CN107701148A - A kind of interior anchoring type closure tubing valve and its method of work - Google Patents
A kind of interior anchoring type closure tubing valve and its method of work Download PDFInfo
- Publication number
- CN107701148A CN107701148A CN201711071304.7A CN201711071304A CN107701148A CN 107701148 A CN107701148 A CN 107701148A CN 201711071304 A CN201711071304 A CN 201711071304A CN 107701148 A CN107701148 A CN 107701148A
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- Prior art keywords
- valve body
- piston
- slips
- oil pipe
- anchoring type
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- 238000004873 anchoring Methods 0.000 title claims abstract description 36
- 238000000034 method Methods 0.000 title claims abstract description 10
- 230000000903 blocking effect Effects 0.000 claims abstract description 11
- 238000007789 sealing Methods 0.000 claims description 17
- 238000009434 installation Methods 0.000 abstract description 5
- 239000012530 fluid Substances 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000003209 petroleum derivative Substances 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
- E21B34/00—Valve arrangements for boreholes or wells
- E21B34/02—Valve arrangements for boreholes or wells in well heads
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- 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)
- Piles And Underground Anchors (AREA)
Abstract
The invention discloses a kind of interior anchoring type closure tubing valve and its method of work, including ball valve mechanism and the interior anchor mechanism being arranged in the ball valve mechanism, the ball valve mechanism includes upper valve body and the lower valve body being set in together, the junction of the upper valve body and lower valve body is provided with the spin-block for blocking oil pipe internal channel, the interior anchor mechanism is arranged in the lower valve body, including the slips being symmetricly set in lower valve body, jump ring is provided between two slips, the lower end of each slips is connected with the piston mechanism being arranged on the back-up ring respectively, the power pump interface for connecting external impetus pump is provided with piston mechanism, the lower valve body bottom is provided with back-up ring.The present invention can realize rapid anchor stand oil pipe outer wall using interior anchor mechanism, eliminate conventional oil pipe cock make-up risk of failure, simple installation and grappling is reliable.
Description
Technical field
The invention belongs to petroleum-gas fiedl well workover technology field, and in particular to a kind of interior anchoring type closure tubing valve and its work
Method.
Background technology
In conventional workover treatment, oil pipe cock is used in well head closure oil pipe more.Oil pipe cock is connected with oil pipe by screw thread
Connect, can fluid effectively in control oil pipe, block oil pipe internal channel.Oil pipe cock has the advantages that simple in construction, cost is relatively low.
But when oily tube fluid is a large amount of, quickly gush out when, due to fluid impact, oil pipe cock and oil pipe make-up difficulty are larger, due to having
Oil pipe cock throttling action, upper button is difficult, is easily caused oil pipe cock and oil pipe connection failure, out of control so as to extend oily tube fluid
Fluid operation fails in time, or even control oil pipe.And oil pipe thread, when damaging, oil pipe cock can not connect with it
Even.
Therefore, it is necessary to provide a kind of new oil pipe internal channel control instrument, drawbacks described above is overcome
The content of the invention
In view of the above-mentioned deficiencies in the prior art, the technical problem to be solved by the present invention is that provide a kind of interior anchoring type
Tubing valve and its method of work are blocked, the reliability of grappling can be ensured, improves the simplicity of installation and dismounting.
The present invention uses following technical scheme:
A kind of interior anchoring type closure tubing valve, including ball valve mechanism and the interior grappling machine that is arranged in the ball valve mechanism
Structure, the ball valve mechanism include upper valve body and the lower valve body being set in together, set in the junction of the upper valve body and lower valve body
The spin-block for blocking oil pipe internal channel is equipped with, the interior anchor mechanism is arranged in the lower valve body, including is symmetricly set on
Slips in lower valve body, be provided with jump ring between two slips, the lower end of each slips respectively be arranged on it is described
Piston mechanism connection on back-up ring, is provided with the power pump interface for connecting external impetus pump, under described on piston mechanism
Body base is provided with back-up ring.
Further, the piston mechanism includes the piston seat being symmetricly set on the back-up ring, each piston seat
Inside it is provided with a piston and is used for one slips of corresponding connection.
Further, the back-up ring and lower valve body, the piston seat and the back-up ring and lower valve body and the work
Sealing ring is provided between plug and piston seat.
Further, the spin-block is connected by cutting ferrule with the upper valve body.
Further, it is provided with sealing ring between the cutting ferrule and the upper valve body.
A kind of method of work of interior anchoring type closure tubing valve, comprises the following steps:
S1, interior anchoring type quick blocking tubing valve is inserted in oil pipe end face vertically, spin-block is turned into vertical direction, opened
The internal channel of interior anchoring type closure tubing valve;
S2, hydraulic hand-pump is opened, hydraulic pressure is pumped into by kinetic pump interface, promote piston stroking upward, piston promotes slips edge
Creep axially upwards, radially inward the movement of anchoring type closure tubing valve center, until slips touches oil-pipe external wall, continue pump
Enter hydraulic pressure, slips anchoring to oil-pipe external wall;
S3, spin-block is turned to horizontal direction, block oil pipe internal channel, while oil is made by upper and lower sealing ring sealing tool
Pipe ring is empty, completes grappling, closure oil pipe.
Further, after the completion of step S3, hydraulic hand-pump carries out pressure discharge operations, in descent of piston to piston seat, jump ring
Radially outer crowded slips, resets slips, takes out from oil pipe end face instrument.
Compared with prior art, the present invention at least has the advantages that:
Anchoring type blocks tubing valve, including ball valve mechanism and the interior anchor mechanism that is arranged in ball valve mechanism in the present invention,
Ball valve mechanism includes upper valve body and lower valve body, the spin-block for blocking oil pipe internal channel is provided with upper valve body, spin-block passes through
Cutting ferrule is connected with upper valve body, and interior anchor mechanism is arranged in the lower valve body, and lower valve body bottom is provided with back-up ring, grappling in composition
Formula blocks tubing valve, and rapid anchor stand oil pipe outer wall can be realized using interior anchor mechanism, eliminates conventional oil pipe cock make-up failure wind
Danger, simple installation and grappling is reliable.
Further, interior anchor mechanism includes symmetrically arranged slips, and jump ring, each slips are provided between two slips
Lower end connect piston mechanism respectively, piston mechanism connects external impetus pump by power pump interface, using hydraulic unit, simplifies
Operation, improve grappling reliability.
Further, between back-up ring and lower valve body, piston seat and back-up ring and lower valve body and piston and piston seat, in cutting ferrule
Sealing ring, sealed reliable are provided between upper valve body.
The invention also discloses a kind of method of work of interior anchoring type closure tubing valve, spin-block is first turned into vertical side
To the internal channel of anchoring type closure tubing valve, oil pipe end face is inserted in by interior anchoring type quick blocking tubing valve vertically in opening;So
After open hydraulic hand-pump, hydraulic pressure is pumped into by ultromotivity pump interface, promotes piston stroking upward, piston promotes slips axially upward
Creep, the movement of anchoring type closure tubing valve center, until slips touches oil-pipe external wall, continues to be pumped into hydraulic pressure radially inward,
Slips anchoring is to oil-pipe external wall;Then spin-block is turned into horizontal direction, blocks oil pipe internal channel, while by upper and lower sealing ring
Sealing tool and oil pipe annular space, complete grappling, closure oil pipe, can realize during the workover treatment in anchoring type quick blocking
The quick connection of tubing valve and oil pipe, and oil pipe internal channel is blocked, sealed reliable, after the end of job, interior anchoring type can be realized
The fast quick-detach of quick blocking tubing valve and oil pipe.
Below by drawings and examples, technical scheme is described in further detail.
Brief description of the drawings
Fig. 1 is the section of structure of present invention closure tubing valve;
Fig. 2 is present invention closure tubing valve working condition profile.
Wherein:1. upper valve body;2. cutting ferrule;3. spin-block;4. slips;5. jump ring;6. piston;7. power pump interface;8. piston
Seat;9. lower valve body;10. back-up ring;11. sealing ring.
Embodiment
In the description of the invention, it is to be understood that term " on ", " under ", " vertical ", " level ", " top ", " bottom ",
The orientation or position relationship of the instructions such as " interior ", " outer " are based on orientation shown in the drawings or position relationship, are for only for ease of and retouch
State the present invention and simplify description, rather than indicate or imply that signified device or element there must be specific orientation, with specific
Azimuth configuration and operation, therefore be not considered as limiting the invention.
In the description of the invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected;Can
To be mechanical connection or electrical connection;Can be joined directly together, can also be indirectly connected by intermediary, Ke Yishi
The connection of two element internals.For the ordinary skill in the art, with concrete condition above-mentioned term can be understood at this
Concrete meaning in invention.
, can be in workover treatment using quick interior anchor mechanism the invention provides a kind of interior anchoring type closure tubing valve
During realize in anchoring type quick blocking tubing valve and oil pipe quick connection, and block oil pipe internal channel sealed reliable, make
After industry terminates, the fast quick-detach of interior anchoring type quick blocking tubing valve and oil pipe can be realized.
Referring to Fig. 1, a kind of interior anchoring type closure tubing valve of the present invention, including ball valve mechanism and it is arranged in ball valve mechanism
Interior anchor mechanism, ball valve mechanism includes the upper valve body 1 that is set in together and lower valve body 9, is provided with upper valve body 1 for sealing
The spin-block 3 of stifled oil pipe internal channel, spin-block 3 are connected by cutting ferrule 2 with the upper valve body 1, and interior anchor mechanism is arranged on the lower valve
In body 9, the bottom of lower valve body 9 is provided with back-up ring 10, and anchoring type blocks tubing valve in composition.
Interior anchor mechanism includes the slips 4 being symmetricly set in the lower valve body 9, and jump ring is provided between the slips 4
5, the lower end of each slips 4 is connected with the piston mechanism being arranged on the back-up ring 10 respectively, is set on the piston mechanism
Power pump interface 7 is equipped with, for connecting the kinetic pump being arranged on outside the lower valve body 9.
The piston mechanism includes the piston seat 8 being symmetricly set on the back-up ring 10, is set in each piston seat 8
There is a piston 6 to be used for one slips 4 of corresponding connection.
The back-up ring 10 and lower valve body 9, the piston seat 8 and the back-up ring 10 and lower valve body 9 and the piston 6
Sealing ring 11 is provided between piston seat 8.
Sealing ring 11 is provided between the cutting ferrule 2 and the upper valve body 1.
Referring to Fig. 2, the method for work of the present invention is as follows:
Spin-block 3 is turned into vertical direction, opens instrument internal channel;
Interior anchoring type quick blocking tubing valve is inserted in oil pipe end face vertically, hydraulic hand-pump is opened, is connect by kinetic pump
Mouth 7 is pumped into hydraulic pressure, promotes piston 6 up, and piston 6 promotes slips 4 to creep axially upward, is radially moved to tool focus,
Until slips 4 contacts oil-pipe external wall, continue to be pumped into hydraulic pressure, slips 4 is anchored into oil-pipe external wall.
Spin-block 3 is turned into horizontal direction, blocks oil pipe internal channel, while oil pipe is made by upper and lower sealing ring sealing tool
Annular space, complete grappling, closure oil pipe.
After the completion of operation, power pump interface 7 uses hydraulic hand-pump pressure release, and piston 6 comes downwards to piston seat, and jump ring 4 is along footpath
Outwards crowded slips 4, resets slips 4, takes out from oil pipe end face instrument.
A kind of interior anchoring type closure tubing valve of the present invention, has the features such as simple installation, grappling is reliable, sealed reliable, can
For during workover treatment in quick control oil pipe fluid demand.
The technological thought of above content only to illustrate the invention, it is impossible to protection scope of the present invention is limited with this, it is every to press
According to technological thought proposed by the present invention, any change done on the basis of technical scheme, claims of the present invention is each fallen within
Protection domain within.
Claims (7)
- A kind of 1. interior anchoring type closure tubing valve, it is characterised in that including ball valve mechanism and interior anchor mechanism, the ball valve mechanism Including the upper valve body (1) being set in together and lower valve body (9), it is provided with the junction of the upper valve body (1) and lower valve body (9) For blocking the spin-block (3) of oil pipe internal channel, lower valve body (9) bottom is provided with back-up ring (10), and the interior anchor mechanism is set Put in the lower valve body (9), including the slips (4) being symmetricly set in lower valve body, be provided between two slips (4) Jump ring (5), the lower end of each slips (4) is connected with the piston mechanism being arranged on the back-up ring (10) respectively, in piston The power pump interface (7) for connecting external impetus pump is provided with mechanism.
- 2. a kind of interior anchoring type closure tubing valve according to claim 1, it is characterised in that the piston mechanism includes pair Claim to be arranged on piston seat (8) on the back-up ring (10), a piston (6) is provided with each piston seat (8) and is used for pair A slips (4) should be connected.
- A kind of 3. interior anchoring type closure tubing valve according to claim 2, it is characterised in that the back-up ring (10) and described Lower valve body (9), the piston seat (8) and the back-up ring (10) and lower valve body (9) and the piston (6) and piston seat (8) it Between be provided with sealing ring (11).
- 4. a kind of interior anchoring type closure tubing valve according to claim 1, it is characterised in that the spin-block (3) passes through card Set (2) is connected with the upper valve body (1).
- A kind of 5. interior anchoring type closure tubing valve according to claim 4, it is characterised in that the cutting ferrule (2) with it is described Sealing ring (11) is provided between upper valve body (1).
- 6. the method for work of interior anchoring type closure tubing valve according to any one of claim 1 to 5, it is characterised in that bag Include following steps:S1, spin-block (3) turns to vertical direction, the internal channel of anchoring type closure tubing valve, quick by interior anchoring type in opening Closure tubing valve is inserted in oil pipe end face vertically;S2, hydraulic hand-pump is opened, hydraulic pressure is pumped into by power pump interface (7), promote piston (6) up, piston (6) push card Watt (4) creep axially upward, radially inward the movement of anchoring type closure tubing valve center, until slips (4) touches oil pipe Outer wall, continue to be pumped into hydraulic pressure, slips (4) is anchored into oil-pipe external wall;S3, spin-block (3) is turned to horizontal direction, block oil pipe internal channel, while oil pipe is made by upper and lower sealing ring sealing tool Annular space, complete grappling, closure oil pipe.
- 7. the method for work of a kind of interior anchoring type closure tubing valve according to claim 6, it is characterised in that step S3 is complete Cheng Hou, pressure discharge operations are carried out using hydraulic hand-pump, piston (6) is come downwards in piston seat, the radially outer crowded slips of jump ring (5) (4), reset slips (4), take out from oil pipe end face instrument.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201711071304.7A CN107701148A (en) | 2017-11-03 | 2017-11-03 | A kind of interior anchoring type closure tubing valve and its method of work |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201711071304.7A CN107701148A (en) | 2017-11-03 | 2017-11-03 | A kind of interior anchoring type closure tubing valve and its method of work |
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Publication Number | Publication Date |
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CN107701148A true CN107701148A (en) | 2018-02-16 |
Family
ID=61176724
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CN201711071304.7A Pending CN107701148A (en) | 2017-11-03 | 2017-11-03 | A kind of interior anchoring type closure tubing valve and its method of work |
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Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4890674A (en) * | 1988-12-16 | 1990-01-02 | Otis Engineering Corporation | Flapper valve protection |
US20040016550A1 (en) * | 2002-07-25 | 2004-01-29 | Dearing David G. | Retrievable packer having a positively operated support ring |
CN200949439Y (en) * | 2006-08-08 | 2007-09-19 | 美国钻采系统(上海)有限公司 | Oil pipe hanger device with cut-off valve |
CN201050326Y (en) * | 2007-05-22 | 2008-04-23 | 辽河石油勘探局 | Rotary type oil pipe high pressure plugging device |
CN101781977A (en) * | 2010-01-11 | 2010-07-21 | 中国石油化工股份有限公司 | Bidirectional high-pressure detachable bridge plug |
CN201615239U (en) * | 2009-07-24 | 2010-10-27 | 盐城华跃石油机械制造有限公司 | Pressure balancing plug valve |
CN104213863A (en) * | 2014-09-05 | 2014-12-17 | 胜利油田北方实业集团有限责任公司 | Injection well oil jacket plugging device |
US20150315869A1 (en) * | 2014-04-30 | 2015-11-05 | Harold Wayne Landry | Wellhead safety valve assembly |
CN106639950A (en) * | 2015-10-30 | 2017-05-10 | 上海新莲泵阀有限公司 | Well head device with ball valve backpressure function |
US20170198532A1 (en) * | 2015-10-06 | 2017-07-13 | Stuart McLaughlin | Hydraulic-Mechanical Pipe Connector for Tool Connection and Pipe Splicing |
-
2017
- 2017-11-03 CN CN201711071304.7A patent/CN107701148A/en active Pending
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4890674A (en) * | 1988-12-16 | 1990-01-02 | Otis Engineering Corporation | Flapper valve protection |
US20040016550A1 (en) * | 2002-07-25 | 2004-01-29 | Dearing David G. | Retrievable packer having a positively operated support ring |
CN200949439Y (en) * | 2006-08-08 | 2007-09-19 | 美国钻采系统(上海)有限公司 | Oil pipe hanger device with cut-off valve |
CN201050326Y (en) * | 2007-05-22 | 2008-04-23 | 辽河石油勘探局 | Rotary type oil pipe high pressure plugging device |
CN201615239U (en) * | 2009-07-24 | 2010-10-27 | 盐城华跃石油机械制造有限公司 | Pressure balancing plug valve |
CN101781977A (en) * | 2010-01-11 | 2010-07-21 | 中国石油化工股份有限公司 | Bidirectional high-pressure detachable bridge plug |
US20150315869A1 (en) * | 2014-04-30 | 2015-11-05 | Harold Wayne Landry | Wellhead safety valve assembly |
CN104213863A (en) * | 2014-09-05 | 2014-12-17 | 胜利油田北方实业集团有限责任公司 | Injection well oil jacket plugging device |
US20170198532A1 (en) * | 2015-10-06 | 2017-07-13 | Stuart McLaughlin | Hydraulic-Mechanical Pipe Connector for Tool Connection and Pipe Splicing |
CN106639950A (en) * | 2015-10-30 | 2017-05-10 | 上海新莲泵阀有限公司 | Well head device with ball valve backpressure function |
Non-Patent Citations (1)
Title |
---|
韩静静等: "远程控制液压油管防顶防喷装置的研制", 《石油机械》, vol. 45, no. 1, pages 1 * |
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