CN203961955U - A kind of petroleum drilling logger vibration-proof structure - Google Patents
A kind of petroleum drilling logger vibration-proof structure Download PDFInfo
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- CN203961955U CN203961955U CN201420425390.2U CN201420425390U CN203961955U CN 203961955 U CN203961955 U CN 203961955U CN 201420425390 U CN201420425390 U CN 201420425390U CN 203961955 U CN203961955 U CN 203961955U
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- logger
- vibration
- vibration damping
- damping rubber
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Abstract
A petroleum drilling logger vibration-proof structure, comprises urceolus, top connection, upper damper mechanism, logger, lower damper mechanism and lower contact.The upper and lower two ends of urceolus are spirally connected with top connection, lower contact respectively.Upper damper mechanism comprises the first connecting portion, the second connecting portion and the first axial vibration damping rubber.The first connecting portion and the second connecting portion are equipped with the first annular groove and the first draw-in groove, and the first axial vibration damping rubber two ends are equipped with the first edge and the first clamp.The first connecting portion is fixedly connected with top connection, and the second connecting portion is fixedly connected with logger top.Lower damper mechanism comprises the 3rd connecting portion and the second axial vibration damping rubber, and the 3rd connecting portion one end is fixedly connected with logger bottom, and the other end is provided with the second annular groove and the second draw-in groove.Second axial vibration damping rubber one end is provided with the second edge and the second clamp, and the other end and lower contact top are supported.The utility model can protect petroleum drilling to survey the destruction that instrument is avoided underground vibrating, extends its application life.
Description
Technical field
The utility model relates to a kind of vibration-proof structure, particularly a kind of petroleum drilling logger vibration-proof structure.
Background technology
Oil well logging referred in exploration of oil and gas field and development phase, utilize professional logger to measure the parameters of drill column, the parameter that analyzing and processing measures, using this as according to being used for analyzing the operation relevant informations such as stratum characteristic, reservoir state, oilfield reserve, determine a science of each parameter in oil-gas Layer and well.Well Logging Engineering adopts professional logger and equipment, to obtain various formation parameters and drilling engineering parameter.The sensor resistance to shock of logger inside is poor, in petroleum industry actual job measuring process, due to the impact of down-hole drilling operation, make the vibration of tester very large, affect normal use and the certainty of measurement of sensor, restricted the scope of application and the operating efficiency of instrument.Common oscillation damping method, is mainly to adopt spring cushion at present.This vibration damping mode Main Function is in drilling rod, and instrument is worked in drill collar, though shock absorber is to drilling rod, vibration has certain remission effect, but still does not meet the application conditions that bores logger, and effectiveness in vibration suppression is limited.Instrument is short application life under vibration condition, and in measurement while drilling process, because vibration is too large, some equipment even cannot be used especially.
Utility model content
The purpose of this utility model is to provide a kind of petroleum drilling logger vibration-proof structure, and it directly acts on core sensor, and effectiveness in vibration suppression is effectively promoted.
For achieving the above object, the utility model is taked following technical scheme:
A petroleum drilling logger vibration-proof structure, it comprises the urceolus for accommodating logger, this urceolus is provided with top connection, upper damper mechanism, this logger, lower damper mechanism and lower contact from top to bottom successively;
This urceolus is that threaded cylindrical tube is established at two ends, and its upper and lower two ends are spirally connected with this top connection, lower contact respectively;
On this, damper mechanism comprises the first connecting portion, the second connecting portion and is located at the first axial vibration damping rubber between the two; This first connecting portion and the second connecting portion are equipped with the first annular groove towards one end inner surface of this first axial vibration damping rubber, and side is provided with first draw-in groove vertical with this first annular groove; These the first axial vibration damping rubber two ends are equipped with the first edge of annular, and side is provided with first clamp vertical with this first edge; This first edge is buckled in this first annular groove, and this first clamp is buckled in this first draw-in groove; This first connecting portion is fixedly connected with this top connection, and this second connecting portion is fixedly connected with this logger top;
This lower damper mechanism comprises the 3rd connecting portion and the second axial vibration damping rubber, and the 3rd connecting portion one end is fixedly connected with this logger bottom, and other end inner surface is provided with the second annular groove, and side is provided with second draw-in groove vertical with this second annular groove; This second axial vibration damping rubber one end is provided with the second edge of annular, and side is provided with second clamp vertical with this second edge, and this second axial vibration damping rubber other end and this lower contact top are supported; This second edge is buckled in this second annular groove, and this second clamp is buckled in this second draw-in groove.
Further, the outside of described logger is coated with some radial vibration-reducing rubber.
Preferably, described radial vibration-reducing rubber is annular, comprises inner ring and outer ring that hardness is different.
Further, described the first axial vibration damping rubber comprises the cylindrical body of a hollow, and the top that is provided with an annular is protruded at this body middle part, and these body two ends are protruded and are provided with described the first edge and the first clamp.
Further, described the second axial vibration damping rubber comprises the cylindrical body of a hollow, and the top that is provided with an annular is protruded in this body bottom, and this body top is protruded and is provided with described the second edge and the second clamp.
Further, described the first connecting portion, the second connecting portion, the 3rd connecting portion include detachable two symmetrical semicylinders.
Preferably, described top connection and described lower contact are equipped with cable-through hole.
Further, between described the first connecting portion and described top connection, between described the second connecting portion and described logger, between described the 3rd connecting portion and described logger, all by screw, be fixedly connected with.
The beneficial effects of the utility model are: the utility model be the outside directly installation shaft of logger to radial vibration-reducing structure; when using, can effectively reduce by instrument due to the infringement of the vibration producing in drill bit drilling work and instrument lifting decentralization process for instrument inner core sensor original paper; can better protect sensor to avoid the destruction of underground vibrating, extend the application life that petroleum drilling is surveyed instrument.
Accompanying drawing explanation
Fig. 1 is general structure schematic diagram of the present utility model.
Fig. 2 is the structural representation of the first axial vibration damping rubber of the present utility model.
Fig. 3 is the structural representation of the second axial vibration damping rubber of the present utility model.
Fig. 4 is the structural representation of radial vibration-reducing rubber of the present utility model.
Fig. 5 is the sectional view of the first connecting portion of the present utility model.
Fig. 6 is the structural representation of the second connecting portion of the present utility model.
Fig. 7 is the sectional view of the 3rd connecting portion of the present utility model.
The specific embodiment
Below only with embodiment, the enforcement aspect that the utility model is possible is described, however not in order to limit the category of the utility model institute wish protection, first give chat bright.
As shown in Figure 1; the utility model provides a kind of petroleum drilling logger vibration-proof structure; be applicable to the vibration damping of petroleum drilling logger; to boring more sensitive sensor in logger, play certain protective effect; improve the measuring accuracy of instrument; it comprises the urceolus 2 for accommodating logger 1, and this urceolus 2 is provided with top connection 3, upper damper mechanism, this logger 1, lower damper mechanism and lower contact 4 from top to bottom successively.This urceolus 2 is for establishing threaded cylindrical tube in two ends, and logger 1 and service condition that its length, external diameter, wall thickness are placed according to inside are determined.This urceolus is spirally connected with this top connection 3, lower contact 4 respectively at two ends Shang Xia 2.This top connection 3 is equipped with cable-through hole with this lower contact 4, is convenient to interior instrument and carries survey data.
As shown in Fig. 2, Fig. 5, Fig. 6, on this, damper mechanism comprises the first connecting portion 5, the second connecting portion 6 and is located at the first axial vibration damping rubber 7 between the two.This first connecting portion 5 and the second connecting portion 6 are equipped with the first annular groove 52,62 towards one end inner surface of this first axial vibration damping rubber 7, side is provided with first draw-in groove 51,61 vertical with this first annular groove 52,62, these the first axial vibration damping rubber 7 two ends are equipped with the first edge 74 of annular, side is provided with first clamp 71 vertical with this first edge 74, this first edge is buckled in this first annular groove, and this first clamp is buckled in each first draw-in groove.This first connecting portion 5 is fixedly connected with by screw with this top connection 3, and this second connecting portion 6 is fixedly connected with by screw with this logger 1 top.
As shown in Fig. 3, Fig. 7, this lower damper mechanism comprises the 3rd connecting portion 8 and the second axial vibration damping rubber 9, the 3rd connecting portion 8 one end are fixedly connected with by screw with this logger 1 bottom, other end inner surface is provided with the second annular groove 82, and side is provided with second draw-in groove 81 vertical with this second annular groove 82.These the second axial vibration damping rubber 9 one end are provided with the second edge 94 of annular; side is provided with second clamp 91 vertical with this second edge 94; these the second axial vibration damping rubber 9 other ends and this lower contact 4 tops are supported; lower contact 4 compresses the second axial vibration damping rubber 9; make the second axial vibration damping rubber 9 have certain pressure to be supported instrument; and can continue again compression, completely cut off and absorb vibration, instrument is protected.This second edge 94 is buckled in this second annular groove 82, and this second clamp 91 is buckled in this second draw-in groove 81.
As shown in Figure 2 and Figure 3, this first axial vibration damping rubber 7 comprises the cylindrical body 72 of a hollow, and the top 73 that is provided with an annular is protruded at these body 72 middle parts, and these body two ends are protruded and are provided with this first edge 74 and the first clamp 71.This second axial vibration damping rubber 9 comprises the cylindrical body 92 of a hollow, and the top 93 that is provided with an annular is protruded in these body 92 bottoms, and this body top is protruded and is provided with this second edge 94 and the second clamp 91.This first axial vibration damping rubber 7, this second axial vibration damping rubber 9 can be selected different hardness according to different operating modes.
As shown in Fig. 1, Fig. 5-Fig. 7, this first connecting portion 5, the second connecting portion 6, the 3rd connecting portion 8 include detachable two symmetrical semicylinders, are the structure of two halves splicing, and convenient and first, second axial vibration damping rubber fastens installation.
For better effectiveness in vibration suppression is provided, as Figure 1 and Figure 4, the outside of this logger 1 is coated with the radial vibration-reducing rubber 10 of some annulars, it comprises inner ring 101 and outer ring 102 that hardness is different, by different rubber combined the forming of inside and outside two-layer hardness, hardness and layer thickness can be adjusted, and effectiveness in vibration suppression directly acts on instrument in use, can according to circumstances to the number of installing, adjust, reach different effectiveness in vibration suppression.
In sum, the utility model be the outside directly installation shaft of logger to radial vibration-reducing structure, there is following advantages:
The first, described upper damper mechanism, radial vibration-reducing rubber, lower damper mechanism have well completely cut off the vibration between external procedure environment and inner logger, have reduced the vibration of sensor.
The second, the rubber structure in described upper damper mechanism, radial vibration-reducing rubber, lower damper mechanism can carry out hardness adjustment according to the situation of vibration, better instrument is carried out to vibration damping.
The utility model is limited with described claim.But based on this, those of ordinary skill in the art can make all obvious variations or change, all should be within main spirits of the present utility model and protection domain.
Claims (8)
1. a petroleum drilling logger vibration-proof structure, is characterized in that, it comprises the urceolus for accommodating logger, and this urceolus is provided with top connection, upper damper mechanism, this logger, lower damper mechanism and lower contact from top to bottom successively;
This urceolus is that threaded cylindrical tube is established at two ends, and its upper and lower two ends are spirally connected with this top connection, lower contact respectively;
On this, damper mechanism comprises the first connecting portion, the second connecting portion and is located at the first axial vibration damping rubber between the two; This first connecting portion and the second connecting portion are equipped with the first annular groove towards one end inner surface of this first axial vibration damping rubber, and side is provided with first draw-in groove vertical with this first annular groove; These the first axial vibration damping rubber two ends are equipped with the first edge of annular, and side is provided with first clamp vertical with this first edge; This first edge is buckled in this first annular groove, and this first clamp is buckled in this first draw-in groove; This first connecting portion is fixedly connected with this top connection, and this second connecting portion is fixedly connected with this logger top;
This lower damper mechanism comprises the 3rd connecting portion and the second axial vibration damping rubber, and the 3rd connecting portion one end is fixedly connected with this logger bottom, and other end inner surface is provided with the second annular groove, and side is provided with second draw-in groove vertical with this second annular groove; This second axial vibration damping rubber one end is provided with the second edge of annular, and side is provided with second clamp vertical with this second edge, and this second axial vibration damping rubber other end and this lower contact top are supported; This second edge is buckled in this second annular groove, and this second clamp is buckled in this second draw-in groove.
2. petroleum drilling logger vibration-proof structure according to claim 1, is characterized in that: the outside of described logger is coated with some radial vibration-reducing rubber.
3. petroleum drilling logger vibration-proof structure according to claim 2, is characterized in that: described radial vibration-reducing rubber, for annular, comprises inner ring and outer ring that hardness is different.
4. according to the petroleum drilling logger vibration-proof structure described in claim 1,2 or 3, it is characterized in that: described the first axial vibration damping rubber comprises the cylindrical body of a hollow, the top that is provided with an annular is protruded at this body middle part, and these body two ends are protruded and are provided with described the first edge and the first clamp.
5. according to the petroleum drilling logger vibration-proof structure described in claim 1,2 or 3, it is characterized in that: described the second axial vibration damping rubber comprises the cylindrical body of a hollow, the top that is provided with an annular is protruded in this body bottom, and this body top is protruded and is provided with described the second edge and the second clamp.
6. petroleum drilling logger vibration-proof structure according to claim 1, is characterized in that: described the first connecting portion, the second connecting portion, the 3rd connecting portion include detachable two symmetrical semicylinders.
7. petroleum drilling logger vibration-proof structure according to claim 1, is characterized in that: described top connection and described lower contact are equipped with cable-through hole.
8. petroleum drilling logger vibration-proof structure according to claim 1, is characterized in that: between described the first connecting portion and described top connection, between described the second connecting portion and described logger, be all fixedly connected with by screw between described the 3rd connecting portion and described logger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420425390.2U CN203961955U (en) | 2014-07-30 | 2014-07-30 | A kind of petroleum drilling logger vibration-proof structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420425390.2U CN203961955U (en) | 2014-07-30 | 2014-07-30 | A kind of petroleum drilling logger vibration-proof structure |
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| CN203961955U true CN203961955U (en) | 2014-11-26 |
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| CN201420425390.2U Active CN203961955U (en) | 2014-07-30 | 2014-07-30 | A kind of petroleum drilling logger vibration-proof structure |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105275452A (en) * | 2015-11-20 | 2016-01-27 | 西南石油大学 | Vibration damping apparatus with measurement-while-drilling instrument protection function |
| CN107558993A (en) * | 2017-09-08 | 2018-01-09 | 中国科学院地质与地球物理研究所 | Integration is with brill acoustic receiver transducer package |
-
2014
- 2014-07-30 CN CN201420425390.2U patent/CN203961955U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105275452A (en) * | 2015-11-20 | 2016-01-27 | 西南石油大学 | Vibration damping apparatus with measurement-while-drilling instrument protection function |
| CN105275452B (en) * | 2015-11-20 | 2018-07-13 | 西南石油大学 | Vibration absorber with protection measurement while-drilling instrument function |
| CN107558993A (en) * | 2017-09-08 | 2018-01-09 | 中国科学院地质与地球物理研究所 | Integration is with brill acoustic receiver transducer package |
| CN107558993B (en) * | 2017-09-08 | 2018-06-22 | 中国科学院地质与地球物理研究所 | Integration is with brill acoustic receiver transducer package |
| US10379238B2 (en) | 2017-09-08 | 2019-08-13 | Institute Of Geology And Geophysics, Chinese Academy Of Sciences | Integral packaging device for acoustic receiving transducers while drilling |
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