CN208476722U - A kind of carbon dioxide frictional resistance measuring device - Google Patents
A kind of carbon dioxide frictional resistance measuring device Download PDFInfo
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- CN208476722U CN208476722U CN201821139473.XU CN201821139473U CN208476722U CN 208476722 U CN208476722 U CN 208476722U CN 201821139473 U CN201821139473 U CN 201821139473U CN 208476722 U CN208476722 U CN 208476722U
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- carbon dioxide
- valve
- pipeline
- frictional resistance
- surge tank
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- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 title claims abstract description 180
- 229910002092 carbon dioxide Inorganic materials 0.000 title claims abstract description 90
- 239000001569 carbon dioxide Substances 0.000 title claims abstract description 90
- 238000012360 testing method Methods 0.000 claims abstract description 67
- 239000012071 phase Substances 0.000 claims abstract description 18
- 239000007791 liquid phase Substances 0.000 claims abstract description 12
- 238000011084 recovery Methods 0.000 claims description 29
- 210000004262 dental pulp cavity Anatomy 0.000 claims description 9
- 238000004064 recycling Methods 0.000 claims description 6
- 238000010079 rubber tapping Methods 0.000 claims description 5
- 239000007788 liquid Substances 0.000 abstract description 35
- 238000000034 method Methods 0.000 abstract description 15
- 239000004576 sand Substances 0.000 abstract description 7
- 238000010276 construction Methods 0.000 abstract description 6
- 238000002309 gasification Methods 0.000 abstract description 4
- 238000004088 simulation Methods 0.000 abstract description 4
- 238000011161 development Methods 0.000 abstract description 2
- 230000010355 oscillation Effects 0.000 abstract description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 6
- 238000005259 measurement Methods 0.000 description 6
- 230000005501 phase interface Effects 0.000 description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 4
- 239000004408 titanium dioxide Substances 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000000306 recurrent effect Effects 0.000 description 2
- 230000003252 repetitive effect Effects 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 230000002459 sustained effect Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 241000790917 Dioxys <bee> Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000000872 buffer Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 238000004445 quantitative analysis Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Landscapes
- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
Abstract
The utility model belongs to oil-gas field development technical field, more particularly to a kind of carbon dioxide frictional resistance measuring device, a kind of carbon dioxide frictional resistance measuring device, power unit, flowmeter, friction test unit including being in turn connected to form circulation loop by pipeline are communicated with the gentle phase pipeline of liquid phase pipeline on the pipeline between the friction test unit and power unit side by side.Pass through flowing of the simulation liquid carbon dioxide under different tube diameters, it measures it and flows frictional resistance, the friction loss characteristic of liquid carbon dioxide provides a method in pipeline when to study live carbon dioxide dry method sand fracturing construction, to the gasification problem of Quantitative Study liquid carbon dioxide, the fracturing unit truck that the scene of solving the problems, such as encounters is walked empty pump, flow oscillation greatly and is difficult to improve.
Description
Technical field
The utility model belongs to oil-gas field development technical field, and in particular to a kind of carbon dioxide frictional resistance measuring device.
Background technique
The one kind of carbon dioxide dry method Sand Fracturing Technology as anhydrous fracturing technique has hyposmosis, Low pressure reservoir
There is preferable applicability, which can be realized " anhydrous pressure break ", eliminate reservoir and water-sensitive and water blocking damage, improve pressure aftereffect
Fruit；Fracturing fluid can protect reservoir and supporting crack without residue, realize the autonomous row of returning.
Liquid carbon dioxide is in critical state in the construction process, there is flowing frictional resistance in pipeline flowing, and flowing rubs
Resistance size directly influences liquid carbon dioxide phase, if flowing frictional resistance is excessive, liquid carbon dioxide can generate gasification, fracturing unit truck
Empty pump is walked, will lead to operational discharge capacity fluctuation greatly and be difficult to improve etc., it constructs for dry carbon dioxide method sand fracturing on site
Friction loss characteristic research of the middle liquid carbon dioxide in pipeline is in theoretical research stage, a kind of complete mould not yet domestic at present
The measuring device of quasi- site operation situation.
Summary of the invention
The purpose of this utility model is to provide a kind of carbon dioxide frictional resistance measuring devices, simulate liquid carbon dioxide not
With the flowing under caliber, measures it and flow frictional resistance.
The technical scheme that the utility model is provided is as follows:
A kind of carbon dioxide frictional resistance measuring device, including be in turn connected to form by pipeline circulation loop power unit,
Flowmeter, friction test unit are communicated with liquid phase pipeline on the pipeline between the friction test unit and power unit side by side
And vapor delivery line.
The friction test unit includes that pressure sensor, test valve and transparent testing tube, the transparent testing tube are arranged side by side
It is arranged more, every transparent testing tube is correspondingly connected with a test valve, and the pressure sensor includes pressure sensor one and pressure
Force snesor two is respectively arranged on the both ends of more transparent testing tube pipelines arranged side by side.
The power unit includes multiple carbon dioxide recycle pumps being set side by side, the both ends of each carbon dioxide recycle pump
It is equipped with pump entry valve and outlet valve of circulating pump.
It further include surge tank, the power unit, flowmeter, friction test unit and surge tank are sequentially connected by pipeline
Circulation loop is formed, the pipeline between the surge tank and power unit is equipped with safety valve one, the power unit and flow
Pipeline between meter is equipped with circulation main valve, and surge tank inlet valve is equipped between the friction test unit and surge tank.
The more transparent test pipe diameters are identical or different, the more transparent testing tubes and pipeline releasable connection.
It further include filling recovery unit, the recovery unit that fills is described to fill recovery unit packet on liquid phase pipeline
Include the first filling valve, the second filling valve, carbon dioxide unloading pump, the first recovery valve and the second recovery valve, first filling valve,
Carbon dioxide unloading pump and the second filling valve are sequentially connected, and one end of first recovery valve and the second recovery valve is connected to the side by side
The other end of pipeline between one filling valve and carbon dioxide unloading pump, first recovery valve and the second recovery valve is respectively communicated with
The both ends of second filling valve；The vapor delivery line is equipped with gas phase filling valve.
It is connected with muffler by two root canal lines on the surge tank, a root canal line is equipped with surge tank gas phase exhaust-valve, separately
One root canal line is equipped with surge tank tapping valve.
The surge tank is vertical tank body, and the top and bottom of the surge tank is respectively entrance and outlet.
The beneficial effects of the utility model are:
It by flowing of the simulation liquid carbon dioxide under different tube diameters, measures it and flows frictional resistance, to study live dioxy
The friction loss characteristic of liquid carbon dioxide provides a method in pipeline when changing carbon dry method sand fracturing construction, thus quantitative analysis
The gasification problem of liquid carbon dioxide is studied, solving the fracturing unit truck that encounters of scene, to walk empty pump, flow oscillation big and be difficult to improve
Problem.
The utility model power unit is two or more carbon dioxide recycles pump, is connected in parallel, and flow meter specially is cooperated,
Different displacements size when live carbon dioxide dry method sand fracturing construction can be simulated.It the use of surge tank is carbon dioxide recycle
Pump provides steady and sustained liquid carbon dioxide, guarantees the continuity of liquid carbon dioxide in circulation line, improves the essence of measurement
Exactness.Using transparent testing tube, the transparent testing tube is replaceable, convenient for simulating the stream of liquid carbon dioxide under live different tube diameters
It is dynamic, it can observe in real time.Recovery unit is filled, filling for carbon dioxide can be both completed, also can be carried out liquid after being measured
The recycling of state carbon dioxide, this is very useful for repetitive test, substantially reduces cost, improves liquid while protecting environment
The utilization efficiency of state carbon dioxide.
It is described in further details below in conjunction with attached drawing.
Detailed description of the invention
Fig. 1 is a kind of embodiment schematic diagram of the utility model.
In figure: 1, safety valve one；2, pump entry valve；3, carbon dioxide recycle pumps；4, outlet valve of circulating pump；5, it recycles
Main valve；6, flowmeter；7, pressure sensor one；8, safety valve two；9, valve is tested；10, transparent testing tube；11, safety valve three；
12, pressure sensor two；13, liquid phase interface；14, gas phase interface；15, gas phase filling valve；16, the first filling valve；17, first time
Receive valve；18, carbon dioxide unloading pumps；19, muffler；20, surge tank gas phase exhaust-valve；21, surge tank tapping valve；22, it buffers
Tank inlet valve；23, surge tank；24, the second filling valve；25, the second recovery valve；A, power unit；B, friction test unit；C, it fills
Fill recovery unit.
Specific embodiment
Embodiment 1:
A kind of carbon dioxide frictional resistance measuring device is present embodiments provided, including is in turn connected to form and is recycled back to by pipeline
The power unit A on road, flowmeter 6, friction test unit B, on the pipeline between the friction test unit B and power unit A
It is communicated with the gentle phase pipeline of liquid phase pipeline side by side.
The utility model is measured flowing of the liquid carbon dioxide under different tube diameters and is rubbed by friction test unit B, simulation
Resistance, the friction loss characteristic of liquid carbon dioxide provides one kind in pipeline when to study live carbon dioxide dry method sand fracturing construction
Method, thus the gasification problem of Quantitative Study liquid carbon dioxide, the fracturing unit truck that the scene of solution encounters walks empty pump, discharge capacity wave
The problem of moving greatly and being difficult to improve.
Embodiment 2:
On the basis of embodiment 1, a kind of carbon dioxide frictional resistance measuring device, the friction test are present embodiments provided
Unit B includes pressure sensor, test valve 9 and transparent testing tube 10, and the transparent testing tube 10 is set side by side more, and every thoroughly
Bright testing tube 10 is correspondingly connected with a test valve 9, and the pressure sensor includes pressure sensor 1 and pressure sensor two
12, it is respectively arranged on the both ends of more transparent testing tube 10 pipelines arranged side by side.
Wherein, described more transparent 10 diameters of testing tube are identical or different, and the more transparent testing tubes 10 can with pipeline
Tear connection open.
It can be seen in real time using transparent testing tube 10 convenient for simulating the flowing of liquid carbon dioxide under live different tube diameters
It surveys.
Embodiment 3:
On the basis of embodiment 1, a kind of carbon dioxide frictional resistance measuring device, the power unit are present embodiments provided
A includes multiple carbon dioxide recycle pumps 3 being set side by side, and the both ends of each carbon dioxide recycle pump 3 are equipped with pump entry
Valve 2 and outlet valve of circulating pump 4.
Power unit A is connected in parallel using multiple carbon dioxide recycles pump 3, cooperates flow meter specially 6, can be simulated existing
Different displacements size when the carbon dioxide dry method sand fracturing construction of field.It the use of surge tank 23 is that carbon dioxide recycle pump 3 provides
Steady and sustained liquid carbon dioxide guarantees the continuity of liquid carbon dioxide in circulation line, improves the accuracy of measurement.
Embodiment 4:
On the basis of embodiment 1, a kind of carbon dioxide frictional resistance measuring device is present embodiments provided, further includes surge tank
23, the power unit A, flowmeter 6, friction test unit B and surge tank 23 are in turn connected to form circulation loop by pipeline,
Pipeline between the surge tank 23 and power unit A is equipped with safety valve 1, between the power unit A and flowmeter 6
Pipeline is equipped with circulation main valve 5, and surge tank inlet valve 22 is equipped between the friction test unit B and surge tank 23.
As shown in Figure 1, further including filling recovery unit C, the recovery unit C that fills is described to fill on liquid phase pipeline
Filling recovery unit C includes the first filling valve 16, the second filling valve 24, carbon dioxide unloading the 18, first recovery valve 17 and second of pump
Recovery valve 25, first filling valve 16, carbon dioxide unloading pump 18 and the second filling valve 24 are sequentially connected, first recycling
One end of valve 17 and the second recovery valve 25 is connected to the pipeline between the first filling valve 16 and carbon dioxide unloading pump 18 side by side, described
The other end of first recovery valve 17 and the second recovery valve 25 is respectively communicated with the both ends of the second filling valve 24；It is set in the vapor delivery line
There is gas phase filling valve 15.
Recovery unit C is filled, filling for carbon dioxide can be both completed, also can be carried out liquid titanium dioxide after being measured
The recycling of carbon, this is very useful for repetitive test, substantially reduces cost, improves liquid titanium dioxide while protecting environment
The utilization efficiency of carbon.
In the present embodiment, it is connected with muffler 19 by two root canal lines on the surge tank 23, a root canal line is equipped with slow
Tank gas phase exhaust-valve 20 is rushed, another root canal line is equipped with surge tank tapping valve 21.Transparent testing tube 10 is simultaneously in friction test unit B
Column setting four.Between surge tank 23 and power unit A be equipped with safety valve 1, the two of more transparent testing tube 10 pipelines arranged side by side
End is respectively equipped with safety valve 28 and safety valve 3 11 on main line.
Use process:
1) pressurising
The liquid phase interface 13 of liquid phase pipeline is connect with carbon dioxide tank vehicle respectively with the gas phase interface 14 of vapor delivery line, is opened
Gas phase filling valve 15 is opened to entire measuring device pressurising, until consistent with carbon dioxide tank vehicle pressure, pressurising is finished.
2) filling liquid
Surge tank inlet valve 22, pump entry valve 2 are closed, two filling valves are opened, opens carbon dioxide unloading pump 18,
It gives surge tank 23 filling liquid, observes 23 liquidometer of surge tank, when liquid level reaches 1300mm, filling liquid is completed.
3) friction test
1. first in 2, four opening surge tank inlet valve 22, pump entry valve test valves 9 (close by others
It closes)；
2. starting carbon dioxide recycle pump 3, site operation discharge capacity is simulated, measurement circulation is constituted, observes 6 numerical value of flowmeter,
After it is stablized, 1min is recycled, records the numerical value of pressure sensor 1 and pressure sensor 2 12；The transparent testing tube of this size
10 liquid carbon dioxide friction test finishes；
3. keeping recurrent state, second (others are closed) in four test valves 9, the observation number of flowmeter 6 are opened
Value recycles 1min after it is stablized, and records the numerical value of pressure sensor 1 and pressure sensor 2 12；The transparent test of this size
The liquid carbon dioxide friction test of pipe 10 finishes；
4. repeating step 3., the liquid carbon dioxide frictional resistance of the transparent testing tube 10 of other sizes can be measured.
4) it recycles
Surge tank inlet valve 22, pump entry valve 2 are closed, recycling valve group is opened, opens carbon dioxide unloading pump 18, it will
Liquid carbon dioxide is recycled to carbon dioxide tank vehicle in surge tank 23.
5) pressure release
Open surge tank tapping valve 21, it is impossible to which the liquid carbon dioxide discharge of recycling completely, finally opens surge tank gas
Phase exhaust-valve 20 puts the pressure of measurement procedure to zero.
Before use, need to be detected to the air-tightness of carbon dioxide frictional resistance measuring device:
Open pump entry valve 2, outlet valve of circulating pump 4, circulation main valve 5, test valve 9, surge tank inlet valve 22, connection
Liquid phase interface 13, gas phase interface 14 are connected on carbon dioxide tank vehicle by measuring device, open gas phase filling valve 15, for measurement
The numerical value of pressure sensor is observed in device pressurising, when reaching 0.7MPa, closes gas phase filling valve 15, all pipes of check device
The sealing situation of line.After having checked, if measuring device has the place of leakage, surge tank gas phase exhaust-valve 20 is opened, is seen
Pressure sensor numerical value is examined, measurement procedure pressure is bled off pressure to zero, leakage position is then re-secured.It checks after no leakage
Start pressurising.
Embodiment 5:
A kind of carbon dioxide frictional resistance measurement method is present embodiments provided, the carbon dioxide frictional resistance provided using embodiment 2
Measuring device, comprising the following steps:
Vapor delivery line is connect by step 1) with carbon dioxide tank vehicle, is carried out pressurising to carbon dioxide frictional resistance measuring device, is seen
Pressure sensor numerical value is examined, until it is consistent with carbon dioxide tank vehicle pressure, complete pressurising；
Liquid phase pipeline is connect by step 2 with carbon dioxide tank vehicle, opens a test valve 9, starts power unit A, simulation
Site operation discharge capacity observes 6 numerical value of flowmeter, after it is stablized, recycles 1min, records pressure sensor 1 and pressure sensing
The liquid carbon dioxide friction test of 2 12 numerical value of device, the corresponding transparent testing tube 10 of the test valve 9 finishes；
Recurrent state is kept, other test valves 9 is successively opened, measures the liquid titanium dioxide of the transparent testing tube 10 of other sizes
Carbon frictional resistance.
Exemplified as above is only to the utility model for example, not constituting to the protection scope of the utility model
Limitation, it is all to be belonged within the protection scope of the utility model with the same or similar design of the utility model.Embodiment does not have
There are the well-known components and common structure or conventional means of the component described in detail and the structure category industry, does not describe one by one here.
Claims (8)
1. a kind of carbon dioxide frictional resistance measuring device, it is characterised in that: including being in turn connected to form circulation loop by pipeline
Power unit (A), flowmeter (6), friction test unit (B), between the friction test unit (B) and power unit (A)
The gentle phase pipeline of liquid phase pipeline is communicated on pipeline side by side.
2. a kind of carbon dioxide frictional resistance measuring device according to claim 1, it is characterised in that: the friction test unit
It (B) include that pressure sensor, test valve (9) and transparent testing tube (10), the transparent testing tube (10) are set side by side more, often
The transparent testing tube of root (10) is correspondingly connected with a test valve (9), and the pressure sensor includes pressure sensor one (7) and pressure
Sensor two (12) is respectively arranged on the both ends of more transparent testing tubes (10) pipeline arranged side by side.
3. a kind of carbon dioxide frictional resistance measuring device according to claim 1, it is characterised in that: the power unit (A)
Including multiple carbon dioxide recycle pumps (3) being set side by side, the both ends of each carbon dioxide recycle pump (3) are equipped with circulation and are pumped into
Mouth valve (2) and outlet valve of circulating pump (4).
4. a kind of carbon dioxide frictional resistance measuring device according to claim 1, it is characterised in that: further include surge tank
(23), the power unit (A), flowmeter (6), friction test unit (B) and surge tank (23) are sequentially connected shape by pipeline
At circulation loop, the pipeline between the surge tank (23) and power unit (A) is equipped with safety valve one (1), the power list
Pipeline between first (A) and flowmeter (6), which is equipped with, recycles main valve (5), the friction test unit (B) and surge tank (23) it
Between be equipped with surge tank inlet valve (22).
5. a kind of carbon dioxide frictional resistance measuring device according to claim 1, it is characterised in that: the more transparent tests
It is identical or different to manage (10) diameter, the more transparent testing tubes (10) and pipeline releasable connection.
6. a kind of carbon dioxide frictional resistance measuring device according to claim 4, it is characterised in that: further include filling recycling list
First (C), for fill recovery unit (C) on liquid phase pipeline, fill recovery unit (C) includes the first filling valve
(16), the second filling valve (24), carbon dioxide unloading pump (18), the first recovery valve (17) and the second recovery valve (25), described the
One filling valve (16), carbon dioxide unloading pump (18) and the second filling valve (24) be sequentially connected, first recovery valve (17) and
One end of second recovery valve (25) is connected to the pipeline between the first filling valve (16) and carbon dioxide unloading pump (18) side by side, described
The other end of first recovery valve (17) and the second recovery valve (25) is respectively communicated with the both ends of the second filling valve (24)；The gas phase pipe
Line is equipped with gas phase filling valve (15).
7. a kind of carbon dioxide frictional resistance measuring device according to claim 4, it is characterised in that: on the surge tank (23)
It is connected with muffler (19) by two root canal lines, a root canal line is equipped with surge tank gas phase exhaust-valve (20), sets on another root canal line
There are surge tank tapping valve (21).
8. a kind of carbon dioxide frictional resistance measuring device according to claim 4, it is characterised in that: the surge tank (23)
For vertical tank body, the top and bottom of the surge tank (23) is respectively entrance and outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821139473.XU CN208476722U (en) | 2018-07-18 | 2018-07-18 | A kind of carbon dioxide frictional resistance measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821139473.XU CN208476722U (en) | 2018-07-18 | 2018-07-18 | A kind of carbon dioxide frictional resistance measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208476722U true CN208476722U (en) | 2019-02-05 |
Family
ID=65211282
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821139473.XU Active CN208476722U (en) | 2018-07-18 | 2018-07-18 | A kind of carbon dioxide frictional resistance measuring device |
Country Status (1)
| Country | Link |
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| CN (1) | CN208476722U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108709826A (en) * | 2018-07-18 | 2018-10-26 | 中国石油集团川庆钻探工程有限公司工程技术研究院 | A kind of carbon dioxide frictional resistance measuring device and method |
-
2018
- 2018-07-18 CN CN201821139473.XU patent/CN208476722U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108709826A (en) * | 2018-07-18 | 2018-10-26 | 中国石油集团川庆钻探工程有限公司工程技术研究院 | A kind of carbon dioxide frictional resistance measuring device and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201103 Address after: 100007 Dongcheng District, Dongzhimen, China, North Street, No. 9 Oil Mansion, No. Patentee after: CHINA NATIONAL PETROLEUM Corp. Patentee after: CNPC CHUANQING DRILLING ENGINEERING Co.,Ltd. Address before: 710016 Changqing science and technology building, four Fengcheng Road, Xi'an, Shaanxi Patentee before: CNPC CHUANQING DRILLING ENGINEERING Co.,Ltd. |