CN205577902U - Integral slips - Google Patents
Integral slips Download PDFInfo
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- CN205577902U CN205577902U CN201620243455.0U CN201620243455U CN205577902U CN 205577902 U CN205577902 U CN 205577902U CN 201620243455 U CN201620243455 U CN 201620243455U CN 205577902 U CN205577902 U CN 205577902U
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- groove
- slips
- once
- monoblock type
- rupture
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Abstract
The utility model provides an integral slips, include: the slips body is for the hollow circular cylinder that has the hollow cylinder chamber, a plurality of opening set up the first end of slips body, a plurality of grooves of once breaking set up the second end of slips body, with the opening is corresponding, a plurality of secondaries groove of breaking evenly sets up per two once break between the groove. The utility model provides an integral slips is through the opening and once break groove, secondary and break the integrated configuration in groove and make the slips take place the even fracture of cubic to guarantee when sit hanging that the slips atress is even, guarantee to sit the success rate of hanging and make the slips can evenly break along prefabricated stress groove sitting when hanging, guarantee reliable the seat and hang.
Description
Technical field
This utility model relates to petroleum oil well completion field of tool, particularly relates to a kind of monoblock type slips.
Background technology
In Oil/gas Well development process, when formation testing, acidifying, pressure break, oil recovery closure, will
Pit shaft is carried out blocks or be separated into multiple well section and carries out operation.In addition to packer, cement plug, bridge
Plug is pit shaft layering or the Main Means of segmentation packing, and bridging plug staged fracturing technology is oil-gas field development mistake
The reservoir reconstruction Technology of a kind of advanced person in journey, have that working procedure is few, the cycle is short, gaza's amount big,
Card envelope position feature accurately, slips is the major part of bridging plug, and its structure directly influences bridging plug
Integral seat is hung and packing performance.
After bridging plug staged fracturing, need to be bored and remove, it is desirable to bridging plug entirety has good boring
Property, slips divides from material typically composite and two kinds of metal material, and composite easily bores milling,
But there is difficulty processing, need to increase thickness proof strength, high in cost of production restriction, be frequently used for latus rectum
On little bridging plug, and the metal material slips suitability is strong, is widely adopted at present.From structure mainly
There are split type slips and monoblock type slips.Split type slips needs processing specific when assembling and enter well
One group of slips is fettered by slips garter spring in the axial direction, prevents slips from loosening and is scattered, the most split type
The bulk strength of slips is restricted by slips garter spring groove, causes split type card tile structure general more thick
Weight, and symmetry is poor.
Completion bridging plug develops towards big orifice direction at present, thinner to the thickness requirement of slips, gold
The monoblock type card tilt sickness belonging to material is thin, intensity is high, property placed in the middle is good, easily bore, and is therefore widely used in big
In latus rectum bridging plug, its rely primarily on prefabricated stress groove rupture realize seat hang, outer circle slip insert realize hold
Carrying, therefore slips processing technique determines seat extension power and the uniform force of slips, thus also determines
The packing effect of slips load performance and bridging plug.
Utility model content
Feature and advantage of the present utility model are partly stated, or can retouch from this
State it is clear that or can learn by putting into practice this utility model.
For overcoming problem of the prior art, this utility model provides a kind of monoblock type slips, and its feature exists
In, including: slips body, for having the hollow circular cylinder in hollow cylinder chamber；Multiple gap, are arranged
The first end at described slips body；Multiple once rupture groove, be arranged on the second of described slips body
End, corresponding with described gap；Multiple secondaries rupture groove, are uniformly arranged on described in each two and once break
Split between groove.
According to an embodiment of the present utility model, also include guiding surface, be arranged on described slips originally
On the inner cylinder face of the first end of body.
According in an embodiment of the present utility model, described guiding surface and described hollow cylinder chamber
The inclination angle of heart line is 15 ° to 20 °.
According to an embodiment of the present utility model, also include supporting oblique surface, be arranged on described slips originally
On the inner cylinder face of the second end of body.
According in an embodiment of the present utility model, described supporting oblique surface and described hollow cylinder chamber
The inclination angle of heart line is 30 ° to 50 °.
According to an embodiment of the present utility model, described once rupture groove or described secondary ruptures groove and prolongs
Extend on described guiding surface.
According to an embodiment of the present utility model, described gap is U-shaped, is evenly distributed on described card
On the circumference of the first end of watt body；The described groove that once ruptures is evenly distributed on the of described slips body
On the inner cylinder face of two ends；Described secondary ruptures groove and is also arranged on the second end interior of described slips body
On the face of cylinder
According to an embodiment of the present utility model, the described radial depth of groove that once ruptures is more than described
Secondary ruptures the radial depth of groove.
According to an embodiment of the present utility model, the number of described gap once ruptures groove than described
The most two of number；Once rupture described in each two and be provided with odd number secondary between groove and rupture groove；And
Described odd number secondary rupture in groove in the middle of a secondary to rupture groove corresponding with described gap.
According to an embodiment of the present utility model, 2 of the described number once rupturing groove；Described
The number of gap is 4；Once rupture described in each two and between groove, be provided with 3 or 5 described secondaries
Rupture groove.
This utility model provides a kind of monoblock type slips so that it is can be along prefabricated stress groove when sitting and hanging
Uniformly rupture, it is ensured that reliably sit extension.
By reading description, those of ordinary skill in the art will be best understood these technical schemes
Feature and content.
Accompanying drawing explanation
Below with reference to accompanying drawing and combine example and be specifically described this utility model, of the present utility model
Advantage and implementation will become apparent from, and wherein content shown in accompanying drawing is only used for of the present utility model
Illustrate, and do not constitute the restriction gone up in all senses of the present utility model, in the accompanying drawings:
Fig. 1 is the structural representation of the monoblock type slips of this utility model embodiment.
Fig. 2 is the top view of the monoblock type slips of this utility model embodiment.
Fig. 3 is the half sectional view of the monoblock type slips of this utility model embodiment.
Fig. 4 is the schematic diagram after the monoblock type slips of this utility model embodiment is inserted in pushing sleeve.
Detailed description of the invention
As shown in Figures 1 to 4, this utility model provides a kind of monoblock type slips 50 to include slips body
10, slips body 10 is the hollow circular cylinder with hollow cylinder chamber 11, and slip insert 13 is arranged on card
The outer surface of watt body 10.
First end 17 of slips body 10 is provided with multiple gap 21, in the present embodiment, gap
U-shaped, it is evenly distributed on the circumference of the first end 17 of slips body 10；At slips body 10
Second end 19 is provided with and multiple once ruptures groove 31 and multiple secondary ruptures groove 32, and wherein, these are many
The individual groove 31 that once ruptures is uniformly arranged on the inner cylinder face of the second end 19 of slips body 10, and these are many
Individual secondary ruptures groove 32 and is also disposed on the inner cylinder face of the second end 19 of slips body 10, and uniformly
It is distributed in each two once to rupture between groove 31.
The above-mentioned groove 31 that once ruptures is symmetrically distributed in the inner surface of slips body, for when bridging plug is sat and hung
Fracture realizes bridging plug and sits extension；Gap 21 once ruptures groove 31 for realizing rupturing for the first time seat for assistance
Hanging, the structure of this gap 21 can be sat extension power, card tilt sickness according to bridging plug and once rupture groove structure and carry out
Design；Secondary ruptures groove 32 can be after bridging plug be sat and is hung, along with the increase of operation pressure realizes rupturing, from
And increase the contact area of slips and outer layer sleeve, reduce the damage to sleeve pipe, improve to sit and hang reliability.
In this utility model, the number of gap 21 is than the most two of the number once rupturing groove 31；
Each two once ruptures and is provided with odd number secondary between groove and ruptures groove；And during odd number secondary ruptures in groove
Between a secondary to rupture groove corresponding with gap.For example, in the enforcement shown in Fig. 1 and Fig. 2
In example, the number of gap 21 is 4, is evenly distributed on the circumference of the first end 17 of slips body 10
On；Once rupture 2 of number of groove 31, be symmetrically distributed in the second end 19 of slips body 10
On inner cylinder face and corresponding with two gap 21 being oppositely arranged；Secondary ruptures the number of groove 32
Be 10, i.e. each two once ruptures and is just provided with 5 secondaries between groove 31 and ruptures groove, these 5 two
Secondary to rupture angle between groove be 30 °, is positioned at the secondary that these 5 secondaries rupture in the middle of groove and ruptures groove 32a
Also relative with gap 21.In another embodiment of the present utility model, it is 6 that secondary ruptures the number of groove
Individual, i.e. each two once ruptures and is just provided with 3 secondaries between groove and ruptures groove, and is positioned at this 3 secondaries
Rupturing the secondary in the middle of groove, to rupture groove also relative with gap.
In the present embodiment, the inner cylinder face of the first end 17 of slips body 10 is additionally provided with guiding tiltedly
Face 12, guiding surface 12 is 15 ° to 20 ° with the inclination angle of the centrage in hollow cylinder chamber, such as
It it is 18 °；This guiding surface 12 contributes to the seat of monoblock type slips 50 and hangs.For avoiding slips being subject to
It is pressed down, at the inner cylinder face of the second end 19 of slips body 10 due to cantilever beam effect during high pressure
On be additionally provided with supporting oblique surface 14, supporting oblique surface 14 is 30 with the inclination angle of the centrage in hollow cylinder chamber
° to 50 °, e.g. 40 °.
Once rupture groove 31 and secondary to rupture groove 32 all axially extending along cylinder from supporting oblique surface 14
To guiding surface 12.Preferably, the radial depth once rupturing groove 31 ruptures groove 32 more than secondary
Radial depth；It is to say, once rupture between groove 31 and the second end 19 outer wall of slips body
Distance is less than the spacing of the second end 19 outer wall rupturing groove 32 slips body with secondary.The present embodiment
In, as in figure 2 it is shown, once rupture the radial depth of groove 31 and the radial height phase of supporting oblique surface 14
Deng, secondary ruptures the 1/4 to 3/4 of the radial height that radial depth is supporting oblique surface 14 of groove 32, example
In this way 1/2.
Refer to Fig. 4, when the monoblock type slips 50 provided by this utility model is inserted in slips pushing sleeve 40
Time, fit in the supporting oblique surface 14 on monoblock type slips 50 and the inclined-plane 41 on slips pushing sleeve 40.Will
When cone 60 is inserted in pushing sleeve 40, the inclined-plane 61 in cone 60 and the guiding on monoblock type slips 50 are oblique
Fitting in face 12, the anti-rotation ribs in cone 60 is inserted in the gap 21 of monoblock type slips 40.
By the gap number shown in Fig. 1 and Fig. 2, once rupture groove and as a example by secondary ruptures the number of groove,
Cone 60 jam-packed monoblock type slips 50 under external force, in all of 4 gap 21, with one
Secondary two opening positions rupturing groove 31 corresponding are the weakest, therefore after thrust arrives to a certain degree,
Monoblock type slips 50 can be broken into two equal lobe slips at these two opening positions；Hereafter, rupture with secondary
Two corresponding for groove 32a opening positions are the weakest, therefore when continuing to add high thrust, and this two lobes card
Watt can respectively be broken into two equal lobes, the most now rupturing corresponding for groove 32a two opening position with secondary
Monoblock type slips 50 is broken off in equal-sized pintongs slips.High pressure is born when this pintongs slips continues
Time, it may occur that third time fracture, every lobe slips is disconnected can be cleaved into equal-sized three lobes, so far, whole
Fragmentation is claimed uniform 12 lobes by body formula slips 50, it is ensured that slips uniform force on the whole.
According to rupturing requirement, it is also possible to secondary is ruptured groove quantity and changes to 6, i.e. at adjacent two
Once rupture and be respectively arranged with 3 secondaries between groove and rupture groove.Now, hold when pintongs slips equal in magnitude continues
During by high pressure, it may occur that third time fracture, every lobe slips is disconnected can be cleaved into equal-sized two lobes, extremely
This, fragmentation is claimed uniform eight lobes by monoblock type slips 50, it is ensured that slips uniform force on the whole.
The monoblock type slips that this utility model provides passes through gap and once ruptures groove, secondary ruptures groove
Combinative structure makes slips that three uniform fractures to occur, thus ensures slips uniform force when sitting and hanging,
Ensure that sitting the success rate hung makes slips uniformly can rupture along prefabricated stress groove when sitting and hanging, it is ensured that reliable
Sit and hang；Additionally, this utility model is risen by being arranged on when slips is sat and hung consequence by high pressure of supporting oblique surface
Supporting role, prevents slips to be pressed down due to cantilever beam effect when by high pressure.
Illustrating preferred embodiment of the present utility model above by reference to accompanying drawing, those skilled in the art do not take off
From scope and spirit of the present utility model, multiple flexible program can be had to realize this utility model.Citing
For, the feature as the shown partially of an embodiment or description can be used for another embodiment to obtain
Another embodiment.These are only the embodiment that this utility model is the most feasible, not thereby limit to
Interest field of the present utility model, the equivalence that all utilization this utility model description and accompanying drawing content are made
Change, within being both contained in interest field of the present utility model.
Claims (10)
1. a monoblock type slips, it is characterised in that including:
Slips body, for having the hollow circular cylinder in hollow cylinder chamber；
Multiple gap, are arranged on the first end of described slips body；
Multiple once rupture groove, be arranged on the second end of described slips body, corresponding with described gap；
Multiple secondaries rupture groove, are uniformly arranged on described in each two and once rupture between groove.
The most according to claim 1, monoblock type slips, it is characterised in that also include guiding surface, on the inner cylinder face of the first end being arranged on described slips body.
Monoblock type slips the most according to claim 2, it is characterised in that described guiding surface is 15 ° to 20 ° with the inclination angle of the centrage in described hollow cylinder chamber.
Monoblock type slips the most according to claim 2, it is characterised in that described once rupture groove or described secondary ruptures groove and extends on described guiding surface.
The most according to claim 1, monoblock type slips, it is characterised in that also include supporting oblique surface, on the inner cylinder face of the second end being arranged on described slips body.
Monoblock type slips the most according to claim 5, it is characterised in that described supporting oblique surface is 30 ° to 50 ° with the inclination angle of the centrage in described hollow cylinder chamber.
The most according to claim 1, monoblock type slips, it is characterised in that described gap is U-shaped, on the circumference of the first end being evenly distributed on described slips body；On the described inner cylinder face once rupturing the second end that groove is evenly distributed on described slips body；Described secondary ruptures on the inner cylinder face of the second end that groove is also arranged on described slips body.
Monoblock type slips the most according to claim 1, it is characterised in that the described radial depth once rupturing groove ruptures the radial depth of groove more than described secondary.
Monoblock type slips the most according to claim 1, it is characterised in that the number of described gap is than described the most two of the number once rupturing groove；Once rupture described in each two and be provided with odd number secondary between groove and rupture groove；And described odd number secondary ruptures a secondary in the middle of in groove, and to rupture groove corresponding with described gap.
Monoblock type slips the most according to claim 9, it is characterised in that 2 of the described number once rupturing groove；The number of described gap is 4；Once rupture described in each two and be provided with 3 between groove or 5 described secondaries rupture groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620243455.0U CN205577902U (en) | 2016-03-28 | 2016-03-28 | Integral slips |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620243455.0U CN205577902U (en) | 2016-03-28 | 2016-03-28 | Integral slips |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205577902U true CN205577902U (en) | 2016-09-14 |
Family
ID=56866788
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620243455.0U Active CN205577902U (en) | 2016-03-28 | 2016-03-28 | Integral slips |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205577902U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108643849A (en) * | 2018-04-11 | 2018-10-12 | 中国石油天然气股份有限公司 | Solvable slips and solvable bridge plug |
| CN108716379A (en) * | 2018-07-25 | 2018-10-30 | 百勤能源科技（惠州）有限公司 | A kind of solvable bridge plug of big orifice |
| CN109519146A (en) * | 2018-12-26 | 2019-03-26 | 四川长宁天然气开发有限责任公司 | A kind of solvable bridge plug of small size |
| CN110331959A (en) * | 2019-07-31 | 2019-10-15 | 西南石油大学 | A kind of capping tools |
| CN115467640A (en) * | 2022-09-17 | 2022-12-13 | 大庆市亚盛油田技术开发有限公司 | Small-diameter drillable plugging bridge plug |
-
2016
- 2016-03-28 CN CN201620243455.0U patent/CN205577902U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108643849A (en) * | 2018-04-11 | 2018-10-12 | 中国石油天然气股份有限公司 | Solvable slips and solvable bridge plug |
| CN108716379A (en) * | 2018-07-25 | 2018-10-30 | 百勤能源科技（惠州）有限公司 | A kind of solvable bridge plug of big orifice |
| CN109519146A (en) * | 2018-12-26 | 2019-03-26 | 四川长宁天然气开发有限责任公司 | A kind of solvable bridge plug of small size |
| CN110331959A (en) * | 2019-07-31 | 2019-10-15 | 西南石油大学 | A kind of capping tools |
| CN115467640A (en) * | 2022-09-17 | 2022-12-13 | 大庆市亚盛油田技术开发有限公司 | Small-diameter drillable plugging bridge plug |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |