CN110469295A - A kind of gas well mouth throttling heating process units and method - Google Patents
A kind of gas well mouth throttling heating process units and method Download PDFInfo
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- CN110469295A CN110469295A CN201910721195.1A CN201910721195A CN110469295A CN 110469295 A CN110469295 A CN 110469295A CN 201910721195 A CN201910721195 A CN 201910721195A CN 110469295 A CN110469295 A CN 110469295A
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 53
- 238000000034 method Methods 0.000 title abstract description 23
- 238000004519 manufacturing process Methods 0.000 claims abstract description 38
- 230000005611 electricity Effects 0.000 claims abstract description 9
- 239000007789 gas Substances 0.000 claims description 62
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 34
- 239000003345 natural gas Substances 0.000 claims description 17
- 238000003860 storage Methods 0.000 claims description 9
- 238000010248 power generation Methods 0.000 claims description 6
- 238000005516 engineering process Methods 0.000 abstract description 16
- 238000010276 construction Methods 0.000 abstract description 10
- 230000001105 regulatory effect Effects 0.000 abstract description 3
- 230000015572 biosynthetic process Effects 0.000 abstract description 2
- NMJORVOYSJLJGU-UHFFFAOYSA-N methane clathrate Chemical compound C.C.C.C.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O NMJORVOYSJLJGU-UHFFFAOYSA-N 0.000 abstract description 2
- 238000003786 synthesis reaction Methods 0.000 abstract description 2
- 238000012423 maintenance Methods 0.000 description 8
- 230000007423 decrease Effects 0.000 description 5
- 238000011161 development Methods 0.000 description 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000011160 research Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 241000521257 Hydrops Species 0.000 description 1
- 206010030113 Oedema Diseases 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000010327 methods by industry Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000021715 photosynthesis, light harvesting Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B36/00—Heating, cooling or insulating arrangements for boreholes or wells, e.g. for use in permafrost zones
- E21B36/04—Heating, cooling or insulating arrangements for boreholes or wells, e.g. for use in permafrost zones using electrical heaters
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/12—Methods or apparatus for controlling the flow of the obtained fluid to or in wells
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D15/00—Adaptations of machines or engines for special use; Combinations of engines with devices driven thereby
- F01D15/10—Adaptations for driving, or combinations with, electric generators
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L53/00—Heating of pipes or pipe systems; Cooling of pipes or pipe systems
- F16L53/30—Heating of pipes or pipe systems
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The present invention provides a kind of gas well mouth throttling heating process units and method, including production flow line, heating device, impeller expanding machine, control valve and power-supply system, the production flow line outlet section is provided with heating device and control valve, impeller expanding machine is provided between heating device and control valve, the power-supply system expands mechatronics with heating device and impeller respectively.Impeller expanding machine can not only generate electricity in the present invention, but also play reducing pressure by regulating flow；Gas medium temperature in pipeline can be improved in heating device.The present invention can replace Downhole Choking Technology, reduce production cost, difficulty of construction and security risk, and gas well, which is throttled, to produce to adjust is transferred to the adjustable controllable state in ground by underground is uncontrollable, greatly shorten caused by production is adjusted and stop the well period.Simultaneously as well head heats, gas medium temperature in production official road can be improved, reduce gas hydrate synthesis probability, can be relieved single well pipeline winter frozen block problem.
Description
Technical field
The present invention relates to construction of natural gas fields field, particularly suitable single well productivity is low, needs low cost development gas field, in particular to
A kind of gas well mouth throttling heating process units and method.
Background technique
Soviet Union's Sulige gas field belongs to typical " hypotonic, low pressure, low yield, low abundance " gas field, and exploitation is put into since 2002
Since evaluation, the understanding in gas field is deepened constantly, it is understood that economical and effective exploitation in gas field " must depend on science and technology, innovation mechanism, letter
It melts and adopts, walk the road of low cost development ".During this period, drilling technique has been carried out using reducing cost as core with quick drill
Well, separate stratum fracfturing and downhole choke are the series of process engineering test of representative.Pass through downhole choke and multinomial ground gas collection skill
The coordinative experiments of art ultimately form well head and do not heat, do not infuse the uninsulated mesolow gas collection new approaches of alcohol, gas gathering line.Its
Middle Downhole Choking Technology technology is the key technology that ground flow simplifies.
After downhole choke technical application, gas gathering line pressure can be substantially reduced, alcohol pipeline is infused in cancellation, cancellation ground adds
Hot stove effectively prevent Hydrate Plugging, and construction and producing cost can all be greatly lowered, and in terms of preventing stratum
Have the effect of certain.The technology, which becomes, realizes that well head does not heat, do not infuse the uninsulated mesolow gas collection of alcohol, gas gathering line and newly think
The basis on road.From the point of view of test situation, Downhole Choking Technology achieves success, significant effect, and low pressure gas then uses natural pressure
The pressurization of contracting machine is outer defeated.From the point of view of energy utilization viewpoint analysis, this method is obviously unreasonable: the energy dissipation of PRESSURE GAS RESERVOIR is saving
It flows on valve, and drives natural gas compressor that need to consume additional energy.The technique exists such as from processing, production, maintenance etc.
Lower problem:
The first, the cumbersome, heavy workload of Downhole Choking Technology construction, overall cost are high；
The second, Downhole Choking Technology requires downhole tool high, and maintenance construction difficulty is big, at high cost, the period is long, has higher
Security risk, maintenance process influence gas well normally produce.
In recent years, natural gas line discharge pressure is higher and higher from the point of view of world wide.The pressure of gas distributing system is far high
Pressure needed for user, containing has a large amount of pressure energy.Currently, domestic existing pressure energy of natural gas recycles research；State
Pressure energy of natural gas is utilized outside and turns to more deep theoretical research from simple engineer application.
In conclusion long celebrating is combined to revive Sulige gas field status, propose it is a kind of utilize gas well self-energy, realize well head throttling
Production technology is heated, development cost is reduced, meets manufacturing technique requirent.
The content of invention
Existing downhole choke construction technology is cumbersome, heavy workload in order to overcome, and overall cost is high；Downhole Choking Technology is to underground work
Tool requires height, and maintenance construction difficulty is big, at high cost, the period is long, security risk with higher, and maintenance process is influencing gas well just
Often the problem of production.The present invention provides a kind of gas well mouth throttling heating process units and method, and the present invention is without downhole choke
Device meets the requirement of mesolow gas collection technique and solves the problems, such as single well pipeline winter frozen block, further decreases gas well exploitation and life
Operating cost is produced, shortens to adjust to produce and stops the well period, gas well throttling is made to be transferred to surface controllable state by underground is uncontrollable.
The technical solution adopted by the present invention are as follows:
A kind of gas well mouth throttling heating process units, including production flow line, heating device, impeller expanding machine, control valve and electricity
Source system, the production flow line outlet section are provided with heating device and control valve, are provided between heating device and control valve
Impeller expanding machine, the power-supply system expand mechatronics with heating device and impeller respectively.
The heating device and impeller expanding machine passes through power lead and is electrically connected with power-supply system.
The heating device is electric heater.
The impeller expanding machine downstream is equipped with urgent block valve.
The impeller expanding machine is by the high-pressure natural gas of production flow line output driving power generation and by power storage to electricity
In the system of source.
The control valve is flow control valve.
A kind of gas well mouth throttling heating production method, specific steps are as follows:
Impeller expanding machine and heating device are connect by power lead with power-supply system first, impeller expanding machine utilizes production pipe
The high-pressure natural gas driving of line output generates electricity and by power storage to power-supply system, and heating device is using the electric energy stored in leaf
The natural gas in production flow line is heated before wheel expanding machine.
The impeller expanding machine downstream is equipped with urgent block valve, when pressure is more than downstream line preset pressure, automatically
Turn off pipeline.
The invention has the benefit that
For impeller expanding machine using high-pressure natural gas driving power generation and by power storage to power-supply system, heating device is sharp in the present invention
It is heated before impeller expanding machine with the part electric energy.Impeller expanding machine can not only generate electricity, but also play reducing pressure by regulating flow；Heating
Gas medium temperature in pipeline can be improved in device.
Meanwhile it being equipped with urgent block valve in impeller expanding machine downstream, when pressure is more than downstream line design pressure, automatically
Pipeline is turned off, overpressure protection is played the role of.
The present invention meets the requirement of mesolow gas collection technique and solves single well pipeline winter frozen block and ask without downhole choke device
Topic further decreases gas well exploitation and production run cost, shortens to adjust to produce and stops the well period, makes gas well throttling by uncontrollable turn of underground
Move to surface controllable state.
It is further detailed below with reference to attached drawing.
Detailed description of the invention
Fig. 1 is gas well mouth throttling heating production technology figure.
In figure, appended drawing reference are as follows: 1, heating device；2, impeller expanding machine；3, flow control valve；4 conducting wires；5, power supply system
System；6, production flow line.
Specific embodiment
Embodiment 1:
Existing downhole choke construction technology is cumbersome, heavy workload in order to overcome, and overall cost is high；Downhole Choking Technology is to underground work
Tool requires height, and maintenance construction difficulty is big, at high cost, the period is long, security risk with higher, and maintenance process is influencing gas well just
Often the problem of production.The present invention provides as shown in Figure 1 a kind of gas well mouth throttling heating process units and method, the present invention without
Palpus downhole choke device, meets the requirement of mesolow gas collection technique and solves the problems, such as single well pipeline winter frozen block, further decrease gas
Well development and production run cost shorten to adjust to produce and stop the well period, gas well throttling is made to be transferred to surface controllable shape by underground is uncontrollable
State.
A kind of gas well mouth throttling heating process units, including production flow line 6, heating device 1, impeller expanding machine 2, control
Valve 3 and power-supply system 5,6 outlet section of production flow line are provided with heating device 1 and control valve 3, heating device 1 and control
Impeller expanding machine 2 is provided between valve 3, the power-supply system 5 is electrically connected with heating device 1 and impeller expanding machine 2 respectively.
As shown in Figure 1, impeller expanding machine 2 and heating device 1 connect its course of work with power-supply system 5 are as follows: impeller expansion
Machine 3 is using high-pressure natural gas driving power generation and by power storage to power-supply system 5, and heating device 1 is using the part electric energy in leaf
It is heated before wheel expanding machine 2.Impeller expanding machine 2 can not only generate electricity, but also play reducing pressure by regulating flow；Pipe can be improved in heating device 1
Gas medium temperature in line.
The present invention realizes the well head process system of gas well throttling and heating function using gas well self-energy, saves without underground
Flow device, meet the requirement of mesolow gas collection technique and solve the problems, such as single well pipeline winter frozen block, further decrease gas well exploitation and
Production run cost shortens to adjust to produce and stops the well period, gas well throttling is made to be transferred to surface controllable state by underground is uncontrollable.
The present invention meets the requirement of mesolow gas collection technique and solves single well pipeline winter frozen block and ask without downhole choke device
Topic further decreases gas well exploitation and production run cost, shortens to adjust to produce and stops the well period, makes gas well throttling by uncontrollable turn of underground
Move to surface controllable state.
Embodiment 2:
On the basis of embodiment 1, in the present embodiment, the heating device 1 and impeller expanding machine 2 pass through power lead
4 are electrically connected with power-supply system 5.
The heating device 1 is electric heater.
2 downstream of impeller expanding machine is equipped with urgent block valve.
The impeller expanding machine 2 by the high-pressure natural gas of 6 output of production flow line driving power generation and by power storage extremely
In power-supply system 5.
The control valve 3 is flow control valve.
A kind of gas well mouth throttling heating production method, specific steps are as follows:
Impeller expanding machine 2 and heating device 1 are connect by power lead 4 with power-supply system 5 first, impeller expanding machine 2 utilizes
The high-pressure natural gas driving of 6 output of production flow line generates electricity and by power storage to power-supply system 5, and heating device 1 is utilized and stored
Electric energy the natural gas in production flow line 6 is heated before impeller expanding machine 2.
2 downstream of impeller expanding machine is equipped with urgent block valve, when pressure is more than downstream line preset pressure, automatically
Turn off pipeline.
In the present invention, impeller expanding machine 2 is using high-pressure natural gas driving power generation and by power storage to power-supply system 5, companion
Thermal 1 is heated before impeller expanding machine 2 using the part electric energy.Impeller expanding machine 2 can not only generate electricity, but also play throttling drop
Pressure effect；Gas medium temperature in pipeline can be improved in heating device 1.Meanwhile urgent truncation is equipped in 2 downstream of impeller expanding machine
Valve automatically shuts down pipeline, plays the role of overpressure protection when pressure is more than downstream line design pressure.
The present invention is suitble to the operating condition of ultra-low penetration gas field stripper well.It, will not be unrestrained due to high yield for gas well liquid loading initial stage
Take stratum energy, and there is higher fluid-carrying capability；The later period is produced, stripper well is allowed continuous production, high yield gas is proposed, produces liquid
Amount reduces patrol number and maintenance cost, can more exclude shaft bottom hydrops, extends the gas well liquid loading time.The present invention can generation
For Downhole Choking Technology, production cost, difficulty of construction and security risk are reduced, gas well, which is throttled, to produce is adjusted by underground not
It controllably is transferred to the adjustable controllable state in ground, greatly shortens caused by production is adjusted and stops the well period.Simultaneously as well head heats,
Gas medium temperature in production official road can be improved, reduce gas hydrate synthesis probability, can be relieved single well pipeline winter frozen block problem.
The foregoing examples are only illustrative of the present invention, does not constitute the limitation to protection scope of the present invention, all
It is within being all belonged to the scope of protection of the present invention with the same or similar design of the present invention.The dress that the present embodiment does not describe in detail
It sets structure and method and step is the well-known technique and common method of the industry, no longer describe one by one here.
Claims (8)
1. a kind of gas well mouth throttling heating process units, it is characterised in that: including production flow line (6), heating device (1), leaf
Take turns expanding machine (2), control valve (3) and power-supply system (5), the production flow line (6) outlet section be provided with heating device (1) and
Control valve (3) is provided with impeller expanding machine (2) between heating device (1) and control valve (3), and the power-supply system (5) is respectively
It is electrically connected with heating device (1) and impeller expanding machine (2).
2. a kind of gas well mouth throttling heating process units according to claim 1, it is characterised in that: the heat tracing dress
(1) and impeller expanding machine (2) is set to be electrically connected by power lead (4) with power-supply system (5).
3. a kind of gas well mouth throttling heating process units according to claim 1, it is characterised in that: the heat tracing dress
Setting (1) is electric heater.
4. a kind of gas well mouth throttling heating process units according to claim 1, it is characterised in that: the impeller is swollen
Swollen machine (2) downstream is equipped with urgent block valve.
5. a kind of gas well mouth throttling heating process units according to claim 1, it is characterised in that: the impeller is swollen
Swollen machine (2) is generated electricity by the high-pressure natural gas driving of production flow line (6) output and will be in power storage to power-supply system (5).
6. a kind of gas well mouth throttling heating process units according to claim 1, it is characterised in that: the control valve
It (3) is flow control valve.
7. the throttling of any one gas well mouth described in -6 heating production method according to claim 1, it is characterised in that: specific step
Suddenly are as follows:
Impeller expanding machine (2) and heating device (1) are connect by power lead (4) with power-supply system (5) first, impeller expansion
Using the high-pressure natural gas driving power generation of production flow line (6) output and by power storage to power-supply system (5), heat tracing fills machine (2)
It sets (1) and the natural gas in production flow line (6) is heated before impeller expanding machine (2) using the electric energy stored.
8. a kind of gas well mouth throttling heating production method according to claim 6, it is characterised in that: the impeller is swollen
Swollen machine (2) downstream is equipped with urgent block valve, when pressure is more than downstream line preset pressure, automatically shuts down pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910721195.1A CN110469295A (en) | 2019-08-06 | 2019-08-06 | A kind of gas well mouth throttling heating process units and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910721195.1A CN110469295A (en) | 2019-08-06 | 2019-08-06 | A kind of gas well mouth throttling heating process units and method |
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| Publication Number | Publication Date |
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| CN110469295A true CN110469295A (en) | 2019-11-19 |
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| CN201910721195.1A Pending CN110469295A (en) | 2019-08-06 | 2019-08-06 | A kind of gas well mouth throttling heating process units and method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112554972A (en) * | 2020-11-25 | 2021-03-26 | 中国石油天然气股份有限公司 | Throttling heating system and method for high-pressure gas gathering station of natural gas well |
| CN114109314A (en) * | 2021-11-25 | 2022-03-01 | 西南石油大学 | Device for monitoring, preventing and treating hydrate in throttle well |
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| CN103775026A (en) * | 2014-01-16 | 2014-05-07 | 中国石油化工股份有限公司 | Self-generating electric heat tracing device for natural gas well |
| CN104632128A (en) * | 2014-12-31 | 2015-05-20 | 西南石油大学 | Anti-freezing and anti-blocking system for condensate gas field high pressure gas exploitation pipelines |
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| CN207004483U (en) * | 2017-07-24 | 2018-02-13 | 廊坊市依恩拓节能设备有限公司 | A kind of more hole top heaters in oil field |
| CN207934939U (en) * | 2018-03-12 | 2018-10-02 | 新能能源有限公司 | A kind of impeller expansion power generation device |
| CN109347145A (en) * | 2018-11-22 | 2019-02-15 | 重庆科技学院 | A kind of natural gas wellhead pressure energy electricity generation system and variable speed constant frequency generator control method |
-
2019
- 2019-08-06 CN CN201910721195.1A patent/CN110469295A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103216278A (en) * | 2012-01-21 | 2013-07-24 | 林牧 | Wellhead natural gas pressure energy power generation system and control method |
| CN103775026A (en) * | 2014-01-16 | 2014-05-07 | 中国石油化工股份有限公司 | Self-generating electric heat tracing device for natural gas well |
| CN105370248A (en) * | 2014-08-30 | 2016-03-02 | 中石化重庆涪陵页岩气勘探开发有限公司 | Shale gas well gas testing and production device and flow |
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| CN207004483U (en) * | 2017-07-24 | 2018-02-13 | 廊坊市依恩拓节能设备有限公司 | A kind of more hole top heaters in oil field |
| CN207934939U (en) * | 2018-03-12 | 2018-10-02 | 新能能源有限公司 | A kind of impeller expansion power generation device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112554972A (en) * | 2020-11-25 | 2021-03-26 | 中国石油天然气股份有限公司 | Throttling heating system and method for high-pressure gas gathering station of natural gas well |
| CN114109314A (en) * | 2021-11-25 | 2022-03-01 | 西南石油大学 | Device for monitoring, preventing and treating hydrate in throttle well |
| CN114109314B (en) * | 2021-11-25 | 2022-06-17 | 西南石油大学 | Device for monitoring, preventing and treating hydrate in throttle well |
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Application publication date: 20191119 |
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