CN109138984A - A kind of vibration absorber that can improve logging while drilling apparatus vibration resistance - Google Patents
A kind of vibration absorber that can improve logging while drilling apparatus vibration resistance Download PDFInfo
- Publication number
- CN109138984A CN109138984A CN201811382544.3A CN201811382544A CN109138984A CN 109138984 A CN109138984 A CN 109138984A CN 201811382544 A CN201811382544 A CN 201811382544A CN 109138984 A CN109138984 A CN 109138984A
- Authority
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- China
- Prior art keywords
- vibration
- reducing sleeve
- plunger
- vibration reducing
- logging
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- Pending
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- 238000005553 drilling Methods 0.000 title claims abstract description 21
- 239000006096 absorbing agent Substances 0.000 title claims abstract description 12
- 238000009434 installation Methods 0.000 claims 1
- 238000013016 damping Methods 0.000 description 6
- 208000037656 Respiratory Sounds Diseases 0.000 description 3
- 238000005452 bending Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000033001 locomotion Effects 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/01—Devices for supporting measuring instruments on drill bits, pipes, rods or wirelines; Protecting measuring instruments in boreholes against heat, shock, pressure or the like
- E21B47/017—Protecting measuring instruments
Landscapes
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Geophysics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
Abstract
A kind of vibration absorber that can improve logging while drilling apparatus vibration resistance, including outer end housing (1), vibration reducing sleeve (3), spring-damper (8), plunger (7), outer end housing (1) is connected with fixed ring (2), spring-damper (8) connects plunger (7) and vibration reducing sleeve (3), plunger (7) is contacted with outer end housing (1), bearing (12) is connect by bearing (ball) cover (5) with vibration reducing sleeve (3), and axis (9) is coupled with bearing (12).
Description
Technical field
The present invention relates to petroleum ore mining technologies, and in particular to logging while drilling apparatus damping technology.
Background technique
Down-hole equipment vibration problem in drilling well production is the problem in terms of drilling well.By to down-hole equipment torsion and laterally
The analysis of vibration show that drilling rod generates bending, and bending section in the collective effect lower axis of centrifugal force, pressure, pulling force and torque
Divide by alternate stress and then generates vibration and fatigue failure.The rubber ring damping ring that current most of logging while drilling apparatuses use,
Such as the paper that Chen Jun is delivered in periodical " logging technique " the 3rd phase of volume 40 " is analyzed with pulsed neutron log instrument resistance to shock is bored
With structure optimization ", although having the advantages that structure is simple at low cost, there is also the defects (crackle core) on microcosmic, work as rubber
When shape occurs, very high stress raisers can be generated around crackle core, promotes crackle karyomorphism at original crack and slowly increases.
Another aspect rubber ring cannot achieve the effect that fine vibration damping in the operating condition of underground complexity.Therefore, it is necessary to constitute in view of knot
While this is lower, also stability is improved on damping property and required.It is traditional especially in terms of absorbing and fatigue wear
Rubber ring damper is not able to satisfy with the growth requirement for boring instrument.It effectively reduces it would therefore be highly desirable to which one kind is novel, absorb drilling rod
Shock and vibration, structure is simple, high reliablity and logging while drilling apparatus damper with long service life.
Summary of the invention
The object of the present invention is to provide a kind of vibration absorbers that can improve logging while drilling apparatus vibration resistance.
The present invention is a kind of vibration absorber that can improve logging while drilling apparatus vibration resistance, including outer end housing 1, vibration reducing sleeve 3,
Spring-damper 8, plunger 7, outer end housing 1 are connected with fixed ring 2, and spring-damper 8 connects plunger 7 and vibration reducing sleeve 3, plunger
7 contact with outer end housing 1, and bearing 12 is connect by bearing (ball) cover 5 with vibration reducing sleeve 3, and axis 9 is coupled with bearing 12.
The beneficial effects of the present invention are: antivibration, the vibration absorbing performance of logging while drilling apparatus can be improved effectively, prevent because of axis
The damage of bending deformation bring, plunger is small with outer end housing contact area but contact range is big, and service life is longer, largely
On reduce the stability that cost improves connector for logging while drilling.
Detailed description of the invention
Fig. 1 is front section view of the present invention, and Fig. 2 is side view cross section figure of the present invention, appended drawing reference and corresponding title are as follows: 1-
Outer end housing, 2- fixed ring, 3- vibration reducing sleeve, 4- gasket, 5- bearing (ball) cover, 6- groove, 7- plunger, 8- spring-damper, 9-
Axis, 10- screw, 11- gasket 2,12- bearing, 13- connecting hole.
Specific embodiment
As shown in Figure 1 and Figure 2, the present invention is a kind of vibration absorber that can improve logging while drilling apparatus vibration resistance, including outer end housing
Body 1, vibration reducing sleeve 3, spring-damper 8, plunger 7, outer end housing 1 are connected with fixed ring 2, and spring-damper 8 connects 7 He of plunger
Vibration reducing sleeve 3, plunger 7 are contacted with outer end housing 1, and bearing 12 is connect by bearing (ball) cover 5 with vibration reducing sleeve 3, axis 9 and bearing 12
It is coupled.
As shown in Figure 1 and Figure 2, the outer radius portion of fixed ring 2 is mounted in outer end housing 1, and inner-diameter portion is stuck in vibration reducing sleeve
On 3 groove 6, there are gaps for 6 end face of groove of the internal diameter end face of fixed ring 2 and vibration reducing sleeve 3.
As shown in Figure 1 and Figure 2, axis 9 and bearing 12 are fitted in vibration reducing sleeve 3.
As shown in Figure 1 and Figure 2, in 3 outer wall of vibration reducing sleeve, 8 ~ 10 connecting holes are offered along being parallel in axially direction
13, form connecting hole row；In 3 outer wall of vibration reducing sleeve, 4 ~ 12 row's connecting holes row is opened up in the radial direction along vibration reducing sleeve 3,
One spring-damper 8 is installed in each connecting hole 13.
As shown in Figure 1 and Figure 2, each plunger 7 connects a spring-damper 8, the connecting hole 13 on vibration reducing sleeve 3 with
There is gap between plunger 7.
Embodiment 1: as shown in Figure 1, the vibration absorber of the present invention that logging while drilling apparatus vibration resistance can be improved, including it is outer
End housing 1, vibration reducing sleeve 3, spring-damper 8, plunger 7, outer end housing 1 are connected with fixed ring 2,8 connecting column of spring-damper
Plug 7 and vibration reducing sleeve 3, plunger 7 are contacted with outer end housing 1, and bearing 12 is connect by bearing (ball) cover 5 with vibration reducing sleeve 3, axis 9 and
Bearing 12 is coupled.The fixed ring 2 has movement clearance with vibration reducing sleeve 3, and fixed damper cylinder covers 3 axial positions.It is described
2 internal diameter end face of fixed ring is in contact when spring-damper 8 reaches elastic limit fastly with vibration reducing sleeve 3, plays protection spring resistance
The effect of Buddhist nun's device 8.In 3 outer wall of vibration reducing sleeve, 8 connecting holes 13 are offered along being parallel in axially direction, form a connection
Hole row；In 3 outer wall of vibration reducing sleeve, 8 row's connecting holes row is opened up in the radial direction along vibration reducing sleeve 3, in each connecting hole 13
One spring-damper 8 is installed.There are gap between the plunger 7 and vibration reducing sleeve 3, when compression or extension spring, generates opposite
Movement.
When in use, axis 9 generates oscillation crosswise, passes to vibration reducing sleeve 3 by bearing 12, vibration reducing sleeve 3 is in outer end housing
Has the function that vibration damping, absorbing by spring damping 8 in body 1, there is gap between the plunger 7 and vibration reducing sleeve 3, compression or
Relative motion is generated when extension spring.End surface contacts generation frictional resistance with outer end housing 1 to plunger 7 thereon.Vibration reducing sleeve 3 to
When outer end housing 1 is moved close to 8 elastic limit of spring-damper, 2 meeting of fixed ring and the shock-reducing sleeve that are mounted in outer end housing 1
Cylinder 3 contacts, and prevents spring-damper 8 from damaging beyond elastic limit.
Claims (5)
1. a kind of vibration absorber that can improve logging while drilling apparatus vibration resistance, including the resistance of outer end housing (1), vibration reducing sleeve (3), spring
Buddhist nun's device (8), plunger (7), it is characterised in that: outer end housing (1) is connected with fixed ring (2), and spring-damper (8) connects plunger
(7) it is contacted with vibration reducing sleeve (3), plunger (7) with outer end housing (1), bearing (12) passes through bearing (ball) cover (5) and vibration reducing sleeve
(3) it connects, axis (9) is coupled with bearing (12).
2. the vibration absorber according to claim 1 that logging while drilling apparatus vibration resistance can be improved, it is characterised in that: fixed ring
(2) outer radius portion is mounted on outer end housing (1), and inner-diameter portion is stuck on the groove (6) of vibration reducing sleeve (3), fixed ring (2)
Internal diameter end face and there are gaps groove (6) end face of vibration reducing sleeve (3).
3. the vibration absorber of logging while drilling apparatus vibration resistance can be improved according to claim 1, it is characterised in that: axis (9) and axis
(12) are held to be fitted in vibration reducing sleeve (3).
4. the vibration absorber according to claim 1 that logging while drilling apparatus vibration resistance can be improved, it is characterised in that: in shock-reducing sleeve
(3 outer walls offer 8 ~ 10 connecting holes (13) along being parallel in axially direction to cylinder, form connecting hole row；In vibration reducing sleeve
(3) outer wall opens up 4 ~ 12 row's connecting holes row along vibration reducing sleeve (3), the installation one in each connecting hole (13) in the radial direction
A spring-damper (8).
5. the vibration absorber according to claim 1 that logging while drilling apparatus vibration resistance can be improved, it is characterised in that: each plunger
(7) spring-damper (8) is all connected, there are gaps between the connecting hole (13) and plunger (7) on vibration reducing sleeve (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811382544.3A CN109138984A (en) | 2018-11-20 | 2018-11-20 | A kind of vibration absorber that can improve logging while drilling apparatus vibration resistance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811382544.3A CN109138984A (en) | 2018-11-20 | 2018-11-20 | A kind of vibration absorber that can improve logging while drilling apparatus vibration resistance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109138984A true CN109138984A (en) | 2019-01-04 |
Family
ID=64806173
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811382544.3A Pending CN109138984A (en) | 2018-11-20 | 2018-11-20 | A kind of vibration absorber that can improve logging while drilling apparatus vibration resistance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109138984A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109944563A (en) * | 2019-05-06 | 2019-06-28 | 长江大学 | A kind of cutting recycling tool for deep water casing |
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| CN107076204A (en) * | 2014-08-08 | 2017-08-18 | 江森自控科技公司 | The rotary screw compressor of vibration damping is carried out using viscous damping |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109944563A (en) * | 2019-05-06 | 2019-06-28 | 长江大学 | A kind of cutting recycling tool for deep water casing |
| CN109944563B (en) * | 2019-05-06 | 2023-11-14 | 长江大学 | Cutting and recycling tool for deep water sleeve |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190104 |