CN209083256U - Mechanical setting type sand-control tail pipe top packer - Google Patents
Mechanical setting type sand-control tail pipe top packer Download PDFInfo
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- CN209083256U CN209083256U CN201821525711.0U CN201821525711U CN209083256U CN 209083256 U CN209083256 U CN 209083256U CN 201821525711 U CN201821525711 U CN 201821525711U CN 209083256 U CN209083256 U CN 209083256U
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Abstract
The utility model relates to top packer engineering device technique fields, it is a kind of mechanical setting type sand-control tail pipe top packer comprising ontology, the upper component of expansion, is sat and hangs tapered sleeve, annular slips, pawl self-locking ring, expands lower component, centering ring and casing coupling composite material sealing cylinder；Composite material sealing cylinder is set on the middle part outer wall of ontology.The utility model reasonable and compact in structure, scientific structure is practical, it is reliable and stable, in the utility model, composite material sealing cylinder and the upper component of expansion or/and expansion lower component are two completely self-contained mechanisms, the sealing performance of component or/and expansion lower component can't depend on rubber seal to realize in expansion, it is accomplished that a permanent sealing, its metal sealing is more suitable bad working environments, therefore, sand control, the vapour proof effect of top packer for tail pipe can be effectively increased by being consolidated in completion practice using the utility model for oil gas field tail pipe.
Description
Technical field
The utility model relates to top packer engineering device technique fields, are a kind of mechanical setting type sand-control tail pipe top packings
Device.
Background technique
Because oil field development needs, more and more top packers are applied to drilling liner cementing.Tail currently used in the market
Pipe top packer generally uses special rubber seal in seal form, when tool is in the ring of underground Special complex for a long time
When border, the rubber seal of top packer for tail pipe can slowly aging, packing performance is difficult to effectively keep, for later period oil well
Sand control, vapour proof have certain adverse effect.Also have and be sealed using metal seal and rubber seal, but its metal
Sealing element realizes Expansion sealing under the action of rubber seal, and after rubber seal aging loses sealing performance, metal is close
Sealing will do it retraction and also lose sealing performance.
Summary of the invention
The utility model provides a kind of mechanical setting type sand-control tail pipe top packer, overcome the above-mentioned prior art it
Deficiency, can effectively solve metal seal after current top packer for tail pipe rubber seal aging also can seal failure ask
Topic.
The technical solution of the utility model is realized by following measures: a kind of machinery setting type sand-control tail pipe top
Packer, including ontology, composite material sealing cylinder, component in expansion, sit and hang under tapered sleeve, annular slips, pawl self-locking ring, expansion
Component, centering ring and casing coupling；It is set with composite material sealing cylinder on the middle part outer wall of ontology, in composite material sealing cylinder
Top exterior walls on be set with the upper press ring that can be compressed at the top of composite material sealing cylinder, in composite material sealing cylinder and upper press ring
The upper component of expansion is set on the body outer wall of top, the upper surface of component is internal diameter diminishing cone from top to bottom in expansion
Anchor ring is set with seat on expanding the body outer wall above upper component and hangs tapered sleeve, sits the lower end surface for hanging tapered sleeve and expands upper component
Upper surface match, sit in the upper inside wall for hanging tapered sleeve and be provided with tapered sleeve inner ring, sit hang tapered sleeve external wall of upper portion be it is outer without leave on
The conical ring face being gradually expanded under and, annular slips include the slips piece of slips ring and at least three pieces, and all slips pieces are circumferentially
It is radially fixed on the lower end surface of slips ring, the pawl of tooth tip upward, slips are provided on the lower part outer wall of all slips pieces
Ring set is fixedly installed with shear pin mounted in sitting on the body outer wall hung above tapered sleeve between slips ring and ontology, all
The lower part of slips piece is located on the conical ring face sat and hang tapered sleeve external wall of upper portion, and the upper inside wall of slips ring is provided with slips inner ring, right
It answers and is set with pawl self-locking ring on the body outer wall of slips inner ring lower part, tooth tip is provided on the outer wall of pawl self-locking ring upward
Pawl, be provided with and tooth tip pawl directed downwardly, pawl self-locking ring outer wall on the inner wall of the slips inner ring of corresponding pawl self-locking ring
On pawl and slips inner ring on pawl be intermeshed, from tapered sleeve inner ring bottom end face to the ontology of pawl self-locking ring upper surface
Be provided with tooth tip pawl directed downwardly on outer wall, the outer diameter of the pawl on body outer wall is greater than the internal diameter sat and hang tapered sleeve, pawl from
The pawl of tooth tip upward is provided on the inner wall of lock ring, the pawl on body outer wall and the pawl on pawl self-locking ring inner wall are mutual
Engagement；The lower pressure ring that can compress composite material sealing cylinder bottom is set in the bottom outer wall of composite material sealing cylinder,
It is set with expansion lower component on body outer wall below composite material sealing cylinder and lower pressure ring, the ontology below expansion lower component
Land in ontology is provided on outer wall, centering ring is sleeved in ontology in land, upper surface inside and the ontology inner ring of centering ring
The upper surface of platform offsets, and expansion lower component is sitting on centering ring upper surface, expand lower component lower end surface be it is interior without leave up and down and
The conical ring face being gradually expanded, the upper surface of centering ring and the lower end surface of expansion lower component match, edge on the lower part outer wall of centering ring
The radially uniform wiper block for being fixed at least three pieces of circumference, is fixedly installed with casing coupling on the ontology below centering ring.
Here is the further optimization and/or improvements to above-mentioned utility model technical solution:
The upper component of expansion is provided in above-mentioned expansion on the conical ring face of component upper end and limits interior land, corresponding sit is hung under tapered sleeve
It is also equipped with tapered sleeve on the conical ring face at end and limits interior land.
It is provided with expansion lower component on the conical ring face of above-mentioned expansion lower component lower end and limits interior land, corresponds to the upper of centering ring
Land in centralizing ring spacing is also equipped on the conical ring face at end.
The lower end surface of component is the conical ring face that internal diameter is gradually expanded from top to bottom in above-mentioned expansion, expands the upper end of lower component
Face is internal diameter diminishing conical ring face from top to bottom.
Component includes the first expansion loop and the second expansion loop in above-mentioned expansion, and the second expansion loop is arranged in the first expansion loop
Top, the upper surface of the first expansion loop are internal diameter diminishing conical ring face from top to bottom, the conical ring in the first expansion loop upper end
It is provided with the upper component of expansion on face and limits interior land, the lower end surface of the second expansion loop is the conical ring that internal diameter is gradually expanded from top to bottom
Face, the first expansion loop and the second expansion loop are the annulus for having axial crack, the lower end of the first expansion loop and the second expansion loop
Upper end is fixedly installed togather, and the crack of the crack of the first expansion loop and the second expansion loop is distributed in axile displacement.
Mounting means between the lower end of above-mentioned first expansion loop and the upper end of the second expansion loop are as follows: keyway be coupled or
It is threadedly coupled or bulge loop and recessed circle is coupled.
Above-mentioned expansion lower component includes third expansion loop and the 4th expansion loop, and the 4th expansion loop is arranged in third expansion loop
Top, the upper surface of third expansion loop are internal diameter diminishing conical ring face from top to bottom, and the lower end surface of the 4th expansion loop is interior
The conical ring face that diameter is gradually expanded from top to bottom is provided with expansion lower component limit inner ring on the conical ring face of the 4th expansion loop lower end
Platform, third expansion loop and the 4th expansion loop are the annulus for having axial crack, the lower end of third expansion loop and the 4th expansion loop
Upper end is fixedly installed togather, and the crack of the crack of third expansion loop and the 4th expansion loop is distributed in axile displacement.
Mounting means between the lower end of above-mentioned third expansion loop and the upper end of the 4th expansion loop are as follows: keyway be coupled or
It is threadedly coupled or bulge loop and recessed circle is coupled.
It is above-mentioned it is circumferentially radially uniform between slips ring and ontology be fixedly installed with six to eight shear pins, annular
Slips includes four to six slips pieces, circumferentially radially uniform on the lower part outer wall of centering ring to be fixed with six pieces to eight pieces rightings
Block.
The utility model reasonable and compact in structure, scientific structure is practical, reliable and stable, in the utility model, composite material
Sealing drum and the upper component of expansion or/and expansion lower component are two completely self-contained mechanisms, component or/and expansion the following group in expansion
The sealing performance of part can't depend on rubber seal to realize, immediately in prolonged use, composite material is close
Slowly aging loses sealing performance to sealed tube, but expands upper component or/and expansion lower component still independently of composite material sealing
Cylinder realizes the effect of Expansion sealing, can't bounce back, and is accomplished that a permanent sealing, and metal sealing is more suitable
Bad working environments are closed, therefore, tail pipe top can be effectively increased by consolidating in completion practice using the utility model for oil gas field tail pipe
The sand control of portion's packer, vapour proof effect.
Detailed description of the invention
Attached drawing 1 is schematic diagram of main cross-sectional structure of the best embodiment of the utility model.
Attached drawing 2 is schematic diagram of main cross-sectional structure in the utility model after the expansion of composite material sealing cylinder.
Attached drawing 3 is enlarged structure schematic diagram at A in Fig. 1.
Attached drawing 4 is enlarged structure schematic diagram at B in Fig. 1.
Attached drawing 5 is first expansion loop the first view stereo structure chart.
Attached drawing 6 is first expansion loop the second view stereo structure chart.
Attached drawing 7 is second expansion loop the first view stereo structure chart.
Coding in attached drawing is respectively as follows: 1 for ontology, and 2 be composite material sealing cylinder, and 3 hang tapered sleeve to sit, and 4 is self-locking for pawl
Ring, 5 be centering ring, and 6 be casing coupling, and 7 be upper press ring, and 8 be tapered sleeve inner ring, and 9 be slips ring, and 10 be slips piece, and 11 be shearing
Pin, 12 be slips inner ring, and 13 be lower pressure ring, and 14 be ontology inner ring, and 16 be land in the upper component of expansion limits, and 17 be tapered sleeve limit
Land in position, 18 be the first expansion loop, and 19 be the second expansion loop, and 20 be third expansion loop, and 21 be the 4th expansion loop.
Specific embodiment
The utility model is not limited by following embodiments, can technical solution according to the present utility model and actual conditions
Determine specific embodiment.
In the present invention, for ease of description, the description of the relative positional relationship of each component is according to specification
The Butut mode of attached drawing 1 is described, such as: the positional relationship of upper and lower, left and right is the Butut according to Figure of description
Direction determines.
The utility model is further described below with reference to examples and drawings:
As shown in attached drawing 1,3,4,5,6,7, which includes ontology 1, composite wood
Component, seat hang tapered sleeve 3, annular slips, pawl self-locking ring 4, expansion lower component, centering ring 5 and casing on material sealing drum 2, expansion
Box cupling 6；It is set with composite material sealing cylinder 2 on the middle part outer wall of ontology 1, in the top exterior walls of composite material sealing cylinder 2
It is set with the upper press ring 7 that can compress 2 top of composite material sealing cylinder, the sheet above composite material sealing cylinder 2 and upper press ring 7
The upper component of expansion is set on 1 outer wall of body, the upper surface of component is internal diameter diminishing conical ring face from top to bottom in expansion,
Be set on 1 outer wall of ontology in expansion above component seat hang tapered sleeve 3, sit hang tapered sleeve 3 lower end surface and expansion above component it is upper
End face matches, and sits in the upper inside wall for hanging tapered sleeve 3 and is provided with tapered sleeve inner ring 8, sit hang tapered sleeve 3 external wall of upper portion be it is outer upper without leave and
Under the conical ring face that is gradually expanded, annular slips includes the slips piece 10 of slips ring 9 and at least three pieces, and all slips pieces 10 are along circle
Week is radially fixed on the lower end surface of slips ring 9, and the pawl of tooth tip upward is provided on the lower part outer wall of all slips pieces 10,
Slips ring 9 is sleeved on 1 outer wall of ontology sat and hang 3 top of tapered sleeve, is fixedly installed with shear pin between slips ring 9 and ontology 1
The lower part of nail 11, all slips pieces 10 is located on the conical ring face sat and hang 3 external wall of upper portion of tapered sleeve, and the upper inside wall of slips ring 9 is set
It is equipped with slips inner ring 12, pawl self-locking ring 4 is set on 1 outer wall of ontology of corresponding 12 lower part of slips inner ring, in pawl self-locking ring 4
Outer wall on be provided with the pawl of tooth tip upward, be provided on the inner wall of the slips inner ring 12 of corresponding pawl self-locking ring 4 and tooth tip
Pawl directed downwardly, the pawl on pawl and slips inner ring 12 on 4 outer wall of pawl self-locking ring is intermeshed, from 8 bottom of tapered sleeve inner ring
Tooth tip pawl directed downwardly, the pawl on 1 outer wall of ontology are provided on end surface to 1 outer wall of ontology of 4 upper surface of pawl self-locking ring
Outer diameter be greater than sit hang tapered sleeve 3 internal diameter, the pawl of tooth tip upward, 1 outer wall of ontology are provided on the inner wall of pawl self-locking ring 4
On pawl and 4 inner wall of pawl self-locking ring on pawl be intermeshed；It is set in the bottom outer wall of composite material sealing cylinder 2
The lower pressure ring 13 that 2 bottom of composite material sealing cylinder can be compressed, the ontology 1 below composite material sealing cylinder 2 and lower pressure ring 13
It is set with expansion lower component on outer wall, is provided with ontology inner ring 14, centering ring 5 on 1 outer wall of ontology below expansion lower component
It is sleeved in ontology inner ring 14, offsets on the inside of the upper surface of centering ring 5 with the upper surface of ontology inner ring 14, expansion lower component is sitting in
On 5 upper surface of centering ring, the lower end surface for expanding lower component is the interior conical ring face that is gradually expanded up and down without leave, centering ring 5 it is upper
End face and the lower end surface of expansion lower component match, circumferentially radially uniform on the lower part outer wall of centering ring 5 to be fixed at least three pieces
Wiper block, be fixedly installed with casing coupling 6 on the ontology 1 below centering ring 5.
Composite material sealing cylinder 2 can be realized rubber seal, sits the lower end surface for hanging tapered sleeve 3 and expands the upper surface of upper component
Match, can guarantee under the pressure that top running tool applies, sitting extension tapered sleeve 3 can push the upper component of expansion smoothly swollen outward
It is swollen, it sits slips piece 10 after top application pressure is conveniently worked as in the conical ring face hung on tapered sleeve 3 and drives slips ring 9 can be suitable along conical ring face
Sharp downlink, the outer diameter of the pawl on 1 outer wall of ontology are greater than the internal diameter sat and hang tapered sleeve 3, can be realized ontology 1 and sitting hang tapered sleeve 3 it
Between limit, the cooperation of upper press ring 7 and lower pressure ring 13 can guarantee when the utility model top apply pressure after, composite material is close
Sealed tube 2 can be realized effectively expansion and control without departing from constraint, the upper surface of centering ring 5 and the lower end surface phase of expansion lower component
Match, can guarantee under the pressure that top running tool applies, expansion lower component can be smoothly outside along 5 upper surface of centering ring
Expansion, ontology inner ring 14 can limit centering ring 5 and casing coupling 6.
The utility model is used cooperatively with extension hanger, and extension hanger is connected to the lower end of casing coupling 6, in slips
Tie-back sleeve is fixedly mounted on slips inner wall above pawl in inner ring 12, sits and hangs, after the completion of construction of giving up when extension hanger,
On submit into drilling tool, by the pressurizing device being sent into drilling tool, the weight that drilling tool is sent into part is applied to the upper of tie-back sleeve
End face, when weight reaches the cutting pressure of shear pin 11, as shown in Fig. 2, annular slips loses fixation, is being sent into drilling tool
Promotion under, annular slips, pawl self-locking ring 4 and sit and hang the whole downlink of tapered sleeve 3, sit to hang tapered sleeve 3 and act on and expand upper component
On upper surface, component and expansion lower component can expand outward under pressure in expansion, outside the upper component of expansion is expanded to
When diameter is consistent with extraneous casing caliber, upper pressure continue pressure under, composite material sealing cylinder 2 starts to expand, while swollen
Swollen lower component starts to expand, when expand lower component be expanded to outer diameter it is consistent with extraneous casing caliber when, 2 reality of composite material sealing cylinder
Now complete Expansion sealing, under the thrust that top continues to pressure, component continues to expand in expansion, in this way, expanding upper component
Realize the metal sealing between extraneous internal surface of sleeve pipe, meanwhile, the seat of slips piece 10 is hung on extraneous internal surface of sleeve pipe, realizes that tail pipe is outstanding
The seat for hanging system orientation is hung, in the process, the design of pawl inside and outside pawl self-locking ring 4, so that annular slips is realized with position certainly
Lock.
Composite material sealing cylinder 2 is made of stainless steel fibre, ceramic fibre or high-temperature resistant rubber.
The utility model scientific structure is practical, reliable and stable, and in the utility model, composite material sealing is the prior art
In rubber seal, component or/and expansion lower component are metal seal in the prior art, still, this reality in expansion
In novel, composite material sealing cylinder 2 and the upper component of expansion or/and expansion lower component are two completely self-contained mechanisms, expansion
Upper component or/and the sealing performance for expanding lower component can't depend on rubber seal to realize, even if making for a long time
In the case of, slowly aging loses sealing performance to composite material sealing cylinder 2, but expand upper component or/and expansion lower component according to
So independently of composite material sealing cylinder 2 realize Expansion sealing effect, can't bounce back, be accomplished that one it is permanent
Sealing, metal sealing are more suitable bad working environments, therefore, are consolidated in completion practice using the utility model for oil gas field tail pipe
Sand control, the vapour proof effect of top packer for tail pipe can be effectively increased.
Can above-mentioned mechanical setting type sand-control tail pipe top packer be advanced optimized or/and be changed according to actual needs
Into:
As shown in attached drawing 1,5,6,7, the upper component of expansion is provided on the conical ring face of component upper end in expansion and limits interior land
16, corresponding sit on the conical ring face for hanging 3 lower end of tapered sleeve is also equipped with land 17 in tapered sleeve limit.When composite material sealing cylinder 2 is realized
After complete Expansion sealing, under the thrust that top continues to pressure, component continues to expand in expansion, and component is expanded in expansion
Component limits interior land 16 and offsets with land 17 in tapered sleeve limit in expansion, and the upper end of the upper component of expansion hangs tapered sleeve 3 with seat
Lower end completely it is mutually nested after, expansion in component realization and the external world internal surface of sleeve pipe between metal sealing, meanwhile, slips piece 10
Seat is hung on extraneous internal surface of sleeve pipe, realizes that the seat of tail tube hanging system orientation is hung, in the process, pawl self-locking ring 4 is inside and outside
The design of tooth, so that annular slips realization is self-locking with position.
According to actual needs, it expands and is provided with land in expansion lower component limit on the conical ring face of lower component lower end, it is corresponding
Land in centralizing ring spacing is also equipped on the conical ring face of the upper end of centering ring 5.When composite material sealing cylinder 2 realizes complete expansion
After sealing, under the thrust that top continues to pressure, expansion lower component continues to expand, and expansion lower component is expanded to expansion the following group
Land limits interior land with centering ring 5 and offsets in part limit, and expands the lower end of lower component and the complete phase in upper end of centering ring 5
Mutually after nesting, expansion lower component realizes the metal sealing between extraneous internal surface of sleeve pipe.
As shown in Fig. 1, the conical ring face that the lower end surface of component is gradually expanded from top to bottom in expansion for internal diameter, expands the following group
The upper surface of part is internal diameter diminishing conical ring face from top to bottom.The lower end surface of component is conical ring face in expansion, expands the following group
The upper surface of part be conical ring face, not only enable expand component be preferably pressed on composite material sealing cylinder 2 upper end and
On upper press ring 7, expansion lower component is preferably pressed on the lower end and lower pressure ring 13 of composite material sealing cylinder 2, and
And in the case where running tool gradually presses, it can be further ensured that in the continuous expansion process of composite material sealing cylinder 2,
Constraint control is not departed from.
As shown in Fig. 1, component includes the first expansion loop 18 and the second expansion loop 19, the setting of the first expansion loop 18 in expansion
In the top of the second expansion loop 19, the upper surface of the first expansion loop 18 is internal diameter diminishing conical ring face from top to bottom, the
It is provided with the upper component of expansion on the conical ring face of one expansion loop, 18 upper end and limits interior land 16, the lower end surface of the second expansion loop 19 is interior
The conical ring face that diameter is gradually expanded from top to bottom, the first expansion loop 18 and the second expansion loop 19 are the annulus for having axial crack, the
The lower end of one expansion loop 18 and the upper end of the second expansion loop 19 are fixedly installed togather, the crack of the first expansion loop 18 and second swollen
The crack of tensioner ring 19 is distributed in axile displacement.First expansion loop 18 and the second expansion loop 19 have axial crack, it is ensured that
In the case of pressure, the first expansion loop 18 and the second expansion loop 19 can smoothly expand, and consider the composite factors such as stress, sealing
In the case of, the crack of the crack of the first expansion loop 18 and the second expansion loop 19 is dislocatedly distributed best in axial 180 degree.
As shown in Fig. 1, the mounting means between the lower end of the first expansion loop 18 and the upper end of the second expansion loop 19 are as follows: key
Slot is coupled or is threadedly coupled or bulge loop and recessed circle are coupled.This mounting means facilitates installation and removal, replacement member
Part also facilitates, and equally, in the prior art, similar mounting means can also apply in the utility model.
As shown in attached drawing 1,5,6,7, expansion lower component includes third expansion loop 20 and the 4th expansion loop 21, third expansion loop
20 are arranged in the top of the 4th expansion loop 21, and the upper surface of third expansion loop 20 is internal diameter diminishing conical ring from top to bottom
Face, the lower end surface of the 4th expansion loop 21 are the conical ring face that internal diameter is gradually expanded from top to bottom, the cone in 21 lower end of the 4th expansion loop
It is provided with expansion lower component on anchor ring and limits interior land, third expansion loop 20 and the 4th expansion loop 21 are there are axial 11 cracks
The upper end of annulus, the lower end of third expansion loop 20 and the 4th expansion loop 21 is fixedly installed togather, the crack of third expansion loop 20
It is distributed with the crack of the 4th expansion loop 21 in axile displacement.Third expansion loop 20 and the 4th expansion loop 21 have axial crack, can
To guarantee in pressure, third expansion loop 20 and the 4th expansion loop 21 can smoothly expand, and consider that stress, sealing etc. are comprehensive
In the case where conjunction factor, the crack of the crack of the first expansion loop 18 and the second expansion loop 19 is dislocatedly distributed best in axial 180 degree.
As shown in Fig. 1, the mounting means between the lower end of third expansion loop 20 and the upper end of the 4th expansion loop 21 are as follows: key
Slot is coupled or is threadedly coupled or bulge loop and recessed circle are coupled.This mounting means facilitates installation and removal, replacement member
Part also facilitates, and equally, in the prior art, similar mounting means can also apply in the utility model.
According to actual needs, circumferentially radially uniform between slips ring 9 and ontology 1 to be fixedly installed with six to eight and cut
Pin 11 is cut, the quantity of slips piece 10 is four to six, circumferentially radially uniform on the lower part outer wall of centering ring 5 to be fixed with six
Block is to eight pieces of wiper blocks.
The above technical characteristic constitutes the most preferred embodiment of the utility model, with stronger adaptability and best implementation
Effect can increase and decrease non-essential technical characteristic, according to actual needs to meet the needs of different situations.
Claims (38)
1. a kind of machinery setting type sand-control tail pipe top packer, it is characterised in that including ontology, composite material sealing cylinder, expansion
Upper component is sat and hangs tapered sleeve, annular slips, pawl self-locking ring, expansion lower component, centering ring and casing coupling；At the middle part of ontology
Composite material sealing cylinder is set on outer wall, composite material can be compressed by being set in the top exterior walls of composite material sealing cylinder
Upper press ring at the top of sealing drum is set with the upper component of expansion on the body outer wall above composite material sealing cylinder and upper press ring,
The upper surface of component is internal diameter diminishing conical ring face from top to bottom in expansion, on expanding the body outer wall above upper component
It is set with seat and hangs tapered sleeve, the upper surface sat the lower end surface for hanging tapered sleeve and expand upper component matches, and sits in the upper inside wall for hanging tapered sleeve
It is provided with tapered sleeve inner ring, sits the conical ring face that the external wall of upper portion of tapered sleeve is gradually expanded from top to bottom for outer diameter that hangs, annular slips includes
The slips piece of slips ring and at least three pieces, all slips pieces are circumferentially radially fixed on the lower end surface of slips ring, all
The pawl of tooth tip upward is provided on the lower part outer wall of slips piece, slips ring set is mounted on the body outer wall sat and hung above tapered sleeve,
Shear pin is fixedly installed between slips ring and ontology, the lower part of all slips pieces, which is located to sit, hangs tapered sleeve external wall of upper portion
On conical ring face, the upper inside wall of slips ring is provided with slips inner ring, is set with down on the body outer wall of corresponding slips inner ring lower part
Tooth self-locking ring is provided with the pawl of tooth tip upward on the outer wall of pawl self-locking ring, the slips inner ring of corresponding pawl self-locking ring
It is provided on inner wall and is mutually nibbled with tooth tip pawl directed downwardly, the pawl on pawl self-locking ring outer wall with the pawl in slips inner ring
It closes, from tapered sleeve inner ring bottom end face to being provided with tooth tip pawl directed downwardly, ontology on the body outer wall of pawl self-locking ring upper surface
The outer diameter of pawl on outer wall be greater than sit hang tapered sleeve internal diameter, be provided on the inner wall of pawl self-locking ring tooth tip upward fall
Tooth, the pawl on pawl and pawl self-locking ring inner wall on body outer wall are intermeshed；Outside the bottom of composite material sealing cylinder
The lower pressure ring that can compress composite material sealing cylinder bottom is set on wall, the sheet below composite material sealing cylinder and lower pressure ring
It is set with expansion lower component on external wall, is provided with land in ontology, centering ring on the body outer wall below expansion lower component
It is sleeved in ontology in land, offsets on the inside of the upper surface of centering ring with the upper surface of land in ontology, expansion lower component is sitting in
On centering ring upper surface, the lower end surface for expanding lower component is conical ring face interior upper and lower without leave and being gradually expanded, the upper end of centering ring
Face and the lower end surface of expansion lower component match, circumferentially radially uniform on the lower part outer wall of centering ring to be fixed at least three pieces and help
Positive block is fixedly installed with casing coupling on the ontology below centering ring.
2. machinery setting type sand-control tail pipe top packer according to claim 1, it is characterised in that in expansion on component
It is provided with the upper component of expansion on the conical ring face at end and limits interior land, corresponding sit on the conical ring face for hanging tapered sleeve lower end is also equipped with tapered sleeve
Land in limiting.
3. machinery setting type sand-control tail pipe top packer according to claim 1 or 2, it is characterised in that expansion lower component
It is provided with expansion lower component on the conical ring face of lower end and limits interior land, is also equipped with and helps on the conical ring face of the upper end of corresponding centering ring
Positive ring limits interior land.
4. machinery setting type sand-control tail pipe top packer according to claim 1 or 2, it is characterised in that component in expansion
Lower end surface be the conical ring face that is gradually expanded from top to bottom of internal diameter, the upper surface for expanding lower component is that internal diameter gradually contracts from top to bottom
Small conical ring face.
5. machinery setting type sand-control tail pipe top packer according to claim 3, it is characterised in that component in expansion
Lower end surface is the conical ring face that internal diameter is gradually expanded from top to bottom, and the upper surface for expanding lower component is that internal diameter is gradually reduced from top to bottom
Conical ring face.
6. machinery setting type sand-control tail pipe top packer according to claim 4, it is characterised in that component packet in expansion
The first expansion loop and the second expansion loop are included, the top of the second expansion loop, the upper surface of the first expansion loop is arranged in the first expansion loop
For internal diameter diminishing conical ring face from top to bottom, the upper component limit of expansion is provided on the conical ring face of the first expansion loop upper end
Interior land, the lower end surface of the second expansion loop are the conical ring face that internal diameter is gradually expanded from top to bottom, the first expansion loop and the second expansion
Ring is the annulus for having axial crack, and the upper end of the lower end of the first expansion loop and the second expansion loop is fixedly installed togather, and first
The crack of expansion loop and the crack of the second expansion loop are distributed in axile displacement.
7. machinery setting type sand-control tail pipe top packer according to claim 5, it is characterised in that component packet in expansion
The first expansion loop and the second expansion loop are included, the top of the second expansion loop, the upper surface of the first expansion loop is arranged in the first expansion loop
For internal diameter diminishing conical ring face from top to bottom, the upper component limit of expansion is provided on the conical ring face of the first expansion loop upper end
Interior land, the lower end surface of the second expansion loop are the conical ring face that internal diameter is gradually expanded from top to bottom, the first expansion loop and the second expansion
Ring is the annulus for having axial crack, and the upper end of the lower end of the first expansion loop and the second expansion loop is fixedly installed togather, and first
The crack of expansion loop and the crack of the second expansion loop are distributed in axile displacement.
8. machinery setting type sand-control tail pipe top packer according to claim 6, it is characterised in that the first expansion loop
Mounting means between lower end and the upper end of the second expansion loop are as follows: keyway is coupled or is threadedly coupled or bulge loop and recessed circle are matched
Close installation.
9. machinery setting type sand-control tail pipe top packer according to claim 7, it is characterised in that the first expansion loop
Mounting means between lower end and the upper end of the second expansion loop are as follows: keyway is coupled or is threadedly coupled or bulge loop and recessed circle are matched
Close installation.
10. machinery setting type sand-control tail pipe top packer according to claim 4, it is characterised in that expansion lower component packet
Third expansion loop and the 4th expansion loop are included, the top of the 4th expansion loop, the upper surface of third expansion loop is arranged in third expansion loop
For internal diameter, diminishing conical ring face, the lower end surface of the 4th expansion loop are the conical ring that internal diameter is gradually expanded from top to bottom from top to bottom
Face is provided with expansion lower component on the conical ring face of the 4th expansion loop lower end and limits interior land, third expansion loop and the 4th expansion
Ring is the annulus for having axial crack, and the upper end of the lower end of third expansion loop and the 4th expansion loop is fixedly installed togather, third
The crack of expansion loop and the crack of the 4th expansion loop are distributed in axile displacement.
11. machinery setting type sand-control tail pipe top packer according to claim 5, it is characterised in that expansion lower component packet
Third expansion loop and the 4th expansion loop are included, the top of the 4th expansion loop, the upper surface of third expansion loop is arranged in third expansion loop
For internal diameter, diminishing conical ring face, the lower end surface of the 4th expansion loop are the conical ring that internal diameter is gradually expanded from top to bottom from top to bottom
Face is provided with expansion lower component on the conical ring face of the 4th expansion loop lower end and limits interior land, third expansion loop and the 4th expansion
Ring is the annulus for having axial crack, and the upper end of the lower end of third expansion loop and the 4th expansion loop is fixedly installed togather, third
The crack of expansion loop and the crack of the 4th expansion loop are distributed in axile displacement.
12. machinery setting type sand-control tail pipe top packer according to claim 6, it is characterised in that expansion lower component packet
Third expansion loop and the 4th expansion loop are included, the top of the 4th expansion loop, the upper surface of third expansion loop is arranged in third expansion loop
For internal diameter, diminishing conical ring face, the lower end surface of the 4th expansion loop are the conical ring that internal diameter is gradually expanded from top to bottom from top to bottom
Face is provided with expansion lower component on the conical ring face of the 4th expansion loop lower end and limits interior land, third expansion loop and the 4th expansion
Ring is the annulus for having axial crack, and the upper end of the lower end of third expansion loop and the 4th expansion loop is fixedly installed togather, third
The crack of expansion loop and the crack of the 4th expansion loop are distributed in axile displacement.
13. machinery setting type sand-control tail pipe top packer according to claim 7, it is characterised in that expansion lower component packet
Third expansion loop and the 4th expansion loop are included, the top of the 4th expansion loop, the upper surface of third expansion loop is arranged in third expansion loop
For internal diameter, diminishing conical ring face, the lower end surface of the 4th expansion loop are the conical ring that internal diameter is gradually expanded from top to bottom from top to bottom
Face is provided with expansion lower component on the conical ring face of the 4th expansion loop lower end and limits interior land, third expansion loop and the 4th expansion
Ring is the annulus for having axial crack, and the upper end of the lower end of third expansion loop and the 4th expansion loop is fixedly installed togather, third
The crack of expansion loop and the crack of the 4th expansion loop are distributed in axile displacement.
14. machinery setting type sand-control tail pipe top packer according to claim 8, it is characterised in that expansion lower component packet
Third expansion loop and the 4th expansion loop are included, the top of the 4th expansion loop, the upper surface of third expansion loop is arranged in third expansion loop
For internal diameter, diminishing conical ring face, the lower end surface of the 4th expansion loop are the conical ring that internal diameter is gradually expanded from top to bottom from top to bottom
Face is provided with expansion lower component on the conical ring face of the 4th expansion loop lower end and limits interior land, third expansion loop and the 4th expansion
Ring is the annulus for having axial crack, and the upper end of the lower end of third expansion loop and the 4th expansion loop is fixedly installed togather, third
The crack of expansion loop and the crack of the 4th expansion loop are distributed in axile displacement.
15. machinery setting type sand-control tail pipe top packer according to claim 9, it is characterised in that expansion lower component packet
Third expansion loop and the 4th expansion loop are included, the top of the 4th expansion loop, the upper surface of third expansion loop is arranged in third expansion loop
For internal diameter, diminishing conical ring face, the lower end surface of the 4th expansion loop are the conical ring that internal diameter is gradually expanded from top to bottom from top to bottom
Face is provided with expansion lower component on the conical ring face of the 4th expansion loop lower end and limits interior land, third expansion loop and the 4th expansion
Ring is the annulus for having axial crack, and the upper end of the lower end of third expansion loop and the 4th expansion loop is fixedly installed togather, third
The crack of expansion loop and the crack of the 4th expansion loop are distributed in axile displacement.
16. machinery setting type sand-control tail pipe top packer according to claim 10, it is characterised in that third expansion loop
Lower end and the 4th expansion loop upper end between mounting means are as follows: keyway is coupled or is threadedly coupled or bulge loop and recessed circle
It is coupled.
17. machinery setting type sand-control tail pipe top packer according to claim 11, it is characterised in that third expansion loop
Lower end and the 4th expansion loop upper end between mounting means are as follows: keyway is coupled or is threadedly coupled or bulge loop and recessed circle
It is coupled.
18. machinery setting type sand-control tail pipe top packer according to claim 12, it is characterised in that third expansion loop
Lower end and the 4th expansion loop upper end between mounting means are as follows: keyway is coupled or is threadedly coupled or bulge loop and recessed circle
It is coupled.
19. machinery setting type sand-control tail pipe top packer according to claim 13, it is characterised in that third expansion loop
Lower end and the 4th expansion loop upper end between mounting means are as follows: keyway is coupled or is threadedly coupled or bulge loop and recessed circle
It is coupled.
20. machinery setting type sand-control tail pipe top packer according to claim 14, it is characterised in that third expansion loop
Lower end and the 4th expansion loop upper end between mounting means are as follows: keyway is coupled or is threadedly coupled or bulge loop and recessed circle
It is coupled.
21. machinery setting type sand-control tail pipe top packer according to claim 1 or 2, it is characterised in that in slips ring
Circumferentially radially uniform between ontology to be fixedly installed with six to eight shear pins, annular slips includes four to six cards
Tile, it is circumferentially radially uniform on the lower part outer wall of centering ring to be fixed with six pieces to eight pieces wiper blocks.
22. machinery setting type sand-control tail pipe top packer according to claim 3, it is characterised in that in slips ring and this
Circumferentially radially uniform between body to be fixedly installed with six to eight shear pins, annular slips includes four to six slips
Piece, it is circumferentially radially uniform on the lower part outer wall of centering ring to be fixed with six pieces to eight pieces wiper blocks.
23. machinery setting type sand-control tail pipe top packer according to claim 4, it is characterised in that in slips ring and this
Circumferentially radially uniform between body to be fixedly installed with six to eight shear pins, annular slips includes four to six slips
Piece, it is circumferentially radially uniform on the lower part outer wall of centering ring to be fixed with six pieces to eight pieces wiper blocks.
24. machinery setting type sand-control tail pipe top packer according to claim 5, it is characterised in that in slips ring and this
Circumferentially radially uniform between body to be fixedly installed with six to eight shear pins, annular slips includes four to six slips
Piece, it is circumferentially radially uniform on the lower part outer wall of centering ring to be fixed with six pieces to eight pieces wiper blocks.
25. machinery setting type sand-control tail pipe top packer according to claim 6, it is characterised in that in slips ring and this
Circumferentially radially uniform between body to be fixedly installed with six to eight shear pins, annular slips includes four to six slips
Piece, it is circumferentially radially uniform on the lower part outer wall of centering ring to be fixed with six pieces to eight pieces wiper blocks.
26. machinery setting type sand-control tail pipe top packer according to claim 7, it is characterised in that in slips ring and this
Circumferentially radially uniform between body to be fixedly installed with six to eight shear pins, annular slips includes four to six slips
Piece, it is circumferentially radially uniform on the lower part outer wall of centering ring to be fixed with six pieces to eight pieces wiper blocks.
27. machinery setting type sand-control tail pipe top packer according to claim 8, it is characterised in that in slips ring and this
Circumferentially radially uniform between body to be fixedly installed with six to eight shear pins, annular slips includes four to six slips
Piece, it is circumferentially radially uniform on the lower part outer wall of centering ring to be fixed with six pieces to eight pieces wiper blocks.
28. machinery setting type sand-control tail pipe top packer according to claim 9, it is characterised in that in slips ring and this
Circumferentially radially uniform between body to be fixedly installed with six to eight shear pins, annular slips includes four to six slips
Piece, it is circumferentially radially uniform on the lower part outer wall of centering ring to be fixed with six pieces to eight pieces wiper blocks.
29. machinery setting type sand-control tail pipe top packer according to claim 10, it is characterised in that slips ring with
Circumferentially radially uniform between ontology to be fixedly installed with six to eight shear pins, annular slips includes four to six slips
Piece, it is circumferentially radially uniform on the lower part outer wall of centering ring to be fixed with six pieces to eight pieces wiper blocks.
30. machinery setting type sand-control tail pipe top packer according to claim 11, it is characterised in that slips ring with
Circumferentially radially uniform between ontology to be fixedly installed with six to eight shear pins, annular slips includes four to six slips
Piece, it is circumferentially radially uniform on the lower part outer wall of centering ring to be fixed with six pieces to eight pieces wiper blocks.
31. machinery setting type sand-control tail pipe top packer according to claim 12, it is characterised in that slips ring with
Circumferentially radially uniform between ontology to be fixedly installed with six to eight shear pins, annular slips includes four to six slips
Piece, it is circumferentially radially uniform on the lower part outer wall of centering ring to be fixed with six pieces to eight pieces wiper blocks.
32. machinery setting type sand-control tail pipe top packer according to claim 13, it is characterised in that slips ring with
Circumferentially radially uniform between ontology to be fixedly installed with six to eight shear pins, annular slips includes four to six slips
Piece, it is circumferentially radially uniform on the lower part outer wall of centering ring to be fixed with six pieces to eight pieces wiper blocks.
33. machinery setting type sand-control tail pipe top packer according to claim 14, it is characterised in that slips ring with
Circumferentially radially uniform between ontology to be fixedly installed with six to eight shear pins, annular slips includes four to six slips
Piece, it is circumferentially radially uniform on the lower part outer wall of centering ring to be fixed with six pieces to eight pieces wiper blocks.
34. machinery setting type sand-control tail pipe top packer according to claim 15, it is characterised in that slips ring with
Circumferentially radially uniform between ontology to be fixedly installed with six to eight shear pins, annular slips includes four to six slips
Piece, it is circumferentially radially uniform on the lower part outer wall of centering ring to be fixed with six pieces to eight pieces wiper blocks.
35. machinery setting type sand-control tail pipe top packer according to claim 16, it is characterised in that slips ring with
Circumferentially radially uniform between ontology to be fixedly installed with six to eight shear pins, annular slips includes four to six slips
Piece, it is circumferentially radially uniform on the lower part outer wall of centering ring to be fixed with six pieces to eight pieces wiper blocks.
36. machinery setting type sand-control tail pipe top packer according to claim 17, it is characterised in that slips ring with
Circumferentially radially uniform between ontology to be fixedly installed with six to eight shear pins, annular slips includes four to six slips
Piece, it is circumferentially radially uniform on the lower part outer wall of centering ring to be fixed with six pieces to eight pieces wiper blocks.
37. machinery setting type sand-control tail pipe top packer according to claim 18, it is characterised in that slips ring with
Circumferentially radially uniform between ontology to be fixedly installed with six to eight shear pins, annular slips includes four to six slips
Piece, it is circumferentially radially uniform on the lower part outer wall of centering ring to be fixed with six pieces to eight pieces wiper blocks.
38. machinery setting type sand-control tail pipe top packer according to claim 19, it is characterised in that slips ring with
Circumferentially radially uniform between ontology to be fixedly installed with six to eight shear pins, annular slips includes four to six slips
Piece, it is circumferentially radially uniform on the lower part outer wall of centering ring to be fixed with six pieces to eight pieces wiper blocks.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821525711.0U CN209083256U (en) | 2018-09-18 | 2018-09-18 | Mechanical setting type sand-control tail pipe top packer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821525711.0U CN209083256U (en) | 2018-09-18 | 2018-09-18 | Mechanical setting type sand-control tail pipe top packer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209083256U true CN209083256U (en) | 2019-07-09 |
Family
ID=67116915
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821525711.0U Withdrawn - After Issue CN209083256U (en) | 2018-09-18 | 2018-09-18 | Mechanical setting type sand-control tail pipe top packer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209083256U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108952619A (en) * | 2018-09-18 | 2018-12-07 | 中国石油集团西部钻探工程有限公司 | Mechanical setting type sand-control tail pipe top packer |
| CN112761561A (en) * | 2019-10-21 | 2021-05-07 | 中国石油化工股份有限公司 | Suspension device for tail pipe |
-
2018
- 2018-09-18 CN CN201821525711.0U patent/CN209083256U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108952619A (en) * | 2018-09-18 | 2018-12-07 | 中国石油集团西部钻探工程有限公司 | Mechanical setting type sand-control tail pipe top packer |
| CN112761561A (en) * | 2019-10-21 | 2021-05-07 | 中国石油化工股份有限公司 | Suspension device for tail pipe |
| CN112761561B (en) * | 2019-10-21 | 2022-12-27 | 中国石油化工股份有限公司 | Suspension device for tail pipe |
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Granted publication date: 20190709 Effective date of abandoning: 20230707 |