CN203441453U - Small-sized automatic oil-well casing gas pressurization conveying skid - Google Patents
Small-sized automatic oil-well casing gas pressurization conveying skid Download PDFInfo
- Publication number
- CN203441453U CN203441453U CN201320549135.4U CN201320549135U CN203441453U CN 203441453 U CN203441453 U CN 203441453U CN 201320549135 U CN201320549135 U CN 201320549135U CN 203441453 U CN203441453 U CN 203441453U
- Authority
- CN
- China
- Prior art keywords
- pipeline
- casing gas
- gas
- pressure transmitter
- flexible pipe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Abstract
The utility model relates to a small-sized automatic oil-well casing gas pressurization conveying skid. The small-sized automatic oil-well casing gas pressurization conveying skid is composed of a casing gas pressurization system and a control system; the casing gas pressurization system is composed of a first hosepipe, a first pipeline, a second pipeline, a third pipeline, a fourth pipeline, a first electric valve, a fifth pipeline, a sixth pipeline, a second hosepipe, a seventh pipeline, a check valve, an eighth pipeline, a gas flowmeter, a ninth pipeline, a tenth pipeline, a screw compressor, an eleventh pipeline, a second electric valve and a third hosepipe; the control system is composed of a first pressure transmitter, a second pressure transmitter, the first electric valve, a frequency converter, the second electric valve, the gas flowmeter and a controller. According to a pressure value sensed by the first pressure transmitter, a pressure value sensed by the second pressure transmitter and a gas flow value sensed by the gas flowmeter, the controller can achieve non-pressurized conveying, variable-throughput pressurized conveying and conveying stopping of casing gas. The small-sized automatic oil-well casing gas pressurization conveying skid achieves unattended operation, automatic control, and low equipment and operation cost, is arranged in a skid-mounted mode, and is convenient to convey.
Description
Technical field
The utility model relates to a kind of small automatic well casing gas supercharging and carries sled, for the low-tension bushing gas supercharging of oil extraction process is entered to crude oil gathering pipelines, belongs to technical field of petroleum extraction.
Technical background
There is lower, the narrow-minded oil well of many formation pressures in oil field at present, and its casing gas often cannot directly enter gathering line, and oil field adopts a direct sky or closing well method to process conventionally.Although directly purge process can reduce flowing bottomhole pressure (FBHP), improve oil well output, there is energy waste and environment pollution; Although closing well method can be avoided environment pollution, can cause bottom pressure to increase, reduce oil well output.
In order to improve oil well output, avoid casing gas to cause energy waste and environment pollution, the current domestic development and application casing gas recovering device that started, and declared corresponding patent, but from scene, use and declared the casing gas recovering device of patent, exist systemic-function imperfection, automaticity not high, structure relative complex, the problem such as manufacturing cost is high, volume is heavy.For these problems, study new well casing gas supercharging conveying device very necessary.
Summary of the invention
The purpose of this utility model is in order to overcome prior art deficiency, provides a kind of small automatic well casing gas supercharging to carry sled, can effectively reduce casing pressure and flowing bottomhole pressure (FBHP), improves oil well output, and casing gas supercharging can be entered to crude oil gathering pipelines.
The technical solution adopted in the utility model is:
Sled is carried in the supercharging of a kind of small automatic well casing gas of the utility model, by casing gas pressurization system and composition of the control system.Casing gas pressurization system realizes casing gas supercharging is entered to gathering line, and control system realizes the automatic control to casing gas pressurization system.
Described casing gas pressurization system is connected by the fuel-displaced valve of the first flexible pipe and production tree, and is connected with crude oil gathering pipelines by the second flexible pipe, and is connected with Christmas tree casing valve by the 3rd flexible pipe; Described casing gas pressurization system is comprised of the first flexible pipe, the first pipeline, the second pipeline, the 3rd pipeline, the 4th pipeline, the first motor operated valve, the 5th pipeline, the 6th pipeline, the second flexible pipe, the 7th pipeline, ball-and-seat, the 8th pipeline, gas flowmeter, the 9th pipeline, the tenth pipeline, helical-lobe compressor, the 11 pipeline, the second motor operated valve, the 3rd flexible pipe, and described the first flexible pipe, the second pipeline, the 5th pipeline, the second flexible pipe connect and compose extraction fluid feed line successively; The 3rd flexible pipe, the first pipeline, the 3rd pipeline, the second motor operated valve, the 11 pipeline, helical-lobe compressor, the tenth pipeline, the 6th pipeline, gas flowmeter, the 8th pipeline, ball-and-seat, the 7th pipeline connect and compose casing gas supercharging pipeline successively, casing gas supercharging can be entered to extraction fluid feed line; The 3rd flexible pipe, the first pipeline, the 4th pipeline, the first motor operated valve, the 9th pipeline, the 6th pipeline, gas flowmeter, the 8th pipeline, ball-and-seat, the 7th pipeline connect and compose the straight-through pipeline of casing gas successively, can make not supercharging of casing gas directly enter extraction fluid feed line.Described control system is comprised of the first pressure transmitter, the second pressure transmitter, the first motor operated valve, frequency converter, the second motor operated valve, gas flowmeter, controller.Described the first pressure transmitter sensing Christmas tree casing gas outlet pressure, the second pressure transmitter sensing production tree extraction fluid issuing pressure, gas flowmeter sensing Christmas tree casing throughput.Opening or closing of first pressure transmitter of described controller by receiving, second pressure transmitter signal controlling the first motor operated valve, the second motor operated valve, and by the gas flowmeter signal controlling frequency converter receiving, change helical-lobe compressor capacity.
The described controller foundation force value of the first pressure transmitter sensing is, the gas flow value of the force value of the second pressure transmitter sensing and gas flowmeter sensing can be realized not supercharging of casing gas conveying, change throughput rate supercharging conveying and stopping transportation.
Major advantage of the present utility model:
1, by entering gathering line after low-tension bushing gas suction compressor boost, be delivered to multi-purpose station, can reduce to greatest extent bottom pressure, improve oil well output; 2, reclaim low pressure oil well associated gas, avoid environment pollution; 3, apparatus control system can make device supercharging displacement and sleeve pipe gas production coordinate mutually, has realized energy-saving pressurized; 4, apparatus control system can make device automatically carry out not supercharging of casing gas and carry, becomes throughput rate supercharging conveying or stopping transportation.5, reduce gathering line transporting resistance; 6, realizing unmanned controls automatically; 7, equipment and running cost are low; Skid, is convenient to transportation, installation, automaticity is high, simple in structure, reliability is high, low cost of manufacture, advantage easy for installation.
Accompanying drawing explanation
Below in conjunction with implementing accompanying drawing, the utility model is described in further detail:
Fig. 1 is the schematic diagram that sled is carried in the supercharging of a kind of small automatic well casing gas of the utility model.
In figure: 1. the first flexible pipe, 2. the first pressure transmitter, 3. the first pipeline, 4. the second pipeline, 5. the 3rd pipeline, 6. the 4th pipeline, 7. the second pressure transmitter, 8. the first motor operated valve, 9. the 5th pipeline, 10. the 6th pipeline, 11. second flexible pipes, 12. the 7th pipelines, 13. ball-and-seats, 14. the 8th pipelines, 15. gas flowmeters, 16. the 9th pipelines, 17. the tenth pipelines, 18. frequency converters, 19. helical-lobe compressors, 20. the 11 pipelines, 21. second motor operated valves, 22. controllers, 23. the 3rd flexible pipes, 24. production trees
The specific embodiment
Below in conjunction with accompanying drawing, the present invention is described in further detail.
As shown in Figure 1, sled is carried in the supercharging of a kind of small automatic well casing gas of the utility model, by casing gas pressurization system and composition of the control system, casing gas pressurization system realizes casing gas supercharging is entered to gathering line, and control system realizes the automatic control to casing gas pressurization system.
Described casing gas pressurization system is connected with the fuel-displaced valve of production tree 24 by the first flexible pipe 1, and is connected with crude oil gathering pipelines by the second flexible pipe 11, and is connected with production tree 24 sleeve valves by the 3rd flexible pipe 23; Described casing gas pressurization system is comprised of the first flexible pipe 1, the first pipeline 3, the second pipeline 4, the 3rd pipeline 5, the 4th pipeline 6, the first motor operated valve 8, the 5th pipeline 9, the 6th pipeline 10, the second flexible pipe 11, the 7th pipeline 12, ball-and-seat 13, the 8th pipeline 14, gas flowmeter 15, the 9th pipeline 16, the tenth pipeline 17, helical-lobe compressor the 19, the 11 pipeline 20, the second motor operated valve 21, the 3rd flexible pipe 23; Described the first flexible pipe 1, the second pipeline 4, the 5th pipeline 9, the second flexible pipe 11 connect and compose extraction fluid feed line successively; The 3rd flexible pipe 23, the first pipeline 3, the 3rd pipeline 5, the second motor operated valve the 21, the 11 pipeline 20, helical-lobe compressor 19, the tenth pipeline 17, the 6th pipeline 10, gas flowmeter 15, the 8th pipeline 14, ball-and-seat 13, the 7th pipeline 12 connect and compose casing gas supercharging pipeline successively, casing gas supercharging can be entered to extraction fluid feed line; The 3rd flexible pipe 23, the first pipeline 3, the 4th pipeline 6, the first motor operated valve 8, the 9th pipeline 16, the 6th pipeline 10, gas flowmeter 15, the 8th pipeline 14, ball-and-seat 13, the 7th pipeline 12 connect and compose the straight-through pipeline of casing gas successively, can make not supercharging of casing gas directly enter extraction fluid feed line; Described control system is comprised of the first pressure transmitter 2, the second pressure transmitter 7, the first motor operated valve 8, frequency converter 18, the second motor operated valve 21, gas flowmeter 15, controller 22; Described the first pressure transmitter 2 sensing production tree 24 casing gas outlet pressures, the second pressure transmitter 7 sensing production tree 24 extraction fluid issuing pressure, gas flowmeter 15 sensing production tree 24 casing gas flows; Opening or closing of first pressure transmitter 2 of described controller 22 by receiving, second pressure transmitter 7 signal controlling the first motor operated valves 8, the second motor operated valve 21, and by the gas flowmeter 15 signal controlling frequency converters 18 that receive, change helical-lobe compressor 19 capacities.
The described controller 22 foundation force value of the first pressure transmitter 2 sensings are, the gas flow value of the force value of the second pressure transmitter 7 sensings and gas flowmeter 15 sensings can be realized not supercharging of casing gas conveying, change throughput rate supercharging conveying and stopping transportation.
It is as follows that it controls embodiment:
1) not supercharging of casing gas is carried: system works Time Controller 22 is by the first pressure transmitter 2 constantly relatively receiving and the force value of the second pressure transmitter 7 sensings, when the force value of the first pressure transmitter 2 sensings is greater than the force value of the second pressure transmitter 7 sensings, controller 22 by control the first motor operated valve 8 open, the second motor operated valve 21 cuts out, casing gas leads directly to the straight-through extraction fluid feed line that enters of pipeline by casing gas.
2) becoming throughput rate supercharging carries: system works Time Controller 22 is by the first pressure transmitter 2 constantly relatively receiving and the force value of the second pressure transmitter 7 sensings, when the force value of the first pressure transmitter 2 sensings is less than or equal to the force value of the second pressure transmitter 7 sensings, controller 22 cuts out control the first motor operated valve 8, the second motor operated valve 21 is opened, and casing gas enters extraction fluid feed line by the supercharging of casing gas supercharging pipeline; Simultaneously, controller 22 is according to the gas flow value of gas flowmeter 15 sensings that receive, control frequency converter 18 and change helical-lobe compressor 19 capacities, helical-lobe compressor 19 discharge capacities and production tree 24 sleeve pipe gas production are coordinated mutually, the object of carrying to reach energy-saving pressurized.
3) stopping transportation: system works Time Controller 22 is by the force value of the first pressure transmitter 2 sensings that constantly relatively receive, when the force value of the first pressure transmitter 2 sensings sets value lower than stopping transportation, controller 22 cuts out control the first motor operated valve 8, the second motor operated valve 21, stops delivery cannula.
Claims (2)
1. sled is carried in a small automatic well casing gas supercharging, by casing gas pressurization system and composition of the control system, it is characterized in that: described casing gas pressurization system is connected with the fuel-displaced valve of production tree (24) by the first flexible pipe (1), and be connected with crude oil gathering pipelines by the second flexible pipe (11), and be connected with production tree (24) sleeve valve by the 3rd flexible pipe (23), described casing gas pressurization system is by the first flexible pipe (1), the first pipeline (3), the second pipeline (4), the 3rd pipeline (5), the 4th pipeline (6), the first motor operated valve (8), the 5th pipeline (9), the 6th pipeline (10), the second flexible pipe (11), the 7th pipeline (12), ball-and-seat (13), the 8th pipeline (14), gas flowmeter (15), the 9th pipeline (16), the tenth pipeline (17), helical-lobe compressor (19), the 11 pipeline (20), the second motor operated valve (21), the 3rd flexible pipe (23) forms, described the first flexible pipe (1), the second pipeline (4), the 5th pipeline (9), the second flexible pipe (11) connect and compose extraction fluid feed line successively, the 3rd flexible pipe (23), the first pipeline (3), the 3rd pipeline (5), the second motor operated valve (21), the 11 pipeline (20), helical-lobe compressor (19), the tenth pipeline (17), the 6th pipeline (10), gas flowmeter (15), the 8th pipeline (14), ball-and-seat (13), the 7th pipeline (12) connect and compose casing gas supercharging pipeline successively, casing gas supercharging can be entered to extraction fluid feed line, the 3rd flexible pipe (23), the first pipeline (3), the 4th pipeline (6), the first motor operated valve (8), the 9th pipeline (16), the 6th pipeline (10), gas flowmeter (15), the 8th pipeline (14), ball-and-seat (13), the 7th pipeline (12) connect and compose the straight-through pipeline of casing gas successively, can make not supercharging of casing gas directly enter extraction fluid feed line, described control system is comprised of the first pressure transmitter (2), the second pressure transmitter (7), the first motor operated valve (8), frequency converter (18), the second motor operated valve (21), gas flowmeter (15), controller (22), described the first pressure transmitter (2) sensing production tree (24) casing gas outlet pressure, the second pressure transmitter (7) sensing production tree (24) extraction fluid issuing pressure, gas flowmeter (15) sensing production tree (24) casing gas flow, opening or closing of first pressure transmitter (2) of described controller (22) by receiving, the second pressure transmitter (7) signal controlling the first motor operated valve (8), the second motor operated valve (21), and by gas flowmeter (15) the signal controlling frequency converter (18) receiving, change helical-lobe compressor (19) capacity.
2. according to a kind of small automatic well casing gas supercharging described in right 1, carry sled, it is characterized in that: described controller (22), according to force value, the force value of the second pressure transmitter (7) sensing and the gas flow value of gas flowmeter (15) sensing of the first pressure transmitter (2) sensing, can be realized not supercharging of casing gas and carry, becomes throughput rate supercharging conveying and stopping transportation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320549135.4U CN203441453U (en) | 2013-09-05 | 2013-09-05 | Small-sized automatic oil-well casing gas pressurization conveying skid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320549135.4U CN203441453U (en) | 2013-09-05 | 2013-09-05 | Small-sized automatic oil-well casing gas pressurization conveying skid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203441453U true CN203441453U (en) | 2014-02-19 |
Family
ID=50092513
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320549135.4U Expired - Fee Related CN203441453U (en) | 2013-09-05 | 2013-09-05 | Small-sized automatic oil-well casing gas pressurization conveying skid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203441453U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106761622A (en) * | 2017-03-23 | 2017-05-31 | 西安长庆科技工程有限责任公司 | A kind of air foam flooding shaft oil production field device and its technique |
| CN110541685A (en) * | 2019-10-16 | 2019-12-06 | 李建波 | Numerical control oil well casing pressure control device |
-
2013
- 2013-09-05 CN CN201320549135.4U patent/CN203441453U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106761622A (en) * | 2017-03-23 | 2017-05-31 | 西安长庆科技工程有限责任公司 | A kind of air foam flooding shaft oil production field device and its technique |
| CN106761622B (en) * | 2017-03-23 | 2023-03-10 | 西安长庆科技工程有限责任公司 | Air foam flooding oil production well site device and process thereof |
| CN110541685A (en) * | 2019-10-16 | 2019-12-06 | 李建波 | Numerical control oil well casing pressure control device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203441453U (en) | Small-sized automatic oil-well casing gas pressurization conveying skid | |
| CN203145906U (en) | Prying-assembling carbon dioxide gas injection device | |
| CN202561438U (en) | Gas pipeline system for natural gas pressure regulation device | |
| CN202598131U (en) | Oil-gas mixing transportation device of crude oil and oil field gas in oil field | |
| CN203671240U (en) | Liquefied petroleum gas tank emptying device | |
| CN201844198U (en) | PCP (pump control pump) long-distance pipeline oil transfer high-efficiency energy-saving pressure stabilizing and flow adjusting system | |
| CN203463092U (en) | Novel manifold truck/pry with self-pressurization perfusion function for industrial large-scale fracturing | |
| CN202338775U (en) | Online blow-down apparatus for high-pressure natural gas pipeline | |
| CN204664875U (en) | A kind of for oil well integration testing oil delivering device | |
| CN204646189U (en) | A kind of high-pressure spray formula associated gas reclaimer | |
| CN203640702U (en) | Numerical control supercharging device for water injection well through internet of things | |
| CN203517321U (en) | Integrated digital crude oil export metering device of oil field united station | |
| CN111927430A (en) | Oil well oil gas gathering, transportation, extraction, measurement and pressurization device | |
| CN201671606U (en) | Secondary pressurizing gas production device by aid of jet apparatus and compressor | |
| CN203498909U (en) | Water supplying system with water-pressure balance adjuster | |
| CN205155542U (en) | Modified torch gas divides fluid reservoir to press liquid system | |
| CN203348913U (en) | Liquid ammonia loading and unloading system | |
| CN205422673U (en) | Three -phase separator's air feed voltage regulator device | |
| CN213269993U (en) | Be applied to gas storage reservoir and annotate integration skid-mounted device of adopting well site | |
| CN205370542U (en) | Double, two closed -loop type fracturing blender truck of double suction | |
| CN201620865U (en) | Oil-gas separation buffer tank capable of controlling gas output | |
| CN203363667U (en) | Tank car ammonia unloading device of ammonia plant | |
| CN210105821U (en) | Wellhead device for intermittent gas lift liquid drainage and gas production assisted by plunger | |
| CN206943061U (en) | The regulation and control system of compound compressor | |
| CN201802364U (en) | Adjustable natural gas jet and drainage device |
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 |
Granted publication date: 20140219 Termination date: 20140905 |
|
| EXPY | Termination of patent right or utility model |