CN108590563A - Screw pump well head steam injection sealing device and note adopt integrated optical rod seal apparatus - Google Patents
Screw pump well head steam injection sealing device and note adopt integrated optical rod seal apparatus Download PDFInfo
- Publication number
- CN108590563A CN108590563A CN201810309935.6A CN201810309935A CN108590563A CN 108590563 A CN108590563 A CN 108590563A CN 201810309935 A CN201810309935 A CN 201810309935A CN 108590563 A CN108590563 A CN 108590563A
- Authority
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- China
- Prior art keywords
- sealing
- steam injection
- conical surface
- sealer
- wall
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000007789 sealing Methods 0.000 title claims abstract description 184
- 238000010793 Steam injection (oil industry) Methods 0.000 title claims abstract description 118
- 230000003287 optical effect Effects 0.000 title claims abstract description 9
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 51
- 239000002184 metal Substances 0.000 claims abstract description 14
- 238000005086 pumping Methods 0.000 claims abstract description 9
- 230000001681 protective effect Effects 0.000 claims description 23
- 238000004519 manufacturing process Methods 0.000 abstract description 17
- 238000000034 method Methods 0.000 abstract description 15
- 230000008569 process Effects 0.000 abstract description 11
- 238000009434 installation Methods 0.000 description 11
- 238000012856 packing Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 6
- 239000000243 solution Substances 0.000 description 5
- 239000000725 suspension Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 230000009191 jumping Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/02—Surface sealing or packing
- E21B33/03—Well heads; Setting-up thereof
Abstract
The invention discloses screw pump well head steam injection sealing devices and note to adopt integrated optical rod seal apparatus, wherein Wellhead steam injection sealing device, the sealed connection of oil pipe four-way upper port of the sealer base outer wall and well head, sealer base inner wall is connect with steam injection sealing drum, steam injection sealed core lower end connecting with pumping rod, the steam injection sealing drum lower port inner wall opens up sealing drum lower end conical surface sealing structure, the steam injection sealing outer core opens up sealing outer core conical surface sealing structure, sealing drum lower end conical surface sealing structure matches sealing with sealing outer core conical surface sealing structure, the sealer pedestal upper port inner wall opens up pedestal upper end conical surface sealing structure, metal conical surface sealing ring is arranged in the hanging pup joint outer wall, pedestal upper end conical surface sealing structure matches sealing with metal conical surface sealing ring.The present invention adopted for screw pump note the steam injection of integral process, turn to take out, the processes such as production optimize, and improve safety, perfect screw bolt well note adopts integral process.
Description
Technical field
The present invention relates to oil exploitation technology, specifically screw pump well head steam injection sealing device and note adopts integrated optical
Rod seal apparatus.
Background technology
All-metal screw pump rotor is metal material, can implement note in thick oil thermal extraction and adopt integral process, steam injection
Fixed tubular column turns to take out afterwards, simplifies flow chart.According to investigation, existing all-metal screw pump note is adopted integrated technique and is still used only more
Change well mouth sealing device of the screw pump polish rod sealing apparatus of refractory seals disk as steam injection when.Which one is packing seal one
Denier fails in steam injection process, then can not shunt in a well in time, and high temperature and high pressure steam leakage is unable to control；Second is that using this sealer
Implement note and adopts integral process, whole polished rod rises sheer from well head or more when steam injection, and there is also certain security risks.
By retrieving the keywords such as wellhead sealing, the conical surface, it was found that following discloses document, after carefully being compared with the application,
The associated components for being applied to the conical surface are entirely different with the application, i.e., are all different in overall technical architecture, technique effect etc., in addition to
Outside the known technology principle of conical surface seal, other are also without any technical inspiration.
Application number：201410828506.1 publication date 2015-04-29 discloses a kind of anti-leak well mouth sealing device, packet
Box body, polished rod are included, spring and inside and outside big envelope are equipped in the hole in the middle part of box body, the lower part of the peripheral surface of the interior big envelope is upper
It is step cylinder to hold the conical surface that diameter is big and lower end diameter is small, top, is annular groove face between the conical surface and step cylinder, described
The upper surface of step cylinder on top is contacted with the lower face of capping, and the cone of the interior big envelope lower part is the block being uniformly distributed along the circumference
Body forms, and each block is block with axial oblique, and the upper end of each block is connect with annular trough body, the endoporus of outside envelope for institute
The taper hole that the male cone (strobilus masculinus) of interior big envelope matches is stated, the outer cylinder of this outside envelope matches with the big envelope bore outside it, and polished rod slide fit is in box
In internal sealing annular distance, interior big envelope hole and capping hole.The present invention good, remarkable advantage with long service life with sealing effect.
Invention content
The purpose of the present invention is to provide screw pump well head steam injection sealing devices and note to adopt integrated optical rod seal apparatus, needle
The processes such as the steam injection, turn pumping, production of integral process are adopted to screw pump note to optimize, and improve safety, it is perfect
Screw bolt well note adopts integral process.
In order to achieve the above objectives, present invention employs following technical solution, screw pump well head steam injection sealing device, including
Sealer pedestal, steam injection sealing drum, steam injection sealed core, hanging pup joint, the oil pipe four-way of the sealer base outer wall and well head
The sealed connection of upper port, sealer base inner wall are connect with steam injection sealing drum, and the steam injection sealed core is under steam injection sealing drum
Port penetrates, and extend into sealer chassis interior always, and there are a connecting pole, connecting pole and note in hanging pup joint lower face center
The link slot screw thread type of steam packing core upper surface connects, steam injection sealed core lower end connecting with pumping rod, steam injection sealing drum lower end
Mouth inner wall opens up sealing drum lower end conical surface sealing structure, and the steam injection sealing outer core opens up sealing outer core conical surface seal knot
Structure, sealing drum lower end conical surface sealing structure match sealing, the sealer bottom with sealing outer core conical surface sealing structure
Seat upper port inner wall opens up pedestal upper end conical surface sealing structure, and it is smaller than sealer pedestal that the hanging pup joint outer wall is provided with hardness
Metal conical surface sealing ring, pedestal upper end conical surface sealing structure matches sealing, the sealing with metal conical surface sealing ring
Device pedestal upper end connects seal closure, and hanging pup joint is fully located in seal closure, and oil pipe four-way upper end connects protective cover, sealing
Device pedestal and seal closure are fully located in protective cover.
The seal closure opens up seal closure relief hole, which installs silk plug；The protective cover opens up protective cover relief hole, should
Hole is installed by silk plug.
The steam injection sealing outer core opens up elevator table top；The hanging pup joint outer wall also offers elevator table top.
In order to achieve the above objectives, present invention employs following technical solutions, and it is close that screw pump well head note adopts integrated polished rod
Seal apparatus, including polished rod sealer, polished rod sealer are sealed in polished rod outer wall, further include sealer pedestal, steam injection sealing drum, note
The sealed connection of oil pipe four-way upper port of steam packing core, the sealer base outer wall and well head, sealer base inner wall with
Steam injection sealing drum connects, and sealer pedestal upper end connects polished rod sealer, and steam injection sealed core upper end connects polished rod, note
Steam packing core lower end connecting with pumping rod, the steam injection sealing drum lower port inner wall open up sealing drum lower end conical surface sealing structure, institute
It states steam injection sealing outer core and opens up sealing outer core conical surface sealing structure, sealing drum lower end conical surface sealing structure and sealed core
Outer wall conical surface sealing structure matches sealing.
The present invention has the advantages that compared with prior art：
Screw pump well head note adopts integrated optical rod seal apparatus, and polished rod sealer uses and existing screw pump polish rod sealing apparatus
Similar structure, inside using can heat safe airtight and watertight padding, mainly rod tube annular space is being sealed during normal production.Sealing
Device pedestal is connected to polished rod sealer lower part, is installed at the top of existing screw pump thermal production well mouth, and its underpart connects steam injection sealing
Cylinder, inside top are provided with sealing structure.It is high-precision shiny surface, the high-precision with steam injection sealed core that steam injection, which seals tube inner surface,
Smooth outer surface matches, and barrier vapour, liquid pass through.Steam injection sealing drum bottom and steam injection sealed core bottom are respectively set can phase interworking
The sealing structure of conjunction to be altered on baffle seal core when being altered on the excessively high sealed core of borehole pressure, while utilizing the upper of sealed core
Top power makes sealing surface contact partition pressure.Gas injection sealed core lower part connecting with pumping rod, top can connect polished rod.It is set on the outside of upper part
It is equipped with elevator table top, for being used when installation elevator in work progress.
Screw pump well head steam injection sealing device, hanging pup joint are connected at the top of steam injection sealed core, and bottom outside is provided with
Hardness be less than sealer base top inner seal structure soft metal sealing structure, can in steam injection process with sealer pedestal
The sealing structure of inside top matches, and carries roofbolt weight in well and carrys out sealing bar pipe ring sky by roofbolt dead weight；Its ontology
On be provided with elevator table top, for being used when installation elevator in work progress.Seal closure is installed on sealed base upper outside, will be close
Seal device pedestal upper opening entirety environmental sealing, prevent high-temperature, high pressure fluid between gas injection sealing drum and steam injection sealed core between
Gap is revealed.Protective cover is installed on flange connection type on thermal production well mouth top flange face, by exposed sealer pedestal, sealing
In cover is wrapped in, sealer pedestal and wellhead connection or seal closure and sealer pedestal junction pressure leakages are prevented.It is close
It is both provided with relief hole on sealing cover, protective cover, to observe its internal pressure, to carry out pressure discharge operations if necessary.Due to using
Steam injection sealing drum and the sealing of steam injection sealed core clearance fit, hanging pup joint and the sealing of sealer pedestal soft metal, seal closure with
The multi-sealed means such as the sealing of sealer whorl of base, protective cover and thermal production well mouth flange seal, the safety of steam injection sealing device
Property and reliability greatly improve, and especially the flanged joint between protective cover and thermal production well mouth makes the sealing performance of the device reach
With thermal production well mouth same levels, eliminates the prior art and well head pressure resistance rank is caused as steam injection sealing using polish rod seal device
The problem of reduction.
The device makes steam injection sealing drum, steam injection sealed core cooperate when steam injection is constructed, by above carrying polished rod, then tears open
Except polished rod and hanging pup joint suspension rod string is installed, so that screw pump rotor abjection stator is conceded steam injection channel, pacifies successively later
Fill seal closure, protective cover close well head, finally can since oil pipe four-way steam injection.Well open flow to be boiled in a covered pot over a slow fire is to well head pressure after steam injection
After being reduced to a certain degree with temperature, oil pipe gate is opened in connection production procedure, Wellhead steam injection sealing device is removed later, by light
Bar is connected to steam injection sealed core and transfers, and installs polished rod sealer, and screw pump rotor enters stator, finally installs driving device and is
It can turn to take out.
Using the multiple steam injection sealing technique with thermal production well mouth same security level when steam injection, compare existing only with polished rod
Sealer carries out the technical solution security level higher of steam injection sealing, and avoiding single seal form reduces well head pressure resistance etc.
The defect of pressure control can not be carried out after grade, failure.
Description of the drawings
Fig. 1 is the screw pump well head steam injection schematic diagram of sealing device of the present invention；
Fig. 2 is that screw pump well head of the present invention note adopts integrated optical rod seal apparatus structural schematic diagram.
In figure：Protective cover 1, protective cover relief hole 1-1, seal closure 2, seal closure relief hole 2-1, sealer pedestal 3, pedestal
Upper end conical surface sealing structure 3-1, steam injection sealing drum 4, sealing drum lower end conical surface sealing structure 4-1, steam injection sealed core 5, sealed core
Outer wall conical surface sealing structure 5-1, elevator table top 5-2, hanging pup joint 6, metal conical surface sealing ring 6-1, elevator table top 6-2.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Referring to Fig. 1, the present invention provides a kind of technical solution：Screw pump well head steam injection sealing device, including sealer bottom
Seat 3, steam injection sealing drum 4, steam injection sealed core 5, hanging pup joint 6, the oil pipe four-way upper end of 3 outer wall of sealer pedestal and well head
Mouthful sealed connection, sealer base inner wall are connect with steam injection sealing drum 4, and the steam injection sealed core 5 is from steam injection sealing drum lower end
Mouth penetrates, and extend into sealer chassis interior always, and there are a connecting pole, connecting pole and note in 6 lower face center of the hanging pup joint
The link slot screw thread type of steam packing core upper surface connects, steam injection sealed core lower end connecting with pumping rod 105, under the steam injection sealing drum
Port inner wall opens up sealing drum lower end conical surface sealing structure 4-1, and it is close that the steam injection sealing outer core opens up the sealing outer core conical surface
Seal structure 5-1, sealing drum lower end conical surface sealing structure matches sealing with sealing outer core conical surface sealing structure, described close
Envelope device pedestal upper port inner wall opens up pedestal upper end conical surface sealing structure 3-1, and the hanging pup joint outer wall is provided with hardness than close
The small metal conical surface sealing ring 6-1 of device pedestal is sealed, pedestal upper end conical surface sealing structure is matched with metal conical surface sealing ring
Sealing, sealer pedestal upper end connect seal closure 2, and hanging pup joint is fully located in seal closure, oil pipe four-way upper end
Protective cover 1 is connected, sealer pedestal and seal closure are fully located in protective cover.The seal closure opens up seal closure relief hole 2-1,
The hole is installed by silk plug；The protective cover opens up protective cover relief hole 1-1, which installs silk plug.The steam injection sealing outer core is opened
If elevator table top；The hanging pup joint outer wall also offers elevator table top.
As shown in Fig. 2, screw pump well head note adopts integrated optical rod seal apparatus, including polished rod sealer 109, and polished rod is close
Envelope device is sealed in 108 outer wall of polished rod, further includes sealer pedestal 3, steam injection sealing drum 4, steam injection sealed core 5, the sealer bottom
The sealed connection of oil pipe four-way upper port of seat outer wall and well head, sealer base inner wall is connect with steam injection sealing drum, described close
It seals device pedestal upper end and connects polished rod sealer, steam injection sealed core upper end connects polished rod, the connection oil pumping of steam injection sealed core lower end
Bar, the steam injection sealing drum lower port inner wall open up sealing drum lower end conical surface sealing structure, and the steam injection sealing outer core opens up
Outer core conical surface sealing structure is sealed, sealing drum lower end conical surface sealing structure matches with sealing outer core conical surface sealing structure
Close sealing.
As shown in Fig. 2, oil pipe four-way 101 and four-way junction of casing 102 connect, 101 lower end connected pipes 104 of oil pipe four-way,
102 lower end of four-way junction of casing is connect with casing 103, and during normal production, the sealer pedestal 3 of well mouth sealing device is installed on thermal production well
In the centre bore in the 101 top flange face of oil pipe four-way of mouth, upper part is equipped with polished rod sealer 109, and lower part is equipped with steam injection
Sealing drum 4.The polished rod 108 of oil well is installed on inside polished rod sealer, and well is stretched into across sealer pedestal 3 and steam injection sealing drum 4
Mouth central passage.Steam injection sealed core 5 is connected to 108 lower end of polished rod, and its underpart connects the sucker rod 105 in well.Steam injection is close at this time
It seals core 5 and is detached from steam injection sealing drum 4, be disposed below.Sealed packing can be also installed in the annular space between sealer pedestal 3 and polished rod
Sealing effect for enhancing polished rod sealer in production process.
As shown in Fig. 1, when needing steam injection, driving motor 106 and electric machine support 107 is removed, polished rod 108, polished rod are above carried
Sucker rod uplink in steam injection sealed core 5 and well is driven, after steam injection sealed core 5 enters 4 inside of steam injection sealing drum, is matched therebetween
It closes and forms sealing, cut off borehole pressure.Hereafter the connection between polished rod sealer and sealer pedestal 3 is unclamped, continues above to carry light
Bar makes steam injection sealed core 5 eject the sealed packing in sealer pedestal 3, waits for the elevator table top 5-2 dew on 5 top of steam injection sealed core
After going out the upper surface of sealer pedestal 3, installation elevator hangs steam injection sealed core 5 and underground sucker rod at elevator table top 5-2
In the upper end surface of sealer pedestal 3.It disconnects and being connected between polished rod and steam injection sealed core 5 later, remove polished rod and polished rod seal
Device.And then hanging pup joint 6 is installed to steam injection sealed core 5, it is short slightly to sling suspension for the installation elevator at elevator table top 6-2
Sucker rod in section 6, steam injection sealed core 5 and well removes the elevator being mounted at elevator table top 5-2, then transfers hanging pup joint 6,
Keep the metal conical surface sealing ring 6-1 of its underpart setting at the pedestal upper end conical surface sealing structure 3-1 of 3 upper end of sealer pedestal,
Play the effect of suspension sucker rod and sealing bar pipe ring sky.At this point, the sealing outer core conical surface seal knot of 5 lower part of steam injection sealed core
The sealing drum lower end conical surface sealing structure 4-1 of 4 lower part structure 5-1 and steam injection sealing drum is in discrete state, when borehole pressure is excessively high
Or when jumping so that being pushed up on sucker rod, outer core conical surface sealing structure 5-1 and sealing drum lower end conical surface sealing structure 4-1 is sealed
Be bonded to each other, on the one hand prevent roofbolt continue on alter, on the other hand form self-styled sealing effect, separate borehole pressure, can apply
Play the role of safeguard protection in work operating process.Next elevator at elevator table top 6-2 is removed, by the installation of seal closure 2 to sealing
Device pedestal 3 screws bolt at relief hole 2-1, finally installs protective cover 1 to the oil pipe four-way top flange face of thermal production well mouth
On, screw bolt at relief hole 1-1, or installation pressure gauge.After all installation is complete as shown in Fig. 1.Thermal production well mouth at this time
In high temperature high voltage resistant sealing state, sucker rod above carries rear screw pump rotor abjection stator in well, and steam injection channel is opened, Ke Yijin
Row steam injection operates.
Steam injection finishes, and after boiling in a covered pot over a slow fire well open flow, when needing to turn to take out, it is anti-that pressure gauge detection is installed at the relief hole 1-1 of protective cover 1
1 internal pressure value of shield, it is ensured that when in safe range, remove protective cover 1, otherwise open relief hole and release stress.It removes
After protective cover 1,2 internal pressure value of seal closure is tested from the relief hole 2-1 of seal closure 2, it is ensured that when in safe range, tear open
Except seal closure 2, otherwise opens relief hole and release stress.After removing seal closure 2, installation elevator is slightly hung at elevator table top 6-2
Hanging pup joint 6 is played, after elevator table top 5-2 exposes the upper surface of sealer pedestal 3, installation elevator is outstanding at elevator table top 5-2
Sucker rod in well is hung, hanging pup joint 6 is removed.It is connected to 5 top of steam injection sealed core after polished rod is passed through polished rod sealer later, is torn open
After elevator at elevator table top 5-2, polished rod is transferred.After steam injection sealed core 5 is completely into steam injection sealing drum 4, it can seal
Installation sealed packing to be to enhance the sealing effect of polished rod sealer in production process in annular space between device pedestal 3 and polished rod, it
Polished rod sealer is connected to sealer pedestal 3 afterwards.It is suitable to light surplus to continue decentralization polished rod, after installation polish rod clamp suspension polished rod
Continue that electric machine support and the attachmentes such as driving motor and torque card are installed.After the completion as shown in Fig. 2.Finally connection motor control
Cabinet and after powering on, you can be transferred to production model.
In the description of the present invention, it is to be understood that, temporald eixis or position relationship are orientation based on ... shown in the drawings
Or position relationship, it is merely for convenience of the description present invention, spy must be had by not indicating or implying the indicated device or element
Fixed orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of variations, modification, replace
And modification, the scope of the present invention is defined by the appended.
Claims (4)
1. screw pump well head steam injection sealing device, which is characterized in that including sealer pedestal, steam injection sealing drum, steam injection sealed core,
The sealed connection of oil pipe four-way upper port of hanging pup joint, the sealer base outer wall and well head, sealer base inner wall with
Steam injection sealing drum connects, and the steam injection sealed core is penetrated from steam injection sealing drum lower port, extend into sealer chassis interior always,
Hanging pup joint lower face center has a connecting pole, connecting pole to be connect with the link slot screw thread type of steam injection sealed core upper surface,
Steam injection sealed core lower end connecting with pumping rod, the steam injection sealing drum lower port inner wall open up sealing drum lower end conical surface sealing structure,
The steam injection sealing outer core opens up sealing outer core conical surface sealing structure, sealing drum lower end conical surface sealing structure and sealing
Outer core conical surface sealing structure matches sealing, and the sealer pedestal upper port inner wall opens up pedestal upper end conical surface seal knot
Structure, the hanging pup joint outer wall are provided with the hardness metal conical surface sealing ring smaller than sealer pedestal, end cone face on the pedestal
Sealing structure matches sealing with metal conical surface sealing ring, and sealer pedestal upper end connects seal closure, and hanging pup joint is complete
In seal closure, oil pipe four-way upper end connects protective cover, and sealer pedestal and seal closure are fully located in protective cover.
2. screw pump well head steam injection sealing device according to claim 1, which is characterized in that the seal closure opens up sealing
Silk plug is installed in cover relief hole, the hole；The protective cover opens up protective cover relief hole, which installs silk plug.
3. screw pump well head steam injection sealing device according to claim 1 or 2, which is characterized in that the steam injection sealed core
Outer wall opens up elevator table top；The hanging pup joint outer wall also offers elevator table top.
4. screw pump well head note adopts integrated optical rod seal apparatus, including polished rod sealer, polished rod sealer is sealed in outside polished rod
Wall, which is characterized in that further include sealer pedestal, steam injection sealing drum, steam injection sealed core, the sealer base outer wall and well head
The sealed connection of oil pipe four-way upper port, sealer base inner wall connect with steam injection sealing drum, sealer pedestal upper end
Connection polished rod sealer, steam injection sealed core upper end connection polished rod, steam injection sealed core lower end connecting with pumping rod, the steam injection are close
Sealed tube lower port inner wall opens up sealing drum lower end conical surface sealing structure, and the steam injection sealing outer core opens up the sealing outer core conical surface
Sealing structure, sealing drum lower end conical surface sealing structure match sealing with sealing outer core conical surface sealing structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810309935.6A CN108590563A (en) | 2018-04-08 | 2018-04-08 | Screw pump well head steam injection sealing device and note adopt integrated optical rod seal apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810309935.6A CN108590563A (en) | 2018-04-08 | 2018-04-08 | Screw pump well head steam injection sealing device and note adopt integrated optical rod seal apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108590563A true CN108590563A (en) | 2018-09-28 |
Family
ID=63621481
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810309935.6A Pending CN108590563A (en) | 2018-04-08 | 2018-04-08 | Screw pump well head steam injection sealing device and note adopt integrated optical rod seal apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108590563A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201180511Y (en) * | 2007-11-30 | 2009-01-14 | 南京伟业机械有限公司 | Gas injection, oil extraction shaft mouth apparatus |
| CN102877821A (en) * | 2012-10-29 | 2013-01-16 | 无锡世联丰禾石化装备科技有限公司 | Thickened oil steam huff and puff injection-production integrated device |
| CN203769705U (en) * | 2014-04-15 | 2014-08-13 | 胜利方兰德石油装备股份有限公司 | Polished rod sealing device for thermal recovery |
| WO2016101681A1 (en) * | 2014-12-25 | 2016-06-30 | 新奥气化采煤有限公司 | Well head structure |
| CN106285544A (en) * | 2015-05-25 | 2017-01-04 | 易鲁川 | A kind of thermal recovery steam injection well head obturator |
| CN208152973U (en) * | 2018-04-08 | 2018-11-27 | 中国石油化工股份有限公司 | A kind of screw pump well head steam injection sealing device and note adopt integrated optical rod seal apparatus |
-
2018
- 2018-04-08 CN CN201810309935.6A patent/CN108590563A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201180511Y (en) * | 2007-11-30 | 2009-01-14 | 南京伟业机械有限公司 | Gas injection, oil extraction shaft mouth apparatus |
| CN102877821A (en) * | 2012-10-29 | 2013-01-16 | 无锡世联丰禾石化装备科技有限公司 | Thickened oil steam huff and puff injection-production integrated device |
| CN203769705U (en) * | 2014-04-15 | 2014-08-13 | 胜利方兰德石油装备股份有限公司 | Polished rod sealing device for thermal recovery |
| WO2016101681A1 (en) * | 2014-12-25 | 2016-06-30 | 新奥气化采煤有限公司 | Well head structure |
| CN106285544A (en) * | 2015-05-25 | 2017-01-04 | 易鲁川 | A kind of thermal recovery steam injection well head obturator |
| CN208152973U (en) * | 2018-04-08 | 2018-11-27 | 中国石油化工股份有限公司 | A kind of screw pump well head steam injection sealing device and note adopt integrated optical rod seal apparatus |
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