural water system | |
| CN202039840U (en) | Device for testing working fluid level in oil well through annular gas injection |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130501 Termination date: 20130927 |