CN109667749A - Gas well pressure takes out pump certainly - Google Patents
Gas well pressure takes out pump certainly Download PDFInfo
- Publication number
- CN109667749A CN109667749A CN201811388708.3A CN201811388708A CN109667749A CN 109667749 A CN109667749 A CN 109667749A CN 201811388708 A CN201811388708 A CN 201811388708A CN 109667749 A CN109667749 A CN 109667749A
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- Prior art keywords
- power
- valve
- drawing liquid
- piston
- moved
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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
- F04B47/00—Pumps or pumping installations specially adapted for raising fluids from great depths, e.g. well pumps
- F04B47/06—Pumps or pumping installations specially adapted for raising fluids from great depths, e.g. well pumps having motor-pump units situated at great depth
- F04B47/08—Pumps or pumping installations specially adapted for raising fluids from great depths, e.g. well pumps having motor-pump units situated at great depth the motors being actuated by fluid
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- 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
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/14—Pistons, piston-rods or piston-rod connections
- F04B53/144—Adaptation of piston-rods
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
- F15B13/04—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor
- F15B13/0401—Valve members; Fluid interconnections therefor
- F15B13/0402—Valve members; Fluid interconnections therefor for linearly sliding valves, e.g. spool valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
- F15B13/04—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor
- F15B13/0401—Valve members; Fluid interconnections therefor
- F15B2013/041—Valve members; Fluid interconnections therefor with two positions
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Reciprocating Pumps (AREA)
Abstract
The invention discloses a kind of gas well pressure from pump is taken out, and the commutation valve body including hollow columnar, commutation valve body top is provided with multiple axially aligned and mutually isolated power cylinder tube, and a power piston is provided in each power cylinder tube；Each power cylinder tube is divided into power upper chamber and power lower chambers by each power piston；The present invention passes through first fluid channel using the natural gas at gas well plug-ging, the power twitched is provided to power piston, to drive drawing liquid piston to carry out drawing liquid work, and cleverly reversing arrangement is devised, natural gas can be imported to different chambers under different conditions to achieve the purpose that piston back-and-forth movement；Using apparatus of the present invention, extract using the power of natural gas the work of gas well plug-ging without exterior power driving.
Description
Technical field
The present invention relates to a kind of pumps to extract natural gas, take out pump certainly more specifically to a kind of gas well pressure.
Background technique
When extracting natural gas, the gas well in depth bottom used phase after manufacture is exploited, since strata pressure, gas well produce
Can decline, temperature in wellbore gradient increase, temperature decline etc. will lead to fractions in natural gas in pit shaft condensation and formed
Condensed liquid, and when gas well gas production is not enough to take out of the part condensed liquid, condensed liquid is just fallen after rise to shaft bottom, generates gas well product
Liquid.The aggregation of gas well plug-ging will increase to the back pressure of gas-bearing formation, and limit capacity of well, it is therefore desirable to draw it out.And it is sharp
When extracting gas well plug-ging with the pump housing, natural gas is capable of providing the power of rising in fact, but in the prior art almost without device benefit
With this power.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of gas well pressure from pump is taken out, and can utilize the power of natural gas will
Gas well plug-ging extracts ground out.
In order to achieve the above object, the present invention takes following technical scheme:
From pump is taken out, the commutation valve body including hollow columnar, commutation valve body top is provided with multiple along axis for a kind of gas well pressure
To arrangement and mutually isolated power cylinder tube, a power piston is provided in each power cylinder tube；Each power piston will be every
A power cylinder tube is divided into power upper chamber and power lower chambers；
It is provided with drawing liquid cylinder barrel below commutation valve body, drawing liquid piston is provided in drawing liquid cylinder barrel；Drawing liquid piston is by drawing liquid
Cylinder barrel is divided into drawing liquid upper chamber and drawing liquid lower chambers；
The middle part of commutation valve body passes through a hollow piston rod, and piston rod perforation connects each power piston and drawing liquid is living
Plug；The top of piston rod is pierced by the power cylinder tube positioned at the top, and the bottom end of piston rod is connected to drawing liquid piston；Drawing liquid upper chamber
Communicating passage is offered between the hollow region of piston rod；Drawing liquid lower chambers and the hollow region of piston rod are unidirectional by first
Valve unilaterally connected；
Commutation valve interior wall is provided with the slide valve being axially movable；Commutation valve interior wall has also been vertically embedded into the first bullet
Spring, second spring, and be connected to the first spring and second spring and towards commutation valve body central axes the first bolt and
Second bolt；The side wall of slide valve offers the first pin hole and the second pin hole of perforation, and inserts in the first pin hole and second
Pin hole, which is embedded in, is provided with the first auxiliary bolt and the second auxiliary bolt, the length of the first auxiliary bolt and the second auxiliary bolt with
The depth of first pin hole and the second pin hole respectively corresponds identical；
When slide valve is moved to top dead centre, the second bolt is acted on the second pin hole of insertion by elastic force to fix slide valve,
Second auxiliary bolt part removes the second pin hole；When slide valve is moved to lower dead center, the first bolt is by elastic force effect insertion the
For one pin hole to fix slide valve, the first auxiliary bolt part removes the first pin hole；
Slide valve inner wall is provided with the valve fuse tube being axially movable, and has been embedded in pressure in the contact surface of valve fuse tube and slide valve
Tight spring can apply axial drag force to slide valve by holddown spring to valve fuse tube；
When valve fuse tube is moved to top dead centre, valve fuse tube pushes the first auxiliary bolt that it is made to be completely embedded into the first pin hole,
First auxiliary bolt pushes the first bolt to release the fixation of slide valve, while slide valve is moved to only by holddown spring effect
Point；
When valve fuse tube is moved to lower dead center, valve fuse tube pushes the second auxiliary bolt that it is made to be completely embedded into the second pin hole,
Second auxiliary bolt pushes the second bolt to release the fixation of slide valve, while slide valve is moved to down only by holddown spring effect
Point；
The first passage hole through side wall, second logical is equidistantly offered along axial direction from top to bottom in the side wall of commutation valve body
Road hole and third channel hole；First passage hole is connected to power upper chamber by pipeline；Third channel hole is connected to by pipeline
Power lower chambers；Second channel hole is connect with the fluid input tube road for taking out pump power certainly is provided；
Slide valve outer wall opens up fluted；
When slide valve is moved to top dead centre, first passage is connected to second channel by groove；When slide valve is moved to down only
When point, second channel is connected to third channel by groove；
When drawing liquid piston is moved to top dead centre, valve fuse tube is moved to top dead centre by the promotion of drawing liquid piston；Work as power piston
When being moved to lower dead center, valve fuse tube is moved to lower dead center by power piston promotion；
It is additionally provided with slider around drawing liquid cylinder barrel and close to commutation valve body, the outer diameter of slider is greater than the outer of commutation valve body
Diameter；The first fluid channel of connection slider two sides, first fluid channel and fluid input tube road are offered in slider respectively
Connection.
Preferably, power cylinder tube is arranged three.
Preferably, piston rod part is connected with oil pipe.
Preferably, it is additionally provided with the gas collecting tube that both ends have opening around the device, gas collecting tube and slider sealing connect
It connects.
Preferably, casing is also arranged with outside gas collecting tube.
Preferably, drawing liquid lower chambers bottom is connected to the external world by second one-way valve.
Preferably, the second fluid channel of connection slider two sides is also provided in slider, second fluid channel passes through
Upper floating ball liquid-level switch control circulation or closing above slider.
It is an advantage of the current invention that entering only by the lift of natural gas should pump from taking out without using external power,
It can be to provide power for that should pump from pumping；And by the ingehious design of reversing arrangement, the unidirectional lift of natural gas can be converted into
The power of the different directions of piston, in this way, from the piston taken out in pump can constantly varying motion direction to reaching pumping
The purpose of liquid.It follows that present apparatus energy conservation and environmental protection, and automate strong.
Detailed description of the invention
Fig. 1, Fig. 2 and Fig. 3 are the broken away views of apparatus of the present invention when slide valve is moved to top dead centre, wherein Fig. 1 is top
Point, the middle section Fig. 2, Fig. 3 is lower part.
In figure, 1, commutation valve body, 11, slide valve, 12, valve fuse tube, 13, holddown spring, the 141, first spring, the 142, second bullet
Spring, the 151, first bolt, the 152, second bolt, the 161, first auxiliary bolt, the 162, second auxiliary bolt, 171, first passage
Hole, 172, second channel hole, 173, third channel hole, 174, groove, 2, power cylinder tube, 21, power upper chamber, 22, under power
Chamber, 23, power piston, 3, drawing liquid cylinder barrel, 31, drawing liquid upper chamber, 32, drawing liquid lower chambers, 33, drawing liquid piston, 41, under power
Chamber tube, 42, fluid input tube road, 43, power upper chamber pipeline, 5, slider, 51, first fluid channel, 52, second
Body channel, 53, upper floating ball liquid-level switch, 7, piston rod, 71, hollow region, the 81, first check valve, 82, second one-way valve, 9,
Oil pipe, 91, liquid outlet, 101, gas well plug-ging, 102, natural gas outlet, 103, gas collecting tube, 104, casing.
Specific embodiment
A specific embodiment of the invention is described with reference to the accompanying drawing.Since apparatus of the present invention figure is larger, and wherein
Be related to some fine contents, therefore the overall diagram of device be split as Fig. 1, Fig. 2 and Fig. 3, they respectively represent device it is upper in
Lower part；In order to embody the part that three figures are an overall diagrams, three figures have small part overlapping in stitching portion.Fig. 1, Fig. 2
It is device figure when slide valve 11 is moved to top dead centre with Fig. 3 performance, it can be according to the dynamic process of figure very the case where lower dead center
It is readily determined out.Next this three figures are combined to be described.
Oil pipe 9 it is an object of the invention to extract gas well plug-ging 101 out ground, i.e., into figure.And the scheme used is,
Using the natural gas at gas well plug-ging 101 by first fluid channel 51, the power twitched is provided to power piston 23, thus band
Gas well plug-ging 101 is evacuated to oil pipe 9 from the hollow region 71 of piston rod 7 by dynamic drawing liquid piston 33.And how to utilize the dynamic of natural gas
Power drive power piston 23, can especially move back and forth, then is the emphasis of the invention.
Next the device all parts are introduced.The device includes the commutation valve body 1 of hollow columnar, and commutate valve body
1 top is provided with multiple axially aligned and mutually isolated power cylinder tube 2, and a power is provided in each power cylinder tube 2
Piston 23；
Each power cylinder tube 2 is divided into power upper chamber 21 and power lower chambers 22 by each power piston 23, if day
Right gas enters power upper chamber 21, power down will be provided power piston 23, if natural gas enters power lower chambers
22, power up will be provided to power piston 23, this is exactly the mode to commutate in fact, behind we will mention it is specific such as
What is accomplished；In addition, from here it can also be seen that the reason of multiple power cylinder tube 2 are arranged, more because the power that natural gas rises is limited
A power cylinder tube 2 is just capable of providing more power.As can be seen from the figure preferred 3 power cylinder tubes 2.
In addition to the power cylinder tube 2 as power, there are also the drawing liquid cylinder barrels 3 for playing drawing liquid function；It can be seen from the figure that commutation
The lower section of valve body 1 is provided with drawing liquid cylinder barrel 3, and drawing liquid piston 33 is provided in drawing liquid cylinder barrel 3；Drawing liquid piston 33 is by drawing liquid cylinder barrel 3
It is divided into drawing liquid upper chamber 31 and drawing liquid lower chambers 32；As long as a drawing liquid cylinder barrel 3 is arranged in principle.
Does so how liquid release? what the present invention utilized is hollow piston rod 7, and piston rod 7 passes through commutation valve body 1
Middle part and penetrate through each power piston 23 of connection and drawing liquid piston 33；The top of piston rod 7 is pierced by the power positioned at the top
It cylinder barrel 2 and connects, therefore liquid can be finally delivered at this in oil pipe 9；And the bottom end of piston rod 7 is connected to drawing liquid and lives
Plug 33, and drawing liquid lower chambers 32 and the hollow region 71 of piston rod 7 pass through 81 unilaterally connected of the first check valve, in this way,
Liquid in drawing liquid lower chambers 32 can be circulated to hollow region 71；Does so where the liquid of drawing liquid lower chambers 32 come?
It is also connected with and extraneous second one-way valve unilaterally connected (actually at gas well plug-ging 101) in 32 bottom of drawing liquid lower chambers
82, thus the hydrops at gas well plug-ging 101 can be evacuated to drawing liquid lower chambers 32.
In addition to this, offer communicating passage between drawing liquid upper chamber 31 and the hollow region 71 of piston rod 7, this be for
The hydrops at gas well plug-ging 101 is allowed also to be able to enter the chamber, so that drawing liquid piston 33 can move (without taking out
Vacuum).
The problem of commutation will be illustrated next.
Commutation 1 inner wall of valve body is provided with the slide valve 11 being axially movable；Commutation 1 inner wall of valve body has also been vertically embedded into the
One spring 141, second spring 142, and be connected to the first spring 141 and second spring 142 and towards commutation valve body 1 in
The first bolt 151 and the second bolt 152 of axis；
The side wall of slide valve 11 offers the first pin hole and the second pin hole of perforation, and inserts in the first pin hole and second
Pin hole, which is embedded in, is provided with the first auxiliary bolt 161 and the second auxiliary bolt 162, and the first auxiliary bolt 161 and the second auxiliary are inserted
The length of pin 162 and the depth of the first pin hole and the second pin hole respectively correspond identical；
When slide valve 11 is moved to top dead centre, the second bolt 152 can be inserted into 152 hole of the second bolt thus will by elastic force effect
Slide valve 11 is fixed, and the second bolt 152 will push 162 part of the second auxiliary bolt and remove the second pin hole (" part removes "
It can be accomplished by being appropriately arranged with for 142 elastic force of second spring)；When slide valve 11 is moved to lower dead center, the first bolt 151 is by elastic force
For effect the first pin hole of insertion to which slide valve 11 is fixed, 161 part of the first auxiliary bolt removes the first pin hole；
11 inner wall of slide valve is provided with the valve fuse tube 12 being axially movable, in the contact surface of valve fuse tube 12 and slide valve 11
Holddown spring 13 is embedded with to which valve fuse tube 12 can apply axial drag force to slide valve 11 by holddown spring 13；
When valve fuse tube 12 is moved to top dead centre, valve fuse tube 12 pushes the first auxiliary bolt 161 that it is made to be completely embedded into first
Pin hole, the first auxiliary bolt 161 pushes the first bolt 151 to release the fixation of slide valve 11, while slide valve 11 is by compression bullet
The effect of spring 13 is moved to top dead centre, and at this moment slide valve is fixed by the second bolt 152.
When valve fuse tube 12 is moved to lower dead center, valve fuse tube 12 pushes the second auxiliary bolt 162 that it is made to be completely embedded into second
Pin hole, the second auxiliary bolt 162 pushes the second bolt 152 to release the fixation of slide valve 11, while slide valve 11 is by compression bullet
The effect of spring 13 is moved to lower dead center, and at this moment slide valve is fixed by the first bolt 151；
The first passage hole 171 through side wall, the are equidistantly offered along axial direction from top to bottom in the side wall of commutation valve body 1
Two access openings 172, third channel hole 173；And it can be seen that first passage hole 171 is in other side, but it also completely may be used
To be placed on the place with other two access opening sides, this has no effect on its function, as long as subsequent groove 174 can be by first
Access opening 171 and second channel hole 172 connect, and are placed in addition for the easy for installation of power upper chamber pipeline 43 here
On one side；
First passage hole 171 is connected to power lower chambers 22 by pipeline (the power lower chambers pipeline 41 in figure)；Third
Access opening 173 is connected to power upper chamber 21 by pipeline (the power upper chamber pipeline 43 in figure)；Second channel hole 172 with mention
It is provided from fluid input tube road 42 (this is for the natural gas that the circulates) connection for taking out pump power.
It is equipped with groove 174 in 11 outer wall of slide valve, and it can be seen that with groove 174 with respect to the symmetrical position of axis
There are one grooves, and actually they are connections, and in other words, groove 174 is actually a cricoid slot, only in section
In figure, groove 174 presents symmetrical two；
When slide valve 11 is moved to top dead centre, first passage hole 171 is connected to second channel hole 172 by groove 174；When
When slide valve 11 is moved to lower dead center, second channel hole 172 is connected to third channel hole 173 by groove 174；
When drawing liquid piston 33 is moved to top dead centre, valve fuse tube 12 is moved to top dead centre, slide valve by the promotion of drawing liquid piston 33
11 move to top dead centre, so that natural gas is delivered to power upper chamber 21 by first passage hole 171, power piston 23 is past
It moves down；When power piston 23 is moved to lower dead center, valve fuse tube 12 is moved to lower dead center by the promotion of power piston 23, slide valve 11 with
Be moved to lower dead center, so that natural gas is delivered to power lower chambers 22 by third channel hole 173, drawing liquid piston 33 is up
It moves；So in cycles.
The other component of the device will be illustrated next.
It is additionally provided with slider 5 around drawing liquid cylinder barrel 3 and close to commutation valve body 1, the outer diameter of slider 5 is greater than commutation valve body
1 outer diameter, the valve body 1 that can guarantee to commutate in this way there are also vacant spaces for outside；Gas collecting tube is additionally provided with around the device
103, gas collecting tube 103 and slider 5 are tightly connected to insulate whole device for upper and lower two parts, and lower part is mainly placed in
Gas well plug-ging 101 is simultaneously mainly used for drawing liquid, and top is used to commutate, power transmission, collects hydrops and natural gas etc.；It is known that
The bottom of gas collecting tube 103 be it is wide-open, to extract gas well plug-ging 101；And the top of gas collecting tube 103 has a natural gas
Outlet 102, to collect natural gas；The outside of gas collecting tube 103 is also arranged with casing 104.
In order to allow natural gas to circulate, the first fluid for offering connection 5 two sides of slider respectively in slider 5 is logical
Road 51 and second fluid channel 52, first fluid channel 51 are connect with fluid input tube road 42, in this way if drawing liquid process
In there is leakage or gas condensation to drop onto the top of slider 5 and reach sufficiently high liquid level, upper floating ball liquid-level switch 53
It can be turned on for liquid to be directed back to where original gas well plug-ging 101.
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 within the technical scope of the present disclosure, 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 (7)
1. a kind of gas well pressure takes out pump certainly, which is characterized in that the commutation valve body including hollow columnar, the commutation valve body top are set
It is equipped with multiple axially aligned and mutually isolated power cylinder tube, a power piston is provided in each power cylinder tube；
Each power cylinder tube is divided into power upper chamber and power lower chambers by each power piston；
It is provided with drawing liquid cylinder barrel below the commutation valve body, is provided with drawing liquid piston in the drawing liquid cylinder barrel；The drawing liquid is living
The drawing liquid cylinder barrel is divided into drawing liquid upper chamber and drawing liquid lower chambers by plug；
The middle part of the commutation valve body passes through a hollow piston rod, and the piston rod perforation connects each power piston
With the drawing liquid piston；The top of the piston rod is pierced by the power cylinder tube positioned at the top, the bottom end connection of the piston rod
In the drawing liquid piston；Communicating passage is offered between the drawing liquid upper chamber and the hollow region of the piston rod；The pumping
Liquid lower chambers and the hollow region of the piston rod pass through the first check valve unilaterally connected；
The commutation valve interior wall is provided with the slide valve being axially movable；The commutation valve interior wall has also been vertically embedded into
One spring, second spring, and it is connected to first spring and second spring and towards the commutation valve body central axes
The first bolt and the second bolt；The side wall of the slide valve offers the first pin hole and the second pin hole of perforation, and in institute
It states the first pin hole and second pin hole is embedded in and is provided with the first auxiliary bolt and the second auxiliary bolt, described first is auxiliary
The length of bolt and second auxiliary bolt and the depth of first pin hole and second pin hole is helped to respectively correspond
It is identical；
When the slide valve is moved to top dead centre, second bolt is inserted into second pin hole thus by institute by elastic force effect
It states slide valve to fix, second auxiliary bolt part removes second pin hole；When the slide valve is moved to lower dead center, institute
It states the first bolt and is inserted into first pin hole to the slide valve be fixed, first auxiliary bolt part by elastic force effect
Remove first pin hole；
The slide valve inner wall is provided with the valve fuse tube being axially movable, in the contact surface of the valve fuse tube and the slide valve
Holddown spring is embedded with to which the valve fuse tube can apply axial drag force to the slide valve by the holddown spring；
When the valve fuse tube is moved to top dead centre, it is described that the valve fuse tube pushes first auxiliary bolt to be completely embedded into it
First pin hole, first auxiliary bolt push first bolt to release the fixation of the slide valve, while the cunning
Valve is moved to top dead centre by holddown spring effect；
When the valve fuse tube is moved to lower dead center, it is described that the valve fuse tube pushes second auxiliary bolt to be completely embedded into it
Second pin hole, second auxiliary bolt push second bolt to release the fixation of the slide valve, while the cunning
Valve is moved to lower dead center by holddown spring effect；
The first passage hole through the side wall, the are equidistantly offered along axial direction from top to bottom in the side wall of the commutation valve body
Two access openings and third channel hole；The first passage hole is connected to the power upper chamber by pipeline；The third channel
Hole is connected to the power lower chambers by pipeline；The second channel hole and offer are described from the fluid input tube for taking out pump power
Road connection；
The slide valve outer wall opens up fluted；
When the slide valve is moved to top dead centre, the first passage is connected to the second channel by the groove；Work as institute
When stating slide valve and being moved to lower dead center, the second channel is connected to the third channel by the groove；
When the drawing liquid piston is moved to top dead centre, the valve fuse tube is moved to top dead centre by drawing liquid piston promotion；When
When the power piston is moved to lower dead center, the valve fuse tube is moved to lower dead center by power piston promotion；
It is additionally provided with slider around the drawing liquid cylinder barrel and close to the commutation valve body, the outer diameter of the slider is greater than described
The outer diameter of commutation valve body；Offer the first fluid channel for being connected to the slider two sides in the slider respectively, described
One fluid channel is connect with the fluid input tube road.
2. gas well pressure takes out pump certainly according to claim 1, which is characterized in that the power cylinder tube is arranged three.
3. gas well pressure takes out pump certainly according to claim 1, which is characterized in that the piston rod part is connected with oil pipe.
4. according to claim 1 or the 3 gas well pressure take out pump certainly, which is characterized in that it is equal to be additionally provided with both ends around the device
Gas collecting tube with opening, the gas collecting tube and the slider are tightly connected.
5. gas well pressure takes out pump certainly according to claim 4, which is characterized in that be also arranged with casing outside the gas collecting tube.
6. gas well pressure takes out pump certainly according to claim 1, which is characterized in that drawing liquid lower chambers bottom passes through with the external world
Second one-way valve connection.
7. gas well pressure takes out pump certainly according to claim 1, which is characterized in that be also provided with described in connection in the slider
The second fluid channel of slider two sides, the second fluid channel are opened by being located at the upper floating ball liquid level above the slider
It closes control circulation or closes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811388708.3A CN109667749B (en) | 2018-11-21 | 2018-11-21 | Gas well pressure self-pumping pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811388708.3A CN109667749B (en) | 2018-11-21 | 2018-11-21 | Gas well pressure self-pumping pump |
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| Publication Number | Publication Date |
|---|---|
| CN109667749A true CN109667749A (en) | 2019-04-23 |
| CN109667749B CN109667749B (en) | 2020-04-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811388708.3A Active CN109667749B (en) | 2018-11-21 | 2018-11-21 | Gas well pressure self-pumping pump |
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| WO2009023853A1 (en) * | 2007-08-15 | 2009-02-19 | Schlumberger Canada Limited | Flapper gas lift valve |
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| CN104454477A (en) * | 2014-12-04 | 2015-03-25 | 中国石油天然气股份有限公司 | Sealing device for electric submersible reciprocating pump oil-production system |
| CN107165603A (en) * | 2015-06-19 | 2017-09-15 | 刘玉友 | A kind of oil field layered priming device |
| CN204961255U (en) * | 2015-07-17 | 2016-01-13 | 盐城市佳鑫石化机械制造有限公司 | Switching -over valve and use this switching -over valve novelly prevent grinding partially hydraulic oil production device |
| CN106401925A (en) * | 2016-12-12 | 2017-02-15 | 廖嘉炜 | Downhole gas-liquid transduction booster pump |
| CN107120099A (en) * | 2017-06-02 | 2017-09-01 | 四川瑞晟石油设备开发有限公司 | A kind of Full-automatic drainage gas recovery facility |
| CN207960579U (en) * | 2018-03-09 | 2018-10-12 | 中国石油大学(华东) | A kind of preset tubing string pneumatic type drainage gas production tool |
| CN108468639A (en) * | 2018-05-29 | 2018-08-31 | 南京聚源隆能源科技有限公司 | A kind of well liquid drives the automatic reversing apparatus of reciprocal reciprocating oil pumping system |
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