CN107227938A - Well rotary guide shoe assembly can be repaired - Google Patents
Well rotary guide shoe assembly can be repaired Download PDFInfo
- Publication number
- CN107227938A CN107227938A CN201710567154.2A CN201710567154A CN107227938A CN 107227938 A CN107227938 A CN 107227938A CN 201710567154 A CN201710567154 A CN 201710567154A CN 107227938 A CN107227938 A CN 107227938A
- Authority
- CN
- China
- Prior art keywords
- guide shoe
- inner cylinder
- outer barrel
- groove
- ratchet
- 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
- 238000007790 scraping Methods 0.000 claims abstract description 18
- 238000006073 displacement reaction Methods 0.000 claims abstract description 4
- 238000007789 sealing Methods 0.000 claims description 5
- 239000000565 sealant Substances 0.000 claims description 3
- 210000004905 finger nail Anatomy 0.000 claims 1
- 230000001788 irregular Effects 0.000 abstract description 3
- 239000003129 oil well Substances 0.000 abstract description 2
- 230000003014 reinforcing effect Effects 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000033001 locomotion Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/14—Casing shoes for the protection of the bottom of the casing
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/10—Geothermal energy
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
- Earth Drilling (AREA)
Abstract
The present invention relates to reinforcing oil well and completion practice equipment technical field, it is that one kind can repair well rotary guide shoe assembly, including guide shoe body, outer barrel, shear pin and guide pin, guide shoe body includes inner cylinder and guide shoe head, and the bottom and the top of guide shoe head of inner cylinder are fixed together；Inner cylinder is set in outer barrel and both are mounted together by shear pin, the outer wall of inner cylinder is provided with the groove type rotary steering track that can be rotated by guide pin change in displacement, and the guide pin that at least two Inner ends are caught in groove type rotary steering track is installed with outer barrel.The present invention can be with inner cylinder rotating scraping wing by being set up on the outside of guide shoe head, many necking downs, irregular borehole can further be repaired in rotary course, reduce the contact area of guide shoe head and the borehole wall, carry cross-country traveling ability, so that it is guaranteed that the smooth decentralization of pipe string, it is to avoid pipe string jam occur and influence the phenomenon of cementing operation, with simple to operate, it is easy to use, the characteristics of time saving and energy saving.
Description
Technical field
The present invention relates to reinforcing oil well and completion practice equipment technical field, it is total to be that one kind can repair well rotary guide shoe
Into.
Background technology
During oil gas field well cementation setting of casing, when there is necking down, step, borehole uncleanness situation in well, general
Hemispherical guide shoe, because contact area is big, frictional force is big, causes bunch tube to be difficult to normally enter well, current technology measure needs
Pressue device pressurization can just make pipe string smoothly enter well, or the measure cleaning well for taking turn on pump to circulate, but this can not be solved
The frictional force that certainly well necking down is brought, if continuing tripping in sleeve pipe, is likely to result in the situation of cutting ferrule pipe when serious, this will be serious
Influence cementing operation.
The content of the invention
Well rotary guide shoe assembly can be repaired the invention provides one kind, the deficiency of above-mentioned prior art is overcome, its energy
The contact area for effectively solving existing hemispherical guide shoe presence is big, and frictional force is big, and bunch tube is difficult to normally enter well, it is necessary to aid in behaviour
Make, waste time and energy, and easily cutting ferrule pipe, the problem of influenceing cementing operation.
The technical scheme is that realized by following measures：One kind can repair well rotary guide shoe assembly, bag
Guide shoe body, outer barrel, shear pin and guide pin are included, guide shoe body includes inner cylinder and guide shoe head, the bottom of inner cylinder and guide shoe
The top of head is fixed together；Inner cylinder is set in outer barrel and both are mounted together by shear pin, outside inner cylinder
Wall is provided with the groove type rotary steering track that can be rotated by guide pin change in displacement, is installed with least on outer barrel
Two Inner ends are caught in the guide pin in groove type rotary steering track；Guide shoe head is located at below outer barrel, along circle on the outside of guide shoe head
At least three scraping wings are distributed with week.
Here is the further optimization and/or improvements to foregoing invention technical scheme：
Upper ring gear, the rotation of respective slot formula can be distributed with the inner tank theca of above-mentioned respective slot formula rotary steering track top position
Lower ring gear is distributed with the inner tank theca for turning guide rail lower position, groove type rotation is formed between upper ring gear and lower ring gear and is led
To track；Upper ring gear includes the circumferentially downward upper ratchet of continuous uniform and crown, and the upper ratchet positioned at front side is included in vertical
The left facade of shape and in left low right high domatic, the lower end of left facade and domatic left end adjacent thereto link together and shape
Into the crown of upper ratchet；Lower ring gear includes the circumferentially upward lower ratchet of continuous uniform and crown, the lower ratchet bag positioned at front side
Include in left low right high left tilted surface and the right tilted surface in right low left high, the right-hand member of left tilted surface and the left end of right tilted surface link together
And form the crown of lower ratchet；Lower ratchet is with upper ratchet in being dislocatedly distributed, and each the crown of lower ratchet is respectively positioned on corresponding domatic
Middle part, the crown of each upper ratchet is respectively positioned on the middle part of corresponding right tilted surface.
Upper groove can be provided between above-mentioned every two adjacent upper ratchets, the left and right sides of upper groove are vertical plane,
The left surface bottom of upper groove links together with corresponding domatic top, and the right flank bottom of upper groove and a corresponding left side are vertical
The top in face links together；Low groove is equipped between every two adjacent lower ratchets, the left and right sides of low groove are perpendicular
Face directly, the left surface top of low groove links together with the bottom of corresponding right tilted surface, the right flank top of low groove with it is right
The bottom for the left tilted surface answered links together, and the bottom of left tilted surface is higher than the bottom of right tilted surface.
The pressure cap in outer barrel can be installed with the outside of the upper end of above-mentioned inner cylinder, the lower end inside of outer barrel is provided with internal diameter
Less than the interior land of pressure cap external diameter.
Above-mentioned pressure cap can be connected through a screw thread with inner cylinder and be fixedly installed togather, correspondence threaded connection place position pressure cap with
Sealant layer is provided between inner cylinder, sealing ring is provided between pressure cap and outer barrel.
It is above-mentioned to may also include above the pressure cap and internal diameter is less than the top connection of pressure cap external diameter, the lower outside of top connection with
The upper inner of outer barrel is fixedly installed togather.
Above-mentioned guide shoe head may include right cylinder section and ball-crown body, and the bottom of right cylinder section and the top plan of ball-crown body are fixed on one
Rise, the diameter of right cylinder section is more than the maximum gauge of ball-crown body, and the top of right cylinder section and the bottom of inner cylinder are fixed together, ball-crown body
Outside is uniformly distributed with least three scraping wings along the circumference.
Four or six scraping wings can be uniformly distributed with along the circumference on the outside of above-mentioned guide shoe head.
Eight to 12 shear pins can be uniformly distributed with along the circumference on the outer tube side wall of above-mentioned correspondence guide pin lower position,
Outer groove is provided with the outside of the inner cylinder of correspondence shear pin position, the inner of each shear pin is caught in outer groove.
It is above-mentioned to be uniformly distributed with the guide finger that four Inner ends are caught in groove type rotary steering track along the circumference on outer barrel
Nail.
Reasonable and compact in structure of the present invention, it can be with inner cylinder rotating scraping wing, not only by being set up on the outside of guide shoe head
Some ad hoc completion construction not revolvable problems of middle sleeve string can be solved, while the design of scraping wing can also be in rotation
During many necking downs, irregular borehole are further repaired, greatly reduce the contact area of guide shoe head and the borehole wall, pass through
Property is greatly improved, and the well after reparation can better ensure that bunch tube passes through, so that it is guaranteed that the smooth decentralization of pipe string,
Avoid the occurrence of pipe string jam and influence the phenomenon of cementing operation, easy to use with simple to operate, time saving and energy saving, simple and effective
The characteristics of.
Brief description of the drawings
Accompanying drawing 1 is the main view broken section structural representation of preferred embodiment.
Accompanying drawing 2 is the dimensional structure diagram of guide shoe body in accompanying drawing 1.
Coding in accompanying drawing is respectively：1 is outer barrel, and 2 be shear pin, and 3 be guide pin, and 4 be inner cylinder, and 5 be type scraping knife
The wing, 6 be upper ratchet, and 7 be left facade, and 8 be domatic, and 9 be lower ratchet, and 10 be left tilted surface, and 11 be right tilted surface, and 12 be upper groove, 13
It is pressure cap for low groove, 14,15 be interior land, and 16 be sealing ring, and 17 be top connection, and 18 be right cylinder section, and 19 be ball-crown body, and 20 are
Outer groove.
Embodiment
The present invention is not limited by following embodiments, can technique according to the invention scheme and actual conditions it is specific to determine
Embodiment.
In the present invention, for the ease of description, the description of the relative position relation of each part is according to Figure of description 1
Butut mode be described, such as：The position relationship of forward and backward, upper and lower, left and right etc. is the Butut according to Figure of description
Direction is determined.
With reference to embodiment and accompanying drawing, the invention will be further described：
As shown in accompanying drawing 1,2, this can repair well rotary guide shoe assembly including guide shoe body, outer barrel 1, shear pin 2 and be oriented to
Pin 3, guide shoe body includes inner cylinder 4 and guide shoe head, and the bottom and the top of guide shoe head of inner cylinder 4 are fixed together；Inner cylinder 4 is set with
In the outer barrel 1 and both are mounted together by shear pin 2, the outer wall of inner cylinder 4 is provided with can be 3 by guide pin
The groove type rotary steering track of change rotation is moved, at least two Inner ends are installed with outer barrel 1 and are caught in groove type rotation
Guide pin 3 in guide rail；Guide shoe head, which is located on the outside of the lower section of outer barrel 1, guide shoe head, circumferentially at least three scrapings
Wing 5.In use, the present invention is connected in default pipe string, then by its G.I.H, when occur in well necking down,
Step, borehole uncleanness situation and cause the present invention can not by when, guide shoe head will be stuck and cause pipe string normal
Above carry or transfer, can now be cut shear pin 2 by upper lifting pipe string, and shear pin 2 is cut by ground suspending weight
The judgement of state（As suspending weight have dropped to a certain degree）, after it is determined that shear pin 2 is cut, the spinfunction of inner cylinder 4 will be touched
Hair, can now be moved up and down, and then pass through groove type rotary steering track ribbon by raising and decentralizing pipe ribbon action-oriented pin 3
Dynamic inner cylinder 4 rotates（In this process, outer barrel 1 is connected in pipe string, because frictional force of the pipe string in well is very big, can approximately be seen
Do pipe string circumferentially static）, and drive guide shoe head to rotate, in this process, scraping wing 5 will be repaired to well, thus may be used
By raising and decentralizing pipe string repeatedly to the reparation completed to well, so that pipe string can be smoothly descending.The present invention is rational in infrastructure
And it is compact, it can rotate scraping wing 5 by being set up on the outside of guide shoe head with inner cylinder 4, can not only solve some ad hoc completions
Construct the not revolvable problem of middle sleeve string, while the design of scraping wing 5 can also be in rotary course to many necking downs, do not advise
Then well is further repaired, and greatly reduces the contact area of guide shoe head and the borehole wall, is greatly improved, repaiied by property
Well after multiple can better ensure that bunch tube passes through, so that it is guaranteed that the smooth decentralization of pipe string, it is to avoid there is pipe string jam and
The phenomenon of cementing operation is influenceed, it is easy to use with simple to operate, it is time saving and energy saving, the characteristics of simple and effective.
Above-mentioned well rotary guide shoe assembly of repairing can be made further optimization and/or improvements according to actual needs：
As shown in accompanying drawing 1,2, upper ring gear is distributed with the outer wall of inner cylinder 4 of respective slot formula rotary steering track top position, it is right
Lower ring gear is distributed with the outer wall of inner cylinder 4 for answering groove type rotary steering track lower position, is formed between upper ring gear and lower ring gear
Groove type rotary steering track；Upper ring gear includes the circumferentially downward upper ratchet 6 of continuous uniform and crown, the upper spine positioned at front side
Tooth 6 includes in the left facade 7 of vertical shape and in left low right high by domatic 8, the lower end of left facade 7 and adjacent thereto domatic 8
Left end links together and forms the crown of ratchet 6；Lower ring gear includes the circumferentially upward lower ratchet of continuous uniform and crown
9, the lower ratchet 9 positioned at front side is included in left low right high left tilted surface 10 and the right tilted surface 11 in right low left high, left tilted surface 10
The left end of right-hand member and right tilted surface 11 links together and forms the crown of lower ratchet 9；Lower ratchet 9 is in be dislocatedly distributed with upper ratchet 6,
The crown of each lower ratchet 9 is respectively positioned on corresponding domatic 8 middle part, and the crown of each upper ratchet 6 is respectively positioned on corresponding right tilted surface 11
Middle part.Thus it can ensure that the change in displacement rotation by guide pin 3 in inner cylinder 4.According to demand, groove type rotary steering rail
Road can also use other existing known technologies.
As shown in accompanying drawing 1,2, upper groove 12, the left and right sides of upper groove 12 are equipped between every two adjacent upper ratchets 6
Face is vertical plane, and the left surface bottom of upper groove 12 links together with corresponding domatic 8 top, the right side of upper groove 12
Face bottom links together with the top of corresponding left facade 7；Low groove 13 is equipped between every two adjacent lower ratchets 9, under
The left and right sides of groove 13 are vertical plane, and the left surface top of low groove 13 is connected to the bottom of corresponding right tilted surface 11
Together, the right flank top of low groove 13 links together with the bottom of corresponding left tilted surface 10, and the bottom of left tilted surface 10 is higher than
The bottom of right tilted surface 11.It can so make the cooperation between guide pin 3 and groove type rotary steering track more preferable, effectively prevent from leading
Inverted to pin 3.According to demand, the left and right sides of upper groove 12 and low groove 13 can be tangent with guide pin 3.
As shown in accompanying drawing 1,2, it is installed with the outside of the upper end of inner cylinder 4 under the pressure cap 14 in outer barrel 1, outer barrel 1
End inner side is less than the interior land 15 of the external diameter of pressure cap 14 provided with internal diameter.It can so make pressure cap 14 that there is the function of piston, pass through pressure cap
14 can play a part of centering to the motion of the relative outer barrel 1 of inner cylinder 4, prevent the sideslip of inner cylinder 4, reduce the abrasion to inner cylinder 4, extension
The service life of inner cylinder 4；The setting of interior land 15 can play anticreep effect to pressure cap 14.According to demand, pressure cap 14 and outer barrel 1 it
Between can in gap coordinate, so both relative motions can be made more smooth；Upper annular groove, pressure cap can be provided with the outside of the upper end of inner cylinder 4
14 are fixedly mounted on annular groove.
As shown in accompanying drawing 1,2, pressure cap 14 is connected through a screw thread with inner cylinder 4 and is fixedly installed togather, correspondence threaded connection place
Sealant layer is provided between the pressure cap 14 and inner cylinder 4 of position, sealing ring 16 is provided between pressure cap 14 and outer barrel 1.It can so be made
It is easier for installation laborsaving, and there is good sealing between pressure cap 14 and inner cylinder 4 and outer barrel 1.According to demand, inner cylinder can be made
4 direction of rotation is identical with the fastening direction of screw thread, can so prevent inner cylinder 4 from being released in rotary course with pressure cap 14, it is ensured that
The stability of its work.
As shown in accompanying drawing 1,2, in addition to it is less than positioned at the top of pressure cap 14 and internal diameter the top connection 17 of the external diameter of pressure cap 14, above connects
The upper inner of first 17 lower outside and outer barrel 1 is fixedly installed togather.It can so make it easy to be connected in pipe string, may be used also
Protection and up spacing effect are played to pressure cap 14.According to demand, top connection 17 can use existing known technology, such as top connection
17 upper inner is provided with set pipe thread and lower outside is provided with external screw thread etc..
As shown in accompanying drawing 1,2, guide shoe head includes right cylinder section 18 and ball-crown body 19, bottom and the ball-crown body 19 of right cylinder section 18
Top plan is fixed together, and the diameter of right cylinder section 18 is more than the maximum gauge of ball-crown body 19, the top of right cylinder section 18 and inner cylinder 4
Bottom be fixed together, the outside of ball-crown body 19 is uniformly distributed with least three scraping wings 5 along the circumference.It can so make it have good
Stability, right cylinder section 18 can play the guiding role to the motion of guide shoe head.According to demand, inner cylinder 4, right cylinder section 18, ball-crown body 19
It can be fixed as one or be wholely set with scraping wing 5, can so make it have good bonding strength；The curved surface of ball-crown body 19
Irregular sphere or eccentric spherical are may be designed as, can be so easy to by narrow gap.
As shown in accompanying drawing 1,2, four or six scraping wings 5 are uniformly distributed with along the circumference on the outside of guide shoe head.Can so have it
There is good shaving effect, and the stability of operation can be improved.According to demand, the surface of scraping wing 5 can seting welding carbide, this
Sample can extend its service life.
As shown in accompanying drawing 1,2, eight to 12 are uniformly distributed with along the circumference on the side wall of outer barrel 1 of the correspondence lower position of guide pin 3
Individual shear pin 2, the outside of inner cylinder 4 of correspondence shear pin 2 position is provided with outer groove 20, and the inner of each shear pin 2 is blocked
Enter in outer groove 20.Being more uniformly stressed for shear pin 2 can so be made.
As shown in accompanying drawing 1,2, it is uniformly distributed with four Inner ends along the circumference on outer barrel 1 and is caught in groove type rotary steering track
Guide pin 3.It can so make its transmission that there is good stability.According to demand, guide pin 3 can be not less than for diameter
12mm and the high intensity pin made by 40Cr, can also use other existing known technologies.
Above technical characteristic constitutes highly preferred embodiment of the present invention, and it has stronger adaptability and optimal implementation effect
Really, non-essential technical characteristic can be increased and decreased according to actual needs, to meet the demand of different situations.
Claims (10)
1. one kind can repair well rotary guide shoe assembly, it is characterised in that including guide shoe body, outer barrel, shear pin and guide finger
Nail, guide shoe body includes inner cylinder and guide shoe head, and the bottom and the top of guide shoe head of inner cylinder are fixed together；Inner cylinder is set in outer barrel
It is interior and both be mounted together by shear pin, the outer wall of inner cylinder by guide pin change in displacement provided with can be rotated
Groove type rotary steering track, at least two Inner ends are installed with outer barrel and are caught in groove type rotary steering track
Guide pin；Guide shoe head is located at below outer barrel, circumferentially has at least three scraping wings on the outside of guide shoe head.
2. according to claim 1 repair well rotary guide shoe assembly, it is characterised in that respective slot formula rotary steering
Upper ring gear, the inner tank theca of respective slot formula rotary steering track lower position are distributed with the inner tank theca of track top position
On lower ring gear is distributed with, between upper ring gear and lower ring gear formed groove type rotary steering track；Upper ring gear includes circumferentially continuous
The downward upper ratchet of uniform and crown, the upper ratchet positioned at front side is included in the left facade of vertical shape and in the low right high slope in a left side
Face, the lower end of left facade and domatic left end adjacent thereto link together and form the crown of ratchet；Lower ring gear includes
The upward lower ratchet of circumferentially continuous uniform and crown, the lower ratchet positioned at front side is included in left low right high left tilted surface and in a left side
High right low right tilted surface, the right-hand member of left tilted surface and the left end of right tilted surface link together and form the crown of lower ratchet；Lower ratchet
With upper ratchet in being dislocatedly distributed, the crown of each lower ratchet is respectively positioned on corresponding domatic middle part, the equal position of crown of each upper ratchet
In the middle part of corresponding right tilted surface.
3. according to claim 2 repair well rotary guide shoe assembly, it is characterised in that every two adjacent upper ratchets it
Between be equipped with upper groove, the left and right sides of upper groove are vertical plane, the left surface bottom of upper groove with it is corresponding domatic
Top links together, and the right flank bottom of upper groove links together with the top of corresponding left facade；Under every two is adjacent
Be equipped with low groove between ratchet, the left and right sides of low groove are vertical plane, the left surface top of low groove with it is corresponding
The bottom of right tilted surface links together, and the right flank top of low groove links together with the bottom of corresponding left tilted surface, left oblique
The bottom in face is higher than the bottom of right tilted surface.
4. repair well rotary guide shoe assembly according to claim 1 or 2 or 3, it is characterised in that outside the upper end of inner cylinder
Side is installed with the pressure cap in outer barrel, and the lower end inside of outer barrel is less than the interior land of pressure cap external diameter provided with internal diameter.
5. according to claim 4 repair well rotary guide shoe assembly, it is characterised in that pressure cap passes through screw thread with inner cylinder
It is connected and is installed together, sealant layer, pressure cap and outer barrel is provided between the pressure cap and inner cylinder of correspondence threaded connection place position
Between be provided with sealing ring.
6. according to claim 4 repair well rotary guide shoe assembly, it is characterised in that also including above pressure cap
And internal diameter is less than the top connection of pressure cap external diameter, the lower outside of top connection and the upper inner of outer barrel are fixedly installed togather.
7. repair well rotary guide shoe assembly according to claim 1 or 2 or 3 or 5 or 6, it is characterised in that guide shoe head
Including right cylinder section and ball-crown body, the bottom of right cylinder section and the top plan of ball-crown body are fixed together, and the diameter of right cylinder section is more than
The maximum gauge of ball-crown body, the top and the bottom of inner cylinder of right cylinder section are fixed together, be uniformly distributed with along the circumference on the outside of ball-crown body to
Few three scraping wings.
8. according to claim 4 repair well rotary guide shoe assembly, it is characterised in that circumferentially equal on the outside of guide shoe head
It is furnished with four or six scraping wings.
9. repair well rotary guide shoe assembly according to claim 1 or 2 or 3 or 5 or 6 or 8, it is characterised in that correspondence
It is uniformly distributed with eight to 12 shear pins on the outer tube side wall of guide pin lower position along the circumference, correspondence shear pin position
Outer groove is provided with the outside of inner cylinder, the inner of each shear pin is caught in outer groove.
10. according to claim 7 repair well rotary guide shoe assembly, it is characterised in that is uniformly distributed along the circumference on outer barrel
There is the guide pin that four Inner ends are caught in groove type rotary steering track.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710567154.2A CN107227938B (en) | 2017-07-12 | 2017-07-12 | Repairable rotary guide shoe assembly for well bore |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710567154.2A CN107227938B (en) | 2017-07-12 | 2017-07-12 | Repairable rotary guide shoe assembly for well bore |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107227938A true CN107227938A (en) | 2017-10-03 |
| CN107227938B CN107227938B (en) | 2023-07-07 |
Family
ID=59956426
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710567154.2A Active CN107227938B (en) | 2017-07-12 | 2017-07-12 | Repairable rotary guide shoe assembly for well bore |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107227938B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107587850A (en) * | 2017-10-16 | 2018-01-16 | 天津盛鑫华瑞石油技术有限公司 | Completion guide shoe |
| CN107859485A (en) * | 2017-11-21 | 2018-03-30 | 中国石油集团西部钻探工程有限公司 | Rotate freely float shoe assembly |
| CN110644941A (en) * | 2019-10-12 | 2020-01-03 | 中国石油天然气集团有限公司 | Coiled tubing rotary introduction fisher and coiled tubing rotary introduction fishing method |
| CN112576207A (en) * | 2019-09-29 | 2021-03-30 | 中国石油天然气集团有限公司 | Mechanical active rotary guide shoe |
| CN114800390A (en) * | 2022-03-25 | 2022-07-29 | 中国电子科技集团公司第二十九研究所 | Maintenance tool for SMA-K radio frequency coaxial connector insertion surface port |
Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1597441A (en) * | 1977-01-10 | 1981-09-09 | Baker Int Corp | Mechanically-hydraulically set liner hangers |
| US20020189863A1 (en) * | 1999-12-22 | 2002-12-19 | Mike Wardley | Drilling bit for drilling while running casing |
| US20040154797A1 (en) * | 2003-02-04 | 2004-08-12 | Carmody Michael A. | Shoe for expandable liner system |
| CN201671557U (en) * | 2009-12-16 | 2010-12-15 | 中国石油集团渤海钻探工程有限公司 | Bended head hydraulic rotating joint |
| US20110139510A1 (en) * | 2009-12-16 | 2011-06-16 | Halliburton Energy Services, Inc. | Apparatus and Method for Reaming a Wellbore During the Installation of a Tubular String |
| CN203334978U (en) * | 2013-07-03 | 2013-12-11 | 天津克睿特维科技发展有限公司 | Spring type automatic reversing guiding shoe |
| CN103912236A (en) * | 2014-04-04 | 2014-07-09 | 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 | Coiled tubing tail pipe blockage device |
| CN204082034U (en) * | 2014-08-18 | 2015-01-07 | 中国石油集团长城钻探工程有限公司 | A kind of mechanical type continuous rotation completion guide shoe |
| CN104564625A (en) * | 2014-12-31 | 2015-04-29 | 天津大港油田石油工程研究院钻采技术开发公司 | Rod-type oil-well pump |
| US20150308195A1 (en) * | 2014-04-29 | 2015-10-29 | Wwt North America Holdings, Inc. | Reamer shoe attachment for flexible casing shoe |
| CN105863544A (en) * | 2016-05-09 | 2016-08-17 | 西南石油大学 | Slip type hydraulic control inner fishing tool |
| CN206016744U (en) * | 2016-06-13 | 2017-03-15 | 中国石油天然气股份有限公司 | Returnable overshot |
| CN206035405U (en) * | 2016-06-30 | 2017-03-22 | 中国石油集团西部钻探工程有限公司 | Rotatable guide shoe |
| CN206174886U (en) * | 2016-10-31 | 2017-05-17 | 中国海洋石油总公司 | But self -conductance formula rotate eccentric float shoe |
| CN207420486U (en) * | 2017-07-12 | 2018-05-29 | 中国石油集团西部钻探工程有限公司 | Wellbore rotary guide shoe assembly can be repaired |
-
2017
- 2017-07-12 CN CN201710567154.2A patent/CN107227938B/en active Active
Patent Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1597441A (en) * | 1977-01-10 | 1981-09-09 | Baker Int Corp | Mechanically-hydraulically set liner hangers |
| US20020189863A1 (en) * | 1999-12-22 | 2002-12-19 | Mike Wardley | Drilling bit for drilling while running casing |
| US20040154797A1 (en) * | 2003-02-04 | 2004-08-12 | Carmody Michael A. | Shoe for expandable liner system |
| CN201671557U (en) * | 2009-12-16 | 2010-12-15 | 中国石油集团渤海钻探工程有限公司 | Bended head hydraulic rotating joint |
| US20110139510A1 (en) * | 2009-12-16 | 2011-06-16 | Halliburton Energy Services, Inc. | Apparatus and Method for Reaming a Wellbore During the Installation of a Tubular String |
| CN203334978U (en) * | 2013-07-03 | 2013-12-11 | 天津克睿特维科技发展有限公司 | Spring type automatic reversing guiding shoe |
| CN103912236A (en) * | 2014-04-04 | 2014-07-09 | 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 | Coiled tubing tail pipe blockage device |
| US20150308195A1 (en) * | 2014-04-29 | 2015-10-29 | Wwt North America Holdings, Inc. | Reamer shoe attachment for flexible casing shoe |
| CN204082034U (en) * | 2014-08-18 | 2015-01-07 | 中国石油集团长城钻探工程有限公司 | A kind of mechanical type continuous rotation completion guide shoe |
| CN104564625A (en) * | 2014-12-31 | 2015-04-29 | 天津大港油田石油工程研究院钻采技术开发公司 | Rod-type oil-well pump |
| CN105863544A (en) * | 2016-05-09 | 2016-08-17 | 西南石油大学 | Slip type hydraulic control inner fishing tool |
| CN206016744U (en) * | 2016-06-13 | 2017-03-15 | 中国石油天然气股份有限公司 | Returnable overshot |
| CN206035405U (en) * | 2016-06-30 | 2017-03-22 | 中国石油集团西部钻探工程有限公司 | Rotatable guide shoe |
| CN206174886U (en) * | 2016-10-31 | 2017-05-17 | 中国海洋石油总公司 | But self -conductance formula rotate eccentric float shoe |
| CN207420486U (en) * | 2017-07-12 | 2018-05-29 | 中国石油集团西部钻探工程有限公司 | Wellbore rotary guide shoe assembly can be repaired |
Non-Patent Citations (2)
| Title |
|---|
| 刘永顺;: "水平井裸眼砾石充填管柱改进与应用", no. 02, pages 60 - 63 * |
| 李元斌;段永贤;单锋;黄世财;蔡伟;: "液压刮壁器研制与应用", 石油矿场机械, no. 11 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107587850A (en) * | 2017-10-16 | 2018-01-16 | 天津盛鑫华瑞石油技术有限公司 | Completion guide shoe |
| CN107859485A (en) * | 2017-11-21 | 2018-03-30 | 中国石油集团西部钻探工程有限公司 | Rotate freely float shoe assembly |
| CN112576207A (en) * | 2019-09-29 | 2021-03-30 | 中国石油天然气集团有限公司 | Mechanical active rotary guide shoe |
| CN110644941A (en) * | 2019-10-12 | 2020-01-03 | 中国石油天然气集团有限公司 | Coiled tubing rotary introduction fisher and coiled tubing rotary introduction fishing method |
| CN114800390A (en) * | 2022-03-25 | 2022-07-29 | 中国电子科技集团公司第二十九研究所 | Maintenance tool for SMA-K radio frequency coaxial connector insertion surface port |
| CN114800390B (en) * | 2022-03-25 | 2023-08-18 | 中国电子科技集团公司第二十九研究所 | Maintenance tool for plugging surface port of SMA-K radio frequency coaxial connector |
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| CN107227938B (en) | 2023-07-07 |
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