CN117027762A - Centralizing shock absorber for logging - Google Patents
Centralizing shock absorber for logging Download PDFInfo
- Publication number
- CN117027762A CN117027762A CN202310879979.3A CN202310879979A CN117027762A CN 117027762 A CN117027762 A CN 117027762A CN 202310879979 A CN202310879979 A CN 202310879979A CN 117027762 A CN117027762 A CN 117027762A
- Authority
- CN
- China
- Prior art keywords
- centralizing
- layer structure
- metallic
- shock absorber
- logging
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000035939 shock Effects 0.000 title claims abstract description 28
- 239000006096 absorbing agent Substances 0.000 title claims abstract description 22
- 229910052751 metal Inorganic materials 0.000 claims abstract description 28
- 239000002184 metal Substances 0.000 claims abstract description 28
- 239000005060 rubber Substances 0.000 claims abstract description 26
- 238000009413 insulation Methods 0.000 claims abstract description 11
- 229910052755 nonmetal Inorganic materials 0.000 claims abstract description 8
- 229910000831 Steel Inorganic materials 0.000 claims description 2
- 239000010959 steel Substances 0.000 claims description 2
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 2
- 229910052721 tungsten Inorganic materials 0.000 claims description 2
- 239000010937 tungsten Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 6
- 238000000034 method Methods 0.000 description 7
- 238000006073 displacement reaction Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000002131 composite material Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
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- 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
-
- 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
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/10—Wear protectors; Centralising devices, e.g. stabilisers
- E21B17/1042—Elastomer protector or centering means
-
- 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
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/10—Wear protectors; Centralising devices, e.g. stabilisers
- E21B17/1085—Wear protectors; Blast joints; Hard facing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/08—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with rubber springs ; with springs made of rubber and metal
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/162—Selection of materials
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Fluid Mechanics (AREA)
- Environmental & Geological Engineering (AREA)
- Geochemistry & Mineralogy (AREA)
- Mechanical Engineering (AREA)
- Acoustics & Sound (AREA)
- General Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Geophysics (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Aviation & Aerospace Engineering (AREA)
- Vibration Dampers (AREA)
Abstract
The utility model relates to the technical field of logging instruments, in particular to an acoustic logging righting shock absorber. The centralizing damper of the present utility model includes: the inner layer structure and the outer layer structure wrapping the inner layer structure; the inner layer structure is a hollow annular cylinder and at least comprises an innermost nonmetallic layer; the outer layer structure comprises: an outer body and an outer inlay; the outer layer main body is provided with an opening, and the outer layer inlay is fastened in the opening of the outer layer main body; when the outer body is metallic or non-metallic, the outer inlay is non-metallic or metallic. The innermost layer of the utility model is nonmetal, and has good sound insulation effect. The whole adopts metal and rubber, which is sound-proof and wear-resistant.
Description
Technical Field
The utility model relates to the technical field of logging instruments, in particular to an acoustic logging righting shock absorber.
Background
The logging instrument needs to use a centralizer to centralize and absorb shock during logging, especially in horizontal wells, the weight of the instrument presses on the centralizer, and the instrument rubs against the well wall during horizontal movement to generate noise and easily rubs against the instrument housing.
In the prior art, the centralizer is mostly made of pure metal or pure rubber.
The disadvantage of using pure metal centralizers: in the horizontal well logging process, the acoustic logging instrument generates horizontal displacement, the pure metal centralizer cannot absorb shock, and noise generated by friction with the well wall can interfere with the logging accuracy of the acoustic logging instrument.
The disadvantage of using an integral rubber centralizer is that: in the logging process of the horizontal well, the acoustic logging instrument generates horizontal displacement, compared with a vertical well, the weight of the instrument in the logging process of the horizontal well is on one side of the centralizer, and the rubber centralizer is easy to wear, crack and even fall off in the horizontal displacement process. The centralizing shock absorber falls off, firstly, the logging state of the instrument is affected, and the centralizing shock absorber cannot play a role in centralizing shock absorption. Secondly, the instrument shell is easy to be worn by the well wall in the horizontal displacement process.
The utility model of China with publication number CN212583682U provides a composite material centralizer for a logging instrument, and the utility model adopts metal, rubber and the like to prepare the composite material centralizer, but has complex design and preparation. And the innermost layer is metal and does not insulate sound. The outer surfaces are made of rubber, so that the wear-resisting rubber is not wear-resisting.
Disclosure of Invention
The utility model aims to solve the technical problems in the prior art, and is different from a general pure metal or pure rubber structure, and adopts a rubber and metal structure.
In order to achieve the above purpose, the present utility model is realized by the following technical scheme.
The utility model provides a centralizing shock absorber for well logging, which comprises the following components: the inner layer structure and the outer layer structure wrapping the inner layer structure;
the inner layer structure is a hollow annular cylinder and at least comprises an innermost nonmetallic layer; the outer layer structure comprises: an outer body and an outer inlay;
the outer layer main body is provided with an opening, and the outer layer inlay is fastened in the opening of the outer layer main body; when the outer body is metallic or non-metallic, the outer inlay is non-metallic or metallic. ( This means that when the outer body is metallic, the outer inlay is non-metallic; when the outer layer main body is non-metal, the outer layer inlay is metal )
As one of the improvements of the technical scheme, the inner layer structure further comprises a plurality of metal layers and nonmetal layers which are arranged at intervals.
As one of the improvement of the technical scheme, when the outermost layer of the inner layer structure is a non-metal layer, the non-metal layer and the non-metal part of the outer layer structure are integrally formed.
As one of the improvements of the above technical scheme, the section of the outer layer structure is trapezoid.
As one of the improvement of the technical scheme, a plurality of through holes are formed in the side face of the centralizing shock absorber for well logging, and the centralizing shock absorber is hung on the outer wall of an instrument through jackscrews.
As one of the improvements of the above technical scheme, the metal part of the outer layer structure is provided with a sound insulation groove structure.
As an improvement of the above technical solution, the surface of the outer inlay is protruded from the outer body.
As one of the improvements of the above technical scheme, the nonmetal is rubber.
As one of the improvements of the technical scheme, the metal is tungsten steel.
Compared with the prior art, the utility model has the advantages that:
1. the centralizing shock absorber has strength and can centralize an instrument in a logging process, particularly in a logging process of a horizontal well, and meanwhile, the shock absorbing function is realized, so that the influence of the instrument friction well wall on a received signal is reduced;
2. when in use, the rubber clings to the instrument, thereby playing a role in sound insulation;
3. the metal is wear-resistant and rubber is shock-absorbing, and the metal and the rubber can reduce abrasion and eliminate noise;
4. the sound insulation groove is carved on the metal part, and noise is further attenuated on the basis of compatibility of sound insulation effect and physical strength.
Drawings
FIG. 1 is a block diagram of a centralizing vibration damper for well logging according to an example one of the present utility model;
FIGS. 2 and 3 are top and bottom views, respectively, of a logging righting shock absorber according to an example one of the present utility model in the direction of the central axis of the cylinder;
FIG. 4 is a block diagram of a centralizing vibration damper for logging according to example two of the present utility model;
fig. 5 and 6 are side and top views, respectively, of a logging centralizing shock absorber according to example two of the present utility model.
Detailed Description
The technical scheme of the utility model is described in detail below with reference to the accompanying drawings and examples.
This design adopts rubber + metal structure, and the shock attenuation effect is better, all is suitable for under the logging environment of arbitrary angle. Two examples:
example 1.
Fig. 1 is a structural view of a centralizing damper for well logging according to a first embodiment of the present utility model, and fig. 2 and 3 are a top view and a bottom view along a central axis direction of a cylinder, respectively.
The innermost layer is of a rubber structure, and rubber clings to an instrument in use, so that a sound insulation effect is achieved. The outer layer is formed by placing rubber and metal at intervals, the metal is wear-resistant, and the rubber is shock-absorbing. The metal part can be carved with an acoustic insulation groove to further attenuate noise. The surface of the outer inlay is protruded from the outer main body for fastening inside the well while righting the instrument.
Example 2.
FIG. 4 is a block diagram of a centralizing vibration damper for well logging according to example two of the present utility model; fig. 5 and 6 are side and top views, respectively, of a logging centralizing shock absorber according to example two of the present utility model.
The innermost layer is of a rubber structure, and rubber clings to an instrument in use, so that a sound insulation effect is achieved. The outer layer is metal, rubber and metal in sequence, and the outer layer is rubber and metal interval placement, and metal is wear-resisting, rubber shock attenuation. The metal part can be carved with an acoustic insulation groove to further attenuate noise. The two sides of the centralizing damper are reinforced by metal.
The cross section of outer layer structure is trapezoidal for the protrusion in the middle of the both ends of righting the bumper shock absorber: reducing the resistance of the instrument to travel in the well.
The innermost layer of the embodiment is rubber, and the sound insulation effect is good. The whole adopts metal and rubber, which is sound-proof and wear-resistant.
Finally, it should be noted that the above embodiments are only for illustrating the technical solution of the present utility model and are not limiting. Although the present utility model has been described in detail with reference to the embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the present utility model, which is intended to be covered by the appended claims.
Claims (9)
1. A centralizing shock absorber for well logging, the centralizing shock absorber comprising: the inner layer structure and the outer layer structure wrapping the inner layer structure;
the inner layer structure is a hollow annular cylinder and at least comprises an innermost nonmetallic layer; the outer layer structure comprises: an outer body and an outer inlay;
the outer layer main body is provided with an opening, and the outer layer inlay is fastened in the opening of the outer layer main body; when the outer body is metallic or non-metallic, the outer inlay is non-metallic or metallic.
2. The logging centralizing shock absorber of claim 1, wherein the inner layer structure further comprises a plurality of spaced apart metallic layers and non-metallic layers.
3. The well logging centralizing shock absorber according to claim 2, wherein when the outermost layer of the inner layer structure is a non-metallic layer, it is integrally formed with the non-metallic portion of the outer layer structure.
4. The well logging centralizing shock absorber according to claim 1, wherein the outer layer structure is trapezoidal in cross-section.
5. The centralizing vibration damper according to claim 1, wherein the centralizing vibration damper is provided with a plurality of through holes on the side surface thereof for hanging the centralizing vibration damper on the outer wall of the instrument by a jackscrew.
6. The well logging centralizing shock absorber according to claim 1, wherein the metal portion of the outer layer structure is provided with a sound insulation channel structure.
7. The centralizing vibration damper of claim 1, wherein the outer inlay surface is raised from the outer body.
8. The logging centralizing shock absorber of any one of claims 1-7, wherein the non-metal is rubber.
9. The logging centralizing shock absorber according to any one of claims 1-7, wherein the metal is tungsten steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310879979.3A CN117027762A (en) | 2023-07-18 | 2023-07-18 | Centralizing shock absorber for logging |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310879979.3A CN117027762A (en) | 2023-07-18 | 2023-07-18 | Centralizing shock absorber for logging |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117027762A true CN117027762A (en) | 2023-11-10 |
Family
ID=88621689
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310879979.3A Pending CN117027762A (en) | 2023-07-18 | 2023-07-18 | Centralizing shock absorber for logging |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117027762A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201363103Y (en) * | 2009-01-13 | 2009-12-16 | 西南石油大学 | Compound anti-wear torque-reducing tool |
| CN203412574U (en) * | 2013-06-13 | 2014-01-29 | 中国石油集团长城钻探工程有限公司 | Shock absorption and noise reduction structure for acoustic logging instrument |
| CN203420647U (en) * | 2013-07-03 | 2014-02-05 | 中国石油天然气集团公司 | Centralizer of loggers during drilling |
| US20140124269A1 (en) * | 2012-11-06 | 2014-05-08 | Evolution Engineering Inc. | Centralizer for downhole probes |
| US20180038172A1 (en) * | 2016-08-08 | 2018-02-08 | Oil States Industries, Inc. | Polymer-based centralizer for downhole drilling apparatus |
| CN109441372A (en) * | 2018-12-10 | 2019-03-08 | 北京市普利门电子科技有限公司 | Connection centralizer for measuring instrument |
| CN210087312U (en) * | 2019-04-15 | 2020-02-18 | 中国科学院声学研究所 | Sandwich structure acoustic logging while drilling instrument sound insulator |
| CN211549608U (en) * | 2019-11-15 | 2020-09-22 | 中国石油集团测井有限公司华北分公司 | A righting device for acoustic density combination logging instrument |
| CN214787236U (en) * | 2021-04-06 | 2021-11-19 | 西安高地能源科技有限公司 | High-temperature rubber wing-shaped centralizer |
| CN116122746A (en) * | 2022-11-17 | 2023-05-16 | 平顶山市安泰华矿用安全设备制造有限公司 | Pressure control expansion type centralizing mechanism |
-
2023
- 2023-07-18 CN CN202310879979.3A patent/CN117027762A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201363103Y (en) * | 2009-01-13 | 2009-12-16 | 西南石油大学 | Compound anti-wear torque-reducing tool |
| US20140124269A1 (en) * | 2012-11-06 | 2014-05-08 | Evolution Engineering Inc. | Centralizer for downhole probes |
| CN203412574U (en) * | 2013-06-13 | 2014-01-29 | 中国石油集团长城钻探工程有限公司 | Shock absorption and noise reduction structure for acoustic logging instrument |
| CN203420647U (en) * | 2013-07-03 | 2014-02-05 | 中国石油天然气集团公司 | Centralizer of loggers during drilling |
| US20180038172A1 (en) * | 2016-08-08 | 2018-02-08 | Oil States Industries, Inc. | Polymer-based centralizer for downhole drilling apparatus |
| CN109441372A (en) * | 2018-12-10 | 2019-03-08 | 北京市普利门电子科技有限公司 | Connection centralizer for measuring instrument |
| CN210087312U (en) * | 2019-04-15 | 2020-02-18 | 中国科学院声学研究所 | Sandwich structure acoustic logging while drilling instrument sound insulator |
| CN211549608U (en) * | 2019-11-15 | 2020-09-22 | 中国石油集团测井有限公司华北分公司 | A righting device for acoustic density combination logging instrument |
| CN214787236U (en) * | 2021-04-06 | 2021-11-19 | 西安高地能源科技有限公司 | High-temperature rubber wing-shaped centralizer |
| CN116122746A (en) * | 2022-11-17 | 2023-05-16 | 平顶山市安泰华矿用安全设备制造有限公司 | Pressure control expansion type centralizing mechanism |
Non-Patent Citations (2)
| Title |
|---|
| 傅艳莉等: "各向异性扩散滤波远探测声波测井图像降噪方法", 应用声学, vol. 41, no. 4, 31 July 2022 (2022-07-31), pages 568 - 577 * |
| 宋鸣剑: "浅谈声波测井仪器的基本原理及应用", 河北企业, 10 July 2017 (2017-07-10), pages 210 - 211 * |
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