CN206554895U - A kind of underground throttle device - Google Patents
A kind of underground throttle device Download PDFInfo
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- CN206554895U CN206554895U CN201720092206.0U CN201720092206U CN206554895U CN 206554895 U CN206554895 U CN 206554895U CN 201720092206 U CN201720092206 U CN 201720092206U CN 206554895 U CN206554895 U CN 206554895U
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- slips
- seat
- slipses seat
- throttle device
- underground throttle
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Abstract
The utility model is related to oilfield exploitation technical field, more particularly to a kind of oil field underground throttle device.Fishing head (3) is arranged on upper slipses seat (4) top；Upper slipses seat (4) movable set is on central tube (8)；Slips (5) is movably connected on upper slipses seat (4) by pin, and slips (5) lower end inside has scalene cone, and outside has latch；Lower slipses seat (6) is fixedly set on the central tube (8) below upper slipses seat (4), and from top to bottom outstanding formation inclined-plane, activity is to when being adjacent to fishing head (3) upwards for the upper slipses seat (4), and the inclined-plane lower end and the scalene cone lower end of slips (5) of lower slipses seat (6) are highly consistent.The whipping in flow controller launch process is avoided, it is time saving and energy saving, and break pin is fixed in installation process or steel wire also will not be arbitrarily broken in installation process, delivers and more facilitates.
Description
Technical field
The utility model is related to oilfield exploitation technical field, more particularly to a kind of oil field underground throttle device.
Background technology
In recent years, in the recovery process of oil mine, oil well is more and more prevented using underground throttle device technology
The generation of pit shaft hydrate in recovery process, by the application at scene and updating for technical staff, underground throttle device technology
Constantly improved.The most frequently used underground throttle device applies to the work of 2-7/8 " oil pipes in applying at the scene at present
Dynamic formula underground throttle device.This movable underground throttle can be set in projected depth according to design needs, using steel wire rope
Pulling.
Pulling is two work progress of dispensing and salvaging.Current movable underground throttle is needed in dispensing or salvaging
Use steel wire to transfer to be constructed in well.Current movable underground throttle delivers operation sequence：Underground is saved first
The downhole tools such as stream device and weighted lever, bumper jar are connected, and then tool string is put into shaft mouth anti-blowout pipe, lubricator is installed
On well head, because lubricator is longer, it is necessary to carry out the installation of lubricator with crane.After lubricator is installed, well head is opened
Valve, with test steel wire by underground throttle device and tool string tripping in oil pipe, after projected depth is reached, stops, now suddenly
Underground throttle device rapid resilience in the presence of steel wire elasticity, in the presence of inertia force, underground throttle device slips opens, and makes well
Lower flow controller is tentatively anchored on tube inner wall, then above carries steel wire with well testing truck, bumper jar is produced a vibration power upwards,
The pin on underground throttle device is cut in the presence of this jarring force, after pin is cut, underground throttle device takes off with test steel wire
Open, at the same time, in the presence of underground throttle device contained spring, make the sealing cup spreading on underground throttle device, by steel wire
Act well head, lay down the lubricator on well head, so, just complete the dispensing of underground throttle device.
Flow controller of the prior art, its many inertia produced above and below during whipping when delivering so as to make slips continuous
Opening is closed.And when slips is by chance checked card and is stuck on tubing wall, dispensing is completed by cutting short pin.And delivered at this
Cheng Zhong, it is higher to workman's technical requirements, and because flow controller is very heavy, the regular appearance gasoline economizer during whipping up and down
Also it is fitted without and cuts short pin and broken, and the quality that whipping also has oscillator to whipping steel wire up and down is all deducted a percentage
Very high requirement.The flow controller that can be conveniently installed after directly being delivered without whipping can not be also completed in the prior art.
Utility model content
The utility model provides a kind of simple underground throttle device of dispensing, solves flow controller in the prior art and delivers fiber crops
Tired, break pin is fixed or delivers the technical problem that steel wire is easily fitted without just fracture in flow controller.
The technical solution of the utility model is a kind of underground throttle device, including fishing head, central tube, upper slipses seat, slips,
Lower slipses seat, cushion rubber, valve and anti-sand cover, fishing head are arranged on upper slipses seat top；Upper slipses seat movable set is in central tube
On, slips can be driven freely up and down, in the presence of no external force, because Action of Gravity Field upper slipses seat can fall with
Slip spider is connected.Slips is movably connected on upper slipses seat by pin, and slips can be achieved and surrounds pin rotation.In slips lower end
There is scalene cone and the inclined-plane of lower slipses seat to be engaged for side, i.e., because Action of Gravity Field upper slipses seat is moved downward, the inclined-plane of slips
Opened in the presence of lower slipses seat inclined-plane.Lower slipses seat outside has latch, and flow controller is pulled up after slips opens, a card
Slips can be kept a firm hand on tubing wall, and the latch that slips is outer time can promote this grip.Lower slipses seat is fixedly set in upper slipses seat
On the central tube of lower section, and outstanding formation inclined-plane from top to bottom, when the upper slipses seat is adjacent to fishing head, lower slipses seat
Inclined-plane lower end and slips scalene cone lower end it is highly consistent.
Lower slipses seat it is preferred inclined-plane only is set at the position with slips.
Latch is preferably inclined upwardly 10 ° -45 ° on the outside of the slips.
Anti-sand cover is arranged on flow controller bottom, and inner side sets sand control screens, and sand control screens are arranged with sand control screens pressure ring.
The lower slipses seat is welded in center tube wall.
Above-mentioned cushion rubber is two.
Beneficial effect the utility model avoids flow controller by the special design of upper slipses seat, slips, lower slipses seat and thrown
Whipping during putting, it is time saving and energy saving, and break pin is fixed in installation process or steel wire also will not be arbitrarily broken in installation process,
Deliver and more facilitate.
Brief description of the drawings
In order to illustrate more clearly of the technical solution of the utility model, embodiment will be described below needed for accompanying drawing make
It is simple to introduce, it should be apparent that, drawings in the following description are only some embodiments of the present utility model, common to this area
For technical staff, on the premise of not paying creative work, other accompanying drawings can also be obtained according to these accompanying drawings, these
The technical scheme that accompanying drawing is directly obtained should also belong to protection domain of the present utility model.
Fig. 1 is structural representation of the present utility model.
Description of reference numerals：1st, head is delivered；2nd, pin；3rd, fishing head；4th, upper slipses seat；5th, slips；6th, lower slipses seat；7、
Core sealing sleeve pipe；8th, central tube, 9, cushion rubber；10th, ratchet ring upper pressing cap；11st, ratchet ring supporting positive cover；12nd, ratchet ring；13rd, under
Core bar；14th, ratchet ring seat；15th, lower core bar lower pressing cap；16th, valve；17th, sand cap；18th, sand control screens；19th, sand control screens pressure ring.
Embodiment
To enable above-mentioned purpose of the present utility model, feature and advantage more obvious understandable, below to the utility model
Embodiment elaborate.Many details are elaborated in the following description to fully understand this practicality
It is new.But the utility model can be implemented with being much different from other manner described here, those skilled in the art can
To do similar improvement in the case of without prejudice to the utility model intension, therefore the utility model is not by following public specific
The limitation of embodiment.
The technical solution of the utility model of embodiment 1 is a kind of underground throttle device, includes delivering first 1, pin as shown in Figure 1
2nd, fishing head 3, upper slipses seat 4, slips 5, lower slipses seat 6, core sealing sleeve pipe 7, central tube 8, cushion rubber 9, ratchet ring upper pressing cap
10th, ratchet ring supporting positive cover 11, ratchet ring 12, lower core bar 13, ratchet ring seat 14, lower core bar lower pressing cap 15, valve 16, sand cap
17th, sand control screens 18, sand control screens pressure ring 19, fishing head 3 are arranged on 4 tops of upper slipses seat；Upper slipses 4 movable sets of seat are in central tube
On 8, slips 5 can be driven freely up and down, in the presence of no external force, because Action of Gravity Field upper slipses seat 4 can fall
It is connected with lower slipses seat 6.And slips 5 is movably connected on upper slipses seat 4 by pin, slips 5 can be achieved and surrounds pin rotation.
There is the lower end inside of slips 6 scalene cone and the inclined-plane of lower slipses seat 6 to be engaged, i.e., because Action of Gravity Field upper slipses seat 4 is transported downwards
Dynamic, the inclined-plane of slips 5 opens in the presence of the inclined-plane of lower slipses seat 6.The outside of lower slipses seat 6 has latch, when slips 5 opens
After pull up flow controller, card a slips 5 can keep a firm hand on tubing wall, the latch on the outside of slips can promote this grip.Lower slipses
Seat 6 is fixedly set on the central tube 8 of the lower section of upper slipses seat 4, and outstanding formation inclined-plane from top to bottom, when upper slipses seat
4 and slips 5 upwards move when, slips 5 can think that central tube 8 is tightened up under gravity.When upper slipses seat 4 is adjacent to fishing head,
The inclined-plane lower end of lower slipses seat 6 is highly consistent with the scalene cone lower end of slips 5.Flow controller in the technical scheme, structure letter
Single, slips 5 is only needed under gravity with regard to expansible clamping, completes the installation of flow controller, it is to avoid throttling of the prior art
Device launch process needs whipping energetically, time saving and energy saving, delivers simpler convenience.
Embodiment 2 as described in Figure 1 lower slipses seat 6 it is preferred inclined-plane only is set at the position with slips, and do not blocking
Watts 5 position keeps making lower slipses 6 structures of seat firmer with lower slipses 6 bottom identical thickness of seat, the design of this structure,
And be conducive to the fixation of slips 5, be easy to slips to open, it is easier to realize that slips 5 is stuck on tubing wall.
Described in embodiment 3 the outside latch of slips 5 is preferably inclined upwardly 10 ° -45 °, and this angle is inclined upwardly one
It is that can ensure that what slips 5 can be more prone to is stuck on tubing wall, on the other hand when salvaging flow controller, is also easier to
Fall.The outside latch of slips 5 is preferably to be inclined upwardly 30 ° in this programme, this angle to clamping of the slips 5 on tubing wall more
Easily, the salvaging of flow controller is also very convenient.
The bottom of such as above-mentioned flow controllers of Fig. 1 of embodiment 4 is provided with anti-sand cover 17, and the inner side of sand cap 17 sets sand control screens
18, sand control screens 18 are arranged with sand control screens pressure ring 19, and the design of spinning net pressure ring 19 can be removably fixed by spinning net 18
In sand cap 17, effectively prevent silt from entering flow controller.
Flow controller lower slipses seat 6 in such as Fig. 1 the application of embodiment 5 is fixedly connected by welding in the side in central tube 8
On wall.This connected mode, more firmly, prevents the activity of lower slipses seat 6.It can also pass through the lower slipses seat 6 on central tube 8
Installation site, carry out the connection of the two with design screw thread on the inwall of lower slipses seat 6, more facilitate to scheme dismounting.On
The cushion rubber 9 for stating flow controller is designed as two, and sealing effectiveness is more preferable.
Claims (6)
1. a kind of underground throttle device, including fishing head (3), central tube (8), upper slipses seat (4), slips (5), lower slipses seat (6),
Cushion rubber (9), valve (16) and anti-sand cover (17), it is characterised in that：Fishing head (3) is arranged on upper slipses seat (4) top；Upper slipses
Seat (4) movable set is on central tube (8)；Slips (5) is movably connected on upper slipses seat (4) by pin, slips (5) lower end
Inner side has scalene cone, and outside has latch；Lower slipses seat (6) is fixedly set in the central tube (8) below upper slipses seat (4)
On, and outstanding formation inclined-plane from top to bottom, activity is to when being adjacent to fishing head (3) upwards for the upper slipses seat (4), lower card
The inclined-plane lower end and the scalene cone lower end of slips (5) of watt seat (6) are highly consistent.
2. underground throttle device according to claim 1, it is characterised in that：The lower slipses seat (6) is only with slips (5)
Position set inclined-plane.
3. underground throttle device according to claim 1, it is characterised in that：Latch is inclined upwardly on the outside of the slips (5)
10°-45°。
4. underground throttle device according to claim 3, it is characterised in that：Anti-sand cover (17) is arranged on flow controller bottom,
Inner side sets sand control screens (18), and sand control screens (18) are arranged with sand control screens pressure ring (19).
5. underground throttle device according to claim 1, it is characterised in that：The lower slipses seat (6) is welded on central tube (8)
On wall.
6. according to any described underground throttle device in claim 1-5, it is characterised in that：Cushion rubber (9) is set to two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720092206.0U CN206554895U (en) | 2017-01-17 | 2017-01-17 | A kind of underground throttle device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720092206.0U CN206554895U (en) | 2017-01-17 | 2017-01-17 | A kind of underground throttle device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206554895U true CN206554895U (en) | 2017-10-13 |
Family
ID=60009856
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720092206.0U Active CN206554895U (en) | 2017-01-17 | 2017-01-17 | A kind of underground throttle device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206554895U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106837267A (en) * | 2017-01-17 | 2017-06-13 | 咸阳荣达石油技术服务有限公司 | A kind of underground throttle device |
| CN111197472A (en) * | 2019-12-31 | 2020-05-26 | 鄂尔多斯市天泰石油科技开发有限公司 | Gas well underground composite efficient drainage throttling device |
-
2017
- 2017-01-17 CN CN201720092206.0U patent/CN206554895U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106837267A (en) * | 2017-01-17 | 2017-06-13 | 咸阳荣达石油技术服务有限公司 | A kind of underground throttle device |
| CN111197472A (en) * | 2019-12-31 | 2020-05-26 | 鄂尔多斯市天泰石油科技开发有限公司 | Gas well underground composite efficient drainage throttling device |
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Legal Events
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210512 Address after: 712000 Guorun city a2-2604, Century Avenue, Fengdong new town, Xixian New District, Shaanxi Province Patentee after: XI'AN RONGDA PETROLEUM ENGINEERING Co.,Ltd. Address before: 712000 No.2, 10th floor, building 4, tietoujiayuan, Century Avenue, Fengxi new town, Xixian New District, Shaanxi Province Patentee before: XIANYANG RONGDA PETROLEUM TECHNOLOGY SERVICE Co.,Ltd. |