CN110374554A - Monoblock type is rotatable to scrape pipe device - Google Patents
Monoblock type is rotatable to scrape pipe device Download PDFInfo
- Publication number
- CN110374554A CN110374554A CN201910713342.0A CN201910713342A CN110374554A CN 110374554 A CN110374554 A CN 110374554A CN 201910713342 A CN201910713342 A CN 201910713342A CN 110374554 A CN110374554 A CN 110374554A
- Authority
- CN
- China
- Prior art keywords
- cylinder
- groove
- outside
- mandrel
- bearing outer
- 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
Links
- 238000003801 milling Methods 0.000 claims abstract description 89
- 238000000227 grinding Methods 0.000 claims abstract description 78
- 229910000831 Steel Inorganic materials 0.000 claims description 65
- 239000010959 steel Substances 0.000 claims description 65
- 238000007790 scraping Methods 0.000 claims description 16
- 238000009434 installation Methods 0.000 claims description 11
- 230000007423 decrease Effects 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims 2
- 230000000694 effects Effects 0.000 description 9
- 238000000034 method Methods 0.000 description 6
- 239000004568 cement Substances 0.000 description 5
- 238000004140 cleaning Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- BVPWJMCABCPUQY-UHFFFAOYSA-N 4-amino-5-chloro-2-methoxy-N-[1-(phenylmethyl)-4-piperidinyl]benzamide Chemical compound COC1=CC(N)=C(Cl)C=C1C(=O)NC1CCN(CC=2C=CC=CC=2)CC1 BVPWJMCABCPUQY-UHFFFAOYSA-N 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000005553 drilling Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 238000009827 uniform distribution Methods 0.000 description 2
- 241001074085 Scophthalmus aquosus Species 0.000 description 1
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000011780 sodium chloride 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
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/10—Wear protectors; Centralising devices, e.g. stabilisers
- E21B17/1078—Stabilisers or centralisers for casing, tubing or drill pipes
-
- 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
- E21B29/00—Cutting or destroying pipes, packers, plugs or wire lines, located in boreholes or wells, e.g. cutting of damaged pipes, of windows; Deforming of pipes in boreholes or wells; Reconditioning of well casings while in the ground
- E21B29/002—Cutting, e.g. milling, a pipe with a cutter rotating along the circumference of the pipe
-
- 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
- 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)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
- Rolling Contact Bearings (AREA)
Abstract
The present invention relates to downhole tool technical fields, being that a kind of monoblock type is rotatable scrapes pipe device, including mandrel, upper grinding milling cylinder, first bearing outer cylinder, upper righting cylinder, second bearing outer cylinder, scraper cylinder, 3rd bearing outer cylinder, lower righting cylinder, fourth bearing outer cylinder and lower grinding milling cylinder, mandrel upper outside is fixedly installed with upper limit assembly, upper limit assembly includes stop collar, position-limiting drum and sunk screw, and mandrel upper outside is set with position-limiting drum.Structure of the invention is reasonable and compact, is skillfully constructed, and upper grinding milling cylinder is installed in mandrel upper outside by position limit device and upper limit annulus, and rotate upper grinding milling cylinder with mandrel by the way that the first square key is arranged；By setting first bearing outer cylinder, second bearing outer cylinder, 3rd bearing outer cylinder and fourth bearing outer cylinder, prevents righting cylinder, scraper cylinder and lower righting cylinder from rotating with mandrel, have the characteristics that efficient, stable and time saving and energy saving.
Description
Technical field
The present invention relates to downhole tool technical field, being that a kind of monoblock type is rotatable scrapes pipe device.
Background technique
After oil gas well drilling or well workover, it need to be transferred to completion sequence, tripping in packer, sliding sleeve, ball seat etc. respectively finish
Well tool, to can control downhole fluid flow direction and speed etc..In order to improve the success rate of tool tripping in operation, such as seal
Success rate etc. is set every device, prune job need to be carried out to packer set position, pipeline scraper can be to remaining in internal surface of sleeve pipe
Generated oxidation after upper cement block, cement sheath, hard wax, various saline crystallizations and deposit, perforation burrs and casing corrosion
The objects such as iron are purged.In order to realize the effective progress for scraping wall operation, conventional technology is tripping in milling class tool to well
Lower cement plug carries out brill mill, then tripping in drifting drill assembly carries out drifting, and after drifting operation, tripping in pipeline scraper carries out skill
Art casing scrapes wall operation.Pipeline scraper used at present is divided into mechanical and two kinds of fluid pressure type, and two kinds of pipeline scraper scrapers are all more
Piece is mounted on pipeline scraper ontology, and using spring supporting, intensity is low, and shaving effect is bad, and especially tubing string is not during scraping
Can rotation, be allowed to cannot to enter together with other rotation class tool well, each pipe cleaning can only individually play next time and bore, for deep-well,
The ultradeep well activity duration is longer.How to realize pipe cleaning process and bore the combinations such as plug process, it has also become deep-well, ultradeep well are urgently
One of the technical issues of solution.
Summary of the invention
Pipe device is scraped the present invention provides a kind of monoblock type is rotatable, overcoming above-mentioned existing pipeline scraper can not be with rotation class
The problem of downhole tool enters well simultaneously.
The technical scheme is that being realized by following measures: a kind of monoblock type is rotatable to scrape pipe device, including
Mandrel, upper grinding milling cylinder, first bearing outer cylinder, upper righting cylinder, second bearing outer cylinder, scraper cylinder, 3rd bearing outer cylinder, lower righting
Cylinder, fourth bearing outer cylinder and lower grinding milling cylinder, mandrel upper outside are fixedly installed with upper limit assembly, and upper limit assembly includes limit
Ring, position-limiting drum and sunk screw, mandrel upper outside are set with position-limiting drum, and position-limiting drum lower end inside is equipped with limited ring groove, corresponding
The mandrel upper outside of limited ring groove position is equipped with installation annular groove, is equipped with outer end in installation annular groove and is located at the limit in limited ring groove
Ring, stop collar include two opposite limit semi-rings of opening, and being uniformly distributed at least two along the circumference on the outside of position-limiting drum can be by position-limiting drum
The sunk screw being fixedly installed togather with stop collar；Mandrel lower outside is fixedly installed with lower limit component, lower limit component
It is identical as upper limit assembly structure, and be distributed in mirror symmetry；The mandrel upper outside of corresponding upper limit hyte part lower position is set
There is upper outer groove, upper limit annulus is equipped in upper outer groove, upper limit annulus includes two opposite limit semi-rings of opening, corresponding
The mandrel lower outside of lower limit component top position is equipped with lower outer groove, is equipped with lower limit annulus, lower limit in lower outer groove
Annulus includes two opposite limit semi-rings of opening, the mandrel upper outside of position between corresponding upper limit hyte part and upper outer groove
It is set with grinding milling cylinder, the mandrel upper outside of grinding milling cylinder upper end position is uniformly distributed at least one first external key along the circumference in correspondence
Slot corresponds to and is equipped with the first internal keyway on the inside of the upper grinding milling cylinder upper end of each first external key groove location, in each first outside keyway
It is equipped with the first square key that outer end is located in the first internal keyway of corresponding position, in correspondence in the upper grinding milling cylinder lower end of outer ring groove location
Side is equipped with upper inner ring slot, and upper limit annulus outer end is located in upper inner ring slot；Position between corresponding lower limit hyte part and lower outer groove
Mandrel lower outside be set with lower grinding milling cylinder, the mandrel lower outside of corresponding lower grinding milling cylinder lower end position be uniformly distributed with along the circumference to
The lower grinding milling cylinder lower end inside of few second outside keyway, corresponding each second external key groove location is equipped with the second internal keyway, often
The second square key that outer end is located in the second internal keyway of corresponding position is equipped in a second outside keyway, corresponding lower outer ring groove location
Lower inner ring slot is equipped on the inside of lower grinding milling cylinder upper end, lower limit annulus outer end is located in lower inner ring slot；Upper grinding milling cylinder include by up to
Under the first conical cylinder section and the first direct tube section that are successively fixedly installed togather, the first conical cylinder section is in up-small and down-big truncated cone-shaped, on
It is equipped with high hardness wear-resisting layer on the outside of grinding milling cylinder, is uniformly distributed at least four straight flutes up and down along the circumference on the outside of upper grinding milling cylinder,
Lower grinding milling cylinder is identical as upper milling barrel structure, and is distributed in mirror symmetry；Position between grinding milling cylinder and lower grinding milling cylinder in correspondence
Outside is from top to bottom successively set with first bearing outer cylinder, upper righting cylinder, second bearing outer cylinder, scraper cylinder, third in the middle part of mandrel
Bearing outer cylinder, lower righting cylinder and fourth bearing outer cylinder；First bearing outer cylinder lower end outside is uniformly distributed at least two first along the circumference
Groove, first that the upper righting cylinder upper end of corresponding each first groove location is equipped in the first groove of corresponding position are convex
Block, second bearing outer cylinder upper end outside are uniformly distributed at least two second grooves along the circumference, correspond to the upper of each second groove location
Righting cylinder lower end is equipped with the second convex block in the second groove of corresponding position, and second bearing outer cylinder lower end outside is circumferentially equal
At least two third grooves are furnished with, the scraper cylinder upper end of corresponding each third groove location is equipped with recessed positioned at corresponding position third
Third convex block in slot, 3rd bearing outer cylinder upper end outside are uniformly distributed at least two the 4th grooves along the circumference, correspond to each 4th
The scraper cylinder lower end of groove location is equipped with the 4th convex block in the 4th groove of corresponding position, outside 3rd bearing outer cylinder lower end
Lateral edge is evenly distributed at least two the 5th grooves, and the lower righting cylinder upper end of corresponding each 5th groove location, which is equipped with, to be located at pair
The 5th convex block in the 5th groove of position is answered, fourth bearing outer cylinder lower end outside is uniformly distributed at least two the 6th grooves along the circumference,
The lower righting cylinder lower end of corresponding each 6th groove location is equipped with the 6th convex block in the 6th groove of corresponding position；First
Outside is uniformly distributed at least two the first mounting holes of inside and outside perforation, the core of corresponding first position of mounting hole along the circumference in the middle part of bearing outer cylinder
Axis upper outside is equipped with the first annular groove, and inner end is equipped in the first mounting hole and is located at the first steel ball in the first annular groove, the first installation
The first plug that inner end and the first steel ball outer end offset is fixedly installed in hole；Upper righting cylinder includes successively fixed from top to bottom pacifies
The second conical cylinder section, the second direct tube section and the third cone cylinder section being fitted together, the second conical cylinder section are in up-small and down-big truncated cone-shaped, third
Conical cylinder section is in up big and down small truncated cone-shaped, is uniformly distributed at least four the first valleys up and down along the circumference on the outside of upper righting cylinder
Slot；Outside is uniformly distributed at least two the second mounting holes of inside and outside perforation, corresponding second mounting hole along the circumference in the middle part of second bearing outer cylinder
The mandrel upper outside of position is equipped with the second annular groove, is equipped with inner end in the second mounting hole and is located at the second steel ball in the second annular groove,
The second plug that inner end and the second steel ball outer end offset is fixedly installed in second mounting hole；In the middle part of scraper cylinder outside between the upper and lower every
At least two groups borehole wall scraper is distributed with；Outside is uniformly distributed at least two inside and outside perforation third peaces along the circumference in the middle part of 3rd bearing outer cylinder
Hole is filled, the mandrel lower outside of corresponding third position of mounting hole is equipped with third annular groove, and inner end is equipped in third mounting hole and is located at the
Third steel ball in three annular grooves is fixedly installed with the third plug that inner end and third steel ball outer end offset in third mounting hole；Under
Righting cylinder includes the 4th conical cylinder section, third direct tube section and the 5th conical cylinder section being from top to bottom successively fixedly installed togather, and the 4th
Conical cylinder section is in up-small and down-big truncated cone-shaped, and the 5th conical cylinder section is in up big and down small truncated cone-shaped, is uniformly distributed along the circumference on the outside of lower righting cylinder
There is at least four the second valley gutters up and down；Outside, which is uniformly distributed with along the circumference inside and outside at least two, in the middle part of fourth bearing outer cylinder passes through
Logical 4th mounting hole, the mandrel lower outside of corresponding 4th position of mounting hole are equipped with the 4th annular groove, are equipped in the 4th mounting hole interior
End is located at the 4th steel ball in the 4th annular groove, and the inner end and the 4th steel ball outer end offset the 4th is fixedly installed in the 4th mounting hole
Plug.
Here is the further optimization and/or improvements to invention technology described above scheme:
Above-mentioned scraper cylinder may include the upper mounting portion being from top to bottom successively fixedly installed togather, on scrape cylinder, in scrape cylinder and under scrape
The upper mounting portion upper end of cylinder and lower mounting portion, corresponding each third groove location is equipped in corresponding position third groove
Third convex block, the lower mounting portion lower end of corresponding each 4th groove location are equipped with the 4th in the 4th groove of corresponding position
Convex block；The internal diameter of upper mounting portion and the internal diameter of lower mounting portion are identical, and the outer diameter of upper mounting portion and the outer diameter of lower mounting portion are identical, on
The internal diameter for scraping cylinder is greater than the internal diameter of upper mounting portion, and the outer diameter for above scraping cylinder is less than the outer diameter of upper mounting portion；On scrape cylinder internal diameter and under
The internal diameter for scraping cylinder is identical, and the outer diameter for above scraping cylinder scrapes that the outer diameter of cylinder is identical under, in scrape the internal diameter of cylinder and be greater than the internal diameter for above scraping cylinder, in
The outer diameter for scraping cylinder is greater than the outer diameter for above scraping cylinder；In scrape and be intervally distributed at least two groups borehole wall scraper on the outside of cylinder up and down；On scrape outside cylinder
Lateral edge circumference uniform distribution is scraped in corresponding each upper groove lower end position and is equipped on the outside of cylinder there are six upper groove up and down
The oblique groove of lower perforation, scrapes to be equipped on the outside of cylinder under corresponding each oblique groove lower end position and is interspersed down with upper groove
Groove.
Above-mentioned upper groove top can semicircular in shape, upper groove lower part is in isosceles trapezoid, the groove width of upper groove lower part by up to
Under be gradually reduced, the lower part semicircular in shape of lower groove, the top of lower groove is in isosceles trapezoid, and the groove width on the top of lower groove is by upper
It is gradually increased under, oblique groove parallelogram；The slot of the groove width of upper groove lower end, the groove width of oblique groove and lower groove upper end
Wide three is of same size.
It is above-mentioned to may also include snap ring, thrust button and thrust ring, it is set on the outside of the mandrel of corresponding second bearing outer cylinder lower end position
There is the 5th annular groove, inner groove is equipped on the inside of upper mounting portion upper end, outer end is equipped in the 5th annular groove and is located at the snap ring in inner groove, the
End seat is in snap ring upper end under two bearing outer cylinders；It is from top to bottom successively arranged in the inner groove of corresponding snap ring lower position and is sleeved on core
The thrust button and thrust ring of corresponding position on the outside of axis, the lower end seat of thrust ring is in interior annular groove bottom；Snap ring is two semicircular rings, only
Push-plate is annulus, and thrust ring is the annulus that upper surface is equipped with fillet.
It is above-mentioned to may also include O-ring seals, it is set between the first bearing outer cylinder and mandrel of corresponding first annular groove top position
There are O-ring seals, is equipped with O-ring seals between the first bearing outer cylinder and mandrel of corresponding first annular groove lower position；Corresponding the
It is equipped with O-ring seals between the second bearing outer cylinder and mandrel of two annular groove top positions, the of corresponding second annular groove lower position
O-ring seals are equipped between two bearing outer cylinders and mandrel；The 3rd bearing outer cylinder and mandrel of corresponding third annular groove top position it
Between be equipped with O-ring seals, O-ring seals are equipped between the 3rd bearing outer cylinder and mandrel of corresponding third annular groove lower position；It is right
It answers and is equipped with O-ring seals between the fourth bearing outer cylinder and mandrel of the 4th annular groove top position, corresponding 4th annular groove lower position
Fourth bearing outer cylinder and mandrel between be equipped with O-ring seals.
Above-mentioned first plug inner end can be equipped with the first half ball grooves to match with the first steel ball, and the first steel ball outer end is located at the
In half ball groove；Second plug inner end is equipped with the second half ball grooves to match with the second steel ball, and the second steel ball outer end is located at second
In half ball groove；Third plug inner end is equipped with half ball groove of third to match with third steel ball, and third steel ball outer end is located at third half
In ball groove；4th plug inner end is equipped with the 4th half ball groove to match with the 4th steel ball, and the 4th steel ball outer end is located at the 4th hemisphere
In slot.
Above-mentioned mandrel upper outside can be uniformly distributed with three the first outside keyways along the circumference；Mandrel lower outside is uniformly distributed with along the circumference
Three the second outside keyways；Six straight flutes up and down is uniformly distributed with along the circumference on the outside of upper grinding milling cylinder；The outer lateral edge circle of upper righting cylinder
It is evenly equipped with six the first valley gutters up and down week；Be uniformly distributed with along the circumference on the outside of lower righting cylinder six up and down second tiltedly
Groove；Outside is equipped in the middle part of scraper cylinder is intervally distributed with nine groups of borehole wall scrapers up and down.
Structure of the invention is reasonable and compact, is skillfully constructed, by being from top to bottom successively set with upper milling on the outside of mandrel
Cylinder, first bearing outer cylinder, upper righting cylinder, second bearing outer cylinder, scraper cylinder, 3rd bearing outer cylinder, lower righting cylinder and fourth bearing
Outer cylinder and lower grinding milling cylinder, to realize that all components of mandrel installation will not after avoiding above-mentioned component from being mounted on multiple axis
String is connected through a screw thread between same axis and axis influences globality afterwards together；It will be upper by position limit device and upper limit annulus
Grinding milling cylinder is installed in mandrel upper outside, and rotates upper grinding milling cylinder with mandrel by the way that the first square key is arranged；Pass through lower limit
Lower grinding milling cylinder is installed in mandrel lower outside by position device and lower limit annulus, and makes lower milling by the second square key of setting
Cylinder is rotated with mandrel；By setting first bearing outer cylinder, second bearing outer cylinder, 3rd bearing outer cylinder and fourth bearing outer cylinder, prevent
Only upper righting cylinder, scraper cylinder and lower righting cylinder are rotated with mandrel；By rotating upper grinding milling cylinder and lower grinding milling cylinder with mandrel, realize
The milling of upper grinding milling cylinder and lower grinding milling cylinder to tube wall, has the characteristics that efficient, stable and time saving and energy saving.
Detailed description of the invention
Attached drawing 1 is schematic diagram of main cross-sectional structure of most preferred embodiment.
Attached drawing 2 is the enlarged structure schematic diagram in attached drawing 1 at A.
Attached drawing 3 is the section view enlarged structure schematic diagram in attached drawing 1 at B-B.
Attached drawing 4 is the half-sectional enlarged structure schematic diagram of main view of scraper cylinder in attached drawing 1.
Coding in attached drawing is respectively as follows: 1 for mandrel, and 2 be upper grinding milling cylinder, and 3 be first bearing outer cylinder, and 4 be upper righting cylinder, and 5
It is borehole wall scraper for second bearing outer cylinder, 6,7 be 3rd bearing outer cylinder, and 8 be lower righting cylinder, and 9 be fourth bearing outer cylinder, under 10 are
Grinding milling cylinder, 11 be straight flute, and 12 be O-ring seals, and 13 be the first convex block, and 14 be the second convex block, and 15 be third convex block, and 16 be the
Four convex blocks, 17 be the 5th convex block, 18 be the 6th convex block, 19 be the first steel ball, 20 be the first plug, 21 be the first valley gutter, 22
For the second valley gutter, 23 be upper mounting portion, and 24 is above scrape cylinder, 25 be in scrape cylinder, 26 be under scrape cylinder, 27 be lower mounting portion, and 28 are
Upper groove, 29 be oblique groove, and 30 be lower groove, and 31 be snap ring, and 32 be thrust button, and 33 be thrust ring, and 34 be sunk screw, and 35 are
Stop collar, 36 be position-limiting drum, and 37 be upper limit annulus, and 38 be lower limit annulus, and 39 be the first square key, and 40 be the second square key.
Specific embodiment
The present invention is not limited by the following examples, can determine according to the technique and scheme of the present invention with actual conditions specific
Embodiment.
In the present invention, for ease of description, the description of the relative positional relationship of each component is according to Figure of description 1
Butut mode be described, such as: front, rear, top, and bottom, left and right positional relationship be the cloth according to Figure of description 1
Figure direction determines.
Below with reference to examples and drawings, the invention will be further described:
As shown in attached drawing 1,2,3,4, the rotatable pipe device of scraping of the monoblock type includes mandrel 1, upper grinding milling cylinder 2, first bearing outer cylinder
3, upper righting cylinder 4, second bearing outer cylinder 5, scraper cylinder, 3rd bearing outer cylinder 7, lower righting cylinder 8, fourth bearing outer cylinder 9 and lower mill
Cylinder 10 is milled, 1 upper outside of mandrel is fixedly installed with upper limit assembly, and upper limit assembly includes stop collar 35, position-limiting drum 36 and sinks
Head screw 34,1 upper outside of mandrel are set with position-limiting drum 36, and 36 lower end inside of position-limiting drum is equipped with limited ring groove, corresponding stop collar
1 upper outside of mandrel of groove location is equipped with installation annular groove, is equipped with outer end in installation annular groove and is located at the stop collar 35 in limited ring groove,
Stop collar 35 includes two opposite limit semi-rings of opening, and being uniformly distributed at least two along the circumference on the outside of position-limiting drum 36 can be by position-limiting drum
36 and the sunk screw 34 that is fixedly installed togather of stop collar 35；1 lower outside of mandrel is fixedly installed with lower limit component, lower limit
Hyte part is identical as upper limit assembly structure, and is distributed in mirror symmetry；1 top of mandrel of corresponding upper limit hyte part lower position
Outside is equipped with upper outer groove, and upper limit annulus 37 is equipped in upper outer groove, and upper limit annulus 37 includes two opposite limits of opening
Position semi-ring, 1 lower outside of mandrel of corresponding lower limit hyte part top position are equipped with lower outer groove, are equipped with lower limit in lower outer groove
Annulus 38, lower limit annulus 38 include two opposite limit semi-rings of opening, the meta position of corresponding upper limit hyte part and upper outer groove
1 upper outside of mandrel set is set with grinding milling cylinder 2, and 1 upper outside of mandrel of 2 upper end position of grinding milling cylinder is circumferentially equal in correspondence
It is furnished at least one first outside keyway, is equipped in first on the inside of 2 upper end of upper grinding milling cylinder of corresponding each first external key groove location
Keyway, is equipped with the first square key 39 that outer end is located in the first internal keyway of corresponding position in each first outside keyway, outer in correspondence
2 lower end inside of upper grinding milling cylinder of ring groove position is equipped with upper inner ring slot, and 37 outer end of upper limit annulus is located in upper inner ring slot；Under correspondence
1 lower outside of mandrel of position is set with lower grinding milling cylinder 10, corresponding lower 10 lower end of grinding milling cylinder between limit assembly and lower outer groove
1 lower outside of mandrel of position is uniformly distributed at least one second outside keyway along the circumference, corresponds under each second external key groove location
10 lower end inside of grinding milling cylinder is equipped with the second internal keyway, and outer end is equipped in each second outside keyway and is located in corresponding position second
10 upper end of the lower grinding milling cylinder inside of the second square key 40 in keyway, corresponding lower outer ring groove location is equipped with lower inner ring slot, lower limit circle of position
38 outer end of ring is located in lower inner ring slot；Upper grinding milling cylinder 2 include the first conical cylinder section for being from top to bottom successively fixedly installed togather and
First direct tube section, the first conical cylinder section are in up-small and down-big truncated cone-shaped, are equipped with high hardness wear-resisting layer, upper milling on the outside of upper grinding milling cylinder 2
2 outside of cylinder is uniformly distributed at least four straight flutes 11 up and down along the circumference, and lower grinding milling cylinder 10 is identical as upper 2 structure of grinding milling cylinder,
And it is distributed in mirror symmetry；The middle part of mandrel 1 outside of position is from top to bottom successively between grinding milling cylinder 2 and lower grinding milling cylinder 10 in correspondence
It is set with first bearing outer cylinder 3, upper righting cylinder 4, second bearing outer cylinder 5, scraper cylinder, 3rd bearing outer cylinder 7, lower 8 and of righting cylinder
Fourth bearing outer cylinder 9；3 lower end outside of first bearing outer cylinder is uniformly distributed at least two first grooves along the circumference, corresponds to each first
Upper 4 upper end of righting cylinder of groove location is equipped with the first convex block 13 in the first groove of corresponding position, second bearing outer cylinder 5
It is uniformly distributed at least two second grooves on the outside of upper end along the circumference, upper 4 lower end of righting cylinder of corresponding each second groove location is all provided with
There is the second convex block 14 being located in the second groove of corresponding position, 5 lower end outside of second bearing outer cylinder is uniformly distributed at least two along the circumference
The scraper cylinder upper end of a third groove, corresponding each third groove location is equipped with the third in corresponding position third groove
Convex block 15,7 upper end of 3rd bearing outer cylinder outside are uniformly distributed at least two the 4th grooves, corresponding each 4th groove location along the circumference
Scraper cylinder lower end be equipped with the 4th convex block 16 in the 4th groove of corresponding position, 7 lower end outside edge of 3rd bearing outer cylinder
At least two the 5th grooves are evenly distributed in, lower 8 upper end of righting cylinder of corresponding each 5th groove location is equipped with to be located at and correspond to
The 5th convex block 17 in the 5th groove of position, 9 lower end outside of fourth bearing outer cylinder are uniformly distributed at least two the 6th grooves along the circumference,
Lower 8 lower end of righting cylinder of corresponding each 6th groove location is equipped with the 6th convex block 18 in the 6th groove of corresponding position；
3 middle part outside of first bearing outer cylinder is uniformly distributed at least two the first mounting holes of inside and outside perforation, corresponding first installation hole location along the circumference
1 upper outside of mandrel set is equipped with the first annular groove, is equipped with inner end in the first mounting hole and is located at the first steel ball 19 in the first annular groove,
The first plug 20 that inner end and 19 outer end of the first steel ball offset is fixedly installed in first mounting hole；Upper righting cylinder 4 includes by upper
The second conical cylinder section, the second direct tube section and the third cone cylinder section being successively fixedly installed togather under, the second conical cylinder section present it is small under
Big truncated cone-shaped, the third cone cylinder section are in up big and down small truncated cone-shaped, are uniformly distributed at least about four along the circumference on the outside of upper righting cylinder 4
First valley gutter 21 of perforation；5 middle part outside of second bearing outer cylinder is uniformly distributed at least two inside and outside the second installations of perforation along the circumference
Hole, 1 upper outside of mandrel of corresponding second position of mounting hole are equipped with the second annular groove, are equipped with inner end in the second mounting hole and are located at second
The second steel ball in annular groove is fixedly installed with the second plug that inner end and the second steel ball outer end offset in the second mounting hole；Scraper
Cylinder middle part outside is intervally distributed at least two groups borehole wall scraper 6 up and down；The middle part of 3rd bearing outer cylinder 7 outside be uniformly distributed with along the circumference to
Third mounting hole is penetrated through inside and outside two few, 1 lower outside of mandrel of corresponding third position of mounting hole is equipped with third annular groove, third peace
Inner end is equipped in dress hole and is located at the third steel ball in third annular groove, is fixedly installed with outside inner end and third steel ball in third mounting hole
Hold the third plug to offset；Lower righting cylinder 8 includes the 4th conical cylinder section being from top to bottom successively fixedly installed togather, third straight tube
Section and the 5th conical cylinder section, the 4th conical cylinder section be in up-small and down-big truncated cone-shaped, the 5th conical cylinder section be in up big and down small truncated cone-shaped, under help
At least four the second valley gutters 22 up and down is uniformly distributed with along the circumference on the outside of positive cylinder 8；The outer lateral edge circle in 9 middle part of fourth bearing outer cylinder
It is evenly equipped at least two the 4th mounting holes of inside and outside perforation week, 1 lower outside of mandrel of corresponding 4th position of mounting hole is equipped with the 4th
Annular groove, the interior inner end that is equipped with of the 4th mounting hole are located at the 4th steel ball in the 4th annular groove, are fixedly installed with inner end in the 4th mounting hole
The 4th plug to offset with the 4th steel ball outer end.According to demand, according to underground working and casing inner diameter size, the present invention selects to close
Suitable maximum outside diameter, when carrying out boring mill cement or down-hole casing float collar attachment and float shoe, the present invention need to be bored apart from bottom
Perhaps the distance bottom drill bit of junk mill at least one drill collar or the outer diameter of junk mill need to be greater than upper righting cylinder 4 and lower righting head
The outer diameter of cylinder 8；In addition, high hardness wear-resisting layer can be hard alloy abradant of the surfacing in upper grinding milling cylinder 2 and lower grinding milling cylinder 10.Make
With in the process, the present invention is accessed in conventionally known pipe string, speed cannot be faster than 45 meters per minute during making a trip, drilling tool
Should in due course intermittent lift-off shaft bottom, the clast that may be accumulated with loop cleaning；When bore cement, float collar, float and other
When casing hardware, bit pressure is between 20-30KN, and revolving speed is at 50-60 rpms；It only needs to carry out tube wall when being not required to rotation
When pipe cleaning, the present invention reaches the projected depth of tubing string tripping in, and put-on and delegated tubing string, which can be completed, scrapes wall operation, and decentralization bit pressure exists
Between 20-30KN, and the circulation of huge discharge is carried out, internal surface of sleeve pipe is scraped into attachment and takes wellbore out of, keeps wellbore clean, just
It effectively plays a role in downhole tool.Structure of the invention is reasonable and compact, is skillfully constructed, by the outside of mandrel 1 by up to
Under be successively set with grinding milling cylinder 2, first bearing outer cylinder 3, upper righting cylinder 4, second bearing outer cylinder 5, scraper cylinder, outside 3rd bearing
Cylinder 7, lower righting cylinder 8 and fourth bearing outer cylinder 9 and lower grinding milling cylinder 10 avoid to realize that a mandrel 1 installs all components
State after component is mounted on multiple axis, will be connected through a screw thread between different axis and axis string influence afterwards together it is of the invention whole
Body；Upper grinding milling cylinder 2 is installed in 1 upper outside of mandrel by position limit device and upper limit annulus 37, and by setting
Setting the first square key 39 rotates grinding milling cylinder 2 with mandrel 1；Lower grinding milling cylinder 10 is limited by lower caging device and lower limit annulus 38
Position is mounted on 1 lower outside of mandrel, and rotates lower grinding milling cylinder 10 with mandrel 1 by the way that the second square key 40 is arranged；Pass through setting the
One bearing outer cylinder 3, second bearing outer cylinder 5,3rd bearing outer cylinder 7 and fourth bearing outer cylinder 9, prevent righting cylinder 4, scraper cylinder and
Lower righting cylinder 8 is rotated with mandrel 1；By rotating upper grinding milling cylinder 2 and lower grinding milling cylinder 10 with mandrel 1, grinding milling cylinder 2 is under in realization
Milling of the grinding milling cylinder 10 to tube wall has the characteristics that efficient, stable and time saving and energy saving.
Can according to actual needs, pipe device of scraping rotatable to above-mentioned monoblock type makes further optimization and/or improvements:
As shown in attached drawing 1,2,3,4, scraper cylinder include the upper mounting portion 23 being from top to bottom successively fixedly installed togather, on scrape cylinder
24, scraped in cylinder 25 and under scrape cylinder 26 and lower mounting portion 27,23 upper end of upper mounting portion of corresponding each third groove location is equipped with
27 lower end of lower mounting portion of third convex block 15 in corresponding position third groove, corresponding each 4th groove location is equipped with
The 4th convex block 16 in the 4th groove of corresponding position；The internal diameter of upper mounting portion 23 is identical with the internal diameter of lower mounting portion 27, on
The outer diameter of mounting portion 23 is identical with the outer diameter of lower mounting portion 27, and the internal diameter for above scraping cylinder 24 is greater than the internal diameter of upper mounting portion 23, above scrapes
The outer diameter of cylinder 24 is less than the outer diameter of upper mounting portion 23；On scrape the internal diameter of cylinder 24 and scrape that the internal diameter of cylinder 26 is identical under, above scrape cylinder 24
The outer diameter that outer diameter scrapes cylinder 26 under is identical, in scrape the internal diameter of cylinder 25 and be greater than and above scrape the internal diameter of cylinder 24, in scrape the outer diameter of cylinder 25 and be greater than
On scrape the outer diameter of cylinder 24；In scrape the outside of cylinder 25 and be intervally distributed at least two groups borehole wall scraper 6 up and down；On scrape the outside of cylinder 24 circumferentially
It is evenly distributed with there are six upper groove 28 up and down, scrapes and be equipped on the outside of cylinder 25 up and down in corresponding each 28 lower end position of upper groove
The oblique groove 29 of perforation corresponds to scrape to be equipped on the outside of cylinder 26 under each 29 lower end position of oblique groove and divide with upper groove 28 in interlocking
The lower groove 30 of cloth.According to demand, the multiple groups borehole wall scraper 6 for being equipped on the outside of cylinder 25 and being intervally distributed with up and down is scraped in set to be whole
It sets.In use, monoblock type scraper intensity is high, and doctor edge is tilted from centre to two sides, to internal surface of sleeve pipe sundries in point or
Line contact, it is high aggressive, have and preferably scrape wall effect, in addition, the clast scraped can pass through upper groove 28,29 and of oblique groove
Lower groove 30 smoothly, effectively and rapidly drains into runner.
As shown in attached drawing 1,2,3,4,28 top semicircular in shape of upper groove, 28 lower part of upper groove is in isosceles trapezoid, upper groove
The groove width of 28 lower parts gradually decreasees from top to bottom, the lower part semicircular in shape of lower groove 30, and the top of lower groove 30 is in isosceles trapezoid,
The groove width on the top of lower groove 30 is from top to bottom gradually increased, 29 parallelogram of oblique groove；The groove width of 28 lower end of upper groove,
The groove width three of 30 upper end of groove width and lower groove of oblique groove 29 is of same size.In use, setting in this way, is scraped
The clast fallen can preferably pass through upper groove 28, oblique groove 29 and lower groove 30 and smoothly, effectively and rapidly drain into runner.
It further include snap ring 31, thrust button 32 and thrust ring 33, corresponding 5 lower end of second bearing outer cylinder as shown in attached drawing 1,2,4
It is equipped with the 5th annular groove on the outside of the mandrel 1 of position, inner groove is equipped on the inside of 23 upper end of upper mounting portion, outer end position is equipped in the 5th annular groove
In the snap ring 31 in inner groove, the lower end seat of second bearing outer cylinder 5 is in 31 upper end of snap ring；The inner groove of corresponding 31 lower position of snap ring
Inside from top to bottom it is successively arranged the thrust button 32 and thrust ring 33 for being sleeved on 1 outside corresponding position of mandrel, the lower end of thrust ring 33
Seat is in inner groove bottom；Snap ring 31 is two semicircular rings, and thrust button 32 is annulus, and thrust ring 33 is the circle that upper surface is equipped with fillet
Ring.In use, setting in this way makes thrust button 32 play the role of rolling bearing, and thrust ring 33 is made to play cunning
The effect of dynamic bearing；In addition, by setting two semicircular rings for snap ring 31, convenient for the installation of snap ring 31.
It further include O-ring seals 12 as shown in attached drawing 1,2,3,4, outside the first bearing of corresponding first annular groove top position
O-ring seals 12 are equipped between cylinder 3 and mandrel 1, between the first bearing outer cylinder 3 and mandrel 1 of corresponding first annular groove lower position
Equipped with O-ring seals 12；O-ring seals are equipped between the second bearing outer cylinder 5 and mandrel 1 of corresponding second annular groove top position
12, O-ring seals 12 are equipped between the second bearing outer cylinder 5 and mandrel 1 of corresponding second annular groove lower position；Corresponding third annular groove
O-ring seals 12, the third of corresponding third annular groove lower position are equipped between the 3rd bearing outer cylinder 7 and mandrel 1 of top position
O-ring seals 12 are equipped between bearing outer cylinder 7 and mandrel 1；The fourth bearing outer cylinder 9 and mandrel of corresponding 4th annular groove top position
O-ring seals 12 are equipped between 1, it is close to be equipped with O shape between the fourth bearing outer cylinder 9 and mandrel 1 of corresponding 4th annular groove lower position
Seal 12.In use, the leakproofness between each component of the setting enhancing present invention in this way.
As shown in attached drawing 1,2,20 inner end of the first plug is equipped with the first half ball grooves to match with the first steel ball 19, the first steel
19 outer end of ball is located in the first half ball grooves；Second plug inner end is equipped with the second half ball grooves to match with the second steel ball, the second steel
Ball outer end is located in the second half ball grooves；Third plug inner end is equipped with half ball groove of third to match with third steel ball, third steel ball
Outer end is located in half ball groove of third；4th plug inner end is equipped with the 4th half ball groove that matches with the 4th steel ball, outside the 4th steel ball
End is located in the 4th half ball groove.In use, setting in this way can more preferably avoid first bearing outer cylinder 3, second
Bearing outer cylinder 5,3rd bearing outer cylinder 7 and fourth bearing outer cylinder 9 are rotated with mandrel 1.
As shown in attached drawing 1,2,3,4,1 upper outside of mandrel is uniformly distributed with three the first outside keyways along the circumference；Outside 1 lower part of mandrel
There are three the second outside keyways for lateral edge circumference uniform distribution；It is uniformly distributed with six straight flutes 11 up and down on the outside of upper grinding milling cylinder 2 along the circumference；
It is uniformly distributed with six the first valley gutters 21 up and down on the outside of upper righting cylinder 4 along the circumference；It is uniformly distributed with along the circumference on the outside of lower righting cylinder 8
Six the second valley gutters 22 up and down；Outside is equipped in the middle part of scraper cylinder is intervally distributed with nine groups of borehole wall scrapers 6 up and down.Make
It is more stable when being rotated convenient for upper grinding milling cylinder 2 with mandrel 1 by three the first outside keyways of setting with process；Pass through setting three
Second outside keyway is more stable when rotating convenient for lower grinding milling cylinder 10 with mandrel 1；By the way that six straight flutes 11 up and down is arranged,
Convenient for enhancing the milling effect of upper grinding milling cylinder 2 and lower grinding milling cylinder 10；Pass through the first valley gutter 21 of setting six up and down, energy
It is enough to enhance upper 4 outside of righting cylinder and the contact area on the inside of tube wall, to have better righting effect；By in setting six
Second valley gutter 22 of lower perforation can enhance lower 8 outside of righting cylinder and the contact area on the inside of tube wall, to have better
Righting effect；By the way that nine groups of borehole wall scrapers 6 are arranged, can enhance scraper cylinder scrapes wall effect.
The above technical characteristic constitutes highly preferred embodiment of the present invention, with stronger adaptability and best implementation effect
Fruit can increase and decrease non-essential technical characteristic, according to actual needs to meet the needs of different situations.
Claims (10)
1. a kind of monoblock type is rotatable to scrape pipe device, it is characterised in that including mandrel, upper grinding milling cylinder, first bearing outer cylinder, on help
Positive cylinder, second bearing outer cylinder, scraper cylinder, 3rd bearing outer cylinder, lower righting cylinder, fourth bearing outer cylinder and lower grinding milling cylinder, on mandrel
It is fixedly installed with upper limit assembly on the outside of portion, upper limit assembly includes stop collar, position-limiting drum and sunk screw, mandrel upper outside
It is set with position-limiting drum, position-limiting drum lower end inside is equipped with limited ring groove, and the mandrel upper outside of corresponding limited ring groove position is equipped with peace
Annular groove is filled, outer end is equipped in installation annular groove and is located at the stop collar in limited ring groove, stop collar includes two opposite limits of opening
Semi-ring, position-limiting drum outside are uniformly distributed at least two countersunk head spiral shells that position-limiting drum and stop collar can be fixedly installed togather along the circumference
Nail；Mandrel lower outside is fixedly installed with lower limit component, and lower limit component is identical as upper limit assembly structure, and is in mirror image pair
Claim distribution；The mandrel upper outside of corresponding upper limit hyte part lower position is equipped with upper outer groove, is equipped with upper limit in upper outer groove
Annulus, upper limit annulus include two opposite limit semi-rings of opening, outside the mandrel lower part of corresponding lower limit hyte part top position
Side is equipped with lower outer groove, and lower limit annulus is equipped in lower outer groove, and lower limit annulus includes two opposite limit semi-rings of opening,
The mandrel upper outside of position is set with grinding milling cylinder between corresponding upper limit hyte part and upper outer groove, grinding milling cylinder upper end in correspondence
The mandrel upper outside of position is uniformly distributed at least one first outside keyway, the upper mill of corresponding each first external key groove location along the circumference
Milling is equipped with the first internal keyway on the inside of cylinder upper end, and outer end is equipped in each first outside keyway and is located at the first internal keyway of corresponding position
The first interior square key, the upper grinding milling cylinder lower end inside of outer ring groove location is equipped with upper inner ring slot, upper limit annulus outer end position in correspondence
In in upper inner ring slot；The mandrel lower outside of position is set with lower grinding milling cylinder between corresponding lower limit hyte part and lower outer groove, right
The mandrel lower outside of grinding milling cylinder lower end position should be descended to be uniformly distributed at least one second outside keyway along the circumference, corresponded to outside each second
The lower grinding milling cylinder lower end inside of keyway position is equipped with the second internal keyway, and outer end is equipped in each second outside keyway and is located at correspondence
The lower grinding milling cylinder upper end inside of the second square key in the second internal keyway of position, corresponding lower outer ring groove location is equipped with lower inner ring slot, under
Limit annulus outer end is located in lower inner ring slot；Upper grinding milling cylinder includes the first conical cylinder section being from top to bottom successively fixedly installed togather
With the first direct tube section, the first conical cylinder section is in up-small and down-big truncated cone-shaped, is equipped with high hardness wear-resisting layer, upper milling on the outside of upper grinding milling cylinder
Cylinder outside is uniformly distributed at least four straight flutes up and down along the circumference, and lower grinding milling cylinder is identical as upper milling barrel structure, and is in mirror
As symmetrical；Outside is from top to bottom successively set with first in the middle part of the mandrel of position between grinding milling cylinder and lower grinding milling cylinder in correspondence
Bearing outer cylinder, upper righting cylinder, second bearing outer cylinder, scraper cylinder, 3rd bearing outer cylinder, lower righting cylinder and fourth bearing outer cylinder；The
One bearing outer cylinder lower end outside is uniformly distributed at least two first grooves, the upper righting cylinder of corresponding each first groove location along the circumference
Upper end is equipped with the first convex block in the first groove of corresponding position, be uniformly distributed with along the circumference on the outside of second bearing outer cylinder upper end to
The upper righting cylinder lower end of few two the second grooves, corresponding each second groove location is equipped in the second groove of corresponding position
The second convex block, second bearing outer cylinder lower end outside is uniformly distributed at least two third grooves along the circumference, corresponding each third groove
The scraper cylinder upper end of position is equipped with the third convex block in corresponding position third groove, lateral edge outside 3rd bearing outer cylinder upper end
At least two the 4th grooves are evenly distributed in, the scraper cylinder lower end of corresponding each 4th groove location is equipped with positioned at corresponding position
The 4th convex block in 4th groove, 3rd bearing outer cylinder lower end outside is uniformly distributed at least two the 5th grooves along the circumference, corresponding every
The lower righting cylinder upper end of a 5th groove location is equipped with the 5th convex block in the 5th groove of corresponding position, outside fourth bearing
Cylinder lower end outside is uniformly distributed at least two the 6th grooves along the circumference, and the lower righting cylinder lower end of corresponding each 6th groove location is all provided with
There is the 6th convex block being located in the 6th groove of corresponding position；Outside is uniformly distributed with along the circumference at least two in the middle part of first bearing outer cylinder
The first mounting hole of outer perforation, the mandrel upper outside of corresponding first position of mounting hole are equipped with the first annular groove, set in the first mounting hole
There is inner end to be located at the first steel ball in the first annular groove, is fixedly installed with what inner end offseted with the first steel ball outer end in the first mounting hole
First plug；Upper righting cylinder includes the second conical cylinder section, the second direct tube section and third being from top to bottom successively fixedly installed togather
Conical cylinder section, the second conical cylinder section are in up-small and down-big truncated cone-shaped, and the third cone cylinder section is in up big and down small truncated cone-shaped, upper righting cylinder outside
It is uniformly distributed at least four the first valley gutters up and down along the circumference；Outside is uniformly distributed with along the circumference at least in the middle part of second bearing outer cylinder
The second mounting hole is penetrated through inside and outside two, the mandrel upper outside of corresponding second position of mounting hole is equipped with the second annular groove, the second installation
It is equipped with inner end in hole and is located at the second steel ball in the second annular groove, is fixedly installed with inner end and the second steel ball outer end in the second mounting hole
The second plug to offset；Outside is intervally distributed at least two groups borehole wall scraper up and down in the middle part of scraper cylinder；In the middle part of 3rd bearing outer cylinder
Outside is uniformly distributed at least two inside and outside perforation third mounting holes along the circumference, and the mandrel lower outside of corresponding third position of mounting hole is set
There is third annular groove, inner end is equipped in third mounting hole and is located at the third steel ball in third annular groove, is fixedly mounted in third mounting hole
The third plug for thering is inner end and third steel ball outer end to offset；Lower righting cylinder includes to be from top to bottom successively fixedly installed togather
Four conical cylinder sections, third direct tube section and the 5th conical cylinder section, the 4th conical cylinder section are in up-small and down-big truncated cone-shaped, and the 5th conical cylinder section is presented greatly
Under small truncated cone-shaped, be uniformly distributed at least four the second valley gutters up and down along the circumference on the outside of lower righting cylinder；Outside fourth bearing
Cylinder middle part outside is uniformly distributed at least two the 4th mounting holes of inside and outside perforation, the mandrel lower part of corresponding 4th position of mounting hole along the circumference
Outside is equipped with the 4th annular groove, and inner end is equipped in the 4th mounting hole and is located at the 4th steel ball in the 4th annular groove, is consolidated in the 4th mounting hole
The 4th plug that Dingan County offsets equipped with inner end and the 4th steel ball outer end.
2. monoblock type according to claim 1 is rotatable to scrape pipe device, it is characterised in that scraper cylinder include from top to bottom according to
The secondary upper mounting portion being fixedly installed togather, on scrape cylinder, in scrape cylinder and under scrape cylinder and lower mounting portion, corresponding each third groove position
The upper mounting portion upper end set is equipped with the third convex block in corresponding position third groove, corresponding each 4th groove location
Lower mounting portion lower end is equipped with the 4th convex block in the 4th groove of corresponding position；The internal diameter of upper mounting portion and lower mounting portion
Internal diameter is identical, and the outer diameter of upper mounting portion and the outer diameter of lower mounting portion are identical, and the internal diameter for above scraping cylinder is greater than the internal diameter of upper mounting portion, on
The outer diameter for scraping cylinder is less than the outer diameter of upper mounting portion；On scrape the internal diameter of cylinder and scrape that the internal diameter of cylinder is identical under, above scrape cylinder outer diameter and under
The outer diameter for scraping cylinder is identical, in scrape the internal diameter of cylinder and be greater than and above scrape the internal diameter of cylinder, in scrape the outer diameter of cylinder and be greater than the outer diameter for above scraping cylinder；In scrape
Cylinder outside is intervally distributed at least two groups borehole wall scraper up and down；On scrape and be uniformly distributed with six fovea superiors up and down along the circumference on the outside of cylinder
Slot corresponds to the oblique groove scraped and be equipped on the outside of cylinder up and down in each upper groove lower end position, corresponds under each oblique groove
It is scraped under end position and is equipped with the lower groove being interspersed with upper groove on the outside of cylinder.
3. monoblock type according to claim 2 is rotatable to scrape pipe device, it is characterised in that upper groove top semicircular in shape, on
Groove lower part is in isosceles trapezoid, and the groove width of upper groove lower part gradually decreasees from top to bottom, and the lower part semicircular in shape of lower groove is recessed
The top of slot is in isosceles trapezoid, and the groove width on the top of lower groove is from top to bottom gradually increased, oblique groove parallelogram；Fovea superior
The groove width three of the groove width of slot lower end, the groove width of oblique groove and lower groove upper end is of same size.
4. monoblock type according to claim 2 or 3 is rotatable to scrape pipe device, it is characterised in that further include snap ring, thrust button
And thrust ring, the mandrel outside of corresponding second bearing outer cylinder lower end position are equipped with the 5th annular groove, are equipped on the inside of upper mounting portion upper end
Inner groove, the interior outer end that is equipped with of the 5th annular groove are located at the snap ring in inner groove, and end seat is in snap ring upper end under second bearing outer cylinder；It is corresponding
The thrust button and thrust ring for being sleeved on corresponding position on the outside of mandrel are from top to bottom successively arranged in the inner groove of snap ring lower position,
The lower end seat of thrust ring is in interior annular groove bottom；Snap ring is two semicircular rings, and thrust button is annulus, and thrust ring is that upper surface is equipped with circle
The annulus at angle.
5. monoblock type according to claim 1 or 2 or 3 is rotatable to scrape pipe device, it is characterised in that further include the sealing of O shape
Circle is equipped with O-ring seals, corresponding first annular groove lower section between the first bearing outer cylinder and mandrel of corresponding first annular groove top position
O-ring seals are equipped between the first bearing outer cylinder and mandrel of position；The second bearing outer cylinder of corresponding second annular groove top position
O-ring seals are equipped between mandrel, it is close to be equipped with O shape between the second bearing outer cylinder and mandrel of corresponding second annular groove lower position
Seal；O-ring seals are equipped between the 3rd bearing outer cylinder and mandrel of corresponding third annular groove top position, are corresponded under third annular groove
O-ring seals are equipped between the orientation 3rd bearing outer cylinder set and mandrel；Outside the fourth bearing of corresponding 4th annular groove top position
It is equipped with O-ring seals between cylinder and mandrel, is equipped with O shape between the fourth bearing outer cylinder and mandrel of corresponding 4th annular groove lower position
Sealing ring.
6. monoblock type according to claim 4 is rotatable to scrape pipe device, it is characterised in that it further include O-ring seals, it is corresponding
O-ring seals are equipped between the first bearing outer cylinder and mandrel of first annular groove top position, corresponding first annular groove lower position
O-ring seals are equipped between first bearing outer cylinder and mandrel；The second bearing outer cylinder and mandrel of corresponding second annular groove top position
Between be equipped with O-ring seals, O-ring seals are equipped between the second bearing outer cylinder and mandrel of corresponding second annular groove lower position；
O-ring seals, orientation under corresponding third annular groove are equipped between the 3rd bearing outer cylinder and mandrel of corresponding third annular groove top position
O-ring seals are equipped between the 3rd bearing outer cylinder set and mandrel；The fourth bearing outer cylinder of corresponding 4th annular groove top position with
It is equipped with O-ring seals between mandrel, is equipped with O shape between the fourth bearing outer cylinder and mandrel of corresponding 4th annular groove lower position and seals
Circle.
7. monoblock type described according to claim 1 or 2 or 3 or 6 is rotatable to scrape pipe device, it is characterised in that the first plug inner end
Equipped with the first half ball grooves to match with the first steel ball, the first steel ball outer end is located in the first half ball grooves；Second plug inner end is set
There are the second half ball grooves to match with the second steel ball, the second steel ball outer end is located in the second half ball grooves；Third plug inner end is equipped with
Half ball groove of third to match with third steel ball, third steel ball outer end are located in half ball groove of third；4th plug inner end be equipped with
The 4th half ball groove that 4th steel ball matches, the 4th steel ball outer end are located in the 4th half ball groove.
8. monoblock type according to claim 4 is rotatable to scrape pipe device, it is characterised in that the first plug inner end is equipped with and the
The first half ball grooves that one steel ball matches, the first steel ball outer end are located in the first half ball grooves；Second plug inner end is equipped with and second
The second half ball grooves that steel ball matches, the second steel ball outer end are located in the second half ball grooves；Third plug inner end is equipped with and third steel
Half ball groove of third that ball matches, third steel ball outer end are located in half ball groove of third；4th plug inner end is equipped with and the 4th steel ball
The 4th half ball groove to match, the 4th steel ball outer end are located in the 4th half ball groove.
9. monoblock type according to claim 5 is rotatable to scrape pipe device, it is characterised in that the first plug inner end is equipped with and the
The first half ball grooves that one steel ball matches, the first steel ball outer end are located in the first half ball grooves；Second plug inner end is equipped with and second
The second half ball grooves that steel ball matches, the second steel ball outer end are located in the second half ball grooves；Third plug inner end is equipped with and third steel
Half ball groove of third that ball matches, third steel ball outer end are located in half ball groove of third；4th plug inner end is equipped with and the 4th steel ball
The 4th half ball groove to match, the 4th steel ball outer end are located in the 4th half ball groove.
10. monoblock type described according to claim 1 or 2 or 3 or 6 or 8 or 9 is rotatable to scrape pipe device, it is characterised in that mandrel
Upper outside is uniformly distributed with three the first outside keyways along the circumference；Mandrel lower outside is uniformly distributed with three the second outside keyways along the circumference；On
Six straight flutes up and down is uniformly distributed with along the circumference on the outside of grinding milling cylinder；About six are uniformly distributed with along the circumference on the outside of upper righting cylinder to pass through
The first logical valley gutter；Six the second valley gutters up and down is uniformly distributed with along the circumference on the outside of lower righting cylinder；It is outer in the middle part of scraper cylinder
Side is equipped with is intervally distributed with nine groups of borehole wall scrapers up and down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910713342.0A CN110374554B (en) | 2019-08-02 | 2019-08-02 | Integral rotatable pipe scraping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910713342.0A CN110374554B (en) | 2019-08-02 | 2019-08-02 | Integral rotatable pipe scraping device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110374554A true CN110374554A (en) | 2019-10-25 |
| CN110374554B CN110374554B (en) | 2021-07-02 |
Family
ID=68257757
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910713342.0A Active CN110374554B (en) | 2019-08-02 | 2019-08-02 | Integral rotatable pipe scraping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110374554B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110847860A (en) * | 2019-12-04 | 2020-02-28 | 贵州高峰石油机械股份有限公司 | Casing pipe scraper |
| CN113266294A (en) * | 2021-07-06 | 2021-08-17 | 新疆华油油气工程有限公司 | Diameter-reducible anti-blocking milling cone and use method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2150329Y (en) * | 1993-02-01 | 1993-12-22 | 朱鸿亮 | Wax-scraping righting device for oil-pumping well |
| CN2677613Y (en) * | 2004-02-26 | 2005-02-09 | 大庆油田有限责任公司 | Scaler for internal wall of eccentric testing working cylinder |
| US20170122072A1 (en) * | 2012-06-27 | 2017-05-04 | Odfjell Well Services Norway As | Drill string mountable wellbore cleanup apparatus and method |
| CN207033408U (en) * | 2017-08-07 | 2018-02-23 | 克拉玛依市建业能源股份有限公司 | A kind of decontamination apparatus suitable for tube inner wall |
-
2019
- 2019-08-02 CN CN201910713342.0A patent/CN110374554B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2150329Y (en) * | 1993-02-01 | 1993-12-22 | 朱鸿亮 | Wax-scraping righting device for oil-pumping well |
| CN2677613Y (en) * | 2004-02-26 | 2005-02-09 | 大庆油田有限责任公司 | Scaler for internal wall of eccentric testing working cylinder |
| US20170122072A1 (en) * | 2012-06-27 | 2017-05-04 | Odfjell Well Services Norway As | Drill string mountable wellbore cleanup apparatus and method |
| CN207033408U (en) * | 2017-08-07 | 2018-02-23 | 克拉玛依市建业能源股份有限公司 | A kind of decontamination apparatus suitable for tube inner wall |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110847860A (en) * | 2019-12-04 | 2020-02-28 | 贵州高峰石油机械股份有限公司 | Casing pipe scraper |
| CN113266294A (en) * | 2021-07-06 | 2021-08-17 | 新疆华油油气工程有限公司 | Diameter-reducible anti-blocking milling cone and use method thereof |
| CN113266294B (en) * | 2021-07-06 | 2023-02-17 | 新疆华油油气工程有限公司 | Diameter-reducible anti-sticking milling cone and use method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110374554B (en) | 2021-07-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10190366B2 (en) | Hybrid drill bits having increased drilling efficiency | |
| US5111893A (en) | Device for drilling in and/or lining holes in earth | |
| CN109653691B (en) | Hydraulic and mechanical compound controllable rock debris bed cleaning tool | |
| US8887836B2 (en) | Drilling systems for cleaning wellbores, bits for wellbore cleaning, methods of forming such bits, and methods of cleaning wellbores using such bits | |
| CN110374554A (en) | Monoblock type is rotatable to scrape pipe device | |
| US5601151A (en) | Drilling tool | |
| US6758275B2 (en) | Method of cleaning and refinishing tubulars | |
| CN110886582A (en) | Integrated drilling tool for crushing and cleaning drilling well debris deposit bed | |
| CN104653130B (en) | Integral type blade fluid power-Magnetic drive borehole cleaning tool | |
| CN104763367B (en) | Pigging and pipe scraping integrated tool | |
| CA2527265A1 (en) | A mud depression tool and process for drilling | |
| CN206329317U (en) | One kind is with brill formula sleeve pipe wall scraper | |
| CA2944868C (en) | Rotatively mounting cutters on a drill bit | |
| CN203603805U (en) | Coiled tubing sand washing and well flushing tool | |
| CN209908428U (en) | Hydraulic and mechanical composite controllable detritus bed removing tool | |
| US20050211474A1 (en) | Gage surface scraper | |
| CN210858662U (en) | Rotatable pipe scraper | |
| CN209430129U (en) | A kind of dedicated throttling of casing job is anti-down to return rotary guide shoe | |
| CN211692318U (en) | Smooth well wall tool for well drilling | |
| CN220415287U (en) | Shock-resistant rotary guide shoe | |
| CN207620748U (en) | A kind of rotary circulating valve | |
| RU169174U1 (en) | Sub for cleaning wells "Hydrocliner" | |
| US11879295B2 (en) | Gouging cutter drill bit | |
| CN220319491U (en) | Casing pipe rigid centralizer | |
| CN217501609U (en) | Large-size casing pipe section milling tool |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |