CN205047209U - Natural gas well initial stage open flow gas recovery unit - Google Patents
Natural gas well initial stage open flow gas recovery unit Download PDFInfo
- Publication number
- CN205047209U CN205047209U CN201520843783.XU CN201520843783U CN205047209U CN 205047209 U CN205047209 U CN 205047209U CN 201520843783 U CN201520843783 U CN 201520843783U CN 205047209 U CN205047209 U CN 205047209U
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- natural gas
- settling tank
- mud settling
- horizontal mud
- sand setting
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Abstract
The utility model relates to a natural gas well initial stage open flow gas recovery unit, including horizontal sand setting jar and oil and gas separator, its characterized in that: horizontal sand setting jar below is equipped with the level and lets out the sandpipe, the level is let out and is equipped with a plurality of perpendicular sand pipes of letting out between sandpipe and the horizontal sand setting tank bottoms portion, the level is let out sandpipe one end and is equipped with the quck -opening valve door, upper portion is equipped with natural gas intake pipe in horizontal sand setting jar one side, the exit position of corresponding natural gas intake pipe is hung and is equipped with the sacrifice baffle in the horizontal sand setting jar, in the horizontal sand setting jar opposite side lower part be equipped with with the fluid -discharge tube of oil and gas separator intercommunication and with the fluid -discharge tube same level's in entrance level gauge, the fluid -discharge tube is located and is equipped with the pneumatic valve III that receives level gauge control on the outside pipeline of horizontal sand setting jar, horizontal sand setting tank deck portion is equipped with the natural gas export I that has a pneumatic valve I of going to the torch, go to production manifold's the natural gas export II that has a pneumatic valve II. Simple structure, use safe and reliable, the degritting, to take off liquid efficient, and degree of automation is high, convenient operation.
Description
Technical field
The utility model relates to oil and gas exploitation field, particularly a kind of natural gas well initial stage open flow gas recovering device, is applicable to the oil and gas exploitation initial stage to the desanding of natural gas during natural gas open flow, de-liquid, natural gas reclaimer operation.
Background technology
Natural gas is as clean energy resource, and application is extensive, but restricts by working condition, and the current mining type initial stage is still the unlimited mode of air burning, both wastes the energy, and pollutes environment again.Only for Changqing oilfields operation block, the quantity of annual new well is more than 100 mouthfuls, and the natural gas loss amount that open flow produces every day at initial stage is about 5-10 ten thousand side, and the cycle is about 10 days, then the natural gas of annual open flow loss is about 5000-10000 ten thousand side.
Owing to just entering the open flow stage after natural gas well pressure break terminates, product is lured to the natural gas well, remove the fracturing fluid of in pit shaft and near wellbore zone and unstable fracturing sand.The open flow stage due to natural gas well pressure high, mixed gas go out well stream speed fast, containing sand, containing liquid, easily sand cutting is caused to normal production equipment, existing treatment facility possess enough withstand voltage after, reduce storage sand ability, can not continuous seepage, can not effective separation and recovery natural gas, major part can only be seted off sky.
Summary of the invention
The purpose of this utility model is to overcome the defect that prior art exists, the natural gas well initial stage open flow gas recovering device providing a kind of structure simple, safe and reliable, and its desanding, de-liquid efficiency are high, and automaticity is high, easy to operate.
The technical solution of the utility model is:
A kind of natural gas well initial stage open flow gas recovering device, comprise horizontal mud settling tank and gs-oil separator, it is characterized in that: be provided with level below described horizontal mud settling tank and let out sandpipe, described level let out sandpipe with bottom horizontal mud settling tank between be provided with and multiplely vertically let out sand conduit, described level lets out the shutoff of sandpipe one end, the other end is provided with quick opening valve, middle and upper part, described horizontal mud settling tank side is provided with natural gas air inlet pipe, in described horizontal mud settling tank, the exit position of corresponding natural gas air inlet pipe is hung and is provided with sacrifice baffle plate, described horizontal mud settling tank opposite side middle and lower part is provided with the discharging tube that is communicated with gs-oil separator and the content gauge with discharging tube entrance same level height, the pipeline that described discharging tube is positioned at horizontal mud settling tank outside is provided with the pneumatic operated valve III controlled by content gauge, described horizontal mud settling tank top is provided with the gas outlet I with pneumatic operated valve I going to torch, go to the gas outlet II with pneumatic operated valve II producing manifold, safety valve I, pressure meter I and inspection manhole, separately sewage draining exit is provided with bottom described horizontal mud settling tank.
Above-mentioned natural gas well initial stage open flow gas recovering device, described horizontal mud settling tank top is separately provided with safe fence.
Above-mentioned natural gas well initial stage open flow gas recovering device, described gs-oil separator top is provided with safety valve II and pressure meter II.
Above-mentioned natural gas well initial stage open flow gas recovering device, described horizontal mud settling tank adopts sled block structure, to be undertaken moving and assembling by designing requirement.
The beneficial effects of the utility model are:
1, two gas outlets can carry out according to pressure in tank the switch switching pneumatic operated valve I and pneumatic operated valve II automatically, natural gas is guided to go to distinct device, when gas pressure is opened automatically lower than pneumatic operated valve during 0.6Mpa-0.7Mpa I, when gas pressure is opened automatically higher than pneumatic operated valve during 0.7Mpa II, realize the recovery to natural gas well initial stage open flow gas;
2, liquid level in content gauge detection tank, and control pneumatic operated valve III automatic drain, through gs-oil separator cutting out partial natural gas realization recovery again;
The fracturing sand be separated when 3, producing lets out sandpipe storage through vertically letting out the sand conduit level of entering, and after separation of produced terminates, the fracturing sand be separated is cleared up through quick opening valve, achieves the object in open flow sand removal interval; Then this mud settling tank collection is separated and saves as one, improves the treatment and purification ability of equipment, can individual well continuous seepage;
4, sacrifice baffle plate and blocked the sand cutting of the fracturing sand in natural gas to tank body, prevent overequipment to damage, extend the application life of equipment;
5, experiment proves, this device can reach more than 85% to natural gas except sand coarse aggregate ratio, process liquid measure be 50 sides/hour, natural gas processing amount be 10,000 sides/hour.
Accompanying drawing explanation
Fig. 1 is the structural representation of utility model.
In figure: 1. horizontal mud settling tank, 2. natural gas air inlet pipe, 3. safety valve I, 4. pressure meter I, 5. inspection manhole, 6. safe fence, 7. pneumatic operated valve I, 8. gas outlet I, 9. gas outlet II, 10. pneumatic operated valve II, 11. sacrifice baffle plate, 12. content gauges, 13. discharging tubes, 14. pneumatic operated valve III, 15. gs-oil separators, 16. safety valve II, 17. pressure meter II, 18. sewage draining exits, 19. vertically let out sand conduit, 20. levels let out sandpipe, 21. quick opening valves.
Detailed description of the invention
As shown in Figure 1, this natural gas well initial stage open flow gas recovering device, comprise horizontal mud settling tank 1 and gs-oil separator 15, be provided with level below described horizontal mud settling tank 1 and let out sandpipe 20, described level let out sandpipe 20 with bottom horizontal mud settling tank 1 between be provided with and multiplely vertically let out sand conduit 19, described level lets out sandpipe 20 one end shutoff, and the other end is provided with quick opening valve 21.Middle and upper part, described horizontal mud settling tank 1 side is provided with natural gas air inlet pipe 2, and in described horizontal mud settling tank 1, the exit position of corresponding natural gas air inlet pipe 2 is hung to be provided with and sacrificed baffle plate 11.Described horizontal mud settling tank 1 opposite side middle and lower part is provided with the discharging tube 13 that is communicated with gs-oil separator 15 and the content gauge 12 with discharging tube 13 entrance same level height, and the pipeline that described discharging tube 13 is positioned at horizontal mud settling tank 1 outside is provided with the pneumatic operated valve III 14 controlled by content gauge 12.Described horizontal mud settling tank 1 top is provided with the gas outlet I 8 with pneumatic operated valve I 7 going to torch, the gas outlet II 9 with pneumatic operated valve II 10 going to production manifold, safety valve I 3, pressure meter I 4, inspection manhole 5 and safe fence 6.Separately be provided with sewage draining exit 18 bottom described horizontal mud settling tank 1, equipment cleaning or raffinate are discharged through sewage draining exit 18.Described gs-oil separator 15 top is provided with safety valve II 16 and pressure meter II 17.Described horizontal mud settling tank 1 adopts sled block structure.When horizontal mud settling tank 1 and oil water separator 15 pressure exceed designing requirement, safety valve I 3 and safety valve II 16 open pressure release automatically, guarantee equipment pressure security.During use, oil water separator 15 is positioned at horizontal mud settling tank 1 side, is jointly integrated on a platform.
Operating principle: well head high-pressure natural gas band sand, band liquid enter horizontal mud settling tank 1 from the natural gas air inlet pipe 2 of tank body, and air-flow at a high speed enters tank body rear section and touches sacrifice baffle plate 11, and all the other carry out sedimentation separation in mud settling tank.When gas pressure in tank is opened automatically lower than pneumatic operated valve during 0.6Mpa-0.7Mpa I 7, low pressure natural gas goes to torch burning; When gas pressure is opened automatically higher than pneumatic operated valve during 0.7Mpa II 10, the natural gas via decompressor after desanding enters production manifold.Liquid and the sand of sedimentation are sunken to pot bottom, and sand is let out sandpipe 20 keep in by vertically being let out sand conduit 19 level of entering, and also directly can get rid of tank from quick opening valve 21.When fracturing fluid liquid level reaches discharging tube 13 entrance height, content gauge 12 pneumatic operated valve III 14 that links is opened, and high-order liquid level automatic drain carries out Oil-gas Separation to oil water separator 15.
Claims (4)
1. a natural gas well initial stage open flow gas recovering device, comprise horizontal mud settling tank and gs-oil separator, it is characterized in that: be provided with level below described horizontal mud settling tank and let out sandpipe, described level let out sandpipe with bottom horizontal mud settling tank between be provided with and multiplely vertically let out sand conduit, described level lets out the shutoff of sandpipe one end, the other end is provided with quick opening valve, middle and upper part, described horizontal mud settling tank side is provided with natural gas air inlet pipe, in described horizontal mud settling tank, the exit position of corresponding natural gas air inlet pipe is hung and is provided with sacrifice baffle plate, described horizontal mud settling tank opposite side middle and lower part is provided with the discharging tube that is communicated with gs-oil separator and the content gauge with discharging tube entrance same level height, the pipeline that described discharging tube is positioned at horizontal mud settling tank outside is provided with the pneumatic operated valve III controlled by content gauge, described horizontal mud settling tank top is provided with the gas outlet I with pneumatic operated valve I going to torch, go to the gas outlet II with pneumatic operated valve II producing manifold, safety valve I, pressure meter I and inspection manhole, separately sewage draining exit is provided with bottom described horizontal mud settling tank.
2. natural gas well initial stage open flow gas recovering device according to claim 1, is characterized in that: described horizontal mud settling tank top is separately provided with safe fence.
3. natural gas well initial stage open flow gas recovering device according to claim 1, is characterized in that: described gs-oil separator top is provided with safety valve II and pressure meter II.
4. natural gas well initial stage open flow gas recovering device according to claim 1, is characterized in that: described horizontal mud settling tank adopts sled block structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520843783.XU CN205047209U (en) | 2015-10-27 | 2015-10-27 | Natural gas well initial stage open flow gas recovery unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520843783.XU CN205047209U (en) | 2015-10-27 | 2015-10-27 | Natural gas well initial stage open flow gas recovery unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205047209U true CN205047209U (en) | 2016-02-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520843783.XU Expired - Fee Related CN205047209U (en) | 2015-10-27 | 2015-10-27 | Natural gas well initial stage open flow gas recovery unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205047209U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112013272A (en) * | 2019-05-29 | 2020-12-01 | 中国石油天然气股份有限公司 | Integrated natural gas production skid-mounted device for condensate oil and gas reservoir single-well gas gathering station |
-
2015
- 2015-10-27 CN CN201520843783.XU patent/CN205047209U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112013272A (en) * | 2019-05-29 | 2020-12-01 | 中国石油天然气股份有限公司 | Integrated natural gas production skid-mounted device for condensate oil and gas reservoir single-well gas gathering station |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160224 Termination date: 20211027 |