CN206220900U - A kind of releasing tool - Google Patents
A kind of releasing tool Download PDFInfo
- Publication number
- CN206220900U CN206220900U CN201621101032.1U CN201621101032U CN206220900U CN 206220900 U CN206220900 U CN 206220900U CN 201621101032 U CN201621101032 U CN 201621101032U CN 206220900 U CN206220900 U CN 206220900U
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- mandrel
- ring
- releasing tool
- ball seat
- elastic claw
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Abstract
The utility model proposes a kind of releasing tool, it includes top connection；The mandrel of the lower end of top connection is fixedly installed on, pressure transmission hole is provided with the side wall of mandrel, the upper setting boss of the mandrel on pressure transmission hole；It is set in the support set in the outside of mandrel；The shell of giving up in the outside of mandrel is set in, give up shell and support set and mandrel formation annular space, annular space have the first receiving space positioned at the upper end of boss；The hydraulic cylinder in the outside of mandrel is arranged in annular space and is set in, the sap cavity of hydraulic cylinder is connected with pressure transmission hole, the cylinder body of hydraulic cylinder is upwardly extended and is selectively connected with boss；The elastic claw assembly in the outside of mandrel is set in, elastic claw assembly includes the collar and elastic claw, and the collar is arranged in first receiving space, and elastic claw extends downwardly into cylinder body and shell of giving up between and is connected with outer casing screw of giving up；The ball seat of the bottom of the inner chamber of mandrel is arranged on, the releasing tool structure simplifies, safe and reliable.
Description
Technical field
The utility model is related to production of hydrocarbons technical field, more particularly, to a kind of releasing tool.
Background technology
Releasing tool is one of the key tool of technology of giving up, and the quality of releasing tool performance directly decides gives up
The construction success rate of technique.
At present, well cementation or the conventional releasing tool of completion practice are still present some shortcomings, for example, complex structure or
The low problem of security performance.
Utility model content
For some or all of of the above-mentioned technical problem in the presence of prior art, the utility model proposes one kind
Releasing tool.The releasing tool simple structure, it is safe to use.
According to the utility model proposes a kind of releasing tool, including：
Top connection,
The mandrel of the lower end of top connection is fixedly installed on, the pressure transmission hole being provided through on the side wall of mandrel, in pressure transmission
The boss of ring-type is set on the outer wall of the mandrel on hole,
Be set in the support set in the outside of mandrel, the upper surface of support set extend radially inwardly to be connected to by top connection and
Within the holding tank that mandrel is formed,
The outside of mandrel is set in, and positioned at the shell of giving up of the lower end of support set, give up shell and support set and mandrel
Annular space is formed, annular space has the first receiving space positioned at the upper end of boss,
The hydraulic cylinder in the outside of mandrel is arranged in annular space and is set in, the sap cavity of hydraulic cylinder is connected with pressure transmission hole, hydraulic pressure
The cylinder body of cylinder is upwardly extended and is selectively connected with boss,
Be arranged on the elastic claw assembly in outside that is in annular space and being set in mandrel, elastic claw assembly include the collar and with set
The elastic claw that ring is fixedly connected, the collar is arranged in first receiving space, elastic claw extend downwardly into cylinder body with give up shell it
Between and be connected with outer casing screw of giving up,
It is arranged on the ball seat of the bottom of the inner chamber of mandrel.
In one embodiment, the collar coordinates with mandrel plug-in, and the axial dimension of first receiving space is more than set
The axial dimension of ring.
In one embodiment, elastic component is set in first receiving space, and elastic component is located on the collar.
In one embodiment, elastic claw assembly includes multiple elastic claws, and elastic claw is arcuation and circumferentially compartment
Set.
In one embodiment, ball seat is connected with mandrel by the first shear pin.
In one embodiment, ball seat set is set in annular space, and ball seat set is set on the lower end outer wall of mandrel, ball seat set
Lower end be provided with can with ball seat coordinate support base.
In one embodiment, limit assembly is set in the lower end of cylinder body, limit assembly includes being set in the outer wall of mandrel
On jump ring and the jump ring lock sleeve for limiting jump ring and be fixedly connected with cylinder body, be provided on the outer wall of mandrel and card
The jump-ring slot of spring matching.
In one embodiment, the outer wall of the radially projecting mandrel in upper surface of ball seat set, and jump-ring slot is located at ball seat set
On.
In one embodiment, centering ring is set in annular space, and centering ring is set on the outer wall of ball seat set.
In one embodiment, rotary components are set in holding tank, and rotary components include being supported with the lower surface of top connection
The second cage ring that the first cage ring for connecing is abutted with the upper surface of support set, it is arranged on the first cage ring and the second cage ring
Between ball and the support frame for limiting ball.
Compared with prior art, the utility model has the advantage of the releasing tool simple structure, it is easy to operate is reliable
Property is high.
Brief description of the drawings
Preferred embodiment of the present utility model is described in detail below in conjunction with accompanying drawing, in figure：
Fig. 1 shows the assembling figure of the releasing tool according to one embodiment of the present utility model；
State diagram after the opening that Fig. 2 shows according to the releasing tool of one embodiment of the present utility model；
Fig. 3 shows state diagram after the giving up of the releasing tool according to one embodiment of the present utility model；
Fig. 4 shows the elastic claw assembly assumption diagram according to one embodiment of the present utility model；
In the accompanying drawings, identical part uses identical reference.Accompanying drawing is not drawn according to actual ratio.
Specific embodiment
The utility model is described further below in conjunction with accompanying drawing.
Fig. 1 shows the releasing tool 100 according to one embodiment of the present utility model.As shown in figure 1, releasing tool
100 include top connection 1, mandrel 8, support set 6, shell 13 of giving up, hydraulic cylinder 10, elastic claw assembly 7 and ball seat 16.Wherein, on
Joint 1 is cylindrical in shape, and is connected for other parts with pipe string.Mandrel 8 is cylindrical in shape, and is fixedly installed on the lower end of top connection 1.
The pressure transmission hole 81 being provided through on the side wall of mandrel 8.The boss 82 of ring-type is set on the outer wall of mandrel 8, and boss 82 is located at
On pressure transmission hole 81.Support set 6 is set in the outside of mandrel 8, and the upper surface of support set 6 extends radially inwardly to be connected to by upper
Within the holding tank 21 that joint 1 and mandrel 8 are formed.Shell 13 of giving up is set in the outside of mandrel 8, and positioned at support set 6
Lower end.In the axial direction, shell 13 of giving up is docked with support set 6, and both form annular space 22 with mandrel 8.Annular space 22 is included positioned at convex
The first receiving space 23 of the upper end of platform 82.Hydraulic cylinder 10 is arranged in annular space 22, and is set in the outside of mandrel 8.Hydraulic cylinder
10 have sap cavity 101 and cylinder body 102, and sap cavity 101 is connected with pressure transmission hole 81, and cylinder body 102 is upwardly extended and selective with boss 82
Connection.Elastic claw assembly 7 is arranged in annular space 22, and is set in the outside of mandrel 8.Elastic claw assembly 7 include the collar 71 and with
The elastic claw 72 that the collar 71 is fixedly connected.The collar 71 is arranged in first receiving space 23, and elastic claw 72 extends downwardly into cylinder body
It is threadedly coupled between 102 and shell 13 of giving up and with shell 13 of giving up.Ball seat 16 is arranged on the bottom of the inner chamber of mandrel 8, is used for
Coordinate with ball 17, and close the inner chamber of releasing tool 100.
Preferably, cylinder body 102 is arranged on mandrel 8 by the second shear pin 9.As shown in figure 4, elastic claw assembly 7 is wrapped
Multiple elastic claws 72 are included, elastic claw 72 is arcuation and circumferentially compartment setting.
Thus, will operated to after design attitude, carrying out input ball 17 under the releasing tool 100.The free-falling of ball 17 is extremely
The position of ball seat 16, forms sealing.Then, the inside to releasing tool 100 by way of pumping pressure liquid builds the pressure, pressure
Liquid is entered into sap cavity 101 by pressure transmission hole 81, and when pressure reaches preset value, the second shear pin 9 is cut.Also,
Under pressure effect, hydraulic cylinder 10 is moved downward, as shown in Figure 2.Now, the branch of cylinder body 102 is lost between spring detent 72 and mandrel 8
Support.Then running tool is above carried, spring detent 72 is proposed from the matching thread of shell 13 of giving up by mandrel 8, that is, complete hydraulic pressure
Give up operation, as shown in Figure 3.The releasing tool 100 just can complete operation of giving up simply by the mode of injection pressure fluid, grasp
Facilitate.Also, the simple structure of releasing tool 100, it is easy to accomplish.
In one embodiment, the collar 71 coordinates with the plug-in of mandrel 8, for enabling that the collar 71 revolves together with mandrel 8
Turn.Specifically, as shown in figure 4, the intracavity section of the collar 71 includes relative two segmental arcs and straight with two that two segmental arcs are connected respectively
Line segment, and two straightway relative type motors difference.Accordingly, the cross section structure at the first receiving space 23 of mandrel 8 also with set
The inner chamber of ring 71 coordinates.By this set, both ensure that the collar 71 can together rotate relative to mandrel 8, in turn ensure that mandrel 8
Mechanical strength, meet use demand.Need when explanatorily, the collar 71 can also by another way realize one with mandrel 8
With the purpose of rotation.The modes such as such as spline or toe joint.
By above-mentioned setting, operation of giving up can be mechanically realized.It is, by under the releasing tool 100
To after design attitude, running tool is rotated, mandrel 8 follows rotation, and is transferred to spring detent 72 by clamping engagement by rotating.By
In spring detent 72 with shell 13 of giving up to be threadedly coupled, realized in the rotary course of spring detent 72 and shell 13 of giving up disengaging.So
Afterwards, then above carry running tool and complete machinery and give up operation.Thus, the releasing tool 100 can not only realize hydraulic releasing, moreover it is possible to
Realize that machinery is given up, it is to avoid or the problem that cannot be given up is reduced, improve construction success rate.In addition, passing through the releasing tool
100 give up simple to operate, and reliability is high.
In addition, axial dimension of the axial dimension of first receiving space 23 more than the collar 71.Thus, give up carrying out machinery
When, the corresponding shell 13 of giving up of elastic claw assembly 7 is rotatably upper to be moved, and first receiving space 23 is the elastic claw assembly of upper shifting
7 provide space.Preferably, elastic component 5 is set in first receiving space 23, and elastic component 5 is located at the upper of elastic claw assembly 7
End.It is further preferred that elastic component 5 is the spring in the outside for being wrapped in mandrel 8.When the production and assembly releasing tool,
Elastic component 5 limits elastic claw assembly 7 and retracts to first receiving space 23, consequently facilitating the elastic claw assembly 7 of connection and shell of giving up
13.And during being moved on the corresponding shell 13 of giving up of elastic claw assembly 7 is rotary, the compression resilience of elastic component 5 has no effect on bullet
The retraction of property claw assembly 7.
According to the utility model, ball seat 16 is connected with mandrel 8 by the first shear pin 15.In addition, being set in annular space 22
Place cover for seat 18.Ball seat set 18 is set on the lower end outer wall of mandrel 8, and the lower end of ball seat set 18 is provided with and can coordinate with ball seat 16
Support base 181.For example, if hydraulic releasing fails, fluid cylinder 10 is not moved.At this point it is possible to the inside of releasing tool 100 after
Continuous to build the pressure, when pressure reaches setting value, the first shear pin 15 is cut.The support base of ball seat set 18 is fallen within so as to ball seat 16
On 181.Now, cross chute and the ball seat 16 of the afterbody of ball seat 16 are got through with ball seat 18 annular clearances of set, thus, set up running tool
The inner cycle channel of pipe string.It is, by above-mentioned setting, even if hydraulic releasing is unsuccessful, can also set up inner cycle channel.
In one embodiment, limit assembly 120 is set in the lower end of cylinder body 102.Limit assembly 120 includes being set in core
Jump ring 11 on the outer wall of axle 8 and the jump ring lock sleeve 12 for limiting jump ring 11 and be fixedly connected with cylinder body 102, in mandrel 8
Outer wall on be provided for the jump-ring slot 121 that is matched with jump ring 11.Under hydraulic action, cylinder body 102 is moved down, and jump ring 11 and jump ring
Lock sleeve 12 follows cylinder body 102 to move down together, and after cylinder body 102 is moved down in place, jump ring 11 is entered under its own resilient effect
In jump-ring slot 121, to form the axial direction limitation to cylinder body 102, the axial float of cylinder body 102 is prevented.
In one embodiment, the outer wall of the radially projecting mandrel 8 in upper surface of ball seat set 18.By this set in mandrel
The boss for being positioned for cylinder body 102 is formd on 8 lower end outer wall.When cylinder body 102 move down run into ball seat set 18 and move to
Position.This set simple structure, it is easy to accomplish.
In order to ensure the property placed in the middle of ball seat set 18, centering ring 14 is set in annular space 22.Centering ring 14 is set in ball seat set
On 18 outer wall.Centering ring 14 can be the striped blocks for radially extending, and set multiple striped blocks in circumferential direction.
According to the utility model, rotary components 130 are set in holding tank 21.Rotary components 130 include and top connection 1
Lower surface abut the first cage ring 2 abutted with the upper surface of support set 6 the second cage ring 2 ', be arranged on the first cage ring 2
And second ball 3 between cage ring 2 ' and be arranged between the first cage ring 2 and the second cage ring 2 ' for limiting ball 3
Support frame 4.Carrying out during machinery gives up, in order to prevent spring detent 72 and frictional force between shell 13 of giving up is excessive,
Top connection 1 can be pushed, compressive load is transferred to rotary components 130, support set 6 and shell 13 of giving up by top connection 1, to ensure bullet
Spring pawl 7 is not subject to axial load.In this case, it is easy to make spring detent 72 with shell 13 of giving up by rotating top connection 1
Depart from.
In the application, it is reference that orientation is used for "up" and "down" with the real work orientation of releasing tool 100.
Preferred embodiment of the present utility model is these are only, but the utility model protection domain is not limited thereto, and appoints
What those skilled in the art can easily be changed or change in technical scope disclosed in the utility model, and this
Being altered or varied should all cover within protection domain of the present utility model.Therefore, protection domain Ying Yiquan of the present utility model
The protection domain of sharp claim is defined.
Claims (10)
1. a kind of releasing tool, it is characterised in that including：
Top connection,
The mandrel of the lower end of the top connection is fixedly connected on, the pressure transmission hole being provided through on the side wall of the mandrel,
The boss of ring-type is set on the outer wall of the mandrel on the pressure transmission hole,
The support set in the outside of the mandrel is set in, the upper surface of the support set extends radially inwardly to be connected to by described
Within the holding tank that top connection and the mandrel are formed,
The outside of the mandrel is set in, and positioned at the shell of giving up of the lower end of the support set, the shell and described of giving up
Support set forms annular space with the mandrel, and the annular space has the first receiving space positioned at the upper end of the boss,
It is arranged in the annular space and is set in the hydraulic cylinder in the outside of the mandrel, the sap cavity of the hydraulic cylinder and the pressure transmission
Hole is connected, and the cylinder body of the hydraulic cylinder is upwardly extended and is selectively connected with the boss,
The elastic claw assembly in outside that is in the annular space and being set in the mandrel is arranged on, the elastic claw assembly includes set
Ring and the elastic claw being fixedly connected with the collar, the collar are arranged in the first receiving space, the elastic claw to
Under extend between the cylinder body and the shell of giving up and be connected with the outer casing screw of giving up,
It is arranged on the ball seat of the bottom of the inner chamber of the mandrel.
2. releasing tool according to claim 1, it is characterised in that the collar coordinates with the mandrel plug-in, and
And the axial dimension of the first receiving space is more than the axial dimension of the collar.
3. releasing tool according to claim 2, it is characterised in that elastic component is set in the first receiving space,
The elastic component is located on the collar.
4. releasing tool according to claim 1, it is characterised in that the elastic claw assembly includes multiple elasticity
Pawl, the elastic claw is arcuation and circumferentially compartment setting.
5. releasing tool according to claim 1, it is characterised in that the ball seat passes through the first shear pin with the mandrel
Nail connection.
6. releasing tool according to claim 5, it is characterised in that ball seat set, the ball seat are set in the annular space
It is set on the lower end outer wall of the mandrel, the lower end of the ball seat set is provided with the support base that can coordinate with the ball seat.
7. releasing tool according to claim 6, it is characterised in that limit assembly, institute are set in the lower end of the cylinder body
Stating limit assembly includes the jump ring being set on the outer wall of the mandrel and for limiting the jump ring and being fixed with the cylinder body
The jump ring lock sleeve of connection, is provided for the jump-ring slot matched with the jump ring on the outer wall of the mandrel.
8. releasing tool according to claim 7, it is characterised in that the radially projecting core in upper surface of the ball seat set
The outer wall of axle, and the jump-ring slot is on ball seat set.
9. releasing tool according to claim 6, it is characterised in that centering ring, the righting are set in the annular space
Ring set is located on the outer wall of the ball seat set.
10. the releasing tool according to any one of claim 1 to 9, it is characterised in that rotation is set in the holding tank
Turn component, the rotary components include the upper of the first cage ring abutted with the lower surface of the top connection and the support set
The second cage ring that end face is abutted, the ball that is arranged between first cage ring and second cage ring and for limiting
The support frame of the ball.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621101032.1U CN206220900U (en) | 2016-09-30 | 2016-09-30 | A kind of releasing tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621101032.1U CN206220900U (en) | 2016-09-30 | 2016-09-30 | A kind of releasing tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206220900U true CN206220900U (en) | 2017-06-06 |
Family
ID=58782639
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621101032.1U Active CN206220900U (en) | 2016-09-30 | 2016-09-30 | A kind of releasing tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206220900U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109653694A (en) * | 2019-02-19 | 2019-04-19 | 中科金佳（北京）油田技术开发有限公司 | A kind of bearing assembly for tubing string |
| CN111927339A (en) * | 2020-09-06 | 2020-11-13 | 中国石油天然气集团有限公司 | Safety joint for staged fracturing pipe column |
| CN113944434A (en) * | 2021-10-28 | 2022-01-18 | 大庆市润百利科技有限公司 | Pressure-resistant safety short circuit |
| CN114439381A (en) * | 2020-11-06 | 2022-05-06 | 中国石油化工股份有限公司 | Releasing device and perforating pipe string comprising same |
-
2016
- 2016-09-30 CN CN201621101032.1U patent/CN206220900U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109653694A (en) * | 2019-02-19 | 2019-04-19 | 中科金佳（北京）油田技术开发有限公司 | A kind of bearing assembly for tubing string |
| CN109653694B (en) * | 2019-02-19 | 2024-03-08 | 中科金佳（北京）油田技术开发有限公司 | Bearing assembly for tubular column |
| CN111927339A (en) * | 2020-09-06 | 2020-11-13 | 中国石油天然气集团有限公司 | Safety joint for staged fracturing pipe column |
| CN114439381A (en) * | 2020-11-06 | 2022-05-06 | 中国石油化工股份有限公司 | Releasing device and perforating pipe string comprising same |
| CN113944434A (en) * | 2021-10-28 | 2022-01-18 | 大庆市润百利科技有限公司 | Pressure-resistant safety short circuit |
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