CN109723412B - Injection allocation device - Google Patents
Injection allocation device Download PDFInfo
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- CN109723412B CN109723412B CN201811571586.1A CN201811571586A CN109723412B CN 109723412 B CN109723412 B CN 109723412B CN 201811571586 A CN201811571586 A CN 201811571586A CN 109723412 B CN109723412 B CN 109723412B
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- 238000002347 injection Methods 0.000 title abstract description 19
- 239000007924 injection Substances 0.000 title abstract description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 52
- 238000009434 installation Methods 0.000 claims abstract description 9
- 239000007788 liquid Substances 0.000 claims description 40
- 238000007789 sealing Methods 0.000 claims description 17
- 125000006850 spacer group Chemical group 0.000 claims description 10
- 230000000694 effects Effects 0.000 claims description 9
- 210000000664 rectum Anatomy 0.000 claims description 9
- 230000009471 action Effects 0.000 claims description 4
- 238000003801 milling Methods 0.000 claims description 3
- 239000002332 oil field water Substances 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 7
- 230000008859 change Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910000881 Cu alloy Inorganic materials 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 230000004044 response Effects 0.000 description 1
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- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
The invention belongs to the field of oilfield water injection tools, and particularly relates to an injection allocation device which comprises an upper connector, an upper cylinder, an adapter, a lower cylinder, an installation main body, a lower connector, an upper central pipe and a lower central pipe, wherein the upper connector, the upper cylinder, the adapter, the lower cylinder, the installation main body and the lower connector are sequentially connected through threads from top to bottom to form a shell of the injection allocation device, the upper end of the upper central pipe is inserted into the upper connector, an air pipe connected to the adapter penetrates through the installation main body and the lower connector and then leads to the outer side of the injection allocation device, two ends of the lower central pipe are respectively inserted between the adapter and the installation main body, a control valve assembly is arranged in an annular space, and a water nozzle assembly is. Compared with a mechanical injection allocation device, the invention does not need to pull tools down during water allocation, greatly reduces the operation cost, and has better working stability and higher reliability because of no strict working condition requirement compared with an electric control injection allocation device.
Description
Technical field
The invention belongs to oil-field flooding field of tool more particularly to a kind of distributors.
Background technique
Distributor is common a kind of downhole tool in tertiary oil production in oil field technique, and function is the polymer to each reservoir
Injection rate is adjusted, volume increase purpose is better achieved.Currently, the distributor used in oil field is mostly Purely mechanical knot
Structure after this distributor installs, needs to take out the blanking plug in distributor by underground work mode, passes through replacement
In blanking plug the mode of water nozzle come achieve the purpose that adjust injection rate, this adjustment mode implement when it occur frequently that throw in catcher card
Extremely, pulling success rate is lower, seriously affects operating efficiency.
In addition, in the prior art there are also a kind of automatically controlled distributor, in use, by cable by ground cable and underground
Distributor connection, the aperture of water nozzle is adjusted to suitable value by motor and realizes the accurate adjustment to injection rate.However
There are obvious shortcomings for this distributor: the electric part in this distributor needs to be fully mounted at closed, dry, waterproof sky
In, therefore it is more demanding to the sealing performance of distributor inner seal structure, in addition, the higher temperature in underground is in distributor
The high temperature resistance requirement of electric elements is very high, and many circuit elements are easy to damage at high temperature.As it can be seen that the electricity of automatically controlled distributor
It is poor to control system stability.
Therefore, it is necessary to which it is low poor with stability to solve existing distributor operating efficiency to design a kind of novel distributor
The problem of.
Summary of the invention
The present invention provides a kind of distributor, to solve the problems mentioned in the above background technology.
Technical problem solved by the invention is realized using following technical scheme:
The present invention includes top connection, upper cylinder, adapter, lower cylinder, mounting body, lower contact, upper center tube and lower center tube,
Top connection, upper cylinder, adapter, lower cylinder, mounting body and lower contact from top to bottom pass sequentially through threaded connection, thus described in being formed
The shell of distributor, the upper end of the upper center tube are inserted into top connection, and the lower end of upper center tube, which is threadedly attached in, to be turned
On connector, to form an annular space between upper center tube and upper cylinder, gas circuit converter is installed in the annular space,
Gas circuit converter is fixed on upper center tube by jackscrew；
Straight line air flue, the upper surface of top connection and the lower end surface of lower contact are provided in the top connection and adapter
On be respectively connected with tracheae corresponding with straight line air flue, wherein be connected to tracheae on adapter and pass through mounting body and lower contact
After lead on the outside of the distributor,
The both ends of the lower center tube are inserted between adapter and mounting body respectively, thus in lower center tube under
An annular space is formed between cylinder, is provided with control valve group in the annular space, is provided with water in the mounting body
Nozzle assembly；
Control valve group, structure include control valve seat, plug, ball seat, ball sealer, spring A, spring B, piston bush, work
Plug and erection joint, control valve seat, plug, ball seat and piston bush center be provided with the through-hole for air guide, control valve seat
It is threadedly attached on adapter, plug is threadedly attached on ball seat spring A and ball sealer being encapsulated in ball seat
It is interior, it is provided in ball seat and is against sealing cone under the elastic force effect of spring A with the matched sealing cone of ball sealer, ball sealer
On, to make the through-hole one-way conduction in ball seat center, the upper end of the ball seat is slided together together with the plug to be inserted into
It in the circular hole of control valve seat bottom, is sealed between the outside of plug and the hole wall of the circular hole by sealing ring, the spring B is held
It is contained in the seam allowance of the piston set upper side, the movement tendency that ball seat keeps up under the elastic force effect of spring B, in control valve
Seat lower end, on ball seat with the gap for air guide, the bottom of the ball seat are provided with around control valve seat plugging position
Portion and the gap are correspondingly arranged on the through-hole for air guide, the lower end of the piston bush be threadably secured be connected to it is described
Erection joint on, the lower end of erection joint, which is threadably secured, to be connected in the mounting body to fix piston bush
It is mounted in mounting body, the piston is slidably mounted in the seam allowance of piston bush lower end；
Water nozzle component, water nozzle component are mounted in the axially mounted hole in mounting body, structure include valve rod, water nozzle,
Spacer, key seat and support sleeve, valve rod are an integral structure, including three sections, are from top to bottom referred to as A sections of valve rod, valve rod B
Section and valve rod C section, A sections of the valve rod centers for being through the erection joint, the upper end that A sections of valve rod be fixedly connected on described in piston
On, B sections and valve rod C sections of valve rod are encapsulated in the mounting body by the erection joint, the spacer, key seat and branch
Support set is successively packed into the axially mounted hole by the downside of mounting body, wherein spacer and key seat and described B sections of valve rod
Corresponding, the two sides up and down of key seat are provided with thrust bearing, are fixedly installed with guide pin on the key seat, B sections of valve rod outer
Side and guide pin are correspondingly arranged on the guide slide for controlling valve rod axial position, and valve rod C sections of the outer sheath is used for
Valve rod is set to keep up the spring C of movement tendency, the water nozzle is fixedly mounted on C sections of valve rod of lower end, the installation master
Liquid pass hole is radially offered on body and on support sleeve, is correspondingly arranged on the ring for crossing liquid on the water nozzle with the liquid pass hole
Shape crosses liquid bath, and annular is crossed there are three liquid baths, and the cross-sectional area that each annular crosses liquid bath is different, and the support sleeve passes through lower contact pressure
In mounting body；
The upper and lower ends of the lower cylinder are connect by oppositely oriented screw thread with adapter and mounting body respectively；
The structure of the gas circuit converter includes switch main body and end cap, and end cap is sleeved on upper center tube, end cap
Upside be provided with step, end cap is threadedly attached in the lower end of switch main body, and forms annular at the step
Air flue radially offers blind hole in the switch main body, and being fitted in blind hole can slide along the axis direction of blind hole
Switch sliding block, and blocked by sealing plate, is switched by a spring D connection between sliding block and the sealing plate, switching sliding block is
One centre has the cylindrical-shaped structure of annular groove, and the two sides of the annular groove with the hole wall palette of the blind hole, are converted
The upside of device main body and the switching sliding block are correspondingly arranged on an air inlet, the downside of switch main body and the switching sliding block
Venthole there are two being correspondingly arranged, is referred to as venthole A and venthole B, venthole A is connected to the downside of the end cap, out
Stomata B is connected to the annular air channel, and the downside of the end cap is also connected with a tracheae, and the other end of the tracheae passes through institute
State the upper end that control valve seat is connected to after adapter.
The guide slide is processed by way of Milling Process on B sections of valve rod of cylindrical surface, the knot of guide slide
Structure includes guide pin entrance, dead point A, dead point B, dead point C, dead point D, dead point E, dead point F and dead point G, when guide pin is located at dead point
A, dead point B and dead point C, it is corresponding that the liquid pass hole crosses liquid bath with three annulars on the water nozzle respectively, that is to say, that dead point
A, dead point B and dead point C respectively corresponds three different liquid latus rectums excessively of water nozzle, valve rod first time downlink, and guide pin is slided along guiding
Road is moved to dead point D, later valve rod first time uplink under spring C effect, and after valve rod first time uplink, guide pin is slided along guiding
Road is moved to dead point A, and so on, after the reciprocating motion next time of valve rod, guide pin is moved to dead point along guide slide
B, after the moving back and forth again of valve rod next time, guide pin is moved to dead point C along guide slide, by valve rod again next time
After reciprocating motion, guide pin is moved to guide pin inlet along guide slide；
The axial spacing of the dead point A and dead point B are equal with the axial spacing between dead point B and dead point C.
The guide slide altogether there are two, respectively correspond on the key seat with two guide slides and be provided with one and lead
To pin.
The invention has the benefit that
1, the present invention drives the water nozzle in distributor to act using pneumatic mode, compared with mechanical distributor, water distribution
Shi Buyong removes tool, and operating cost substantially reduces, compared with automatically controlled distributor, due to not stringent working condition requirement,
Better working stability, reliability are higher.
2, built-in compact-sized, the novel gas circuit converter of the present invention, by putting into electromagnet into well can be to gas circuit
Switch over, under conventional sense, switch sliding block on annular groove be aligned with venthole B, venthole B is blocked at this time, gas by
Venthole A flows out the same level tool to next stage tool, and gas flows directly into next stage tool without to the piston in the same level tool
Apply driving force, i.e. the same level tool is failure to actuate, when needing to be adjusted certain level-one tool, can be transferred from well one it is small-sized
Electromagnet drives the switching sliding block to act by electromagnetic force, blocks switching sliding block by venthole A, at this point, gas
Body enters the annular air channel via venthole B, then enters above piston via the tracheae being connected on control valve seat, from
And push piston action.Therefore, the present invention can control the switch of each layer position when multilayer fills the water, to realize the multiple injections of adjustment
The purpose of the injection rate of layer position.
3, the present invention devises the guide slide of special construction, drives piston and valve rod to move back and forth by pneumatic mode,
Water nozzle can be adjusted to different location, liquid latus rectum was enable to change, to realize the accurate adjustment to water injection rate.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention；
Fig. 2 is the partial enlarged view in Fig. 1 at A；
Fig. 3 is the structural schematic diagram of gas circuit converter when not applying electromagnetic driving force；
Fig. 4 is the plane outspread drawing on B sections of outsides of valve rod cylindrical surface；
Fig. 5 is control valve seat bottom surface structure schematic diagram；
Fig. 6 is the assembling structure schematic diagram of ball seat extremely inner body；
Fig. 7 is the structural schematic diagram of first half in Fig. 2；
Fig. 8 is the structural schematic diagram of latter half in Fig. 2；
Fig. 9 is the structural schematic diagram of gas circuit converter when applying electromagnetic driving force.
In figure: 1- top connection, the upper cylinder of 2-, 3- adapter, cylinder under 4-, 5- mounting body, 6- lower contact, 7- lower center tube,
8- upper center tube, 9- air flue, 10- gas circuit converter, 11- tracheae, 12- control valve seat, 13- plug, 14- ball seat, 15- sealing
Ball, 16- spring A, 17- spring B, 18- piston bush, 19- piston, 20- erection joint, A sections of 21- valve rod, B sections of 22- valve rod, 23-
C sections of valve rod, 24- spacer, 25- guide, 26- spring C, 27- support sleeve, 28- water nozzle, 29- liquid pass hole, 30- annular crosses liquid bath,
31- guide pin, 32- guide pin entrance, the dead point 33- A, 34- dead point B, the dead point 35- C, 36- dead point D, the dead point the 37- dead point E, 38-
The dead point F, 39- G, 40- gap, 41- thrust bearing, 42- electromagnet.
In Fig. 1, left end is upper end of the invention, and right end is lower end of the invention；
It is the direction that gas flows through in Fig. 3 and Fig. 9, shown in arrow.
Specific embodiment
The present invention is described further below in conjunction with attached drawing:
The present invention include top connection 1, upper cylinder 2, adapter 3, lower cylinder 4, mounting body 5, lower contact 6, upper center tube 8 and under
Central tube 7, top connection 1, upper cylinder 2, adapter 3, lower cylinder 4, mounting body 5 and lower contact 6 from top to bottom pass sequentially through screw thread company
It connects, to form the shell of the distributor.
The upper end of the upper center tube 8 is inserted into top connection 1, and the lower end of upper center tube 8 is threadedly attached in switching
On first 3, to form an annular space between upper center tube 8 and upper cylinder 2, gas circuit converter is installed in the annular space
10, gas circuit converter 10 is fixed on upper center tube 8 by jackscrew；
It is provided with straight line air flue 9 in the top connection 1 and adapter 3, the upper surface of top connection 1 and lower contact 3
Tracheae 11 corresponding with straight line air flue 9 is respectively connected on lower end surface, wherein the tracheae 11 being connected on adapter 3 passes through installation
Lead to the outside of the distributor after main body 5 and lower contact 6.Gas circuit converter 10 will separate two into gas of the invention and select
Gas is drawn the present invention by the access of one conducting, an access, another access leads to gas at piston 19.
The both ends of the lower center tube 7 are inserted into respectively between adapter 3 and mounting body 5, thus in lower center tube 7
An annular space is formed between lower cylinder 4, is provided with control valve group in the annular space.Control valve group makes to enter this hair
Bright gas could discharge after reaching certain pressure to 19 upside of piston, in this way, gas release moment can generate wink to piston 19
Between motive force, make 19 quick acting of piston, advantageously ensure that valve rod by quick backup in place, prevent because cross liquid latus rectum switched slowly
The water filling of other water filling layer positions is impacted.
Water nozzle component is provided in the mounting body 5, effect is adjusted to the effective drift diameter at liquid pass hole 29
It is whole, have reached the purpose of adjustment injection rate.
Control valve group, structure include control valve seat 12, plug 13, ball seat 14, ball sealer 15, spring A16, spring
B17, piston bush 18, piston 19 and erection joint 20.Control valve seat 12, plug 13, ball seat 14 and piston bush 18 center be all provided with
It is equipped with the through-hole for air guide, control valve seat 12 is threadedly attached on adapter 3, and plug 13 is threadedly attached in ball seat
To which spring A16 and ball sealer 15 to be encapsulated in ball seat 14 on 14, it is provided in ball seat 14 and the matched sealing of ball sealer 15
The conical surface, ball sealer 15 is against on sealing cone under the elastic force effect of spring A16, so that the through-hole in the center of ball seat 14 be made unidirectionally to lead
It is logical.
Slide the circular hole for being inserted into 12 bottom of control valve seat together together with the plug 13 in the upper end of the ball seat 14
It is interior, it is sealed between the outside of plug 13 and the hole wall of the circular hole by sealing ring, the spring B 17 is contained in the piston bush
In the seam allowance of 18 upper ends, the movement tendency that ball seat 14 keeps up under the elastic force effect of spring B 17, under control valve seat 12
End, on ball seat 14 with the gap 40 for air guide is provided with around 12 plugging position of control valve seat, the ball seat 14
Bottom and the gap 40 are correspondingly arranged on the through-hole for air guide.
The lower end of the piston bush 18, which is threadably secured, to be connected in the erection joint 20, erection joint 20
Lower end, which is threadably secured, to be connected to which piston bush 18 to be fixedly mounted in mounting body 5 in the mounting body 5, institute
The piston 19 stated is slidably mounted in the seam allowance of 18 lower end of piston bush.
Water nozzle component, water nozzle component are mounted in the axially mounted hole in mounting body 5, and structure includes valve rod, water nozzle
28, spacer 24, key seat 25 and support sleeve 27.Valve rod is an integral structure, including three sections, is from top to bottom referred to as valve rod
A section 21, valve rod B section 22 and valve rod C section 23, valve rod A section 21 are through the center of the erection joint 20, for connecting with piston 19
It connects, the upper end of valve rod A section 21 is fixedly connected on the piston 19, and valve rod B section 22 and valve rod C section 23 are connect by the installation
First 20 are encapsulated in the mounting body 5.
Spacer 24, key seat 25 and the support sleeve 27 is successively packed by the downside of mounting body 5 described axially mounted
In hole, wherein spacer 24 and key seat 25 are corresponding with the valve rod B section 22, and the effect of spacer 24 is to be supported on key seat 25
Required axial position.
The two sides up and down of key seat 25 are provided with thrust bearing 41, are fixedly installed with guide pin 31, valve on the key seat 25
The outside of bar B section 22 and guide pin 31 are correspondingly arranged on the guide slide for controlling valve rod axial position.Valve rod axial movement
When, axial motionless key seat 25 rotates under the action of guide slide and guide pin 31, and the setting of thrust bearing 41 reduces and turns
Dynamic resistance ensure that the fluency of rotation.
The outer sheath of the valve rod C section 23 has for making valve rod keep up the spring C26 of movement tendency, to guarantee gas
Body pressure, which removes rear water nozzle 28, to be resetted upwards.
The water nozzle 28 is fixedly mounted on the lower end of valve rod C section 23, edge in the mounting body 5 and on support sleeve 27
Radial direction offers liquid pass hole 29, and the annular being correspondingly arranged on the liquid pass hole 29 for crossing liquid on the water nozzle 28 crosses liquid bath
30.When water filling, the water in water injection string enters in stratum after liquid pass hole 29 and annular cross liquid bath 30.
Annular is crossed there are three liquid baths 30, and the cross-sectional area that each annular crosses liquid bath 30 is different, under the support sleeve 27 passes through
Connector 6 is fitted in mounting body 5.Water nozzle 28 is adjusted to different location, liquid latus rectum was enable to change, it can be achieved that water filling
The accurate adjustment of amount.
The upper and lower ends of the lower cylinder 4 are connect by oppositely oriented screw thread with adapter 3 and mounting body 5 respectively.
Such design, it is ensured that the smooth assembly of control valve group and water nozzle component.When assembly, holding is not rotated, and is then turned down
Cylinder 4, adapter 3 and mounting body 5 can link together three.
The structure of the gas circuit converter 10 includes switch main body 10-1 and end cap 10-2, and end cap 10-2 is sleeved on
On central tube 8, step is provided on the upside of end cap 10-2, end cap 10-2 is threadedly attached under switch main body 10-1
End, and annular air channel 10-3 is formed at the step, blind hole 10- is radially offered on the switch main body 10-1
It is fitted with the switching sliding block 10-7 that can be slided along the axis direction of blind hole 10-9 in 9, blind hole 10-9, and is sealed by sealing plate 10-10
It is stifled, switch by a spring D10-6 connection between the sliding block 10-7 and sealing plate 10-10, switching sliding block 10-7 is one
Centre has the cylindrical-shaped structure of annular groove, hole wall palette of the two sides of the annular groove with the blind hole 10-9, conversion
The upside of device main body 10-1 and the switching sliding block 10-7 are correspondingly arranged on an air inlet 10-8, under switch main body 10-1
Side and the switching sliding block 10-7 be correspondingly arranged there are two venthole, be referred to as venthole A10-4 and venthole B10-5, out
Stomata A10-4 is connected to the downside of the end cap 10-2, and venthole B10-5 is connected to the annular air channel 10-3, the end
The downside of lid 10-2 is also connected with a tracheae 11, and the other end of the tracheae 11 is connected to control valve after passing through the adapter 3
The upper end of seat 12.
Compact-sized, novel gas circuit converter 10 of the invention built-in, passes through and puts into 42 (electromagnet of electromagnet into well
42 are suspended on cable lower G.I.H) gas circuit can be switched over, under conventional sense, switch sliding block 10-7 on annular groove with
Venthole B10-5 alignment, venthole B10-5 is blocked at this time, and gas flows out the same level tool to next stage work by venthole A10-4
Tool, gas flow directly into next stage tool without applying driving force to the piston 19 in the same level tool, i.e. the same level tool is failure to actuate,
When needing to be adjusted certain level-one tool, an electromagnet 42 is transferred from well, is driven by electromagnetic force described
Switching sliding block 10-7 movement, make switch sliding block 10-7 venthole A10-4 is blocked, at this point, gas via venthole B10-5 into
Enter the annular air channel 10-3, then enters 19 top of piston via the tracheae 11 being connected on control valve seat 12, to push away
Piston 19 acts.Therefore, the present invention can control the switch of each layer position when multilayer fills the water, to realize the multiple implanted layers of adjustment
The purpose of the injection rate of position.
It should be noted that in order to guarantee the smoothly driving switching sliding block 10-7 of electromagnet 42, upper center tube 8, converter master
Body 10-1 and end cap 10-2, it is necessary to be made of un-conducted magnetic material, such as copper alloy.
In the present invention, the adjustment for crossing liquid latus rectum is the core of accurate adjustment water injection rate, for adjusting this function of injection rate,
Mentality of designing of the invention is: being moved by the reset response of pneumatic mode and spring come driving stem and water nozzle 28, makes water nozzle
28 reach multiple fixed points position under the driving of reciprocating motion, to realize the adjustment of liquid latus rectum.Based on above-mentioned design
The design of thinking, guide slide is particularly critical.
In the present invention, the guide slide is processed by way of Milling Process on the cylindrical surface in valve rod B section 22,
The structure of guide slide includes guide pin entrance 32, dead point A33, dead point B34, dead point C35, dead point D36, dead point E37, dead point
F38 and dead point G39, when guide pin is located at dead point A33, dead point B34 and dead point C35, the liquid pass hole 29 respectively with it is described
It is corresponding that three annulars on water nozzle 28 cross liquid bath 30, that is to say, that dead point A33, dead point B34 and dead point C35 respectively correspond water nozzle
Three of 28 different liquid latus rectum, valve rod first time downlink, guide pin 31 excessively are moved to dead point D36, Zhi Houfa along guide slide
Bar first time uplink under the action of spring C26, after valve rod first time uplink, guide pin 31 is moved to dead point along guide slide
A33, and so on, after the reciprocating motion next time of valve rod, guide pin 31 is moved to dead point B34 along guide slide, passes through
After the reciprocating motion next time again of valve rod, guide pin 31 is moved to dead point C35 along guide slide, by the next time past again of valve rod
After multiple movement, guide pin 31 is moved at guide pin entrance 32 along guide slide.Position shown in the figure, guide pin 31 are respectively positioned on
At guide pin entrance 32.In addition, the present invention devises the guide slide of special construction, piston 19 and valve are driven by pneumatic mode
Bar moves back and forth, and can adjust water nozzle 28 to different location, liquid latus rectum was enable to change, to realize to the accurate of water injection rate
Adjustment.
The axial spacing of the dead point A33 and dead point B34 are equal with the axial spacing between dead point B34 and dead point C35
(axial spacing herein is the distance a) in figure, to guarantee that the annular crosses liquid bath 30 and liquid pass hole 29 completely to just.
There are two the guide slide is total, is respectively corresponded on the key seat 25 with two guide slides and be provided with one
Guide pin 31.Two guide slides can make the movement of valve rod more stable.
The present invention drives the water nozzle 28 in distributor to act using pneumatic mode, compared with mechanical distributor, water distribution
Shi Buyong removes tool, and operating cost substantially reduces, compared with automatically controlled distributor, due to not stringent working condition requirement,
Better working stability, reliability are higher.When installation, by tracheae by the air pump and 11 phase of tracheae of upper end of the present invention on ground
Company and complete well, when needing to adjust, the adjusting of water nozzle 28 is can be realized in the pump gas opportunity that need to only control air pump.
Claims (3)
1. a kind of distributor, it is characterised in that: including top connection (1), upper cylinder (2), adapter (3), lower cylinder (4), mounting body
(5), lower contact (6), upper center tube (8) and lower center tube (7), top connection (1), upper cylinder (2), adapter (3), lower cylinder (4), peace
Dress main body (5) and lower contact (6) from top to bottom pass sequentially through threaded connection, so that the shell of the distributor is formed, it is described
The upper end of upper center tube (8) is inserted into top connection (1), and the lower end of upper center tube (8) is threadedly attached on adapter (3),
To form an annular space between upper center tube (8) and upper cylinder (2), gas circuit converter is installed in the annular space
(10), gas circuit converter (10) is fixed on upper center tube (8) by jackscrew；In the top connection (1) and adapter (3)
It is provided with straight line air flue (9), is respectively connected with and straight line air flue (9) on the upper surface of top connection (1) and the lower end surface of lower contact (3)
Corresponding tracheae (11), wherein the tracheae (11) being connected on adapter (3) passes through mounting body (5) and lower contact (6) is led to afterwards
To the outside of the distributor；
The both ends of the lower center tube (7) are inserted into respectively between adapter (3) and mounting body (5), thus at lower center
It manages and forms an annular space between (7) and lower cylinder (4), be provided with control valve group, the installation master in the annular space
Water nozzle component is provided in body (5)；
Control valve group, structure include control valve seat (12), plug (13), ball seat (14), ball sealer (15), spring A (16),
Spring B (17), piston bush (18), piston (19) and erection joint (20), control valve seat (12), plug (13), ball seat (14) and
The center of piston bush (18) is provided with the through-hole for air guide, and control valve seat (12) is threadedly attached on adapter (3),
Plug (13) is threadedly attached on ball seat (14) to which spring A (16) and ball sealer (15) to be encapsulated in ball seat (14),
Be provided in ball seat (14) with ball sealer (15) matched sealing cone, ball sealer (15) is under the elastic force effect of spring A (16)
It is against on sealing cone, to make the through-hole one-way conduction in ball seat (14) center, the upper end of the ball seat (14) is together with described
Plug (13) slide be inserted into the circular hole of control valve seat (12) bottom together, the outside of plug (13) and the hole wall of the circular hole
Between sealed by sealing ring, the spring B (17) is contained in the seam allowance of the piston bush (18) upper end, and ball seat (14) exists
The movement tendency that keeps up under the elastic force effect of spring B (17), in the lower end of control valve seat (12), on ball seat (14) with control
The gap (40) for air guide is provided with around valve seat (12) plugging position processed, the bottom of the ball seat (14) is slitted with described
Mouthful (40) are correspondingly arranged on the through-hole for air guide, the lower end of the piston bush (18) be threadably secured be connected to it is described
In erection joint (20), the lower end of erection joint (20), which is threadably secured, to be connected in the mounting body (5) thus will
Piston bush (18) is fixedly mounted on mounting body (5), and the piston (19) is slidably mounted on stopping for piston bush (18) lower end
In mouthful；
Water nozzle component, water nozzle component are mounted in the axially mounted hole in mounting body (5), and structure includes valve rod, water nozzle
(28), spacer (24), key seat (25) and support sleeve (27), valve rod is an integral structure, including three sections, is from top to bottom distinguished
Referred to as valve rod A sections (21), B sections of valve rod (22) and C sections of valve rod (23), A sections of valve rod (21) are through in the erection joint (20)
Centre, the upper end of valve rod A sections (21) are fixedly connected on the piston (19), and B sections of valve rod (22) and C sections of valve rod (23) described
Erection joint (20) be encapsulated in the mounting body (5), spacer (24), key seat (25) and the support sleeve (27) according to
The secondary downside by mounting body (5) is packed into the axially mounted hole, wherein spacer (24) and key seat (25) and the valve
B sections of bar (22) corresponding, and the two sides up and down of key seat (25) are provided with thrust bearing (41), is fixedly mounted on the key seat (25)
Have guide pin (31), outside and the guide pin (31) of valve rod B sections (22) are correspondingly arranged on for controlling leading for valve rod axial position
To slideway, the outer sheath of valve rod C sections (23) has for making valve rod keep up the spring C (26) of movement tendency, described
Water nozzle (28) is fixedly mounted on the lower end of valve rod C sections (23), radially opens in the mounting body (5) and on support sleeve (27)
Equipped with liquid pass hole (29), it is correspondingly arranged on the water nozzle (28) with the liquid pass hole (29) and crosses liquid bath for crossing the annular of liquid
(30), annular is crossed there are three liquid bath (30), and the cross-sectional area that each annular crosses liquid bath (30) is different, and the support sleeve (27) passes through
Lower contact (6) is fitted in mounting body (5)；
The upper and lower ends of the lower cylinder (4) are connected by oppositely oriented screw thread and adapter (3) and mounting body (5) respectively
It connects；
The structure of the gas circuit converter (10) includes switch main body (10-1) and end cap (10-2), end cap (10-2) suit
On upper center tube (8), step is provided on the upside of end cap (10-2), end cap (10-2) is threadedly attached in switch main body
The lower end of (10-1), and annular air channel (10-3) is formed at the step, along diameter in the switch main body (10-1)
To offering blind hole (10-9), the switching sliding block that can be slided along the axis direction of blind hole (10-9) is fitted in blind hole (10-9)
(10-7), and blocked by sealing plate (10-10), switch and passes through a bullet between sliding block (10-7) and the sealing plate (10-10)
Spring D (10-6) connection, switching sliding block (10-7) are the cylindrical-shaped structures that a centre has annular groove, and the two sides of the annular groove are equal
With the hole wall palette of the blind hole (10-9), the upside of switch main body (10-1) is corresponding with switching sliding block (10-7)
It is provided with an air inlet (10-8), the downside of switch main body (10-1) and the switching sliding block (10-7) are correspondingly arranged on two
A venthole, is referred to as venthole A (10-4) and venthole B (10-5), venthole A (10-4) and the end cap (10-2's)
Downside connection, venthole B (10-5) are connected to the annular air channel (10-3), and the downside of the end cap (10-2) is also connected with
A piece tracheae (11), the other end of the tracheae (11) are connected to the upper end of control valve seat (12) after the adapter (3).
2. a kind of distributor according to claim 1, it is characterised in that: the side that the guide slide passes through Milling Process
Formula is processed on the cylindrical surface of valve rod B sections (22), and the structure of guide slide includes guide pin entrance (32), dead point A (33), dead point
B (34), dead point C (35), dead point D (36), dead point E (37), dead point F (38) and dead point G (39), when guide pin is located at dead point A
(33), dead point B (34) and when (35) dead point C, the liquid pass hole (29) respectively with three annular mistakes on the water nozzle (28)
Liquid bath (30) is corresponding, that is to say, that dead point A (33), dead point B (34) and dead point C (35) respectively correspond three of water nozzle (28) not
Liquid latus rectum, valve rod first time downlink, guide pin (31) excessively together is moved to dead point D (36) along guide slide, and valve rod is in bullet later
First time uplink under the action of spring C (26), after valve rod first time uplink, guide pin (31) is moved to dead point A along guide slide
(33), and so on, after the reciprocating motion next time of valve rod, guide pin (31) is moved to dead point B (34) along guide slide,
After the reciprocating motion next time again of valve rod, guide pin (31) is moved to dead point C (35) along guide slide, again by valve rod
Move back and forth next time after, guide pin (31) is moved at guide pin entrance (32) along guide slide；
Axial spacing between the axial spacing and dead point B (34) and dead point C (35) of the dead point A (33) and dead point B (34)
It is equal.
3. a kind of distributor according to claim 1, it is characterised in that: described there are two the guide slide is total
It is respectively corresponded on key seat (25) with two guide slides and is provided with a guide pin (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811571586.1A CN109723412B (en) | 2018-12-21 | 2018-12-21 | Injection allocation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811571586.1A CN109723412B (en) | 2018-12-21 | 2018-12-21 | Injection allocation device |
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| Publication Number | Publication Date |
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| CN109723412A CN109723412A (en) | 2019-05-07 |
| CN109723412B true CN109723412B (en) | 2019-08-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811571586.1A Active CN109723412B (en) | 2018-12-21 | 2018-12-21 | Injection allocation device |
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| CN110219626B (en) * | 2019-05-30 | 2019-12-03 | 大庆华油石油科技开发有限公司 | A kind of Mechanical course distributor |
| CN110107268B (en) * | 2019-05-30 | 2019-12-20 | 大庆华油石油科技开发有限公司 | Electric control injection allocation device |
| CN112282712B (en) * | 2019-07-24 | 2022-10-04 | 中国石油天然气股份有限公司 | Underground reciprocating type water injection device |
| CN110907167A (en) * | 2019-12-28 | 2020-03-24 | 东北轻合金有限责任公司 | Emulsion electromagnetic valve off-line detection device and method |
| CN112324388A (en) * | 2020-11-30 | 2021-02-05 | 中国石油集团渤海钻探工程有限公司 | Ball-throwing-free pressure test circulating sliding sleeve |
| CN112627771A (en) * | 2020-12-11 | 2021-04-09 | 中国石油集团渤海钻探工程有限公司 | Mechanical three-way switch circulating sliding sleeve |
| CN113107443B (en) * | 2021-04-29 | 2021-10-15 | 大庆市晟威机械制造有限公司 | Eccentric oilfield water distributor |
| CN113153250B (en) * | 2021-06-11 | 2021-11-19 | 盐城瑞德石化机械有限公司 | Stable type underground injection allocation device with limiting mechanism |
| CN116771310B (en) * | 2023-08-22 | 2023-12-29 | 大庆市华禹石油机械制造有限公司 | Water distributor for petroleum exploitation |
| CN117027744B (en) * | 2023-10-07 | 2023-12-05 | 东营华辰石油装备有限公司 | Concentric water distribution regulator integrating measuring and adjusting |
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| CN109723412A (en) | 2019-05-07 |
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Effective date of registration: 20220513 Address after: 163000 Saina garden No.2, Saertu District, Daqing City, Heilongjiang Province Patentee after: Aochen Technology Co.,Ltd. Address before: 163000 North Road, Torch Village, Saertu District, Daqing City, Heilongjiang Province Patentee before: DALIAN SHENGWEI MACHINERY MANUFACTURING Co.,Ltd. |