CN207485401U - For the setting mechanism in the anti-midway of Y211 packer card-locked types - Google Patents
For the setting mechanism in the anti-midway of Y211 packer card-locked types Download PDFInfo
- Publication number
- CN207485401U CN207485401U CN201721621090.1U CN201721621090U CN207485401U CN 207485401 U CN207485401 U CN 207485401U CN 201721621090 U CN201721621090 U CN 201721621090U CN 207485401 U CN207485401 U CN 207485401U
- Authority
- CN
- China
- Prior art keywords
- lock
- wall
- pintle hook
- tube
- axostylus axostyle
- 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.)
- Expired - Fee Related
Links
- 210000000078 claw Anatomy 0.000 claims abstract description 35
- 230000005540 biological transmission Effects 0.000 claims abstract description 9
- 238000013016 damping Methods 0.000 claims abstract description 9
- 238000007789 sealing Methods 0.000 claims description 21
- 238000010276 construction Methods 0.000 abstract description 4
- 230000002028 premature Effects 0.000 abstract description 2
- 238000012856 packing Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 230000020477 pH reduction Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
Landscapes
- Earth Drilling (AREA)
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
The utility model discloses one kind for the setting mechanism in the anti-midway of Y211 packer card-locked types, including axostylus axostyle, spring, lock mechanism and release set；Lock mechanism includes lock claw, lock tube and pintle hook lock；Axostylus axostyle and pintle hook lock are sleeved on the outside of central tube from top to bottom, and lock claw is sleeved on the outside of axostylus axostyle, and lock tube is sleeved on the outside of pintle hook lock and release set, and connect fixation with release external threading；Lock claw ball-shaped end is in the annular groove of pintle hook lock outer wall and ball-shaped end is pressed and be fixed in annular groove and forms locking relation by the annular flange that passes through on the inner wall of lock tube top；Release set is set with by shear pin and is fixed in lower contact；An annular space space connected with the damping hole and pressure transmission hole being opened on the side wall of pintle hook lock and central tube is formed between lock tube, pintle hook lock and release set；This is used for the setting mechanism in the anti-midway of Y211 packer card-locked types and locks slips centralizer and lower contact, avoids premature setting of the packer during going into the well, and further improves the success rate of packer construction.
Description
Technical field
The utility model is related to the Y211 packer technologies fields of oil gas well mining, more particularly to a kind of to be sealed for Y211
Every the setting mechanism in the anti-midway of device card-locked type.
Background technology
Y211 packers are one of common tools in petroleum industry separate stratum fracfturing, acidification, test technology, setting mode letter
It is single.Setting for packer is, to after design position, will to be lifted from the top and puted down guide rail under tool by tubing string and set, and compression packing element is to insulate oil
Cover annular space, this requires packer reach design well depth before cannot set, otherwise to packing element serious wear, construction is caused to be lost
It loses.
During lower packet, due to that cannot be precisely controlled in well head, operation, serious appearance midway sets existing
As being more than 3000 meters or more oil wells especially to current operation well depth, so frequently setting, packer is not also lower to design
Before well depth position, packing element has been ground away, and construction is caused to fail.Not only increase cost, also add labour or even delay operation
Period.
Utility model content
The purpose of this utility model be to provide it is a kind of can prevent packer premature setting for Y211 packer pintle hook locks
The setting mechanism in the anti-midway of formula.
For this purpose, technical solutions of the utility model are as follows：
One kind is for the setting mechanism in the anti-midway of Y211 packer card-locked types, including axostylus axostyle, spring, lock mechanism and release
Set；Lock mechanism includes lock claw, lock tube and pintle hook lock；Axostylus axostyle and pintle hook lock are sleeved on the outside of central tube, lock claw suit from top to bottom
In the outside of axostylus axostyle；Release is sleeved on the outside of lower contact and passes through peripherally disposed multiple shear pins and is fixed on down
On connector；Lock tube is sleeved on the outside of pintle hook lock and release set, and connect fixation with release external threading；Wherein, lock claw by end cylinder and
The multiple along the circumferential direction uniformly distributed pawl valves being downwardly extending from end cylinder bottom surface are formed, and each pawl valve bottom terminal ends are inside
The ball-shaped end of side protrusion；The top outer diameter of pintle hook lock is less than lower outer diameter, and it is recessed to offer in the external wall of upper portion of pintle hook lock annular
Slot, the position that opens up of annular groove are adapted with size with the size of lock claw bottom end ball-shaped end and position respectively, make lock claw every
The ball-shaped end of a pawl valve is embedded in the annular flange in annular groove and passed through on the inner wall of lock tube top and presses ball-shaped end
And it is fixed in annular groove；Spring is sleeved on the outside of axostylus axostyle with compressive state and is set on the inside of lock claw；Outside the lower part of pintle hook lock
Diameter is less than top outer diameter, makes to be formed with an annular space space, and self-locking card lower part outer wall is radially between lock tube, pintle hook lock and release set
It opens and offers multiple along the circumferential direction uniformly distributed damping holes and pressure transmission hole on the side wall of pintle hook lock and central tube respectively, damping hole,
It is interconnected between pressure transmission hole and annular space space.
Further, baffle ring is set on the outer wall of axostylus axostyle bottom end, the top of spring is made to be against on the lower face of lock claw end cylinder,
Bottom end is press-fitted on baffle ring.
Further, by being provided with, at least sealing ring forms sealing together between pintle hook lock inner wall and center pipe outer wall；Lock
By being provided with, at least sealing ring forms sealing together between card outer wall and lock tube inner wall.
Further, by being provided with, at least sealing ring forms sealing together between release set inner wall and center pipe outer wall；
By being provided with, at least sealing ring forms sealing together between release set outer wall and lock tube inner wall.
Further, axostylus axostyle top outer wall is equipped with the annular to cooperate with the annular flange set on slip ring sleeve inner wall
Flange, the annular flange of slip ring sleeve top inner wall are press-fitted on the upper surface of the annular flange on inner wall, make axostylus axostyle and slip ring sleeve
Connection.
It is simple that this is used for the setting mechanism structure in the anti-midway of Y211 packer card-locked types, passes through lock claw and pintle hook lock end jog
The engagement of position, the slips centralizer locking that will freely slide up and down, overcomes previous packer carrying during going into the well
Before the defects of setting, the midway accident that avoids going into the well occurs, reduces operation difficulty, effectively increase operating speed, further improve
The success rate of packer construction.
Description of the drawings
Fig. 1 is the utility model for the structural representation before the setting mechanism release in the anti-midway of Y211 packer card-locked types
Figure；
Fig. 2 is the partial enlarged view of Fig. 1；
Fig. 3 is the utility model for the structural representation after the setting mechanism release in the anti-midway of Y211 packer card-locked types
Figure.
Specific embodiment
Below in conjunction with the accompanying drawings and specific embodiment is described further the utility model, but following embodiments are right absolutely not
The utility model has any restrictions.
As shown in Figure 1, this, which is used for the setting mechanism in the anti-midway of Y211 packer card-locked types, includes axostylus axostyle 6, spring 7, pintle hook lock machine
Structure and release set 20；Lock mechanism includes lock claw 8, lock tube 11 and pintle hook lock 12；Wherein,
Axostylus axostyle 6 and pintle hook lock 12 are sleeved on the outside of central tube 17 from top to bottom, and axostylus axostyle 6 and pintle hook lock 12 are arranged at intervals；Lock
Pawl 8 is sleeved on the outside of axostylus axostyle 6；Lock tube 11 is sleeved on the outside of pintle hook lock 12 and release set 20, and is threadedly coupled with release set 20
It is fixed；
It is locked as shown in Fig. 2, forming the lock claw 8 of lock mechanism, lock tube 11 and pintle hook lock 12 and cooperating；Specifically, lock claw 8
It is made of end cylinder and the multiple along the circumferential direction uniformly distributed pawl valves being downwardly extending from end cylinder bottom surface, and each pawl valve bottom end end
Portion is ball-shaped end 22 raised inwardly；Pintle hook lock 12 is tube structure, and upper part outer diameter is less than lower outer diameter, pintle hook lock 12
Offer annular groove 23 in external wall of upper portion, annular groove 23 open up position and size respectively with 8 bottom end ball-shaped end of lock claw
22 size and position are adapted, and are made in the embedded annular groove 23 of ball-shaped end 22 of 8 each pawl valve of lock claw and are passed through lock tube
Ball-shaped end 22 is pressed and is fixed in annular groove 23 by the annular flange 24 on 11 top inner walls；
Spring 7 is sleeved on 6 outside of axostylus axostyle and is set to 8 inside of lock claw, and the end cylinder internal diameter of lock claw 8 is less than, outside 6 bottom end of axostylus axostyle
Be set on wall and be fixed with baffle ring 9, make spring 7 by its top be against 8 end of lock claw cylinder lower face on, bottom end be press-fitted to baffle ring
On 9, it is fixed in the space between axostylus axostyle 6 and lock claw 8 with the state of compression；
Release set 20 is sleeved on 21 outside of lower contact and passes through 4~6 peripherally disposed shear pins 19 and fixes
In lower contact 21；The lower outer diameter of pintle hook lock 12 is less than top outer diameter, and is arranged at intervals between pintle hook lock 12 and release set 20, makes
The annular space space that a section is L-shaped is formed between lock tube 11, pintle hook lock 12 and release set 20；12 lower part outer wall of self-locking card is radially
It opens and offers multiple along the circumferential direction uniformly distributed damping holes 14 and pressure transmission hole 15 on the side wall of pintle hook lock 12 and central tube 17 respectively,
It is interconnected between damping hole 14, pressure transmission hole 15 and annular space space；In use, the highly pressurised liquid in central tube 17 can lead to successively
It crosses pressure transmission hole 15 and damping hole 14 enters in annular space space, applying downward thrust to release set extremely cuts shear pin 19.
To ensure the leakproofness of device, the first sealing ring 10 and second is respectively arranged on the inner and outer wall of pintle hook lock 12
Sealing ring 13 makes between the inner wall of pintle hook lock 12 and the outer wall of central tube 17, between the inner wall of the outer wall of pintle hook lock 12 and lock tube 11 point
It Xing Cheng not seal；Meanwhile third sealing ring and 16 and the 4th sealing ring are respectively arranged on the outer wall and inner wall of release set 20
18, make between the outer wall of release set 20 and the inner wall of lock tube 11, the outer wall of the inner wall and central tube 17 of release set 20 is respectively formed
Sealing.
In use, the setting mechanism in the anti-midway of the card-locked type is sleeved on 17 outside of central tube, and it is arranged on 1 He of slips centralizer
Between lower contact 21, while in the initial state, pass through slips centralizer 1 and lower contact 21 by axostylus axostyle 6 and release set 20
The setting mechanism connection in the anti-midway of the card-locked type is fixed；Specifically,
The slip ring sleeve 2 for being threaded in 1 bottom end of slips centralizer is processed as tube structure, and middle part inner wall is equipped with first
Annular flange, lower inner diameter are more than upper inner diameter, make between slip ring sleeve 2 and central tube 17 that there are an accommodating spaces；6 top of axostylus axostyle
Outer wall is equipped with the second annular flange to cooperate with the first annular flange on 2 inner wall of slip ring sleeve, by annular by second
The lower face of flange is press-fitted on the upper surface of first annular flange, and axostylus axostyle 6 is made to link together with slip ring sleeve 2；Wherein, axostylus axostyle
6 tops are against on the bottom surface for the slip ring 5 for being equipped with track nail 5；Occur between slip ring sleeve 2 and slips centralizer 1 in order to prevent de-
Button prevents slip ring sleeve 2 to be fixed on slips centralizer 1 by peripherally disposed 4~6 steady nails 3；In addition, lock claw 8 with
There are the spaces for 8 uplink of lock claw between the lower face of first annular flange, have realized the lock claw after unlock 8 and pintle hook lock 12
It is fully separating；
Lower contact 21 is threaded in 17 bottom end of central tube；Under original state, since release set 20 passes through shear pin 19
It is fixed in lower contact 21, forms interrelated fixation and lock tube between lock claw 8, lock tube 11 and the pintle hook lock 12 of lock mechanism
11 are threadedly coupled fixation with release set 20, realize that lower contact 21 connect fixation with the setting mechanism in the anti-midway of the card-locked type；Meanwhile
The middle part outer wall of lower contact 21 is equipped with an annular stop boss, for limiting the distance of release 20 downlinks of set；12 lower part of pintle hook lock
Inner wall is formed with the ring-shaped step to cooperate with 21 top of lower contact to contract, makes the ring-shaped step lower end face pressure of pintle hook lock 12
On the upper surface for fitting over lower contact 21, the limiting to pintle hook lock 12 is realized.
When carrying out lower well operations, it will be equipped under the Y211 packers to after design position, land used face-pumping is suppressed, central tube
Pressure transmission hole 15 on 17 is interior by the damping hole 14 of the liquid press-in pintle hook lock 12 in oil pipe and flows into lock tube 11, pintle hook lock 12 and release set
20 annular space spaces surrounded, i.e., in hydraulic cavities, hydraulic action is on the upper surface of release set 20, when fluid pressure reaches design pressure
During force value, shear pin 19 is cut, release set 20 is released, and with 11 downlink of lock tube, the pawl valve of lock claw 8 obtains release set 20
Release, and then the pawl valve of lock claw 8 opens naturally under own resilient effect, and the ball-shaped end 22 of 8 bottom end of lock claw is made to be detached from pintle hook lock
12 annular groove 23, while the uplink under the elastic force effect of spring 7 of lock claw 8 is pulled in the inner cavity of slip ring sleeve 2, slips righting
Device 1 is detached from lower contact 21 and realizes unfreezing, as shown in Figure 3；Packer can further carry out packing operation.
Claims (5)
1. a kind of setting mechanism in the anti-midway of card-locked type for Y211 packers, which is characterized in that including axostylus axostyle (6), spring
(7), lock mechanism and release set (20)；Lock mechanism includes lock claw (8), lock tube (11) and pintle hook lock (12)；Axostylus axostyle (6) and pintle hook lock
(12) it is sleeved on from top to bottom on the outside of central tube (17), lock claw (8) is sleeved on the outside of axostylus axostyle (6)；Release set (20) is sleeved on
It is fixed in lower contact (21) on the outside of lower contact (21) and by peripherally disposed multiple shear pins；Lock tube (11) covers
Fixation is threadedly coupled mounted in the outside of pintle hook lock (12) and release set (20), and with release set (20)；Wherein, lock claw (8) is by end cylinder
Formed with the multiple along the circumferential direction uniformly distributed pawl valves being downwardly extending from end cylinder bottom surface, and each pawl valve bottom terminal ends be to
The ball-shaped end (22) of inner bulge；The top outer diameter of pintle hook lock (12) is less than lower outer diameter, and in the external wall of upper portion of pintle hook lock (12)
On offer annular groove (23), annular groove (23) open up position and size respectively with lock claw (8) bottom end ball-shaped end
(22) size and position is adapted, and is made in the embedded annular groove (23) of ball-shaped end (22) of each pawl valve of lock claw (8) simultaneously
Ball-shaped end (22) is pressed by the annular flange (24) on the inner wall of lock tube (11) top and is fixed in annular groove (23)；
Spring (7) is sleeved on the outside of axostylus axostyle (6) and is set on the inside of lock claw (8) with compressive state；The lower outer diameter of pintle hook lock (12) is less than
Top outer diameter makes to be formed with an annular space space, and self-locking card (12) lower part between lock tube (11), pintle hook lock (12) and release set (20)
Outer wall is radially opened offers multiple along the circumferential direction uniformly distributed dampings on the side wall of pintle hook lock (12) and central tube (17) respectively
Hole (14) and pressure transmission hole (15), damping hole (14), pressure transmission hole (15) are interconnected between annular space space.
2. according to claim 1 be used for the setting mechanism in the anti-midway of Y211 packer card-locked types, which is characterized in that axostylus axostyle (6) bottom
End outer wall on be set with baffle ring (9), make spring (7) top be against lock claw (8) end cylinder lower face on, bottom end be press-fitted to baffle ring
(9) on.
3. according to claim 1 be used for the setting mechanism in the anti-midway of Y211 packer card-locked types, which is characterized in that in pintle hook lock (12)
Between wall and central tube (17) outer wall sealing is formed by being provided at least one of sealing ring；Pintle hook lock (12) outer wall and lock tube (11)
Between inner wall sealing is formed by being provided at least one of sealing ring.
4. according to claim 1 be used for the setting mechanism in the anti-midway of Y211 packer card-locked types, which is characterized in that release set (20)
Between inner wall and central tube (17) outer wall sealing is formed by being provided at least one of sealing ring；Release set (20) outer wall and lock tube
(11) between inner wall sealing is formed by being provided at least one of sealing ring.
5. according to claim 1 be used for the setting mechanism in the anti-midway of Y211 packer card-locked types, which is characterized in that axostylus axostyle (6) pushes up
End outer wall is equipped with the annular flange to cooperate with the annular flange that is set on slip ring sleeve (2) inner wall, in slip ring sleeve (2) top
The annular flange of wall is press-fitted on the upper surface of the annular flange on inner wall, and axostylus axostyle (6) is made to be connect with slip ring sleeve (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721621090.1U CN207485401U (en) | 2017-11-29 | 2017-11-29 | For the setting mechanism in the anti-midway of Y211 packer card-locked types |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721621090.1U CN207485401U (en) | 2017-11-29 | 2017-11-29 | For the setting mechanism in the anti-midway of Y211 packer card-locked types |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207485401U true CN207485401U (en) | 2018-06-12 |
Family
ID=62472836
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721621090.1U Expired - Fee Related CN207485401U (en) | 2017-11-29 | 2017-11-29 | For the setting mechanism in the anti-midway of Y211 packer card-locked types |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207485401U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111206900A (en) * | 2020-01-08 | 2020-05-29 | 王成军 | Bidirectional anchoring packer for oil field |
-
2017
- 2017-11-29 CN CN201721621090.1U patent/CN207485401U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111206900A (en) * | 2020-01-08 | 2020-05-29 | 王成军 | Bidirectional anchoring packer for oil field |
| CN111206900B (en) * | 2020-01-08 | 2020-10-09 | 王成军 | Bidirectional anchoring packer for oil field |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210910 Address after: 100007 No. 9 North Main Street, Dongcheng District, Beijing, Dongzhimen Patentee after: CHINA NATIONAL PETROLEUM Corp. Patentee after: CNPC Bohai Drilling Engineering Co.,Ltd. Address before: 300457 Tianjin Binhai New Area Development Zone Second Avenue 83, China Petroleum Tianjin building Bohai Drilling Engineering Co., Ltd. Patentee before: CNPC Bohai Drilling Engineering Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180612 |