CN208934676U - A kind of device that injecting CO 2 fracture shale gas reservoir recovery ratio influences - Google Patents
A kind of device that injecting CO 2 fracture shale gas reservoir recovery ratio influences Download PDFInfo
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- CN208934676U CN208934676U CN201821788870.XU CN201821788870U CN208934676U CN 208934676 U CN208934676 U CN 208934676U CN 201821788870 U CN201821788870 U CN 201821788870U CN 208934676 U CN208934676 U CN 208934676U
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- gas
- ball valve
- flowmeter
- injecting
- shale
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/70—Combining sequestration of CO2 and exploitation of hydrocarbons by injecting CO2 or carbonated water in oil wells
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Abstract
The utility model relates to the devices that a kind of injecting CO 2 fracture shale gas reservoir recovery ratio in shale gas reservoir injecting CO 2 production technique field influences, it is mainly by purple reindeer moss storage tank, ball valve A, air pump, fluid flowmeter, CO2 gas cylinder, ball valve B, gas flowmeter A, methane storage bottle, ball valve C, gas flowmeter B, gas injection port, ball valve D, gas-drying apparatus, gas-liquid separator, waste tank, ball valve F, ball valve E, produce port, it can visible joint, air collecting pipe, transparent rectangular cabinet, high-speed camera, Fractured shale block, computer monitoring system, bolt, pressure sensor and air injection pipe composition.Purple reindeer moss storage tank is connected with ball valve A, air pump, fluid flowmeter, and CO2 gas cylinder is connected with ball valve B, gas flowmeter A, and methane storage bottle is connected with ball valve C, gas flowmeter B.The utility model is convenient to use, can clearly observe the displacement process of the methane gas after injecting CO 2 gas in fracture shale.
Description
Technical field
The utility model relates to a kind of injecting CO 2 fracture shale gas reservoirs in shale gas reservoir injecting CO 2 production technique field to adopt
The device that yield influences.
Background technique
Chinese shale geological resource potentiality are 134 tcms, suitable with conventional gas stock number, are had huge
Potentiality to be exploited.Conventional exploitation shale gas uses hydraulic fracturing technology, but big using this technology water resource consumption.People open thus
Begin to study and exploit shale gas using injecting CO 2 gas, advantage mainly has: 1. realization CO2 are buried, and reduce greenhouse effects；
For 2.CO2 is compared with CH4, there is better adsorption effect to the high TOC shale matrix of micro-nano hole；3.CO2 gas source is abundant, special
It is not the gas well that may come from the exploitation of failure formula natural energy, realizes the steady growth of shale gas well long term benefit.Based on upper
Advantage is stated, many researchers carry out injecting CO 2 Exploitation research, but fewer for the research in terms of Fractured shale；And for note
The Visual Dynamic research of CO2 exploitation does not have substantially.Therefore, in terms of improving recovery ratio for injecting CO 2 fracture shale gas reservoir,
It is necessary to invent a kind of device that injecting CO 2 fracture shale gas reservoir recovery ratio influences in laboratory, to entire after injecting CO 2
Displacement process be how displacement, driving mechanism furtherd investigate, this will improve recovery ratio work using injecting CO 2 gas to scene
Journey tool is of practical significance.
Summary of the invention
The utility model aim is: providing a kind of device that injecting CO 2 fracture shale gas reservoir recovery ratio influences.
The technical scheme adopted by the utility model is
The device that a kind of injecting CO 2 fracture shale gas reservoir recovery ratio of the utility model influences, is mainly stored up by purple reindeer moss
Tank, ball valve A, air pump, fluid flowmeter, CO2 gas cylinder, ball valve B, gas flowmeter A, methane storage bottle, ball valve C, gas flowmeter
B, gas injection port, ball valve D, gas-drying apparatus, gas-liquid separator, waste tank, ball valve F, ball valve E, produce port, can visible joint,
Air collecting pipe, transparent rectangular cabinet, high-speed camera, Fractured shale block, computer monitoring system, bolt, pressure sensor and
Air injection pipe composition.Purple reindeer moss storage tank is connected with ball valve A, air pump, fluid flowmeter, CO2 gas cylinder and ball valve B, gas flowmeter A
It is connected, methane storage bottle is connected with ball valve C, gas flowmeter B；It produces port to be connected with ball valve E, gas-liquid separator, ball valve F and gas
Drier is connected in parallel, and gas injection port is connected with the outlet of ball valve D, gas-drying apparatus and gas-liquid separator upper gas.Purple reindeer moss
Storage tank does not allow it to contact with air using sealing installation；Gas injection pipe diameter is 1.1 times of gas production pipe diameter.Transparent rectangular cabinet
It is made by transparent acrylic glass, pressure-bearing 4MPa；Fractured shale block is placed in transparent rectangular cabinet, volume and thoroughly
Bright rectangular box volume is identical.A pressure sensor is respectively arranged in Fractured shale block most lower left quarter and most right lower quadrant；
On each bolt and gasket is designed in each edge of transparent rectangular cabinet.Gas flowmeter A and gas flowmeter B is two
A identical gas flowmeter, the ball valve in device are all the ball valve of same size；Can visible joint using can open type design.
The advantages of the utility model: it is convenient to use, by visualization and purple reindeer moss liquid color change situation,
It can clearly observe the displacement process of the methane gas after injecting CO 2 gas in fracture shale.
Detailed description of the invention
Fig. 1 is the apparatus structure schematic diagram that a kind of injecting CO 2 fracture shale gas reservoir recovery ratio of the utility model influences.
In figure: 1. purple reindeer moss storage tanks, 2. ball valve A, 3. air pumps, 4. fluid flowmeters, 5.CO2 gas cylinder, 6. ball valve B, 7.
Gas flowmeter A, 8. methane storage bottles, 9. ball valve C, 10. gas flowmeter B, 11. gas injection ports, 12. ball valve D, 13. gas dries
Device, 14. gas-liquid separators, 15. waste tanks, 16. ball valve F, 17. ball valve E, 18. produce ports, 19. can visible joint, 20. adopt
Tracheae, 21. transparent rectangular cabinets, 22. high-speed cameras, 23. Fractured shale blocks, 24. computer monitoring systems, 25. bolts,
26. pressure sensor, 27. air injection pipes.
Specific embodiment
The utility model is described further with reference to the accompanying drawing.
As shown in Figure 1, the device that a kind of injecting CO 2 fracture shale gas reservoir recovery ratio of the utility model influences, mainly by
Purple reindeer moss storage tank 1, ball valve A2, air pump 3, fluid flowmeter 4, CO2 gas cylinder 5, ball valve B6, gas flowmeter A7, methane storage bottle
8, ball valve C9, gas flowmeter B10, gas injection port 11, ball valve D12, gas-drying apparatus 13, gas-liquid separator 14, waste tank 15,
Ball valve F16, ball valve E17, produce port 18, can visible joint 19, air collecting pipe 20, transparent rectangular cabinet 21, high-speed camera 22, split
Seam property shale block 23, computer monitoring system 24, bolt 25, pressure sensor 26 and air injection pipe 27 form.Purple reindeer moss storage tank 1
It is connected with ball valve A2, air pump 3, fluid flowmeter 4, CO2 gas cylinder 5 is connected with ball valve B6, gas flowmeter A7,8 He of methane storage bottle
Ball valve C9, gas flowmeter B10 are connected；It produces port 18 to be connected with ball valve E17, gas-liquid separator 14, ball valve F16 and gas dry
Device 13 is connected in parallel, and gas injection port 11 is connected with the outlet of ball valve D12, gas-drying apparatus 13 and 14 upper gas of gas-liquid separator.
As shown in Figure 1, specific evaluation procedure is to be first shut off all valves, methane storage bottle 8, ball valve C9, ball are successively opened
Valve E17, ball valve F16 measure the methane gas in methane storage bottle 8 after the outflow of methane storage bottle 8 through gas flowmeter B10, from
Gas injection port 11 enters air injection pipe 27, and methane gas flows and enters in transparent rectangular cabinet 21 under online in air injection pipe 27.
Methane gas is turned left flowing in transparent rectangular cabinet 21 from the right side, will be in device by methane gas during entire flowing
Air is all discharged；Start timing 2 minutes after having gas outflow at the top of gas-liquid separator 14, closes ball valve after time is up
F16 opens gas-drying apparatus 13 and ball valve D12, enters methane gas from gas injection port 11 and is formed into a loop.After recycling 30 minutes,
The purpose of closing methane storage bottle 8, ball valve C9, ball valve D12, above step is by the air discharge in device.
As shown in Figure 1, then successively opening purple reindeer moss storage tank 1, ball valve A2, air pump 3, make in purple reindeer moss storage tank 1
Purple reindeer moss liquid pressurizes by air pump 3, and fluid flowmeter 4 flows into from gas injection port 11 after measuring and enters transparent rectangular cabinet 21
It is interior.Purple reindeer moss liquid is turned left flowing, when there is liquid outflow in gas-liquid separator 14, horse in transparent rectangular cabinet 21 from the right side
Upper closing purple reindeer moss storage tank 1, ball valve A2, air pump 3 open methane storage bottle 8, ball valve C9, ball valve E17, gas-drying apparatus 13, ball
Valve F12 enters the methane gas in methane storage bottle 8 in transparent rectangular cabinet 21 from gas injection port 11.When methane gas will be transparent
Most of purple reindeer moss liquid displacement in rectangular box 21 and Fractured shale block 23 is gone out, and there are also some purple reindeer moss liquid
Methane storage bottle 8, ball valve C9, ball valve E17, gas-drying apparatus 13, ball valve F12 are closed when remaining in Fractured shale block 23, this
When purpose be to have a small amount of purple reindeer moss liquid in the gap in Fractured shale block 23 and hole throat to allow, in order to more preferable
The latter step injecting CO 2 fracture shale of observation how to improve the process of recovery ratio.
As shown in Figure 1, then opening CO2 gas cylinder 5, ball valve B6, flow into the CO2 gas in CO2 gas cylinder 5 from gas injection port 11
And enter in transparent rectangular cabinet 21, CO2 gas flows from left to right in transparent rectangular cabinet 21, during flowing,
Methane gas displacement in Fractured shale block 23 is come out, and the purple reindeer moss solution contained in Fractured shale block 23 is become
At red.Methane gas is also come out by CO2 gas displacement while purple reindeer moss solution slowly becomes red, by taking the photograph at a high speed
Camera 22 has recorded the dynamic changes in entire displacement process.It will be had recorded by computer monitoring system 24 in displacement
Pressure changing in the process.Visualize entire displacement process by designing transparent rectangular cabinet 21, displacement process will be
Scene provides practical significance using injecting CO 2 fracture shale gas reservoir recovery projects.
Claims (5)
1. the device that a kind of injecting CO 2 fracture shale gas reservoir recovery ratio influences, mainly by purple reindeer moss storage tank (1), ball valve A
(2), air pump (3), fluid flowmeter (4), CO2 gas cylinder (5), ball valve B (6), gas flowmeter A (7), methane storage bottle (8), ball valve
C (9), gas flowmeter B (10), gas injection port (11), ball valve D (12), gas-drying apparatus (13), gas-liquid separator (14), waste liquid
Storage tank (15), ball valve F (16), ball valve E (17), produce port (18), can visible joint (19), air collecting pipe (20), transparent rectangular case
Body (21), high-speed camera (22), Fractured shale block (23), computer monitoring system (24), bolt (25), pressure sensor
(26) it is formed with air injection pipe (27), it is characterised in that: purple reindeer moss storage tank (1) and ball valve A (2), air pump (3), fluid flowmeter
(4) it is connected, CO2 gas cylinder (5) is connected with ball valve B (6), gas flowmeter A (7), methane storage bottle (8) and ball valve C (9), gas stream
Meter B (10) is connected；It produces port (18) to be connected with ball valve E (17), gas-liquid separator (14), ball valve F (16) and gas-drying apparatus
(13) it is connected in parallel, gas injection port (11) and ball valve D (12), gas-drying apparatus (13) and the outlet of gas-liquid separator (14) upper gas
It is connected.
2. the device that a kind of injecting CO 2 fracture shale gas reservoir recovery ratio according to claim 1 influences, feature exist
In: purple reindeer moss storage tank (1) does not allow it to contact with air using sealing installation；Air injection pipe (27) diameter is that air collecting pipe (20) are straight
1.1 times of diameter.
3. the device that a kind of injecting CO 2 fracture shale gas reservoir recovery ratio according to claim 1 influences, feature exist
In: transparent rectangular cabinet (21) is made by transparent acrylic glass, pressure-bearing 4MPa；Fractured shale block (23) is placed in
In bright rectangular box (21), volume is identical as transparent rectangular cabinet (21) volume.
4. the device that a kind of injecting CO 2 fracture shale gas reservoir recovery ratio according to claim 1 influences, feature exist
In: a pressure sensor is respectively arranged in Fractured shale block (23) most lower left quarter and most right lower quadrant；In each bolt
(25) on and gasket is designed in each edge of transparent rectangular cabinet (21).
5. the device that a kind of injecting CO 2 fracture shale gas reservoir recovery ratio according to claim 1 influences, feature exist
In: gas flowmeter A (7) and gas flowmeter B (10) is two identical gas flowmeters, and the ball valve in device is all identical
The ball valve of specification；Can visible joint (19) using can open type design.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821788870.XU CN208934676U (en) | 2018-11-01 | 2018-11-01 | A kind of device that injecting CO 2 fracture shale gas reservoir recovery ratio influences |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821788870.XU CN208934676U (en) | 2018-11-01 | 2018-11-01 | A kind of device that injecting CO 2 fracture shale gas reservoir recovery ratio influences |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208934676U true CN208934676U (en) | 2019-06-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821788870.XU Expired - Fee Related CN208934676U (en) | 2018-11-01 | 2018-11-01 | A kind of device that injecting CO 2 fracture shale gas reservoir recovery ratio influences |
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| CN (1) | CN208934676U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115308103A (en) * | 2022-06-27 | 2022-11-08 | 中国矿业大学 | System and method for testing flowing characteristics of multi-phase medium in coal body or rock mass fracture |
-
2018
- 2018-11-01 CN CN201821788870.XU patent/CN208934676U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115308103A (en) * | 2022-06-27 | 2022-11-08 | 中国矿业大学 | System and method for testing flowing characteristics of multi-phase medium in coal body or rock mass fracture |
| CN115308103B (en) * | 2022-06-27 | 2024-05-17 | 中国矿业大学 | System and method for testing flow characteristics of multiphase medium in coal or rock mass fracture |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190604 Termination date: 20191101 |
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| CF01 | Termination of patent right due to non-payment of annual fee |