CN209483292U - A kind of rotation tubing string cycling switch valve - Google Patents
A kind of rotation tubing string cycling switch valve Download PDFInfo
- Publication number
- CN209483292U CN209483292U CN201822261454.0U CN201822261454U CN209483292U CN 209483292 U CN209483292 U CN 209483292U CN 201822261454 U CN201822261454 U CN 201822261454U CN 209483292 U CN209483292 U CN 209483292U
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- mandrel
- ball base
- sphere
- transmission arm
- bearing
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Abstract
The utility model discloses a kind of rotation tubing string cycling switch valves, including combination coupling, mandrel, upper housing, transition short circuit, box cupling, track pin, track transmission arm, sealing splicing sleeve, upper ball base, sphere, rotating arm, lower ball base, lower contact, upper bearing (metal) and lower bearing；Combination coupling connecting mandrel upper end；The mandrel lower end is sequentially installed with upper ball base, sphere, rotating arm, lower ball base, and the sphere is set between upper ball base and lower ball base, and the rotating arm is arranged on the outside of sphere, is connect in a manner of worm and gear with sphere；The track transmission arm is fixedly connected with rotating arm；The upper housing, transition short circuit, box cupling, track transmission arm are fixedly connected sequentially from top to bottom on mandrel outboard bearing, collectively form mandrel tubing string；By rotary core shaft tubing string, the rotation of track transmission arm is realized, to control ball valve opening and closing.Phenomena such as controlling " overflow ", " well kick " in time may be implemented in the utility model, and realizes circulating open close.
Description
Technical field
The utility model relates to a kind of oil exploitation downhole tool, especially a kind of rotation tubing string cycling switch valve.
Background technique
Low permeability oil and gas field is the valuable source of China Petroleum stable development, and hydraulic fracturing technology is that economical and effective is opened
Send out the important means of Low permeable oil and gas reservoirs.Up to the present, the domestic research in relation to jet-preventing tool in oil pipe reaches its maturity, and right
The understanding of the combination fracturing technology of coiled tubing staged fracturing, coiled tubing abrasive perforating and casing sand fracturing just rises
Step, and only rest in conventional tubing transmission fracturing technique, size and interior blowout prevention work of this mode to coiled tubing
The requirement of tool is excessively harsh and is difficult to be applied to deep layer.Therefore, need further development and perfection.
The extensive oil jacket combined pressure of coiled tubing, staged fracturing operation are a kind of fracturing technologies in forward position, pass through casing fluid injection
The method of sand is added to realize coiled tubing abrasive perforating, extensive casing sand fracturing, coiled tubing dragging staged fracturing.Involved work
Corroding load fluid in industry can cause larger erosion to influence tool sealing performance to working string outer surface and inner cavity and then influence to make
The problems such as industry safety problem and sand influence working performance into tool inner cavity.
Utility model content
Purpose of utility model: the utility model provides a kind of rotation tubing string cycling switch valve, and it is continuous to be applied to horizontal well
Double envelope single deck tape-recorder staged fracturing techniques supplemented by oil pipe hydraulic sand blasting pressure break.During with pressure lower tubular column, when generation " overflow ",
When " well kick ", number control ball valve opening and closing is enclosed accordingly by rotating tubing string, reaches hydrophthalmia in control tubing string rapidly, prevents ground laminar flow
Body sprays upwards, the effect for preventing no control " blowout " accident from occurring.
A kind of technical solution: rotation tubing string cycling switch valve, it is characterised in that: including combination coupling, mandrel, upper housing,
Transition short circuit, box cupling, track pin, track transmission arm, sealing splicing sleeve, upper ball base, sphere, rotating arm, lower ball base, under connect
Head, upper bearing (metal) and lower bearing；
Wherein, combination coupling connecting mandrel upper end；The mandrel lower end is sequentially installed with ball valve assembly, ball valve assembly
Including upper ball base, sphere, rotating arm and lower ball base；The sphere is set between upper ball base and lower ball base, and the rotating arm is set
It sets on the outside of sphere, is connect in a manner of worm and gear with sphere；The lower ball base lower end is fixedly connected with lower contact；
The rotating arm external connection track transmission arm, track transmission arm are tubular transmission arm, are installed on the outside of mandrel, on
Portion is provided with pin hole, cooperates with the track pin, and connect with mandrel by lower bearing, the track transmission arm and lower bearing it
Between sealing splicing sleeve is installed；
The track transmission arm upper socket has transition short circuit, and it is cylindrical sleeve tubular that the transition, which is shorted, sets in the middle part of outer end
There is positioning protrusion；Positioning protrusion lower end connection coupling, the box cupling are set in positioning protrusion between lower contact, by ball valve
Component encases, and is provided with pin hole, and pin hole coincide on pin hole position and size and the orbit rotation arm, solid by dowel hole
It is fixed；The transition is shorted upper end and is equipped with upper bearing (metal), is socketed on mandrel, the upper bearing sleeve is connected to upper housing, the upper housing
Lower end is fixedly connected with transition short circuit.The upper housing, transition short circuit, box cupling, track transmission arm collectively form core tube
Column.
Preferably, the upper bearing (metal) uses 51114 bearings.
Preferably, the lower bearing uses 51110 bearings.
The utility model has the advantages that a kind of rotation tubing string cycling switch valve provided by the utility model, solves petroleum industry underground work
When industry, during with pressure lower tubular column, when generation " overflow ", " well kick ", the problem of " blowout " phenomenon can not be controlled in time；
Meanwhile the present apparatus has many advantages, such as that structure is simple, with strong points, construction efficiency is high, sand feeding amount is big, sealed reliable passes through setting
Ball valve, it is only necessary to rotate 1/2 circle i.e. and can reach the effect for being turned on or off ball valve；Internal and external cycle is connected by bearing, realizes rail
The function of road rotating arm circulation rotating, achievees the effect that ball valve circulating open close；Ball valve opening and closing, the power needed are controlled by rotating arm
Square is smaller, can achieve labour-saving purpose；Track transmission arm is set, it is ensured that sphere rotation is steady, and thrust-neutral reaches flat
The effect of steady control ball valve opening and closing；And erosion of the load fluid to tubing string outer surface and inner cavity can be reduced to greatest extent, is guaranteed
The sealing requirements of device, it is ensured that operation safety.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model.
Description of symbols:
1- combination coupling；2- mandrel；3- upper housing；4- transition is shorted；5- box cupling；6- track pin；7- track transmission arm；
8- seals splicing sleeve；9- upper ball base；10- sphere；11- rotating arm；12- ball seat；13- lower contact；14- upper bearing (metal)；15- lower axle
It holds.
Specific embodiment
Further explanation is done to the utility model with reference to the accompanying drawing.
As shown in Figure 1, a kind of rotation tubing string cycling switch valve, it is characterised in that: including combination coupling 1, mandrel 2, upper casing
Body 3, transition are shorted 4, box cupling 5, track pin 6, track transmission arm 7, sealing splicing sleeve 8, upper ball base 9, sphere 10, rotating arm
11, lower ball base 12, lower contact 13, upper bearing (metal) 14 and lower bearing 15；
Wherein, 1 connecting mandrel of combination coupling, 2 upper end；2 lower end of mandrel is sequentially installed with ball valve assembly, ball valve
Component includes upper ball base 9, sphere 10, rotating arm 11 and lower ball base 12；The sphere 10 be set to upper ball base 9 and lower ball base 12 it
Between, the setting of rotating arm 11 is connect in a manner of worm and gear in 10 outside of sphere with sphere 10；12 lower end of lower ball base with
Lower contact 13 is fixedly connected；
The 11 external connection track transmission arm 7 of rotating arm, track transmission arm 7 are tubular transmission arm, are installed on outside mandrel 2
Side, top are provided with pin hole, cooperate with the track pin 6, and are connect with mandrel 2 by lower bearing 15, the track transmission arm 7
Sealing splicing sleeve 8 is installed between lower bearing 15；
7 upper end of track transmission arm is socketed with transition and is shorted 4, and it is cylindrical sleeve tubular, outer end middle part that the transition, which is shorted 4,
Equipped with positioning protrusion；Positioning protrusion lower end connection coupling 5, the box cupling 5 are set in positioning protrusion between lower contact, will
Ball valve assembly encases, and is provided with pin hole, and pin hole coincide on pin hole position and size and the orbit rotation arm 7, passes through track
Pin 6 is fixed；The transition is shorted 4 upper ends and is equipped with upper bearing (metal) 14, is socketed on mandrel 2, the upper bearing (metal) 14 is socketed with upper casing
Body 3,3 lower end of upper housing are shorted 4 with the transition and are fixedly connected.The upper housing 3, transition are shorted 4, box cupling 5, track passes
Swing arm 7 collectively forms mandrel tubing string.
Preferably, the upper bearing (metal) uses 51114 bearings.
Preferably, the upper bearing (metal) uses 51110 bearings.
During with pressure lower tubular column, when " overflow " or " well kick " occurs, around mandrel axis rotation mandrel tubing string, upper
Under the action of bearing 14 and lower bearing 15, mandrel tubing string is rotated relative to mandrel, by swing-around trajectory transmission arm 7, drives rotating arm
11 movements rotate sphere perpendicular to mandrel axle center by worm and gear motion principle.When track transmission arm 7 is along mandrel axle center
Clockwise or counterclockwise when 1/2 circle, sphere 10 is rotated also along perpendicular to mandrel axis direction, reaches control ball valve opening and closing
Technical effect.Meanwhile influencing its card and away from section closings need to be repeated several times, enclosing number accordingly by rotation tubing string can control rapidly
Tubing string internal pressure.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (3)
1. a kind of rotation tubing string cycling switch valve, it is characterised in that: including combination coupling (1), mandrel (2), upper housing (3), mistake
Cross short circuit (4), box cupling (5), track pin (6), track transmission arm (7), sealing splicing sleeve (8), upper ball base (9), sphere (10),
Rotating arm (11), lower ball base (12), lower contact (13), upper bearing (metal) (14) and lower bearing (15)；
Wherein, combination coupling (1) connecting mandrel (2) upper end；Mandrel (2) lower end is sequentially installed with ball valve assembly, ball
Valve module includes upper ball base (9), sphere (10), rotating arm (11) and lower ball base (12)；The sphere (10) is set to upper ball base
(9) between lower ball base (12), rotating arm (11) setting is on the outside of sphere (10), with sphere (10) in a manner of worm and gear
Connection；Lower ball base (12) lower end is fixedly connected with lower contact (13)；
Rotating arm (11) the external connection track transmission arm (7), track transmission arm (7) are tubular transmission arm, are installed on mandrel
(2) outside, top are provided with pin hole, cooperate with the track pin (6), and are connect with mandrel (2) by lower bearing (15), described
Sealing splicing sleeve (8) is installed between track transmission arm (7) and lower bearing (15)；
Track transmission arm (7) upper socket has transition to be shorted (4), and the transition is shorted (4) for cylindrical sleeve tubular, in outer end
Portion is equipped with positioning protrusion；The positioning protrusion lower end is fixedly connected box cupling (5), and the box cupling (5) is set in positioning protrusion under
Between connector, seal ball-valve component, and it is provided with pin hole, pin hole is kissed on pin hole position and size and the track transmission arm (7)
It closes, it is fixed by track pin (6)；The transition is shorted (4) upper end and is equipped with upper bearing (metal) (14), is socketed on mandrel (2), described
Upper bearing (metal) (14) is socketed with upper housing (3), and upper housing (3) lower end is shorted (4) with the transition and is fixedly connected.
2. a kind of rotation tubing string cycling switch valve according to claim 1, it is characterised in that: the upper bearing (metal) (14) is
51114 bearings.
3. a kind of rotation tubing string cycling switch valve according to claim 1, it is characterised in that: the lower bearing (15) is
51110 bearings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822261454.0U CN209483292U (en) | 2018-12-30 | 2018-12-30 | A kind of rotation tubing string cycling switch valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822261454.0U CN209483292U (en) | 2018-12-30 | 2018-12-30 | A kind of rotation tubing string cycling switch valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209483292U true CN209483292U (en) | 2019-10-11 |
Family
ID=68128233
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822261454.0U Active CN209483292U (en) | 2018-12-30 | 2018-12-30 | A kind of rotation tubing string cycling switch valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209483292U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111255413A (en) * | 2020-03-09 | 2020-06-09 | 弗润联科(北京)石油科技有限公司 | Underground rotary switch non-killing control valve and working method |
-
2018
- 2018-12-30 CN CN201822261454.0U patent/CN209483292U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111255413A (en) * | 2020-03-09 | 2020-06-09 | 弗润联科(北京)石油科技有限公司 | Underground rotary switch non-killing control valve and working method |
| CN111255413B (en) * | 2020-03-09 | 2021-11-23 | 弗润联科(北京)石油科技有限公司 | Underground rotary switch non-killing control valve and working method |
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