CN104213914A - Accumulation type gas flowmeter and acquisition method - Google Patents
Accumulation type gas flowmeter and acquisition method Download PDFInfo
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- CN104213914A CN104213914A CN201310220281.7A CN201310220281A CN104213914A CN 104213914 A CN104213914 A CN 104213914A CN 201310220281 A CN201310220281 A CN 201310220281A CN 104213914 A CN104213914 A CN 104213914A
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- 238000000034 method Methods 0.000 title claims abstract description 20
- 238000009825 accumulation Methods 0.000 title claims abstract description 6
- 238000004519 manufacturing process Methods 0.000 claims abstract description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 30
- 238000007789 sealing Methods 0.000 claims description 27
- 239000003638 chemical reducing agent Substances 0.000 claims description 9
- 238000009413 insulation Methods 0.000 claims description 9
- 239000003381 stabilizer Substances 0.000 claims description 9
- 239000012530 fluid Substances 0.000 claims description 8
- 238000005259 measurement Methods 0.000 claims description 8
- 238000004891 communication Methods 0.000 claims description 6
- 238000011896 sensitive detection Methods 0.000 claims description 6
- 230000000694 effects Effects 0.000 claims description 5
- 238000004458 analytical method Methods 0.000 claims description 4
- 238000007667 floating Methods 0.000 claims description 3
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 239000007789 gas Substances 0.000 abstract description 81
- 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
- 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
- 238000012360 testing method Methods 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 flow and take into account acquisition method, belong to coal bed gas well and natural gas well logging technique field.
Background technology
In natural gas and coal bed gas well manufacturing process, sometimes need the gas production understanding each layer in underground, namely measure the production profile of gas-producing well.At present, for the gas production that the well that gas production is larger can utilize measuring tempeature, pressure, the method for moisture, density and turbine flow calculates each layer in down-hole.But the coal bed gas less for gas production and the natural gas well, the method then cannot meet the demands.
Summary of the invention
In order to overcome the deficiencies in the prior art, the invention provides a kind of accumulating gas flow and taking into account acquisition method, adopt the method for collecting gas to measure gas output, the logging requirements of low gas production well can be applicable to.
A kind of accumulating gas flowmeter, is made up of circuit board, motor, ball-screw, pull bar, piston, capacitance sensor, gas collection cylinder; Its center tap is connected with pressure-bearing cylinder; Circuit board is fixed on circuit board framework, and circuit board framework is connected with joint; Motor is connected with ball-screw, and ball-screw is connected with pull bar; Pull bar passes from joint, and joint is connected with pressure-bearing cylinder; 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 is connected with piston and capacitance sensor by pull bar; Circuit board, circuit board framework, motor and ball-screw are all contained in pressure-bearing cylinder; Motor driving ball-screw and pull bar can make piston open or close;
First sealing ring, the second sealing ring are arranged on the first joint, 3rd sealing ring is arranged on the second pull bar, 4th sealing ring, the 5th sealing ring are arranged on the second joint, 6th sealing ring is arranged on pull bar, 7th sealing ring is arranged on insulating base, 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 reducer, and reducer lower end is connected with driving assembly, and driver assembly is connected with the first joint; Pressure-bearing cylinder is screwed on the first joint through circuit board framework, motor, reducer and driving assembly, and pressure-bearing cylinder upper end is connected with joint; First pull bar is connected with the second pull bar, and the first pull bar inserts in the first joint and is connected with driving assembly; First joint to be screwed on tube connector, the second joint that tube connector is screwed on; Electrode electrode insertion seat, puts into electrode lock sleeve, insulation sleeve and insulation sleeve successively in electrode tip holder; Pull bar connecting electrode seat, pull bar inserts the second joint, and pull bar is connected with the second pull bar; Straightening support is installed in electrode lower end, and gas collection cylinder is screwed on the second joint;
First end points is connected with plug on instrument and bus, and the second end points is connected with tool housing; First diode, the tenth resistance, the 11 resistance, the 12 resistance, the 13 resistance, the 14 resistance, the 15 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 constitute mu balanced circuit;
17 resistance and the 3rd voltage-stabiliser tube produce the voltage of 5V, export for communication board from five terminal point;
The floating ground voltage that first resistance, the second resistance, the first electric capacity, the second electric capacity produce the second integrated package, the 4th integrated package uses; One A integrated package, the 3rd resistance, the 4th resistance, the 3rd electric capacity composition oscillating circuit; Its 10,11 pin exported through a D integrated package send into potentiometer, and the sliding end of potentiometer is connected to 3 pin of the second integrated package; 3rd end points is connected with capacitance sensor; Second integrated package, the 4th electric capacity and capacitance sensor constitute amplifying circuit; The impulse amplitude that it exports is relevant with the capacitance of capacitance sensor; The output IC2-6 of the second integrated package has delivered to the phase-sensitive detection circuit be made up of the 3rd integrated package and the 6th electric capacity through the 5th electric capacity, pulse signal is become direct current signal by phase-sensitive detection circuit; The direct current signal that wave detector exports has delivered to 5 pin of the 6th integrated package after the amplifying circuit of the 4th integrated package, the 5th integrated package, the 6th resistance, the 7th resistance composition amplifies; 6th integrated package, the 8th resistance, the 7th electric capacity constitute voltage-frequency converter; Its output has delivered to communication board through the 18 resistance, the 9th resistance and the 4th end points, is finally sent to ground instrument; 6th integrated package is a three terminal regulator.
A kind of accumulating gas flow acquisition method, is characterized in that adopting the method for collecting gas to measure gas output,
When powering to instrument, under the control of circuit, motor can forward or reverse, and piston can close or open under the effect of ball-screw;
When flow meter to be in the well of simultaneously aerogenesis and water and piston by open turn to closedown time, because the proportion of gas is less than water, the accumulation of gas can be formed below piston;
Along with the increase of time, gas-water interface can be passed downwards gradually, and final gas can be full of whole gas collection cylinder;
Therefore be closed to gas by recording and analyses and be full of the time of whole gas collection cylinder and the length of gas surge drum, calculate the gas production of whole pit shaft;
For the well that gas production is smaller, as long as extend the stand-by period, gas production can be measured exactly equally;
In measurement gas surge drum, 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 is passed from top to bottom, sensor capacitance can be from large to small;
The position of gas-water interface in the size reflection gas collection cylinder of sensor capacitance; Sensor capacitance is converted to frequency signal and has been sent to ground instrument by measuring circuit; After piston is opened, the fluid state in flow meter gas collection cylinder is identical with the fluid state in pit shaft;
Piston opens the gas holdup in rear measurement pit shaft.
A kind of accumulating gas flow acquisition method, accumulating gas flowmeter is closed to the gassiness time gas collection cylinder by record from piston and calculates gas production;
Gas collection cylinder can be closed by piston or open;
Below piston, capacitance sensor is installed;
Piston is moved up and down by motor, ball-screw and pull bar etc.;
Circuit is by the position of gas-water interface in the capacitance determination surge drum of measuring transducer.
Prove that this instrument still can Measurement accuracy gas production under the condition in 50 sides/sky by the test of air water two-phase caliberating device.Its certainty of measurement is less than 10%.
Advantage of the present invention is:
Accurately can measure the gas production of gas stringer;
Except measuring gas production, this instrument can also measure gas holdup.
Accompanying drawing explanation
When considered in conjunction with the accompanying drawings, by referring to detailed description below, more completely can understand the present invention better and easily learn wherein many adjoint advantages, but accompanying drawing described herein is used to provide a further understanding of the present invention, form a part of the present invention, schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention, as schemed wherein:
Fig. 1 is knot accumulating gas flowmeter structure schematic diagram of the present invention.
Fig. 2 is partial structurtes schematic diagram of the present invention.
Fig. 3 is partial structurtes schematic diagram of the present invention.
Fig. 4 is partial structurtes schematic diagram of the present invention.
Fig. 5 is partial structurtes schematic diagram of the present invention.
Fig. 6 is partial structurtes schematic diagram of the present invention.
Fig. 7 is partial structurtes schematic diagram of the present invention.
Fig. 8 is motherboard circuit structural representation of the present invention.
Below in conjunction with drawings and Examples, the present invention is further described.
Detailed description of the invention
Obviously, the many modifications and variations that those skilled in the art do based on aim of the present invention belong to protection scope of the present invention.
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 Fig. 7 form overall structure of the present invention.
A kind of accumulating gas flow acquisition method, it adopts the method for collecting gas to measure gas output, can be applicable to the logging requirements of low gas production well.
With reference to figure 1, a kind of accumulating gas flowmeter, is made up of circuit board A2, motor A5, ball-screw A6, pull bar A7, piston A9, capacitance sensor A10, gas collection cylinder A11 etc.Its center tap A1 is connected with pressure-bearing cylinder A4.Circuit board A2 is fixed on circuit board framework A3, and circuit board framework A3 is connected with joint A8.Motor A5 is connected with ball-screw A6, and ball-screw A6 is connected with pull bar A7.Pull bar A7 passes from joint A8, and joint A8 is connected with pressure-bearing cylinder A4.Pull bar A7 is connected with piston A9, and 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, and piston A9 can close or open under the effect of ball-screw.When flow meter to be in the well of simultaneously aerogenesis and water and piston A9 by open turn to closedown time, because the proportion of gas is less than water, the accumulation of gas can be formed below piston A9.Along with the increase of time, gas-water interface can be passed downwards gradually, and final gas can be full of whole gas collection cylinder.The length of gas collection cylinder is fixed, is therefore closed to by recording and analyses A9 the time that gas is full of whole gas collection cylinder, just can calculates the gas production of whole pit shaft.For the well that gas production is smaller, as long as extend the stand-by period, gas production can be measured exactly equally.In measurement gas surge drum, the sensor of gas-water interface position is capacitance sensor A10.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 is passed from top to bottom, sensor capacitance can be from large to small.Therefore, the size of sensor capacitance can reflect the position of gas-water interface in gas collection cylinder.Sensor capacitance is converted to frequency signal and has been sent to ground instrument by measuring circuit.After piston A9 opens, the fluid state in flow meter gas collection cylinder is identical with the fluid state in pit shaft.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 is connected with piston A9 and capacitance sensor A10 by pull bar.Circuit board, circuit board framework, motor and ball-screw are all contained in pressure-bearing cylinder.Motor driving ball-screw and pull bar can make piston A9 open or close.
A kind of accumulating gas flowmeter, concrete assembling process is, first sealing ring 9, second sealing ring 10 is arranged on the first joint 8,3rd sealing ring 13 is arranged on the second pull bar 14,4th sealing ring 15, the 5th sealing ring 17 are arranged on the second joint 16, and the 6th sealing ring 19 is arranged on pull bar 18, and the 7th sealing ring 22 is arranged on insulating base 21,8th sealing ring 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 reducer 6, and reducer 6 lower end is connected with driving assembly 7, and driver assembly 7 is connected with the first joint 8; Be screwed on the first joint 8 by pressure-bearing cylinder 2 through circuit board framework 3, motor 5, reducer 6 and driving assembly 7, pressure-bearing cylinder 2 upper end is connected with joint 1; First pull bar 11 and the second pull bar 14 are linked together, and the first pull bar 11 is inserted in the first joint 8 with driving assembly 7 be connected; First joint 8 to be screwed on tube connector 12, the second joint 16 that tube connector 12 is screwed on; By electrode 28 electrode insertion seat 27, in electrode tip holder 27, put into electrode lock sleeve 25, insulation sleeve 24 and insulation sleeve 21 successively; Connect pull bar 18 and electrode tip holder 27, pull bar 18 is inserted the second joint 16, pull bar 18 and the second pull bar 14 are linked together; Install straightening support 30 in electrode 29 lower end, gas collection cylinder 29 is screwed on the second joint 16.Instrument assembling is complete.
In Fig. 8, the first end points E1 is connected with plug on instrument and bus, and the second end points E2 is connected with tool housing.First diode CR1, the tenth resistance R10, the 11 resistance R11, the 12 resistance R12, the 13 resistance R13, the 14 resistance R14, the 15 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, the second triode Q2 etc. constitute mu balanced circuit, produce circuit required voltage.
The voltage that 17 resistance R17 and the 3rd voltage-stabiliser tube VR3 produces 5V exports for communication board from five terminal point E5.
The floating ground voltage that first resistance R1, the second resistance R2, the first electric capacity C1, the second electric capacity C2 produce the second ic chip 2, the 4th ic chip 4A uses.One A ic chip 1A, the 3rd resistance R3, the 4th resistance R4, the 3rd electric capacity C3 constitute oscillating circuit.Its 10,11 pin exported through a D ic chip 1D send into potentiometer P1, 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 constitute amplifying circuit.The impulse amplitude that it exports is relevant with the capacitance of capacitance sensor A10.The output IC2-6 of the second ic chip 2 has delivered to the phase-sensitive detection circuit be made up of the 3rd ic chip 3A and the 6th electric capacity C6 through the 5th electric capacity C5, pulse signal is become direct current signal by phase-sensitive detection circuit.The direct current signal that wave detector exports has delivered to 5 pin of the 6th ic chip 5 after the amplifying circuit that the 4th ic chip 4A, the 5th ic chip 4B, the 6th resistance R6, the 7th resistance R7 form amplifies.6th ic chip 5, the 8th resistance R8, the 7th electric capacity C7 constitute voltage-frequency converter.Its output has delivered to communication board through the 18 resistance R18, the 9th resistance R9 and the 4th end points E4, is finally sent to ground instrument.6th ic chip 6 is three terminal regulators.
As mentioned above, embodiments of the invention are explained, but as long as do not depart from inventive point of the present invention in fact and effect can have a lot of distortion, this will be readily apparent to persons skilled in the art.Therefore, such variation is also all included within protection scope of the present invention.
Claims (5)
1. an accumulating gas flowmeter, is characterized in that, is made up of circuit board, motor, ball-screw, pull bar, piston, capacitance sensor, gas collection cylinder; Its center tap is connected with pressure-bearing cylinder; Circuit board is fixed on circuit board framework, and circuit board framework is connected with joint; Motor is connected with ball-screw, and ball-screw is connected with pull bar; Pull bar passes from joint, and joint is connected with pressure-bearing cylinder; 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 is connected with piston and capacitance sensor by pull bar; Circuit board, circuit board framework, motor and ball-screw are all contained in pressure-bearing cylinder; Motor driving ball-screw and pull bar can make piston open or close;
First sealing ring, the second sealing ring are arranged on the first joint, 3rd sealing ring is arranged on the second pull bar, 4th sealing ring, the 5th sealing ring are arranged on the second joint, 6th sealing ring is arranged on pull bar, 7th sealing ring is arranged on insulating base, 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 reducer, and reducer lower end is connected with driving assembly, and driver assembly is connected with the first joint; Pressure-bearing cylinder is screwed on the first joint through circuit board framework, motor, reducer and driving assembly, and pressure-bearing cylinder upper end is connected with joint; First pull bar is connected with the second pull bar, and the first pull bar inserts in the first joint and is connected with driving assembly; First joint to be screwed on tube connector, the second joint that tube connector is screwed on; Electrode electrode insertion seat, puts into electrode lock sleeve, insulation sleeve and insulation sleeve successively in electrode tip holder; Pull bar connecting electrode seat, pull bar inserts the second joint, and pull bar is connected with the second pull bar; Straightening support is installed in electrode lower end, and gas collection cylinder is screwed on the second joint;
First end points is connected with plug on instrument and bus, and the second end points is connected with tool housing; First diode, the tenth resistance, the 11 resistance, the 12 resistance, the 13 resistance, the 14 resistance, the 15 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 constitute mu balanced circuit;
17 resistance and the 3rd voltage-stabiliser tube produce the voltage of 5V, export for communication board from five terminal point;
The floating ground voltage that first resistance, the second resistance, the first electric capacity, the second electric capacity produce the second integrated package, the 4th integrated package uses; One A integrated package, the 3rd resistance, the 4th resistance, the 3rd electric capacity composition oscillating circuit; Its 10,11 pin exported through a D integrated package send into potentiometer, and the sliding end of potentiometer is connected to 3 pin of the second integrated package; 3rd end points is connected with capacitance sensor; Second integrated package, the 4th electric capacity and capacitance sensor constitute amplifying circuit; The impulse amplitude that it exports is relevant with the capacitance of capacitance sensor; The output IC2-6 of the second integrated package has delivered to the phase-sensitive detection circuit be made up of the 3rd integrated package and the 6th electric capacity through the 5th electric capacity, pulse signal is become direct current signal by phase-sensitive detection circuit; The direct current signal that wave detector exports has delivered to 5 pin of the 6th integrated package after the amplifying circuit of the 4th integrated package, the 5th integrated package, the 6th resistance, the 7th resistance composition amplifies; 6th integrated package, the 8th resistance, the 7th electric capacity constitute voltage-frequency converter; Its output has delivered to communication board through the 18 resistance, the 9th resistance and the 4th end points, is finally sent to ground instrument; 6th integrated package is a three terminal regulator.
2. an accumulating gas flow acquisition method, is characterized in that adopting the method for collecting gas to measure gas output,
When powering to instrument, under the control of circuit, motor can forward or reverse, and piston can close or open under the effect of ball-screw;
When flow meter to be in the well of simultaneously aerogenesis and water and piston by open turn to closedown time, because the proportion of gas is less than water, the accumulation of gas can be formed below piston;
Along with the increase of time, gas-water interface can be passed downwards gradually, and final gas can be full of whole gas collection cylinder;
Therefore be closed to gas by recording and analyses and be full of the time of whole gas collection cylinder and the length of gas surge drum, calculate the gas production of whole pit shaft;
For the well that gas production is smaller, as long as extend the stand-by period, gas production can be measured exactly equally;
In measurement gas surge drum, 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 is passed from top to bottom, sensor capacitance can be from large to small;
The position of gas-water interface in the size reflection gas collection cylinder of sensor capacitance; Sensor capacitance is converted to frequency signal and has been sent to ground instrument by measuring circuit; After piston is opened, the fluid state in flow meter gas collection cylinder is identical with the fluid state in pit shaft;
Piston opens the gas holdup in rear measurement pit shaft.
3. a kind of accumulating gas flow acquisition method according to claim 2, is characterized in that: in gas collection cylinder, the number employing capacitance sensor of institute's inflatable body is measured.
4. a kind of accumulating gas flow acquisition method according to claim 2, it is characterized in that: motor is connected with ball-screw, ball-screw is connected with piston and capacitance sensor by pull bar; Circuit board, circuit board framework, motor and ball-screw are all contained in pressure-bearing cylinder; Motor driving ball-screw and pull bar can make piston open or close; The closedown of piston is realized by motor driving ball-screw and pull bar with opening.
5. a kind of accumulating gas flow acquisition method according to claim 2, is characterized in that: when powering to instrument, and under the control of circuit, motor can forward or reverse, and piston can close or open under the effect of ball-screw; When flow meter to be in the well of simultaneously aerogenesis and water and piston by open turn to closedown time, because the proportion of gas is less than water, the accumulation of gas can be formed below piston; Along with the increase of time, gas-water interface can be passed downwards gradually, and final gas can be full of whole gas collection cylinder; The length of gas collection cylinder is fixed, is therefore closed to by recording and analyses the time that gas is full of whole gas collection cylinder, just can calculates the gas production of whole pit shaft; For the well that gas production is smaller, as long as extend the stand-by period, gas production can be measured exactly equally; In measurement gas surge drum, 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 is passed from top to bottom, sensor capacitance can be from large to small; Therefore, the size of sensor capacitance can reflect the position of gas-water interface in gas collection cylinder; Sensor capacitance is converted to frequency signal and has been sent to ground instrument by measuring circuit; After piston is opened, the fluid state in flow meter gas collection cylinder is identical with the fluid state in pit shaft; Therefore, this instrument can also measure the gas holdup in pit shaft after piston is opened.
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| 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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| CN201310220281.7A CN104213914B (en) | 2013-06-05 | 2013-06-05 | Accumulation type gas flowmeter and acquisition method |
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| CN104213914B CN104213914B (en) | 2017-02-15 |
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Cited By (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 | A phase holdup measurement device for oil-gas-water three-phase flow |
| 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 | A phase holdup measurement device for oil-gas-water three-phase flow |
| 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 |
Cited By (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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104213914B (en) | 2017-02-15 |
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