CN207739986U - A kind of deep water formation isolation valves switching tools - Google Patents
A kind of deep water formation isolation valves switching tools Download PDFInfo
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- CN207739986U CN207739986U CN201721835834.XU CN201721835834U CN207739986U CN 207739986 U CN207739986 U CN 207739986U CN 201721835834 U CN201721835834 U CN 201721835834U CN 207739986 U CN207739986 U CN 207739986U
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- mandrel
- righting
- mounting groove
- copper sheet
- wiper block
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Abstract
The utility model discloses a kind of deep water formation isolation valves switching tools, including top connection, connector sleeve, upper connecting shaft, upper cuff, upper righting mandrel, central tube, lower righting mandrel, lower cuff and guide head, top mounting groove is set outside upper righting mandrel, top wiper block is set in the mounting groove of top, the radial stepped hole of top wiper block setting, is arranged top compression spring between stepped hole and top mounting groove；Elastic claw is set outside central tube, dovetail groove is set outside elastic claw, the annular copper sheet of fan and fan annular opening copper sheet are set in dovetail groove；Lower part mounting groove is set outside lower righting mandrel, lower part wiper block is set in the mounting groove of lower part, lower part compressed spring is arranged in lower part wiper block setting radial stepped hole between stepped hole and lower part mounting groove.The utility model can avoid that bias occurs in deep water formation isolation valves motion process, solves the problems, such as that switching tools accidentally are opened or miss to close and fills sliding sleeve, switching tools can be effectively prevent to scratch filling sliding sleeve sealing drum.
Description
Technical field
The utility model, which relates to, belongs to technical field of petroleum downhole equipment, more specifically, it relates to a kind of deep water stratum every
From valve switching tools.
Background technology
With the fast development of Offshore Oil Industry, operation timeliness, operating cost and the operation peace of oil field development production
Full property increasingly becomes critical issue, and especially during completion and workover treatment, formation isolation protection tool plays extremely heavy
The effect wanted.In order to smoothly complete the exploitation of petroleum gas and the workover treatment of oil/gas well, it is necessary to assure formation isolation valves
Switch motion smoothly carries out safely.Righting structure does not have by compression elasticity formation isolation valves switching tools in the prior art up and down
Deformability, and outer diameter, less than formation isolation valves sleeve diameter is engaged with to obtain, righting effect and eccentric abrasion prevention effect are undesirable,
Chance card possibility in operation process is increased, and when by filling sliding sleeve and is likely to occur accidentally opening or accidentally closes filling sliding sleeve
And the problem of scratching filling sliding sleeve sealing drum.
Utility model content
The purpose of this utility model is to overcome deficiency in the prior art, provide a kind of flexible righting structure of band and
The deep water formation isolation valves switching tools of anti-scratch copper sheet can be realized by the cooperation with deep water formation isolation valve arrangement
The switch motion of deep water formation isolation valves, righting structure have elastic compressive deformation ability, can be to avoid switching tools in deep water
Bias occurs in formation isolation valves motion process, and solves switching tools and is slided by filling sliding sleeve mistiming opening or accidentally closing to fill
The problem of set, the copper sheet being installed on elastic claw can effectively prevent switching tools to scratch filling sliding sleeve sealing drum.
The purpose of this utility model is achieved through the following technical solutions.
A kind of deep water formation isolation valves switching tools, including sequentially connected top connection from top to bottom, connector sleeve, upper company
Spindle, upper cuff, upper righting mandrel, central tube, lower righting mandrel, lower cuff and guide head,
The upper righting mandrel outer surface has been uniformly arranged along the circumference top mounting groove, is respectively provided in each top mounting groove
There are top wiper block, each top wiper block to be both provided with radial stepped hole, the top peace of each stepped hole and upper righting mandrel
Top compression spring is both provided between tankage；
The center tube outer surface is provided with elastic claw, and the elastic claw outer surface has been uniformly arranged along the circumference dovetail groove,
The annular copper sheet of fan and fan annular opening copper sheet, the annular copper sheet of the fan and fan annular opening are both provided in each dovetail groove
Prominent elastic claw outer surface at the top of copper sheet；
The lower righting mandrel outer surface has been uniformly arranged along the circumference lower part mounting groove, is respectively provided in each lower part mounting groove
There are lower part wiper block, each lower part wiper block to be both provided with radial stepped hole, the lower part peace of each stepped hole and lower righting mandrel
Lower part compressed spring is both provided between tankage.
The connection set upper side is provided with internal thread, and centre is circumferentially provided with radial through-hole, and lower end inner surface is circumferentially
It is provided with step, the connector sleeve is connect with top connection by screw thread and fixing pin.
The upper connecting shaft upper end outer surface is circumferentially provided with step, and radial through-hole, lower end are provided on the step
It is provided with the external screw thread being connect with upper cuff, the upper connecting shaft and connector sleeve are snapped connection by step, the upper connecting shaft
Radial through-hole and connector sleeve radial through-hole correspond, be interconnected.
The upper righting mandrel upper end is provided with the external screw thread being connect with upper cuff, and lower end is provided with to be connect with central tube
Internal thread；Top wiper block outer surface is provided with band chamfering boss, and the top wiper block is fixed on by upper garter spring
In the top mounting groove of righting mandrel, the upper garter spring is fixedly connected by anti-turn screw with upper righting mandrel.
The lower righting mandrel upper end is provided with the internal thread being connect with central tube, and lower end is provided with to be connect with lower cuff
External screw thread；Lower part wiper block outer surface is provided with band chamfering boss, under the lower part wiper block is fixed on by lower garter spring
In the lower part mounting groove of righting mandrel, the lower garter spring is fixedly connected by anti-turn screw with lower righting mandrel.
The elastic claw upper and lower ends are both provided with the internal thread being connect with central tube, and center outer surface is circumferentially provided with
Band chamfering boss, boss middle part are circumferentially provided with groove, and groove both sides have been uniformly arranged along the circumference dovetail groove, boss two respectively
Side is built-in with anti-rotation pin circumferentially arranged with oblique threaded hole, each tiltedly threaded hole, by anti-rotation pin to the annular copper sheet of fan and fan
Annular opening copper sheet carries out circumferentially fixed.
The annular copper sheet of the fan and fan annular opening copper sheet are trapezoid cross section, setting among the fan annular opening copper sheet
There is the straight trough through-hole coordinated with anti-rotation pin.
Compared with prior art, advantageous effect caused by the technical solution of the utility model is：
(1) in the utility model, elastic claw outer surface has been uniformly arranged along the circumference dovetail groove, is respectively provided in each dovetail groove
There are the annular copper sheet of fan and fan annular opening copper sheet, fans prominent elastic claw appearance at the top of annular copper sheet and fan annular opening copper sheet
Face, since the hardness of the annular copper sheet of fan and fan annular opening copper sheet is soft compared with steel alloy material, when by filling sliding sleeve sealing drum
Only abrasion copper sheet itself, will not scratch sliding sleeve sealing drum, and switching tools can be effectively prevent to scratch the sealing drum of filling sliding sleeve；
(2) in the utility model, dovetail groove can realize the annular copper sheet of fan and fan the radially fixed of annular opening copper sheet；Elasticity
The boss both sides of pawl center outer surface are circumferentially arranged with several oblique threaded holes, each tiltedly anti-rotation pin built in threaded hole, by anti-
Nail of shipping and reselling on another market carries out the annular copper sheet of fan and fan annular opening copper sheet circumferentially fixed；
(3) in the utility model, the top elasticity being made of upper righting mandrel, top wiper block and top compression spring is helped
Positive structure, the lower elastic righting structure being made of lower righting mandrel, lower part wiper block and lower part compressed spring, top elasticity are helped
Positive structure and lower elastic righting structure constitute the integral, flexible righting structure of the utility model, have elastic compressive deformation energy
Power can avoid switching tools that bias occurs in deep water formation isolation valves motion process, together with formation isolation valves engagement sleeves
When, this elastic regulating structure can avoid passing through filling sliding sleeve mistiming and open or accidentally close filling sliding sleeve.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the A-A sectional views in Fig. 1.
Reference numeral:1 top connection；2 fixing pins；3 connector sleeves；Connecting shaft on 4；Cuff on 5；6 top wiper blocks；On 7
Portion's compressed spring；Righting mandrel on 8；Garter spring on 9；10 anti-turn screws；11 elastic claws；The annular copper sheet of 12 fans；13 fan annular openings
Copper sheet；14 anti-rotation pins；15 central tubes；16 guide heads；17 times cuffs；18 lower part wiper blocks；19 lower part compressed springs；It is helped under 20
Positive mandrel；21 times garter springs.
Specific implementation mode
For that can further appreciate that the utility model contents, features and effects, following instance is hereby enumerated, and coordinate attached drawing detailed
It is described as follows.
As depicted in figs. 1 and 2, the deep water formation isolation valves switching tools of the utility model, for oil drilling and repairing well and
Formation isolation valves in terms of the production of oil field, mainly include sequentially connected top connection 1 from top to bottom, connector sleeve 3, upper connecting shaft 4,
Upper cuff 5, upper righting mandrel 8, central tube 15, lower righting mandrel 20, lower cuff 17 and guide head 16.
3 upper end of the connector sleeve is provided with internal thread, and centre is circumferentially provided with several radial through-hole, lower end inner surface edge
Circumference is provided with step, and the connector sleeve 3 is connect with top connection 1 by screw thread and fixing pin 2.4 upper end of upper connecting shaft
Outer surface is circumferentially provided with step, be provided with several radial through-hole on the step, and lower end is provided with to be connect with upper cuff 5
External screw thread, the upper connecting shaft 4 and connector sleeve 3 are snapped connection by step, the radial through-hole and connector sleeve of the upper connecting shaft 4
3 radial through-hole corresponds, and is interconnected.
Upper 8 upper end of righting mandrel is provided with the external screw thread being connect with upper cuff 5, and lower end is provided with to be connected with central tube 15
The internal thread connect, center outer surface have been uniformly arranged along the circumference top mounting groove, top are both provided in each top mounting groove
Wiper block 6, the top wiper block 6 are fixed on by upper garter spring 9 in the top mounting groove of upper righting mandrel 8, the upper garter spring 9
It is fixedly connected with upper righting mandrel 8 by anti-turn screw 10.It is convex that each 6 outer surface of top wiper block is provided with band chamfering
Platform, each top wiper block 6 are both provided with several radial stepped holes, the top mounting groove of each stepped hole and upper righting mandrel 8
Between be both provided with top compression spring 7.
15 upper and lower ends of the central tube are both provided with step and external screw thread, and the setting of 15 outer surface of the central tube is flexible
Pawl 11,11 upper and lower ends of the elastic claw are both provided with the internal thread being connect with central tube 15, and center outer surface is circumferentially arranged
There is band chamfering boss, is circumferentially provided with groove in the middle part of boss, groove both sides have been uniformly arranged along the circumference dovetail groove respectively, each
The annular copper sheet 12 of fan and fan annular opening copper sheet 13 are both provided in the dovetail groove, the annular copper sheet 12 of the fan and fan annular are opened
Prominent 11 outer surface of elastic claw in 13 top of mouth copper sheet.If the boss both sides of 11 center outer surface of the elastic claw circumferentially arranged with
Oblique threaded hole is done, each tiltedly threaded hole is built-in with anti-rotation pin 14, by anti-rotation pin 14 to the annular copper sheet 12 of fan and fan annular
Opening copper sheet 13 carries out circumferentially fixed, and the axis of each anti-rotation pin 14 is parallel with 11 axis of elastic claw.The fan annular
Copper sheet 12 and fan annular opening copper sheet 13 are trapezoid cross section, are provided among the fan annular opening copper sheet 13 and anti-rotation pin
The 14 straight trough through-holes coordinated.
Lower 20 upper end of righting mandrel is provided with the internal thread being connect with central tube 15, and lower end is provided with and lower cuff 17
The external screw thread of connection, center outer surface have been uniformly arranged along the circumference lower part mounting groove, have been both provided with down in each lower part mounting groove
Portion's wiper block 18, the lower part wiper block 18 is fixed on by lower garter spring 21 in the lower part mounting groove of lower righting mandrel 20, described
Lower garter spring 21 is fixedly connected by anti-turn screw 10 with lower righting mandrel 20.Each 18 outer surface of lower part wiper block is provided with
Band chamfering boss, each lower part wiper block 18 are both provided with several radial stepped holes, each stepped hole and lower righting mandrel 20
Lower part compressed spring 19 is both provided between the mounting groove of lower part.17 upper and lower ends of lower cuff respectively with lower righting mandrel 20 and
Guide head 16 is threadedly coupled.
The top elasticity righting structure being made of upper righting mandrel 8, top wiper block 6 and top compression spring 7, is helped by down
The lower elastic righting structure that positive mandrel 20, lower part wiper block 18 and lower part compressed spring 19 form, top elasticity righting structure
The integral, flexible righting structure of the utility model is constituted with lower elastic righting structure, can with formation isolation valves engagement sleeves,
Avoid switching tools that bias occurs in deep water formation isolation valves motion process, meanwhile, this elastic regulating structure can be to avoid
Filling sliding sleeve is opened or accidentally closes by filling sliding sleeve mistiming.
The deep water formation isolation valves switching tools of the utility model, mainly with formation isolation valves power tool is mating makes
With.At the scene in operation process, the utility model is above carried or is transferred with tubing string connected to it, and the integral, flexible of switching tools is helped
Positive structure outer diameter changes with the variation of engagement inner cylinder internal diameter, remains that switching tools are placed in the middle in tubing string, work as switching tools
Elastic claw 11 by sliding sleeve sealing drum when, the annular copper sheet 12 of the fan and to fan annular opening copper sheet 13 direct with sliding sleeve sealing drum
Contact can avoid scratching sliding sleeve sealing drum.When switching tools enter formation isolation valves tool, the elastic claw 11 and stratum
Isolating valve lock pawl contacts, and drives lock pawl to move downward or upward, to open or close formation isolation valves, works as formation isolation
When valve reaches latched position, elastic claw 11 is slipped out of the hand with lock pawl, the extensible formation isolation valves of switching tools, formation isolation threshold switch
Terminate.It is for reinforcement connection structure to be equipped with anti-turn screw 10 and fixing pin 2 in threaded connection place.
The utility model is installed on service tube-column bottom, by pushing, above putting forward tool open, close deep water formation isolation
Valve.Tool upper and lower part elasticity righting structure can adjust centralizer outer diameter according to actual demand, can reduce switching tools chance
The possibility of card, the copper sheet being installed on elastic claw 11 can effectively prevent switching tools to scratch with the anti-of formation isolation valves tripping in
Sandpipe column sealing cylinder.The utility model is used to open or closes deep water formation isolation valves, and operating process is convenient and reliable, has notable
Convenience and superiority.
Although the function and the course of work of the utility model are described above in conjunction with attached drawing, the utility model is simultaneously
It is not limited to above-mentioned concrete function and the course of work, the above mentioned embodiment is only schematical, rather than limits
Property, those skilled in the art are not departing from the utility model aims and right is wanted under the enlightenment of the utility model
It asks under protected ambit, many forms can also be made, these are belonged within the protection of the utility model.
Claims (7)
1. a kind of deep water formation isolation valves switching tools, including from top to bottom sequentially connected top connection (1), connector sleeve (3),
It upper connecting shaft (4), upper cuff (5), upper righting mandrel (8), central tube (15), lower righting mandrel (20), lower cuff (17) and leads
To head (16), which is characterized in that
Upper righting mandrel (8) outer surface has been uniformly arranged along the circumference top mounting groove, is respectively provided in each top mounting groove
There are top wiper block (6), each top wiper block (6) to be both provided with radial stepped hole, each stepped hole and upper righting mandrel (8)
Top mounting groove between be both provided with top compression spring (7)；
Central tube (15) outer surface is provided with elastic claw (11), and elastic claw (11) outer surface has been uniformly arranged along the circumference
Dovetail groove is each both provided with the annular copper sheet (12) of fan and fan annular opening copper sheet (13), the fan annular in the dovetail groove
Prominent elastic claw (11) outer surface at the top of copper sheet (12) and fan annular opening copper sheet (13)；
Lower righting mandrel (20) outer surface has been uniformly arranged along the circumference lower part mounting groove, is respectively provided in each lower part mounting groove
There are lower part wiper block (18), each lower part wiper block (18) to be both provided with radial stepped hole, each stepped hole and lower righting mandrel
(20) lower part compressed spring (19) is both provided between lower part mounting groove.
2. deep water formation isolation valves switching tools according to claim 1, which is characterized in that on the connector sleeve (3)
End is provided with internal thread, and centre is circumferentially provided with radial through-hole, and lower end inner surface is circumferentially provided with step, the connector sleeve
(3) it is connect by screw thread and fixing pin (2) with top connection (1).
3. deep water formation isolation valves switching tools according to claim 1, which is characterized in that the upper connecting shaft (4)
Upper end outer surface is circumferentially provided with step, and radial through-hole is provided on the step, and lower end is provided with upper cuff (17) even
The external screw thread connect, the upper connecting shaft (4) and connector sleeve (3) are snapped connection by step, and the radial direction of the upper connecting shaft (4) is logical
Hole and the radial through-hole of connector sleeve (3) correspond, and are interconnected.
4. deep water formation isolation valves switching tools according to claim 1, which is characterized in that the upper righting mandrel
(8) upper end is provided with the external screw thread being connect with upper cuff (5), and lower end is provided with the internal thread being connect with central tube (15)；It is described
Top wiper block (6) outer surface is provided with band chamfering boss, and the top wiper block (6) is fixed on by upper garter spring (9) helps
In the top mounting groove of positive mandrel (8), the upper garter spring (9) is fixedly connected by anti-turn screw (10) with upper righting mandrel (8).
5. deep water formation isolation valves switching tools according to claim 1, which is characterized in that the lower righting mandrel
(20) upper end is provided with the internal thread being connect with central tube (15), and lower end is provided with the external screw thread being connect with lower cuff (17)；Institute
It states lower part wiper block (18) outer surface and is provided with band chamfering boss, the lower part wiper block (18) is fixed on by lower garter spring (21)
In the lower part mounting groove of lower righting mandrel (20), the lower garter spring (21) is solid by anti-turn screw (10) and lower righting mandrel (20)
Fixed connection.
6. deep water formation isolation valves switching tools according to claim 1, which is characterized in that on the elastic claw (11)
Lower both ends are both provided with the internal thread being connect with central tube (15), and center outer surface is circumferentially provided with band chamfering boss, boss
Middle part is circumferentially provided with groove, and groove both sides have been uniformly arranged along the circumference dovetail groove respectively, and boss both sides are circumferentially arranged with oblique
Threaded hole, each tiltedly threaded hole are built-in with anti-rotation pin (14), by anti-rotation pin (14) to the annular copper sheet (12) of fan and fan ring
Shape opening copper sheet (13) carries out circumferentially fixed.
7. deep water formation isolation valves switching tools according to claim 1, which is characterized in that the annular copper sheet of the fan
(12) and fan annular opening copper sheet (13) is trapezoid cross section, and fan annular opening copper sheet (13) centre is provided with and stop pin
The straight trough through-hole that nail (14) is coordinated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721835834.XU CN207739986U (en) | 2017-12-25 | 2017-12-25 | A kind of deep water formation isolation valves switching tools |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721835834.XU CN207739986U (en) | 2017-12-25 | 2017-12-25 | A kind of deep water formation isolation valves switching tools |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207739986U true CN207739986U (en) | 2018-08-17 |
Family
ID=63119485
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721835834.XU Active CN207739986U (en) | 2017-12-25 | 2017-12-25 | A kind of deep water formation isolation valves switching tools |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207739986U (en) |
-
2017
- 2017-12-25 CN CN201721835834.XU patent/CN207739986U/en active Active
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