CN110030491A - A kind of production wellhead associated gas linkage type plunger booster recyclable device and method - Google Patents
A kind of production wellhead associated gas linkage type plunger booster recyclable device and method Download PDFInfo
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- CN110030491A CN110030491A CN201910352390.1A CN201910352390A CN110030491A CN 110030491 A CN110030491 A CN 110030491A CN 201910352390 A CN201910352390 A CN 201910352390A CN 110030491 A CN110030491 A CN 110030491A
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 58
- 238000000034 method Methods 0.000 title claims abstract description 11
- 238000005086 pumping Methods 0.000 claims abstract description 23
- 230000001050 lubricating effect Effects 0.000 claims abstract description 18
- 239000003921 oil Substances 0.000 claims description 56
- 239000010687 lubricating oil Substances 0.000 claims description 36
- 239000000945 filler Substances 0.000 claims description 20
- 239000003208 petroleum Substances 0.000 claims description 18
- 238000010438 heat treatment Methods 0.000 claims description 15
- 239000000700 radioactive tracer Substances 0.000 claims description 14
- 238000007789 sealing Methods 0.000 claims description 14
- 238000012856 packing Methods 0.000 claims description 13
- 238000011084 recovery Methods 0.000 claims description 13
- 239000000203 mixture Substances 0.000 claims description 12
- 239000004519 grease Substances 0.000 claims description 9
- 238000005192 partition Methods 0.000 claims description 9
- 238000004064 recycling Methods 0.000 claims description 9
- 238000003825 pressing Methods 0.000 claims description 8
- 238000003860 storage Methods 0.000 claims description 7
- 230000032258 transport Effects 0.000 claims description 6
- 238000009530 blood pressure measurement Methods 0.000 claims description 5
- 238000005259 measurement Methods 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 230000003139 buffering effect Effects 0.000 claims description 3
- 230000008676 import Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 3
- 239000007789 gas Substances 0.000 description 198
- 238000005461 lubrication Methods 0.000 description 6
- 230000035699 permeability Effects 0.000 description 5
- 238000013461 design Methods 0.000 description 4
- 239000000872 buffer Substances 0.000 description 3
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 239000003129 oil well Substances 0.000 description 2
- 241001672694 Citrus reticulata Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/02—Lubrication
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/12—Casings; Cylinders; Cylinder heads; Fluid connections
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/14—Provisions for readily assembling or disassembling
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D1/00—Pipe-line systems
- F17D1/02—Pipe-line systems for gases or vapours
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D1/00—Pipe-line systems
- F17D1/02—Pipe-line systems for gases or vapours
- F17D1/065—Arrangements for producing propulsion of gases or vapours
- F17D1/07—Arrangements for producing propulsion of gases or vapours by compression
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D3/00—Arrangements for supervising or controlling working operations
- F17D3/01—Arrangements for supervising or controlling working operations for controlling, signalling, or supervising the conveyance of a product
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Compressor (AREA)
Abstract
The present invention provides a kind of production wellhead associated gas linkage type plunger booster recyclable device and method, including pumping unit, attachment base, casing gas booster pump, filter, admission line, production wellhead, outlet line, production tree, blowdown system, torch burning system, four-way, control pressurer system, flow control system and lubricating system；The pumping unit is connect with casing gas booster pump by attachment base, and casing gas booster pump is connected to the filter, and filter is connect with the production tree being located in production wellhead, and outlet line is connect with casing gas booster pump gas outlet；The production tree gas outlet is connect with control pressurer system, blowdown system and torch burning system respectively, is provided with flow control system between the control pressurer system and filter；The present invention adjusts separately pressure, flow and the temperature of associated gas using associated gas control pressurer system, flow control system, temperature control system, and lubricating system increases the service life of casing gas booster pump.
Description
Technical field
The present invention relates to a kind of oil and gas industry boosting recovery device, in particular to a kind of production wellhead associated gas
Linkage type plunger booster recyclable device and method.
Background technique
During oil extraction, oil country tubular good oil distributing pipe and casing two parts, oil pipe are that fluid rises act after pump workmanship
To the runner on ground, and casing is the runner of oil pipe outer layer, and casing can amplify the gas that stratum is separated to ground.?
During this, petroleum flows into shaft bottom under the driving of strata pressure, flows up again along pit shaft under bottom pressure effect, with
Flowing pressure gradually reduces, and is dissolved in the natural gas in petroleum lower than association under saturation pressure, separates, sleeve pipe
Annular space between oil pipe, here it is casing gas to be also associated gas.
Associated gas stock number is abundant, has very high recycling value, but the degree of enrichment of associated gas is not very low, true
Qualitative big, successively decrease relatively fast, Summer and winter and new old area the biggish lack of uniformity of yield and demand presentation, carries out low cost and returns
It receives and efficiently larger using difficulty.Especially low permeability oil field, low permeability oil field well yield is low, and construction investment is high, it is necessary to
Low cost development just can guarantee the benefit of its exploitation, and the investment of ground engineering construction must be effectively controlled in economic limit.Cause
This studies from the demand for reducing cost and develops associated gas time that be suitable for low permeability oil field feature, economic and environment-friendly
The technology received and comprehensively utilized, and effective Integration ofTechnology is carried out, to realize that the comprehensive utilization of low permeability oil field associated gas, energy conservation subtract
Row.
Low permeability oil field well casing gas recycling at this stage mainly uses constant pressure valve recovery process, and program investment is less,
Equipment is simple, but the technology is influenced by the normal work and efficiency of low-permeability oil well deep well oil pumping, often requires that low casing pressure fortune
Row, casing gas emptying amount is larger when also resulting in the casing gas recycling difficulty, especially winter operation of high back pressure well group, and waste is precious
Your resource also generates destruction to environment.Therefore, it is guarantee from the effective recovery of casing gas in source, needs developmental research one kind that can incite somebody to action
Well head associated gas pressurizing transports to out the supercharging device in petroleum pipeline, which needs to have low in cost, reliable for operation etc. excellent
Point.
Summary of the invention
Very widely used today production wellhead supercharging device the main problems are as follows: 1. existing production wellheads are geographical
Environment is complicated, and distributed areas are wider, and temperature fluctuation is big, high temperature or it is extremely cold under the conditions of supercharging equipment be difficult to work normally.2. pressurization
Pump design volume is too small, but when well head associated gas is excessive, can not compress associated gas pressurizing in time, be easy to cause gas lock phenomenon.3.
Production wellhead associated gas yield can be fluctuated, and association throughput is raised and lowered suddenly, influence the normal use of booster pump.4.
Existing booster pump causes service using life lower because lack sufficient lubrication or maintenance, and the half a year that can only generally work just needs pair
Supercharging device is replaced or is repaired.In order to overcome the above problem, it is living that the present invention provides a kind of production wellhead associated gas linkage type
Boosting recovery device and method are filled in, the present invention is used to recycle the casing gas of oil production field generation, and is pumped into petroleum pipeline progress
Oil and gas multiphase flow, the present invention adjust separately well site associated gas using control pressurer system, flow control system, electric tracer heating system
Pressure, flow and temperature, and by design lubricating system and associated gas pressurizing pump configuration is improved come the service life of increasing pump.
The technical solution adopted by the present invention are as follows:
A kind of production wellhead associated gas linkage type plunger booster recyclable device, including pumping unit, attachment base, casing gas booster pump,
Filter, admission line, production wellhead, outlet line, production tree, blowdown system, torch burning system, four-way, pressure control
System, flow control system and lubricating system；The pumping unit is connect with casing gas booster pump by attachment base, and casing gas increases
Press pump is connected to the filter, and filter is connect with the production tree being located in production wellhead, and outlet line goes out with casing gas booster pump
Port connection；The production tree gas outlet is connect with control pressurer system, blowdown system and torch burning system respectively, described
Control pressurer system and filter between be provided with flow control system；The production tree oil export is connected respectively by four-way
It is connected to gate valve, oil and gas multiphase flow and compressed gas and enters oil pipeline；It is provided between the filter and casing gas booster pump
Electric tracer heating system, water-cooled cooler and ball valve；The casing gas booster pump is equipped with four admission lines, on every pipeline
On be equipped with check valve；Booster pump lubricating system is provided on the casing gas booster pump；The casing gas booster pump connects
It is connected to pressurization gas surge tank；The water cooled formula cooler of pressurization gas surge tank oil export enters oil export by oil pipeline
Four-way is provided with pressure gauge on the petroleum pipeline.
The electric tracer heating system includes at least power supply, electric tracing control cabinet, heat tracing line and gas pipeline, the electric companion
Thermal control cabinet is connect with gas pipeline by heat tracing line, and the power supply is electrically connected with electric tracing control cabinet.
The control pressurer system includes at least flow pressure table, pressure shut-off valve, gas pressure regulator and decompression
Valve, the pressure shut-off valve are arranged on gas pressure regulator, and the import of pressure shut-off valve is arranged in the pressure reducing valve
Between oil pipeline；The flow control system includes at least gas flow controller, flow shut-off valve and throttle valve,
The throttle valve and gas flow controller is connect with the outlet of gas pressure regulator respectively, the gas flow control
Device is equipped with flow shut-off valve.
The lubricating system includes at least grease pump, lubricating oil holding vessel, lubricating oil pipe line and lubricating oil sump；Institute
The grease pump stated is connect with lubricating oil storage tank, lubricating oil storage tank by lubricating oil pipe line respectively with lubricating oil sump and set
The connection of pipe gas booster pump, lubricating oil sump are arranged below casing gas booster pump.
The casing gas booster pump is at least consolidated by the connection of wellhead supercharging pump lower articular connection structure, cylinder cap and cylinder head
Determine structure, the sealing structure of booster pump and booster pump appendix structure composition.
The described wellhead supercharging pump lower articular connection structure include at least booster pump upper bracket, hexagon-headed bolt, nut,
Washer, baffle, split pin, on-fixed partition circle, oscillating bearing, pin shaft, cylinder cap trunnion, connecting lugs and locking nut；It is described
Booster pump upper bracket connect with booster pump by cylinder cap trunnion, cylinder cap trunnion is connect with connecting lugs by split pin cold charge,
And there is free remaining chamber body inside cylinder cap trunnion and connecting lugs；Cavity outermost layer is split pin, is rotatable joint among cavity
Bearing, innermost layer are pin shaft, and installation on-fixed partition circle avoids trunnion from directly contacting among each trunnion；It is set on the outside of split pin both ends
Be equipped with baffle, baffle by passing through the hexagon-headed bolt of pin shaft, nut connects, washer is equipped between bolt and nut.
The cylinder cap and cylinder head be connected and fixed structure including at least filler plate, hexagon socket head cap screw, equilong threaded stud,
Inner stuffing, pressurization pump cylinder, bushing, upper cylinder body O-ring, upper cylinder cover, filler pressing sleeve, stud and cylinder head；Described fills out
Material pressure is set between filler plate and upper cylinder cover, and filler plate is fastenedly connected with upper cylinder cover by stud；Upper cylinder cover
It is attached with pressurization pump cylinder by equilong threaded stud, upper cylinder cover is connect with upper cylinder head by hexagon socket head cap screw；In cylinder head
There are three annular grooves between pressurization pump cylinder, intermediate annular groove is equipped with upper cylinder body O-ring；It is equipped between cylinder body and piston rod
Inner stuffing, inner stuffing lower section are equipped with bushing.
The sealing structure of the booster pump includes at least pressurization pump cylinder, piston rod, piston, piston O-ring, lock piston
Tight nut, elastic washer, piston tensioner ring and piston packing ring；There are 5 annular grooves, set inside annular groove in the periphery of the piston
It is connected to piston packing ring and piston rises ring, wherein for piston packing ring in outer layer, piston rises by ring in internal layer；Between piston rod and piston
It is connected by the piston locking nut of bottom, and intermediate setting elastic washer；There are 3 annulars in the piston rod of internal piston
Slot, 3 annular grooves the inside are respectively arranged with piston O-ring seal.
The booster pump appendix structure includes at least pressurization pump cylinder, gas pipeline tube body, compressed spring, piston
Bar, pipe fixing clip ring and air valve；The gas pipeline tube body is located on pressurization pump cylinder, the pipe fixing clip boxing
It is connected to gas pipeline tubular body；Pipe fixing clip ring is connected with the compression spring by air valve, and compressed spring is located at gas pipeline
Tubular body；The piston rod is located in booster pump cylinder center.
A kind of production wellhead associated gas linkage type plunger booster recovery method, specific steps are as follows:
After associated gas in casing of oil production well by producing, blowdown system, torch burning system or increasing are transported to by gas outlet four-way
Recovery system is pressed, the associated gas after excess pressure and flow measurement sequentially enters control pressurer system and flow control system；If
Associated gas, which meets after pressurization recycling condition can then be filtered by pneumatic filter, to be transported to by electric tracer heating system and water-cooled cooler group
At temperature control system carry out temperature adjustment；Associated gas by temperature adjustment by four admission lines of casing gas booster pump enter in pump into
Row pressurization, rear to enter pressurization gas surge tank buffering, pressurized associated gas again flows through temperature control system and carries out temperature control operation,
Ensure that associated gas temperature is no more than specified for temperature ranges, be passed through after pressure measurement petroleum pipeline mix it is defeated；Such as without pressurization or
Booster pump is overhauling, then associated gas is passed directly into other adapter tube road, and it is outer defeated that petroleum pipeline progress is inputted after pressure reducing valve；Lubrication
System pumps associated gas pressurizing and pumping unit carries out self-lubricate.
The invention has the benefit that
Associated gas is produced by producing well in the present invention, can be transported to blowdown system, torch burning system or recycling by four-way and is
System, the associated gas after excess pressure and flow measurement sequentially enters control pressurer system and flow control system, by filter mistake
Clean associated gas transports to temperature control system and carries out temperature adjustment after filter, the associated gas by temperature adjustment by above piston type booster pump or under
Enter booster pump at Fang Gongsi air inlet pumping hole, surge tank buffering is entered after pressurization, and again flow through temperature control system and dropped
Warm operation is pumped into petroleum pipeline after pressure measurement and mix defeated, such as overhauling without pressurization or booster pump, then associated gas is direct
Input is other to take over road, and it is outer defeated that petroleum pipeline progress is inputted after pressure reducing valve；Booster pump by lubricating system be timed lubrication with
Extend the service life of booster pump.
It is further detailed below with reference to attached drawing.
Detailed description of the invention
Fig. 1 well head linkage type plunger booster pumps pressurizing processes figure.
Fig. 2 production wellhead associated gas linkage type plunger booster recyclable device overview flow chart.
Fig. 3 linkage type boosting recovery device admission line control flow chart.
Fig. 4 associated gas linkage type plunger booster pumps internal structure chart.
Fig. 5 associated gas linkage type plunger booster pumps external structure.
Fig. 6 associated gas linkage type plunger booster pumps joint linkage structure figure.
Fig. 7 associated gas linkage type plunger booster pumps gas pipeline structure chart.
Fig. 8 associated gas linkage type plunger booster pump piston sealing structure figure.
Fig. 9 associated gas linkage type plunger booster pumping cylinder lid and cylinder body connection structure diagram.
Figure 10 associated gas linkage type plunger booster pumps top plan.
Figure 11 electric tracing pipeline heating system figure.
In figure, appended drawing reference are as follows: 1, pumping unit；2, attachment base；3, casing gas booster pump；4, pneumatic filter；5, air inlet
Pipeline；6, production wellhead；7, outlet line；8, grease pump；9, lubricating oil holding vessel；10, pressurize gas surge tank；11, it lubricates
Oil pipeline；12, check valve；13, lubricating oil sump；14, ball valve；15, water-cooled cooler；16, electric tracer heating system；17, gas
Flow controller；18, flow shut-off valve；19, throttle valve；20, pressure shut-off valve；21, gas pressure regulator；22, flow pressure
Power table；23, production tree；24, four-way；25, gate valve；26, pressure reducing valve；27, pressure gauge；28, booster pump upper bracket；29, turret head
Bolt；30, nut；31, washer；32, baffle；33, split pin；34, on-fixed partition circle；35, oscillating bearing；36, pin shaft；
37, cylinder cap trunnion；38, connecting lugs；39, locking nut；40, filler plate；41, hexagon socket head cap screw；42, equilong threaded stud；
43, inner stuffing；44, it is pressurized pump cylinder；45, gas pipeline tube body；46, compressed spring；47, piston rod；48, booster pump is empty
Chamber；49, piston；50, piston O-ring；51, piston clamping screw；52, piston locking nut；53, lower cylinder body O-ring；54, increase
Press pump lower bracket；55, cylinder body hypozygal connects；56, lower cylinder cap；57, elastic washer；58, piston rises ring；59, piston packing ring；
60, pipe fixing clip ring；61, air valve；62, bushing；63, upper cylinder body O-ring；64, upper cylinder cover；65, filler pressing sleeve；66, double end
Bolt；67, joint connects bolt；68, appendix；69, cylinder head；70, power supply；71, electric tracing control cabinet；72, heat tracing line；73,
Gas pipeline；74, gas exports four-way.
Specific embodiment
Embodiment 1:
Very widely used today production wellhead supercharging device the main problems are as follows: 1. existing production wellhead geographical environments
Complexity, distributed areas are wider, and temperature fluctuation is big, high temperature or it is extremely cold under the conditions of supercharging equipment be difficult to work normally.2. booster pump is set
It is too small to count volume, but when well head associated gas is excessive, associated gas pressurizing can not be compressed in time, be easy to cause gas lock phenomenon.3. recovering the oil
Well head associated gas yield can be fluctuated, and association throughput is raised and lowered suddenly, influence the normal use of booster pump.4. existing
Booster pump causes service using life lower, the half a year that can only generally work just needs to pressurization because lacking sufficient lubrication or maintenance
Device is replaced or is repaired.In order to overcome the above problem, the present invention provides a kind of production wellhead association as shown in figs. 1-11
Gas linkage type plunger booster recyclable device and method, the present invention are used to recycle the casing gas of oil production field generation, and are pumped into defeated
Oil pipeline carries out oil and gas multiphase flow, and the present invention adjusts separately well using control pressurer system, flow control system, electric tracer heating system
Pressure, flow and the temperature of field associated gas, and by design lubricating system and associated gas pressurizing pump configuration is improved come increasing pump
Service life.
A kind of production wellhead associated gas linkage type plunger booster recyclable device, including pumping unit 1, attachment base 2, casing gas increase
Press pump 3, filter 4, admission line 5, production wellhead 6, outlet line 7, production tree 23, blowdown system, torch burning system, gas
Export four-way 24, control pressurer system, flow control system and lubricating system；The pumping unit 1 and casing gas booster pump 3 is logical
The connection of attachment base 2 is crossed, casing gas booster pump 3 is connect with filter 4, and filter 4 connects with the production tree 23 being located in production wellhead 6
It connects, outlet line 7 is connect with 3 gas outlet of casing gas booster pump；Described 23 gas of the production tree outlet respectively with control pressurer system,
Blowdown system is connected with torch burning system, is provided with flow control system between the control pressurer system and filter 4；
23 oil export of production tree by oil export four-way 74 be connected separately with gate valve 25, oil and gas multiphase flow and compressed gas enter it is defeated
Oil-piping；Electric tracer heating system 16, water-cooled cooler 15 and ball are provided between the filter 4 and casing gas booster pump 3
Valve 14；The casing gas booster pump 3 is equipped with four admission lines, on every pipeline on be equipped with check valve 12；Described
Booster pump lubricating system is provided on casing gas booster pump 3；The casing gas booster pump 3 is connected with pressurization gas surge tank 10；
The water cooled formula cooler 15 of 10 oil export of pressurization gas surge tank enters oil export four-way 74 by oil pipeline, the oil transportation
Pressure gauge 27 is provided on pipeline.
As shown in Figure 1,3 upper bracket of casing gas booster pump is mounted on the walking beam of pumping unit 1 by attachment base 2, casing gas
3 lower bracket of booster pump is mounted in fixing seat.Association gas piston booster pump takes out casing gas by the power of pumping unit
It inhales, compression, to achieve the purpose that be pressurized casing gas.
As shown in Fig. 2, transporting to and putting by gas outlet four-way 24 after associated gas in casing of oil production well by producing in the present invention
Empty set system, torch burning system or pressurization recovery system, the associated gas after the metering of flow pressure table 22 sequentially enter pressure
Control system and flow control system.It can be transported in pneumatic filter 4 if associated gas meets pressurization recycling condition, by filtering
The filtered clean associated gas of device will transport to temperature control system and carry out temperature adjustment.Associated gas by temperature adjustment is by casing gas booster pump
3 four admission lines, which enter in pump, to be pressurized, and the rear pressurization gas surge tank 10 that enters buffers, and pressurized associated gas again flows through
Temperature control system carries out cooling operation, it is ensured that associated gas temperature is no more than specified for temperature ranges, is passed through oil transportation after pressure measurement
Pipeline mix defeated.It is such as being overhauled without pressurization or booster pump, then associated gas is passed directly into other adapter tube road, by pressure reducing valve 26
Input petroleum pipeline carries out outer defeated afterwards.Lubricating system pumps associated gas pressurizing and pumping unit carries out self-lubricate, extends booster pump
With the service life of pumping unit.
Embodiment 2:
On the basis of embodiment 1, electric tracer heating system 16 described in the present embodiment includes at least power supply 70, electric tracing controls
Cabinet 71, heat tracing line 72 and gas pipeline 73, the electric tracing control cabinet 71 are connect with gas pipeline 73 by heat tracing line 72, institute
The power supply 70 stated is electrically connected with electric tracing control cabinet 71.
As shown in Fig. 2, temperature control system is mainly made of water-cooled cooler 15 and electric tracer heating system 16.Pass through change
Water-cooled cooler 15 or the power of electric tracer heating system 16 are cooled down or are heated to the associated gas in gas transmission line, and temperature is made
It is maintained within the scope of booster pump normal working temperature.
The control pressurer system includes at least flow pressure table 22, pressure shut-off valve 20, gas pressure regulator 21
With pressure reducing valve 26, the pressure shut-off valve 20 is arranged on gas pressure regulator 21, and the setting of pressure reducing valve 26 is being pressed
Between the import and oil pipeline of power shut-off valve 20；The flow control system includes at least gas flow controller 17, stream
Measure shut-off valve 18 and throttle valve 19, the throttle valve 19 and gas flow controller 17 respectively with gas pressure regulator 21
Outlet connection, the gas flow controller 17 be equipped with flow shut-off valve 18.
As shown in figure 3, control pressurer system is at least by flow pressure table 22, pressure shut-off valve 20, gas pressure regulator
21 and pressure reducing valve 26 form.Pressure shut-off valve 20, gas pressure control are entered by admission line after associated gas metering when normal work
Device 21 processed controls pressure shut-off valve 20 according to 22 measurement data of flow pressure table, if associated gas admission pressure is greater than oil gas
Pressure after mixing defeated minimum specified pressure or associated gas pressurizing is greater than oil and gas multiphase flow maximum specified pressure, then controls pressure shutdown
Valve 20 turns off, and opens the ball valve on other adapter tube road, allow associated gas enter input oil pipe after pressure reducing valve 26 is depressurized mix it is defeated.
As shown in figure 3, flow control system includes at least gas flow controller 17, flow shut-off valve 18, throttle valve 19.
Associated gas comes out the laggard amount control system that becomes a mandarin by control pressurer system, and gas flow controller 17 measures number according to flowmeter 22
It is controlled according to flow shut-off valve, if association throughput is greater than booster pump assigned work flow, controls flow shut-off valve 19
Shutdown, associated gas flow to booster pump after throttle valve 19 in parallel throttles.
The lubricating system includes at least grease pump 8, lubricating oil holding vessel 9, lubricating oil pipe line 11 and Lubricating Oil
Pond 13；The grease pump 8 is connect with lubricating oil storage tank 9, lubricating oil storage tank 9 by lubricating oil pipe line 11 respectively with profit
Lubricating oil oil sump 13 and casing gas booster pump 3 connect, and lubricating oil sump 13 is arranged below casing gas booster pump 3.
As shown in Fig. 2, lubricating system is mainly by grease pump 8, lubricating oil holding vessel 9, lubricating oil pipe line 11 and lubricating oil
Oil sump 14 forms.Lubricating oil in lubricating oil storage tank 9 is pumped into associated gas pressurizing pump 3 and is lubricated by grease pump 8, in companion
There is a lubricating oil sump 14 below angry booster pump 3, is specifically used to receive the lubrication of lubricating oil outlet outflow below booster pump
Oil, and will be re-entered in lubricating oil holding vessel 9 by the lubricating oil for precipitating and filtering by lubricating oil pipe line 11, in case next time
It reuses.
The casing gas booster pump 3 is at least by the connection of wellhead supercharging pump lower articular connection structure, cylinder cap and cylinder head
Fixed structure, the sealing structure of booster pump and booster pump appendix structure composition.
The described wellhead supercharging pump lower articular connection structure include at least booster pump upper bracket 28, hexagon-headed bolt 29,
Nut 30, baffle 32, split pin 33, on-fixed partition circle 34, oscillating bearing 35, pin shaft 36, cylinder cap trunnion 37, connects washer 31
Connect trunnion 38 and locking nut 39；The booster pump upper bracket 28 is connect with booster pump by cylinder cap trunnion 37, cylinder cap trunnion
37 are connect with connecting lugs 38 by 33 cold charge of split pin, and are free remaining chamber body inside cylinder cap trunnion 37 and connecting lugs 38；
Cavity outermost layer is split pin 33, is rotatable joint bearing 35 among cavity, and innermost layer is pin shaft 36, installation among each trunnion
On-fixed partition circle 34 avoids trunnion from directly contacting；It is provided with baffle 32 on the outside of 33 both ends of split pin, baffle 32 is by passing through pin shaft
36 hexagon-headed bolt 29, nut 30 connect, and washer is equipped between bolt and nut.
The cylinder cap and cylinder head is connected and fixed structure including at least filler plate 40, hexagon socket head cap screw 41, isometric double end
Bolt 42, inner stuffing 43, pressurization pump cylinder 44, bushing 62, upper cylinder body O-ring 63, upper cylinder cover 64, filler pressing sleeve 65, double end
Bolt 66 and cylinder head 69；The filler pressing sleeve 65 is arranged between filler plate 40 and upper cylinder cover 64, filler plate 40 and upper cylinder cover
64 are fastenedly connected by stud 66；Upper cylinder cover 64 is connected with pressurization pump cylinder 44 by equilong threaded stud 42
It connects, upper cylinder cover 64 is connect with upper cylinder head 69 by hexagon socket head cap screw 41；There are three rings between cylinder head 69 and pressurization pump cylinder 44
Shape slot, intermediate annular groove are equipped with upper cylinder body O-ring 63；Inner stuffing 43 is housed, inside is filled out between cylinder body 69 and piston rod 47
43 lower section of material is equipped with bushing 62.
The sealing structure of the booster pump includes at least pressurization pump cylinder 44, piston rod 47, piston 49, piston O-ring
50, piston locking nut 52, elastic washer 57, piston tensioner ring 58 and piston packing ring 59；The periphery of the piston 49 has 5
Annular groove, is socketed with piston packing ring 59 inside annular groove and piston rises ring 58, and wherein piston packing ring 59 rises in outer layer, piston
Ring 58 is in internal layer；It is connected between piston rod 47 and piston 49 by the piston locking nut 52 of bottom, and intermediate setting elasticity
Washer 57；Piston rod 47 inside piston 49 has 3 annular grooves, is respectively arranged with piston O-ring seal 50 inside 3 annular grooves.
The booster pump appendix structure include at least pressurization pump cylinder 44, gas pipeline tube body 45, compressed spring 46,
Piston rod 47, pipe fixing clip ring 60 and air valve 61；The gas pipeline tube body 45 is located on pressurization pump cylinder 44, described
Pipe fixing clip ring 60 is welded in inside gas pipeline tube body 45；Pipe fixing clip ring 60 is connected by air valve 61 and compressed spring 46
It connects, compressed spring 46 is located inside gas pipeline tube body 45；The piston rod 47 is located in pressurization 44 center of pump cylinder.
As shown in figure 4, casing gas booster pump 3 mainly by associated gas wellhead supercharging pump lower articular connection structure, cylinder cap with
Cylinder head is connected and fixed structure, the sealing structure of booster pump and booster pump appendix structure composition.
As shown in figure 5, wellhead supercharging pump lower articular connection structure include: booster pump upper bracket 28, hexagon-headed bolt 29,
Nut 30, baffle 32, split pin 33, on-fixed partition circle 34, oscillating bearing 35, pin shaft 36, cylinder cap trunnion 37, connects washer 31
Connect trunnion 38 and locking nut 39.Booster pump upper bracket 28 is connect with booster pump by cylinder cap trunnion 37, cylinder cap trunnion 37 and company
It connects trunnion 38 to connect by 33 cold charge of split pin, and is free remaining chamber body inside cylinder cap trunnion 37 and connecting lugs 38；Cavity is most
Outer layer is split pin 33, is rotatable joint bearing 35 among cavity, and innermost layer is pin shaft 36, installs on-fixed among each trunnion
Partition circle 34 avoids trunnion from directly contacting, and reduces sliding friction；Baffle 32 is provided on the outside of 33 both ends of split pin to dust-proof, gear
Plate 32 by passing through the hexagon-headed bolt 29 of pin shaft 36, nut 30 connects, have washer between bolt and nut.
As shown in fig. 6, the structure that is connected and fixed of cylinder cap and cylinder head includes: filler plate 40, hexagon socket head cap screw 41, isometric double end
Bolt 42, inner stuffing 43, pressurization pump cylinder 44, bushing 62, upper cylinder body O-ring 63, upper cylinder cover 64, filler pressing sleeve 65, double end
Bolt 66 and cylinder head 69.Filler pressing sleeve 65 is placed between filler plate 40 and upper cylinder cover 64, the two is carried out using stud 66
It is fastenedly connected；Upper cylinder cover 64 is attached with pressurization pump cylinder 44 by equilong threaded stud 42, upper cylinder cover 64 and upper cylinder head 69
It is connected by hexagon socket head cap screw 41；There are three annular grooves between cylinder head 69 and pressurization pump cylinder 44, intermediate arrangement upper cylinder body is O-shaped
63 are enclosed to increase sealing structure；Inner stuffing 43 is housed, for reducing piston rod and cylinder body between cylinder body 69 and piston rod 47
Frictional force, while increasing sealing performance, bushing 62 be housed below inner stuffing 43, plays the role of sealing.
As shown in fig. 7, the sealing structure of booster pump includes: pressurization pump cylinder 44, piston rod 47, piston 49, piston O-ring
50, piston locking nut 52, elastic washer 57, piston tensioner ring 58 and piston packing ring 59.There are 5 annulars in the periphery of piston 49
Slot, the inside is socketed with piston packing ring 59 and piston rises ring 58, wherein in outer layer, piston rises including ring 58 piston packing ring 59
Layer is risen the sealing that ring and piston packing ring realize that piston runs above and below cylinder body by the piston of 5 annular grooves；Piston rod 47 with
It is connected between piston 49 by the piston locking nut 52 of bottom, and intermediate setting elastic washer 57, plays locking effect；
Piston rod 47 inside piston 49 has 3 annular grooves, and the inside is equipped with piston O-ring seal 50, increase piston and piston rod it
Between sealing performance.
As shown in figure 9, booster pump appendix structure includes: pressurization pump cylinder 44, gas pipeline tube body 45, compressed spring
46, piston rod 47, pipe fixing clip ring 60 and air valve 61.Pipe fixing clip ring 60 is welded in inside gas pipeline tube body 45, is
Fixed structure；Air pressure when air inlet outside piston pump is larger, inwardly push compressed spring 46, intake valve 61 open, gas into
Enter in pump；Piston pump air pressure inside is larger when exhaust, pushes compressed spring 46 outward, and air outlet valve 61 is opened, and gas is to outlet
Out.
A kind of production wellhead associated gas linkage type plunger booster recovery method, specific steps are as follows:
After associated gas in casing of oil production well by producing, by gas outlet four-way 24 transport to blowdown system, torch burning system or
It is pressurized recovery system, the associated gas after excess pressure and flow measurement sequentially enters control pressurer system and flow control system；
It is transported to after being filtered by pneumatic filter 4 if associated gas meets pressurization recycling condition cooling by electric tracer heating system 16 and water-cooled
The temperature control system that device 15 forms carries out temperature adjustment；Associated gas by temperature adjustment by 3 four admission lines of casing gas booster pump into
Enter and be pressurized in pump, the rear pressurization gas surge tank 10 that enters buffers, pressurized associated gas again flow through temperature control system into
Row temperature control operation, it is ensured that associated gas temperature is no more than specified for temperature ranges, be passed through after pressure measurement petroleum pipeline mix it is defeated；Such as
It is being overhauled without pressurization or booster pump, then associated gas is passed directly into other adapter tube road, inputs petroleum pipeline after pressure reducing valve 26
It carries out outer defeated；Lubricating system pumps associated gas pressurizing and pumping unit carries out self-lubricate.
As illustrated in fig. 1 and 2,3 upper bracket of casing gas booster pump is mounted on the walking beam of pumping unit 1 by attachment base 2, casing
3 lower bracket of gas booster pump is mounted in fixing seat.Association gas piston booster pump carries out casing gas by the power of pumping unit
Suction, compression, to achieve the purpose that be pressurized casing gas.After associated gas in casing of oil production well by producing, by gas
Outlet four-way 24 transports to blowdown system, torch burning system or pressurization recovery system, the companion after the metering of flow pressure table 22
Anger sequentially enters control pressurer system and flow control system.Gas mistake can be transported to if associated gas meets pressurization recycling condition
In filter 4, temperature control system will be transported to by the filtered clean associated gas of filter and carries out temperature adjustment.By the association of temperature adjustment
Gas is entered in pump by 3 four admission lines of casing gas booster pump to be pressurized, and the rear pressurization gas surge tank 10 that enters buffers, after pressurization
Associated gas again flow through temperature control system and carry out cooling operation, it is ensured that associated gas temperature is no more than specified for temperature ranges, pressure
Power metering after be passed through petroleum pipeline mix it is defeated.It is such as being overhauled without pressurization or booster pump, then associated gas is passed directly into side and connects
It is outer defeated to input petroleum pipeline progress after pressure reducing valve 26 for pipeline.Lubricating system pumps associated gas pressurizing and pumping unit carries out certainly
Dynamic lubrication, extends the service life of booster pump and pumping unit.
As shown in Fig. 2, booster pump admission line 5, outlet line 7, other adapter tube line, pressurization pipeline, pressurization rear line and outside
Defeated pipeline is gas transmission line.When booster pump works normally, associated gas enters control pressurer system and flow control by admission line 5
System processed enters pressurization pipeline through excess temperature control system temperature adjustment after processing, and associated gas is delivered to booster pump by pressurization pipeline,
It is delivered to pressurization rear line after carrying out secondary booster, pressure such as petroleum pipeline carries out outer defeated after temperature control system temperature adjustment；As increased
Press pump can not work normally or association atmospheric pressure is excessive without pressurization, and associated gas can be inputted other adapter tube line by admission line 5, then
It is outer defeated to be pressed directly into petroleum pipeline progress；If supercharging device and other adapter tube line all break down, associated gas can be defeated by admission line 5
Enter blowdown system and be vented or inputted the progress burning and exhausting operation of torch burning system, it is ensured that whole device safety.Emptying system
System and torch burning system are the prior art.
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.It is not described in the present embodiment
Structure member and its systems approach are the prior art, will be no longer further detailed in the present invention.
Claims (10)
1. a kind of production wellhead associated gas linkage type plunger booster recyclable device, it is characterised in that: including pumping unit (1), connection
Seat (2), casing gas booster pump (3), filter (4), admission line (5), production wellhead (6), outlet line (7), production tree
(23), blowdown system, torch burning system, oil export four-way (24), control pressurer system, flow control system and lube system
System；The pumping unit (1) is connect with casing gas booster pump (3) by attachment base (2), casing gas booster pump (3) and filter
(4) it connects, filter (4) is connect with the production tree (23) being located in production wellhead (6), and outlet line (7) and casing gas are pressurized
Pump the connection of (3) gas outlet；Described production tree (23) the gas outlet respectively with control pressurer system, blowdown system and torch burning system
System connection, is provided with flow control system between the control pressurer system and filter (4)；Production tree (23) oil
Outlet is connected separately with gate valve (25), oil and gas multiphase flow and compressed gas by oil export four-way (24) and enters oil pipeline；It is described
Filter (4) and casing gas booster pump (3) between be provided with electric tracer heating system (16), water-cooled cooler (15) and ball valve
(14)；The casing gas booster pump (3) is equipped with four admission lines, on every pipeline on be equipped with check valve (12)；Institute
Booster pump lubricating system is provided on the casing gas booster pump (3) stated；It is slow that the casing gas booster pump (3) is connected with pressurization gas
Rush tank (10)；The water cooled formula cooler (15) of pressurization gas surge tank (10) oil export enters oil export by oil pipeline
Four-way (24) is provided with pressure gauge (27) on the petroleum pipeline.
2. a kind of production wellhead associated gas linkage type plunger booster recyclable device according to claim 1, it is characterised in that:
The electric tracer heating system (16) includes at least power supply (70), electric tracing control cabinet (71), heat tracing line (72) and gas pipeline
(73), the electric tracing control cabinet (71) and gas pipeline (73) connects by heat tracing line (72), the power supply (70) and
Electric tracing control cabinet (71) electrical connection.
3. a kind of production wellhead associated gas linkage type plunger booster recyclable device according to claim 1, it is characterised in that:
The control pressurer system include at least flow pressure table (22), pressure shut-off valve (20), gas pressure regulator (21) and
Pressure reducing valve (26), the pressure shut-off valve (20) are arranged on gas pressure regulator (21), and the pressure reducing valve (26) is set
It sets between the import and oil pipeline of pressure shut-off valve (20)；The flow control system is controlled including at least gas flow
Device (17), flow shut-off valve (18) and throttle valve (19), the throttle valve (19) and gas flow controller (17) respectively with
The outlet of gas pressure regulator (21) connects, and the gas flow controller (17) is equipped with flow shut-off valve (18).
4. a kind of production wellhead associated gas linkage type plunger booster recyclable device according to claim 1, it is characterised in that:
The lubricating system includes at least grease pump (8), lubricating oil holding vessel (9), lubricating oil pipe line (11) and lubricating oil sump
(13)；The grease pump (8) is connect with lubricating oil storage tank (9), and lubricating oil storage tank (9) passes through lubricating oil pipe line (11)
It is connect respectively with lubricating oil sump (13) and casing gas booster pump (3), lubricating oil sump (13) is arranged in casing gas booster pump (3)
Lower section.
5. a kind of production wellhead associated gas linkage type plunger booster recyclable device according to claim 1, it is characterised in that:
The casing gas booster pump (3) is at least connected and fixed knot by wellhead supercharging pump lower articular connection structure, cylinder cap and cylinder head
Structure, the sealing structure of booster pump and booster pump appendix structure composition.
6. a kind of production wellhead associated gas linkage type plunger booster recyclable device according to claim 5, it is characterised in that:
The wellhead supercharging pump lower articular connection structure includes at least booster pump upper bracket (28), hexagon-headed bolt (29), nut
(30), washer (31), baffle (32), split pin (33), on-fixed partition circle (34), oscillating bearing (35), pin shaft (36), cylinder cap
Trunnion (37), connecting lugs (38) and locking nut (39)；The booster pump upper bracket (28) and booster pump passes through cylinder cap branch
Ear (37) connection, cylinder cap trunnion (37) is connect with connecting lugs (38) by split pin (33) cold charge, and cylinder cap trunnion (37)
There is free remaining chamber body with connecting lugs (38) inside；Cavity outermost layer is split pin (33), is rotatable joint bearing among cavity
(35), innermost layer is pin shaft (36), and installation on-fixed partition circle (34) avoids trunnion from directly contacting among each trunnion；Split pin
(33) be provided with baffle (32) on the outside of both ends, baffle (32) by pass through pin shaft (36) hexagon-headed bolt (29), nut (30) even
It connects, washer is equipped between bolt and nut.
7. a kind of production wellhead associated gas linkage type plunger booster recyclable device according to claim 5, it is characterised in that:
The cylinder cap and cylinder head is connected and fixed structure including at least filler plate (40), hexagon socket head cap screw (41), equilong threaded stud
(42), inner stuffing (43), pressurization pump cylinder (44), bushing (62), upper cylinder body O-ring (63), upper cylinder cover (64), filler pressing sleeve
(65), stud (66) and cylinder head (69)；Described filler pressing sleeve (65) setting filler plate (40) and upper cylinder cover (64) it
Between, filler plate (40) is fastenedly connected with upper cylinder cover (64) by stud (66)；Upper cylinder cover (64) and pressurization pump cylinder
(44) it is attached by equilong threaded stud (42), upper cylinder cover (64) and upper cylinder head (69) are connected by hexagon socket head cap screw (41)
It connects；There are three annular grooves between cylinder head (69) and pressurization pump cylinder (44), intermediate annular groove is equipped with upper cylinder body O-ring
(63)；Inner stuffing (43) are housed between cylinder body (69) and piston rod (47), bushing (62) are housed below inner stuffing (43).
8. a kind of production wellhead associated gas linkage type plunger booster recyclable device according to claim 5, it is characterised in that:
The sealing structure of the booster pump includes at least pressurization pump cylinder (44), piston rod (47), piston (49), piston O-ring
(50), piston locking nut (52), elastic washer (57), piston tensioner ring (58) and piston packing ring (59)；The piston
(49) there are 5 annular grooves in periphery, is socketed with piston packing ring (59) inside annular groove and piston rises ring (58), wherein piston is close
For seal ring (59) in outer layer, piston rises by ring (58) in internal layer；It is locked between piston rod (47) and piston (49) by the piston of bottom
Nut (52) connection, and intermediate setting elastic washer (57)；There are 3 annular grooves in the internal piston rod (47) of piston (49), 3
Piston O-ring seal (50) are respectively arranged with inside road annular groove.
9. a kind of production wellhead associated gas linkage type plunger booster recyclable device according to claim 5, it is characterised in that:
The booster pump appendix structure includes at least pressurization pump cylinder (44), gas pipeline tube body (45), compressed spring (46), lives
Stopper rod (47), pipe fixing clip ring (60) and air valve (61)；The gas pipeline tube body (45) is located at pressurization pump cylinder (44)
On, it is internal that the pipe fixing clip ring (60) is welded in gas pipeline tube body (45)；Pipe fixing clip ring (60) passes through air valve
(61) it is connect with compressed spring (46), it is internal that compressed spring (46) is located at gas pipeline tube body (45)；The piston rod (47)
In pressurization pump cylinder (44) center.
10. any one production wellhead associated gas linkage type plunger booster recovery method described in -9 according to claim 1, special
Sign is: specific steps are as follows:
After associated gas in casing of oil production well by producing, blowdown system, torch burning system are transported to by gas outlet four-way (74)
Or pressurization recovery system, the associated gas after excess pressure and flow measurement sequentially enter control pressurer system and flow control system
System；It transports to after being filtered by pneumatic filter (4) if associated gas meets pressurization recycling condition by electric tracer heating system (16) and water
The temperature control system of cold type cooler (15) composition carries out temperature adjustment；Associated gas by temperature adjustment is by casing gas booster pump (3) four
A admission line, which enters in pump, to be pressurized, rear to enter pressurization gas surge tank (10) buffering, and pressurized associated gas again flows through
Temperature control system carries out temperature control operation, it is ensured that associated gas temperature is no more than specified for temperature ranges, is passed through oil transportation after pressure measurement
Pipeline mix defeated；It is such as being overhauled without pressurization or booster pump, then associated gas is passed directly into other adapter tube road, by pressure reducing valve
(26) progress of input petroleum pipeline is outer defeated afterwards；Lubricating system pumps associated gas pressurizing and pumping unit carries out self-lubricate.
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| CN201910352390.1A CN110030491B (en) | 2019-04-29 | 2019-04-29 | Oil extraction wellhead associated gas linkage type piston pressurizing recovery device and method |
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|---|---|---|---|
| CN201910352390.1A CN110030491B (en) | 2019-04-29 | 2019-04-29 | Oil extraction wellhead associated gas linkage type piston pressurizing recovery device and method |
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| CN111927424A (en) * | 2020-09-25 | 2020-11-13 | 胜利油田高原石油装备有限责任公司 | Heavy hammer balanced type petroleum pumping unit |
| CN112066258A (en) * | 2020-09-29 | 2020-12-11 | 陕西星辰石油科技有限责任公司 | Oil well associated gas recovery supercharging device |
| CN119754743A (en) * | 2025-03-10 | 2025-04-04 | 新疆金石钻采设备有限公司 | A mechanical booster production wellhead device based on electrically heated heavy oil |
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