CN108561103A - A kind of paraffin removal device in pit shaft for sucker rod - Google Patents
A kind of paraffin removal device in pit shaft for sucker rod Download PDFInfo
- Publication number
- CN108561103A CN108561103A CN201810672551.0A CN201810672551A CN108561103A CN 108561103 A CN108561103 A CN 108561103A CN 201810672551 A CN201810672551 A CN 201810672551A CN 108561103 A CN108561103 A CN 108561103A
- Authority
- CN
- China
- Prior art keywords
- pit shaft
- driving motor
- shaft
- fixedly connected
- sucker rod
- 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.)
- Withdrawn
Links
- 239000012188 paraffin wax Substances 0.000 title claims abstract description 19
- 230000013011 mating Effects 0.000 claims abstract description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 238000005452 bending Methods 0.000 claims description 3
- 238000005266 casting Methods 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 239000001993 wax Substances 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 3
- 230000001737 promoting effect Effects 0.000 abstract description 3
- 239000010779 crude oil Substances 0.000 description 7
- 238000009434 installation Methods 0.000 description 3
- 206010044565 Tremor Diseases 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000006467 substitution reaction Methods 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
- E21B37/00—Methods or apparatus for cleaning boreholes or wells
- E21B37/02—Scrapers specially adapted therefor
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)
- Cleaning In General (AREA)
Abstract
The invention discloses a kind of paraffin removal device in pit shaft for sucker rod, including pit shaft, the upper surface of the pit shaft is fixedly connected with lower cover ring, it is placed with bezel ring, above the lower cover ring, pass through the mating connection of bolts and nuts between the upper bezel ring, and lower cover ring, it is fixedly connected with shell on the upper surface of the upper bezel ring, installing port is offered at the upper face center position of the shell, driving motor is connected with by buffer gear in the installing port, it is fixedly connected with shaft on the output end of the driving motor, the one end of the shaft far from driving motor extends downwardly into pit shaft and fixing sleeve is equipped with sleeve, it is alternate successively from top to bottom on the lateral wall of the sleeve to offer several sliding slots.The present invention is worked by driving motor drives shaft rotation so that scraper edge end scrapes under centripetal force effect with the inner wall of pit shaft, realizes device and is struck off to the effective of wax component for condensing attachment on shaft in wall, efficiency is also than manually greatly promoting.
Description
Technical field
The present invention relates to field mining equipment technical field more particularly to a kind of paraffin removal device in pit shaft for sucker rod.
Background technology
I belongs to waxy crude oil mostly with the produced crude oil in oil field.According to statistics, crude oil of the paraffin content higher than 10% accounts for about national original
The 90% of oily total output.Crude oil especially waxy crude oil is a kind of multicomponent mixture of complexity.Waxy crude oil generally all contains very
High paraffin component will produce gel structure when temperature is less than pour point, and the wax component in crude oil can be because of temperature in recovery process
The variations such as degree, pressure are precipitated, and are attached on tubing wall, fluid channel is caused to reduce, influence yield, or even cause halt production operation,
Influence production time efficiency and economic benefit.Sucker rod is the slender rod piece of rod-pumped well, connects polished rod on it, under connect oil pumping and pump up transmission
The effect of power.
But the stock that the wax removal operation in current pit shaft is mostly connected with scraper by artificial lifting drives scraper in pit shaft
The wax component being up and down reciprocatingly attached on shaft in wall to condensation scrapes, and such efficiency is very low, and to worker's
Labor intensity requires big.
Invention content
The purpose of the present invention is to solve disadvantages existing in the prior art, such as：Wax removal operation at present in pit shaft is more
The stock that scraper is connected with by artificial lifting drives scraper to be up and down reciprocatingly attached on shaft in wall to condensation in pit shaft
Wax component is scraped, and such efficiency is very low, and requires a kind of sucker rod that is big, and proposing to the labor intensity of worker
Paraffin removal device in pit shaft.
To achieve the goals above, present invention employs following technical solutions：
The upper surface of a kind of paraffin removal device in pit shaft for sucker rod, including pit shaft, the pit shaft is fixedly connected with lower cover ring, under described
Bezel ring, is placed with above bezel ring, by the mating connection of bolts and nuts between the upper bezel ring, and lower cover ring, it is described on
It is fixedly connected with shell on the upper surface of bezel ring, installing port, the installation are offered at the upper face center position of the shell
Driving motor is connected with by buffer gear in mouthful, shaft, the shaft are fixedly connected on the output end of the driving motor
One end far from driving motor extends downwardly into pit shaft and fixing sleeve is equipped with sleeve, on the lateral wall of the sleeve from top to bottom
Alternate successively to offer several sliding slots, the sliding slot is interior to be connected with scraper, the lateral wall and cunning of the scraper by movable device
It is slidably connected between the madial wall of slot.
Preferably, the buffer gear includes the arc grip blocks that four axis around driving motor are arranged circumferentially, and four
It is fixedly connected with second spring on a side side wall of the arc grip block far from driving motor, the second spring is separate
One end of arc grip block is fixedly connected on the madial wall of installing port, side side wall of the arc grip block far from spring with
The lateral wall of driving motor offsets.
Preferably, the movable device includes two limited blocks, and two limited blocks are respectively fixedly connected in scraper
Symmetrically open up that there are two limiting slot, two limited blocks on two opposite lateral walls, in the sliding slot on two opposite madial walls
It is slidably connected at respectively in two limiting slots, is both provided with the first spring in two limiting slots, the one of first spring
End is fixedly connected on the madial wall of limiting slot, and the other end of first spring is fixedly connected on limited block.
Preferably, the radian of the arc grip block is adapted with the bending degree of driving motor lateral wall.
Preferably, the shaft and sleeve are the stainless steel part that surface is coated with antirust coat.
Preferably, the scraper is the steel casting of high intensity.
Beneficial effects of the present invention are：1, in the active force of huge centripetal force, scraper is thrown away outward so that the edge of a knife of scraper
End is contacted with shaft in wall, and the scraper that such high-speed rotation is got up can realize the wax component to condensing attachment on shaft in wall
It is scraped, efficiency is also than manually greatly promoting；
When 2, being rotated in order to avoid scraper when bumping against sharp object or being difficult to the hard object scraped caused by the trembling of sleeve can shadow
The clamping installation to driving motor in installing port is rung, ensure that driving motor in installing port by the buffered of second spring
The relative securement of interior position also avoids bezel ring, and is shaken with lower cover ring connection relation, influences device stability.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of paraffin removal device in pit shaft for sucker rod proposed by the present invention；
Fig. 2 is the overlooking structure diagram in pit shaft in a kind of paraffin removal device in pit shaft for sucker rod proposed by the present invention；
Fig. 3 is the enlarged drawing at A in Fig. 2；
Fig. 4 is the vertical view at a kind of paraffin removal device in pit shaft for sucker rod middle casing proposed by the present invention.
In figure：Bezel ring, 2 lower cover rings, 3 bolts, 4 nuts, 5 shells, 6 pit shafts, 7 driving motors, 8 shafts, 9 sleeves, 10 on 1
Scraper, 11 sliding slots, 12 limiting slots, 13 first springs, 14 limited blocks, 15 installing ports, 16 second springs, 17 arc grip blocks.
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.
In the description of the present invention, it is to be understood that, term "upper", "lower", "front", "rear", "left", "right",
The orientation or positional relationship of the instructions such as "top", "bottom", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
For convenience of description of the present invention and simplification of the description, specific side must be had by not indicating or implying the indicated device or element
Position, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
Referring to Fig.1-4, a kind of paraffin removal device in pit shaft for sucker rod, including pit shaft 6, the upper surface of pit shaft 6 are fixedly connected with
The top of lower cover ring 2, lower cover ring 2 is placed with bezel ring, 1, passes through the cooperation of bolt 3 and nut 4 between upper bezel ring, 1 and lower cover ring 2
It connects, is fixedly connected with shell 5 on the upper surface of upper bezel ring, 1, installing port 15 is offered at the upper face center position of shell 5,
Driving motor 7 is connected with by buffer gear in installing port 15, buffer gear includes four axis rings for surrounding driving motor 17
To the arc grip block 17 of setting, four arc grip blocks 17 have been fixedly connected on the side side wall far from driving motor 7
Two springs 16, the one end of second spring 16 far from arc grip block 17 are fixedly connected on the madial wall of installing port 15, arc folder
It holds side side wall and the lateral wall of driving motor 7 of the plate 17 far from spring 16 to offset, radian and the driving electricity of arc grip block 17
The bending degree of 7 lateral wall of machine is adapted, and shaft 8 is fixedly connected on the output end of driving motor 7, shaft 8 is far from driving electricity
One end of machine 7 extends downwardly into pit shaft 6 and fixing sleeve is equipped with sleeve 9, and shaft 8 and sleeve 9 are that surface is coated with antirust coat
Stainless steel part avoids influencing wax removal effect after corrosion, alternate successively from top to bottom on the lateral wall of sleeve 9 to offer several sliding slots
11, sliding slot 11 is interior to be connected with scraper 10 by movable device, and scraper 10 is the steel casting of high intensity, the lateral wall and cunning of scraper 10
It is slidably connected between the madial wall of slot 11, movable device includes two limited blocks 14, and two limited blocks 14 are respectively fixedly connected with
On the opposite lateral wall of the two of scraper 10, symmetrically opened up there are two limiting slot 12 on two opposite madial walls in sliding slot 11, two limit
Position block 14 is slidably connected at respectively in two limiting slots 12, and the first spring 13, the first spring are both provided in two limiting slots 12
13 one end is fixedly connected on the madial wall of limiting slot 12, and the other end of the first spring 13 is fixedly connected on limited block 14.
In a kind of paraffin removal device in pit shaft for sucker rod proposed by the present invention, sucker rod is taken out and then is passed through out of pit shaft 6 by worker
The upper bezel ring, 1 for being connected with shell 5 is mounted in lower cover ring 2 by bolt 3 and the cooperation of nut 4, is started driving motor 7 later, is driven
The dynamic work of motor 7 drives shaft 8 to rotate, and the rotation of shaft 8 drives the sleeve 9 being fixedly mounted in shaft 8 to be rotated, sleeve 9
Rotation will produce powerful centripetal force, at the beginning since the first spring 13 makes scraper 10 be against the active force of limited block 14
Bottommost in sliding slot 11, it is such to design conducive to putting in sleeve 9 in pit shaft 6 early period, but at this moment in the work of huge centripetal force
Firmly, scraper 10 is thrown away outward so that the edge of a knife end of scraper 10 is contacted with 6 inner wall of pit shaft, the scraper that such high-speed rotation is got up
10 can realize that the wax component adhered to 6 condensed on inner walls of pit shaft scrapes, efficiency also than manually greatly promoting, in addition for
When scraper 10 being avoided to rotate when bumping against sharp object or being difficult to the hard object scraped caused by the trembling of sleeve 9 influence whether to drive
Clamping installation of the dynamic motor 7 in installing port 15, ensure that driving motor 7 in installing port by the buffered of second spring 16
The relative securement of position in 15 also avoids bezel ring, 1 and is shaken with 2 connection relation of lower cover ring, influences device stability.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Any one skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (6)
1. a kind of paraffin removal device in pit shaft for sucker rod, including pit shaft（6）, which is characterized in that the pit shaft（6）Upper surface fix
It is connected with lower cover ring（2）, the lower cover ring（2）Top be placed with bezel ring,（1）, the upper bezel ring,（1）With lower cover ring（2）It
Between pass through bolt（3）With nut（4）Mating connection, the upper bezel ring,（1）Upper surface on be fixedly connected with shell（5）, institute
State shell（5）Upper face center position at offer installing port（15）, the installing port（15）It is interior to be clamped by buffer gear
There is driving motor（7）, the driving motor（7）Output end on be fixedly connected with shaft（8）, the shaft（8）Far from driving
Motor（7）One end extend downwardly into pit shaft（6）Interior and fixing sleeve is equipped with sleeve（9）, the sleeve（9）Lateral wall on from upper
It is alternate successively under and to offer several sliding slots（11）, the sliding slot（11）It is interior that scraper is connected with by movable device（10）, described
Scraper（10）Lateral wall and sliding slot（11）Madial wall between be slidably connected.
2. a kind of paraffin removal device in pit shaft for sucker rod according to claim 1, which is characterized in that the buffer gear includes
Four surround driving motor（17）The arc grip block that is arranged circumferentially of axis（17）, four arc grip blocks（17）It is separate
Driving motor（7）Side side wall on be fixedly connected with second spring（16）, the second spring（16）It is clamped far from arc
Plate（17）One end be fixedly connected on installing port（15）Madial wall on, the arc grip block（17）Far from spring（16）One
Side side wall and driving motor（7）Lateral wall offset.
3. a kind of paraffin removal device in pit shaft for sucker rod according to claim 1, which is characterized in that the movable device includes
Two limited blocks（14）, two limited blocks（14）It is respectively fixedly connected in scraper（10）Two opposite lateral walls on, it is described
Sliding slot（11）Limiting slot there are two symmetrically being opened up on interior two opposite madial walls（12）, two limited blocks（14）It slides respectively
It is connected to two limiting slots（12）It is interior, two limiting slots（12）Inside it is both provided with the first spring（13）, first spring
（13）One end be fixedly connected on limiting slot（12）Madial wall on, first spring（13）The other end be fixedly connected on limit
Position block（14）On.
4. a kind of paraffin removal device in pit shaft for sucker rod according to claim 2, which is characterized in that the arc grip block
（17）Radian and driving motor（7）The bending degree of lateral wall is adapted.
5. a kind of paraffin removal device in pit shaft for sucker rod according to claim 1, which is characterized in that the shaft（8）With set
Cylinder（9）It is the stainless steel part that surface is coated with antirust coat.
6. a kind of paraffin removal device in pit shaft for sucker rod according to claim 1, which is characterized in that the scraper（10）For height
The steel casting of intensity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810672551.0A CN108561103A (en) | 2018-06-26 | 2018-06-26 | A kind of paraffin removal device in pit shaft for sucker rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810672551.0A CN108561103A (en) | 2018-06-26 | 2018-06-26 | A kind of paraffin removal device in pit shaft for sucker rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108561103A true CN108561103A (en) | 2018-09-21 |
Family
ID=63554573
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810672551.0A Withdrawn CN108561103A (en) | 2018-06-26 | 2018-06-26 | A kind of paraffin removal device in pit shaft for sucker rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108561103A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110056322A (en) * | 2019-05-29 | 2019-07-26 | 大庆华油石油科技开发有限公司 | A kind of gravity seat card tubing anchor of oil well |
| CN112922566A (en) * | 2021-04-08 | 2021-06-08 | 黄宇桐 | Sucker rod self-adaptation formula pit shaft paraffin removal device |
| CN116927722A (en) * | 2023-08-05 | 2023-10-24 | 东北石油大学 | Oil pipe paraffin removal and descaling method and assembly and device for implementing same |
-
2018
- 2018-06-26 CN CN201810672551.0A patent/CN108561103A/en not_active Withdrawn
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110056322A (en) * | 2019-05-29 | 2019-07-26 | 大庆华油石油科技开发有限公司 | A kind of gravity seat card tubing anchor of oil well |
| CN112922566A (en) * | 2021-04-08 | 2021-06-08 | 黄宇桐 | Sucker rod self-adaptation formula pit shaft paraffin removal device |
| CN116927722A (en) * | 2023-08-05 | 2023-10-24 | 东北石油大学 | Oil pipe paraffin removal and descaling method and assembly and device for implementing same |
| CN116927722B (en) * | 2023-08-05 | 2024-05-10 | 东北石油大学 | Oil pipe paraffin removal and descaling method and assembly and device for implementing same |
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Legal Events
| 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 | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180921 |