CN201991494U - Oil well casing gas recycling device - Google Patents
Oil well casing gas recycling device Download PDFInfo
- Publication number
- CN201991494U CN201991494U CN2011200260706U CN201120026070U CN201991494U CN 201991494 U CN201991494 U CN 201991494U CN 2011200260706 U CN2011200260706 U CN 2011200260706U CN 201120026070 U CN201120026070 U CN 201120026070U CN 201991494 U CN201991494 U CN 201991494U
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- pipeline
- outlet pipe
- compression pump
- well casing
- admission line
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Abstract
The utility model discloses an oil well casing gas recycling device, which comprises a compression pump I, a compression pump II, a gas inlet pipeline I, a gas outlet pipeline I and an electric hydraulic pushing pole. One end of the gas inlet pipeline I is connected with a casing gas pressure cylinder of an oil well casing, the other end of the gas inlet pipeline I is connected with a gas inlet pipeline II, one end of the gas outlet pipeline I is connected with a gas outlet pipeline II, the other end of the gas outlet pipeline I is connected with an oil collecting pipeline, the upper portion and the lower portion of one side of the compression pump I are respectively connected with the gas inlet pipeline II via a pipeline I and a pipeline II, the upper portion and the lower portion of the other side of the compression pump I are respectively connected with the gas outlet pipeline II via a pipeline III and a pipeline IV, the upper portion and the lower portion of one side of the compression pump II are respectively connected with the gas inlet pipeline II via a pipeline V and a pipeline VI, and the upper portion and the lower portion of the other side of the compression pump II are respectively connected with the gas outlet pipeline II via a pipeline VII and a pipeline VIII. The oil well casing gas recycling device resolves problems that oil well casing gas is wasted when burnt and burning of the casing gas pollutes environments.
Description
Technical field
The utility model relates to a kind of retracting device, particularly relates to a kind of well casing gas recovery device.
Background technology
During the crude oil exploitation, production wellhead is made up of oil pipe and sleeve pipe, and crude oil is defeated outside oil pumper is extracted out from oil pipe, and the associated gas of separating out from crude oil in the oil well bottom then is distributed in the sleeve pipe, and this part associated gas is called sleeve pipe gas.
When sleeve pipe atmospheric pressure during greater than well head oil pipe oil pressure, sleeve pipe gas can directly enter oil pipe with Crude Oil Transportation.When the sleeve pipe atmospheric pressure is lower than well head oil pipe oil pressure, need to carry with being pressed into oil pipe after the supercharging of sleeve pipe gas, owing to lack at present suitable supercharging technology and equipment, cause a large amount of sleeve pipe gas can not be by effective recycling, can only be in the well head burning back emptying that applies a torch.Both wasted the petroleum resources of a large amount of preciousnesses, and increased the carbon emission amount again, and had a strong impact on atmospheric environment, also the safety in production to oil well brings very big hidden danger.
The utility model content
The purpose of this utility model is to overcome above-mentioned deficiency of the prior art, and a kind of well casing gas recovery device is provided.This well casing gas recovery device can effectively reclaim well casing gas, solved waste of oil well casing gas firing and sleeve pipe gas firing pollution on the environment problem, and it is simple in structure, easy to use, cost of production is low, is convenient to promote the use of.
For achieving the above object, the technical solution adopted in the utility model is: well casing gas recovery device, it is characterized in that: comprise compression pump one, compression pump two, admission line one, admission line two, outlet pipe one, outlet pipe two, and the Electrohydraulic push rod that power is provided for compression pump one and compression pump two, described compression pump two and compression pump one lay respectively at the left side and the right side of Electrohydraulic push rod, one end of described admission line one is connected with the sleeve pipe atmospheric pressure cylinder of oil well casing, the other end of described admission line one is connected with admission line two, and described admission line one is provided with block valve one; One end of described outlet pipe one is connected with outlet pipe two, the other end of described outlet pipe one is connected with gathering line, described outlet pipe one is provided with block valve two, be provided with one way valve nine on the described outlet pipe one and between block valve two and outlet pipe two, be provided with flow meter on the described outlet pipe one and between one way valve nine and outlet pipe two; The upper and lower of one side of described compression pump one is connected with admission line two with pipeline two by pipeline one respectively, and described pipeline one is provided with one way valve one, described pipeline two is provided with one way valve two, the upper and lower of described compression pump one opposite side is connected with outlet pipe two with pipeline four by pipeline three respectively, and described pipeline three is provided with one way valve three, and described pipeline four is provided with one way valve four; The upper and lower of one side of described compression pump two is connected with admission line two with pipeline six by pipeline five respectively, and described pipeline five is provided with one way valve five, described pipeline six is provided with one way valve six, the upper and lower of the opposite side of described compression pump two is connected with outlet pipe two with pipeline eight by pipeline seven respectively, and described pipeline seven is provided with one way valve seven, and described pipeline eight is provided with one way valve eight.
Above-mentioned well casing gas recovery device, described admission line one is provided with spark arrester.
Above-mentioned well casing gas recovery device is provided with block valve three and block valve four between described block valve one and the spark arrester, be provided with strainer between described block valve three and the block valve four.
Above-mentioned well casing gas recovery device is parallel with admission line three between described block valve three and the block valve four, and described admission line three is provided with block valve five.
Above-mentioned well casing gas recovery device is provided with pressure meter one on the described admission line one and between block valve one and block valve three.
Above-mentioned well casing gas recovery device is provided with pressure meter two on the described outlet pipe one and between flow meter and outlet pipe two.
Above-mentioned well casing gas recovery device also comprises control cabinet, and described control cabinet comprises controller, frequency converter and start stop switch, described controller and pressure meter one join, described start stop switch and controller join, and described frequency converter and start stop switch join, and described Electrohydraulic push rod and frequency converter join.
Above-mentioned well casing gas recovery device, the oil cylinder of described Electrohydraulic push rod is provided with temperature pick up, and described temperature pick up and controller join, and described controller and cooling system join.
Above-mentioned well casing gas recovery device also comprises the temperature indicator that joins with controller.
The utility model compared with prior art has the following advantages: this well casing gas recovery device has solved waste of oil well casing gas firing and sleeve pipe gas firing pollution on the environment problem.Preestablish the lower limit and the higher limit of pressure meter one in the described controller, when the inlet pressure of admission line one is lower than the lower limit of pressure meter one setting, controller control start stop switch, thereby the Frequency Converter Control Electrohydraulic push rod is quit work, when the inlet pressure of the admission line one of sleeve pipe gas is higher than the higher limit that pressure meter one sets, described controller control start stop switch, thus the Frequency Converter Control Electrohydraulic push rod is worked on, and this equipment begins again to run well.After temperature on the oil cylinder raises, by temperature pick up the temperature value that collects is passed on the controller, when if temperature value is higher than the higher limit that is set in advance in the controller, cooling system is started working, oil cylinder is cooled off, in the time of in temperature drops to control range, controller control cooling system quits work.Can also directly observe the temperature value that temperature pick up collects by temperature indicator.This well casing gas recovery device can carry out the secondary compression.When the outlet line with compression pump one is connected with the inlet line of compression pump two, just realized the secondary compression.What compression is the difference according to the inlet pressure of well site sleeve pipe gas and sleeve pipe gas discharge capacity, and adopts different connected modes.This well casing gas recovery device can also be under the situation that number of compression stages is determined, according to well site sleeve pipe gas displacement size, by changing the running frequency of Electrohydraulic push rod, the jig frequency of regulating compression pump automatically improves the efficient of equipment, and saves energy reduces running cost.And the Electrohydraulic push rod that the utility model adopts is an all-hydraulic transmission, is active in one's movements, and operates steadily, and can alleviate external impact force effectively, and Stroke Control is accurate.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Description of drawings
Fig. 1 is an overall structure schematic diagram of the present utility model.
Fig. 2 is the circuit connection diagram of the utility model control cabinet.
Description of reference numerals:
1-admission line one; The 2-spark arrester; 3-admission line three;
4-block valve five; 5-pressure meter one; 6-block valve four;
The 7-strainer; 8-block valve three; 9-block valve one;
10-pipeline four; 11-one way valve four; 12-pipeline three;
13-one way valve three; 14-compression pump one; 15-admission line two;
16-pipeline two; 17-one way valve two; 18-pipeline one;
19-one way valve one; The 20-temperature pick up; The 21-oil cylinder;
The 22-Electrohydraulic push rod; 23-one way valve six; 24-pipeline six;
25-one way valve five; 26-pipeline five; 27-compression pump two;
28-one way valve seven; 29-pipeline seven; 30-pipeline eight;
31-one way valve eight; 32-outlet pipe two; 33-pressure meter two;
The 34-flow meter; 35-one way valve nine; 36-block valve two;
37-outlet pipe one; The 38-control cabinet; The 39-controller;
The 40-start stop switch; The 41-frequency converter; The 42-cooling system;
The 43-temperature indicator.
The specific embodiment
A kind of well casing gas recovery device as shown in Figure 1, comprise compression pump 1, compression pump 2 27, admission line 1, admission line 2 15, outlet pipe 1, outlet pipe 2 32, and the Electrohydraulic push rod 22 that power is provided for compression pump 1 and compression pump 2 27, described compression pump 2 27 and compression pump 1 lay respectively at the left side and the right side of Electrohydraulic push rod 22, one end of described admission line 1 is connected with the sleeve pipe atmospheric pressure cylinder of oil well casing, the other end of described admission line 1 is connected with admission line 2 15, and described admission line 1 is provided with block valve 1; One end of described outlet pipe 1 is connected with outlet pipe 2 32, the other end of described outlet pipe 1 is connected with gathering line, described outlet pipe 1 is provided with block valve 2 36, be provided with one way valve 9 35 on the described outlet pipe 1 and between block valve 2 36 and outlet pipe 2 32, be provided with flow meter 34 on the described outlet pipe 1 and between one way valve 9 35 and outlet pipe 2 32; The upper and lower of one side of described compression pump 1 is connected with admission line 2 15 with pipeline 2 16 by pipeline 1 respectively, and described pipeline 1 is provided with one way valve 1, described pipeline 2 16 is provided with one way valve 2 17, the upper and lower of described compression pump one 14 opposite sides is connected with outlet pipe 2 32 with pipeline 4 10 by pipeline 3 12 respectively, and described pipeline 3 12 is provided with one way valve 3 13, and described pipeline 4 10 is provided with one way valve 11; The upper and lower of one side of described compression pump 2 27 is connected with admission line 2 15 with pipeline 6 24 by pipeline 5 26 respectively, and described pipeline 5 26 is provided with one way valve 5 25, described pipeline 6 24 is provided with one way valve 6 23, the upper and lower of the opposite side of described compression pump 2 27 is connected with outlet pipe 2 32 with pipeline 8 30 by pipeline 7 29 respectively, and described pipeline 7 29 is provided with one way valve 7 28, and described pipeline 8 30 is provided with one way valve 8 31.
Described admission line 1 is provided with spark arrester 2.Be provided with block valve 38 and block valve 46 between described block valve 1 and the spark arrester 2, be provided with strainer 7 between described block valve 38 and the block valve 46.
Be parallel with admission line 33 between described block valve 38 and the block valve 46, described admission line 33 is provided with block valve 54.Be provided with pressure meter 1 on the described admission line 1 and between block valve 1 and block valve 38.Be provided with pressure meter 2 33 on the described outlet pipe 1 and between flow meter 34 and outlet pipe 2 32.As shown in Figure 2, this well casing gas recovery device also comprises control cabinet 38, described control cabinet 38 comprises controller 39, frequency converter 41 and start stop switch 40, described controller 39 joins with pressure meter 1, described start stop switch 40 joins with controller 39, described frequency converter 41 joins with start stop switch 40, and described Electrohydraulic push rod 22 joins with frequency converter 41.The oil cylinder 21 of described Electrohydraulic push rod 22 is provided with temperature pick up 20, and described temperature pick up 20 joins with controller 39, and described controller 39 joins with cooling system 42.This well casing gas recovery device also comprises the temperature indicator 43 that joins with controller 39.Described controller 39 can be PLC controller or single-chip microcomputer.
The compression pump 1 of this well casing gas recovery device and compression pump 2 27 synchronous working under the drive of Electrohydraulic push rod 22, when compression pump 1 and compression pump 2 27 move from the bottom up, sleeve pipe gas enters admission line 1 again through block valve 46 (just opening when the block valve 54 on the admission line 33 has only filter rinsed 7) from the sleeve pipe atmospheric pressure cylinder of oil well casing, through strainer 7, block valve 38, block valve 1 enters admission line 2 15, and the one way valve on piping 2 16 2 17 enters compression pump 1, one way valve 5 25 on piping 5 26 enters compression pump 2 27 simultaneously, this moment one way valve 1, one way valve 4 11, one way valve 6 23 and one way valve 31 are in closed condition, and one way valve 3 13 and one way valve 7 28 conductings, sleeve pipe gas enters outlet pipe 2 32 through one way valve 3 13 and one way valve 7 28 respectively after being compressed in compression pump 1 and compression pump 2 27, then sleeve pipe gas enters outlet pipe 1 again from outlet pipe 2 32, build the pressure through flow meter 34, when the outlet sleeve atmospheric pressure is higher than gathering line pressure, one way valve 9 35 conductings, sleeve pipe gas after the compression enters gathering line through block valve 2 36, carries out oil and gas multiphase flow.
When compression pump 1 and compression pump 2 27 move from top to bottom, sleeve pipe gas enters admission line 1 again through block valve 46 (just opening when block valve 54 has only filter rinsed 7 on the admission line 3 3) from the sleeve pipe atmospheric pressure cylinder of oil well casing, through strainer 7, block valve 38, block valve 1 enters admission line 2 15, and the one way valve on piping 11 enters compression pump 1, one way valve 6 23 on piping 6 24 enters compression pump 2 27 simultaneously, this moment one way valve 2 17, one way valve 3 13, one way valve 5 25 and one way valve 7 28 are in closed condition, and one way valve 4 11 and one way valve 8 31 conductings, sleeve pipe gas enters outlet pipe 2 32 through one way valve 4 11 and one way valve 8 31 respectively after being compressed in compression pump 1 and compression pump 2 27, enter outlet pipe 1 again from outlet pipe 32, build the pressure through flow meter 34, when the outlet sleeve atmospheric pressure is higher than gathering line pressure, one way valve 9 35 conductings, sleeve pipe gas after the compression enters gathering line through block valve 2 36, carries out oil and gas multiphase flow.This well casing gas recovery device is back and forth operation constantly like this.
When the inlet pressure of the admission line 1 of sleeve pipe gas is lower than the lower limit that pressure meter 1 sets, equipment shuts down automatically, concrete is, preestablish the lower limit and the higher limit of pressure meter 1 in the described controller 39, when the inlet pressure of admission line 1 is lower than the lower limit of pressure meter one 5 settings, controller 39 control start stop switches 40, thereby frequency converter 41 control Electrohydraulic push rods 22 are quit work, when the inlet pressure of the admission line 1 of sleeve pipe gas is higher than the higher limit that pressure meter 1 sets, described controller 39 control start stop switches 40, thereby frequency converter 41 control Electrohydraulic push rods 22 are worked on, and this equipment begins again to run well.
After temperature on the oil cylinder 21 raises, by temperature pick up 20 temperature value that collects is passed on the controller 39, when if temperature value is higher than the higher limit that is set in advance in the controller 39, cooling system is started working, oil cylinder 21 is cooled off, in the time of in temperature drops to control range, controller 39 control cooling systems 21 quit work.Can also directly observe the temperature value that temperature pick up 20 collects by temperature indicator 43.
This well casing gas recovery device can carry out the secondary compression.When the outlet line with compression pump 1 is connected with the inlet line of compression pump 2 27, just realized the secondary compression.What compression is the difference according to the inlet pressure of well site sleeve pipe gas and sleeve pipe gas discharge capacity, and adopts different connected modes.
This well casing gas recovery device can also be under the situation that number of compression stages is determined, according to well site sleeve pipe gas displacement size, by changing the running frequency of Electrohydraulic push rod 22, automatically regulate the jig frequency of compression pump 1 and compression pump 2 27, the efficient of raising equipment, saves energy reduces running cost.
The above; it only is preferred embodiment of the present utility model; be not that the utility model is imposed any restrictions; every according to the utility model technical spirit to any simple modification, change and equivalent structure transformation that above embodiment did, all still belong in the protection domain of technical solutions of the utility model.
Claims (9)
1. well casing gas recovery device, it is characterized in that: comprise compression pump one (14), compression pump two (27), admission line one (1), admission line two (15), outlet pipe one (37), outlet pipe two (32), and be the Electrohydraulic push rod (22) that compression pump one (14) and compression pump two (27) provide power, described compression pump two (27) and compression pump one (14) lay respectively at the left side and the right side of Electrohydraulic push rod (22), one end of described admission line one (1) is connected with the sleeve pipe atmospheric pressure cylinder of oil well casing, the other end of described admission line one (1) is connected with admission line two (15), and described admission line one (1) is provided with block valve one (9); One end of described outlet pipe one (37) is connected with outlet pipe two (32), the other end of described outlet pipe one (37) is connected with gathering line, described outlet pipe one (37) is provided with block valve two (36), described outlet pipe one (37) is gone up and is positioned between block valve two (36) and the outlet pipe two (32) and is provided with one way valve nine (35), and described outlet pipe one (37) is gone up and is positioned between one way valve nine (35) and the outlet pipe two (32) and is provided with flow meter (34); The upper and lower of one side of described compression pump one (14) is connected with admission line two (15) with pipeline two (16) by pipeline one (18) respectively, and described pipeline one (18) is provided with one way valve one (19), described pipeline two (16) is provided with one way valve two (17), the upper and lower of described compression pump one (14) opposite side is connected with outlet pipe two (32) with pipeline four (10) by pipeline three (12) respectively, and described pipeline three (12) is provided with one way valve three (13), and described pipeline four (10) is provided with one way valve four (11); The upper and lower of one side of described compression pump two (27) is connected with admission line two (15) with pipeline six (24) by pipeline five (26) respectively, and described pipeline five (26) is provided with one way valve five (25), described pipeline six (24) is provided with one way valve six (23), the upper and lower of the opposite side of described compression pump two (27) is connected with outlet pipe two (32) with pipeline eight (30) by pipeline seven (29) respectively, and described pipeline seven (29) is provided with one way valve seven (28), and described pipeline eight (30) is provided with one way valve eight (31).
2. well casing gas recovery device according to claim 1 is characterized in that: described admission line one (1) is provided with spark arrester (2).
3. well casing gas recovery device according to claim 2, it is characterized in that: be provided with block valve three (8) and block valve four (6) between described block valve one (9) and the spark arrester (2), be provided with strainer (7) between described block valve three (8) and the block valve four (6).
4. well casing gas recovery device according to claim 3 is characterized in that: be parallel with admission line three (3) between described block valve three (8) and the block valve four (6), described admission line three (3) is provided with block valve five (4).
5. well casing gas recovery device according to claim 3 is characterized in that: described admission line one (1) is gone up and is positioned between block valve one (9) and the block valve three (8) and is provided with pressure meter one (5).
6. well casing gas recovery device according to claim 1 is characterized in that: described outlet pipe one (37) is gone up and is positioned between flow meter (34) and the outlet pipe two (32) and is provided with pressure meter two (33).
7. well casing gas recovery device according to claim 5, it is characterized in that: also comprise control cabinet (38), described control cabinet (38) comprises controller (39), frequency converter (41) and start stop switch (40), described controller (39) joins with pressure meter one (5), described start stop switch (40) joins with controller (39), described frequency converter (41) joins with start stop switch (40), and described Electrohydraulic push rod (22) joins with frequency converter (41).
8. well casing gas recovery device according to claim 7, it is characterized in that: the oil cylinder (21) of described Electrohydraulic push rod (22) is provided with temperature pick up (20), described temperature pick up (20) joins with controller (39), and described controller (39) joins with cooling system (42).
9. well casing gas recovery device according to claim 8 is characterized in that: also comprise the temperature indicator (43) that joins with controller (39).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200260706U CN201991494U (en) | 2011-01-26 | 2011-01-26 | Oil well casing gas recycling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200260706U CN201991494U (en) | 2011-01-26 | 2011-01-26 | Oil well casing gas recycling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201991494U true CN201991494U (en) | 2011-09-28 |
Family
ID=44667984
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200260706U Expired - Lifetime CN201991494U (en) | 2011-01-26 | 2011-01-26 | Oil well casing gas recycling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201991494U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104405343A (en) * | 2014-11-17 | 2015-03-11 | 中国石油天然气股份有限公司 | Recovery device for cluster well group associated gas and recovery method thereof |
| CN111271026A (en) * | 2020-04-11 | 2020-06-12 | 重庆远方普兰德能源技术有限公司 | Multiphase compression system and method for achieving gas well drainage yield increase |
-
2011
- 2011-01-26 CN CN2011200260706U patent/CN201991494U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104405343A (en) * | 2014-11-17 | 2015-03-11 | 中国石油天然气股份有限公司 | Recovery device for cluster well group associated gas and recovery method thereof |
| CN111271026A (en) * | 2020-04-11 | 2020-06-12 | 重庆远方普兰德能源技术有限公司 | Multiphase compression system and method for achieving gas well drainage yield increase |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: BEIJING POLY-DOCTOR PETROLEUM TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: XIAN AO BENEFIT OF PETROLEUM TECHNOLOGY DEVELOPMENT CO., LTD. Effective date: 20130904 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 710018 XI'AN, SHAANXI PROVINCE TO: 102200 CHANGPING, BEIJING |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20130904 Address after: No. 2 North Building No. 10 Beijing 102200 Changping District science and Technology Park floating road 417-1 room Patentee after: Beijing Poly-Doctor Petroleum Technology Co., Ltd. Address before: Weiyang road 710018 in middle Shaanxi province Xi'an City No. 126 Saigao international 3 Building 2 unit 102 room Patentee before: Xian Ao benefit of Petroleum Technology Development Co., Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20110928 |
|
| CX01 | Expiry of patent term |