CN110056322A - A kind of gravity seat card tubing anchor of oil well - Google Patents
A kind of gravity seat card tubing anchor of oil well Download PDFInfo
- Publication number
- CN110056322A CN110056322A CN201910455018.3A CN201910455018A CN110056322A CN 110056322 A CN110056322 A CN 110056322A CN 201910455018 A CN201910455018 A CN 201910455018A CN 110056322 A CN110056322 A CN 110056322A
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- China
- Prior art keywords
- mobile jib
- pipe sleeve
- sleeve
- gravity
- protection
- 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.)
- Granted
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- 230000005484 gravity Effects 0.000 title claims abstract description 27
- 239000003129 oil well Substances 0.000 title claims abstract description 18
- 230000000694 effects Effects 0.000 claims abstract description 29
- 238000007790 scraping Methods 0.000 claims abstract description 29
- 238000005119 centrifugation Methods 0.000 claims abstract description 26
- 230000003139 buffering effect Effects 0.000 claims abstract description 22
- 238000003780 insertion Methods 0.000 claims description 5
- 230000037431 insertion Effects 0.000 claims description 5
- 230000001788 irregular Effects 0.000 claims description 4
- 235000007164 Oryza sativa Nutrition 0.000 claims description 3
- 235000009566 rice Nutrition 0.000 claims description 3
- 240000007594 Oryza sativa Species 0.000 claims 1
- 239000003208 petroleum Substances 0.000 abstract description 30
- 238000009825 accumulation Methods 0.000 abstract description 6
- 239000012188 paraffin wax Substances 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 238000005299 abrasion Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 241000209094 Oryza Species 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 239000003381 stabilizer Substances 0.000 description 2
- 238000004873 anchoring Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000003340 mental effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000020477 pH reduction Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000007787 solid 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
- E21B23/00—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells
- E21B23/01—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells for anchoring the tools or the like
-
- 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
- E21B37/04—Scrapers specially adapted therefor operated by fluid pressure, e.g. free-piston scrapers
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)
- Earth Drilling (AREA)
- Centrifugal Separators (AREA)
Abstract
The invention discloses a kind of gravity of oil well to sit card tubing anchor; including mobile jib; the external activity of the mobile jib is set with buffering pipe sleeve; the top of the buffering pipe sleeve is movably installed with the first protection pipe sleeve by the first connector; the bottom of the buffering pipe sleeve is movably installed with the second protection sleeve pipe by the second connector, and the bottom of second protection sleeve pipe is fixedly installed with locking pipe sleeve.Impulse force of the present invention by setting centrifugation component by lower section rotational flow petroleum; this strand of impulse force drives rotating ring and is centrifuged the rotation of component; the scraping block inside shell is hung to be acted on by centrifugal force; so that centrifugal force and the gravity of scraping block itself are greater than the drawing force for pullling spring; stretch out scraping block from the bottom for hanging shell; and extension shell is in and rotates around the first protection pipe set; then the sundries at the top of rotary sleeve can be cleared up; it avoids the accumulation of the sundries such as paraffin from excessively causing the first protection pipe sleeve and the stuck problem of petroleum pipeline, increases the practicability of the device.
Description
Technical field
The present invention relates to oil tool technical field, in particular to the gravity of a kind of oil well sits card tubing anchor.
Background technique
Tubing anchor be it is a kind of production and service shaft down-hole string anchoring downhole hardware, tubing string stress can be improved,
Tubing string fatigue damage is reduced, the flexible of tubing string is controlled, reduces leakage, extend the service life of tubing string.It is produced in sucker-rod pumping
Tubing string is fixed in the process, it is possible to reduce loss of plunger stroke improves pump efficiency;Tubing string is carried out in the techniques such as pressure break, acidification
It is fixed, the bearing capacity of downhole tool and tubing string can be improved.It can also be used as a kind of mechanism, design in other downhole tools
On (such as packer), its effect is played.
It is one of tubing anchor that gravity, which sits card tubing anchor, but the gravity being commonly used sits the anti-impact of card tubing anchor
Hitting property is weaker, inadequate to the Global Macros of oil pipe, while existing gravity is sat during card tubing anchor, and paraffin and other inner walls are miscellaneous
Matter can have the region being gradually accumulate at the top of spill spin block, and long-term accumulation even affects the speed of oil flow and to help
Positive device is stuck inside oil pipe, and since oil pipe is located inside oil well, maintenance difficult is very big, and maintenance cost is high.
Therefore, it invents a kind of impact resistance and anticlogging gravity seat card tubing anchor is necessary to solve the above problems.
Summary of the invention
The purpose of the present invention is to provide a kind of gravity of oil well to sit card tubing anchor, through setting centrifugation component by under
The impulse force of square rotational flow petroleum, this strand of impulse force drive rotating ring and the rotation for being centrifuged component, hang scraping block inside shell by from
Mental power function then makes scraping block from extension shell so that centrifugal force and the gravity of scraping block itself are greater than the drawing force for pullling spring
Bottom is stretched out, and hangs shell in rotating around the first protection pipe set, can then be carried out to the sundries at the top of rotary sleeve clear
Reason avoids the accumulation of the sundries such as paraffin from excessively causing the first protection pipe sleeve and the stuck problem of petroleum pipeline, increases the reality of the device
The property used;Impulse force by setting centrifugation component by lower section rotational flow petroleum, this strand of impulse force drive rotating ring and centrifugation component
Rotation, hang the scraping block inside shell and acted on by centrifugal force, so that the gravity of centrifugal force and scraping block itself, which is greater than, pulls spring
Drawing force stretches out scraping block from the bottom for hanging shell, and hangs shell in rotating around the first protection pipe set, then may be used
To clear up the sundries at the top of rotary sleeve, the accumulation of the sundries such as paraffin is avoided excessively to cause the first protection pipe sleeve and petroleum pipe clamp
Dead problem increases the practicability of the device, to solve the problems mentioned in the above background technology.
To achieve the above object, the invention provides the following technical scheme: a kind of gravity of oil well sits card tubing anchor, including
Mobile jib, the external activity of the mobile jib are set with buffering pipe sleeve, and the top of the buffering pipe sleeve passes through the first connector movable sleeve
Equipped with the first protection pipe sleeve, the bottom of the buffering pipe sleeve is movably installed with the second protection sleeve pipe by the second connector, described
The bottom of second protection sleeve pipe is fixedly installed with locking pipe sleeve, and the bottom fixing sleeve of the locking pipe sleeve is equipped with mutually to be interconnected with mobile jib
The external activity of logical insertion pipe, the first protection pipe sleeve is connected with rotating ring, and the bottom of the rotating ring passes through movable axis
It is movably installed with centrifugation component, the quantity of the centrifugation component is several, and several centrifugation components are evenly distributed on rotation
The bottom surface of ring, the centrifugation component include hanging shell, and the top surface for hanging shell inner cavity is fixedly installed with stable loop bar, the stabilizer
Bar internal slide is connected with limited block, and the bottom of the limited block, which is welded with, extends soft bar, and the bottom for extending soft bar extends
Scraping block is fixedly installed with to the outside for stablizing loop bar is refined;
The external activity of the mobile jib is set with movable cage plate, and the quantity of the activity cage plate is two, two work
It is sequentially connected between dynamic cage plate by bellows, power group is unloaded by being located at outside bellows in the front of two movable cage plates
Part transmission connection, the outer surface of the activity cage plate are welded with several drainage plates, and the drainage plate extends to buffering pipe sleeve
Outside, the irregular shape of the drainage plate, the outer surface of the mobile jib are equipped with the bolster for being located at movable cage plate side.
Preferably, the top surface of the limited block is fixedly connected with protection spring, the top of the protection spring and stabilizer
Bar inner cavity top surface is fixedly connected.
Preferably, the external activity for extending soft bar is set with the spring of pullling for being located at and stablizing outside loop bar, the drawing
Side of the upper and lower ends of spring respectively between scraping block and stable loop bar is pulled to be fixedly connected.
Preferably, described to pull spring and spring is protected to be under normal stretch state, the bottom of the scraping block, which is located at, to hang
The bottom of shell inner cavity.
Preferably, the power of the unloading component includes fixed sleeving, and the quantity of the fixed sleeving is two, two fixations
The end of casing passes through fixed block and is fixedly connected with the front of movable cage plate, is movably installed between two fixed sleevings
Buffer bar.
Preferably, the external activity of the buffer bar, which is set with, unloads power spring, the upper and lower ends difference of the power of the unloading spring
Side between two fixed sleevings is fixedly connected.
Preferably, the bolster includes fixed sleeving, and the inner surface of the fixed sleeving and the appearance rice of mobile jib are fixed
Suit, the bottom surface of the mobile jib are fixedly connected with several rubber connectors for being located at mobile jib surface, several described rubber connect
The bottom end of fitting is fixedly connected with the resistance lantern ring outside mobile jib.
Preferably, the inner surface frictional connection of the inner surface of the resistance lantern ring and mobile jib, the resistance lantern ring it is another
The side frictional connection of side and movable cage plate.
Technical effect and advantage of the invention:
1, impulse force of the present invention by setting centrifugation component by lower section rotational flow petroleum, this strand of impulse force drive rotating ring
With the rotation of centrifugation component, hangs the scraping block inside shell and acted on by centrifugal force, so that the gravity of centrifugal force and scraping block itself is greater than
The drawing force of spring is pullled, stretches out scraping block from the bottom for hanging shell, and hangs shell and is in and rotated around the first protection pipe interplanting
Movement, can then clear up the sundries at the top of rotary sleeve, and the accumulation of the sundries such as paraffin is avoided excessively to cause the first protection pipe
Set and the stuck problem of petroleum pipeline, increase the practicability of the device;
2, the present invention is skewed by the way that drainage plate to be designed to, so that forming drainage between two drainage plates and separator tube set
Channel then makes so that petroleum generates vertical impulse force to drainage plate surface and drives drainage plate rotation when using flowing through
Petroleum is in rotating fluid shape after the device, greatly reduces the impact force of the tube wall of petroleum, protects petroleum conduit;
3, the present invention extends to the inside of buffering pipe sleeve by the way that drainage plate is arranged, and by bolster, bellows and unloads power group
Part carries out unloading power to the impulse force that petroleum generates, and alleviates petroleum to the impact force of the device, and it is right during petroleum water conservancy diversion to reduce
The abrasion of the device significantly increases the anti-impact force of the device, increases the service life of the device.
Detailed description of the invention
Fig. 1 is overall structure diagram of the invention.
Fig. 2 is the external structure schematic diagram of Fig. 1 of the invention.
Fig. 3 is overall structure diagram of the invention.
Fig. 4 is overall structure diagram of the invention.
Fig. 5 is overall structure diagram of the invention.
Fig. 6 is overall structure diagram of the invention.
In figure: 1 mobile jib, 2 first protection pipe sleeves, 3 first connectors, 4 second connectors, 5 buffering pipe sleeves, 6 rotating rings, 7
Movable axis, 8 centrifugation components, 81 hang shell, 82 stable loop bars, the soft bar of 83 extensions, 84 limited blocks, 85 protection springs, 86, scraping block, 87
Pull spring, 9 insertion pipes, 10 bolsters, 101 fixed sleevings, 102 rubber connectors, 103 resistance lantern rings, 11 movable cage plates, 12
Drainage plate, 13 bellowss, 14 unload power component, 141 fixed sleevings, 142 fixed blocks, 143 buffer bars, 144 unload power spring, 15 second
Protection sleeve pipe, 16 locking pipe sleeves.
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.
Embodiment 1
The gravity of reference book attached drawing 1-5, specially a kind of oil well sit card tubing anchor, including mobile jib 1, the mobile jib
1 external activity is set with buffering pipe sleeve 5, and the top of the buffering pipe sleeve 5 is movably installed with the first guarantor by the first connector 3
The bottom of protective pipe sleeve 2, the buffering pipe sleeve 5 is movably installed with the second protection sleeve pipe 15 by the second connector 4, and described second protects
The bottom of protecting pipe 15 is fixedly installed with locking pipe sleeve 16, and the bottom fixing sleeve of the locking pipe sleeve 16 is equipped with mutual with mobile jib 1
The external activity of the insertion pipe 9 of connection, the first protection pipe sleeve 2 is connected with rotating ring 6, and the bottom of the rotating ring 6 passes through
Movable axis 7 is movably installed with centrifugation component 8, and the quantity of the centrifugation component 8 is several, and several centrifugation components 8 are uniform
It is distributed in the bottom surface of rotating ring 6, the centrifugation component 8 includes hanging shell 81, and the top surface for hanging 81 inner cavity of shell is fixedly installed with surely
Determine loop bar 82, stable 82 internal slide of loop bar is connected with limited block 84, and it is soft that the bottom of the limited block 84 is welded with extension
Bar 83, the outside that the bottom for extending soft bar 83 extends to stable loop bar 82 is refined to be fixedly installed with scraping block 86, the limited block
84 top surface is fixedly connected with protection spring 85, and company is fixed with 82 inner cavity top surface of loop bar is stablized in the top of the protection spring 85
It connects, the external activity for extending soft bar 83, which is set with to be located to stablize, pulls spring 87 outside loop bar 82, described to pull spring
Side of 87 upper and lower ends respectively between scraping block 86 and stable loop bar 82 is fixedly connected, described to pull spring 87 and protection bullet
Spring 85 is under normal stretch state, and the bottom of the scraping block 86 is located at the bottom for hanging 81 inner cavity of shell.
Specific embodiment: the impulse force by setting centrifugation component 8 by lower section rotational flow petroleum, this strand of impulse force drive
The rotation of rotating ring 6 and centrifugation component 8 is hung the scraping block 86 inside shell 81 and is acted on by centrifugal force, so that centrifugal force and scraping block 86
The gravity of itself is greater than the drawing force for pullling spring 87, stretches out scraping block 86 from the bottom for hanging shell 81, and hang at shell 81
It rotates in around the first protection pipe sleeve 2, the sundries at the top of rotary sleeve can then be cleared up, avoid the sundries such as paraffin
Accumulation excessively causes the first protection pipe sleeve 2 and the stuck problem of petroleum pipeline, increases the practicability of the device.
The gravity of reference book attached drawing 1-5, specially a kind of oil well sit card tubing anchor, including mobile jib 1, the mobile jib
1 external activity is set with movable cage plate 11, and the quantity of the activity cage plate 11 is two, between two movable cage plates 11
It is sequentially connected by bellows 13, power component 14 is unloaded by being located at outside bellows 13 in the front of two movable cage plates 11
The outer surface of transmission connection, the activity cage plate 11 is welded with several drainage plates 12, and the drainage plate 12 extends to separator tube
The outside of set 5, the irregular shape of the drainage plate 12, the outer surface of the mobile jib 1, which is equipped with, is located at 11 side of movable cage plate
The bolster 10 in face, the power of the unloading component 14 include fixed sleeving 141, and the quantity of the fixed sleeving 141 is two, two institutes
The end for stating fixed sleeving 141 passes through fixed block 142 and is fixedly connected with the front of movable cage plate 11, two fixed sleevings
Buffer bar 143 is movably installed between 141, the external activity of the buffer bar 143, which is set with, unloads power spring 144, the power of unloading
Side of the upper and lower ends of spring 144 respectively between two fixed sleevings 141 is fixedly connected, and the bolster 10 includes
Fixed sleeving 101, the inner surface of the fixed sleeving 101 and the fixed suit of the appearance rice of mobile jib 1, the bottom surface of the mobile jib 1 are solid
Surely several rubber connectors 102 for being located at 1 surface of mobile jib are connected with, the bottom end of several rubber connectors 102 is fixed
It is connected with the resistance lantern ring 103 being located at outside mobile jib 1, the inner surface of the resistance lantern ring 103 and the inner surface of mobile jib 1 rub and connect
It connects, the side frictional connection of the another side of the resistance lantern ring 103 and movable cage plate 11.
Specific embodiment: it is skewed by the way that drainage plate 12 to be designed to so that two drainage plates 12 and separator tube set 5 it
Between form drainage channel so that when using flowing through, petroleum generates vertical impulse force to 12 surface of drainage plate and drives drainage plate
12 rotations, then make petroleum, in rotating fluid shape, greatly reduce the impact force of the tube wall of petroleum after the device,
Protect petroleum conduit;The inside that buffering pipe sleeve 5 is extended to by the way that drainage plate 12 is arranged, passes through bolster 10,13 and of bellows
It unloads the impulse force that power component 14 generates petroleum to carry out unloading power, alleviates petroleum to the impact force of the device, reduce petroleum water conservancy diversion
In the process to the abrasion of the device, the anti-impact force of the device is significantly increased, increases the service life of the device.
Embodiment 2
Reference book attached drawing 6, a kind of gravity seat card tubing anchor of oil well, including mobile jib 1, the outside of the mobile jib 1
It is movably installed with buffering pipe sleeve 5, the top of the buffering pipe sleeve 5 is movably installed with the first protection pipe sleeve by the first connector 3
2, the bottom of the buffering pipe sleeve 5 is movably installed with the second protection sleeve pipe 15, second protection sleeve pipe by the second connector 4
15 bottom be fixedly installed with locking pipe sleeve 16, it is described locking pipe sleeve 16 bottom fixing sleeve be equipped with mobile jib 1 be interconnected
Insertion pipe 9, the external activity of the first protection pipe sleeve 2 are connected with rotating ring 6, and the bottom of the rotating ring 6 passes through movable axis 7
It is movably installed with centrifugation component 8, the quantity of the centrifugation component 8 is several, and several centrifugation components 8 are evenly distributed on rotation
The bottom surface of change 6, the centrifugation component 8 include hanging shell 81, and the top surface for hanging 81 inner cavity of shell is fixedly installed with stable loop bar 82,
82 internal slide of stable loop bar is connected with limited block 84, and the bottom of the limited block 84, which is welded with, extends soft bar 83, described
The bottom for extending soft bar 83 extends to the outside of stable loop bar 82 and refined is fixedly installed with scraping block 86;
The external activity of the mobile jib 1 is set with movable cage plate 11, and the quantity of the activity cage plate 11 is two, two institutes
It states and is sequentially connected between movable cage plate 11 by bellows 13, the front of two movable cage plates 11 is by being located at bellows 13
External unloads the transmission connection of power component 14, and the outer surface of the activity cage plate 11 is welded with several drainage plates 12, the drainage
Plate 12 extends to the outside of buffering pipe sleeve 5, and the outer surface of the irregular shape of the drainage plate 12, the mobile jib 1 is equipped with
Bolster 10 positioned at movable 11 side of cage plate.
Embodiment 2 is specifically distinguished as the buffer bar 143 unloaded in power component 14 with embodiment 1 and unloads power spring 144 and replace
Change elastic rubber strip into.
By adopting the above technical scheme, the structure for unloading power component 14 is simplified, while obtaining elastic component, is avoided slow
Jumper bar 143 and the at high cost and excessive problem of installation difficulty for unloading the production of power spring 144, alleviate impact of the petroleum to the device
Power reduces abrasion of the petroleum water conservancy diversion in the process to the device, significantly increases the anti-impact force of the device, increase the dress
The service life set.
Working principle of the present invention:
Impulse force first by setting centrifugation component 8 by lower section rotational flow petroleum, this strand of impulse force drive 6 He of rotating ring
It is centrifuged the rotation of component 8, the scraping block 86 inside shell 81 is hung and is acted on by centrifugal force, so that the gravity of centrifugal force and scraping block 86 itself
It greater than the drawing force for pullling spring 87, stretches out scraping block 86 from the bottom for hanging shell 81, and hangs shell 81 and be in around the first guarantor
Protective pipe sleeve 2 rotates, and can then clear up the sundries at the top of rotary sleeve;
It is skewed by the way that drainage plate 12 to be designed to, so that it is logical to form drainage between two drainage plates 12 and separator tube set 5
Road then makes so that petroleum generates vertical impulse force to 12 surface of drainage plate and drainage plate 12 is driven to rotate when using flowing through
It obtains petroleum and is in rotating fluid shape after the device, simultaneously because drainage plate 12 extends to the inside of buffering pipe sleeve 5, lead to
Cross bolster 10, bellows 13 (including pulls spring 87 and unload power spring 144 and connect with rubber with the spring element unloaded in power component 14
Part 102) impulse force of petroleum generation is carried out unloading power.
Finally, it should be noted that the foregoing is only a preferred embodiment of the present invention, it is not intended to restrict the invention,
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features,
All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in of the invention
Within protection scope.
Claims (8)
1. a kind of gravity of oil well sits card tubing anchor, including mobile jib (1), the external activity of the mobile jib (1) are set with buffering
The top of pipe sleeve (5), buffering pipe sleeve (5) is movably installed with the first protection pipe sleeve (2) by the first connector (3), described
The bottom of buffering pipe sleeve (5) is movably installed with the second protection sleeve pipe (15) by the second connector (4), second protection sleeve pipe
(15) bottom is fixedly installed with locking pipe sleeve (16), and the bottom fixing sleeve of locking pipe sleeve (16) is equipped with and mobile jib (1) phase
Intercommunicated insertion pipe (9), it is characterised in that: the external activity of first protection pipe sleeve (2) is connected with rotating ring (6), institute
State the bottom of rotating ring (6) and be movably installed with centrifugation component (8) by movable axis (7), centrifugation component (8) if quantity be
Dry, and several centrifugations component (8) are evenly distributed on the bottom surface of rotating ring (6), the centrifugation component (8) includes hanging shell
(81), the top surface for hanging shell (81) inner cavity is fixedly installed with stable loop bar (82), and stable loop bar (82) internal slide connects
It is connected to limited block (84), the bottom of the limited block (84), which is welded with, extends soft bar (83), the bottom for extending soft bar (83)
The outside for extending to stable loop bar (82) refined is fixedly installed with scraping block (86);
The external activity of the mobile jib (1) is set with movable cage plate (11), and the quantity of the activity cage plate (11) is two, two
It is sequentially connected between the activity cage plate (11) by bellows (13), the front of two movable cage plates (11) is by being located at
Bellows (13) external unload power component (14) is sequentially connected, and the outer surface of the activity cage plate (11) is welded with several drainages
Plate (12), the drainage plate (12) extend to the outside of buffering pipe sleeve (5), the irregular shape of the drainage plate (12), institute
The outer surface for stating mobile jib (1) is equipped with the bolster (10) for being located at movable cage plate (11) side.
2. a kind of gravity of oil well according to claim 1 sits card tubing anchor, it is characterised in that: the limited block (84)
Top surface be fixedly connected with protection spring (85), it is described protection spring (85) top fixed with loop bar (82) inner cavity top surface is stablized
Connection.
3. a kind of gravity of oil well according to claim 1 sits card tubing anchor, it is characterised in that: described to extend soft bar
(83) external activity, which is set with to be located at, stablizes pullling spring (87) outside loop bar (82), described to pull the upper and lower of spring (87)
Both ends respectively with scraping block (86) and stablize the side between loop bar (82) and be fixedly connected.
4. a kind of gravity of oil well according to claim 3 sits card tubing anchor, it is characterised in that: described to pull spring
(87) it is under normal stretch state with protection spring (85), the bottom of the scraping block (86) is located at the bottom for hanging shell (81) inner cavity
Portion.
5. a kind of gravity of oil well according to claim 1 sits card tubing anchor, it is characterised in that: the power of the unloading component
It (14) include fixed sleeving (141), the quantity of the fixed sleeving (141) is two, the end of two fixed sleevings (141)
Portion passes through fixed block (142) and is fixedly connected with the front of movable cage plate (11), movable between two fixed sleevings (141)
It is set with buffer bar (143).
6. a kind of gravity of oil well according to claim 5 sits card tubing anchor, it is characterised in that: the buffer bar
(143) external activity, which is set with, to be unloaded power spring (144), and the upper and lower ends of the power of the unloading spring (144) are respectively and described in two
Side between fixed sleeving (141) is fixedly connected.
7. a kind of gravity of oil well according to claim 5 sits card tubing anchor, it is characterised in that: the bolster (10)
Including fixed sleeving (101), the inner surface of the fixed sleeving (101) and the fixed suit of the appearance rice of mobile jib (1), the mobile jib
(1) bottom surface is fixedly connected with several rubber connectors (102) for being located at mobile jib (1) surface, several described rubber connections
The bottom end of part (102) is fixedly connected with the resistance lantern ring (103) external positioned at mobile jib (1).
8. a kind of gravity of oil well according to claim 5 sits card tubing anchor, it is characterised in that: the resistance lantern ring
(103) the inner surface frictional connection of inner surface and mobile jib (1), the another side of the resistance lantern ring (103) and movable cage plate
(11) side frictional connection.
Priority Applications (1)
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CN201910455018.3A CN110056322B (en) | 2019-05-29 | 2019-05-29 | A kind of gravity seat card tubing anchor of oil well |
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CN201910455018.3A CN110056322B (en) | 2019-05-29 | 2019-05-29 | A kind of gravity seat card tubing anchor of oil well |
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CN110056322A true CN110056322A (en) | 2019-07-26 |
CN110056322B CN110056322B (en) | 2019-12-03 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111255409A (en) * | 2020-02-29 | 2020-06-09 | 黄亚飞 | Suspension drift plugging device for oil well |
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