CN202745851U - Natural gas and drilling gas recycling equipment - Google Patents
Natural gas and drilling gas recycling equipment Download PDFInfo
- Publication number
- CN202745851U CN202745851U CN 201220464341 CN201220464341U CN202745851U CN 202745851 U CN202745851 U CN 202745851U CN 201220464341 CN201220464341 CN 201220464341 CN 201220464341 U CN201220464341 U CN 201220464341U CN 202745851 U CN202745851 U CN 202745851U
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- gas
- drilling
- stage separator
- surge tank
- separator
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- Expired - Fee Related
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Abstract
The utility model relates to natural gas and drilling gas recycling equipment, which is simple in structure and can meet requirements for recycling and purification. A first-stage separator is arranged at a wellhead and is connected with a second-stage separator; the second-stage separator is connected with a buffering tank; the buffering tank is connected with a filter and a compressor; the compressor is connected with a pipe network; furthermore, the first-stage separator and the second-stage separator are connected with a sewage pool through a sewage pump; the buffering tank is connected with the sewage pool through a pipeline with an electromagnetic valve; and the sewage pump and the electromagnetic valve are connected with a controller.
Description
Technical field
The utility model relates to a kind of gas drilling gas recovery unit.
Background technology
Natural Gas Underbalanced Drilling has that drilling speed is high, reservoir damage is little, do not pollute landwaste, can effectively solve the advantages such as leakage problem, and natural gas is little to drill tool corrosion, not can with stratum combustible generation down-hole blasting, be the effective means of exploration and development low pressure, low permeability reservoir.Existing gas drilling technique all is to utilize the sediment outflow pipeline that the rock natural gas of taking that annular space is back to ground is directly put combustion, and so not only the drilling cuttings in contaminated environment but also the conventional drilling well head effluent that wastes energy was blended in the drilling fluid, and gas is easy to separate clean.The drilling cuttings granularity is very little in the gas drilling well head effluent, has increased separating difficulty, and the gas drilling speed, and the drilling cuttings quality that is back to ground is also large than conventional drilling.Gas injection rate scope because of gas drilling is large again, and the pressure that well head is taken rock gas is subjected to the impact on stratum, also may contain water, oil in the well head effluent, and this can produce the wall sticking phenomenon of separator system.Therefore piece-rate system needs guaranteed efficiency high flexible with operation, and simultaneously requirement can be discharged system to the drilling cuttings that separates in time.
The utility model content
The purpose of this utility model provides a kind of gas drilling gas recovery unit exactly for addressing the above problem, and it is simple in structure, can satisfy the requirement of reclaiming clean.
For achieving the above object, the utility model adopts following technical scheme:
A kind of gas drilling gas recovery unit is provided with primary separator at well head, and primary separator is connected with second-stage separator, and second-stage separator is connected with surge tank, and surge tank is connected with strainer, compressor, and compressor is connected with pipe network; Primary separator, second-stage separator also are connected with sewage reservoir by foul water pump simultaneously, and surge tank is connected with sewage reservoir by the pipeline with electromagnetic valve, and foul water pump all is connected with controller with electromagnetic valve.
Described surge tank top is provided with safety valve.
Technological process of the present utility model is: pit shaft out take that the rock natural gas at first enters into primary separator and second-stage separator carries out centrifugation, remove oarse-grained drilling cuttings (and drop), gas after the separation enters into surge tank, the pressure of buffering follow-up system; Gas in the surge tank enters into strainer again and carries out fine filtering, and the gas after the filtration recycles after by compressor boost.Give vent to anger and can cause piece-rate system pressure suddenly to increase in the stratum; in order to protect device security, in the surge tank top design safety valve has been installed, when the pressure of piece-rate system surpasses safety valve setting pressure; safety valve is opened, and the gas in the system is discharged in the open flow pond by blow-down pipe puts combustion.
The beneficial effects of the utility model are: system architecture is simple, can effectively purify and reclaim natural gas.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Wherein, 1. well head, 2. primary separator, 3. second-stage separator, 4. surge tank, 5. strainer, 6. compressor, 7. pipe network, 8. foul water pump, 9. sewage reservoir, 10. electromagnetic valve.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is described further.
Among Fig. 1, be provided with primary separator 2 at well head 1, primary separator 2 is connected with second-stage separator 3, and second-stage separator 3 is connected with surge tank 4, and surge tank 4 is connected with strainer 5, compressor 6, and compressor 6 is connected with pipe network 7; Primary separator 2, second-stage separator 3 also are connected with sewage reservoir 9 by foul water pump 8 simultaneously, and surge tank 4 is connected with sewage reservoir 9 by the pipeline with electromagnetic valve 10, and foul water pump all is connected with controller with electromagnetic valve 10.Surge tank 4 tops are provided with safety valve.
Claims (2)
1. a gas drilling gas recovery unit is characterized in that, is provided with primary separator at well head, and primary separator is connected with second-stage separator, and second-stage separator is connected with surge tank, and surge tank is connected with strainer, compressor, and compressor is connected with pipe network; Primary separator, second-stage separator also are connected with sewage reservoir by foul water pump simultaneously, and surge tank is connected with sewage reservoir by the pipeline with electromagnetic valve, and foul water pump all is connected with controller with electromagnetic valve.
2. gas drilling gas recovery unit as claimed in claim 1 is characterized in that, described surge tank top is provided with safety valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220464341 CN202745851U (en) | 2012-09-12 | 2012-09-12 | Natural gas and drilling gas recycling equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220464341 CN202745851U (en) | 2012-09-12 | 2012-09-12 | Natural gas and drilling gas recycling equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202745851U true CN202745851U (en) | 2013-02-20 |
Family
ID=47705268
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220464341 Expired - Fee Related CN202745851U (en) | 2012-09-12 | 2012-09-12 | Natural gas and drilling gas recycling equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202745851U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105822222A (en) * | 2016-05-10 | 2016-08-03 | 中国石油集团川庆钻探工程有限公司工程技术研究院 | Well drilling process system and well drilling method for circularly recycling natural gas |
| CN104405361B (en) * | 2014-11-25 | 2017-03-15 | 青岛汇森能源设备股份有限公司 | Skid-mounted type open flow gas recovery system and recovery method |
-
2012
- 2012-09-12 CN CN 201220464341 patent/CN202745851U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104405361B (en) * | 2014-11-25 | 2017-03-15 | 青岛汇森能源设备股份有限公司 | Skid-mounted type open flow gas recovery system and recovery method |
| CN105822222A (en) * | 2016-05-10 | 2016-08-03 | 中国石油集团川庆钻探工程有限公司工程技术研究院 | Well drilling process system and well drilling method for circularly recycling natural gas |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130220 Termination date: 20130912 |