CN205532417U - Releasing tool - Google Patents
Releasing tool Download PDFInfo
- Publication number
- CN205532417U CN205532417U CN201620268743.1U CN201620268743U CN205532417U CN 205532417 U CN205532417 U CN 205532417U CN 201620268743 U CN201620268743 U CN 201620268743U CN 205532417 U CN205532417 U CN 205532417U
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- Prior art keywords
- connector
- mandrel component
- mandrel
- limiting section
- sealing drum
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- 230000002093 peripheral effect Effects 0.000 claims abstract description 42
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- 230000033228 biological regulation Effects 0.000 claims description 25
- 238000010008 shearing Methods 0.000 claims description 23
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- 238000010168 coupling process Methods 0.000 claims description 9
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- 208000031481 Pathologic Constriction Diseases 0.000 claims 2
- 210000001215 vagina Anatomy 0.000 claims 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 abstract 1
- 235000017491 Bambusa tulda Nutrition 0.000 abstract 1
- 241001330002 Bambuseae Species 0.000 abstract 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 abstract 1
- 239000011425 bamboo Substances 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 10
- 239000007788 liquid Substances 0.000 description 9
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- 230000005484 gravity Effects 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
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- 238000005516 engineering process Methods 0.000 description 2
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- 238000006073 displacement reaction Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000002372 labelling Methods 0.000 description 1
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- 230000000452 restraining effect Effects 0.000 description 1
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Shaping Of Tube Ends By Bending Or Straightening (AREA)
Abstract
The utility model provides a releasing tool for stay a sealed section of thick bamboo in preset position, include: the mandrel component, a part of the mandrel component stretches into the sealing cylinder; the connecting piece is at least partially clamped between the outer peripheral surface of the mandrel component and the inner peripheral surface of the sealing barrel so as to enable the connecting piece to rotate along with the rotation of the mandrel component, and the connecting piece is in threaded connection with the sealing barrel; the limiting part is positioned between the outer peripheral surface of the mandrel component and the inner peripheral surface of the sealing barrel, the limiting part is provided with a first working position and a second working position, and when the limiting part is positioned at the first working position, the limiting part is abutted against the connecting piece so that the connecting piece and the sealing barrel are in a thread locking state; when the limiting part is located at the second working position, the limiting part is separated from the connecting piece so that the connecting piece and the sealing barrel are in a thread loosening state. The utility model provides a releasing tool among the prior art accomplish the poor problem of reliability of releasing operation.
Description
Technical field
This utility model relates to oilfield well completion apparatus field, in particular to a kind of releasing tool.
Background technology
Existing releasing tool generally has two kinds, and one is hydraulic releasing tool, and another kind is mechanical type releasing tool.
Hydraulic releasing tool uses the mode of " shear pin "+" suppressing " to be carried out giving up operation.On the one hand, well is entered at tubing string
During, shear pin is easily subject to the shock loading in the external world and produces fatigue deformation or surprisingly cut off, and the pressure that causes giving up is forbidden,
Or give up in advance；On the other hand, shear pin is easily under " upper button " effect that tube post produces, because the relative motion between part is subject to
Power and tired, the pressure that causes giving up is forbidden, or gives up in advance.
A mechanical type releasing tool part uses " left-hand thread " mode to give up, and a part uses " pressure down " mode to carry out
Give up." left-hand thread " mode can not under fashionable rotating forward tubing string, this considerably increases and enter difficulty under tubing string, extend under tubing string fashionable
Between；" pressure down " mode is easy to after entering horizontal segment under tubing string conflict with " being hampered " so that ground judges that downhole conditions is stranded
Difficulty, operation easier is big, easily causes and gives up in advance, which has limited the use in horizontal well of this kind of instrument.
Utility model content
Main purpose of the present utility model is to provide a kind of releasing tool, completes to give up solving releasing tool of the prior art
The problem of the poor reliability of operation.
To achieve these goals, this utility model provides a kind of releasing tool, for staying in precalculated position by sealing drum, bag
Including: mandrel component, a part for mandrel component stretches in sealing drum；Connector, connector be folded in mandrel at least partially
So that connector rotates along with the rotation of mandrel component between outer peripheral face and the inner peripheral surface of sealing drum of assembly, connector and sealing
Cylinder is threaded；Limiting section, limiting section is between the outer peripheral face and the inner peripheral surface of sealing drum of mandrel component, and limiting section has
One operating position and the second operating position, when limiting section is in the first operating position, limiting section abuts so that being connected with connector
Part and sealing drum are in screw-threaded coupling state；When limiting section is in the second operating position, limiting section separates with connector so that connecting
Fitting and sealing drum are in screw thread and get loose state.
Further, connector is tubular, and the inner peripheral surface of tubular connector is provided with the first circumference drive mechanism, mandrel
The the second circumference drive mechanism matched with the first circumference drive mechanism it is provided with on the outer peripheral face of assembly.
Further, the first circumference drive mechanism is at least one projection stretched out towards mandrel component side by the inner circumferential of connector,
Second circumference drive mechanism is and the groove of protruding snap-fit engagement.
Further, projection is multiple, and multiple projections are spaced setting around the inner peripheral surface of connector.
Further, the outer peripheral face of connector has outer silk screw thread, outer silk screw thread have the axial direction along connector offer to
A few deformation otch.
Further, when releasing tool is in use state, limiting section is positioned at the lower section of connector, when limiting section is in first
During operating position, the upper end of limiting section abuts with the lower end of connector；When limiting section is in the second operating position, limiting section
Upper end separates with the lower end of connector.
Further, the first circumference drive mechanism is arranged on the side away from limiting section of connector, and outer silk screw thread is arranged on connection
The side of the close limiting section of part.
Further, there is between mandrel component and connector space, when limiting section by the first operating position to the second work
During change in location, space is for making the connector change in location relative to sealing drum.
Further, mandrel component be circumferentially provided with the first stop configurations that orientation movements space is stretched out, the first stop configurations position
In the lower section of connector and abut in the axial direction of mandrel component with connector or separate, when limiting section is in the first operating position,
First stop configurations separates and is formed movement clearance with connector, and movement clearance is a part for space.
Further, limiting section includes: the support component abutting with connector or separating；First shears shear pin, and a support component leads to
Crossing the first shearing shear pin to be arranged on mandrel component, when the first shearing shear pin is in and does not cuts off state, limiting section is in the first work
Make position so that connector and sealing drum are in screw-threaded coupling state, when the first shearing shear pin is in and cuts off state, at limiting section
In the second operating position, limiting section separates with connector so that connector and sealing drum are in screw thread and get loose state.
Further, a support component includes: be set in the support set outside mandrel component, and support set abuts with connector or separates；
Along first movable part axially supporting support set of mandrel component, the first movable part is sheared shear pin by first and is arranged on mandrel component
On, when limiting section is in the first operating position, the first movable part and the side towards mandrel component of support set and mandrel component
Outer peripheral face between formed pressure pocket, the sidewall of mandrel component has the first pressure transmission through hole, the inwall of mandrel component by first biography
Pressure through hole connects with pressure pocket.
Further, the first movable part has the second stop configurations stretched out towards mandrel component side, and the second stop configurations will be held
Pressure chamber is the first sub-cavity and the second sub-cavity along the axially spaced of mandrel component, and the first sub-cavity is close relative to the second sub-cavity
The side of connector, the first pressure transmission through hole and the connection of the second sub-cavity；First movable part has second connected with the first sub-cavity
Pressure transmission through hole, the sidewall of sealing drum has the 3rd pressure transmission through hole, the second pressure transmission through hole and the connection of the 3rd pressure transmission through hole.
Further, prop up support component also to include: sealing member, sealing member is arranged on the outer peripheral face of the second stop configurations and mandrel component
Between；And/or safety collar, safety collar is arranged between support set and the outer peripheral face of mandrel component.
Further, releasing tool also includes: the biography being set on mandrel component and can sliding along the axial direction of mandrel component
Square portion, biography square portion has transfers biography square position and biography square position of giving up；Second shears shear pin, passes square portion by the second shearing shear pin
It is connected with mandrel component；When the second shearing shear pin is in and does not cuts off state, biography square portion is in transfers biography square position so that passing square portion
It is connected with sealing drum locking and the moment of torsion of mandrel component is passed to sealing drum；When the second shearing shear pin is in and cuts off state, pass
Square portion is in biography square position of giving up so that passing square portion and separating with sealing drum and the moment of torsion of mandrel component is passed to connector.
Further, releasing tool also includes baffle ring, and baffle ring is set on mandrel component to limit the motion passing square portion, passes
Square portion is being located axially between baffle ring and sealing drum along mandrel component.
Further, the end face of the one end towards sealing drum passing square portion has the first biography square structure, and sealing drum has and the first biography
The second biography square structure that square structure matches.
Further, the first biography square structure and second passes the concave-convex fit structure that square structure is mutual clamping.
Further, pass square portion and there is at least one sliding elongated hole that the sidewall in through biography square portion is arranged, the length side of sliding elongated hole
Axial to for mandrel component.
Further, mandrel component has at least one moment of torsion transmission block, is embedded with a moment of torsion transmission block in each sliding elongated hole.
Further, pass square portion and include overlapping and the second movable part along the regulation being axially sequentially connected with of mandrel component, regulation set and the
Two movable parts are threaded.
Further, pass square portion and include overlapping and the second movable part along the regulation being axially sequentially connected with of mandrel component, regulation set and the
Two movable parts are threaded；Second movable part has the first biography square structure.
Further, pass square portion and include overlapping and the second movable part along the regulation being axially sequentially connected with of mandrel component, regulation set and the
Two movable parts are threaded；Second movable part has sliding elongated hole.
Further, the screw thread rotation between screw thread rotation direction and connector and the sealing drum between regulation set and the second movable part
In opposite direction.
Further, the outer peripheral face of connector has outer silk screw thread, and outer silk screw thread is left-handed outer silk male thread.
Further, mandrel component includes top connection, upper mandrel and lower mandrel, the top connection being axially sequentially connected with along mandrel component
Connecting with upper mandrel thread, upper mandrel and lower mandrel thread connect.
Further, the screw thread rotation direction between top connection and upper mandrel is in opposite direction with connector and sealing drum screw thread rotation；
Screw thread rotation direction between upper mandrel and lower mandrel is in opposite direction with connector and sealing drum screw thread rotation.
Application the technical solution of the utility model, due to threaded between connector and sealing drum, moment of torsion can pass through mandrel group
Part is delivered to connector, is so just capable of the separation of connector and sealing drum by the way of machinery rotates, thus will seal
Precalculated position stayed by cylinder, completes the operation of giving up of releasing tool.Owing to limiting section has the first operating position, when limiting section is in
During the first operating position, limiting section abuts with connector so that connector and sealing drum are in screw-threaded coupling state, so, seals
Cylinder forms integrative-structure with releasing tool, and sealing drum just can be delivered to precalculated position by releasing tool.Owing to limiting section has
Two operating positions, limiting section separates with connector so that connector and sealing drum are in screw thread and get loose state, so, at connector
In the case of not being damaged with the helicitic texture of sealing drum, it is achieved that the disengaging between connector and sealing drum, thus by carrying
Draw the mandrel component being connected with connector that connector just can be made to separate sealing drum is stayed precalculated position with sealing drum.Therefore,
Releasing tool of the present utility model can complete, by two ways, operation of giving up, and when a certain kind mode of giving up lost efficacy, gives up
Instrument remains to use the another kind mode of giving up to complete the effect of giving up.So, not only increase the dependability of releasing tool, also
Make to ensure that releasing tool completes to give up the reliability of operation, the most effectively extend the service life of releasing tool.Meanwhile, this reality
With novel releasing tool, also there is simple in construction and the feature of operation safety.
Accompanying drawing explanation
The Figure of description of the part constituting the application is used for providing being further appreciated by of the present utility model, of the present utility model
Schematic description and description is used for explaining this utility model, is not intended that improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 shows the structural representation of the releasing tool with sealing drum according to a kind of alternative embodiment of the present utility model；
And
Fig. 2 shows the partial enlarged drawing in Fig. 1 at A.
Wherein, above-mentioned accompanying drawing includes the following drawings labelling:
10, sealing drum；101, the 3rd pressure transmission through hole；102, second square structure is passed；112, pressure pocket；1121, the first sub-chamber
Body；1122, the second sub-cavity；20, mandrel component；21, top connection；211, the 4th pressure transmission through hole；212, moment of torsion transmission block；
22, upper mandrel；221, the first stop configurations；222, the first pressure transmission through hole；23, lower mandrel；30, connector；31,
One circumference drive mechanism；32, outer silk screw thread；33, space；331, movement clearance；40, limiting section；41, support group
Part；411, support set；412, the first movable part；4121, the second stop configurations；4122, the second pressure transmission through hole；413, close
Sealing；414, safety collar；42, first shear pin is sheared；50, square portion is passed；51, regulation set；52, the second movable part；521、
First passes square structure；522, sliding elongated hole；53, snap ring；60, second shear pin is sheared；70, baffle ring.
Detailed description of the invention
It should be noted that in the case of not conflicting, the embodiment in the application and the feature in embodiment can be mutually combined.
Describe this utility model below with reference to the accompanying drawings and in conjunction with the embodiments in detail.
It it is noted that described further below is all exemplary, it is intended to provide further instruction to the application.Unless otherwise finger
Bright, all technology used herein and scientific terminology have and are generally understood that with the application person of an ordinary skill in the technical field
Identical meanings.
In this utility model, in the case of illustrating on the contrary, the noun of locality of use such as " upper and lower " is typically for attached
For direction shown in figure, or for on vertical, vertical or gravity direction；Similarly, for ease of understand and
Describing, " left and right " is typically for shown in the drawings left and right；" inside and outside " refers to the profile relative to each parts itself
Inside and outside, but the above-mentioned noun of locality is not limited to this utility model.
In order to solve releasing tool of the prior art complete to give up operation poor reliability and structure is complicated, the most easy-operating asks
Topic, this utility model provides a kind of releasing tool.
As depicted in figs. 1 and 2, of the present utility model for sealing drum 10 stays the releasing tool in precalculated position include mandrel group
Part 20, connector 30 and limiting section 40, a part for mandrel component 20 stretches in sealing drum 10；At least the one of connector 30
Part is folded between the outer peripheral face of mandrel component 20 and the inner peripheral surface of sealing drum 10 so that connector 30 is along with mandrel component 20
Rotation and rotate, connector 30 and sealing drum 10 are threaded；Limiting section 40 is positioned at the outer peripheral face of mandrel component 20 and close
Between the inner peripheral surface of sealed tube 10, limiting section 40 has the first operating position and the second operating position, when limiting section 40 is in first
During operating position, limiting section 40 abuts with connector 30 so that connector 30 and sealing drum 10 are in screw-threaded coupling state；When
When limiting section 40 is in the second operating position, limiting section 40 separates with connector 30 so that connector 30 is in sealing drum 10
Screw thread gets loose state.
Due to threaded between connector 30 and sealing drum 10, moment of torsion can be delivered to connector 30 by mandrel component 20,
By the way of machinery rotates, so just it is capable of connector 30 and the separation of sealing drum 10, thus sealing drum 10 is stayed pre-
Location is put, and completes the operation of giving up of releasing tool.
Owing to limiting section 40 has the first operating position, when limiting section 40 is in the first operating position, limiting section 40 be connected
Part 30 abuts so that connector 30 and sealing drum 10 are in screw-threaded coupling state, and so, sealing drum 10 is formed with releasing tool
Integrative-structure, sealing drum 10 just can be delivered to precalculated position by releasing tool.
Owing to limiting section 40 has the second operating position, limiting section 40 separates with connector 30 so that connector 30 and sealing drum
10 are in screw thread gets loose state, so, in the case of the helicitic texture of connector 30 and sealing drum 10 is not damaged, real
Show the disengaging between connector 30 and sealing drum 10, thus by lifting the mandrel component 20 being connected with connector 30 just
Connector 30 can be made to separate sealing drum 10 is stayed precalculated position with sealing drum 10.Therefore, work of giving up of the present utility model
Tool can complete, by two ways, operation of giving up, and when a certain kind mode of giving up lost efficacy, releasing tool remains to use another kind
The mode of giving up completes the effect of giving up.So, not only increase the dependability of releasing tool, also make to ensure that releasing tool is complete
Become the reliability of operation of giving up, the most effectively extend the service life of releasing tool.Meanwhile, releasing tool of the present utility model is also
There is simple in construction and the feature of operation safety.
As it is shown in figure 1, in an alternative embodiment of the present utility model, connector 30 in tubular, tubular connector 30
Inner peripheral surface on be provided with first circumference drive mechanism 31, the outer peripheral face of mandrel component 20 is provided with and first circumference drive mechanism
31 the second circumference drive mechanisms matched.So, the first circumference drive mechanism 31 and the second circumference drive mechanism snap-fit with
Enable the first circumference drive mechanism 31 and the second circumference drive mechanism circumferential clocking of turbine to rotate, thus ensure that mandrel component 20 will
Its moment of torsion being subject to stably passes to connector 30, makes connector 30 can rotate along with the rotation of mandrel component 20, enters
And ensure that the reliability that releasing tool works.
Alternatively, first circumference drive mechanism 31 be the inner circumferential by connector 30 stretch out towards mandrel component 20 side at least one
Individual projection, the second circumference drive mechanism is and the groove of protruding snap-fit engagement.Use this optional embodiment, not only ensure
The stability of moment of torsion transmission between mandrel component 20 and connector 30, but also simplify mandrel component 20 and connector 30
Assembly or disassembly process, thus improve the convenience of releasing tool.
Still optionally further, projection is multiple, and multiple projections are spaced setting around the inner peripheral surface of connector 30.In this optional reality
Executing in mode, mandrel component 20 delivers torque to connector 30, it is possible to effectively increase mandrel component 20 and connector 30
Between contact area so that the twisting resistance between the first circumference drive mechanism 31 and the second circumference drive mechanism is evenly distributed,
Avoid releasing tool and cause damage of components because local pressure is excessive, and then improve the service life of releasing tool.
As it is shown in figure 1, when releasing tool is in use state, limiting section 40 is positioned at the lower section of connector 30, works as limiting section
40 when being in the first operating position, and the upper end of limiting section 40 abuts with the lower end of connector 30；When limiting section 40 is in the second work
When making position, the upper end of limiting section 40 separates with the lower end of connector 30.So, between limiting section 40 and mandrel component 20
Constraint disappear after, limiting section 40 can be changed to the second operating position by the first operating position under gravity,
So that the abutting power between limiting section 40 and connector 30 disappears.
As depicted in figs. 1 and 2, the outer peripheral face of connector 30 has outer silk screw thread 32, and outer silk screw thread 32 has along connector 30
At least one deformation otch (not shown) of offering of axial direction.So, the upper end of limiting section 40 and the lower end of connector 30
During separation, due to the existence of deformation otch, connector 30 can produce certain undergauge deformation in the radial direction thereof, so that connector
The restriction ability having between the certain of deformation otch and the thread segment of sealing drum 10 of 30 reduces.So so that connector 30
By during along the external force of the axial direction of mandrel component 20, it is possible to be separated from sealing drum 10 the most swimmingly, thus really
Protect releasing tool can be smoothly detached with sealing drum 10, and then ensure that the reliability of the operation of giving up of releasing tool.
Alternatively, the first circumference drive mechanism 31 is arranged on the side away from limiting section 40 of connector 30, outer silk screw thread 32
It is arranged on the side of the close limiting section 40 of connector 30.This way it is ensured that connector 30 is during transmission moment of torsion, connect
Between position and the position spreading out of moment of torsion of the incoming moment of torsion of part 30, there is farthest distance, thus increase the arm of force, it is ensured that turn round
Square stably transmits.
As depicted in figs. 1 and 2, there is between mandrel component 20 and connector 30 space 33, when limiting section 40 is by first
Operating position is during the second operating position change, and space 33 is for making the connector 30 position relative to sealing drum 10
Put change.Owing to having space 33 between mandrel component 20 and connector 30, thus space 33 is connector 30
Mandrel component 20 axial direction and/or in the radial direction position move and provide headroom, thus upper at limiting section 40
When end separates with the lower end of connector 30, connector 30 can move by the sealing drum 10 motionless relative to position, so that even
Fitting 30 and sealing drum 10 gradually get loose, it is ensured that the stability that connector 30 and sealing drum 10 separate.
As depicted in figs. 1 and 2, mandrel component 20 be circumferentially provided with the first stop configurations 221 that orientation movements space 33 is stretched out,
First stop configurations 221 is positioned at the lower section of connector 30 and abuts in the axial direction of mandrel component 20 with connector 30 or separate,
When limiting section 40 is in the first operating position, the first stop configurations 221 separates and is formed movement clearance 331 with connector 30,
Movement clearance 331 is a part for space 33.
Owing to being provided with the first stop configurations 221, thus after the upper end of limiting section 40 separates with the lower end of connector 30, connect
Part 30 can move downward because of himself action of gravity, and the first stop configurations 221 and the second movable part 52 coordinate connector 30
First circumference drive mechanism 31 is the most spacing in movement clearance 331, thus when reclaiming releasing tool, makes connector 30
It is retracted the most simultaneously.
In a not shown optional embodiment, connector is multiple, and multiple connectors set around the circumferentially-spaced of mandrel component
Putting, each connector is all threadeded with sealing drum when the first operating position.And each connector is also in the first circumference transmission
Under the effect of structure, relative to mandrel component synchronous axial system.Connector is when the first operating position, and limiting section is under connector
Connector is supported by side.Owing to connector and limiting section are inclined-plane mated condition, thus limiting section is in the footpath along mandrel component
A support force is provided to make connector closely cooperate with sealing drum on direction.After limiting section departs from connector, connector is subject to
The radial direction support force arrived disappears, and now, connector and sealing drum restraining forces diametrically can reduce, so that connector is at mandrel
When assembly upwards detaches, connector can be separated from sealing drum with mandrel component.
As depicted in figs. 1 and 2, limiting section 40 includes support component 41 and the first shear scissors abutting with connector 30 or separating
Nail 42；Prop up support component 41 to be arranged on mandrel component 20 by the first shearing shear pin 42, when the first shearing shear pin 42 is in not
When cutting off state, limiting section 40 is in the first operating position so that connector 30 and sealing drum 10 are in screw-threaded coupling state, when
First shearing shear pin 42 is in when cutting off state, and limiting section 40 is in the second operating position, limiting section 40 and connector 30 points
From so that connector 30 and sealing drum 10 are in screw thread and get loose state.
During transferring releasing tool and sealing drum 10, owing to the first shearing shear pin 42 is not affected by the effect of external force, thus
A support component 41 can be made to keep the abutting with connector 30, and now the first shearing shear pin 42 is in the state of not cutting off.At this moment,
First shears shear pin 42, and by a support component 41 and mandrel component 20 is fixed together so that connector 30 is supported assembly all the time
The effect of the abutting power of 41, and then ensure that connector 30 and sealing drum 10 are in screw-threaded coupling state all the time, it is ensured that connect
Connection reliability between part 30 and sealing drum 10.Moreover, after sealing drum 10 arrives predeterminated position, the first shear scissors
After nail 42 is cut-off, a support component 41 moves downward so that connector 30 is not in the support of assembly 41 that is supported, now,
Just can realize releasing tool and separate with sealing drum 10 by above carrying mandrel component 20 and reclaim releasing tool.
As it is shown in figure 1, a support component 41 includes being set in the support set 411 outside mandrel component 20 and along mandrel component 20
Axially supporting the first movable part 412 of support set 411, support set 411 abuts with connector 30 or separates；First movable part 412
Shear shear pin 42 by first to be arranged on mandrel component 20, when limiting section 40 is in the first operating position, the first movable part
Pressure pocket 112, core is formed between 412 and the side towards mandrel component 20 of support set 411 and the outer peripheral face of mandrel component 20
The sidewall of shaft assembly 20 has the first pressure transmission through hole 222, and the inwall of mandrel component 20 passes through the first pressure transmission through hole 222 and pressure pocket
112 connections.So, liquid can be entered in pressure pocket 112 by the first pressure transmission through hole 222 to cut off the first shearing shear pin 42.
As it is shown in figure 1, the first movable part 412 has the second stop configurations 4121 stretched out towards mandrel component 20 side, second
Pressure pocket 112 is the first sub-cavity 1121 and the second sub-cavity 1122 along the axially spaced of mandrel component 20 by stop configurations 4121,
First sub-cavity 1121 is relative to the second sub-cavity 1122 near the side of connector 30, and the first pressure transmission through hole 222 and second is sub
Cavity 1122 connects；First movable part 412 has the second pressure transmission through hole 4122 connected with the first sub-cavity 1121, sealing drum
The sidewall of 10 has the 3rd pressure transmission through hole 101, and the second pressure transmission through hole 4122 connects with the 3rd pressure transmission through hole 101.So, it is ensured that
Enter into the first sub-sub-cavity of cavity 1121 or the second 1122, so that the first movable part 412 is by downward work liquid stabilising
Firmly cut off the first shearing shear pin 42.
As depicted in figs. 1 and 2, support component 41 also includes sealing member 413 and safety collar 414, and sealing member 413 is arranged on the
Between two stop configurations 4121 and the outer peripheral face of mandrel component 20；And/or safety collar 414 is arranged on support set 411 and mandrel group
Between the outer peripheral face of part 20.Owing to sealing member 413 is arranged between the second stop configurations 4121 and the outer peripheral face of mandrel component 20,
Thus ensure that the sealing between the first pressure transmission through hole 222 and the second sub-cavity 1122.Owing to safety collar 414 is arranged on support
Between set 411 and the outer peripheral face of mandrel component 20, thus when limiting section 40 is in the first operating position, safety collar 414 is to propping up
Support set 411 has position-limiting action, and when limiting section 40 is in the second operating position, safety collar 414 can be along deviating from mandrel group
The direction of part 20 departs from mandrel component 20 and loses the position-limiting action to support set 411 so that support set 411 moves downward.
As it is shown in figure 1, releasing tool also includes being set on mandrel component 20 and can sliding along the axial direction of mandrel component 20
Dynamic biography square portion 50 and second shears shear pin 60, and biography square portion 50 has transfers biography square position and biography square position of giving up；Pass square portion 50
Shear shear pin 60 by second to be connected with mandrel component 20；When the second shearing shear pin 60 is in and does not cuts off state, pass square portion 50
It is in and transfers biography square position so that passing square portion 50 and being connected with sealing drum 10 locking and the moment of torsion of mandrel component 20 is passed to sealing drum
10；When the second shearing shear pin 60 is in and cuts off state, biography square portion 50 is in gives up biography square position so that passing square portion 50 and sealing
Cylinder 10 separates and the moment of torsion of mandrel component 20 is passed to connector 30.
Owing to being provided with the second shearing shear pin 60, thus when the second shearing shear pin 60 is before and after being in the state of cutting off, it is ensured that pass
Square portion 50 is by transferring biography square position to biography square position motion of giving up.Specifically, releasing tool and the mistake of sealing drum 10 are being transferred
Cheng Zhong, biography square portion 50 is in transfers biography square position (as shown in Figure 1), and now, mandrel component 20 meeting will by passing square portion 50
The moment of torsion self being subject to is delivered to square portion 50, and the moment of torsion that biography square portion 50 is subject to again is delivered to sealing drum 10, so that close
Sealed tube 10 rotates along with the rotation of releasing tool, when the overall tubing string with releasing tool and sealing drum 10 is lowered into bore hole water
Flat section and when meeting with obstruction, it is possible to made overall tubing string through hindering thing to continue traveling downwardly by rotational release instrument.Work as sealing drum
After 10 arrive predeterminated position, cut off the second shearing shear pin 60, pass square portion 50 entirety and move upward, pass square portion 50 and arrive biography of giving up
Square position (not shown), now, mandrel component 20 is by being no longer transmitted to sealing drum 10 after moment of torsion, but the company of being directly delivered to
Fitting 30, accordingly even when when limiting section 40 is in the first operating position, it is also possible to realize losing by the way of rotational release instrument
Hand-held tool separates with sealing drum 10, thus sealing drum 10 is stayed precalculated position, it is achieved the recovery of releasing tool.
The mode that biography square portion 50 entirety moves upward is as follows: be provided with the 4th pressure transmission through hole 211 as it is shown in figure 1, pass in square portion 50,
Pass and be surrounded by sealing cavity between square portion 50 and mandrel component 20, in the inner circumferential side and the periphery of mandrel component 20 that pass square portion 50
Side is respectively provided with one for the O RunddichtringO by sealing cavities seals；4th pressure transmission through hole 211 connects with sealing cavity, this
Sample, liquid can be entered in sealing cavity by the 4th pressure transmission through hole 211, seals cavity and bears pressure so that second shears shear pin
60 are cut off by shear action, move upward under the effect of liquid thrust so that passing square portion 50, to complete to pass square portion
50 by transferring the motor process passing square position to biography square position of giving up.
As it is shown in figure 1, releasing tool also includes that baffle ring 70, baffle ring 70 are set on mandrel component 20 passes square portion to limit
The motion of 50, passes square portion 50 being located axially between baffle ring 70 and sealing drum 10 along mandrel component 20.So, keep away
Exempt to pass square portion 50 to move upward excess and collide damage with other structural members outside releasing tool.
As it is shown in figure 1, the end face towards one end of sealing drum 10 passing square portion 50 has the first biography square structure 521, sealing drum
10 have the second biography square structure 102 matched with the first biography square structure 521.First passes square structure 521 and second passes square structure
102 is the concave-convex fit structure of mutual clamping.So, when biography square portion 50 is in and transfers biography square position, it is ensured that mandrel component
The moment of torsion of 20 stably passes to sealing drum 10.
As it is shown in figure 1, pass square portion 50 have at least one sliding elongated hole 522 that the sidewall in through biography square portion 50 is arranged, sliding is long
The length direction in hole 522 is the axial of mandrel component 20.Mandrel component 20 has at least one moment of torsion transmission block 212, each cunning
A moment of torsion transmission block 212 it is embedded with in moving elongated hole 522.So, when passing square portion 50 by transferring biography square position to biography square position of giving up
In the motor process put, moment of torsion transmission block 212 just moves at the length direction of sliding elongated hole 522, and sliding elongated hole 522 also acts as
Limit the effect of the displacement that mandrel component 20 moves upward.When mandrel component 20 rotates, moment of torsion transmission block 212 is connected to
On the inner edge wall of sliding elongated hole 522, so that the moment of torsion of mandrel component 20 is efficiently transferred to pass in square portion 50 all the time.
As it is shown in figure 1, pass square portion 50 to include the regulation being axially the sequentially connected with set 51 along mandrel component 20 and the second movable part 52,
Regulation set 51 and the second movable part 52 are threaded.Pass square portion 50 and include the regulation being axially sequentially connected with along mandrel component 20
Set 51 and the second movable part 52, regulation set 51 and the second movable part 52 are threaded；Second movable part 52 has the first biography square
Structure 521.Pass square portion 50 and include the regulation being axially the sequentially connected with set 51 along mandrel component 20 and the second movable part 52, regulation
Set 51 and the second movable part 52 are threaded；Second movable part 52 has sliding elongated hole 522.Regulation set 51 and the second movable part
The screw thread rotation between screw thread rotation direction and connector 30 and sealing drum 10 between 52 is in opposite direction.So, when by rotation
Turn connector 30 and during making connector 30 separate with sealing drum 10, it is to avoid regulation set 51 and the second movable part 52 lead to
The phenomenon crossing rotational release and cause releasing tool to lose efficacy, thus improve the stability of releasing tool work.
As it is shown in figure 1, pass the snap ring 53 that square portion 50 also includes being arranged between regulation set 51 and the outer peripheral face of mandrel component 20,
During biography square portion 50 moves upward under the effect of liquid thrust, snap ring 53 moves upward also with passing square portion 50, by
Having one-way movement characteristic in snap ring 53, it can hold mandrel component 20 tightly during moving upward, thus avoids biography square portion
50 are acted on decline by self gravitation and cause moment of torsion transmission mistake to cause the consequence of releasing tool work actual effect, and then guarantee
The reliability of releasing tool work.
Alternatively, described snap ring 53 is c-type snap ring.
As it is shown in figure 1, mandrel component 20 include axially being sequentially connected with along mandrel component 20 top connection 21, upper mandrel 22 and under
Mandrel 23, top connection 21 and upper mandrel 22 are threaded, and upper mandrel 22 and lower mandrel 23 are threaded.Top connection 21 and upper
Screw thread rotation direction between mandrel 22 is in opposite direction with connector 30 and sealing drum 10 screw thread rotation；Upper mandrel 22 and lower core
Screw thread rotation direction between axle 23 is in opposite direction with connector 30 and sealing drum 10 screw thread rotation.So, when by rotating even
Fitting 30 and during making connector 30 separate with sealing drum 10, it is to avoid top connection 21 and upper mandrel 22 threaded with
And the phenomenon that upper mandrel 22 and lower mandrel 23 cause releasing tool to lose efficacy by rotational release, thus improve releasing tool work
The stability made.
Alternatively, the outer peripheral face of connector 30 has outer silk screw thread 32, and outer silk screw thread 32 is left-handed outer silk male thread.Now,
Regulation set 51 and second movable part 52, between top connection 21 and upper mandrel 22 mandrel 22 threaded, upper and lower mandrel 23
Screw thread is right-handed thread.
Describe two kinds of modes of giving up of releasing tool of the present utility model in detail below:
Mode one: when the overall tubing string with releasing tool and sealing drum 10 is transferred to the predeterminated position of sealing drum 10 and completes liquid
After pressure hanging packer is setting, tool is squeezed in the top of hanging packer, space (not shown) between the outside of tubing string and sleeve pipe
There is the liquid of pressure, entered in the first sub-cavity 1121 by the 3rd pressure transmission through hole 101 and the second pressure transmission through hole 4122, so that
Act on the first movable part 412 to pressure, make the first movable part 412 by downward power, when fluid pressure reaches the value that sets
Time, act on the power on the first movable part 412 and can cut off the first shearing shear pin 42, so that the first movable part 412 moves downward,
Safety collar 414 loses limit function, and support set 411 moves down, and so, the bottom of connector 30 just loses propping up of support set 411
Support, upper carry mandrel component 20 time, the part with outer silk screw thread 32 of connector 30 inside contracts so that connector 30 with
Sealing drum 10 disengages, and realizes the operation of giving up of releasing tool after above carrying mandrel component 20.
Mode two: when hydraulic suspension packer is setting suppressing, liquid enters from the 4th pressure transmission through hole 211 and seals cavity, makes biography
Square portion 50, by power upwards, when the fluid pressure sealed in cavity reaches the value set, acts on the power meeting passed in square portion 50
Cutting off the second shearing shear pin 60, moving up so that passing square portion 50 so that pass the first biography square structure 521 in square portion 50 with close
Second biography square structure 102 of sealed tube 10 upper end separates, and snap ring 53 shrinks simultaneously, prevents passing square portion 50 and falls after rise, then mandrel group
Part 20, makes releasing tool and sealing drum 10 bear drag load, then rotary core shaft assembly 20, makes the screw thread of connector 30 with close
The screw thread of sealed tube 10 disengages, and last directly releasing tool realizes giving up operation.
It is setting that releasing tool of the present utility model can also realize hanging packer, and detailed process is as follows: when with giving up
The overall tubing string decentralization process of instrument and sealing drum 10 occurring, fortuitous event can not carry out setting hanging packer according to normal procedure
Time, ball can be put in the central canal (not shown) of releasing tool, ball falls at the conical surface of setting ball seat, then at tubing string
Inside is suppressed, and liquid enters into the inside of hydraulic suspension packer by the pressure transmission hydrophthalmia at the middle part of lower mandrel 23, makes suspension insulate
Device is setting；Then realize sending the operation reclaim releasing tool of giving up of well tool by the above-mentioned mode of giving up.
Releasing tool of the present utility model has the further advantage that
1. using releasing tool of the present utility model to carry out giving up before and after operation, the screw thread of sealing drum 10 upper end is intact and exposed
Outside, thus can descend tieback string again, carry out follow-up construction.
Releasing tool simple in construction the most of the present utility model, and safe and reliable, the problems in construction can be solved.
It should be noted that term used herein above merely to describe detailed description of the invention, and be not intended to restricted root according to this Shen
Illustrative embodiments please.As used herein, unless the context clearly indicates otherwise, otherwise singulative is also intended to
Including plural form, additionally, it should be understood that, when using term " to comprise " in this manual and/or time " including ",
It indicates existing characteristics, step, work, device, assembly and/or combinations thereof.
It should be noted that term " first " in the description and claims of this application and above-mentioned accompanying drawing, " second " etc.
It is for distinguishing similar object, without being used for describing specific order or precedence.Should be appreciated that the data of so use
Can exchange in the appropriate case, in order to presently filed embodiment described herein can be with except here illustrating or describing
Order beyond those is implemented.
The foregoing is only preferred embodiment of the present utility model, be not limited to this utility model, for this area
For technical staff, this utility model can have various modifications and variations.All within spirit of the present utility model and principle, institute
Any modification, equivalent substitution and improvement etc. made, within should be included in protection domain of the present utility model.
Claims (26)
1. a releasing tool, for sealing drum (10) is stayed in precalculated position, it is characterised in that including:
Mandrel component (20), a part for described mandrel component (20) stretches in described sealing drum (10)；
Connector (30), the outer peripheral face being folded in described mandrel component (20) at least partially of described connector (30)
And so that described connector (30) turning along with described mandrel component (20) between the inner peripheral surface of described sealing drum (10)
Moving and rotate, described connector (30) and described sealing drum (10) are threaded；
Limiting section (40), described limiting section (40) is positioned at outer peripheral face and the described sealing drum (10) of described mandrel component (20)
Inner peripheral surface between, described limiting section (40) has the first operating position and the second operating position, when described limiting section (40)
When being in described first operating position, described limiting section (40) abuts with described connector (30) so that described connector
(30) it is in screw-threaded coupling state with described sealing drum (10)；When described limiting section (40) is in described second work
During position, described limiting section (40) separates with described connector (30) so that described connector (30) and described sealing
Cylinder (10) is in screw thread and gets loose state.
Releasing tool the most according to claim 1, it is characterised in that described connector (30) in tubular, tubular institute
State and on the inner peripheral surface of connector (30), be provided with the first circumference drive mechanism (31), the periphery of described mandrel component (20)
The the second circumference drive mechanism matched with described first circumference drive mechanism (31) it is provided with on face.
Releasing tool the most according to claim 2, it is characterised in that described first circumference drive mechanism (31) is by described
At least one projection that the inner circumferential of connector (30) is stretched out towards described mandrel component (20) side, described second circumference
Drive mechanism is and the groove of described protruding snap-fit engagement.
Releasing tool the most according to claim 3, it is characterised in that described projection is multiple, multiple described projections are around described
The inner peripheral surface interval of connector (30) is arranged.
Releasing tool the most according to claim 2, it is characterised in that the outer peripheral face of described connector (30) has outer silk spiral shell
Stricture of vagina (32), described outer silk screw thread (32) has at least one deformation that the axial direction along described connector (30) is offered
Otch.
Releasing tool the most according to claim 5, it is characterised in that when described releasing tool is in use state, described
Limiting section (40) is positioned at the lower section of described connector (30), when described limiting section (40) is in described first working position
When putting, the upper end of described limiting section (40) abuts with the lower end of described connector (30)；When limiting section (40) is in
During described second operating position, the upper end of described limiting section (40) separates with the lower end of described connector (30).
Releasing tool the most according to claim 6, it is characterised in that described first circumference drive mechanism (31) is arranged on institute
Stating the side away from described limiting section (40) of connector (30), described outer silk screw thread (32) is arranged on described connection
The side of the close described limiting section (40) of part (30).
Releasing tool the most according to claim 6, it is characterised in that described mandrel component (20) and described connector (30)
Between there is space (33), when described limiting section (40) by described first operating position to described second operating position
During change, described space (33) is used for making described connector (30) relative to described sealing drum (10)
Change in location.
Releasing tool the most according to claim 8, it is characterised in that described mandrel component (20) be circumferentially provided with towards
The first stop configurations (221) that described space (33) stretches out, described first stop configurations (221) is positioned at described company
The lower section of fitting (30) also abuts with described connector (30) in the upper of described mandrel component (20) or separate,
When described limiting section (40) is in described first operating position, described first stop configurations (221) and described connector
(30) separating and formed movement clearance (331), described movement clearance (331) is of described space (33)
Point.
Releasing tool the most according to claim 1, it is characterised in that described limiting section (40) including:
The support component (41) abutting with described connector (30) or separating；
First shears shear pin (42), and described support component (41) is sheared shear pin (42) by described first and be arranged on described
On mandrel component (20), when described first shearing shear pin (42) is in and does not cuts off state, described limiting section (40)
It is in described first operating position so that described connector (30) and described sealing drum (10) are in screw-threaded coupling state,
When the first shearing shear pin (42) is in and cuts off state, described limiting section (40) is in described second operating position, institute
State limiting section (40) and separate with described connector (30) so that described connector (30) and described sealing drum (10) place
Get loose state in screw thread.
11. releasing tools according to claim 10, it is characterised in that described support component (41) including:
It is set in the support set (411) in described mandrel component (20) outside, described support set (411) and described connector
(30) abut or separate；
Along first movable part (412) axially supporting described support set (411) of described mandrel component (20), described the
One movable part (412) is sheared shear pin (42) by described first and is arranged on described mandrel component (20), when described limit
When position portion (40) is in described first operating position, described first movable part (412) and described support set (411)
Pressure pocket (112) is formed between the side and the outer peripheral face of described mandrel component (20) of described mandrel component (20),
The sidewall of described mandrel component (20) has the first pressure transmission through hole (222), and the inwall of described mandrel component (20) passes through
Described first pressure transmission through hole (222) connects with described pressure pocket (112).
12. releasing tool according to claim 11, it is characterised in that described first movable part (412) has towards described core
The second stop configurations (4121) that shaft assembly (20) side is stretched out, described second stop configurations (4121) is by described pressure-bearing
Chamber (112) is the first sub-cavity (1121) and the second sub-cavity (1122) along the axially spaced of described mandrel component (20),
Described first sub-cavity (1121) relative to described second sub-cavity (1122) near the side of described connector (30),
Described first pressure transmission through hole (222) connects with described second sub-cavity (1122)；Described first movable part (412) has
The the second pressure transmission through hole (4122) connected with described first sub-cavity (1121), the sidewall of described sealing drum (10) has
3rd pressure transmission through hole (101), described second pressure transmission through hole (4122) connects with described 3rd pressure transmission through hole (101).
13. releasing tools according to claim 12, it is characterised in that described support component (41) also includes:
Sealing member (413), described sealing member (413) is arranged on described second stop configurations (4121) and described mandrel group
Between the outer peripheral face of part (20)；And/or
Safety collar (414), described safety collar (414) is arranged on described support set (411) and described mandrel component (20)
Outer peripheral face between.
14. releasing tools according to claim 1, it is characterised in that described releasing tool also includes:
It is set in the biography square that described mandrel component (20) is upper and can slide along the axial direction of described mandrel component (20)
Portion (50), described biography square portion (50) has transfers biography square position and biography square position of giving up；
Second shears shear pin (60), and described biography square portion (50) shears shear pin (60) and described mandrel group by described second
Part (20) connects；
When described second shear shear pin (60) be in do not cut off state time, described biography square portion (50) be in described in transfer biography
Square position is so that described biography square portion (50) is connected and by described mandrel component (20) with described sealing drum (10) locking
Moment of torsion passes to described sealing drum (10)；When described second shearing shear pin (60) is in and cuts off state, described biography square portion
(50) be in described in give up biography square position so that described biography square portion (50) separates and by described with described sealing drum (10)
The moment of torsion of mandrel component (20) passes to described connector (30).
15. releasing tools according to claim 14, it is characterised in that described releasing tool also includes baffle ring (70), institute
State baffle ring (70) to be set on described mandrel component (20) to limit the motion of described biography square portion (50), described biography
Square portion (50) is being located axially at described baffle ring (70) and described sealing drum (10) along described mandrel component (20)
Between.
16. releasing tools according to claim 14, it is characterised in that described biography square portion (50) towards described sealing drum (10)
The end face of one end there is the first biography square structure (521), described sealing drum (10) has and described first passes square structure (521)
The second biography square structure (102) matched.
17. releasing tools according to claim 16, it is characterised in that described first passes square structure (521) and described second
Pass the concave-convex fit structure that square structure (102) is mutual clamping.
18. releasing tools according to claim 14, it is characterised in that described biography square portion (50) has through described biography square portion
(50) at least one sliding elongated hole (522) that sidewall is arranged, the length direction of described sliding elongated hole (522) is described
Mandrel component (20) axial.
19. releasing tools according to claim 18, it is characterised in that described mandrel component (20) has at least one moment of torsion
Transmission block (212), is embedded with described moment of torsion transmission block (212) in each described sliding elongated hole (522).
20. releasing tools according to claim 14, it is characterised in that described biography square portion (50) includes along described mandrel component
(20) the regulation set (51) being axially sequentially connected with and the second movable part (52), described regulation set (51) and described the
Two movable parts (52) are threaded.
21. releasing tools according to claim 16, it is characterised in that described biography square portion (50) includes along described mandrel component
(20) the regulation set (51) being axially sequentially connected with and the second movable part (52), described regulation set (51) and described the
Two movable parts (52) are threaded；Described second movable part (52) has described first and passes square structure (521).
22. releasing tools according to claim 18, it is characterised in that described biography square portion (50) includes along described mandrel component
(20) the regulation set (51) being axially sequentially connected with and the second movable part (52), described regulation set (51) and described the
Two movable parts (52) are threaded；Described second movable part (52) has described sliding elongated hole (522).
23. releasing tools according to claim 20, it is characterised in that described regulation set (51) and described second movable part (52)
Between screw thread rotation direction and described connector (30) and described sealing drum (10) between screw thread rotation in opposite direction.
24. releasing tools according to claim 23, it is characterised in that the outer peripheral face of described connector (30) has outer silk spiral shell
Stricture of vagina (32), described outer silk screw thread (32) is left-handed outer silk male thread.
25. releasing tools according to claim 1, it is characterised in that described mandrel component (20) includes along described mandrel group
The top connection (21) that part (20) is axially sequentially connected with, upper mandrel (22) and lower mandrel (23), described top connection (21)
Threaded with described upper mandrel (22), described upper mandrel (22) and described lower mandrel (23) are threaded.
26. releasing tools according to claim 25, it is characterised in that described top connection (21) and described upper mandrel (22)
Between screw thread rotation direction in opposite direction with described connector (30) and described sealing drum (10) screw thread rotation；Described
Screw thread rotation direction between upper mandrel (22) and described lower mandrel (23) and described connector (30) and described sealing
Cylinder (10) screw thread rotation is in opposite direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620268743.1U CN205532417U (en) | 2016-03-31 | 2016-03-31 | Releasing tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620268743.1U CN205532417U (en) | 2016-03-31 | 2016-03-31 | Releasing tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205532417U true CN205532417U (en) | 2016-08-31 |
Family
ID=57141192
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620268743.1U Active CN205532417U (en) | 2016-03-31 | 2016-03-31 | Releasing tool |
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| Country | Link |
|---|---|
| CN (1) | CN205532417U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108222854A (en) * | 2016-12-21 | 2018-06-29 | 中国石油天然气股份有限公司 | Stress joint |
-
2016
- 2016-03-31 CN CN201620268743.1U patent/CN205532417U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108222854A (en) * | 2016-12-21 | 2018-06-29 | 中国石油天然气股份有限公司 | Stress joint |
| CN108222854B (en) * | 2016-12-21 | 2019-06-11 | 中国石油天然气股份有限公司 | Stress joint |
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