CN204152500U - A kind of logging cable protective device - Google Patents
A kind of logging cable protective device Download PDFInfo
- Publication number
- CN204152500U CN204152500U CN201420595013.3U CN201420595013U CN204152500U CN 204152500 U CN204152500 U CN 204152500U CN 201420595013 U CN201420595013 U CN 201420595013U CN 204152500 U CN204152500 U CN 204152500U
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- CN
- China
- Prior art keywords
- righting
- pulley
- slide bar
- pulley bracket
- shaped slide
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Abstract
The utility model relates to a kind of horizontal well logging cable protector, comprises cylindrical shell and pulley, and the top of cylindrical shell is provided with location gap, and cylindrical shell is provided with pulley bracket, and pulley bracket is positioned at the both sides of location gap, and pulley is hinged on pulley bracket by pulley spindle; Pulley bracket is arranged with two righting roller devices, righting roller devices comprises righting roller, righting rolling wheel support and U-shaped slide bar, and righting roller is hinged on righting rolling wheel support by righting roller shaft; Pulley bracket is provided with two through holes, and U-shaped slide bar passes through hole and is slidably matched with through hole, and the openend of U-shaped slide bar is fixedly connected with righting rolling wheel support; U-shaped slide bar outer cover is provided with spring, and spring is between righting rolling wheel support and pulley bracket; Righting roller is positioned at the inner side of pulley bracket and the axis of righting roller is vertical direction; The blind end of U-shaped slide bar is provided with draw ring.The utility model is simple and reasonable, easy and simple to handle, and righting is effective, can reduce cable wearing and tearing.
Description
Technical field
The utility model relates to oil well logging equipment technical field, specifically a kind of logging cable protective device.
Background technology
In horizontal well or high-angle borehole logging process, generally adopt drilling tool to be sent into by instrument and go into the well, dock logging cable by wet-make connection, drilling tool followed by cable and instrument is transported to down-hole, just can complete horizontal logging tasks.Cable outer wrapping insulation materials, is easily damaged.To in delivered downhole cable construction process, cable directly contacts with sleeve pipe at well head, the easy sleeve wearing and tearing of cable, in addition, when transferring drilling tool, the elevator hanging drilling tool is easy to cable of damaging, cable is caused to disconnect or cable core insulation reduction, success log ratio is reduced, extends log-time, increase logging cost.
In order to solve the problem, Chinese patent CN200520127578.X discloses in a kind of horizontal well or High angle well logging, is arranged on the device of wellhead protecting logging cable, is made up of cylindrical shell, pulley and set bolt etc., and cylindrical shell is cylindric.There is set bolt cylindrical shell lower end, cylindrical shell can be fixed on well head top.Cylindrical shell has location gap, the width of location gap is between 10-60 millimeter.Be fixed with the support of bearing in gap both sides, location, the support of bearing have axle and pulley.The support of bearing is fixed with two body resistance-strengthening tablets, cable can be passed through in the middle of two body resistance-strengthening tablets, and walk around pulley and enter in well.During cable into well, cable and pulley form rolling friction, decrease the wearing and tearing of cable, and the location gap of cable is enough low, ensure cable all the time in the bottom of sleeve pipe and elevator contact surface, and elimination elevator smashes the possibility of cable.
But above-mentioned technology has the following disadvantages: be sliding friction between body resistance-strengthening tablets and cable, easily cause cable to wear and tear; Spacing between body resistance-strengthening tablets can not regulate, and the cable size be suitable for is limited in scope; Do not have pretightning force between body resistance-strengthening tablets and cable, poor to the righting effect of cable, cable easily produces radial displacement.
Summary of the invention
The purpose of this utility model is to overcome above-mentioned the deficiencies in the prior art, and provide a kind of simple and reasonable, easy and simple to handle, righting is effective, can reduce the horizontal well logging cable protector of cable wearing and tearing.
Technical problem to be solved in the utility model realizes by the following technical solutions: a kind of logging cable protective device, comprises cylindrical shell and pulley, and the upper end of described cylindrical shell is provided with flange, and the diameter of described flange is 200-300 millimeter; The top of described cylindrical shell is provided with location gap, and cylindrical shell is provided with pulley bracket, and described pulley bracket is positioned at the both sides of location gap, and described pulley is hinged on pulley bracket by pulley spindle; Described pulley bracket is arranged with two righting roller devices, described righting roller devices comprises righting roller, righting rolling wheel support and U-shaped slide bar, and described righting roller is hinged on righting rolling wheel support by righting roller shaft; Described pulley bracket is provided with two through holes, and U-shaped slide bar passes through hole and is slidably matched with through hole, and the openend of U-shaped slide bar is fixedly connected with righting rolling wheel support; Described U-shaped slide bar outer cover is provided with spring, and described spring is between righting rolling wheel support and pulley bracket; Described righting roller is positioned at the inner side of pulley bracket and the axis of righting roller is vertical direction; The blind end of described U-shaped slide bar is provided with draw ring.During use, by draw ring, righting roller is drawn to both sides, adjust the distance between two righting rollers, to adapt to the cable of different-diameter, cable is put between two righting rollers, cable rides on pulley, and righting roller keeps in touch with cable under the action of the spring, and cable is entered well by pulley and righting roller or gone out well; Flange is for placing elevator.
Relative to prior art, the beneficial effects of the utility model are: be rolling friction between cable and righting roller, decrease the wearing and tearing of cable; Distance between righting roller is adjustable, can be suitable for the cable of different-diameter; Righting pair of rollers cable has pretightning force, prevents cable from producing radial displacement, effective to the righting of cable.
As preferably, the width of described location gap is 10-60 millimeter.Adopt the technical program, the cable of different-diameter can be suitable for.
As preferably, described draw ring is worn and is connected on U-shaped slide bar.Adopt the technical program, draw ring does not need to be fixed on U-shaped slide bar by other fixed forms such as welding, simplifies the processing technology of U-shaped bar.
As preferably, described cylindrical shell lower end is stairstepping, the lock bolt that cylindrical shell is provided with screwed hole and coordinates with screwed hole.Adopt the technical program, the top of well head can be made to be against on stairstepping cylindrical shell, and by lock bolt, cylindrical shell is firmly fixed on well head.
As preferably, described pulley is connected with pulley axle key, and the two ends of pulley spindle are arranged on pulley bracket by bearing.Adopt the technical program, the friction that can reduce pulley and change between wheel shaft or between pulley spindle and pulley bracket, thus make the rotation of pulley more flexibly and extend shelf life of pulley, pulley spindle or pulley bracket.
As preferably, the material of described pulley and righting roller is nylon.Nylon oil resistant, wear-resistant, friction factor is low, be easy to processing and with low cost.
Accompanying drawing explanation
Fig. 1 is front view of the present utility model.
Fig. 2 is the partial enlarged drawing in Figure 1A portion.
Fig. 3 is right side cross-sectional view of the present utility model.
In figure: 1, cylindrical shell, 2, pulley, 3, location gap, 4, pulley bracket, 5, pulley spindle, 6, righting roller devices, 6-1, righting roller, 6-2, righting rolling wheel support, 6-3, U-shaped slide bar, 6-4, righting roller shaft, 6-5, spring, 6-6, draw ring, 7, lock bolt, 8, cable, 9, flange.
Detailed description of the invention
For the technical characterstic of this programme can be clearly demonstrated, with reference to the accompanying drawings the utility model detailed description of the invention is described further below.
As shown in Figure 1, Figure 2 and Figure 3: a kind of logging cable protective device, comprise the pulley 2 of cylindrical shell 1 and nylon material, the upper end of described cylindrical shell 1 is provided with flange 9, and the diameter of described flange 9 is 200 millimeters; The top of described cylindrical shell 1 is provided with location gap 3, and the width of described location gap 3 is 10-60 millimeter; Cylindrical shell 1 is provided with pulley bracket 4, and described pulley bracket 4 is positioned at the both sides of location gap 3, and pulley bracket 4 is provided with bearing, pulley 2 by pulley spindle 5 and bearing hinge connection on pulley bracket 4; Described pulley bracket 4 is arranged with two righting roller devices 6, described righting roller devices 6 comprises righting roller 6-1, righting rolling wheel support 6-2 and the U-shaped slide bar 6-3 of nylon material, and described righting roller 6-1 is hinged on righting rolling wheel support 6-2 by righting roller shaft 6-4; Described pulley bracket 4 is provided with two through holes, and U-shaped slide bar 6-3 passes through hole and is slidably matched with through hole, and the openend of U-shaped slide bar 6-3 is fixedly connected with righting rolling wheel support 6-2; Described U-shaped slide bar 6-3 outer cover is provided with spring 6-5, and described spring 6-5 is between righting rolling wheel support 6-2 and pulley bracket 4; Described righting roller 6-1 is positioned at the inner side of pulley bracket 4 and the axis of righting roller 6-1 is vertical direction; The blind end of described U-shaped slide bar 6-3 is provided with draw ring 6-6, and described draw ring 6-6 wears and is connected on U-shaped slide bar 6-3; Described cylindrical shell 1 lower end is stairstepping, the lock bolt 7 that cylindrical shell 1 is provided with screwed hole and coordinates with screwed hole.
During use, by draw ring 6-6, righting roller 6-1 is drawn to both sides, adjust the distance between two righting roller 6-1, to adapt to the cable 8 of different-diameter, cable 8 is put between two righting roller 6-1, cable 8 rides on pulley 2, and righting roller 6-1 keeps in touch with cable 8 under the effect of spring 6-5, and cable 8 is entered well by pulley 2 and righting roller 6-1 or gone out well; Flange 9 is for placing elevator.
By reference to the accompanying drawings embodiment of the present utility model is elaborated above, but the utility model is not limited to above-described embodiment, in the ken that those of ordinary skill in the art possess, can also make a variety of changes under the prerequisite not departing from the utility model aim.
Claims (6)
1. a logging cable protective device, comprises cylindrical shell (1) and pulley (2), and the upper end of described cylindrical shell (1) is provided with flange (9), and the diameter of described flange (9) is 200-300 millimeter, the top of described cylindrical shell (1) is provided with location gap (3), cylindrical shell (1) is provided with pulley bracket (4), described pulley bracket (4) is positioned at the both sides of location gap (3), described pulley (2) is hinged on pulley bracket (4) by pulley spindle (5), it is characterized in that: described pulley bracket (4) is arranged with two righting roller devices (6), described righting roller devices (6) comprises righting roller (6-1), righting rolling wheel support (6-2) and U-shaped slide bar (6-3), described righting roller (6-1) is hinged on righting rolling wheel support (6-2) by righting roller shaft (6-4), described pulley bracket (4) is provided with two through holes, and U-shaped slide bar (6-3) is through through hole and be slidably matched with through hole, and the openend of U-shaped slide bar (6-3) is fixedly connected with righting rolling wheel support (6-2), described U-shaped slide bar (6-3) outer cover is provided with spring (6-5), and described spring (6-5) is positioned between righting rolling wheel support (6-2) and pulley bracket (4), described righting roller (6-1) is positioned at the inner side of pulley bracket (4) and the axis of righting roller (6-1) is vertical direction, the blind end of described U-shaped slide bar (6-3) is provided with draw ring (6-6).
2. logging cable protective device according to claim 1, is characterized in that: the width of described location gap (3) is 10-60 millimeter.
3. logging cable protective device according to claim 1, is characterized in that: described draw ring (6-6) is worn and is connected on U-shaped slide bar (6-3).
4., according to the arbitrary described logging cable protective device of claim 1-3, it is characterized in that: described cylindrical shell (1) lower end is stairstepping, the lock bolt (7) that cylindrical shell (1) is provided with screwed hole and coordinates with screwed hole.
5., according to the arbitrary described logging cable protective device of claim 1-3, it is characterized in that: described pulley (2) is connected with pulley spindle (5) key, the two ends of pulley spindle (5) are arranged on pulley bracket (4) by bearing.
6., according to the arbitrary described logging cable protective device of claim 1-3, it is characterized in that: the material of described pulley (2) and righting roller (6-1) is nylon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420595013.3U CN204152500U (en) | 2014-10-15 | 2014-10-15 | A kind of logging cable protective device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420595013.3U CN204152500U (en) | 2014-10-15 | 2014-10-15 | A kind of logging cable protective device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204152500U true CN204152500U (en) | 2015-02-11 |
Family
ID=52510625
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420595013.3U Expired - Fee Related CN204152500U (en) | 2014-10-15 | 2014-10-15 | A kind of logging cable protective device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204152500U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109184668A (en) * | 2018-10-31 | 2019-01-11 | 淮南矿业(集团)有限责任公司 | The overload protection arrangement of video instrument in a kind of well |
| CN112253032A (en) * | 2020-09-30 | 2021-01-22 | 中国石油天然气股份有限公司 | Wellhead cable protector for oil-submersible cable tripping operation and cable protection method |
-
2014
- 2014-10-15 CN CN201420595013.3U patent/CN204152500U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109184668A (en) * | 2018-10-31 | 2019-01-11 | 淮南矿业(集团)有限责任公司 | The overload protection arrangement of video instrument in a kind of well |
| CN109184668B (en) * | 2018-10-31 | 2024-01-02 | 淮南矿业(集团)有限责任公司 | Overload protection device of video recorder in well |
| CN112253032A (en) * | 2020-09-30 | 2021-01-22 | 中国石油天然气股份有限公司 | Wellhead cable protector for oil-submersible cable tripping operation and cable protection method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150211 Termination date: 20151015 |
|
| EXPY | Termination of patent right or utility model |