CN108442898A - Well head sealing means for oil prodn. well - Google Patents
Well head sealing means for oil prodn. well Download PDFInfo
- Publication number
- CN108442898A CN108442898A CN201810261174.1A CN201810261174A CN108442898A CN 108442898 A CN108442898 A CN 108442898A CN 201810261174 A CN201810261174 A CN 201810261174A CN 108442898 A CN108442898 A CN 108442898A
- Authority
- CN
- China
- Prior art keywords
- packing
- main body
- well
- lock block
- pushing block
- 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 24
- 238000012856 packing Methods 0.000 claims abstract description 59
- 230000000694 effects Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000007596 consolidation process Methods 0.000 description 2
- 239000003129 oil well Substances 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002699 waste material 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
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/02—Surface sealing or packing
- E21B33/03—Well heads; Setting-up thereof
-
- 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
- E21B23/00—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Sealing Devices (AREA)
Abstract
The present invention is to be related to a kind of improvement of wellhead sealing device structure.Well head sealing means for oil prodn. well, including main body, there is lower body part packing to add real part, the packing adds real part to be that internal diameter is less than inner major diameter, main body upper end is equipped with packing conveyer, and the packing conveyer includes the turntable being rotatably connected with main body upper port, and turntable lower end is equipped with pushing block, the pushing block lower surface is obliquely installed, and pushing block is set to the body interior；Side helps lifting device equipped with packing in the middle part of main body.The present invention is not necessarily to aclosed well when replacing packing, only need to rotate packing conveyer, and the pushing block of packing conveyer will be pushed down on packing is a-circle-by-a-circle, be not necessarily to stop well in this way, you can increase packing reaches sealing effect.The mode for not stopping well is greatly improved oil-producing efficiency.
Description
Technical field
The present invention is to be related to a kind of improvement of wellhead sealing device structure.
Background technology
In current oil exploitation, oil pumping polish rod pumps in mouth of pumped oil well, and sealing between the two is asked
What topic was mainly realized by sealer of the inside equipped with packing.Existing sealer needs to stop well replacement when replacing packing,
Oil well production efficiency is reduced, frequent aclosed well replaces sealer packing, be easy to cause well accident of lying, and labor intensity
Greatly.
Invention content
In view of the deficienciess of the prior art, technical problem to be solved by the invention is to provide when a kind of increase packing without
Need the well head sealing means for oil prodn. well of aclosed well.
The present invention adopts the following technical scheme that complete：Well head sealing means for oil prodn. well, including main body, lower body part tool
There is packing to add real part, the packing that real part is added to be that internal diameter is less than inner major diameter, it is characterised in that：Main body upper end is conveyed equipped with packing
Device, the packing conveyer include the turntable being rotatably connected with main body upper port, and turntable lower end is equipped with pushing block, described to push away
Motion block lower surface is obliquely installed, and pushing block is set to the body interior, and both ends are equipped with handle on the outside of turntable；In main body medial side
Side helps lifting device equipped with packing, and it includes gear and rack that the packing, which helps lifting device, and rack is set to packing in main body and adds real part
Place, wheel and rack are meshed, and handle is equipped in the middle part of gear, and bearing is sealed between handle and main body and is connected.
As a preferred embodiment, the packing conveyer lower end is equipped with mold compacting device, under the mold compacting device includes
Briquetting, the lower lock block in a ring, are threadedly coupled between lower lock block and body interior, are equipped with handle in lower lock block both sides, are pushed
Block is set to body interior, corresponding with lower lock block equipped with up big and down small round table-like slot in body interior side, in main body
Side is equipped with straight slot corresponding with two side grip of lower lock block；In use, the handle of rotation lower lock block both sides, lower lock block are transported downwards
Dynamic, handle moves in the straight slot of main body side, and lower lock block moves downward in up big and down small round table-like slot, while by main body
Interior packing is pressed downward, and plays the role of consolidation.
As another preferred embodiment, it is equipped with sealer device for adjusting deviation in lower body part, under the sealer device for adjusting deviation includes
Main body, lower body top are equipped with displaceable body, are connected by sealing element between displaceable body and lower main body, set on sealing element top
There is flange fixed cover；In use, displaceable body can be detached with lower main body at sealing element, so as to adjust the position of displaceable body
It sets, avoids polished rod excessive wear.
As another preferred embodiment, the waste and old belt of pumping unit can be selected in the packing, saves cost.
The beneficial effects of the invention are as follows：The present invention is not necessarily to aclosed well when replacing packing, only need to rotate packing conveyer,
The pushing block of packing conveyer will be pushed down on packing is a-circle-by-a-circle, be not necessarily to stop well in this way, you can increase packing, reach
Sealing effect.The mode for not stopping well is greatly improved oil-producing efficiency.
Description of the drawings
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is that main body, packing conveyer, mold compacting device and packing have helped device structural schematic diagram in Fig. 1.
Fig. 3 is the sealing device for adjusting deviation structural schematic diagram of the lower parts Fig. 1.
In figure, 1 is packing conveyer；2 be mold compacting device；Based on 3,4 be packing help lifting device, 5 be packing add real part,
6 be lower main body, 7 be displaceable body, 8 is sealing element.
Specific implementation mode
Present invention is further described in detail with reference to the accompanying drawings and detailed description.
In order to make the technical problems, technical solutions and beneficial effects solved by the present invention be more clearly understood, below in conjunction with
Specific embodiment, invention is further explained.It should be appreciated that specific embodiment described herein is only used to explain
The present invention is not intended to limit the present invention.
With reference to the accompanying drawings shown in 1-3, there is packing to add real part 5, institute for well head sealing means for oil prodn. well, including main body, lower body part
Stating packing adds real part 5 to be that internal diameter is less than inner major diameter, and packing stretches into main body from main body upper end, and spiraling is pressed in packing and adds real part position
It sets；Main body upper end is equipped with packing conveyer 1, and the packing conveyer 1 includes being turned by what bearing was connect with main body upper port
Disk, turntable lower end are equipped with pushing block, and the pushing block lower surface is obliquely installed, and pushing block is set to the body interior, turntable
Outside both ends are equipped with handle, and packing conveys downwards from main body upper end, enter between main body and polished rod on the inside of pushing block, and rotation turns
Disk and pushing block can push packing that spiral is presented below pushing block, thus can be by the a-circle-by-a-circle downward conveying of packing
；Side helps lifting device 4 equipped with packing in the middle part of main body, and it includes gear and rack that the packing, which helps lifting device 4, and rack is set to
Packing adds at real part in main body, and the setting of specific rack adds at real part inner wall being close to packing, and wheel and rack is meshed, gear
Middle part be equipped with handle, between handle and main body seal bearing be connected, help lifting device to play the role of having assisted packing, when needs more
It is moved upwards by gear driving rack when removable disk root, the packing of compression is loosened.
1 lower end of packing conveyer is equipped with mold compacting device 2, and the mold compacting device 2 includes lower lock block, the lower lock block
In a ring, it is threadedly coupled between lower lock block and body interior, is equipped with handle in lower lock block both sides, lower lock block is set in main body
Portion, body interior side it is corresponding with lower lock block be equipped with up big and down small round table-like slot, main body side be equipped with and pushing
The corresponding straight slot of two side grip of block；In use, the handle of rotation lower lock block both sides, lower lock block move downward, handle is in main body
Movement, lower lock block move downward in up big and down small round table-like slot in the straight slot of side, while the packing in main body is downward
Pressure, plays the role of consolidation.
It is equipped with sealer device for adjusting deviation in lower body part, the sealer device for adjusting deviation includes lower main body 6, and lower 6 top of main body is set
There is displaceable body 7, connected by sealing element 8 between displaceable body 7 and lower main body 6, is fixed equipped with flange on 8 top of sealing element
Lid；In use, can detach displaceable body with lower main body at sealing element, so as to adjust the position of displaceable body, polished rod is avoided
Excessive wear.
The preferred embodiment of the present invention has been described in detail above.It should be appreciated that those skilled in the art without
It needs creative work according to the present invention can conceive and makes many modifications and variations.Therefore, all technologies in the art
Personnel are available by logical analysis, reasoning, or a limited experiment on the basis of existing technology under this invention's idea
Technical solution, all should be in the protection domain being defined in the patent claims.
Claims (3)
1. well head sealing means for oil prodn. well, including main body, there is lower body part packing to add real part, the packing that real part is added to be that internal diameter is small
In inner major diameter, it is characterised in that：Main body upper end is equipped with packing conveyer, and the packing conveyer includes and main body upper port
The turntable being rotatably connected, turntable lower end are equipped with pushing block, and the pushing block lower surface is obliquely installed, and pushing block is set to described
Body interior, both ends are equipped with handle on the outside of turntable；Side helps lifting device, the packing to help lifting device equipped with packing in the middle part of main body
Including gear and rack, rack is set to packing in main body and adds at real part, and wheel and rack is meshed, and handle is equipped in the middle part of gear
Hand seals bearing and is connected between handle and main body.
2. well head sealing means for oil prodn. well according to claim 1, it is characterised in that：The packing conveyer lower end is equipped with
Mold compacting device, the mold compacting device include lower lock block, and in a ring, screw thread connects the lower lock block between lower lock block and body interior
It connects, handle is equipped in lower lock block both sides, lower lock block is set to body interior, sets body interior side is corresponding with lower lock block
There is up big and down small round table-like slot, straight slot corresponding with two side grip of lower lock block is equipped in main body side.
3. well head sealing means for oil prodn. well according to claim 1, it is characterised in that：It is equipped with sealer tuningout in lower body part
Device, the sealer device for adjusting deviation include lower main body, and lower body top is equipped with displaceable body, passes through between displaceable body and lower main body
Sealing element connects, and flange fixed cover is equipped on sealing element top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810261174.1A CN108442898A (en) | 2018-03-28 | 2018-03-28 | Well head sealing means for oil prodn. well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810261174.1A CN108442898A (en) | 2018-03-28 | 2018-03-28 | Well head sealing means for oil prodn. well |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108442898A true CN108442898A (en) | 2018-08-24 |
Family
ID=63197502
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810261174.1A Pending CN108442898A (en) | 2018-03-28 | 2018-03-28 | Well head sealing means for oil prodn. well |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108442898A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111706278A (en) * | 2020-07-07 | 2020-09-25 | 中国石油天然气股份有限公司 | Injection well operation pulls out tubular column auxiliary device |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6199630B1 (en) * | 1999-02-25 | 2001-03-13 | Alberta Basic Industries, Ltd. | Pull-through tubing string rotator for an oil well |
| CN2576956Y (en) * | 2002-10-09 | 2003-10-01 | 胜利石油学校实习工厂 | Offsetting anti-theft radial polish rod sealing device |
| CN2656619Y (en) * | 2003-11-05 | 2004-11-17 | 李运柱 | Polish rod sealer for pumping well |
| CN2731079Y (en) * | 2004-10-01 | 2005-10-05 | 穆涛 | Wearing-resisting smooth rod seal device for oil pumping well head |
| CN2743533Y (en) * | 2004-11-05 | 2005-11-30 | 张凤 | Multifunction eruption proof device |
| CN104153736A (en) * | 2014-07-31 | 2014-11-19 | 张红卫 | Side entering type well-shutdown-free sealing device and application method thereof |
| CN205734686U (en) * | 2016-05-11 | 2016-11-30 | 中国石油天然气股份有限公司 | Packing adds gets device |
-
2018
- 2018-03-28 CN CN201810261174.1A patent/CN108442898A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6199630B1 (en) * | 1999-02-25 | 2001-03-13 | Alberta Basic Industries, Ltd. | Pull-through tubing string rotator for an oil well |
| CN2576956Y (en) * | 2002-10-09 | 2003-10-01 | 胜利石油学校实习工厂 | Offsetting anti-theft radial polish rod sealing device |
| CN2656619Y (en) * | 2003-11-05 | 2004-11-17 | 李运柱 | Polish rod sealer for pumping well |
| CN2731079Y (en) * | 2004-10-01 | 2005-10-05 | 穆涛 | Wearing-resisting smooth rod seal device for oil pumping well head |
| CN2743533Y (en) * | 2004-11-05 | 2005-11-30 | 张凤 | Multifunction eruption proof device |
| CN104153736A (en) * | 2014-07-31 | 2014-11-19 | 张红卫 | Side entering type well-shutdown-free sealing device and application method thereof |
| CN106677734A (en) * | 2014-07-31 | 2017-05-17 | 张红卫 | Using method for sealer of well mouth of oil field |
| CN205734686U (en) * | 2016-05-11 | 2016-11-30 | 中国石油天然气股份有限公司 | Packing adds gets device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111706278A (en) * | 2020-07-07 | 2020-09-25 | 中国石油天然气股份有限公司 | Injection well operation pulls out tubular column auxiliary device |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180824 |
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| WD01 | Invention patent application deemed withdrawn after publication |