CN109538152A - Multi-functional oil recovery tree packing box set group device - Google Patents
Multi-functional oil recovery tree packing box set group device Download PDFInfo
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- CN109538152A CN109538152A CN201910089370.XA CN201910089370A CN109538152A CN 109538152 A CN109538152 A CN 109538152A CN 201910089370 A CN201910089370 A CN 201910089370A CN 109538152 A CN109538152 A CN 109538152A
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- box
- claw
- packing box
- packing
- hole
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- 238000012856 packing Methods 0.000 title claims abstract description 97
- 238000011084 recovery Methods 0.000 title claims abstract description 22
- 210000000078 claw Anatomy 0.000 claims abstract description 56
- 239000007787 solid Substances 0.000 claims 2
- 239000000945 filler Substances 0.000 abstract description 5
- 238000007789 sealing Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 8
- 241001023788 Cyttus traversi Species 0.000 description 6
- 230000008901 benefit Effects 0.000 description 3
- 235000014121 butter Nutrition 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000005086 pumping Methods 0.000 description 3
- 239000002689 soil Substances 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 239000003129 oil well Substances 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 241000271480 Lachesis muta Species 0.000 description 1
- 241000406668 Loxodonta cyclotis Species 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000001932 seasonal effect Effects 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
- E21B19/24—Guiding or centralising devices for drilling rods or pipes
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (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)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
Abstract
The present invention discloses a kind of multi-functional oil recovery tree packing box set group device, it is related to oil field equipment technical field, centralising device is fixed on packing box top, packing box is for being fixed on well head, centralising device and packing box are for being sheathed on outside polished rod, centralising device includes chuck body and multiple claws, chuck body upper surface is circumferentially provided with multiple sliding slots, claw and sliding slot correspond, each claw lower part is fixed with a sliding block, sliding block can the radial direction in sliding slot along chuck body reciprocatingly slide, through-hole is provided on claw, outer surface and inner surface of the through-hole through claw, bearing is installed in through-hole, the axial direction of bearing and the axial direction of chuck body are perpendicular, bearing can be contacted with polished rod.Multi-functional oil recovery tree packing box set group device provided by the invention, it is ensured that the centering of oil-extractor polish-rod and well head avoids the generation of friction phenomenon, shortens the replacement cycle of wellhead sealing filler and polished rod.
Description
Technical field
The present invention relates to oil field equipment technical fields, cover and assemble more particularly to a kind of multi-functional oil recovery tree packing box
It sets.
Background technique
During using pumping unit, the friction phenomenon of oil-extractor polish-rod and well head is more universal, and inclined in current each oil field
The appearance of mill phenomenon has a Rules of Seasonal Changes again, Daqing oil field May to the high-incidence season between June being well head generation eccentric wear,
Producing cause has: 1, the natural subsidence of oil-pump base, and sedimentation degree is mainly contained by oil-pump base soil property and soil property periphery
Water and aqueous distribution situation are determined.2, well head is displaced, and mainly makes soil property around well head, the technique of connection by environment temperature
Pipeline generates non-uniform expansion, shrinks institute extremely, generates eccentric wear and causes to be seriously worn to polished rod and packing, or even causes polished rod report
It is useless.
When the previous friction phenomenon for oil-extractor polish-rod and well head occur, adjustment walking beam bracket (front and back) and horse head are generallyd use
Jackscrew on (left and right) is finely adjusted walking beam, and jackscrew adjustable range is limited, is 50mm, and actually available adjustable range is
25mm, and by installation error influenced, want that reach centering perfect condition is not easy very much, as over range centering adjustment spacing (25~
30mm) equipment is unable to complete.Take plus packing in terms of, the consumption of well head packing is very big (replacing 1 set within average every 15 days), for
The well replacement cycle of eccentric wear is shorter, when taking out the operation of old packing since the narrow space lower layer packing between packing box and polished rod hooks
Take it is very difficult, it is time-consuming and laborious.Existing well head offset is that the offset of polished rod is passively followed to be adjusted, no matter bulb on packing box
Tuningout or eccentric deviation correcting device are limited by deflection-regulating range, and tuningout effect is undesirable.
Summary of the invention
In order to solve the above technical problems, the present invention provides a kind of multi-functional oil recovery tree packing box set group device, it is ensured that takes out
The centering of oil machine polished rod and well head avoids the generation of friction phenomenon, shortens the replacement cycle of wellhead sealing filler and polished rod.
To achieve the above object, the present invention provides following schemes:
The present invention provides a kind of multi-functional oil recovery tree packing box set group device, including centralising device and packing box, described right
Middle device is fixed on the packing box top, and the packing box is for being fixed on well head, the centralising device and the packing
Box is for being sheathed on outside polished rod, and the centralising device includes chuck body and multiple claws, and the chuck body upper surface is circumferentially set
Multiple sliding slots are equipped with, the claw and the sliding slot correspond, and each claw lower part is fixed with a sliding block, the sliding block
Can the radial direction in the sliding slot along the chuck body reciprocatingly slide, through-hole, the through-hole are provided on the claw
Outer surface and inner surface through the claw are equipped with bearing, the axial direction of the bearing and the card in the through-hole
The axial direction of disk body is perpendicular, and the bearing can be contacted with polished rod.
Preferably, the centralising device further includes fixed stiffening plate and multiple screws, and the fixed stiffening plate is circumferentially arranged
There are multiple waist-shaped holes, the waist-shaped hole and the claw correspond, and a screw can pass through a waist-shaped hole
And it extends to and is fixedly connected with the fixed stiffening plate with the claw in the corresponding claw.
Preferably, the through-hole position of the setting there are two the through-hole, on the same claw on each claw
In being equipped with the bearing in the surface of another through-hole, each through-hole, one on the same claw
The bearing is located at the surface of another bearing.
Preferably, the centralising device further includes multiple bolts and multiple nuts, the bolt and the nut with it is described
Bearing corresponds, a side of claw described in the screw bolt passes, the bearing being set in the through-hole and
Another side of the claw, and one end that the bolt stretches out is fastened by the nut.
Preferably, the structure of the sliding block and the sliding slot matches, and the cross section of the sliding slot is I-shaped, the cunning
The cross section of block is I-shaped.
Preferably, the centralising device further includes chuck bottom plate, and the chuck bottom plate is fixed on the following table of the chuck body
Face, the chuck bottom plate are fixedly connected with the packing box.
Preferably, the packing box includes packing lid, packing pressure cap, stuffing-box, thread bush and multiple packings, the packing
Lid, the stuffing-box and the thread bush are from top to bottom set gradually, and the stuffing-box is sheathed on inside the packing lid, described
Stuffing-box is threadedly connected to outside the thread bush, the thread bush for being fixed on well head, in the stuffing-box by up to
Under be disposed with the packing pressure cap and multiple packings.
Preferably, the packing box further includes oil box, and the oil box is set in the stuffing-box, the top of the oil box
It is provided at least one described packing with lower section, oil nozzle, the oil nozzle and the oil are provided on the side wall of the stuffing-box
Box position is corresponding.
Preferably, the lower end of the stuffing-box inner sidewall is provided with the first lug boss, and the thread bush includes thread bush master
Body and the second lug boss, second lug boss are set to the top of the thread bush main body, and second lug boss is set to
Inside the stuffing-box, the thread bush main body is threadedly coupled with first lug boss.
The present invention achieves following technical effect compared with the existing technology:
Multi-functional oil recovery tree packing box set group device of the invention, centralising device is set to above packing box, with multiple bands
The claw of bearing carries out centering positioning to polished rod, the size between multiple claws by chuck body can synchronous adjustment, to adapt to not
With the polished rod of size, the offset of polished rod is limited by the way that centralising device is arranged above packing box, polished rod is more fully utilized
The slave kinetic force of the elasticity capacity and well head that itself have, it is ensured that it is existing to have prevented eccentric wear for the centering of oil-extractor polish-rod and well head
The generation of elephant, tightness when ensuring that blowout preventer valve is closed with this prevent to replace race leakage phenomenon when packing, shorten well head
The replacement cycle of airtight and watertight padding and polished rod reduces production cost to promote the production cycle of oil well, improves productivity effect.
Detailed description of the invention
It in order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, below will be to institute in embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the invention
Example, for those of ordinary skill in the art, without creative efforts, can also obtain according to these attached drawings
Obtain other attached drawings.
Fig. 1 is the structural schematic diagram of multi-functional oil recovery tree packing box set group device provided by the invention；
Fig. 2 is the cross-sectional view of multi-functional oil recovery tree packing box set group device provided by the invention；
Fig. 3 is the top view of Fig. 1；
Fig. 4 is schematic diagram when multi-functional oil recovery tree packing box set group device provided by the invention uses；
Fig. 5 is the schematic diagram of tuningout mode in the prior art.
Description of symbols: 1, polished rod；2, centralising device；21, chuck body；22, claw；23, sliding block；24, through-hole；25,
Bearing；26, fixed stiffening plate；27, screw；28, waist-shaped hole；29, chuck bottom plate；3, packing box；31, packing lid；32, filler
Letter；321, the first lug boss；33, thread bush；331, thread bush main body；332, the second lug boss；34, packing pressure cap；35, disk
Root；36, oil box；37, oil nozzle；4, walking beam；5, horse head；6, walking beam jackscrew；7, horse head jackscrew.
Specific embodiment
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 description, 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.
The present invention provides a kind of multi-functional oil recovery tree packing box set group device, it is ensured that pair of oil-extractor polish-rod and well head
In, the generation of friction phenomenon is avoided, the replacement cycle of wellhead sealing filler and polished rod is shortened.
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, with reference to the accompanying drawing and specific real
Applying mode, the present invention is described in further detail.
As shown in Figs 1-4, the present embodiment provides a kind of multi-functional oil recovery tree packing box set group devices, including centralising device 2
With packing box 3, centralising device 2 is fixed on 3 top of packing box, and packing box 3 is for being fixed on well head, centralising device 2 and packing
Box 3 is for being sheathed on outside polished rod 1, and centralising device 2 includes chuck body 21 and multiple claws 22, and 21 upper surface of chuck body is circumferentially set
Multiple sliding slots are equipped with, claw 22 and sliding slot correspond, and each 22 lower part of claw is fixed with a sliding block 23, and sliding block 23 can be in cunning
Radial direction in slot along chuck body 21 reciprocatingly slides, and through-hole 24 is provided on claw 22, claw 22 is close to the one side of polished rod 1
Inner surface, one side of the claw 22 far from polished rod 1 is outer surface, and two faces for connecting outer surface and outer surface are the side of claw 22
Face, through-hole 24 run through outer surface and the inner surface of claw 22, are equipped with bearing 25, the axial direction and card of bearing 25 in through-hole 24
The axial direction of disk body 21 is perpendicular, and bearing 25 can be contacted with polished rod 1, makes 2 pairs of light of centralising device by the way that bearing 25 is arranged
While bar 1 carries out centering positioning, guarantee that polished rod 1 can move up and down in centralising device 2.
As shown in figure 5, generalling use the horse head jackscrew on the walking beam jackscrew 6 and horse head 5 on adjustment walking beam 4 in the prior art
7 pairs of walking beams 4 are finely adjusted, and the adjustable range of walking beam jackscrew 6 and horse head jackscrew 7 is limited, generally 50mm, and actually available tune
Adjusting range is 25mm, while being influenced by installation error, wants that reach centering perfect condition is not easy very much, as between over range centering adjustment
It is unable to complete away from (25~30mm) equipment.Compared with tuningout mode in the prior art, polished rod 1 is taken full advantage of in the present embodiment
The slave kinetic force of the elasticity capacity and well head that itself have limits polished rod 1 by the way that centralising device 2 is arranged above packing box 3
Offset, it is ensured that the centering of polished rod 1 and well head has prevented the generation of friction phenomenon, with this ensure blowout preventer valve close when
Tightness, prevent replace packing 35 when race leakage phenomenon.
Size between multiple claws 22 by chuck body 21 can synchronous adjustment, to adapt to various sizes of polished rod 1.Specifically
Ground, centralising device 2 further include fixed stiffening plate 26 and multiple screws 27, and fixed stiffening plate 26 is circumferential to be provided with multiple waist-shaped holes
28, waist-shaped hole 28 and claw 22 correspond, and a screw 27 can pass through a waist-shaped hole 28 and extend to corresponding claw 22
It is interior to be fixedly connected with fixed stiffening plate 26 with claw 22.When needing to adjust the size between claw 22, by the screw on claw 22
27 unscrew, so that claw 22 adjusts the size between claw 22 sliding in the sliding slot of chuck body 21 by sliding block 23, adjust
To suitably sized and then tighten screw 27 so that fixed stiffening plate 26 is fixed with claw 22.
In order to further enhance the positioning centering effect of centralising device 2, there are two through-holes 24 for setting on each claw 22, same
A through-hole 24 on claw 22 is located at the surface of another through-hole 24, and a bearing 25 is equipped in each through-hole 24, same
A bearing 25 on claw 22 is located at the surface of another bearing 25.
Centralising device 2 further includes multiple bolts and multiple nuts, and screw bolt and nut and bearing 25 correspond, and bolt is successively
Across a side of claw 22, another side of the bearing 25 and claw 22 that are set in through-hole 24, and bolt stretches out
One end is fastened by nut.
Sliding block 23 and the structure of sliding slot match, the cross section of sliding slot be it is I-shaped, the cross section of sliding block 23 be it is I-shaped,
Movement of the sliding block 23 relative to sliding slot on the axial direction of chuck body 21 is limited by setting I-shaped structure.
Centralising device 2 further includes chuck bottom plate 29, and chuck bottom plate 29 is fixed on the lower surface of chuck body 21, chuck bottom plate 29
It is fixedly connected with packing box 3.
Packing box 3 includes packing lid 31, packing pressure cap 34, stuffing-box 32, thread bush 33 and multiple packings 35, packing lid
31, stuffing-box 32 and thread bush 33 are from top to bottom set gradually, and stuffing-box 32 is sheathed on inside packing lid 31,32 screw thread of stuffing-box
It is connected to outside thread bush 33, thread bush 33 is from top to bottom disposed with packing in stuffing-box 32 for being fixed on well head
Pressure cap 34 and multiple packings 35.Using the seperated design being threadedly engaged, stuffing-box 32 passes through screw thread for stuffing-box 32 and thread bush 33
Covering 33 backspins makes packing 35 in stuffing-box 32 expose and then facilitate taking-up, and adding also only need to be superimposed set for 35 mismatch of packing when packing 35
It takes and is well placed precession stuffing-box 32 and can complete to operate, take plus packing 35 becomes convenient and efficient.When being installed to packing box 3
Using packing box polished rod fixture, so that installation process is safer, firm stable.
Since centralising device 2 has ensured the center position of polished rod 1, the abrasion for reducing packing 35 can reduce packing 35
Quantity designs installation oil box 36 in former spatial position, is provided at least one packing 35, filler above and below oil box 36
Oil nozzle 37 is provided on the side wall of letter 32, oil nozzle 37 is corresponding with 36 position of oil box, and oil nozzle 37 is used to inject into oil box 35 yellow
Oil.By filling the effect of playing butter when butter makes pumping unit work in oil box 36, butter have lubrication, it is cooling, in
The effect of the oxidation corrosion of protective film and reduction polished rod 1 is formed with pH value, outside polished rod 1.
In order to avoid stuffing-box 32 and thread bush 33 are detached from, the lower end of 32 inner sidewall of stuffing-box is provided with the first lug boss
321, thread bush 33 includes thread bush main body 331 and the second lug boss 332, and the second lug boss 332 is set to thread bush main body 331
Top, the second lug boss 332 is set to inside stuffing-box 32, and thread bush main body 331 is threadedly coupled with the first lug boss 321.
It is tested using the device in the present embodiment, experiment well master data includes: 1, walking beam bracket bottom edge and well head
Linear distance: by taking CYJY10-353HB type rod-pumped well as an example, walking beam bracket bottom edge and well head linear distance are the (scene 2000mm
Subject to actual measurement).2, well head height: by basic point of ground, its 250 model production tree height is 1000mm (field measurement).3, well
Mouth displacement production tree inclination angle becomes: well head is displaced 30mm, and angle becomes 1 degree of <；Well head is displaced 40mm, and angle becomes 1 degree of <.To rod-pumped well
When being tested, so that experiment well head offsets to preceding 43mm, to the left 36mm (deviation that pumping unit and well head can not adjust), at once
Centering, significant effect are completed, original needs to change 1 packing 35 for 1 month and need to fasten daily 2 times, interior without more for a long time after centering
Removable disk root 35, packing 35 fasten also from becoming 2 times a day three days 1 time.
Well head eccentric wear not only scraps the abrasion of polished rod 1, causes economic loss, and therefore airtight and watertight padding can also be worn constantly
It is replaced and generates additional economic loss, eccentric wear shortens the wellhead sealing replacement period, when replacing airtight and watertight padding
Halt production and manually also produce certain economic loss, must be replaced if 1 serious wear of polished rod and replace 1 cost of polished rod more
Greatly.In the present embodiment device application effectively solve such environmental effects caused by well head friction phenomenon, thus guarantee oil well compared with
The long production cycle reduces production cost, improves productivity effect, will generate considerable economic benefit as popularized in an all-round way.
The production cost specifically saved is as follows, before the device in the present embodiment: every month replaces 2 sets of packings 35, often
Covering packing 35 is 100 yuan, individual well year consumption: 24 × 100=2400 (member)；After the device in the present embodiment: every 2 months more
Change 1 set of packing 35.Individual well year consumption: 6 × 100=600 (member)；It is being saved in individual well year for the use of packing 35: 2400-600=
1800 (members).Before the device in the present embodiment: because replacing 1 within the damage of polished rod 1 averagely every 3 months caused by eccentric wear, every light
Bar 1 is 2000 yuan, individual well year consumption: 4 × 2000=8000 (member)；After the device in the present embodiment: annual replacement 1,
The consumption of individual well year: 1 × 2000=2000 (member) is being saved: 8000-2000=6000 (member) in individual well year for the use of polished rod 1.
Saving total value individual well year is 6000+1800=7800 (member).
Apply that a specific example illustrates the principle and implementation of the invention in this specification, above embodiments
Explanation be merely used to help understand method and its core concept of the invention；At the same time, for those skilled in the art,
According to the thought of the present invention, there will be changes in the specific implementation manner and application range.In conclusion in this specification
Appearance should not be construed as limiting the invention.
Claims (9)
1. a kind of multi-functional oil recovery tree packing box set group device, which is characterized in that including centralising device and packing box, the centering
Device is fixed on the packing box top, and the packing box is for being fixed on well head, the centralising device and the packing box
For being sheathed on outside polished rod, the centralising device includes chuck body and multiple claws, and the chuck body upper surface is circumferentially arranged
There are multiple sliding slots, the claw and the sliding slot correspond, and each claw lower part is fixed with a sliding block, the sliding block energy
Enough radial directions in the sliding slot along the chuck body reciprocatingly slide, and through-hole are provided on the claw, the through-hole passes through
Outer surface and the inner surface of the claw are worn, bearing, the axial direction of the bearing and the chuck are installed in the through-hole
The axial direction of body is perpendicular, and the bearing can be contacted with polished rod.
2. multi-functional oil recovery tree packing box set group device according to claim 1, which is characterized in that the centralising device is also
Including fixed stiffening plate and multiple screws, the fixed stiffening plate is circumferentially provided with multiple waist-shaped holes, the waist-shaped hole and described
Claw corresponds, and screw can pass through a waist-shaped hole and extend to will be described solid in the corresponding claw
Determine stiffening plate to be fixedly connected with the claw.
3. multi-functional oil recovery tree packing box set group device according to claim 1, which is characterized in that set on each claw
It sets there are two the through-hole, a through-hole on the same claw is located at the surface of another through-hole, each institute
It states and the bearing is installed in through-hole, a bearing on the same claw is being located at another described bearing just
Top.
4. multi-functional oil recovery tree packing box set group device according to claim 3, which is characterized in that the centralising device is also
Including multiple bolts and multiple nuts, the bolt and the nut and the bearing are corresponded, the screw bolt passes
One side of the claw, the bearing and the claw being set in the through-hole another side, and the spiral shell
One end that bolt stretches out is fastened by the nut.
5. multi-functional oil recovery tree packing box set group device according to claim 1, which is characterized in that the sliding block with it is described
The structure of sliding slot matches, the cross section of the sliding slot be it is I-shaped, the cross section of the sliding block is I-shaped.
6. multi-functional oil recovery tree packing box set group device according to claim 1, which is characterized in that the centralising device is also
Including chuck bottom plate, the chuck bottom plate is fixed on the lower surface of the chuck body, and the chuck bottom plate and the packing box are solid
Fixed connection.
7. multi-functional oil recovery tree packing box set group device according to claim 1, which is characterized in that the packing box includes
Packing lid, packing pressure cap, stuffing-box, thread bush and multiple packings, the packing lid, the stuffing-box and the thread bush are by upper
It is set gradually under, the stuffing-box is sheathed on inside the packing lid, and the stuffing-box is threadedly connected to outside the thread bush
Portion, the thread bush are from top to bottom disposed with the packing pressure cap and more for being fixed on well head in the stuffing-box
A packing.
8. multi-functional oil recovery tree packing box set group device according to claim 7, which is characterized in that the packing box also wraps
Oil box is included, the oil box is set in the stuffing-box, at least one described disk is provided with above and below the oil box
Root is provided with oil nozzle on the side wall of the stuffing-box, and the oil nozzle is corresponding with the oil box position.
9. multi-functional oil recovery tree packing box set group device according to claim 7, which is characterized in that on the inside of the stuffing-box
The lower end of wall is provided with the first lug boss, and the thread bush includes thread bush main body and the second lug boss, second lug boss
It is set to the top of the thread bush main body, second lug boss is set to inside the stuffing-box, the thread bush main body
It is threadedly coupled with first lug boss.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910089370.XA CN109538152A (en) | 2019-01-30 | 2019-01-30 | Multi-functional oil recovery tree packing box set group device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910089370.XA CN109538152A (en) | 2019-01-30 | 2019-01-30 | Multi-functional oil recovery tree packing box set group device |
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| CN109538152A true CN109538152A (en) | 2019-03-29 |
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| CN201910089370.XA Pending CN109538152A (en) | 2019-01-30 | 2019-01-30 | Multi-functional oil recovery tree packing box set group device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110685630A (en) * | 2019-10-30 | 2020-01-14 | 宋晶鑫 | Multifunctional Christmas tree packing box device |
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| CN2116075U (en) * | 1992-04-23 | 1992-09-16 | 机械电子部兰州石油机械研究所 | Sealing centralizer for sucker rod |
| CN2799837Y (en) * | 2005-06-20 | 2006-07-26 | 梁学柱 | Deflection preventing device for polished rod of pumping unit |
| CN201474628U (en) * | 2009-07-30 | 2010-05-19 | 无锡金帆钻凿设备有限公司 | Drill stem righting mechanism |
| CN202132010U (en) * | 2011-06-29 | 2012-02-01 | 中国石油化工股份有限公司胜利油田分公司孤东采油厂 | Bearing type self-lubricating sealer for polish rod |
| CN202745742U (en) * | 2012-06-21 | 2013-02-20 | 中国石油天然气股份有限公司 | Three jaw chuck type wellhead elevator |
| US9605506B1 (en) * | 2013-10-17 | 2017-03-28 | Jameson Specialties, Inc. | Apparatus for automatically lubricating an oil well sucker rod stuffing box |
| CN207315286U (en) * | 2017-09-27 | 2018-05-04 | 中国石油天然气股份有限公司 | The polish rod seal device of pumping unit |
| CN209457910U (en) * | 2019-01-30 | 2019-10-01 | 卞洪丽 | Multi-functional oil recovery tree packing box set group device |
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