CN104213914B - Accumulation type gas flowmeter and acquisition method - Google Patents
Accumulation type gas flowmeter and acquisition method Download PDFInfo
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- CN104213914B CN104213914B CN201310220281.7A CN201310220281A CN104213914B CN 104213914 B CN104213914 B CN 104213914B CN 201310220281 A CN201310220281 A CN 201310220281A CN 104213914 B CN104213914 B CN 104213914B
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- 238000000034 method Methods 0.000 title claims abstract description 19
- 238000009825 accumulation Methods 0.000 title claims abstract description 5
- 238000004519 manufacturing process Methods 0.000 claims abstract description 19
- 238000007789 sealing Methods 0.000 claims description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 23
- 238000005259 measurement Methods 0.000 claims description 12
- 238000009413 insulation Methods 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 8
- 239000003381 stabilizer Substances 0.000 claims description 8
- 238000004891 communication Methods 0.000 claims description 6
- 239000012530 fluid Substances 0.000 claims description 6
- 230000005611 electricity Effects 0.000 claims description 5
- 238000011896 sensitive detection Methods 0.000 claims description 5
- 238000007667 floating Methods 0.000 claims description 3
- 230000000903 blocking effect Effects 0.000 claims 1
- 239000007789 gas Substances 0.000 abstract description 76
- 239000003245 coal Substances 0.000 abstract description 4
- 239000002343 natural gas well Substances 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
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Abstract
An accumulation type gas flowmeter and an acquisition method belong to the technical field of logging of coal bed gas wells and natural gas wells. The device comprises a circuit board, a motor, a ball screw, a push-pull rod, a piston, a capacitance sensor and a gas collecting cylinder; wherein the joint is connected with the pressure-bearing cylinder; the circuit board is fixed on the circuit board framework, and the circuit board framework is connected with the joint; the motor is connected with a ball screw, and the ball screw is connected with a push-pull rod; the push-pull rod penetrates through the joint, and the joint is connected with the pressure-bearing cylinder; the push-pull rod is connected with the piston, and the piston is connected with the capacitance sensor; the gas collecting cylinder is connected with the joint; the circuit board is fixed on the circuit board framework, the motor is connected with the ball screw, and the ball screw is connected with the piston and the capacitance sensor through the push-pull rod; the circuit board, the circuit board framework, the motor and the ball screw are all arranged in the pressure bearing cylinder; the motor drives the ball screw and the push-pull rod to open or close the piston; the piston at the upper end of the gas collecting cylinder is closed, and the gas production is measured by measuring the time for which the gas collecting cylinder is filled with gas.
Description
Technical field
The present invention relates to a kind of accumulating gas flowmeter and acquisition method, belong to coal bed gas well and natural gas well well logging skill
Art field.
Background technology
It is sometimes desirable to understand the gas production of each layer in underground in natural gas and coal bed gas well production process, that is, measure aerogenesis
The production profile of well.Can be using measurement temperature, pressure, aqueous, density and turbine flow currently for the larger well of gas production
Method calculate the gas production of each layer in down-hole.However, for gas production less coal bed gas and the natural gas well, the method is then no
Method meets requirement.
Content of the invention
In order to overcome the deficiencies in the prior art, the present invention provides a kind of accumulating gas flowmeter and acquisition method, adopts
Collect the method measurement gas yield of gas, the logging requirements of low yield tolerance well can be applied to.
A kind of accumulating gas flowmeter, by circuit board, motor, ball-screw, pull bar, piston, capacitance sensor, gas
Body surge drum is constituted；Its center tap is connected with pressure-bearing cylinder；Circuit board is fixed on circuit board framework, and circuit board framework is with joint even
Connect；Motor is connected with ball-screw, and ball-screw is connected with pull bar；Pull bar passes through from joint, and joint is with pressure-bearing cylinder even
Connect；Pull bar is connected with piston, and piston is connected with capacitance sensor；Gas collection cylinder is connected with joint；
Circuit board is fixed on circuit board framework, and motor is connected with ball-screw, and ball-screw passes through pull bar and piston
And capacitance sensor connects；Circuit board, circuit board framework, motor and ball-screw are all contained in pressure-bearing cylinder；Motor drives ball
Leading screw and pull bar can make piston open or close；
First sealing ring, the second sealing ring are arranged on the first joint, and the 3rd sealing ring is arranged on the second pull bar, the
Four sealing rings, the 5th sealing ring are arranged on the second joint, and the 6th sealing ring is arranged on pull bar, and the 7th sealing ring is arranged on
On insulating base, the 8th sealing ring is arranged on insulation sleeve, and the 9th sealing ring is arranged on electrode tip holder；
Circuit board is fixed on circuit board framework；Motor is connected with decelerator, and decelerator lower end is connected with drive assembly, drives
Dynamic device assembly is connected with the first joint；Pressure-bearing cylinder passes through circuit board framework, motor, decelerator and drive assembly to be screwed in the first joint
On, pressure-bearing cylinder upper end is connected with joint；First pull bar and the second pull bar connect, the first pull bar insert in the first joint with
Drive assembly connects；Screw on first joint connecting tube, the second joint that connecting tube is screwed on；Electrode inserts electrode tip holder, in electrode
It is sequentially placed into electrode lock sleeve, insulation sleeve and insulation sleeve in seat；Pull bar connection electrode seat, pull bar inserts the second joint, pushes away
Pull bar and the second pull bar connect；Straightening support is installed in electrode lower end, and gas collection cylinder is screwed on the second joint；
First end point is that bus is connected with plug on instrument, and the second end points is connected with tool housing；First diode, the tenth
Resistance, the 11st resistance, the 12nd resistance, the 13rd resistance, the 14th resistance, the 15th resistance, the first voltage-stabiliser tube, second steady
Pressure pipe, the 8th electric capacity, the 9th electric capacity, the first triode, the second triode constitute mu balanced circuit；
17th resistance and the voltage of the 3rd voltage-stabiliser tube generation 5V, supply communication board from the 5th end points output；
It is floating that first resistor, second resistance, the first electric capacity, second electric capacity generation the second integrated package, the 4th integrated package use
Ground voltage；First A integrated package, 3rd resistor, the 4th resistance, the 3rd electric capacity composition oscillating circuit；Its output is integrated through a D
The 10 of block, 11 pin send into potentiometer, and the sliding end of potentiometer is connected to 3 pin of the second integrated package；3rd end points is passed with electric capacity
Sensor connects；Second integrated package, the 4th electric capacity and capacitance sensor constitute amplifying circuit；Impulse amplitude and electric capacity that it exports
The capacitance of sensor is relevant；The output IC2-6 of the second integrated package has delivered to the 3rd integrated package and the 6th electricity through the 5th electric capacity
Hold the phase-sensitive detection circuit of composition, pulse signal is changed into direct current signal by phase-sensitive detection circuit；The direct current signal of wave detector output
Amplifying circuit through the 4th integrated package, the 5th integrated package, the 6th resistance, the 7th resistance composition has delivered to the 6th integrated package after amplifying
5 pin；6th integrated package, the 8th resistance, the 7th electric capacity constitute voltage to frequency converter；Its output is through the 18th electricity
Resistance, the 9th resistance and the 4th end points have delivered to communication board, are eventually sent to ground instrument；6th integrated package is a three-terminal voltage-stabilizing
Device.
A kind of accumulating gas flow acquisition method it is characterised in that using collect gas method measurement gas yield,
When powering to instrument, under the control of circuit, motor can forward or reverse, piston is in the effect of ball-screw
Under can close or open；
When at flowmeter at the same time in the well of aerogenesis and water and piston by open steer off when, due to the proportion of gas
Less than water, the accumulation of gas can be formed below in piston；
Increase over time, gas-water interface can elapse gradually downward, final gas can be full of whole gas collection cylinder；
Therefore close gas full of the time of whole gas collection cylinder and the length of gas surge drum by recording piston,
Calculate the gas production of whole pit shaft；
For the smaller well of gas production, as long as extending the stand-by period, gas production equally can be accurately measured；
In measurement gas collection cylinder, the sensor of gas-water interface position is capacitance sensor；
When sensor is in full water, capacitance is maximum, and when sensor is in full gas, capacitance is minimum；
When in gas collection cylinder, gas-water interface elapses from top to bottom, sensor capacitance can be from large to small；
The size of sensor capacitance reflects the position of gas-water interface in gas collection cylinder；Measuring circuit is by sensor capacitance
Be converted to frequency signal and be sent to ground instrument；After piston is opened, the fluid state in flowmeter gas collection cylinder and pit shaft
In fluid state identical；
Piston measures the gas holdup in pit shaft after opening.
A kind of accumulating gas flow acquisition method, accumulating gas flowmeter is closed gas by record from piston and is received
In collection cylinder, the gassiness time calculates gas production；
Gas collection cylinder can be closed by piston or be opened；
Piston is mounted below capacitance sensor；
Piston passes through motor, ball-screw and pull bar etc. and moves up and down；
Circuit determines the position of gas-water interface in surge drum by the capacitance of measurement sensor.
Being tested by air water two-phase caliberating device proves that this instrument remains to accurately measure aerogenesis under conditions of 50 sides/sky
Amount.Its certainty of measurement is less than 10%.
It is an advantage of the invention that：
It is capable of the gas production of accurate measurement gas stringer；
In addition to measurement gas production, this instrument can also measure gas holdup.
Brief description
When considered in conjunction with the accompanying drawings, by referring to detailed description below, can more completely more fully understand the present invention with
And easily learn the adjoint advantage of many of which, but accompanying drawing described herein is used for providing a further understanding of the present invention,
Constitute the part of the present invention, the schematic description and description of the present invention is used for explaining the present invention, does not constitute to this
Bright improper restriction, such as figure are wherein：
Fig. 1 is the knot accumulating gas flowmeter structure schematic diagram of the present invention.
Fig. 2 is the partial structural diagram of the present invention.
Fig. 3 is the partial structural diagram of the present invention.
Fig. 4 is the partial structural diagram of the present invention.
Fig. 5 is the partial structural diagram of the present invention.
Fig. 6 is the partial structural diagram of the present invention.
Fig. 7 is the partial structural diagram of the present invention.
Fig. 8 is the motherboard circuit structural representation of the present invention.
The present invention is further described with reference to the accompanying drawings and examples.
Specific embodiment
Obviously, those skilled in the art belong to the guarantor of the present invention based on the many modifications and variations that spirit of the invention is done
Shield scope.
Embodiment 1：As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6 and Tu
The structure of 7 groups of integral present invention.
A kind of accumulating gas flow acquisition method, it, using the method measurement gas yield collecting gas, can be applied to
The logging requirements of low yield tolerance well.
With reference to Fig. 1, a kind of accumulating gas flowmeter, by circuit board A2, motor A5, ball-screw A6, pull bar A7, work
Plug A9, capacitance sensor A10, gas collection cylinder A11 etc. are constituted.Its center tap A1 is connected with pressure-bearing cylinder A4.Circuit board A2 fixes
On circuit board framework A3, circuit board framework A3 is connected with joint A8.Motor A5 is connected with ball-screw A6, ball-screw A6 with
Pull bar A7 connects.Pull bar A7 passes through from joint A8, and joint A8 is connected with pressure-bearing cylinder A4.Pull bar A7 and piston A9 is even
Connect, piston A9 is connected with capacitance sensor A10.Gas collection cylinder A11 is connected with joint A8.
When powering to instrument, under the control of circuit, motor can forward or reverse, piston A9 is in the work of ball-screw
With under can close or open.When at flowmeter at the same time in the well of aerogenesis and water and piston A9 by open steer off when,
The accumulation of gas because the proportion of gas is less than water, can be formed below in piston A9.Increase over time, gas-water interface can be by
Gradually elapse downwards, final gas can be full of whole gas collection cylinder.The length of gas collection cylinder is fixed, therefore passes through record
Piston A9 closes gas and is full of the time of whole gas collection cylinder it becomes possible to calculate the gas production of whole pit shaft.For product
The smaller well of tolerance, as long as extending the stand-by period, equally can accurately measure gas production.Air water in measurement gas collection cylinder
The sensor of interface location is capacitance sensor A10.When sensor is in full water, capacitance is maximum, when sensor is in entirely
When in gas, capacitance is minimum.When in gas collection cylinder, gas-water interface elapses from top to bottom, sensor capacitance can be from large to small.
Therefore, the position being sized to gas-water interface in reflection gas collection cylinder of sensor capacitance.Measuring circuit is electric by sensor
Appearance is converted to frequency signal and has been sent to ground instrument.After piston A9 opens, fluid state in flowmeter gas collection cylinder with
Fluid state in pit shaft is identical.Therefore, this instrument can also measure the gas holdup in pit shaft after piston A9 opens.
Circuit board is fixed on circuit board framework, and motor is connected with ball-screw, and ball-screw passes through pull bar and piston
A9 and capacitance sensor A10 connects.Circuit board, circuit board framework, motor and ball-screw are all contained in pressure-bearing cylinder.Motor drives
Ball-screw and pull bar can make piston A9 open or close.
A kind of accumulating gas flowmeter, concrete assembling process is that the first sealing ring 9, the second sealing ring 10 are arranged on
On one joint 8, the 3rd sealing ring 13 is arranged on the second pull bar 14, and the 4th sealing ring 15, the 5th sealing ring 17 are arranged on
On two joints 16, the 6th sealing ring 19 is arranged on pull bar 18, and the 7th sealing ring 22 is arranged on insulating base 21, the 8th sealing
Circle 23 is arranged on insulation sleeve 24, and the 9th sealing ring 26 is arranged on electrode tip holder 27；
Circuit board 4 is fixed on circuit board framework 3；Motor 5 is connected with decelerator 6, decelerator 6 lower end and drive assembly
7 connections, driver assembly 7 is connected with the first joint 8；Pressure-bearing cylinder 2 is passed through circuit board framework 3, motor 5, decelerator 6 and drives
Assembly 7 is screwed on the first joint 8, and pressure-bearing cylinder 2 upper end is connected with joint 1；First pull bar 11 and the second pull bar 14 are connected
Together, and the first pull bar 11 is inserted in the first joint 8 and be connected with drive assembly 7；First joint 8 is screwed on connecting tube
12, the second joint 16 of screwing in connecting tube 12；Electrode 28 is inserted electrode tip holder 27, electrode tip holder 27 is sequentially placed into electrode lock
Tight set 25, insulation sleeve 24 and insulating base 21；Connect pull bar 18 and electrode tip holder 27, pull bar 18 is inserted the second joint 16, makes
Pull bar 18 and the second pull bar 14 link together；Install straightening support 30 in electrode 28 lower end, by gas collection cylinder 29
It is screwed on the second joint 16.Instrument assembling finishes.
In Fig. 8, first end point E1 is that bus is connected with plug on instrument, and the second end points E2 is connected with tool housing.One or two
Pole pipe CR1, the tenth resistance R10, the 11st resistance R11, the 12nd resistance R12, the 13rd resistance R13, the 14th resistance R14,
15th resistance R15, the first voltage-stabiliser tube VR1, the second voltage-stabiliser tube VR2, the 8th electric capacity C8, the 9th electric capacity C9, the first triode Q1,
Second triode Q2 etc. constitutes mu balanced circuit, produces circuit required voltage.
The voltage that 17th resistance R17 and the 3rd voltage-stabiliser tube VR3 produces 5V uses for communication board from the 5th end points E5 output.
First resistor R1, second resistance R2, the first electric capacity C1, second electric capacity C2 generation the second ic chip the 2, the 4th are integrated
The floating ground voltage that block IC4A uses.First A ic chip 1A, 3rd resistor R3, the 4th resistance R4, the 3rd electric capacity C3 constitute and shake
Swing circuit.Its output sends into potentiometer P1 through 10,11 pin of a D ic chip 1D, and the sliding end of potentiometer P1 is connected to
3 pin of the second ic chip 2.3rd end points E3 is connected with capacitance sensor A10.Second ic chip 2, the 4th electric capacity C4 and
Capacitance sensor A10 constitutes amplifying circuit.The impulse amplitude that it exports is relevant with the capacitance of capacitance sensor A10.Second
The output IC2-6 of ic chip 2 has delivered to, through the 5th electric capacity C5, the phase sensitivity being made up of the 3rd ic chip 3A and the 6th electric capacity C6
Detecting circuit, pulse signal is changed into direct current signal by phase-sensitive detection circuit.The direct current signal of wave detector output is through the 4th integrated package
IC4A, the 5th ic chip 4B, the 6th resistance R6, the amplifying circuit of the 7th resistance R7 composition have delivered to the 6th integrated package after amplifying
5 pin of IC5.6th ic chip 5, the 8th resistance R8, the 7th electric capacity C7 constitute voltage to frequency converter.Its output is passed through
18th resistance R18, the 9th resistance R9 and the 4th end points E4 have delivered to communication board, are eventually sent to ground instrument.6th integrated package
IC6 is a three terminal regulator.
As described above, being explained to embodiments of the invention, but as long as essentially without depart from this
Bright inventive point and effect can have a lot of deformation, and this will be readily apparent to persons skilled in the art.Therefore, this
The variation of sample is also integrally incorporated within protection scope of the present invention.
Claims (5)
1. a kind of accumulating gas flowmeter is it is characterised in that include circuit board, motor, ball-screw, pull bar, piston, electricity
Hold sensor, gas collection cylinder；Wherein the 3rd joint is connected with pressure-bearing cylinder；Circuit board is fixed on circuit board framework, circuit board
Skeleton is connected with the 4th joint；Motor is connected with ball-screw, and ball-screw is connected with pull bar；Pull bar is from the 4th joint
Pass through, the 4th joint is connected with pressure-bearing cylinder；Pull bar is connected with piston, and piston is connected with capacitance sensor；Gas collection cylinder with
4th joint connects；
Circuit board, circuit board framework, motor and ball-screw are all contained in pressure-bearing cylinder；Motor drives ball-screw and pull bar energy
Piston is enough made to open or close；
First sealing ring, the second sealing ring are arranged on the first joint, and the 3rd sealing ring is arranged on the second pull bar, and the 4th is close
Seal, the 5th sealing ring are arranged on the second joint, and the 6th sealing ring is arranged on pull bar, and the 7th sealing ring is arranged on insulation
On seat, the 8th sealing ring is arranged on insulation sleeve, and the 9th sealing ring is arranged on electrode tip holder；
Motor is connected with decelerator, and decelerator lower end is connected with drive assembly, and driver assembly is connected with the first joint；Pressure-bearing cylinder
It is screwed on the first joint through circuit board framework, motor, decelerator and drive assembly, pressure-bearing cylinder upper end is connected with the 3rd joint；
First pull bar and the second pull bar connect, and the first pull bar is inserted in the first joint and is connected with drive assembly；On first joint
Screw on connecting tube, the second joint that connecting tube is screwed on；Electrode insert electrode tip holder, be sequentially placed in electrode tip holder electrode lock sleeve,
Insulation sleeve and insulating base；Pull bar connection electrode seat, pull bar inserts the second joint, and pull bar and the second pull bar connect；Electricity
Straightening support is installed in pole lower end, and gas collection cylinder is screwed on the second joint；
On circuit board, first end point is that bus is connected with plug on accumulating gas flowmeter, the second end points and accumulating gas stream
Gauge cage connection；First diode, the tenth resistance, the 11st resistance, the 12nd resistance, the 13rd resistance, the 14th resistance,
15th resistance, the first voltage-stabiliser tube, the second voltage-stabiliser tube, the 8th electric capacity, the 9th electric capacity, the first triode, the second triode composition
Mu balanced circuit；
The voltage of the 17th resistance and the 3rd voltage-stabiliser tube generation 5V on circuit board, supplies communication board from the 5th end points output；
On circuit board, first resistor, second resistance, the first electric capacity, the second electric capacity produce the second integrated package, the 4th integrated package use
Floating ground voltage；First A integrated package, 3rd resistor, the 4th resistance, the 3rd electric capacity composition oscillating circuit；Its output is through a D
The 10 of integrated package, 11 pin send into potentiometer, and the sliding end of potentiometer is connected to 3 pin of the second integrated package；3rd end points and electricity
Hold sensor to connect；Second integrated package, the 4th electric capacity and capacitance sensor constitute amplifying circuit；It export impulse amplitude with
The capacitance of capacitance sensor is relevant；The output IC2-6 of the second integrated package has delivered to the 3rd integrated package and through the 5th electric capacity
The phase-sensitive detection circuit of six electric capacity compositions, pulse signal is changed into direct current signal by phase-sensitive detection circuit；The direct current of wave detector output
The amplifying circuit through the 4th integrated package, the 5th integrated package, the 6th resistance, the 7th resistance composition for the signal has delivered to the 6th collection after amplifying
5 blocking pin；6th integrated package, the 8th resistance, the 7th electric capacity constitute voltage to frequency converter；It exports through the 18th
Resistance, the 9th resistance and the 4th end points have delivered to communication board, are eventually sent to ground instrument；6th integrated package is a three-terminal voltage-stabilizing
Device.
2. a kind of accumulating gas flow acquisition method it is characterised in that using collect gas method measurement gas yield,
When powering to accumulating gas flowmeter, under the control of circuit, motor can forward or reverse, piston is in ball wire
Can close in the presence of thick stick or open；
When at flowmeter at the same time in the well of aerogenesis and water and piston by open steer off when, the proportion due to gas compares water
Little, the accumulation of gas can be formed below in piston；
Increase over time, gas-water interface can elapse gradually downward, final gas can be full of whole gas collection cylinder；
Therefore close gas full of the time of whole gas collection cylinder and the length of gas surge drum by recording piston, calculate
Go out the gas production of whole pit shaft；
For the smaller well of gas production, as long as extending the stand-by period, gas production equally can be accurately measured；
In measurement gas collection cylinder, the sensor of gas-water interface position is capacitance sensor；
When sensor is in full water, capacitance is maximum, and when sensor is in full gas, capacitance is minimum；
When in gas collection cylinder, gas-water interface elapses from top to bottom, sensor capacitance can be from large to small；
The size of sensor capacitance reflects the position of gas-water interface in gas collection cylinder；Sensor capacitance is changed by measuring circuit
It has been sent to ground instrument for frequency signal；After piston is opened, in the fluid state and pit shaft in flowmeter gas collection cylinder
Fluid state is identical；
Piston measures the gas holdup in pit shaft after opening.
3. a kind of accumulating gas flow acquisition method according to claim 2 it is characterised in that：Institute in gas collection cylinder
The number of inflatable body is measured using capacitance sensor.
4. a kind of accumulating gas flow acquisition method according to claim 2 it is characterised in that：Motor and ball-screw
Connect, ball-screw is connected with piston and capacitance sensor by pull bar；Circuit board, circuit board framework, motor and ball wire
Thick stick is all contained in pressure-bearing cylinder；Motor drives ball-screw and pull bar that piston can be made to open or close；The closing of piston with beat
Opening motor drives ball-screw and pull bar to realize.
5. a kind of accumulating gas flow acquisition method according to claim 2 it is characterised in that：The length of gas collection cylinder
Degree is fixed, therefore closes the time full of whole gas collection cylinder for the gas it becomes possible to calculate whole by recording piston
The gas production of individual pit shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310220281.7A CN104213914B (en) | 2013-06-05 | 2013-06-05 | Accumulation type gas flowmeter and acquisition method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310220281.7A CN104213914B (en) | 2013-06-05 | 2013-06-05 | Accumulation type gas flowmeter and acquisition method |
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| Publication Number | Publication Date |
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| CN104213914A CN104213914A (en) | 2014-12-17 |
| CN104213914B true CN104213914B (en) | 2017-02-15 |
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| CN201310220281.7A Active CN104213914B (en) | 2013-06-05 | 2013-06-05 | Accumulation type gas flowmeter and acquisition method |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105134203A (en) * | 2015-09-08 | 2015-12-09 | 大庆宏测技术服务有限公司 | Multi-phase flow sampling logging instrument for withdrawal well |
| CN113533506A (en) * | 2021-06-25 | 2021-10-22 | 中国船舶重工集团公司第七一九研究所 | External pipeline damage detection device and detection method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4391135A (en) * | 1980-04-14 | 1983-07-05 | Mobil Oil Corporation | Automatic liquid level monitor |
| US6098020A (en) * | 1997-04-09 | 2000-08-01 | Shell Oil Company | Downhole monitoring method and device |
| CN2574019Y (en) * | 2002-09-30 | 2003-09-17 | 刘宝和 | Automatic oil-gas-water meter |
| CN101324186A (en) * | 2008-07-04 | 2008-12-17 | 西安交通大学 | Device for measuring oil, gas, water three phase flow containing rate |
| EP2447682A2 (en) * | 2010-10-29 | 2012-05-02 | PRAD Research and Development Limited | Downhole flow meter |
| CN103089255A (en) * | 2012-12-14 | 2013-05-08 | 西安石天电子有限责任公司 | Multi-phase flow logging instrument adopting full flow-collecting dynamic interface tracking method |
-
2013
- 2013-06-05 CN CN201310220281.7A patent/CN104213914B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4391135A (en) * | 1980-04-14 | 1983-07-05 | Mobil Oil Corporation | Automatic liquid level monitor |
| US6098020A (en) * | 1997-04-09 | 2000-08-01 | Shell Oil Company | Downhole monitoring method and device |
| CN2574019Y (en) * | 2002-09-30 | 2003-09-17 | 刘宝和 | Automatic oil-gas-water meter |
| CN101324186A (en) * | 2008-07-04 | 2008-12-17 | 西安交通大学 | Device for measuring oil, gas, water three phase flow containing rate |
| EP2447682A2 (en) * | 2010-10-29 | 2012-05-02 | PRAD Research and Development Limited | Downhole flow meter |
| CN103089255A (en) * | 2012-12-14 | 2013-05-08 | 西安石天电子有限责任公司 | Multi-phase flow logging instrument adopting full flow-collecting dynamic interface tracking method |
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| CN104213914A (en) | 2014-12-17 |
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