CN206830145U - Well casing gas recovery device - Google Patents
Well casing gas recovery device Download PDFInfo
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- CN206830145U CN206830145U CN201720671830.6U CN201720671830U CN206830145U CN 206830145 U CN206830145 U CN 206830145U CN 201720671830 U CN201720671830 U CN 201720671830U CN 206830145 U CN206830145 U CN 206830145U
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- water tank
- water
- valve
- way solenoid
- casing gas
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Abstract
The utility model belongs to petroleum gas technical field, more particularly to a kind of well casing gas recovery device, including the first water tank, the second water tank, the first three-way solenoid valve, the second three-way solenoid valve, water pump and liquid level module；First water tank and the second water tank air inlet are connected with oil well casing, and gas outlet is connected with oil well gathering line, and power supply can rely on oil well electric power system.Control magnetic valve to realize that water pump is imported and exported flow and switched by liquid-level switch, water-filling, draining are replaced by the first water tank and the second water tank, realize package unit air-breathing, degassing function.The order parameter of water pump and water pot can flexibly be selected according to well casing gas yield, pressure, and the utility model can solve the problem of different well casing gas change of production are bigger, processing medium is complicated, and compressor assembly is difficult adaptation.
Description
Technical field
The utility model belongs to petroleum gas technical field, more particularly to a kind of well casing gas recovery device.
Background technology
Crude oil from stratum to pit shaft after pressure reduce, the natural gas being dissolved in crude oil is discharged into wellbore annulus,
If do not handled, constantly accumulation can raise casing pressure, influence oil well output, and casing gas yield is little, general daily hundreds of to
Thousands of mark sides, are such as connected in station with pipeline, and investment is too high, without recovery value.Such as it is directly discharged in air, can causes
Environmental pollution.
Existing well casing gas recovery mainly drives the principles such as air pump system to do work by compressor assembly or sucker rod, will
Casing gas squeezes into oil well gathering line after extracting out.Subject matter：1st, casing gas complicated component, containing lime set；2nd, compressor (including into
The air pump that product compressor or sucker rod drive) consumable accessory is more, and operating mode is complicated, it is difficult to safeguard；3rd, well casing gas amount excursion
Greatly, it is difficult to adapt to；4th, cost and maintenance cost are high.
Utility model content
For in the prior art the defects of, the utility model provides a kind of well casing gas recovery device, can solve to pass
Compressor assembly working media of uniting is associated gas, dangerous big；Well casing gas complicated component and messy, enters compressor
System is unstable；Compressor assembly is complicated, and manufacturing expense is high；Different well casing gas change of production are bigger, compressor assembly
It is difficult to the problem of adapting to.
The utility model provides a kind of well casing gas recovery device, including the first water tank, the second water tank, the first electricity
Magnetic triple valve, the second three-way solenoid valve, water pump and liquid level module；
The inlet end of first water tank and the inlet end of the second water tank are connected with casing gas well head；First water tank
Outlet side and the outlet side of the second water tank be connected with oil well gathering line；
I mouth of first water tank also with first three-way solenoid valve is connected；Second water tank also with it is described
The I mouths connection of second three-way solenoid valve；
The II mouths of first three-way solenoid valve and the water side of water pump connect；The II mouths of second three-way solenoid valve and entering for water pump
Water end (W.E.) connects；The III mouths of first three-way solenoid valve and the water inlet end of water pump connect；The III mouths and water pump of second three-way solenoid valve
Water side connection；
The first liquid-level switch is provided with first water tank, the second liquid-level switch, institute are provided with second water tank
State liquid level module and first liquid-level switch, second liquid-level switch, the first three-way solenoid valve and the second electromagnetism three
Port valve control connection.
So, the I mouths of the I mouths of the first three-way solenoid valve and the second three-way solenoid valve are in opening, while open the
The III mouths of one three-way solenoid valve and the III mouths of the second three-way solenoid valve, water pump absorb water from the first water tank and are pressed onto second through water pump
Water tank, now casing gas be drawn into from casing gas well head in the first water tank, when the first water tank liquid level is less than setting value,
First liquid-level switch sends the signal to liquid level module, and the III of the first three-way solenoid valve is closed in liquid level module control
Mouth and the II mouths for opening the first three-way solenoid valve simultaneously；Liquid level module control closes the III mouths of the second three-way solenoid valve simultaneously
The II mouths of the second three-way solenoid valve are opened simultaneously；Water pump absorbs water from the second water tank and is pressed onto the first water tank, the first storage through water pump
Casing gas in water pot is pressed into oil well gathering line, completes the recovery of casing gas；Liquid level module is by controlling the first electromagnetism three
Port valve and the second three-way solenoid valve, the air-breathing of the second water tank can be completed with supplying gas.
Further, the first check valve, the second storage are provided between the inlet end and casing gas well head of first water tank
The 3rd check valve is provided between the inlet end and casing gas well head of water pot；The outlet side of first water tank and oil well collector and delivery pipe
The second check valve is provided between road, the 4th check valve is provided between the outlet side of second water tank and oil well gathering line.
So, the first check valve, the 3rd check valve, the second check valve and the 4th check valve control casing gas can only be from set
Pipe gas well mouth air inlet, and outlet is to oil well gathering line.
Further, the first stop valve is additionally provided between first check valve and casing gas well head, the described 3rd is unidirectional
The 4th stop valve is additionally provided between valve and casing gas well head, second section is additionally provided between second check valve and casing gas well head
Only valve, the 5th stop valve is additionally provided between the 4th check valve and casing gas well head.
So, the first stop valve, the 4th stop valve, the second stop valve, the 5th stop valve fluid loop can be opened,
Close or throttle, ensure the normal work of fluid loop.
Further, the first bypass circulation is connected to by the both ends of second check valve, is set on first bypass circulation
There is the 3rd stop valve；It is connected to the second bypass circulation by the both ends of 4th check valve, first bypass circulation is provided with the
Six stop valves.
So, bypass circulation can open bypass circulation when main road breaks down, in the case of non-stop-machine, and will
Main road closes handling failure, can not so influence work.Also, the stop valve installed in the case of main road latus rectum is great, directly
It is harder to connect the stop valve of unlatching/closing big orifice, by installing a less stop valve of latus rectum in bypass, first opens small
Stop valve, after the stop valve pressure on main road stimulates the menstrual flow is established, be then turned on main road stimulate the menstrual flow on stop valve, it is more laborsaving.
Further, the water side of the water pump is provided with the 5th check valve；5th check valve is located at water pump and second
Between three-way solenoid valve.
So, the 5th check valve can prevent water from flowing back into water pump, avoid because water backflow causes water to become operational impairment.
Further, the water pump is centrifugal pump.
So, centrifugal pump have rotating speed height, small volume, in light weight, efficiency high, flow it is big, it is simple in construction, transfusion acrotism
The features such as dynamic, smooth performance, easy Operation and maintenance facilitate.
The beneficial effects of the utility model are：(1) working media is water, dangerous small；(2) water pot and water pump collocation, can
According to well casing gas yield, flexible design manufacturing parameter；(3) pump working is than compressor displacement easy care；It is (4) simple in construction,
Overall cost is low.
Brief description of the drawings
, below will be right in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
The required accompanying drawing used is briefly described in embodiment or description of the prior art.In all of the figs, it is similar
Element or part are typically identified by similar reference.In accompanying drawing, each element or part might not be according to the ratios of reality
Draw.
Fig. 1 is the utility model structure diagram；
Fig. 2 is the structural representation of the first three-way solenoid valve；
Fig. 3 is the structural representation of the second three-way solenoid valve.
In accompanying drawing：1 represents the first water tank；2 represent the second water tank；3 represent the first three-way solenoid valve；4 represent second
Three-way solenoid valve；5 represent water pump；6 represent the first liquid-level switch；7 represent the second liquid-level switch；8 represent the first stop valve；9 tables
Show the first check valve；10 represent the second stop valve；11 represent the second check valve；12 represent the 3rd stop valve；13 represent the 4th section
Only valve；14 represent the 3rd check valve；15 represent the 5th stop valve；16 represent the 6th stop valve；17 represent four check valves；18 represent
5th check valve；19 represent liquid level module.
Embodiment
In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, below in conjunction with accompanying drawing and implementation
Example, the utility model is further elaborated.It should be appreciated that specific embodiment described herein is only explaining
The utility model, it is not used to limit the utility model.
As shown in Figure 1 to Figure 3, a kind of well casing gas recovery device provided by the utility model, including the first water tank
1st, the second water tank 2, the first three-way solenoid valve 3, the second three-way solenoid valve 4, water pump 5 and liquid level module 19；Described first
The inlet end of the inlet end of water tank 1 and the second water tank 2 is connected with casing gas well head accordingly；The outlet of first water tank 1
End and the outlet side of the second water tank 2 are connected with oil well gathering line accordingly；First water tank 1 is also electric with described first
The I mouths connection of magnetic triple valve 3；I mouth of second water tank 2 also with second three-way solenoid valve 4 is connected；First electromagnetism three
The II mouths of port valve 3 are connected with the water side of water pump 5；The II mouths of second three-way solenoid valve 4 are connected with the water inlet end of water pump 5；First
The III mouths of three-way solenoid valve 3 are connected with the water inlet end of water pump 5；The III mouths of second three-way solenoid valve 4 connect with the water side of water pump 5
Connect；The first liquid-level switch 6 is provided with first water tank 1, the second liquid-level switch 7 is provided with second water tank 2, it is described
Liquid level module 19 and first liquid-level switch 6, second liquid-level switch 7, the first three-way solenoid valve 3 and the second electromagnetism
The control connection of triple valve 4.
Such as Fig. 1, the first check valve 9, the second water storage are provided between the inlet end and casing gas well head of first water tank 1
The 3rd check valve 14 is provided between the inlet end and casing gas well head of tank 2；The outlet side of first water tank 1 and oil well collection are defeated
The second check valve 11 is provided between pipeline, it is single that the 4th is provided between the outlet side of second water tank 2 and oil well gathering line
To valve 17, the first check valve 9, the 3rd check valve 14, the second check valve 11 and the 4th check valve 17 control casing gas can only be from
Casing gas well head air inlet, and outlet is to oil well gathering line.
Such as Fig. 1, the first stop valve 8, the 3rd check valve are additionally provided between first check valve 9 and casing gas well head
The 4th stop valve 13 is additionally provided between 14 and casing gas well head, is additionally provided between second check valve 11 and casing gas well head
Two stop valves 10, the 5th stop valve 15, the first stop valve 8, are additionally provided between the 4th check valve 17 and casing gas well head
Four stop valves 13, the second stop valve 10, the 5th stop valve 15 can be opened to fluid loop, closed or be throttled, and ensure liquid
The normal work of body loop.
Such as Fig. 1, the first bypass circulation is connected to by the both ends of second check valve 11, first bypass circulation is provided with
3rd stop valve 12；The second bypass circulation is connected to by the both ends of 4th check valve 17, first bypass circulation is provided with
6th stop valve 16, bypass circulation can open bypass circulation when main road breaks down, in the case of non-stop-machine, and will
Main road closes handling failure, can not so influence work.Also, the stop valve installed in the case of main road latus rectum is great, directly
It is harder to connect the stop valve of unlatching/closing big orifice, by installing a less stop valve of latus rectum in bypass, first opens small
Stop valve, after the stop valve pressure on main road stimulates the menstrual flow is established, be then turned on main road stimulate the menstrual flow on stop valve, it is more laborsaving.
Such as Fig. 1, the water side of the water pump 5 is provided with the 5th check valve 18；5th check valve 18 is located at water pump 5 and
Between two three-way solenoid valves 4, the 5th check valve 18 can prevent water from flowing back into water pump 5, avoid because water backflow causes water to be exchanged work
Damage.
Water pump 5 in the utility model is centrifugal pump, and centrifugal pump has rotating speed height, small volume, in light weight, efficiency high, stream
Measure big, simple in construction, transfusion pulse free, the features such as smooth performance, easy Operation and maintenance facilitate.
Operation principle of the present utility model is as follows, at the I mouths of the I mouths of the first three-way solenoid valve 3 and the second three-way solenoid valve 4
In opening, while open the III mouths of the first three-way solenoid valve 3 and the III mouths of the second three-way solenoid valve 4, water pump 5 from first
Water tank 1 absorbs water is pressed onto the second water tank 2 through water pump 5, and now casing gas is drawn into the first water tank 1 from casing gas well head,
When the liquid level of the first water tank 1 is less than setting value, the first liquid-level switch 6 sends the signal to liquid level module 19, liquid level control
The control of molding block 19 closes the III mouths of the first three-way solenoid valve 3 and opens the II mouths of the first three-way solenoid valve 3 simultaneously；Liquid level control
The control of molding block 19 closes the III mouths of the second three-way solenoid valve 4 and opens the II mouths of the second three-way solenoid valve 4 simultaneously；Water pump 5 from
Second water tank 2 absorbs water is pressed onto the first water tank 1 through water pump 5, and the casing gas in the first water tank 1 is pressed into oil well collector and delivery pipe
Road；Complete the recovery of casing gas；Liquid level module 19, can by controlling the first three-way solenoid valve 3 and the second three-way solenoid valve 4
To complete the air-breathing of the second water tank 2 with supplying gas.
Meanwhile if oil well tolerance is bigger, larger pump and tank, also, most domestic oil well should be selected accordingly
It is aqueous all more than 80%, initial water can be directly with the self-produced sewage of oil well in tank.
Finally it should be noted that：Various embodiments above is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the utility model is described in detail with reference to foregoing embodiments, one of ordinary skill in the art should
Understand：It can still modify to the technical scheme described in foregoing embodiments, either to which part or whole
Technical characteristic carries out equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from this practicality newly
The scope of each embodiment technical scheme of type, it all should cover among claim of the present utility model and the scope of specification.
Claims (6)
- A kind of 1. well casing gas recovery device, it is characterised in that：Including the first water tank, the second water tank, the first electromagnetism three Port valve, the second three-way solenoid valve, water pump and liquid level module；The inlet end of first water tank and the inlet end of the second water tank are connected with casing gas well head；First water tank goes out Gas end and the outlet side of the second water tank are connected with oil well gathering line；I mouth of first water tank also with first three-way solenoid valve is connected；Second water tank is also with described second The I mouths connection of three-way solenoid valve；The II mouths of first three-way solenoid valve and the water side of water pump connect；The II mouths of second three-way solenoid valve and the water inlet end of water pump Connection；The III mouths of first three-way solenoid valve and the water inlet end of water pump connect；The III mouths of second three-way solenoid valve and going out for water pump Water end (W.E.) connects；The first liquid-level switch is provided with first water tank, the second liquid-level switch, the liquid are provided with second water tank Position control module and first liquid-level switch, second liquid-level switch, the first three-way solenoid valve and the second three-way solenoid valve Control connection.
- 2. according to the well casing gas recovery device described in claim 1, it is characterised in that：The inlet end of first water tank with The first check valve is provided between casing gas well head, it is unidirectional that the 3rd is provided between the inlet end and casing gas well head of the second water tank Valve；The second check valve is provided between the outlet side of first water tank and oil well gathering line, second water tank goes out The 4th check valve is provided between gas end and oil well gathering line.
- 3. according to the well casing gas recovery device described in claim 2, it is characterised in that：First check valve and sleeve pipe gas well The first stop valve is additionally provided between mouthful, is additionally provided with the 4th stop valve between the 3rd check valve and casing gas well head, described the The second stop valve is additionally provided between two check valves and casing gas well head, is additionally provided between the 4th check valve and casing gas well head 5th stop valve.
- 4. according to the well casing gas recovery device described in claim 3, it is characterised in that：Connect by the both ends of second check valve There is the first bypass circulation, first bypass circulation is provided with the 3rd stop valve；Is connected to by the both ends of 4th check valve Two bypass circulations, first bypass circulation are provided with the 6th stop valve.
- 5. according to the well casing gas recovery device described in claim 1, it is characterised in that：The water side of the water pump is provided with the 5th Check valve；5th check valve is between water pump and the second three-way solenoid valve.
- 6. according to the well casing gas recovery device described in claim 1-5 any one, it is characterised in that：The water pump is centrifugation Pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720671830.6U CN206830145U (en) | 2017-06-09 | 2017-06-09 | Well casing gas recovery device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720671830.6U CN206830145U (en) | 2017-06-09 | 2017-06-09 | Well casing gas recovery device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206830145U true CN206830145U (en) | 2018-01-02 |
Family
ID=60775346
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720671830.6U Ceased CN206830145U (en) | 2017-06-09 | 2017-06-09 | Well casing gas recovery device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206830145U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109184633A (en) * | 2018-09-19 | 2019-01-11 | 深圳市冠瑞达能源装备有限公司 | A kind of casing gas automatic recycling device of assisted |
| WO2022143593A1 (en) * | 2020-12-31 | 2022-07-07 | 广东管辅能源科技有限公司 | Multi-phase flow mixing and delivering device |
-
2017
- 2017-06-09 CN CN201720671830.6U patent/CN206830145U/en not_active Ceased
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109184633A (en) * | 2018-09-19 | 2019-01-11 | 深圳市冠瑞达能源装备有限公司 | A kind of casing gas automatic recycling device of assisted |
| CN109184633B (en) * | 2018-09-19 | 2021-04-27 | 深圳市冠瑞达能源装备有限公司 | Boosting type automatic sleeve gas recovery device |
| WO2022143593A1 (en) * | 2020-12-31 | 2022-07-07 | 广东管辅能源科技有限公司 | Multi-phase flow mixing and delivering device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| IW01 | Full invalidation of patent right |
Decision date of declaring invalidation: 20210831 Decision number of declaring invalidation: 51645 Granted publication date: 20180102 |
|
| IW01 | Full invalidation of patent right |