CN205858240U - Fishing structure for bent sucker rod - Google Patents
Fishing structure for bent sucker rod Download PDFInfo
- Publication number
- CN205858240U CN205858240U CN201620795814.3U CN201620795814U CN205858240U CN 205858240 U CN205858240 U CN 205858240U CN 201620795814 U CN201620795814 U CN 201620795814U CN 205858240 U CN205858240 U CN 205858240U
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- CN
- China
- Prior art keywords
- bent rod
- bayonet socket
- guiding groove
- cylinder
- bent
- 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.)
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- 239000000203 mixture Substances 0.000 claims description 5
- 238000000034 method Methods 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 4
- 238000005452 bending Methods 0.000 description 10
- 238000005086 pumping Methods 0.000 description 6
- 238000005553 drilling Methods 0.000 description 4
- 238000002372 labelling Methods 0.000 description 3
- 241001074085 Scophthalmus aquosus Species 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000001771 impaired effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 241000251468 Actinopterygii Species 0.000 description 1
- 206010060904 Freezing phenomenon Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
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- Earth Drilling (AREA)
Abstract
The utility model discloses a crooked sucker rod salvages structure belongs to the oil field operation field. Crooked sucker rod salvage structure includes: the upper joint, the cylinder body, the bayonet and the guide groove; the upper joint is connected with one end of the cylinder; the other end of the cylinder body is provided with an opening, the side wall of the cylinder body is provided with a guide groove, and the guide groove extends to the middle part of the side wall from the opening and is used for guiding the bent sucker rod to enter the cylinder body; still be provided with on the lateral wall of barrel and be used for the joint crooked sucker rod's bayonet socket, the bayonet socket with the guiding groove intercommunication, the bayonet socket orientation the one end opening of barrel. The method is mainly used for: and fishing the bent sucker rod falling into the well. The problem of low fishing success rate of the bent sucker rod is solved; the effect of improving the fishing success rate of the bent sucker rod is achieved.
Description
Technical field
This utility model relates to oil field operation field, salvages structure particularly to a kind of bent rod.
Background technology
In oil pumping operation process, often there will be and cause sucker rod to be bent owing to oil pipe is disconnected de-to fracture, and then cause taking out
Beam hanger falls the phenomenon of well.For the sucker rod (claiming bent rod afterwards) being bent, need to use after bent rod falls well
Bent rod is salvaged structure and is salvaged.
Currently used bent rod salvages structure for dragging for hook.Salvaging process is: will drag for hook and be lowered in oil well, and pass through
Drag for hook to be caught on by bent rod, then band producing well.
During stating bent rod salvaging structure in realization, inventor finds that prior art at least exists following lacking
Fall into: use drag for hook by bent rod band producing well during, it is easy to rock owing to dragging for hook and cause bent rod
Drop, thus cause salvaging unsuccessfully, salvage inefficient.
Utility model content
In order to solve to salvage present in correlation technique inefficient problem, this utility model provides one bending oil pumping
Structure salvaged by bar.
Described bent rod is salvaged structure and is included: top connection, cylinder, bayonet socket and guiding groove；
Described top connection is connected with one end of described cylinder；
The other end opening of described cylinder, the sidewall of described cylinder is provided with guiding groove, and described guiding groove is opened from described
Mouth extends in the middle part of described sidewall, is used for guiding described bent rod to enter described cylinder；
Being additionally provided with the bayonet socket for bent rod described in clamping on the sidewall of described cylinder, described bayonet socket draws with described
Guide groove connects, and described bayonet socket is towards the one end open of described cylinder.
Optionally, it is characterised in that described guiding groove is by two bar v notch vs of the shaft section symmetry about described cylinder
Composition.
Optionally, it is characterised in that the Zhong Mei side, both sides of described guiding groove is provided with at least one described bayonet socket, is positioned at
The aperture position of the bayonet socket of the both sides of described guiding groove is staggered mutually.
Optionally, it is characterised in that the Zhong Mei side, both sides of described guiding groove is provided with bayonet socket described at least two, at least
The bearing of trend array arrangement of guiding groove described in two described card opening's edges.
Optionally, it is characterised in that it is described that described bent rod salvaging structure also includes that guide shoe, described guide shoe are arranged on
The other end of cylinder, and side is provided with the guide opening connected with described guiding groove.
Optionally, it is characterised in that described guide shoe is asymmetrical toroidal structure, the upper shed of described guide shoe and under
The opening surface of opening is inclined-plane.
Optionally, it is characterised in that the angle of the axis of the opening surface of described upper shed and described cylinder is less than under described
The angle of the axis of the opening surface of opening and described cylinder.
Optionally, it is characterised in that the bearing of trend of described bayonet socket is 30 degree with the angle of the axis of described cylinder.
Optionally, it is characterised in that each described bayonet socket is lacked by two bar shapeds that the shaft section about described cylinder is symmetrical
Mouth composition, in each described bar v notch v, the width of the one end connected with described guiding groove is more than the width of the other end.
The technical scheme that embodiment of the present utility model provides can include following beneficial effect:
The bent rod provided in this utility model embodiment is salvaged structure and is provided with guiding groove and bayonet socket, and guiding groove can
With guide bent rod enter into smoothly in cylinder, then upper carry bent rod salvage structure time, block curved with bayonet socket
Bent sucker rod, thus successfully salvage bending pumping rod, therefore this bent rod salvaging structure is not only simple in structure, and the side of operation
Just, easily salvage.
It should be appreciated that it is only exemplary that above general description and details hereinafter describe, can not be limited this
Utility model.
Accompanying drawing explanation
Accompanying drawing herein is merged in description and constitutes the part of this specification, it is shown that meet of the present utility model
Embodiment, and be used for together explaining principle of the present utility model in description.
Fig. 1 is the front view salvaging structure according to a kind of bent rod shown in an exemplary embodiment；
Fig. 2 is the front view salvaging structure according to a kind of bent rod shown in an exemplary embodiment.
Detailed description of the invention
Here will illustrate exemplary embodiment in detail, its example represents in the accompanying drawings.Explained below relates to
During accompanying drawing, unless otherwise indicated, the same numbers in different accompanying drawings represents same or analogous key element.Following exemplary embodiment
Described in embodiment do not represent all embodiments consistent with this utility model.On the contrary, they be only with such as
The example that aspects that described in detail in appended claims, more of the present utility model are consistent.
Fig. 1 is the front view salvaging structure according to a kind of bent rod shown in an exemplary embodiment, such as Fig. 1 institute
Showing, bent rod is salvaged structure and be may include that top connection 1, cylinder 2, bayonet socket 3 and guiding groove 4.
Top connection 1 is connected with one end 21 of cylinder 2.
The other end 22 opening of cylinder 2, the sidewall of cylinder 2 is provided with guiding groove 4, and guiding groove 4 extends to side from opening
In the middle part of wall, it is used for guiding bent rod to enter cylinder 2.
Being additionally provided with the bayonet socket 3 for clamping bent rod on the sidewall of cylinder 2, bayonet socket 3 connects with guiding groove 4, card
Mouth 3 is towards one end 21 opening of cylinder 2.
In sum, the bent rod provided in this utility model embodiment is salvaged structure and is provided with guiding groove and card
Mouthful, guiding groove can guide bent rod to enter into smoothly in cylinder, then upper carry bent rod salvage structure time, use
Bayonet socket blocks bent rod, thus successfully salvages bending pumping rod, and therefore this bent rod salvaging structure is not only simple in structure,
And easy to operate, easily salvage.
Fig. 2 is the front view salvaging structure according to a kind of bent rod shown in an exemplary embodiment, such as Fig. 2 institute
Showing, bent rod is salvaged structure and be may include that top connection 1, cylinder 2, bayonet socket 3 and guiding groove 4.
Top connection 1 is connected with one end 21 of cylinder 2.
The other end 22 opening of cylinder 2, the sidewall of cylinder 2 is provided with guiding groove 4, and guiding groove 4 extends to side from opening
In the middle part of wall, it is used for guiding bent rod to enter cylinder 2.
Wherein, refer in the middle part of sidewall at the non-edge of sidewall of cylinder 2.
Being additionally provided with the bayonet socket 3 for clamping bent rod on the sidewall of cylinder 2, bayonet socket 3 connects with guiding groove 4, card
Mouth 3 is towards one end 21 opening of cylinder 2.
Use this bent rod salvage structure be curved sucker rod salvage time, top connection 1 upward, cylinder 2 down,
Bent rod is salvaged structure G.I.H, and the bent rod of the well that falls enters into cylinder 2 along guiding groove 4, then, above carries curved
Bent sucker rod salvages structure, so that bent rod is blocked by bayonet socket 3, continuation carries bent rod salvaging structure will fall
The bent rod of well is taken out of, completes to salvage.
It addition, guiding groove 4 can be made up of two bar v notch vs that the shaft section about cylinder 2 is symmetrical.
Optionally, the bottom 41 of two bar v notch vs of composition guiding groove 4 is arc.Due to arc compared with right angle permissible
Well smooth excessiveness, therefore, is set to arc by the bottom 41 of two bar v notch vs of guiding groove 4 and can make guiding groove 4
The smooth-sided of breach is excessive, to prevent the bottom of in use guiding groove 4 from ftractureing.
Optionally, the Zhong Mei side, both sides of guiding groove 4 is provided with at least one bayonet socket.Example, in Fig. 2, guiding
The Zhong Mei side, both sides of groove 4 is provided with 2 bayonet sockets, and the bearing of trend array arrangement of two card opening's edge guiding grooves 4.That is, bending is taken out
Beam hanger salvages (when the bearing of trend of guiding groove 4 and plane-parallel) when structure level is placed, and is provided with in the upside of guiding groove 4
Two bayonet sockets, the respectively first bayonet socket 31 and the second bayonet socket 32, and it is provided with two bayonet sockets in the downside of guiding groove 4, respectively
It is the 3rd bayonet socket 33 and the 4th bayonet socket 34, after arranging multiple bayonet socket, during salvaging, if one of them bayonet socket does not block
Bent rod, another bayonet socket still can block bent rod, to improve fishing success ratio.Such as, bending is being used
During sucker rod salvages structure salvaging bent rod, when bayonet socket 31 does not block bent rod, bent rod
May proceed to fall downwards, during falling, any one bayonet socket in bayonet socket 32, bayonet socket 33 and bayonet socket 34 all may block curved
Bent sucker rod, to improve the success rate that bending oil pumping is salvaged.
Optionally, the Zhong Mei side, both sides of guiding groove 4 can also arrange other number bayonet socket, such as, arranges 5 or 6,
This utility model embodiment is without limitation.
Optionally, the aperture position of the bayonet socket being positioned at the both sides of guiding groove 4 is staggered mutually.Exemplary, as in figure 2 it is shown,
The aperture position of bayonet socket 31 mutually staggers with the position of bayonet socket 33, and the aperture position of bayonet socket 32 is the most wrong with the position of bayonet socket 34
Open.When the aperture position of the bayonet socket of the both sides of guiding groove 4 is staggered mutually, carry out curved using this bent rod to salvage structure
When bent sucker rod is salvaged, when the bayonet socket on a position does not block bent rod, thereunder other any one
Bayonet socket is likely to block bent rod, thus improves the success rate that bent rod is salvaged.
Optionally, bent rod salvaging structure also includes that guide shoe 5, guide shoe 5 are arranged on the other end 22 of cylinder 2.Guide shoe 5
It is made up of the first guide shoe 51 on the upside of guiding groove in Fig. 24 and the second guide shoe 52 on the downside of guiding groove 4, and the side of guide shoe 5 is arranged
There is the guide opening 6 connected with guiding groove 4.Guide shoe 5 enters in guiding groove 4 smoothly for guiding the bent rod of well.
Optionally, guide shoe 5 is asymmetrical toroidal structure, the upper shed 53 of guide shoe 5 and the opening surface of under shed 54
It is inclined-plane.First angle 7 of the axis of the opening surface of upper shed 53 and cylinder 2 is less than opening surface and the cylinder 2 of under shed 54
The second angle 8 of axis.
Wherein, the opening of footwear 5 and guiding groove 4 intersection is guided in the upper shed 53 of guide shoe 5, and the under shed 53 of guide shoe 5 refers to the
The end of one guide shoe 51 and the opening at the end place of the second guide shoe 52.
When the first angle 7 is less than the second angle 8, in Fig. 2, the length of guide shoe 51 on the upside of guiding groove 4 is more than guiding groove 4
The length of the guide shoe 52 of downside, so that the opening surface under shed 54 place of guide shoe 5 increases, and then makes the bending of well
Sucker rod enters in cylinder 2 more easily by guide shoe 5.
Optionally, the bearing of trend of bayonet socket 3 is default angle with the angle of the axis of cylinder, is such as 30 degree or 45
Degree.
Optionally, each bayonet socket is made up of two bar v notch vs that the shaft section about cylinder 2 is symmetrical, each v notch v
In, the width of the one end connected with guiding groove 4 is more than the width of the other end.
Each bayonet socket in bent rod salvages structure is by two bar v notch vs of the shaft section symmetry about cylinder 2
During composition, during being possible to prevent to salvage, (such as, due to the bent rod of the well that falls if one of them breach is damaged
Overweight or owing to exerting oneself in one bayonet socket of senior general when above putting forward bent rod salvaging structure a breach damages by pressure), this card
Mouth also has one and does not has impaired breach, this still can be used not have impaired breach to block bent rod, enter
And improve the success rate of salvaging.
It addition, in each v notch v, the width of the one end connected with guiding groove 4, more than the width of the other end, so makes
The opening obtaining bayonet socket 3 increases, and compared to the bayonet socket of smaller opening, the bayonet socket of larger open is easier to block the bending oil pumping of well
Bar, to improve fishing success ratio.
It addition, when bit freezing phenomenon occurs in the bent rod of the well that falls, it is possible to use the bending that this utility model provides
Sucker rod is salvaged structure and is salvaged part bent rod, and concrete salvaging process is: first salvages structure to bent rod and applies
The power of one horizontal (vertical curve sucker rod salvages the axial of structure), thus reach to apply certain cross force to bent rod
Effect, bent rod rotates under the effect of this cross force, and then makes the interconnective portion of bent rod of bit freezing
Position disconnects, and is divided into two parts, it is achieved salvage the effect of part bent rod.
Additionally, the bent rod using this utility model to provide salvages structure salvages the detailed process of bent rod
For:
The top connection 1 that curved sucker rod is salvaged structure in advance is connected with the end of first oil pipe gone into the well or drilling rod, even
By curved sucker rod knotting structure G.I.H after connecting, when curved sucker rod knotting structure down to the head with the curved sucker rod of the well that falls at a distance of the most extremely
Stop when few 2 meters transferring.Then put on and put twice bent rod salvaging structure, observe weight indicator and also record suspending weight (now
Suspending weight for before not salvaging bent rod, salvage the weight of miscellaneous equipment including structure include bent rod), and
Last root oil pipe or drilling rod at well head carry out labelling (can be by making marks by the way of setting-out on oil pipe or drilling rod), with record
Bent rod salvages the distance between structure and bent rod, then continues to slowly transfer bent rod and salvages structure,
Until bent rod being salvaged structure transfer the position of the head to curved sucker rod, the again last root oil pipe at well head or brill
Carry out labelling on bar, continue slowly to transfer bent rod and salvage structure, if the pressurization that is hampered (is designated as meeting for the first time less than 2 tons
Resistance pressurization, the suspending weight of the pressurization weight indicator that is hampered reduces, and the pressurization that is additionally hampered can not be too big, generally less than 2 tons, if being hampered pressurization
Excessive may cause the sucker rod that again bends), then explanation bent rod enters in cylinder 2, continues to transfer bent rod and beats
Drag for structure, if the value of the pressurization that is hampered is constant, or change in the least scope, then explanation bent rod and bent rod
Salvaging structure to be on same axis, now can continue to transfer bent rod and salvage structure, the total distance transferred is for guiding
The length of groove 4, if the pressurization that is again hampered (be designated as being hampered for the second time pressurization), and the pressurization that is hampered is less than 3 ton hours, and (explanation bending would be taken out
The bottom 41 of the directed groove of beam hanger 4 is blocked), above carry bent rod and salvage structure, if weight indicator suspending weight increase, illustrate to drag for
Succeed.
But, during salvaging bent rod, after the pressurization that is hampered for the first time, continue to transfer bent rod and beat
Dragging for structure, if the value of the pressurization that is hampered changes greatly, then explanation bent rod is not on same axis with bent rod,
If now continuing to transfer bent rod to salvage structure, then can bend bent rod again, therefore, stops transferring, and on
Carry bent rod and salvage 2 meters of structure, labelling carried out by the oil pipe or drilling rod of well head, then the oil pipe of rotary portal or brill
Bar, so that bent rod salvages one angle of structural change, the most slowly transfers bent rod and salvages structure, and repeat
The preceding paragraph is about salvaging the process of bent rod, until salvaging successfully.
The bent rod that this utility model provides salvages structure in addition to can salvaging bent rod, it is also possible to salvage
Other diastrophic fish.
In sum, the bent rod provided in this utility model embodiment is salvaged structure and is provided with guiding groove and multiple
Bayonet socket, guiding groove can guide bent rod to enter into smoothly in cylinder；Set in structure further, since bent rod is salvaged
Put multiple bayonet socket, so when a bayonet socket on bent rod does not block bent rod, on bent rod
Another bayonet socket can also block bent rod, therefore substantially increases the success rate of salvaging.
Those skilled in the art, after considering description and putting into practice invention disclosed herein, will readily occur to this utility model
Other embodiment.The application is intended to any modification of the present utility model, purposes or adaptations, and these become
Type, purposes or adaptations are followed general principle of the present utility model and include undocumented technology of this utility model
Common knowledge in field or conventional techniques means.Description and embodiments is considered only as exemplary, of the present utility model very
Positive scope and spirit are pointed out by claim below.
It should be appreciated that this utility model is not limited to accurate knot described above and illustrated in the accompanying drawings
Structure, and various modifications and changes can carried out without departing from the scope.Scope of the present utility model is only wanted by appended right
Ask and limit.
Claims (9)
1. a bent rod salvages structure, it is characterised in that described bent rod is salvaged structure and included: top connection, cylinder
Body, bayonet socket and guiding groove；
Described top connection is connected with one end of described cylinder；
The other end opening of described cylinder, the sidewall of described cylinder is provided with guiding groove, and described guiding groove prolongs from described opening
Extend in the middle part of described sidewall, be used for guiding described bent rod to enter described cylinder；
The bayonet socket for bent rod described in clamping, described bayonet socket and described guiding groove it is additionally provided with on the sidewall of described cylinder
Connection, described bayonet socket is towards the one end open of described cylinder.
Bent rod the most according to claim 1 salvages structure, it is characterised in that
Described guiding groove is made up of two bar v notch vs that the shaft section about described cylinder is symmetrical.
Bent rod the most according to claim 2 salvages structure, it is characterised in that the Zhong Mei side, both sides of described guiding groove
Being provided with at least one described bayonet socket, the aperture position of the bayonet socket being positioned at the both sides of described guiding groove is staggered mutually.
Bent rod the most according to claim 3 salvages structure, it is characterised in that the Zhong Mei side, both sides of described guiding groove
It is provided with bayonet socket described at least two, the bearing of trend array arrangement of guiding groove described in card opening's edge described at least two.
Bent rod the most according to claim 1 salvages structure, it is characterised in that described bent rod salvages structure
Also include that guide shoe, described guide shoe are arranged on the other end of described cylinder, and side is provided with the guiding connected with described guiding groove
Opening.
Bent rod the most according to claim 5 salvages structure, it is characterised in that described guide shoe is asymmetrical loudspeaker
Degree of lip-rounding structure, the upper shed of described guide shoe and the opening surface of under shed are inclined-plane.
Bent rod the most according to claim 6 salvages structure, it is characterised in that the opening surface of described upper shed and institute
The angle of the axis stating cylinder is less than the angle of the opening surface of described under shed and the axis of described cylinder.
8. salvage structure according to the arbitrary described bent rod of claim 1 to 7, it is characterised in that the extension of described bayonet socket
Direction is 30 degree with the angle of the axis of described cylinder.
Bent rod the most according to claim 1 salvages structure, it is characterised in that each described bayonet socket is by about described
Two bar v notch v compositions that the shaft section of cylinder is symmetrical, in each described bar v notch v, the one end connected with described guiding groove
Width more than the width of the other end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620795814.3U CN205858240U (en) | 2016-07-26 | 2016-07-26 | Fishing structure for bent sucker rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620795814.3U CN205858240U (en) | 2016-07-26 | 2016-07-26 | Fishing structure for bent sucker rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205858240U true CN205858240U (en) | 2017-01-04 |
Family
ID=57648880
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620795814.3U Active CN205858240U (en) | 2016-07-26 | 2016-07-26 | Fishing structure for bent sucker rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205858240U (en) |
-
2016
- 2016-07-26 CN CN201620795814.3U patent/CN205858240U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |