CN203925376U - The integrated extension hanger tie-back sleeve of a kind of cone post shaping tool - Google Patents

The integrated extension hanger tie-back sleeve of a kind of cone post shaping tool Download PDF

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Publication number
CN203925376U
CN203925376U CN201420341260.0U CN201420341260U CN203925376U CN 203925376 U CN203925376 U CN 203925376U CN 201420341260 U CN201420341260 U CN 201420341260U CN 203925376 U CN203925376 U CN 203925376U
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China
Prior art keywords
sharpening
tie
back sleeve
inferior
horn mouth
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Active
Application number
CN201420341260.0U
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Chinese (zh)
Inventor
韩振强
曹博
蒋本强
吴玉胜
张京华
王志刚
周冀
刘新哲
王绮
郭贤伟
苟旭东
古青
马淼
宋剑鸣
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China National Petroleum Corp
CNPC Bohai Drilling Engineering Co Ltd
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CNPC Bohai Drilling Engineering Co Ltd
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Priority to CN201420341260.0U priority Critical patent/CN203925376U/en
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Abstract

The utility model discloses the integrated extension hanger tie-back sleeve of a kind of cone post shaping tool, the upper end inwall processing of body cylindraceous is for the screw thread of jointed rod, the cylinder bore of body forms the circulation port of circulating mud, on body hypomere outer wall, be provided with for repairing the main sharpening of tie-back sleeve internal diameter, on body epimere outer wall, be provided with for repairing the inferior sharpening of tie-back sleeve internal diameter, inferior sharpening matches and contacts with tie-back sleeve internal diameter with main sharpening external diameter, horn mouth is set in the position corresponding with tie-back sleeve horn mouth, the top of inferior sharpening and repairs sharpening, it is taper that horn mouth is repaired sharpening, cone angle is identical with tie-back sleeve bell mouth angle, external diameter matches and contacts with the bell-mouthed internal diameter of tie-back sleeve, main sharpening, inferior sharpening and horn mouth are repaired on sharpening and are formed with respectively many intake chutes.The integrated extension hanger tie-back sleeve of cone post of the present utility model shaping tool, compact overall structure, coordinate with extension hanger tie-back sleeve ingenious, the repair that can bore whole tie-back sleeve one time, and construction sequence is simple, easy operating.

Description

The integrated extension hanger tie-back sleeve of a kind of cone post shaping tool
Technical field
The utility model relates to extension hanger tie-back sleeve shaping tool, the integrated extension hanger tie-back sleeve of especially a kind of cone post shaping tool.
Background technology
At present, use after hanger well cementation, a lot of wells need to carry out tie back liner operation.General job is sequentially for first being used drill bit that upper cement plug is bored and removed, and because tie-back sleeve internal diameter is larger, conventional bit cannot guarantee not residual cement sheath in tie-back sleeve after boring and removing.Then, carry out next and open inferior drilling construction, the various downhole tools such as drilling tool, back and forth from tie-back sleeve position process, can cause certain damage to tie-back sleeve unavoidably.Therefore, before tieback operation, for guaranteeing that tieback plug accurately inserts tie-back sleeve, and realize good sealing effectiveness, need repair and shaping extension hanger tie-back sleeve.
The conventional tie-back sleeve reparation adopting and the general employing of shaping technique are first lowered to reparation and the prune job that the plane milling post that is applicable to tie-back sleeve internal diameter carries out tie-back sleeve internal diameter, and general milling is hampered bottom tie-back sleeve.Then pull out of hole, then be lowered to cone milling shoe and carry out the bell-mouthed reparation of tie-back sleeve, whole repair process needs make a trip for twice just can complete.This construction technology can be held bad or milling time because of the pressure of the drill and hold inaccurately, causes on the contrary the damage of tie-back sleeve, and has wasted work limitation, and efficiency is lower.
How to carry out fast and effectively tie-back sleeve internal repair and bell-mouthed shaping, be to improve tie back liner operating efficiency, is to guarantee construction quality, promotes the key point of drilling well timeliness.
Utility model content
The utility model provides a kind of integrated extension hanger tie-back sleeve of cone post shaping tool that can bore tie-back sleeve internal cleaning, repair and bell-mouthed shaping work for a time.
In order to solve the problems of the technologies described above, the technical solution adopted in the utility model is: the integrated extension hanger tie-back sleeve of a kind of cone post shaping tool, the upper end inwall processing of body cylindraceous is for the screw thread of jointed rod, the cylinder bore of body forms the circulation port of circulating mud, on body hypomere outer wall, be provided with for repairing the main sharpening of tie-back sleeve internal diameter, on body epimere outer wall, be provided with for repairing the inferior sharpening of tie-back sleeve internal diameter, inferior sharpening matches and contacts with tie-back sleeve internal diameter with main sharpening external diameter, horn mouth is set in the position corresponding with tie-back sleeve horn mouth, the top of inferior sharpening and repairs sharpening, it is taper that horn mouth is repaired sharpening, cone angle is identical with tie-back sleeve bell mouth angle, external diameter matches and contacts with the bell-mouthed internal diameter of tie-back sleeve, main sharpening, inferior sharpening and horn mouth are repaired on sharpening and are formed with respectively many intake chutes.
Described main sharpening bottom adopts 60 ° of cone angle transition, can play the guiding role.
The sharpening of described sharpening and main sharpening is designed to dextrorotation cutting.
The beneficial effects of the utility model are: the integrated extension hanger tie-back sleeve of cone post shaping tool, compact overall structure, coordinate with extension hanger tie-back sleeve ingenious, the repair that can bore whole tie-back sleeve one time, and construction sequence is simple, easy operating.
Accompanying drawing explanation
Fig. 1 is the integrated extension hanger tie-back sleeve of cone post of the present utility model shaping tool structure chart;
Fig. 2 is the A-A sectional drawing of Fig. 1;
Fig. 3 is the integrated extension hanger tie-back sleeve of cone post of the present utility model shaping tool bottom view.
In figure, 1, body 2, horn mouth repair sharpening 3, intake chute 4, inferior sharpening 5, main sharpening 6, circulation port.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail:
As Figure 1-3, the integrated extension hanger tie-back sleeve of cone post of the present utility model shaping tool, the upper end inwall processing of body 1 cylindraceous is for the screw thread of jointed rod, the cylinder bore of body 1 forms the circulation port 6 of circulating mud, on body 1 hypomere outer wall, be provided with for repairing the main sharpening 5 of tie-back sleeve internal diameter, on body 1 epimere outer wall, be provided with for repairing the inferior sharpening 4 of tie-back sleeve internal diameter, inferior sharpening 4 matches and contacts with tie-back sleeve internal diameter with main sharpening 5 external diameters, horn mouth is set in the position corresponding with tie-back sleeve horn mouth, the top of inferior sharpening 4 and repairs sharpening 2, horn mouth is repaired sharpening 2 for taper, cone angle is identical with tie-back sleeve bell mouth angle, external diameter matches and contacts with the bell-mouthed internal diameter of tie-back sleeve, main sharpening 5, inferior sharpening 4 and horn mouth are repaired on sharpening 2 and are formed with respectively many intake chutes 3.
Described main sharpening 5 bottoms adopt 60 ° of cone angle transition, can play the guiding role.
The sharpening of described sharpening 4, main sharpening 5 and horn mouth reparation sharpening 2 is designed to dextrorotation cutting.
The utility model applies to the tie-back sleeve plastic operation before tieback operation.Can disposablely complete the inner cement trepan of tie-back sleeve except, internal diameter reparation and work that horn mouth is carried out, have and simplify working process, improve drilling well timeliness, reduce the effect of intensity of workers.Realize the integrated design of milling cone and milling post, the repair that can bore tie-back sleeve one time.On body 1, processing and the drill rod thread that drilling tool meets, for connecting, bear the moment of torsion while creeping into.Horn mouth is repaired sharpening 2 for repairing the tie-back sleeve conical surface.Inferior sharpening 4 is with main sharpening 5 for repairing tie-back sleeve internal diameter, and circulation port 6 for circulating mud, is cleared up smear metal effect with intake chute 3.That is, circulation port 6 is circulation internal channel, and mud ejects by circulation port 6, takes away smear metal, by intake chute 3, is circulated to well head.
When the length dimension of main sharpening 5 is designed to main sharpening 5 bottoms apart from tie-back sleeve root 10mm, horn mouth is repaired the length that sharpening 2 contacts with tie-back sleeve horn mouth, and makes horn mouth reparation sharpening 2 complete bell-mouthed repair.This can guarantee that horn mouth repairs sharpening 2 and first contacted repair with tie-back sleeve horn mouth, rather than main sharpening cuts tie-back sleeve root, and guarantees the seal length of tieback plug, makes the connecting thread of tie-back sleeve root can be not impaired by milling.
Inferior sharpening 4 coordinates rationally with tie-back sleeve internal diameter with main sharpening 5 external diameter designs, can effectively guarantee the inner tie-back sleeve internal flaw of removing of tie-back sleeve.Main sharpening 5 bottoms adopt 60 ° of cone angle transition, can play the guiding role, its sharpening is designed to dextrorotation cutting, when drilling tool turns clockwise, cutting edge low spot is introduced into milling, play the guiding role, and then high point is realized milling to tie-back sleeve internal diameter size, it is inner that this design can prevent that sharpening from gnawing switchback extend neck, causes tie-back sleeve seal failure.
Horn mouth reparation sharpening 2 cone angle design are identical with tie-back sleeve angle, can realize bell-mouthed effective reparation, guarantee horn mouth sealing surface realization sealing.Its outside dimension be slightly less than casing inner diameter, can play the righting effect of pipe string, guarantee to bore the integrated extension hanger tie-back sleeve of post shaping tool and enter smoothly tie-back sleeve inside.
In sum, content of the present utility model is not limited in the above-described embodiment, knowledgeable people in same area can propose easily other embodiment within technological guidance's thought of the present utility model, but within this embodiment is included in scope of the present utility model.

Claims (3)

1. the integrated extension hanger tie-back sleeve of a cone post shaping tool, it is characterized in that, the upper end inwall processing of body cylindraceous (1) is for the screw thread of jointed rod, the cylinder bore of body (1) forms the circulation port (6) of circulating mud, on body (1) hypomere outer wall, be provided with for repairing the main sharpening (5) of tie-back sleeve internal diameter, on body (1) epimere outer wall, be provided with for repairing the inferior sharpening (4) of tie-back sleeve internal diameter, inferior sharpening (4) matches and contacts with tie-back sleeve internal diameter with main sharpening (5) external diameter, horn mouth is set in the position corresponding with tie-back sleeve horn mouth, the top of inferior sharpening (4) and repairs sharpening (2), it is taper that horn mouth is repaired sharpening (2), cone angle is identical with tie-back sleeve bell mouth angle, external diameter matches and contacts with the bell-mouthed internal diameter of tie-back sleeve, main sharpening (5), inferior sharpening (4) and horn mouth are repaired on sharpening (2) and are formed with respectively many intake chutes (3).
2. the integrated extension hanger tie-back sleeve of cone post according to claim 1 shaping tool, is characterized in that, described main sharpening (5) bottom adopts 60 ° of cone angle transition, can play the guiding role.
3. the integrated extension hanger tie-back sleeve of cone post according to claim 1 and 2 shaping tool, is characterized in that, the sharpening of described sharpening (4) and main sharpening (5) is designed to dextrorotation cutting.
CN201420341260.0U 2014-06-24 2014-06-24 The integrated extension hanger tie-back sleeve of a kind of cone post shaping tool Active CN203925376U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420341260.0U CN203925376U (en) 2014-06-24 2014-06-24 The integrated extension hanger tie-back sleeve of a kind of cone post shaping tool

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420341260.0U CN203925376U (en) 2014-06-24 2014-06-24 The integrated extension hanger tie-back sleeve of a kind of cone post shaping tool

Publications (1)

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CN203925376U true CN203925376U (en) 2014-11-05

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109386246A (en) * 2017-08-08 2019-02-26 中国石油化工股份有限公司 It is a kind of to sweep plug, the drilling tool of milling and method for tie-back sleeve
CN109915075A (en) * 2019-04-19 2019-06-21 新疆华油油气工程有限公司 The downhole tool of logical function is scraped with milling

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109386246A (en) * 2017-08-08 2019-02-26 中国石油化工股份有限公司 It is a kind of to sweep plug, the drilling tool of milling and method for tie-back sleeve
CN109386246B (en) * 2017-08-08 2021-01-05 中国石油化工股份有限公司 Drilling tool and method for plug sweeping, grinding and milling of tieback cylinder
CN109915075A (en) * 2019-04-19 2019-06-21 新疆华油油气工程有限公司 The downhole tool of logical function is scraped with milling
CN109915075B (en) * 2019-04-19 2021-04-13 新疆华油油气工程有限公司 Downhole tool with milling and scraping functions

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Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20210111

Address after: 100007 No. 9 North Main Street, Dongcheng District, Beijing, Dongzhimen

Patentee after: CHINA NATIONAL PETROLEUM Corp.

Patentee after: CNPC Bohai Drilling Engineering Co.,Ltd.

Address before: 300457 Tianjin Binhai New Area Development Zone Huanghai Road 106, Bohai Drilling Engineering Co., Ltd. science and Technology Development Office

Patentee before: CNPC Bohai Drilling Engineering Co.,Ltd.