CN106837267A - A kind of underground throttle device - Google Patents
A kind of underground throttle device Download PDFInfo
- Publication number
- CN106837267A CN106837267A CN201710053358.4A CN201710053358A CN106837267A CN 106837267 A CN106837267 A CN 106837267A CN 201710053358 A CN201710053358 A CN 201710053358A CN 106837267 A CN106837267 A CN 106837267A
- Authority
- CN
- China
- Prior art keywords
- slips
- seat
- slipses seat
- throttle device
- underground throttle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000004576 sand Substances 0.000 claims description 22
- 229910000831 Steel Inorganic materials 0.000 abstract description 11
- 239000010959 steel Substances 0.000 abstract description 11
- 238000011900 installation process Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 abstract description 2
- 230000008569 process Effects 0.000 abstract description 2
- 230000005484 gravity Effects 0.000 description 6
- 230000009471 action Effects 0.000 description 4
- 238000003825 pressing Methods 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 238000011982 device technology Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 238000009987 spinning Methods 0.000 description 2
- 241000239290 Araneae Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/12—Methods or apparatus for controlling the flow of the obtained fluid to or in wells
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B23/00—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells
- E21B23/01—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells for anchoring the tools or the like
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Mechanically-Actuated Valves (AREA)
Abstract
The present invention relates 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) are fixedly set on the central tube (8) below upper slipses seat (4), and from top to bottom outwardly form inclined-plane, activity is when fishing head (3) are adjacent to upwards for upper slipses seat (4), and the inclined-plane lower end of lower slipses seat (6) is highly consistent with the scalene cone lower end of slips (5).The whipping in flow controller launch process is avoided, it is time saving and energy saving, and break pin is fixed or steel wire also will not arbitrarily be broken in installation process in installation process, delivers and more facilitates.
Description
Technical field
The present invention relates 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 2-7/8 " 2-3/8 " 3- in applying at the scene at present
1/2 " movable underground throttle of oil pipe.This movable underground throttle can set deep in design according to design needs
Degree, using steel wire rope pulling.
Pulling is two work progress delivered and salvage.Current movable underground throttle is needed in dispensing or salvaging
To be transferred in well using steel wire and be constructed.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, and lubricator is installed
On well head, because lubricator is more long, it is necessary to carry out the installation of lubricator with crane.After lubricator is installed, well head is opened
Valve, will be entered in oil pipe with test steel wire under underground throttle device and tool string, after projected depth is reached, parking suddenly, now
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, the inertia produced when it is more by upper and lower 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, complete to deliver 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, regular appearance gasoline economizer during upper and lower whipping
Also it is fitted without and cuts short pin and broken, and whipping is all deducted a percentage the quality that whipping steel wire also has oscillator up and down
Requirement very high.The flow controller that can be conveniently installed after cannot also completing directly to be delivered without whipping in the prior art.
The content of the invention
Simple underground throttle device is delivered the invention provides one kind, flow controller in the prior art is solved and is delivered trouble,
Break pin is fixed or delivers the technical problem that steel wire is easily fitted without just fracture in flow controller.
The technical scheme is that a kind of underground throttle device, including fishing head, central tube, upper slipses seat, slips, lower card
Watt seat, cushion rubber, valve and anti-sand cover, fishing head are arranged on upper slipses seat top；Upper slipses seat movable set, can on central tube
To drive slips freely up and down, in the presence of no external force, because Action of Gravity Field upper slipses seat can fall and lower slipses
Seat is connected.Slips is movably connected on upper slipses seat by pin, is capable of achieving slips around pin rotation.Slips lower end inside has
There is scalene cone to be engaged with the inclined-plane of lower slipses seat, i.e., because Action of Gravity Field upper slipses seat is moved downward, the inclined-plane of slips is under
Slip spider opens in the presence of inclined-plane.Lower slipses seat outside has latch, and flow controller is pulled up after slips opens, the slips of a card
Can keep a firm hand on tubing wall, the latch that slips is outer time can promote this grip.Lower slipses seat is fixedly set in upper slipses seat lower section
Central tube on, and from top to bottom outwardly form inclined-plane, when the upper slipses seat is adjacent to fishing head, lower slipses seat it is oblique
Face lower end is highly consistent with slips scalene cone lower end.
The lower slipses seat is preferred only to set inclined-plane 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.
The special design of beneficial effect upper slipses seat of the present invention, slips, lower slipses seat is avoided in flow controller launch process
Whipping, it is time saving and energy saving, and break pin is fixed or steel wire also will not arbitrarily be broken in installation process in installation process, delivers more
It is convenient.
Brief description of the drawings
In order to illustrate more clearly of technical scheme, embodiment will be described below needed for accompanying drawing make simple
Introduce, it should be apparent that, drawings in the following description are only some embodiments of the present invention, to those of ordinary skill in the art
For, on the premise of not paying creative work, other accompanying drawings can also be obtained according to these accompanying drawings, these accompanying drawings institute is straight
Connecing the technical scheme for obtaining should also belong to protection scope of the present invention.Fig. 1 is the structural representation of underground throttle device of the present invention.
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
Specific embodiment
To enable the above objects, features and advantages of the present invention more obvious understandable, below to specific reality of the invention
The mode of applying elaborates.Elaborate many details in order to fully understand the present invention in the following description.But this
Invention can be implemented with being much different from other manner described here, and those skilled in the art can be without prejudice to the present invention
Similar improvement is done in the case of intension, therefore the present invention is not limited by following public specific embodiment.
Embodiment 1 is the technical scheme is that a kind of underground throttle device, includes delivering first 1, pin 2 as shown in Figure 1, beats
Drag for first 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 10, spine
Ring gear 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 17, sand control
Net 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, can on central tube 8
To drive slips 5 freely up and down, in the presence of no external force, because Action of Gravity Field upper slipses seat 4 can fall and lower card
Watt seat 6 is connected.And slips 5 is movably connected on upper slipses seat 4 by pin, slips 5 is capable of achieving around pin rotation.Slips 6
There is lower end inside scalene cone to be engaged with the inclined-plane of lower slipses seat 6, i.e., because Action of Gravity Field upper slipses seat 4 is moved downward, block
Opened in the presence of the inclined-plane of lower slipses seat 6 on watts 5 inclined-plane.Lower slipses seat 6 outside have latch, after slips 5 opens on
Flow controller is drawn, the slips 5 of a card can be kept a firm hand on tubing wall, and the latch on the outside of slips can promote this grip.Lower slipses seat 6 is consolidated
Surely it is sleeved on the central tube 8 of the lower section of upper slipses seat 4, and from top to bottom outwardly forms inclined-plane, when upper slipses seat 4 and card
Watts 5 upwards motion when, slips 5 can under gravity think that central tube 8 is tightened up.When upper slipses seat 4 is adjacent to fishing head, lower slipses
The inclined-plane lower end of seat 6 is highly consistent with the scalene cone lower end of slips 5.Flow controller in the technical scheme, simple structure, slips
5 are only needed under gravity with regard to expansible clamping, complete the installation of flow controller, it is to avoid flow controller of the prior art was delivered
Journey needs whipping energetically, time saving and energy saving, delivers simpler convenience.
Lower slipses seat 6 is preferred only on the position setting inclined-plane with slips as described in Figure 1 for embodiment 2, and without card
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
Can be to ensure being stuck on tubing wall of being more prone to of slips 5, on the other hand when flow controller is salvaged, be also easier to
Fall.The outside latch of slips 5 is preferably to be inclined upwardly 30 ° in this programme, and clamping of this angle to slips 5 on tubing wall is 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 of central tube 8
On wall.This connected mode, more firmly, prevents the activity of lower slipses seat 6.It can also be by the lower slipses seat 6 on central tube 8
Installation site, with the inwall of lower slipses seat 6 on design screw thread and carry out the connection of the two, 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) are fixedly set in the central tube (8) below upper slipses seat (4)
On, and inclined-plane is from top to bottom outwardly formed, upper slipses seat (4) are movable when fishing head (3) are adjacent to upwards, lower card
The inclined-plane lower end of watt seat (6) is highly consistent with the scalene cone lower end of slips (5).
2. underground throttle device according to claim 1, it is characterised in that：Lower slipses seat (6) preferably only have
The position of slips (5) sets inclined-plane.
3. underground throttle device according to claim 1, it is characterised in that：Slips (5) outside latch is preferably upward
Incline 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：Lower slipses seat (6) are welded on central tube (8)
On wall.
6. according to any described underground throttle device in claim 1-5, it is characterised in that：It is two that cushion rubber (9) is preferable to provide
It is individual.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710053358.4A CN106837267A (en) | 2017-01-17 | 2017-01-17 | A kind of underground throttle device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710053358.4A CN106837267A (en) | 2017-01-17 | 2017-01-17 | A kind of underground throttle device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106837267A true CN106837267A (en) | 2017-06-13 |
Family
ID=59120650
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710053358.4A Pending CN106837267A (en) | 2017-01-17 | 2017-01-17 | A kind of underground throttle device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106837267A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201620783U (en) * | 2010-03-31 | 2010-11-03 | 中国石油天然气股份有限公司 | Slip type underground foaming device |
| CN101949281A (en) * | 2010-09-21 | 2011-01-19 | 中国石油天然气股份有限公司 | A downhole restrictor |
| CN201802371U (en) * | 2010-09-07 | 2011-04-20 | 中国石油天然气股份有限公司 | A suspended speed tailpipe |
| CN202273660U (en) * | 2011-10-10 | 2012-06-13 | 西南石油大学 | Anti-receding and sand prevention underground throttle capable of being put in and pulled out |
| CN203891852U (en) * | 2014-06-06 | 2014-10-22 | 中国石油集团川庆钻探工程有限公司工程技术研究院 | Sand blocking prevention downhole restriction choke easy to unlock |
| US20160222755A1 (en) * | 2015-02-02 | 2016-08-04 | Per Angman | Tension release packer for a bottomhole assembly |
| CN206554895U (en) * | 2017-01-17 | 2017-10-13 | 咸阳荣达石油技术服务有限公司 | A kind of underground throttle device |
-
2017
- 2017-01-17 CN CN201710053358.4A patent/CN106837267A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201620783U (en) * | 2010-03-31 | 2010-11-03 | 中国石油天然气股份有限公司 | Slip type underground foaming device |
| CN201802371U (en) * | 2010-09-07 | 2011-04-20 | 中国石油天然气股份有限公司 | A suspended speed tailpipe |
| CN101949281A (en) * | 2010-09-21 | 2011-01-19 | 中国石油天然气股份有限公司 | A downhole restrictor |
| CN202273660U (en) * | 2011-10-10 | 2012-06-13 | 西南石油大学 | Anti-receding and sand prevention underground throttle capable of being put in and pulled out |
| CN203891852U (en) * | 2014-06-06 | 2014-10-22 | 中国石油集团川庆钻探工程有限公司工程技术研究院 | Sand blocking prevention downhole restriction choke easy to unlock |
| US20160222755A1 (en) * | 2015-02-02 | 2016-08-04 | Per Angman | Tension release packer for a bottomhole assembly |
| CN206554895U (en) * | 2017-01-17 | 2017-10-13 | 咸阳荣达石油技术服务有限公司 | A kind of underground throttle device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20210511 Address after: 712000 Guorun city a2-2604, Century Avenue, Fengdong new town, Xixian New District, Shaanxi Province Applicant 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 Applicant before: XIANYANG RONGDA PETROLEUM TECHNOLOGY SERVICE Co.,Ltd. |
|
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170613 |