CN205778589U - A kind of roller bearing joint being applicable to coring tool for directional well - Google Patents
A kind of roller bearing joint being applicable to coring tool for directional well Download PDFInfo
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- CN205778589U CN205778589U CN201620736636.7U CN201620736636U CN205778589U CN 205778589 U CN205778589 U CN 205778589U CN 201620736636 U CN201620736636 U CN 201620736636U CN 205778589 U CN205778589 U CN 205778589U
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- pipe nipple
- urceolus
- inner core
- top connection
- rolling element
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Abstract
This utility model relates to oil and gas drilling engineering and cores field, particularly to a kind of roller bearing joint being applicable to coring tool for directional well.The purpose of this utility model is that providing a kind of avoids phase mutual friction between core-extracting toolsinternal barrel with urceolus, the roller bearing joint being applicable to coring tool for directional well preventing inner core from rotating with urceolus.Its technical scheme is, a kind of roller bearing joint being applicable to coring tool for directional well, including urceolus pipe nipple, it is provided with inner core pipe nipple in described urceolus pipe nipple, described inner core pipe nipple includes top connection, described top connection has been threaded connection lower contact, and described top connection is evenly equipped with rolling element mounting groove centered by above coupling axis line on the outer circumference surface of one end of lower contact, is provided with rolling element by pin in described rolling element mounting groove.This utility model is applicable to a kind of roller bearing joint being applicable to coring tool for directional well.
Description
Technical field
This utility model relates to oil and gas drilling engineering and cores field, is applicable to directional well particularly to one and takes
The roller bearing joint of heart instrument.
Background technology
Drilling and coring delivery is to use special coring tool that subsurface rock in bulk is got on ground in drilling process.
The rock of this in bulk is called rock core, can measure the various character of rock, intuitively Study of The Underground structure and rock by it
Depositional environment, understands fluid properties therein etc..Normal core-extracting tool is mainly by safety joint, rotation assembly, difference pipe nipple, outer
The part composition such as cylinder, inner core, core grabber molectron, core bit and aid.Coring tool uses high-strength thick wall seamless
Urceolus made by steel pipe, and intensity is high, good stability, is conducive to improving core recovery, monotubular drilling depth and extending core bit using the longevity
Life.Inner core: in addition to steel inner core, have also been devised be available for that user chooses there is lightweight, heatproof, that corrosion-resistant, inwall is bright and clean etc. is excellent
Glass reinforced plastic pipe, stainless steel tube and the aluminium-alloy pipe of point make inner core.For these special inner cores, rock core intake resistance is little, is conducive to
Improving monotubular drilling depth and core recovery, also can will be equipped with these special inner core segmentations cutting of rock core, two ends add block closure,
It is readily transported, simplifies rock core treatment process, preferably protect rock core.During core-drilling, inner core and urceolus there will be
The situation of phase mutual friction, if frictional force is sufficiently large, inner core can rotate with urceolus and rotate, and is unfavorable for the acquisition of rock core.
Utility model content
The purpose of this utility model be provide one avoid phase mutual friction between core-extracting toolsinternal barrel with urceolus, prevent in
The roller bearing joint being applicable to coring tool for directional well that cylinder rotates with urceolus.This roller bearing joint is conducive to the acquisition of rock core,
And simple in construction, be easily assembled, stable performance.
Realize above-mentioned technical purpose, by the following technical solutions:
A kind of roller bearing joint being applicable to coring tool for directional well, is arranged including in urceolus pipe nipple, described urceolus pipe nipple
Inner core pipe nipple, described inner core pipe nipple is had to include that top connection, described top connection have been threaded connection lower contact, in described top connection
It is evenly equipped with rolling element mounting groove, described rolling element centered by above coupling axis line on the outer circumference surface of one end of lower contact
By pin, rolling element is installed in mounting groove.
As preferred version of the present utility model, described top connection and lower contact firm welding.
As preferred version of the present utility model, described rolling element is roller.
As preferred version of the present utility model, one end of described urceolus pipe nipple is provided with external screw thread, described urceolus pipe nipple
The other end be provided with female thread, in described top connection, the one end away from rolling element is provided with female thread, remote in described lower contact
The lower contact one end being provided with external screw thread, external screw thread one end of described urceolus pipe nipple and inner core pipe nipple from one end of rolling element is arranged
Direction is identical, and female thread one end of described urceolus pipe nipple is identical with top connection one end arranged direction of inner core pipe nipple.
The beneficial effects of the utility model are as follows:
1, a kind of roller bearing joint being applicable to coring tool for directional well of the present utility model includes urceolus pipe nipple and inner core
Pipe nipple, by being provided with rolling element mounting groove and being installed by pin in rolling element mounting groove in the top connection of inner core pipe nipple
Rolling element, it is to avoid inner core, urceolus phase mutual friction.This device uses and designs one group of roller in inner core top connection so that inner core
There is certain interval with urceolus, do not rotate with urceolus and rotate, the beneficially acquisition of rock core.This apparatus structure is simple, be easily assembled,
And stable performance.
2, top connection and lower contact firm welding, it is to avoid during coring tool work, the spiral shell between top connection and lower contact
Stricture of vagina loosens, it is ensured that lower contact is not threaded off.
3, the rolling element on using roller as top connection, makes between rolling element with urceolus pipe nipple as first to contact, thus ensures
Inner core pipe nipple and the direct relative stability of urceolus pipe nipple.
4, urceolus pipe nipple is threaded connection with urceolus, and inner core pipe nipple is threaded connection with inner core, by this utility model
A kind of roller bearing joint being applicable to coring tool for directional well be connected to be correctly oriented inner core, the urceolus with outside, can
Avoid inner core and urceolus phase mutual friction, nor affect on the normal work of coring tool.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
1-urceolus pipe nipple in figure, 2-inner core pipe nipple, 21-top connection, 22-lower contact, 23-rolling element, 24-pin, 21a-
Rolling element mounting groove.
Detailed description of the invention
Below in conjunction with the accompanying drawings, this utility model is described in detail.
In order to make the purpose of this utility model, technical application novel and advantage is clearer, below in conjunction with accompanying drawing and
Embodiment, is further elaborated to this utility model.Should be appreciated that specific embodiment described herein is only in order to solve
Release this utility model, be not used to limit this utility model.
Embodiment one
A kind of roller bearing joint being applicable to coring tool for directional well, including urceolus pipe nipple 1, sets in described urceolus pipe nipple 1
Being equipped with inner core pipe nipple 2, described inner core pipe nipple 2 includes that top connection 21, described top connection 21 have been threaded connection lower contact 22, institute
State and on the outer circumference surface of one end of lower contact 22, centered by top connection 21 axial line, be evenly equipped with rolling element in top connection 21
By pin 24, rolling element 23 is installed in mounting groove 21a, described rolling element mounting groove 21a.
A kind of roller bearing joint being applicable to coring tool for directional well of the present utility model includes that urceolus pipe nipple 1 and inner core are short
Joint 2, by being provided with rolling element mounting groove 21a and passing through in rolling element mounting groove 21a in the top connection 21 of inner core pipe nipple 2
Pin 24 installs rolling element 23, it is to avoid inner core, urceolus phase mutual friction.This device uses and designs one group in inner core top connection 21
Roller so that inner core and urceolus exist certain interval, does not rotates with urceolus and rotates, the beneficially acquisition of rock core.This device is tied
Structure is simple, be easily assembled, and stable performance.
Embodiment two
A kind of roller bearing joint being applicable to coring tool for directional well, including urceolus pipe nipple 1, sets in described urceolus pipe nipple 1
Being equipped with inner core pipe nipple 2, described inner core pipe nipple 2 includes that top connection 21, described top connection 21 have been threaded connection lower contact 22, institute
State and on the outer circumference surface of one end of lower contact 22, centered by top connection 21 axial line, be evenly equipped with rolling element in top connection 21
By pin 24, rolling element 23 is installed in mounting groove 21a, described rolling element mounting groove 21a；Described top connection 21 and lower contact
22 firm welding.
A kind of roller bearing joint being applicable to coring tool for directional well of the present utility model includes that urceolus pipe nipple 1 and inner core are short
Joint 2, by being provided with rolling element mounting groove 21a and passing through in rolling element mounting groove 21a in the top connection 21 of inner core pipe nipple 2
Pin 24 installs rolling element 23, it is to avoid inner core, urceolus phase mutual friction.This device uses and designs one group in inner core top connection 21
Roller so that inner core and urceolus exist certain interval, does not rotates with urceolus and rotates, the beneficially acquisition of rock core.This device is tied
Structure is simple, be easily assembled, and stable performance.Top connection 21 and lower contact 22 firm welding, it is to avoid during coring tool work, above connect
Thread looseness between 21 and lower contact 22, it is ensured that lower contact 22 is not threaded off.
Embodiment three
A kind of roller bearing joint being applicable to coring tool for directional well, including urceolus pipe nipple 1, sets in described urceolus pipe nipple 1
Being equipped with inner core pipe nipple 2, described inner core pipe nipple 2 includes that top connection 21, described top connection 21 have been threaded connection lower contact 22, institute
State and on the outer circumference surface of one end of lower contact 22, centered by top connection 21 axial line, be evenly equipped with rolling element in top connection 21
By pin 24, rolling element 23 is installed in mounting groove 21a, described rolling element mounting groove 21a；Described top connection 21 and lower contact
22 firm welding；Described rolling element 23 is roller.
A kind of roller bearing joint being applicable to coring tool for directional well of the present utility model includes that urceolus pipe nipple 1 and inner core are short
Joint 2, by being provided with rolling element mounting groove 21a and passing through in rolling element mounting groove 21a in the top connection 21 of inner core pipe nipple 2
Pin 24 installs rolling element 23, it is to avoid inner core, urceolus phase mutual friction.This device uses and designs one group in inner core top connection 21
Roller so that inner core and urceolus exist certain interval, does not rotates with urceolus and rotates, the beneficially acquisition of rock core.This device is tied
Structure is simple, be easily assembled, and stable performance.Top connection 21 and lower contact 22 firm welding, it is to avoid during coring tool work, above connect
Thread looseness between 21 and lower contact 22, it is ensured that lower contact 22 is not threaded off.Rolling element on using roller as top connection 21
23, make between rolling element 23 with urceolus pipe nipple 1 as first to contact, thus ensure that inner core pipe nipple 2 is relative the most steady with urceolus pipe nipple 1
Qualitative.
Embodiment four
A kind of roller bearing joint being applicable to coring tool for directional well, including urceolus pipe nipple 1, sets in described urceolus pipe nipple 1
Being equipped with inner core pipe nipple 2, described inner core pipe nipple 2 includes that top connection 21, described top connection 21 have been threaded connection lower contact 22, institute
State and on the outer circumference surface of one end of lower contact 22, centered by top connection 21 axial line, be evenly equipped with rolling element in top connection 21
By pin 24, rolling element 23 is installed in mounting groove 21a, described rolling element mounting groove 21a.One of the present utility model is suitable for
Roller bearing in coring tool for directional well saves and includes urceolus pipe nipple 1 and inner core pipe nipple 2, by the top connection at inner core pipe nipple 2
It is provided with rolling element mounting groove 21a on 21 and by pin 24, rolling element 23 is installed in rolling element mounting groove 21a, it is to avoid in
Cylinder, urceolus phase mutual friction.This device uses and designs one group of roller in inner core top connection 21 so that inner core and urceolus exist certain
Gap, does not rotates with urceolus and rotates, the beneficially acquisition of rock core.This apparatus structure is simple, be easily assembled, and stable performance.
One end of described urceolus pipe nipple 1 is provided with external screw thread, and the other end of described urceolus pipe nipple 1 is provided with female thread, institute
Stating in top connection 21 one end away from rolling element 23 and be provided with female thread, in described lower contact 22, the one end away from rolling element 23 sets
Being equipped with external screw thread, external screw thread one end of described urceolus pipe nipple 1 is identical with lower contact 22 one end arranged direction of inner core pipe nipple 2, institute
The female thread one end stating urceolus pipe nipple 1 is identical with top connection 21 one end arranged direction of inner core pipe nipple 2.Urceolus pipe nipple 1 and urceolus
Being threaded connection, inner core pipe nipple 2 is threaded connection with inner core, one of the present utility model is applicable to directional well and cores work
The roller bearing joint of tool is connected with outside inner core, urceolus to be correctly oriented, and has both been avoided that inner core and urceolus phase mutual friction, also
Do not affect the normal work of coring tool.
Claims (4)
1. the roller bearing joint that a kind is applicable to coring tool for directional well, it is characterised in that include urceolus pipe nipple (1), described outside
Being provided with inner core pipe nipple (2) in cylinder pipe nipple (1), described inner core pipe nipple (2) includes that top connection (21), described top connection (21) are passed through
Threaded have lower contact (22), with top connection on the outer circumference surface of one end of the upper close lower contact (22) of described top connection (21)
(21) it is evenly equipped with rolling element mounting groove (21a) centered by axial line, is pacified by pin (24) in described rolling element mounting groove (21a)
Equipped with rolling element (23).
A kind of roller bearing joint being applicable to coring tool for directional well the most according to claim 1, it is characterised in that described
Top connection (21) and lower contact (22) firm welding.
A kind of roller bearing joint being applicable to coring tool for directional well the most according to claim 1 and 2, it is characterised in that
Described rolling element (23) is roller.
A kind of roller bearing joint being applicable to coring tool for directional well the most according to claim 1, it is characterised in that described
One end of urceolus pipe nipple (1) is provided with external screw thread, and the other end of described urceolus pipe nipple (1) is provided with female thread, described top connection
(21) on, the one end away from rolling element (23) is provided with female thread, and in described lower contact (22), the one end away from rolling element (23) sets
It is equipped with external screw thread, lower contact (22) one end arranged direction phase of external screw thread one end of described urceolus pipe nipple (1) and inner core pipe nipple (2)
With, female thread one end of described urceolus pipe nipple (1) is identical with the top connection of inner core pipe nipple (2) (21) one end arranged direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620736636.7U CN205778589U (en) | 2016-07-13 | 2016-07-13 | A kind of roller bearing joint being applicable to coring tool for directional well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620736636.7U CN205778589U (en) | 2016-07-13 | 2016-07-13 | A kind of roller bearing joint being applicable to coring tool for directional well |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205778589U true CN205778589U (en) | 2016-12-07 |
Family
ID=58122324
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620736636.7U Active CN205778589U (en) | 2016-07-13 | 2016-07-13 | A kind of roller bearing joint being applicable to coring tool for directional well |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205778589U (en) |
-
2016
- 2016-07-13 CN CN201620736636.7U patent/CN205778589U/en active Active
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| GR01 | Patent grant |