CN108868699A - Synchronous revolving continuous gaslift equipment - Google Patents
Synchronous revolving continuous gaslift equipment Download PDFInfo
- Publication number
- CN108868699A CN108868699A CN201810626590.7A CN201810626590A CN108868699A CN 108868699 A CN108868699 A CN 108868699A CN 201810626590 A CN201810626590 A CN 201810626590A CN 108868699 A CN108868699 A CN 108868699A
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- Prior art keywords
- wall
- gaslift
- synchronous
- gas
- corrosion
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Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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
Abstract
The invention discloses a kind of synchronous revolving continuous gaslift equipment, including gas well oil pipe perforation, the perforation connection gas well oil pipe and casing.Oil pipe and cannula tip are fixed with synchronous revolving continuous gaslift equipment, and oil pipe and casing connect with synchronous revolving continuous gaslift equipment inlet and outlet respectively.The present invention is lubricated oil tank and is provided lubricating oil using the pressure difference between pressure at expulsion and admission pressure as circulation power, synchronous-rotation multiphase mixture pump can arbitrary proportion gas-liquid delivery, without fixed compression ratio, implement gaslift after simple separation, highest compression ratio is up to 40, reciprocating compressor in alternative segmentation gaslift, gas lift valve spool jams cause ground injecting gas pressure rise to will not influence the efficiency of synchronous-rotation multiphase mixture pump.
Description
Technical field
The present invention relates to airlift unit technical field more particularly to a kind of synchronous revolving continuous gaslift equipments.
Background technique
Gaslift is the certain depth in oil pipe by a kind of artificial lift method of external high pressure gas injection oil jacket annulus,
Gaslift technology is increased production commonly used in gas well water pumping gas production and whale, is divided into intermittent gaslift and continuous gas lift, in compactness oil
In gas reservoir, shale oil-gas reservoir, in conjunction with the features such as the hyposmosis of stratum, continuous gas lift is more reasonably selection, nitrogen in nitrogen gaslift
It is at high cost for additional gas source, do not have the economy for implementing continuous gas lift technique, natural gas is segmented the compressor vulnerable part of gaslift
More, maintenance period is short, and the gas lift valve in technique is easy to be shaked out by shaft bottom to block spool, causes compressor load to increase, reliability
It reduces；Well head natural gas is usually aqueous, requires the stringent gas-liquid separation of inlet end in reciprocating compressor operation, it is existing liquid hammer otherwise occur
As, liquid after gas-liquid separation can not in-situ processing, cause environmentally friendly risk；Multi-stage compression, single-stage is usually taken in reciprocating compressor
Pressure ratio is typically not greater than 3, when high pressure ratio is run, due to the expansion of clearance volume mesohigh gas, makes the volumetric efficiency of compressor
Decline reduces process economy.
Summary of the invention
The purpose of the present invention is to solve disadvantages existing in the prior art, and the continuous gas of a kind of synchronous revolving proposed
Lift device.
To achieve the goals above, present invention employs following technical solutions：
A kind of synchronous revolving continuous gaslift equipment, including gas well drilling and air compressor machine, the inner wall of the gas well drilling are plugged with resistance to
Corrode shell, and the top exterior walls sliding sleeve of corrosion-resistant shell is connected to riser, the top inner wall of the corrosion-resistant shell is close
One end of riser has been bolted synchronous-rotation multiphase mixture pump, and the output end of synchronous-rotation multiphase mixture pump and mentions
The inner wall of riser connects, the inner wall of the corrosion-resistant shell close to the side of synchronous-rotation multiphase mixture pump be welded with first every
Film, and the inner wall of corrosion-resistant shell is welded with two discharge chambes, the bottom of two discharge chambes close to the side of the first diaphragm
Inner wall is fixed with compressor, and the top exterior walls of the bottom outer wall of one of discharge chambe and another discharge chambe by screw
It connects, the outer wall of the corrosion-resistant shell is welded with isocon close to the side of discharge chambe, and isocon is far from corrosion-resistant outer
One end of shell is connected with air compressor machine, and the bottom outer wall of the discharge chambe is welded with the second diaphragm, and outside the top of the second diaphragm
Wall is provided with screw hole, and screw hole inner wall has been connected through a screw thread pressure valve, and the bottom outer wall of second diaphragm has been bolted
Gas-liquid separator, and the bottom outer wall of the second diaphragm is socketed with air inlet buffering pipe, the corrosion-resistant shell is buffered close to air inlet
Pipeline side has been threadably secured scavenging air valve, and the inner wall of scavenging air valve is connected by pipeline with air compressor machine, and the air inlet is slow
The bottom outer wall in washing pipe road is welded with air intake filter.
Preferably, the bottom outer wall two sides of the corrosion-resistant shell are provided with lubricating oil storage tank, and lubricating oil oil storage
The top exterior walls of tank are plugged with petroleum pipeline, and one end of petroleum pipeline is plugged on the first diaphragm.
Preferably, the gas-liquid separator includes shunting outer cylinder and separation inner cylinder, and the outer wall for separating inner cylinder is socketed in point
On the inner wall for flowing outer cylinder, the top inner wall and pressure valve for separating inner cylinder connect.
Preferably, the outer wall of the isocon is welded with flowmeter, and the signal output end of flowmeter is connected by signal wire
It is connected to microprocessor.
Preferably, the promotion inside pipe wall is provided with gaslift mechanism, and gaslift mechanism includes locking gas and plunger, fastener
It is socketed in the top exterior walls of plunger.
Preferably, the synchronous-rotation multiphase mixture pump, air compressor machine and compressor are respectively connected with switch, and switch by leading
Line is connected with microprocessor.
Beneficial effects of the present invention are：Synchronous revolving continuous gaslift equipment implements continuous gas lift using well head saturated gas
Technique lubricates oil tank using the pressure difference between pressure at expulsion and admission pressure as circulation power and provides lubricating oil for host, rises
To the effect of " lubrication, sealing, cooling ", synchronous-rotation multiphase mixture pump has arbitrary proportion gas-liquid delivery, without fixed compression ratio
The characteristics of, implement gaslift after well head saturated gas simple separation, without environmentally friendly risk；Its leakproofness is better than reciprocating compressor, can
Single-stage high voltage is than compression, and highest compression ratio up to 40, make by the alternative reciprocating compressor being segmented in gaslift, gas lift valve spool jams
It will not influence the efficiency of synchronous-rotation multiphase mixture pump at ground injecting gas pressure rise；Its reliability is better than reciprocating compressor, nothing
Vulnerable part, working principle is advanced, the validity and reliability of effective guarantee gaslift technique, is segmented gas with nitrogen gaslift and natural gas
Act is compared, with the advantage in technology and cost.
Detailed description of the invention
Fig. 1 is a kind of constructing structure schematic diagram of synchronous revolving continuous gaslift equipment proposed by the present invention；
Fig. 2 is a kind of structure of gas liquid separator schematic diagram of synchronous revolving continuous gaslift equipment proposed by the present invention.
In figure：The drilling of 1 gas well, 2 compressors, 3 corrosion-resistant shells, 4 synchronous-rotation multiphase mixture pumps, 5 isocons, 6 are promoted
Pipe, 7 air compressor machines, 8 scavenging air valves, 9 petroleum pipelines, 10 lubricating oil storage tanks, 11 air intake filters, 12 air inlet buffering pipes, 13 gas-liquids
Separator, 14 separation inner cylinders, 15 pressure valve.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
Referring to Fig.1-2, a kind of synchronous revolving continuous gaslift equipment, including gas well drilling 1 and air compressor machine 7, gas well drilling 1
Inner wall is plugged with corrosion-resistant shell 3, and the top exterior walls sliding sleeve of corrosion-resistant shell 3 is connected to riser 6, corrosion-resistant shell 3
Top inner wall has been bolted synchronous-rotation multiphase mixture pump 4 close to one end of riser 6, and synchronous rotary multi-phase mix it is defeated
The output end and the inner wall of riser 6 of pump 4 connect, synchronous-rotation multiphase mixture pump 4 can arbitrary proportion gas-liquid delivery, without fixation
The inner wall of compression ratio, corrosion-resistant shell 3 is welded with the first diaphragm close to the side of synchronous-rotation multiphase mixture pump 4, and corrosion-resistant
The inner wall of shell 3 is welded with two discharge chambes close to the side of the first diaphragm, and the bottom interior wall of two discharge chambes is solid by screw
Surely there is compressor 2, and the bottom outer wall of one of discharge chambe and the top exterior walls of another discharge chambe connect, it is corrosion-resistant
The outer wall of shell 3 is welded with isocon 5, and isocon 5 one end and pneumatics far from corrosion-resistant shell 3 close to the side of discharge chambe
Machine 7 is connected, and the bottom outer wall of discharge chambe is welded with the second diaphragm, and the top exterior walls of the second diaphragm are provided with screw hole, in screw hole
Wall has been connected through a screw thread pressure valve 15, and the bottom outer wall of the second diaphragm has been bolted gas-liquid separator 13, and second
The bottom outer wall of diaphragm is socketed with air inlet buffering pipe 12, and corrosion-resistant shell 3 passes through screw thread close to 12 side of air inlet buffering pipe
It is fixed with scavenging air valve 8, and the inner wall of scavenging air valve 8 is connected by pipeline with air compressor machine 7, the bottom outer wall of air inlet buffering pipe 12
It is welded with air intake filter 11.
In the present invention, the bottom outer wall two sides of corrosion-resistant shell 3 are provided with lubricating oil storage tank 10, and lubricating oil oil storage
The top exterior walls of tank 10 are plugged with petroleum pipeline 9, and one end of petroleum pipeline 9 is plugged on the first diaphragm, with pressure at expulsion and air inlet pressure
Pressure difference between power provides lubricating oil as circulation power for host, plays the role of lubrication, sealing and cooling, gas-liquid separator
13 include shunting outer cylinder and separation inner cylinder 14, and the outer wall for separating inner cylinder 14 is socketed on the inner wall for shunting outer cylinder, separates inner cylinder
14 top inner wall and pressure valve 15 connects, and the outer wall of isocon 5 is welded with flowmeter, and the signal output end of flowmeter is logical
It crosses signal wire and is connected with microprocessor, the model of flowmeter, 6 inner wall of riser is provided with gaslift mechanism, and gaslift mechanism packet
Locking gas and plunger are included, fastener is socketed in the top exterior walls of plunger, synchronous-rotation multiphase mixture pump 4, air compressor machine 7 and compression
Machine 2 is respectively connected with switch, and switch is connected by conducting wire with microprocessor, the model of microprocessor.
Working principle：The saturated gas of output flows through inlet air filtration from the bottom of corrosion-resistant shell 3 in gas well drilling 1
Device 11 enters air inlet buffering pipe 12, by gas-liquid separator 13
After gas-liquid separation, compressor 2 sprue bushing of the portion of natural gas through two-stage, remaining gas-liquid is through defeated outside outer defeated process；Device
Bottom setting lubrication oil tank 10, using the pressure difference between pressure at expulsion and admission pressure as circulation power, synchronous rotary multi-phase is mixed
Defeated pump 4 can arbitrary proportion gas-liquid delivery, without fixed compression ratio, directly using implementing gas after well head saturated gas simple separation
It lifts.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (6)
1. a kind of synchronous revolving continuous gaslift equipment, including gas well drilling（1）And air compressor machine（7）, which is characterized in that the gas well
Drilling（1）Inner wall be plugged with corrosion-resistant shell（3）, and corrosion-resistant shell（3）Top exterior walls sliding sleeve be connected to riser
（6）, the corrosion-resistant shell（3）Top inner wall close to riser（6）One end be bolted synchronous rotary multi-phase
Mixing pump（4）, and synchronous-rotation multiphase mixture pump（4）Output end and riser（6）Inner wall connect, it is described corrosion-resistant outer
Shell（3）Inner wall close to synchronous-rotation multiphase mixture pump（4）Side be welded with the first diaphragm, and corrosion-resistant shell（3）It is interior
Wall is welded with two discharge chambes close to the side of the first diaphragm, and the bottom interior wall of two discharge chambes is fixed with pressure by screw
Contracting machine（2）, and the bottom outer wall of one of discharge chambe and the top exterior walls of another discharge chambe connect, it is described corrosion-resistant
Shell（3）Outer wall be welded with isocon close to the side of discharge chambe（5）, and isocon（5）Far from corrosion-resistant shell（3）One
End and air compressor machine（7）It is connected, the bottom outer wall of the discharge chambe is welded with the second diaphragm, and the top exterior walls of the second diaphragm are opened
There is screw hole, screw hole inner wall has been connected through a screw thread pressure valve（15）, the bottom outer wall of second diaphragm has been bolted
Gas-liquid separator（13）, and the bottom outer wall of the second diaphragm is socketed with air inlet buffering pipe（12）, the corrosion-resistant shell（3）It leans on
Nearly air inlet buffering pipe（12）Side has been threadably secured scavenging air valve（8）, and scavenging air valve（8）Inner wall pass through pipeline and pneumatics
Machine（7）It is connected, the air inlet buffering pipe（12）Bottom outer wall be welded with air intake filter（11）.
2. a kind of synchronous revolving continuous gaslift equipment according to claim 1, which is characterized in that the corrosion-resistant shell
（3）Bottom outer wall two sides be provided with lubricating oil storage tank（10）, and lubricating oil storage tank（10）Top exterior walls be plugged with
Petroleum pipeline（9）, petroleum pipeline（9）One end be plugged on the first diaphragm.
3. a kind of synchronous revolving continuous gaslift equipment according to claim 1, which is characterized in that the gas-liquid separator
（13）Including shunting outer cylinder and separation inner cylinder（14）, and separate inner cylinder（14）Outer wall be socketed in shunt outer cylinder inner wall on, point
From inner cylinder（14）Top inner wall and pressure valve（15）It connects.
4. a kind of synchronous revolving continuous gaslift equipment according to claim 1, which is characterized in that the isocon（5）'s
Outer wall is welded with flowmeter, and the signal output end of flowmeter is connected with microprocessor by signal wire.
5. a kind of synchronous revolving continuous gaslift equipment according to claim 1, which is characterized in that the riser（6）It is interior
Wall is provided with gaslift mechanism, and gaslift mechanism includes locking gas and plunger, and fastener is socketed in the top exterior walls of plunger.
6. a kind of synchronous revolving continuous gaslift equipment according to claim 1, which is characterized in that the synchronous rotary multi-phase
Mixing pump（4）, air compressor machine（7）And compressor（2）It is respectively connected with switch, and switch is connected by conducting wire with microprocessor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810626590.7A CN108868699A (en) | 2018-06-19 | 2018-06-19 | Synchronous revolving continuous gaslift equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810626590.7A CN108868699A (en) | 2018-06-19 | 2018-06-19 | Synchronous revolving continuous gaslift equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108868699A true CN108868699A (en) | 2018-11-23 |
Family
ID=64339559
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810626590.7A Pending CN108868699A (en) | 2018-06-19 | 2018-06-19 | Synchronous revolving continuous gaslift equipment |
Country Status (1)
| Country | Link |
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| CN (1) | CN108868699A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113417607A (en) * | 2021-08-05 | 2021-09-21 | 北京中海沃邦能源投资有限公司石楼分公司 | Continuous pressure-increasing drainage and production equipment for low-pressure high-yield water well |
| CN116146153A (en) * | 2023-04-20 | 2023-05-23 | 天津市益彰石油科技发展有限公司 | Coaxial double-cylinder drag reduction lifting device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113417607A (en) * | 2021-08-05 | 2021-09-21 | 北京中海沃邦能源投资有限公司石楼分公司 | Continuous pressure-increasing drainage and production equipment for low-pressure high-yield water well |
| CN113417607B (en) * | 2021-08-05 | 2023-02-21 | 北京中海沃邦能源投资有限公司石楼分公司 | Continuous pressure-increasing drainage and production equipment for low-pressure high-yield water well |
| CN116146153A (en) * | 2023-04-20 | 2023-05-23 | 天津市益彰石油科技发展有限公司 | Coaxial double-cylinder drag reduction lifting device |
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