CN205714019U - One subtracts torsion fall resistance regulator - Google Patents
One subtracts torsion fall resistance regulator Download PDFInfo
- Publication number
- CN205714019U CN205714019U CN201620384723.0U CN201620384723U CN205714019U CN 205714019 U CN205714019 U CN 205714019U CN 201620384723 U CN201620384723 U CN 201620384723U CN 205714019 U CN205714019 U CN 205714019U
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- regulator
- fall resistance
- ball
- subtract
- torsion fall
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Abstract
The utility model proposes one and subtract torsion fall resistance regulator, it is provided with a regulator body in a tubular form, the outside of described regulator body is from top to bottom sequentially provided with a spacing ring, the centralizer body that can rotate and a retaining ring, its upper and lower two ends have been correspondingly formed box and pin thread, being sealed mutually by face seal arrangement respectively between the two ends of described centralizer body with described spacing ring and retaining ring, described retaining ring is threadeded with described regulator body.Of the present utility model subtract torsion fall resistance regulator, can subtract when drillng operation torsion fall resistance, to reduce the drag and torque in drilling process to greatest extent, it is ensured that drilling process safe, quick, be smoothed out.
Description
Technical field
This utility model belongs to petroleum works field, in particular it relates to one subtracts torsion fall resistance regulator.
Background technology
During oil/gas drilling, regulator is very important downhole tool, can play straight well anti-oblique, control well
Eye track and the effect of raising bit operation stability.But, during the use of drilling well regulator, stable
Device is relatively big with the frictional resistance of the borehole wall, and moment of torsion increases the most therewith, even causes situation about cannot enter down time serious.
At present, the three basic forms of it of regulator: stiff stability device, do not rotate rubber sleeve regulator and idler wheel stabilizer.
Wherein, stiff stability device includes two kinds of helical form, straight rib, all can do growing or short, with adapt to various stratum and
Technological requirement, is most popular regulator, but when using in down-hole, the frictional resistance of existing stiff stability device is excessive,
It is unfavorable for the operation of drilling well；The major advantage not rotating rubber sleeve regulator is to destroy the borehole wall, uses safety, but
It does not possess the ability of the finishing borehole wall, adds and is limited by downhole temperature, and service life is low, so range of application is the least.
The major advantage of idler wheel stabilizer (also referred to as gear wheel reamers) is the ability having the stronger finishing borehole wall, and well can be kept to advise
Then, it is mainly used in abrasive layer, is not suitable for drillng operation.
In view of this, the design people, according to being engaged in the production design experiences of this area and association area for many years, develops one
Plant and subtract torsion fall resistance regulator, to the problem solving prior art existence.
Utility model content
The purpose of this utility model is to be to provide one to subtract torsion fall resistance regulator, can subtract torsion fall when drillng operation
Resistance, to reduce the drag and torque in drilling process to greatest extent, it is ensured that drilling process safe, quick, enter smoothly
OK.
To this end, the utility model proposes one to subtract torsion fall resistance regulator, it is provided with a regulator body in a tubular form, institute
The outside stating regulator body is from top to bottom sequentially provided with a spacing ring, the centralizer body that can rotate and a retaining ring, its
Two ends have been correspondingly formed box and pin thread up and down, between two ends and described spacing ring and the retaining ring of described centralizer body respectively
Being sealed mutually by face seal arrangement, described retaining ring is threadeded with described regulator body.
Subtract torsion fall resistance regulator as above, wherein, be additionally provided with one and can make described centralizer body and described regulator body
Bearing portion in relative rotation, described bearing portion is socketed on the body of described regulator, and its two ends are corresponding with described spacing ring
And retaining ring abuts against, described centralizer body is sheathed on the outside of described bearing portion.
Subtracting torsion fall resistance regulator as above, wherein, described bearing portion includes two needle bearings and is arranged on two institutes
Stating the spacer between needle bearing, described needle bearing and spacer are socketed on the body of described regulator.
Subtracting torsion fall resistance regulator as above, wherein, described needle bearing includes an inner ring and multiple needle roller, institute
Stating inner ring to be socketed on the body of described regulator, what each described needle roller can rotate is embedded on described inner ring, and along described
The circumference of inner ring is uniform, and described centralizer body contacts with each described needle roller.
Subtracting torsion fall resistance regulator as above, wherein, described face seals is a rubber seal, described in two
Rubber seal is embedded at lower surface and the upper end surface of described retaining ring of described spacing ring, and corresponding and institute respectively
Upper surface and the lower surface of stating centralizer body contact.
Subtracting torsion fall resistance regulator as above, wherein, the lower surface of described spacing ring is near the recessed shape of outer edge
Cheng Youyi the first mounting plane, circumferentially spaced on described first mounting plane is provided with multiple first arc groove, described in hold up
The upper surface of roman is formed with one first annular groove corresponding to each described first arc groove, and each described first arc groove is with described
One first ball it is embedded with respectively between first annular groove.
Subtracting torsion fall resistance regulator as above, wherein, the upper surface of described retaining ring is near the recessed shape of outer edge
Cheng Youyi the second mounting plane, described second mounting plane is formed one second annular groove, the lower surface of described centralizer body
It is provided with multiple second arc groove, each described second arc groove and described second corresponding to described second annular groove is circumferentially spaced
One second ball it is embedded with respectively between annular groove.
Subtracting torsion fall resistance regulator as above, wherein, the described rubber between described spacing ring and described centralizer body is close
Seal is embedded on described first mounting plane, and adjacent to the outside of each described first ball, described centralizer body and institute
State the described rubber seal between retaining ring to be embedded on described second mounting plane, and adjacent to each described second rolling
The outside of pearl.
Subtracting torsion fall resistance regulator as above, wherein, the cross section of described first arc groove and the first annular groove is with described
The concave arc shape of the mating shapes of the first ball, the cross section of described second arc groove and the second annular groove is and described second
The concave arc shape of the mating shapes of ball.
Subtract torsion fall resistance regulator as above, wherein, the righting strip of described centralizer body be provided with multiple multi-directional ball,
Each described multi-directional ball is spaced setting along the length direction of described righting strip.
Subtracting torsion fall resistance regulator as above, wherein, the outer peripheral face of described retaining ring lower end is regular polygon.
Subtracting torsion fall resistance regulator as above, wherein, described spacing ring is convexly equipped in the outer peripheral face of described regulator body,
It is formed in one with described regulator body, and described spacing ring is gradually increased by the external diameter of its epimere to hypomere.
The utility model proposes subtract torsion fall resistance regulator, by arrange regulator body, centralizer body, lock sleeve and
Bearing portions etc., utilize relatively rotating of centralizer body and regulator body, can reduce moment of torsion greatly, nor affect on straight
Well is anti-oblique, control well track and the effect of raising bit operation stability；By setting on the righting strip of centralizer body
Put multi-directional ball, the drilling process eye frictional resistance along borehole axis direction can be reduced, reach to assist the effect subtracting torsion.Universal
The function rolling wheel centralizer different from the past of ball can only play the frictional resistance reducing drilling process eye along borehole axis direction
Effect.
In a word, the torsion fall that can subtract when drillng operation of the present utility model hinders, to reduce in drilling process to greatest extent
Drag and torque, it is ensured that drilling process safe, quick, be smoothed out.
Accompanying drawing explanation
Fig. 1 is that the torsion fall that subtracts of the present utility model hinders regulator schematic appearance；
Fig. 2 is that the torsion fall that subtracts of the present utility model hinders regulator sectional view；
Fig. 3 is that of the present utility model subtracting turns round the sectional view of regulator body in fall resistance regulator；
Fig. 4 is the partial enlarged drawing in Fig. 3 at A；
Fig. 5 is the partial enlarged drawing in Fig. 2 at B；
Fig. 6 is the partial enlarged drawing in Fig. 2 at C.
Main element label declaration:
1 regulator body 11 spacing ring
111 first mounting plane 112 first arc grooves
2 centralizer body 20 righting strips
21 first annular groove 22 first balls
23 second arc groove 24 second balls
3 retaining ring 31 second mounting planes
32 second annular groove 4 rubber seal
5 bearing portion 51 needle bearings
511 inner ring 512 needle rollers
52 spacer 6 multi-directional ball
Detailed description of the invention
In order to technical characteristic of the present utility model, purpose and effect are more clearly understood from, below in conjunction with accompanying drawing and
Preferred embodiment, subtracts the torsion fall resistance detailed description of the invention of regulator, structure, feature and merit to the utility model proposes
Effect, after describing in detail such as.It addition, by the explanation of detailed description of the invention, when can be predetermined for reaching to this utility model
Technological means that purpose is taked and effect are more goed deep into concrete understanding, however institute's accompanying drawing be only to provide with reference to
Use is described, is not used for this utility model is any limitation as.Wherein, identical parts use identical label.
Fig. 1 is that the torsion fall that subtracts of the present utility model hinders regulator schematic appearance；Fig. 2 is that the torsion fall that subtracts of the present utility model hinders
Regulator sectional view；Fig. 3 is that of the present utility model subtracting turns round the sectional view of regulator body in fall resistance regulator；Fig. 4
For the partial enlarged drawing at A in Fig. 3；Fig. 5 is the partial enlarged drawing in Fig. 2 at B；Fig. 6 is in Fig. 2 at C
Partial enlarged drawing.
Seeing Fig. 1, the utility model proposes subtracts torsion fall resistance regulator, and it is provided with a regulator body 1 in a tubular form,
The outside of described regulator body 1 is from top to bottom sequentially provided with the centralizer body 2 and that a spacing ring 11, can rotate
Retaining ring 3, its upper and lower two ends have been correspondingly formed box (female thread) and pin thread (external screw thread), can respectively with top
The pin thread of drill string and the box of lower drilling string match, and in drilling process, upper drilling string drives described regulator body
1 rotates, and transfers torque to lower drilling string by described regulator body 1, regulator body about 1 two ends
Screw thread also can more be gone up the tightest；
Face seal arrangement is passed through respectively between the two ends of described centralizer body 2 and described spacing ring 11 and retaining ring 3
Sealing mutually, described retaining ring 3 is threadeded with described regulator body 1, in order to location centralizing body 2 miscellaneous part such as grade,
Ensure work well of the present utility model.Wherein, described centralizer body 2 also commonly known as supporting positive cover, wiper block etc.,
It is the tube-in-tube structure of a boring, and lateral surface is provided with straight prismatic or spiral helicine righting strip, due to for existing
There is technology, do not repeat them here；And described face seals is set, be avoided that in the course of the work drilling fluid and
The foreign material such as landwaste invade and cause inter deterioration or inefficacy, thus extend service life of the present utility model.
It is preferred that be additionally provided with one can make described centralizer body 13 and described regulator body 1 bearing portion 5 in relative rotation,
Described bearing portion 5 is socketed on described regulator body 1, and its two ends are corresponding with described spacing ring 11 and retaining ring 3
Abutting against, axially to position described bearing portion 5, described centralizer body 2 is sheathed on the outside of described bearing portion 5.
Bearing portion 5 is set by described, makes described centralizer body 13 to produce relative rotation with regulator body 1, in drilling well
During, when described regulator body 1 turns clockwise and drives bearing portion 5 to rotate, and centralizer body 13 can not be with
Rotation, greatly reduce the torque accumulation caused when centralizer body 13 outer layer contacts, beneficially drilling well with the borehole wall
The transmission of moment of torsion and release in journey.
As in figure 2 it is shown, described bearing portion 5 includes two needle bearings 51 and is arranged on needle bearing 51 described in two
Between spacer 52, described needle bearing 51 and spacer 52 are socketed on described regulator body 1 so that described
Centralizer body 2 correspondence is set in described needle bearing 51 and the outside of spacer 52.Wherein, described spacer 52 be for
Limiting the axially-movable of described needle roller axle sleeve 151, its length can be chosen according to specific needs when actual assembled.
In this utility model, in order to avoid the external diameter at described centralizer body 2 is excessive, use the needle roller without outer ring
Bearing, specifically, described needle bearing 51 includes an inner ring 511 and multiple needle roller (roller) 512, described interior
Circle 511 is socketed on described regulator body 1, and what each described needle roller 512 can rotate is embedded at described inner ring 511
On, and uniform along the circumference of described inner ring 511, described centralizer body 2 contacts with each described needle roller 512.
Wherein, described face seals is a rubber seal 4, and described in two, rubber seal 4 is embedded at institute respectively
State lower surface and the upper end surface of described retaining ring 3 of spacing ring 11, and corresponding and described centralizer body 2 upper end
Face and lower surface contact.
Please also refer to Fig. 4 and Fig. 5, the lower surface of described spacing ring 11 is being formed with one near outer edge is recessed
First mounting plane 111, circumferentially spaced on described first mounting plane 111 is provided with multiple first arc groove 112,
The upper surface of described centralizer body 2 is formed with one first annular groove 21 corresponding to each described first arc groove 112, each described
One first ball 22 it is embedded with respectively between first arc groove 112 and described first annular groove 21.
Further, the upper surface of described retaining ring 3 is being formed with one second mounting plane near outer edge is recessed
31, described second mounting plane 31 is formed one second annular groove 32, the lower surface of described centralizer body 2 corresponds to institute
State that the second annular groove 32 is circumferentially spaced is provided with multiple second arc groove 23, each described second arc groove 23 and described the
One second ball 24 it is embedded with respectively between two annular grooves 32.When described regulator body 1 is relative with described centralizer body 2
During rotation, by described first ball 22 and the second ball 24 arranged, can reduce further described centralizer body 2 with
In joint and the frictional force at each rubber seal 4 between spacing ring 11 and retaining ring 3, make it more preferable
Holding and described regulator body 1 between be in the state of relatively rotating.
Such as Fig. 5, Fig. 6, the described rubber seal 4 between the most described spacing ring 11 and described centralizer body 2 is embedded
On described first mounting plane 111, and adjacent to the outside of each described first ball 22, described centralizer body 2 with
Described rubber seal 4 between described retaining ring 3 is embedded on described second mounting plane 31, and adjacent to respectively
The outside of described second ball 24.
As it can be seen, the cross section of described first arc groove 112 and the first annular groove 21 is and the shape of described first ball 22
Concave arc (circular arc) shape that shape matches, the cross section of described second arc groove 23 and the second annular groove 32 is and described second
Concave arc (circular arc) shape of the mating shapes of ball 24.
In order to reduce this utility model along borehole axis direction frictional resistance, the righting strip 20 of described centralizer body 2 is provided with
Multiple multi-directional ball 6, each described multi-directional ball 6 is spaced setting along the length direction of described righting strip 20.Wherein, universal
Ball is also known as universal conveyor ball, Universal caster, steel ball wheel, buphthalmos etc., in use, by straight for the support plinth of multi-directional ball
Connect and be arranged on described righting strip 20, assemble simple and convenient.The most schematically it is provided with 3 described ten thousand
To ball 6, actual application is not limited.Additionally, by arranging described multi-directional ball 6, it is also possible to play certain
Auxiliary subtracts torsion effect.
Wherein, the outer peripheral face of described retaining ring 3 lower end is regular polygon, such as dodecagon, thus forms a spiral shell
Cap, uses when tightening for spanner and release.
It addition, described spacing ring 11 is convexly equipped in the outer peripheral face of described regulator body 1, itself and described regulator body
1 is formed in one, and described spacing ring 11 is gradually increased by the external diameter of its epimere 11a to hypomere 11b, so that its
Mid portion is the structure of a ramp type, is possible to prevent the sudden change of this body diameter of regulator to cause the infringement to the borehole wall.
The utility model proposes subtracts torsion fall resistance regulator, in use, by the mother at regulator body about 1 two ends
Button and pin thread, correspondence matches with the pin thread of upper drilling string and the box of lower drilling string, and its operation principle is:
In drilling process, described regulator body 1 is with drill string rotating, and described centralizer body 2 is at described bearing portion 5
Needle bearing 51, spacer 52, each first ball 22 and each second ball 24 common effect under, can not be with
The rotation of drill string and rotate, play righting function, thus be greatly reduced frictional resistance, rubber seal 4 then ensure that
Cleaning within this utility model；The multi-directional ball 6 being arranged on righting strip 20, on the one hand can be along borehole axis
Reduce frictional resistance when direction is crept into, on the other hand, certain auxiliary can be played when described regulator body 1 rotates and subtract
Torsion effect.
In a word, in drilling process, the regulator body 1 in this utility model turns clockwise and drives bearing portion 5
Inner ring 511 rotate, and described centralizer body 2 can not rotate with, and greatly reduces regulator outer layer and connects with the borehole wall
The transmission of moment of torsion and release in the torque accumulation caused time tactile, beneficially drilling process.
The foregoing is only the schematic detailed description of the invention of this utility model, be not limited to model of the present utility model
Enclose.Any those skilled in the art, done by the premise of without departing from design of the present utility model and principle etc.
With change and amendment, the scope of this utility model protection all should be belonged to.
Claims (12)
1. one kind subtracts torsion fall resistance regulator, it is characterised in that described in subtract and turn round fall resistance regulator and be provided with in a tubular form steady
Determine device body, the outside of described regulator body be from top to bottom sequentially provided with a spacing ring, a centralizer body that can rotate and
One retaining ring, its upper and lower two ends have been correspondingly formed box and pin thread, the two ends of described centralizer body and described spacing ring and lock
Being sealed mutually by face seal arrangement respectively between tight ring, described retaining ring is threadeded with described regulator body.
Subtract torsion fall resistance regulator the most as claimed in claim 1, it is characterised in that be additionally provided with one and can make described righting
Body and described regulator body bearing portion in relative rotation, described bearing portion is socketed on the body of described regulator, and they are two years old
Holding corresponding and described spacing ring and retaining ring to abut against, described centralizer body is sheathed on the outside of described bearing portion.
Subtract torsion fall resistance regulator the most as claimed in claim 2, it is characterised in that described bearing portion includes two rollings
Needle bearing and the spacer being arranged on described in two between needle bearing, described needle bearing and spacer are socketed in described regulator
On body.
Subtract torsion fall resistance regulator the most as claimed in claim 3, it is characterised in that described needle bearing includes one
Inner ring and multiple needle roller, described inner ring is socketed on the body of described regulator, and what each described needle roller can rotate is embedded in institute
State on inner ring, and uniform along the circumference of described inner ring, and described centralizer body contacts with each described needle roller.
5. the torsion fall that subtracts as described in any one of Claims 1-4 hinders regulator, it is characterised in that described end face is close
Encapsulation is set to a rubber seal, and rubber seal described in two is embedded at the lower surface of described spacing ring and described respectively
The upper end surface of retaining ring, and the upper surface of corresponding and described centralizer body and lower surface contact.
Subtract torsion fall resistance regulator the most as claimed in claim 5, it is characterised in that the lower surface of described spacing ring exists
Near recessed one first mounting plane that is formed of outer edge, on described first mounting plane circumferentially spaced be provided with multiple
First arc groove, the upper surface of described centralizer body is formed with one first annular groove, each institute corresponding to each described first arc groove
State and between the first arc groove and described first annular groove, be embedded with one first ball respectively.
Subtract torsion fall resistance regulator the most as claimed in claim 6, it is characterised in that the upper surface of described retaining ring exists
Near recessed one second mounting plane that is formed with of outer edge, described second mounting plane is formed with one second annular groove,
The lower surface of described centralizer body is provided with multiple second arc groove corresponding to described second annular groove is circumferentially spaced, and each described the
One second ball it is embedded with respectively between two arc grooves and described second annular groove.
Subtract torsion fall resistance regulator the most as claimed in claim 7, it is characterised in that described spacing ring and described righting
Described rubber seal between body is embedded on described first mounting plane, and adjacent to each described first ball outside
Side, the described rubber seal between described centralizer body and described retaining ring is embedded on described second mounting plane, and
Outside adjacent to each described second ball.
Subtract torsion fall resistance regulator the most as claimed in claim 8, it is characterised in that described first arc groove and first
The cross section of annular groove is the concave arc shape of the mating shapes with described first ball, described second arc groove and the second annular groove
The concave arc shape that cross section is the mating shapes with described second ball.
10. the torsion fall that subtracts as described in claim 1 or 9 hinders regulator, it is characterised in that the righting of described centralizer body
Being provided with multiple multi-directional ball on bar, each described multi-directional ball is spaced setting along the length direction of described righting strip.
11. subtract torsion fall resistance regulator as claimed in claim 1, it is characterised in that the periphery of described retaining ring lower end
Face is regular polygon.
12. subtract torsion fall resistance regulator as claimed in claim 1, it is characterised in that described spacing ring is convexly equipped in described
The outer peripheral face of regulator body, it is formed in one with described regulator body, and described spacing ring by its epimere under
The external diameter of section is gradually increased.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620384723.0U CN205714019U (en) | 2016-04-29 | 2016-04-29 | One subtracts torsion fall resistance regulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620384723.0U CN205714019U (en) | 2016-04-29 | 2016-04-29 | One subtracts torsion fall resistance regulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205714019U true CN205714019U (en) | 2016-11-23 |
Family
ID=57333324
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620384723.0U Active CN205714019U (en) | 2016-04-29 | 2016-04-29 | One subtracts torsion fall resistance regulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205714019U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105781444A (en) * | 2016-04-29 | 2016-07-20 | 中国石油大学(北京) | Torque reducing and resistance reducing stabilizer |
-
2016
- 2016-04-29 CN CN201620384723.0U patent/CN205714019U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105781444A (en) * | 2016-04-29 | 2016-07-20 | 中国石油大学(北京) | Torque reducing and resistance reducing stabilizer |
| CN105781444B (en) * | 2016-04-29 | 2018-06-29 | 中国石油大学(北京) | One kind subtracts torsion drop resistance stabilizer |
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| GR01 | Patent grant |