CN104818967B - Water injection well dispenser and the three pipe Water injection well head devices using the dispenser - Google Patents
Water injection well dispenser and the three pipe Water injection well head devices using the dispenser Download PDFInfo
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- CN104818967B CN104818967B CN201510173690.5A CN201510173690A CN104818967B CN 104818967 B CN104818967 B CN 104818967B CN 201510173690 A CN201510173690 A CN 201510173690A CN 104818967 B CN104818967 B CN 104818967B
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- dispenser
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- water nozzle
- liquid injection
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 125
- 238000002347 injection Methods 0.000 title claims abstract description 109
- 239000007924 injection Substances 0.000 title claims abstract description 109
- 239000007788 liquid Substances 0.000 claims abstract description 70
- 239000012530 fluid Substances 0.000 claims abstract description 57
- 238000013016 damping Methods 0.000 claims abstract description 29
- 101710144202 Probable soluble pyridine nucleotide transhydrogenase Proteins 0.000 claims description 12
- 101710165942 Soluble pyridine nucleotide transhydrogenase Proteins 0.000 claims description 12
- 210000002445 nipple Anatomy 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 8
- 241000196324 Embryophyta Species 0.000 description 4
- 238000005086 pumping Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 241000233855 Orchidaceae Species 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000010779 crude oil Substances 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000008141 laxative Substances 0.000 description 1
- 230000002475 laxative effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002332 oil field water Substances 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
- E21B21/10—Valve arrangements in drilling-fluid circulation systems
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Nozzles (AREA)
Abstract
The invention discloses water injection well dispenser, including valve body and bonnet, it is characterised in that：Also include water nozzle seat and damping crossing current water nozzle, bonnet is covered on above valve body, and the cavity of flow of media is formed between bonnet and valve body, at the top of valve body, inlet opening and fluid hole are set, side fluid apertures is respectively arranged with valve body lower portion both sides, the side fluid apertures through connection of inlet opening and homonymy, the side fluid apertures through connection of fluid hole and homonymy, the liquid injection hole of consistent port valve body is provided with valve body, liquid injection hole connection is stretched into water nozzle seat one end, the damping crossing current water nozzle is arranged on the water nozzle seat other end, damping crossing current water nozzle is provided with multiple perforates for flow of media, medium by perforate can be flowed into liquid injection hole.It is easy to use the invention provides a kind of simple in construction, pressure medium after shunting, the water injection well dispenser of Quick dredging silting part and the three pipe Water injection well head devices using the dispenser can be kept.
Description
Technical field
The invention belongs to technical field of petroleum machinery, more particularly to oil field water injection wellhead dispenser and uses the dispensing
Three pipe Water injection well head devices of device.
Background technology
During oil exploitation, the silting for being frequently encountered sandstone causes crude oil to be difficult to be extracted, and now just needs
Try to exclude silting, be generally all that the water filling into oil well is then tapped off by single tube to wash sandstone open, may yet with oil
Bury in different rock stratum, using single tube water filling, the pressure that different rock-layers enter flowing water is different, and it is more so to lead to not dredging
Sandstone in individual rock stratum, difficulty is brought to crude oil production.
The content of the invention
It is easy to use the invention provides a kind of simple in construction in order to solve the problems of the prior art, it can keep point
Pressure medium after stream, the water injection well dispenser of Quick dredging silting part and the three pipe water injection wells dress using the dispenser
Put.
In order to solve the above problems, the technical solution used in the present invention is：
Water injection well dispenser, including valve body and bonnet, it is characterised in that：Also include water nozzle seat and damping crossing current water
Mouth, the bonnet are covered on above valve body, and the cavity of flow of media is formed between bonnet and valve body, are set at the top of valve body
Inlet opening and fluid hole, side fluid apertures is respectively arranged with valve body lower portion both sides, and the side fluid apertures insertion of the inlet opening and homonymy connects
Connect, the side fluid apertures through connection of the fluid hole and homonymy, the liquid injection hole of consistent port valve body, the water nozzle are provided with valve body
Liquid injection hole connection is stretched into seat one end, and the damping crossing current water nozzle is arranged on the water nozzle seat other end, is set in damping crossing current water nozzle
There are multiple perforates for flow of media, the medium by perforate can be flowed into liquid injection hole.
Foregoing water injection well dispenser, it is characterised in that：It is described damping crossing current water nozzle include top tapered end face and
The hollow circular cylinder being connected with tapered end face, be provided with tapered end face four around tapered end face summit it is symmetrical
Oblique perforate, hollow circular cylinder upper side is provided with two row's STHs, each row's STH includes eight STHs, institute
It is identical to state two neighboring STH spacing.
Foregoing water injection well dispenser, it is characterised in that：The inlet opening and fluid hole are symmetrical arranged, in inlet opening
It is provided with liquid injection hole between fluid hole, and inlet opening, fluid hole and liquid injection hole be on same straight line, described two side fluid apertures
It is symmetrical arranged, and two side fluid apertures are located on the same line.
Foregoing water injection well dispenser, it is characterised in that：The water nozzle seat is hollow setting, the water nozzle seat both ends
External screw thread is respectively arranged with, liquid injection hole inner arm is provided with internal thread, is provided with damping crossing current water nozzle hollow cylinder inner wall
Internal thread, the external screw thread of described water nozzle seat one end are connected with liquid injection hole screw-internal thread fit, the external screw thread of the water nozzle seat other end
It is connected with the screw-internal thread fit of hollow circular cylinder.
Foregoing water injection well dispenser, it is characterised in that：It is provided between water nozzle seat and liquid injection hole inwall multiple
The O-ring seal to seal, multiple O-ring seals to seal are provided between valve body and bonnet inside.
Foregoing water injection well dispenser, it is characterised in that：It is described to pass through inlet opening, fluid hole and liquid injection hole respectively
Three strands of media flow through direction in valve body and are parallel to each other.
Foregoing water injection well dispenser, it is characterised in that：In valve body, the fluid injection bore end through connection one is logical
Hole, the diameter of the through hole are more than the diameter of liquid injection hole.
Three pipe Water injection well head devices of the foregoing use dispenser, it is characterised in that：Including upper triple valve, middle four-way
Valve, lower four-way valve, upper dispenser, middle dispenser, lower dispenser and side flange, the upper triple valve, middle four-way valve and lower four-way
Valve is sequentially connected, and the upper dispenser is connected by side flange with upper triple valve, and the middle dispenser is by side flange four with
Port valve is connected, and the lower dispenser is connected with lower four-way valve by side flange, passed through between the upper dispenser and middle dispenser
Liquid injection pipe connects, and is connected between the middle dispenser and lower dispenser by liquid injection pipe, the lower dispenser is set with high pressure feed liquor
It is standby to be connected by liquid injection pipe.
Three pipe Water injection well head devices of the foregoing use dispenser, it is characterised in that：Also include theft-proof gate valve, screw thread method
Orchid, the first upper flange, the second upper flange and lower flange, the upper triple valve upper end are provided with theft-proof gate valve, the theft-proof gate valve
Upper end is provided with thread flange, and the lower end of the upper triple valve is provided with the first upper flange, and the lower end of the first upper flange is provided with oil pipe
Seat, the lower end of oil pipe seat is fixedly connected with the upper end of middle four-way valve, and the first tubing hanger is provided with the madial wall of oil pipe seat, in four
The lower end of port valve is provided with the second upper flange, and the lower end of the second upper flange is fixedly connected with lower four-way valve, in the upper end of lower four-way valve
The second tubing hanger is fixed with the madial wall of port, is fixedly connected with lower flange in the lower end of lower four-way valve, the upper triple valve, in
Theft-proof gate valve is provided between four-way valve and lower four-way valve and corresponding side flange, in the first tubing hanger and the second tubing hanger
It is fixed with tubing nipple.
Three pipe Water injection well head devices of the foregoing use dispenser, it is characterised in that：The through hole of the upper dispenser with
The connection of corresponding side flange, the through hole of the middle dispenser connect with corresponding side flange, the through hole of the lower dispenser with it is right
The side flange connection answered.
The beneficial effect that the present invention is reached：Dispenser structure of the present invention sets inlet opening at the top of valve body and goes out liquid
Hole, side fluid apertures is respectively arranged with valve body lower portion both sides, the liquid injection hole of consistent port valve body, the water nozzle seat are provided with valve body
Liquid injection hole connection is stretched into one end, and the damping crossing current water nozzle is arranged on the water nozzle seat other end, is provided with damping crossing current water nozzle
Multiple perforates for flow of media, in valve body, the through hole of fluid injection bore end through connection one, the diameter of the through hole is big
In the diameter of liquid injection hole.Connected between the upper dispenser and middle dispenser by liquid injection pipe, the middle dispenser and lower dispensing
Connected between device by liquid injection pipe, the lower dispenser is connected with high pressure feed liquor equipment by liquid injection pipe.
When water under high pressure injects, the water of liquid injection pipe conveying is flowed into by the one of side fluid apertures of lower dispenser, is then led to again
The inlet opening for crossing insertion is flowed into cavity, when the cavity is filled up, due to being provided with perforate on damping crossing current water nozzle, can pass through perforate
Water filling enters liquid injection hole and then flowed into through hole, and another one stream of water recycles the side fluid apertures of opposite side to flow into by fluid hole
In liquid injection pipe, in feeding in dispenser, current can continue to deliver in current divider in this way, because damping crossing current water nozzle is set
To put direction and the direction of liquid injection pipe current is mutually perpendicular to, and damp the perforate very little on crossing current water nozzle, water nozzle has damping action,
Water into liquid injection hole is controlled, and the water flow pressure of next dispenser is so delivered to by fluid hole with conveying at the beginning
Water flow pressure it is basically identical, will not change.
The dispenser of three pipe Water injection well head devices of the invention has upper water knockout drum, middle injector and lower injector three, water nozzle
Using crossing current water nozzle.During water filling, the medium for having pumping plant to send passes through pipeline, and dispenser is logical with three of Water injection well head device respectively
Road is connected, and when needing by which passage to underground water-injection, can open the valve on the passage, you can by the passage to well
Lower water filling, when three passages need water filling simultaneously, open the valve on three passages, now, the pressure medium pipeline of pumping plant
All connected by three passages of three dispensers and wellhead assembly, because dispenser is designed to three passages, i.e., inlet opening,
Three passages of fluid hole and liquid injection hole, communicated because two passages of inlet opening and fluid hole communicate with pressure medium pipeline, and in
Between fluid injection hole path 20 apertures are installed（Perforate）Damping crossing current water nozzle；Play distribution injection flow, the work of steady pressure
With, it is stable and reliable in work, reach purpose and effect that three pipes are in charge of water filling.
Brief description of the drawings
Fig. 1 is dispenser structural representation of the present invention.
Fig. 2 is the structural representation of three pipe Water injection well head devices of the invention.
Embodiment
The invention will be further described below in conjunction with the accompanying drawings.Following examples are only used for clearly illustrating the present invention
Technical scheme, and can not be limited the scope of the invention with this.
As shown in figure 1, water injection well dispenser, including valve body 1, bonnet 2, water nozzle seat 3 and damping crossing current water nozzle 4, institute
State bonnet 2 and be covered on the top of valve body 1, and the cavity 5 of flow of media is formed between bonnet 2 and valve body 1, set at the top of valve body 1
Inlet opening 6 and fluid hole 7 are put, side fluid apertures 8, the side fluid apertures of the inlet opening 6 and homonymy are respectively arranged with the bottom both sides of valve body 1
8 through connections, the through connection of side fluid apertures 8 of the fluid hole 7 and homonymy, are provided with the fluid injection of consistent port valve body on valve body 1
Hole 9, inlet opening 6 and fluid hole 7 are symmetrical arranged, and liquid injection hole 9 is between inlet opening 6 and fluid hole 7, and inlet opening 6, fluid hole
7 and liquid injection hole 9 on same straight line, and two side fluid apertures 8 are symmetrical arranged, and two side fluid apertures 8 are located on the same line.
Described one end of water nozzle seat 4 is stretched into liquid injection hole 9 and connected, and the damping crossing current water nozzle 4 is arranged on the other end of water nozzle seat 3, is being damped
Crossing current water nozzle 4 is provided with multiple perforates for flow of media, and the medium by perforate can be flowed into liquid injection hole 9,
In valve body 1, the through hole 14 of 9 end through connection of liquid injection hole one, the diameter of the through hole 14 is more than the diameter of liquid injection hole 9.
During design, flow through direction in valve body 1 by three strands of media of inlet opening 6, fluid hole 7 and liquid injection hole 9 respectively and be parallel to each other.
During design, the damping crossing current water nozzle 4 includes top tapered end face 10 and is connected with tapered end face 10 hollow
Cylinder 11, four are provided with tapered end face 10 around the symmetrical oblique perforate 12 in the summit of tapered end face 10, hollow
The upper side of cylinder 11 is provided with two row's STHs, and each row's STH includes eight STHs 13, and described adjacent two
The individual spacing of STH 13 is identical.
During design, the water nozzle seat 3 is hollow setting, and the both ends of water nozzle seat 3 are respectively arranged with external screw thread, in liquid injection hole
9 inner arms are provided with internal thread, and the inwall of 4 hollow circular cylinder of damping crossing current water nozzle 11 is provided with internal thread, described one end of water nozzle seat 3
External screw thread be connected with the screw-internal thread fit of liquid injection hole 9, the external screw thread of the other end of water nozzle seat 3 and the interior spiral shell of hollow circular cylinder 11
Line is connected.Multiple O-ring seals 15 to seal are provided between water nozzle seat 3 and the inwall of liquid injection hole 9, in valve body
Multiple O-ring seals 15 to seal are provided between 1 and the inside of bonnet 2.
Using three pipe Water injection well head devices of the dispenser, including upper triple valve 16, middle four-way valve 17, lower four-way valve 18,
Upper dispenser 19, middle dispenser 20, lower dispenser 21, side flange 30, theft-proof gate valve 31, thread flange 23, the first upper flange 24,
Second upper flange 25 and lower flange 26, the upper upper end of triple valve 16 are provided with theft-proof gate valve 31, and the upper end of theft-proof gate valve 31 is set
There is thread flange 23, the lower end of the upper triple valve 16 is provided with the first upper flange 24, and the lower end of the first upper flange 24 is provided with oil pipe
Seat, the lower end of oil pipe seat are fixedly connected with the upper end of middle four-way valve 17, and the first tubing hanger 27 is provided with the madial wall of oil pipe seat,
The lower end of middle four-way valve 17 is provided with the second upper flange 25, and the lower end of the second upper flange 25 is fixedly connected with lower four-way valve 18, under
The second tubing hanger 28 is fixed with the upper end port madial wall of four-way valve 18, laxative remedy is fixedly connected with the lower end of lower four-way valve 18
Orchid 16, the upper dispenser 19 is connected by side flange 30 with upper triple valve 16, the middle dispenser 20 by side flange 30 and
Middle four-way valve 17 is connected, and the lower dispenser 21 is connected by side flange 30 with lower four-way valve 18, and the upper dispenser 19 is with
Connected by liquid injection pipe 22 between dispenser 20, connected between the middle dispenser 20 and lower dispenser 21 by liquid injection pipe 22,
21 devices of the lower dispensing are connected with high pressure feed liquor equipment by liquid injection pipe 22.During design, the through hole 14 of upper dispenser 19 with it is corresponding
Side flange 30 connect, the through hole 14 of the middle dispenser 20 connects with corresponding side flange 30, the lower dispenser 21 it is logical
Hole 14 connects with corresponding side flange 30.In upper triple valve 16, middle four-way valve 17 and lower four-way valve 18 and corresponding side flange 30
Between be provided with theft-proof gate valve 21, be respectively and fixedly provided with tubing nipple 29 in the first tubing hanger 27 and the second tubing hanger 28.
In summary, dispenser structure of the present invention sets inlet opening 6 and fluid hole 7 at the top of valve body 1, under valve body 1
Portion both sides are respectively arranged with side fluid apertures 8, and 1 liquid injection hole 9 of consistent port valve body is provided with valve body 1, and described one end of water nozzle seat 3 is stretched
Enter liquid injection hole 9 to connect, the damping crossing current water nozzle 4 is arranged on the other end of water nozzle seat 3, is provided with damping crossing current water nozzle 4 more
The individual perforate for flow of media, in valve body 1, the through hole 14 of 9 end through connection of liquid injection hole one, the through hole 14 it is straight
Footpath is more than the diameter of liquid injection hole.Connected between the upper dispenser 19 and middle dispenser 20 by liquid injection pipe 22, the middle dispensing
Connected between device 20 and lower dispenser 21 by liquid injection pipe 22, the lower dispenser 21 passes through liquid injection pipe 22 with high pressure feed liquor equipment
Connection.
When water under high pressure injects, the water of liquid injection pipe conveying is flowed into by the one of side fluid apertures 8 of lower dispenser 21, Ran Houzai
Flowed into cavity 5 by the inlet opening 6 of insertion, when cavity 5 is full of, due to being provided with perforate on damping crossing current water nozzle 4, can led to
Perforate water filling is crossed into liquid injection hole 9 and then is flowed into through hole 14, and another one stream of water recycles opposite side by fluid hole 7
Side fluid apertures 8 is flowed into liquid injection pipe 22, is re-fed into middle dispenser 20, current can continue to deliver to current divider 19 in this way
In, because the damping crossing current setting direction of water nozzle 4 and the direction of the current of liquid injection pipe 22 are mutually perpendicular to, and damp on crossing current water nozzle 4
Perforate very little, water nozzle have damping action, and the water into liquid injection hole 9 is controlled, and are so delivered to by fluid hole 7 next
The water flow pressure of dispenser and the water flow pressure conveyed at the beginning are basically identical, will not change.
The dispenser of three pipe Water injection well head devices of the invention has upper water knockout drum 19, middle injector 20 and lower injector 21 3
Individual, water nozzle is using crossing current water nozzle.During water filling, the medium that has pumping plant to send passes through pipeline, and dispenser is respectively and Water injection well head device
Three passages be connected, when needing by which passage to underground water-injection, the valve on the passage can be opened, you can by this
Passage, when three passages need water filling simultaneously, opens the valve on three passages, now, the pressure of pumping plant to underground water-injection
Medium pipeline is all connected by three dispensers with three passages of wellhead assembly, because dispenser is designed to three passages,
That is 9 three inlet opening 6, fluid hole 7 and liquid injection hole passages, because 7 two passages of inlet opening 6 and fluid hole communicate and pressure medium
Pipeline communicates, and the passage of middle liquid injection hole 9 is provided with 20 apertures（Perforate）Damping crossing current water nozzle；Play distribution water injection manifold
Amount, the effect of steady pressure, it is stable and reliable in work, reach purpose and effect that three pipes are in charge of water filling.
General principle, the main features and advantages of the present invention have been shown and described above.The technical staff of the industry should
Understand, the present invention is not limited to the above embodiments, the original for simply illustrating the present invention described in above-described embodiment and specification
Reason, without departing from the spirit and scope of the present invention, various changes and modifications of the present invention are possible, these changes and improvements
It all fall within the protetion scope of the claimed invention.The claimed scope of the invention is by appended claims and its equivalent circle
It is fixed.
Claims (4)
1. water injection well dispenser, including valve body, bonnet, water nozzle seat and damping crossing current water nozzle, the bonnet are covered on valve body
Top, and the cavity of flow of media is formed between bonnet and valve body, inlet opening and fluid hole are set at the top of valve body, in valve body
Bottom both sides are respectively arranged with side fluid apertures, it is characterised in that：The side fluid apertures through connection of the inlet opening and homonymy, it is described go out liquid
Hole and the side fluid apertures through connection of homonymy, the liquid injection hole of consistent port valve body is provided with valve body, described water nozzle seat one end is stretched into
Liquid injection hole is connected, and the damping crossing current water nozzle is arranged on the water nozzle seat other end, and damping crossing current water nozzle is provided with multiple be used for
The perforate of flow of media, the medium by perforate can be flowed into liquid injection hole, and the damping crossing current water nozzle includes top
Tapered end face and the hollow circular cylinder being connected with tapered end face, four are provided with tapered end face and surrounds tapered end face summit
Symmetrical oblique perforate, hollow circular cylinder upper side is provided with two row's STHs, each row's STH includes eight
Individual STH, the two neighboring STH spacing is identical, and the inlet opening and fluid hole are symmetrical arranged, and in inlet opening and goes out liquid
Liquid injection hole is provided between hole, and inlet opening, fluid hole and liquid injection hole, on same straight line, described two side fluid apertures are symmetrically set
Put, and two side fluid apertures are located on the same line, the water nozzle seat is hollow setting, and the water nozzle seat both ends are respectively arranged with
External screw thread, liquid injection hole inner arm is provided with internal thread, damping crossing current water nozzle hollow cylinder inner wall is provided with internal thread, it is described
The external screw thread of water nozzle seat one end is connected with liquid injection hole screw-internal thread fit, the external screw thread and hollow circular cylinder of the water nozzle seat other end
Screw-internal thread fit connection, multiple O-ring seals to seal are provided between water nozzle seat and liquid injection hole inwall, in valve
Multiple O-ring seals to seal are provided between body and bonnet inside, it is described to pass through inlet opening, fluid hole and note respectively
Three strands of media of fluid apertures flow through direction in valve body and are parallel to each other, in valve body, the through hole of fluid injection bore end through connection one,
The diameter of the through hole is more than the diameter of liquid injection hole.
2. use three pipe Water injection well head devices of dispenser as claimed in claim 1, it is characterised in that：Including upper triple valve,
Middle four-way valve, lower four-way valve, upper dispenser, middle dispenser, lower dispenser and side flange, the upper triple valve, middle four-way valve and
Lower four-way valve is sequentially connected, and the upper dispenser is connected by side flange with upper triple valve, and the middle dispenser passes through side flange
Be connected with middle four-way valve, the lower dispenser is connected by side flange with lower four-way valve, the upper dispenser and middle dispenser it
Between connected by liquid injection pipe, connected between the middle dispenser and lower dispenser by liquid injection pipe, the lower dispenser and high pressure
Feed liquor equipment is connected by liquid injection pipe.
3. the three pipe Water injection well head devices according to claim 2 using the dispenser, it is characterised in that：Also include antitheft
Gate valve, thread flange, the first upper flange, the second upper flange and lower flange, the upper triple valve upper end are provided with theft-proof gate valve, institute
State theft-proof gate valve upper end and be provided with thread flange, the lower end of the upper triple valve is provided with the first upper flange, under the first upper flange
End is provided with oil pipe seat, and the lower end of oil pipe seat is fixedly connected with the upper end of middle four-way valve, and first is provided with the madial wall of oil pipe seat
Tubing hanger, the lower end of middle four-way valve are provided with the second upper flange, and the lower end of the second upper flange is fixedly connected with lower four-way valve, lower four
The second tubing hanger is fixed with the upper end port madial wall of port valve, lower flange is fixedly connected with the lower end of lower four-way valve, it is described
Theft-proof gate valve is provided between upper triple valve, middle four-way valve and lower four-way valve and corresponding side flange, in the first tubing hanger and the
Tubing nipple is respectively and fixedly provided with two tubing hangers.
4. the three pipe Water injection well head devices according to claim 3 using the dispenser, it is characterised in that：The upper dispensing
The through hole of device connects with corresponding side flange, and the through hole of the middle dispenser connects with corresponding side flange, the lower dispenser
Through hole connected with corresponding side flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510173690.5A CN104818967B (en) | 2015-04-13 | 2015-04-13 | Water injection well dispenser and the three pipe Water injection well head devices using the dispenser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510173690.5A CN104818967B (en) | 2015-04-13 | 2015-04-13 | Water injection well dispenser and the three pipe Water injection well head devices using the dispenser |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104818967A CN104818967A (en) | 2015-08-05 |
| CN104818967B true CN104818967B (en) | 2018-01-05 |
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| CN201510173690.5A Active CN104818967B (en) | 2015-04-13 | 2015-04-13 | Water injection well dispenser and the three pipe Water injection well head devices using the dispenser |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105525898A (en) * | 2016-01-14 | 2016-04-27 | 南京伟业机械有限公司 | Adjustable water injection dispenser used for water injection well head |
| CN111395987B (en) * | 2019-01-03 | 2022-08-30 | 中国石油天然气股份有限公司 | Water injection well Christmas tree and water injection method |
| CN115075788B (en) * | 2022-07-11 | 2024-05-10 | 太原理工大学 | Automatic water injection wellhead assembly of coal bed gas |
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