CN207750065U - Air-water-sand three-phase injection distribution system of simulating hydrate emulation exploitation - Google Patents
Air-water-sand three-phase injection distribution system of simulating hydrate emulation exploitation Download PDFInfo
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- CN207750065U CN207750065U CN201721642612.6U CN201721642612U CN207750065U CN 207750065 U CN207750065 U CN 207750065U CN 201721642612 U CN201721642612 U CN 201721642612U CN 207750065 U CN207750065 U CN 207750065U
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- sand
- water
- distribution system
- injection distribution
- emulation
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Abstract
The utility model is related to ocean gas hydrate development of resources field of engineering technology, more particularly to a kind of air water sand three-phase injection distribution system of simulating hydrate emulation exploitation, including groundwater simulation pit shaft, water injection distribution system, sand injection distribution system, the gentle injection distribution system of water sand hybrid system.The system of the utility model provides a kind of air water sand three-phase injection distribution system and method suitable for hydrate emulation extracting experiment well, water sand mixed liquor and high pressure gas can be controlled respectively is uniformly injected into emulation well by nominal rated speed, and injected material can be measured, by accurately controlling air water sand three-phase mixed proportion, supply amount and supply position in the wellbore, achieve the purpose that the occurrence characteristics for simulating decomposition of hydrate process reservoir aqueous vapor sand under different condition, and basis is provided to carry out the experiment of hydrate pilot production Architecture simulation.
Description
Technical field
The utility model is related to ocean gas hydrate development of resources field of engineering technology, and in particular to a kind of simulation water
Close air-water-sand three-phase injection distribution system of object emulation exploitation.
Background technology
Gas Hydrate Resource Potential is huge, and hydrate resource pilot production has become international hot fields.Have at present
The country such as the U.S., Canada, Russia, Japan, China has successively carried out hydrate in land-based area and marine site and has exploited pilot study, from
The data of acquisition is with from the point of view of progress, and voltage drop method is the technological means for exploiting hydrate economical and efficient the most, by electric submersible pump et al.
Work lifting method extracts reservoir Free water makes decomposition of hydrate to reduce pressure, and due to pressure differential, air-water-sand three-phase is certainly
Reservoir is migrated to pit shaft, and air-water and a small amount of sand enter wellbore lift to ground after sand control facility.
Only Japan and China successively implemented Gas Hydrate In Sea Areas pilot production short-term three times, pilot production skill so far
Art system is had got long long way to go apart from commercial application.Grain size of sediment, water content, the mine of different waters hydrate reservoir
Object ingredient, temperature, pressure condition and hydrate concentration are all different, corresponding to need preferably efficient sand control method, artificial lift
Equipment.Hydrate emulation extracting experiment well is established to simulate the characteristics of decomposition of different type hydrate reservoir, and then carries out a system
Row emulation experiment is verified and optimizes the key technologies such as the sand control of pilot production process, gas-liquid separation, artificial lift and method undoubtedly can
A large amount of full and accurate reliably data are provided to improve pilot production technical system as early as possible, accelerate Industrialization process.
Utility model content
It verifies to carry out a series of emulation experiments and optimizes the passes such as the sand control of pilot production process, gas-liquid separation, artificial lift
Key technology, and then accelerate to promote the industrialization process of natural gas hydrate resources pilot production, the utility model proposes a kind of simulation waters
Air-water-sand three-phase the injection distribution system for closing object emulation exploitation, to simulate decomposition of hydrate process reservoir aqueous vapor sand under different condition
Occurrence characteristics purpose, for carry out hydrate pilot production Architecture simulation experiment basis is provided.
To achieve the goals above, the utility model adopts the following technical solution：A kind of emulation exploitation of simulating hydrate
Air-water-sand three-phase injection distribution system, including groundwater simulation pit shaft, water injection distribution system, sand injection distribution system, water sand hybrid system are gentle
Injection distribution system；
The water injection distribution system includes water tank, and the water tank is connected to water sand hybrid system by back with water inlet line, it is described into
First manual ball valve, the first regulating valve, pipeline pump and first flowmeter are provided on water pipeline；
The sand injection distribution system is connected to water sand hybrid system by sand-feeding tube line；
The water sand hybrid system includes water sand blending bin, and the water sand blending bin is passed into ground lower die by feed liquor pipeline
In quasi- pit shaft, be provided on the feed liquor pipeline the second manual ball valve, second flowmeter, Pulp pump, first pressure transmitter and
Second regulating valve；
The gas injection distribution system includes air compressor, and the air compressor injects pipeline by gas and is passed into ground lower die
In quasi- pit shaft, high vacuum butterfly valve, flow detection unit, second pressure transmitter, Pneumatic ball are provided on the gas injection pipeline
Valve and one way stop peturn valve.
Further, the wellhead sealing of the groundwater simulation pit shaft is equipped with doughnut-shaped steel plate, the gentle note of feed liquor pipeline
Enter pipeline to be passed into groundwater simulation pit shaft across doughnut-shaped steel plate, between gentle injection pipeline and the doughnut-shaped steel plate of feed liquor pipeline
It is tightly connected.
Further, the tank top is respectively arranged with inlet opening and spillway hole, and bottom is provided with osculum, the water
Liquid-level switch is provided in case, the inlet opening of the water tank is connected to water source, the entrance in the tank drains hole and back with water inlet line
It is connected.
Further, the sand injection distribution system include storage sand warehouse, sand hopper, shake out device and weighing system, the storage sand warehouse with
Sand hopper is funnel-form, and the discharge outlet of the feed inlet setting of the discharge port face sand hopper of the storage sand warehouse, the storage sand warehouse is set
Be equipped with the first operated pneumatic valve, the inside of the sand hopper is disposed with material position and lower material position from top to bottom, the upper material position and
Detection sensor is respectively arranged in lower material position, the discharge port of the sand hopper is connected with the feed inlet for the device that shakes out, the sand hopper
Discharge outlet is provided with the second operated pneumatic valve, and the weighing system is arranged in the lower section for shaking out device.
Further, connected vertically plus sandpipe and fluid hose are provided in the water sand blending bin, described plus sandpipe is perpendicular
Straight setting, suitable for reading to be connected with loading hopper, lower mouth connects with horizontally disposed fluid hose, the entrance and back with water inlet line of fluid hose
Outlet be connected, outlet be connected with the entrance of feed liquor pipeline, the loading hopper is connected with the discharge port for the device that shakes out.
Further, the top of the loading hopper is provided with liquid level upper limit monitor.
Further, the Pulp pump is Cam type rotor pump.
Further, the second flow is calculated as precession swirlflowmeter.
Another of the utility model is designed to provide a kind of matching of air-water-sand three of simulating hydrate emulation exploitation
Injecting method includes the following steps：
S1. check whether each section hardware can work normally, whether pipeline leakproofness is good, and by water-gas-sandy plain material
On deck；
S2. gas injection rate, rate of water injection and water-sand mixed proportion are set according to requirement of experiment；
S3. after opening first manual ball valve and the first regulating valve, start pipeline pump, inject water into water sand blending bin,
The size of water flow is controlled by adjusting the folding of the first regulating valve；
S4. it opens the first operated pneumatic valve to be injected into sand in sand hopper from storage sand warehouse, opens the second operated pneumatic valve and note sand
Enter into water sand blending bin, is determined by weighing system and give sand speed；
S5. after opening the second manual ball valve and the second regulating valve, start pipeline pump, water sand mixture is passed through into feed liquor pipeline
It is injected into groundwater simulation pit shaft, the size of water sand mixture flow rate is controlled by adjusting the folding of the second regulating valve；
S6. high vacuum butterfly valve is opened, air compressor is started, is judged by flow detection unit and second pressure transmitter
Gas circuit state, and size control air-flow is opened and closed by adjusting pneumatic ball valve, air-flow injects pipeline after one way stop peturn valve by gas
It is injected into groundwater simulation pit shaft.
The system of the utility model provides a kind of air water sand three-phase injection allocation system suitable for hydrate emulation extracting experiment well
System and method can control water sand mixed liquor and high pressure gas and be uniformly injected into emulation well by nominal rated speed respectively, and can be to note
Enter substance to be measured, by accurately controlling air-water-sand three-phase mixed proportion, supply amount and supply position in the wellbore,
Achieve the purpose that the occurrence characteristics for simulating decomposition of hydrate process reservoir aqueous vapor sand under different condition, and to carry out hydrate pilot production
Architecture simulation experiment provides basis.
Description of the drawings
Fig. 1 is the structure composition schematic diagram of the system of the utility model；
Fig. 2 is the structure composition schematic diagram of sand injection distribution system；
Fig. 3 is the structure composition schematic diagram of water sand hybrid system；
In above-mentioned figure：1- groundwater simulation pit shafts；2- water injection distribution systems；21- water tanks；22- back with water inlet line；23- first manuals
Ball valve；24- pipeline pumps；25- first flowmeters；The first regulating valves of 26-；3- sand injection distribution systems；31- stores up sand warehouse；32- sand hoppers；
33- shakes out device；34- weighing systems；The upper material positions of 35-；Material position under 36-；The second operated pneumatic valves of 37-；38- sand-feeding tube lines；39- first
Operated pneumatic valve；4- water sand hybrid systems；41- water sand blending bins；42- adds sandpipe；43- fluid hoses；44- loading hoppers；45- feed liquors
Pipeline；The second manual ball valves of 46-；47- second flowmeters；48- Pulp pumps；49- first pressure transmitters；410- second is adjusted
Valve；5- gas injection distribution systems；51- air compressors；52- gas injects pipeline；53- high vacuum butterfly valves；54- flow detection units；
55- second pressure transmitters；56- pneumatic ball valves；57- one way stop peturn valves.
Specific implementation mode
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only explaining this
Utility model is not used to limit the utility model.
Embodiment 1
Air-water-sand three-phase injection distribution system of the simulating hydrate emulation exploitation of the utility model, as shown in Figure 1, including ground
Imitating pit shaft 1, water injection distribution system 2, sand injection distribution system 3,4 gentle injection distribution system 5 of water sand hybrid system.
Wherein, the wellhead sealing of the groundwater simulation pit shaft 1 is equipped with doughnut-shaped steel plate.
The water injection distribution system 2 includes water tank 21, and the water tank 21 is connected to water sand hybrid system by back with water inlet line 22
4, the feed liquor pipeline 45 is passed into across doughnut-shaped steel plate in groundwater simulation pit shaft 1, the feed liquor pipeline 45 and doughnut-shaped steel plate it
Between be tightly connected.
First manual ball valve 23, the first regulating valve 26, pipeline pump 24 and first flow are provided in the back with water inlet line 22
Meter 25.Wherein, first manual ball valve 23 is used to control the opening and closing of back with water inlet line 22；First regulating valve 26 is used for regulating water flow
Size；For pipeline pump 24 for injecting water into water sand hybrid system 4, first flowmeter 25 is used to measure the injection rate of water.
The top of the water tank 21 is respectively arranged with inlet opening and spillway hole, and bottom is provided with osculum, in the water tank 21
It is provided with liquid-level switch, the inlet opening of the water tank 21 is connected to water source, and 21 osculum of the water tank enters with back with water inlet line 22
Mouth is connected.
Sand injection distribution system 3 includes storage sand warehouse 31, sand hopper 32, shake out device 33 and weighing system 34, as shown in Fig. 2, the storage
Sand warehouse 31 and sand hopper 32 are funnel-form, store up the feed inlet setting of the discharge port face sand hopper 32 of sand warehouse 31, store up sand warehouse 31 and sand
Bucket 32 does not contact setting, and the discharge outlet for storing up sand warehouse 31 is provided with the first operated pneumatic valve 39, the inside of sand hopper 32 from top to bottom according to
It is secondary to be provided with material position 35 and lower material position 36, it is respectively arranged with detection sensor in the upper material position 35 and lower material position 36, is used for
The remaining situation of material in sand hopper 32 is detected, wherein the position of upper material position 35 and lower material position 36 can be specifically arranged as needed,
The discharge port of sand hopper 32 is connected with the feed inlet for the device 33 that shakes out, and the discharge outlet of sand hopper 32 is provided with the second operated pneumatic valve 37, institute
Weighing system 34 is stated to be arranged in the lower section for shaking out device 33.The sand injection distribution system 3 is connected to water sand mixing by sand-feeding tube line 38
System.
In operation, weighing system 34 continuously weighs jointly to sand hopper 32, sand and the device 33 that shakes out.As sand is continuous
It sends out, measures true weight loss rate, and itself and set weight loss rate are compared.By the speed for reconciling sand supplying device 33
Rate corrects deviation value automatically, so as to uniformly accurately continuously feed material.When the sand in sand hopper 32 is close to lower material position
When 36, the first operated pneumatic valve 34 of storage sand warehouse 31 automatically opens, and supplements sand grains into sand hopper 32 until reaching upper material position 35.
The water sand hybrid system 4 includes water sand blending bin 41, and the water sand blending bin 41 is passed through by feed liquor pipeline 45
Into groundwater simulation pit shaft 1, be provided on the feed liquor pipeline 45 second manual ball valve 46, second flowmeter 47, Pulp pump 48,
First pressure transmitter 49 and the second regulating valve 410.Wherein, the second manual ball valve 46 is used to control the opening and closing of feed liquor pipeline 45；
Second flowmeter 47 is used to measure the injection rate of water sand mixture；Pulp pump 48 is used to water sand mixture being injected into groundwater simulation
In pit shaft 1, first pressure transmitter 49 is used to adjust the pressure of the water sand mixture of injection；Second regulating valve 410 is for adjusting
The injection rate of water sand mixture.
Connected vertically plus sandpipe 42 and fluid hose 43 are provided in the water sand blending bin 41, described plus sandpipe 42 is vertical
Setting, suitable for reading to be connected with loading hopper 44, lower mouth connects with horizontally disposed fluid hose 43, the entrance of fluid hose 43 and into
The outlet of water pipeline 22 is connected, and outlet is connected with the entrance of feed liquor pipeline 45, the discharging of the loading hopper 44 and the device 33 that shakes out
Mouth is connected.
In water sand blending bin 4,44 vertical installation of funnel is leaked into, top is connect with sand injection distribution system 3, lower part and level
Move towards 43 orthogonal connection of fluid hose.It is provided with second flowmeter 47 and Pulp pump 48 on the feed liquor pipeline 45, wherein slurry
Pump 48 is Cam type rotor pump, and second flowmeter 47 is precession swirlflowmeter.Whole system carries sand grains fortune by flow
It moves, reaches the mixed uniformly purpose of water sand.
The gas injection distribution system 5 includes air compressor 51, and the air compressor 51 injects pipeline 52 by gas and is passed through
Into groundwater simulation pit shaft 1, it is provided with high vacuum butterfly valve 53 on the gas injection pipeline 52, flow detection unit 54, second is pressed
Power transmitter 55, pneumatic ball valve 56 and one way stop peturn valve 57.Wherein；High vacuum butterfly valve 53 is used for；Flow detection unit 54 is used for
The injection rate of meter gaseous；Second pressure transmitter 55 is used to adjust the pressure of injection gas；Pneumatic ball valve 56 is used for；It is unidirectional to stop
Valve 57 is returned for preventing gas backstreaming.
Wherein, air compressor 51 uses high pressure piston air compressor, gas to inject on pipeline 52 by the way that flow is arranged
Detection unit 54 obtains gas injection rate and feeds back to the second regulating valve 410 in real time, reaches by setting value injection allocation effect.
The system of the present embodiment provides a kind of air water sand three-phase injection allocation equipment suitable for hydrate emulation extracting experiment well,
The purpose of the occurrence characteristics of decomposition of hydrate process reservoir aqueous vapor sand under different condition can be simulated, and to carry out hydrate pilot production
Architecture simulation experiment provides basis.
Embodiment 2
The device of corresponding embodiment 1, embodiment 2 provide a kind of air-water-sand three-phase injection allocation of simulating hydrate emulation exploitation
Method includes the following steps：
S1. check whether each section hardware can work normally, whether pipeline leakproofness is good, and by water-gas-sandy plain material
On deck；
S2. gas injection rate, rate of water injection and water-sand mixed proportion are set according to requirement of experiment；
S3. after opening first manual ball valve and the first regulating valve, start pipeline pump, inject water into water sand blending bin,
The size of water flow is controlled by adjusting the folding of the first regulating valve；
S4. it opens the first operated pneumatic valve to be injected into sand in sand hopper from storage sand warehouse, opens the second operated pneumatic valve and note sand
Enter into water sand blending bin, is determined by weighing system and give sand speed；
S5. after opening the second manual ball valve and the second regulating valve, start pipeline pump, water sand mixture is passed through into feed liquor pipeline
It is injected into groundwater simulation pit shaft, the size of water sand mixture flow rate is controlled by adjusting the folding of the second regulating valve；
S6. high vacuum butterfly valve is opened, air compressor is started, is judged by flow detection unit and second pressure transmitter
Gas circuit state, and size control air-flow is opened and closed by adjusting pneumatic ball valve, air-flow injects pipeline after one way stop peturn valve by gas
It is injected into groundwater simulation pit shaft.
The system of the present embodiment provides a kind of air water sand three-phase allocation method suitable for hydrate emulation extracting experiment well,
The purpose of the occurrence characteristics of decomposition of hydrate process reservoir aqueous vapor sand under different condition can be simulated, and to carry out hydrate pilot production
Architecture simulation experiment provides basis.
It should be understood that for those of ordinary skills, it can be modified or changed according to the above description,
And all these modifications and variations should all belong to the protection domain of the appended claims for the utility model.
Claims (8)
1. air-water-sand three-phase injection distribution system of simulating hydrate emulation exploitation, which is characterized in that including groundwater simulation pit shaft
(1), water injection distribution system (2), sand injection distribution system (3), water sand hybrid system (4) gentle injection distribution system (5)；
The water injection distribution system (2) includes water tank (21), and the water tank (21) is connected to water sand by back with water inlet line (22) and mixes
System (4), be provided on the back with water inlet line (22) first manual ball valve (23), the first regulating valve (26), pipeline pump (24) and
First flowmeter (25)；
The sand injection distribution system (3) is connected to water sand hybrid system by sand-feeding tube line (38)；
The water sand hybrid system (4) includes water sand blending bin (41), and the water sand blending bin (41) passes through feed liquor pipeline (45)
It is passed into groundwater simulation pit shaft (1), the second manual ball valve (46), second flowmeter is provided on the feed liquor pipeline (45)
(47), Pulp pump (48), first pressure transmitter (49) and the second regulating valve (410)；
The gas injection distribution system (5) includes air compressor (51), and the air compressor (51) injects pipeline (52) by gas
It is passed into groundwater simulation pit shaft (1), high vacuum butterfly valve (53), flow detection unit is provided on the gas injection pipeline (52)
(54), second pressure transmitter (55), pneumatic ball valve (56) and one way stop peturn valve (57).
2. air-water-sand three-phase injection distribution system of simulating hydrate emulation exploitation according to claim 1, it is characterised in that：
The wellhead sealing of the groundwater simulation pit shaft (1) is equipped with doughnut-shaped steel plate, the gentle injection pipeline (52) of feed liquor pipeline (45)
It is passed into groundwater simulation pit shaft (1) across doughnut-shaped steel plate, the gentle injection pipeline (52) of feed liquor pipeline (45) and annular steel
It is tightly connected between plate.
3. air-water-sand three-phase injection distribution system of simulating hydrate emulation exploitation according to claim 1, it is characterised in that：
Inlet opening and spillway hole are respectively arranged at the top of the water tank (21), bottom is provided with osculum, is arranged in the water tank (21)
There are liquid-level switch, the inlet opening of the water tank (21) to be connected to water source, water tank (21) osculum and back with water inlet line (22)
Entrance is connected.
4. air-water-sand three-phase injection distribution system of simulating hydrate emulation exploitation according to claim 1, it is characterised in that：
The sand injection distribution system (3) includes storage sand warehouse (31), sand hopper (32), the device that shakes out (33) and weighing system (34), the storage sand warehouse
(31) and sand hopper (32) is funnel-form, the feed inlet setting of the discharge port face sand hopper (32) of the storage sand warehouse (31), described
The discharge outlet of storage sand warehouse (31) is provided with the first operated pneumatic valve (39), and the inside of the sand hopper (32) is set gradually from top to bottom
There are upper material position (35) and lower material position (36), is respectively arranged with detection sensor in the upper material position (35) and lower material position (36), institute
The discharge port for stating sand hopper (32) is connected with the feed inlet of the device that shakes out (33), and the discharge outlet of the sand hopper (32) is provided with the second gas
Movable valve (37), lower section of weighing system (34) setting in the device that shakes out (33).
5. air-water-sand three-phase injection distribution system of simulating hydrate emulation exploitation according to claim 4, it is characterised in that：
Connected vertically plus sandpipe (42) and fluid hose (43) are provided in the water sand blending bin (41), described plus sandpipe (42) is vertical
Setting, suitable for reading to be connected with loading hopper (44), lower mouth connects with horizontally disposed fluid hose (43), the entrance of fluid hose (43)
Be connected with the outlet of back with water inlet line (22), outlet be connected with the entrance of feed liquor pipeline (45), the loading hopper (44) with shake out
The discharge port of device (33) is connected.
6. air-water-sand three-phase injection distribution system of simulating hydrate emulation exploitation according to claim 5, it is characterised in that：
The top of the loading hopper (44) is provided with liquid level upper limit monitor.
7. air-water-sand three-phase injection distribution system of simulating hydrate emulation exploitation according to claim 1, it is characterised in that：
The Pulp pump (48) is Cam type rotor pump.
8. air-water-sand three-phase injection distribution system of simulating hydrate emulation exploitation according to claim 1, it is characterised in that：
The second flowmeter (47) is precession swirlflowmeter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721642612.6U CN207750065U (en) | 2017-11-30 | 2017-11-30 | Air-water-sand three-phase injection distribution system of simulating hydrate emulation exploitation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721642612.6U CN207750065U (en) | 2017-11-30 | 2017-11-30 | Air-water-sand three-phase injection distribution system of simulating hydrate emulation exploitation |
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| Publication Number | Publication Date |
|---|---|
| CN207750065U true CN207750065U (en) | 2018-08-21 |
Family
ID=63148015
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721642612.6U Withdrawn - After Issue CN207750065U (en) | 2017-11-30 | 2017-11-30 | Air-water-sand three-phase injection distribution system of simulating hydrate emulation exploitation |
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| Country | Link |
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| CN (1) | CN207750065U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107956456A (en) * | 2017-11-30 | 2018-04-24 | 青岛海洋地质研究所 | Air-water-sand three-phase the injection distribution system and method for simulating hydrate emulation exploitation |
| GB2585367A (en) * | 2019-06-25 | 2021-01-13 | Equinor Energy As | Optimisation of water injection for liquid hydrocarbon production |
| CN114961675A (en) * | 2022-05-25 | 2022-08-30 | 德州华海石油机械股份有限公司 | Intelligent on-line detection injection equipment |
-
2017
- 2017-11-30 CN CN201721642612.6U patent/CN207750065U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107956456A (en) * | 2017-11-30 | 2018-04-24 | 青岛海洋地质研究所 | Air-water-sand three-phase the injection distribution system and method for simulating hydrate emulation exploitation |
| GB2585367A (en) * | 2019-06-25 | 2021-01-13 | Equinor Energy As | Optimisation of water injection for liquid hydrocarbon production |
| GB2585367B (en) * | 2019-06-25 | 2021-07-14 | Equinor Energy As | Optimisation of water injection for liquid hydrocarbon production |
| CN114961675A (en) * | 2022-05-25 | 2022-08-30 | 德州华海石油机械股份有限公司 | Intelligent on-line detection injection equipment |
| CN114961675B (en) * | 2022-05-25 | 2023-07-14 | 德州华海石油机械股份有限公司 | Intelligent on-line detection injection equipment |
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