CN204436365U - A kind of hinge joining means for logging instrument - Google Patents
A kind of hinge joining means for logging instrument Download PDFInfo
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- CN204436365U CN204436365U CN201420750328.0U CN201420750328U CN204436365U CN 204436365 U CN204436365 U CN 204436365U CN 201420750328 U CN201420750328 U CN 201420750328U CN 204436365 U CN204436365 U CN 204436365U
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- logging instrument
- main body
- lower connector
- top sub
- grooved main
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Abstract
The utility model discloses a kind of hinge joining means for logging instrument, logging instrument grooved main body replaces being connected by flexible nipple in prior art with logging instrument top sub and logging instrument lower connector chain connection, realize the change of logger string in oil well angle, improve the bonding strength of logging instrument grooved main body and logging instrument top sub and logging instrument lower connector, in use, when running into larger slope or dog-leg tripe shape is protruding, logging instrument top sub and logging instrument lower connector can adjust angle under self gravitation effect, logging instrument grooved main body can be moved along borehole track direction, ensure that well-logging probe can well be close to the borehole wall, thus improve the accuracy of logging instrument image data.
Description
Technical field
The utility model relates to petroleum works technical field, particularly a kind of hinge joining means for logging instrument.
Background technology
Oil/gas Well is the eyelet be drilled to by boring method, get into after planned well spends deeply at Oil/gas Well, need to carry out logging operation, to obtain petroleum geology and engineering data, as completion and the firsthand information developed oil fields, the data according to obtaining carries out the position that integrated interpretation judges oil reservoir.Well logging needs to use logging instrument, logging instrument comprises ground instrument and downhole instrument string, downhole instrument string forms primarily of the logging instrument of various difference in functionality, containing telescoping ram logging instrument primarily of detector probe, connect main body, for drive detector probe and hole diameter leg motion telescoping ram composition in the concrete course of work, telescoping ram promotes the counter motion of hole diameter leg, promotes detector probe and is close to the borehole wall.Instrument string of the prior art relies on flexible nipple to realize the change in the logging instrument direction of flexible nipple top and bottom, but due to downhole instrument string length is long and flexible nipple distance telescoping ram distant, cause detector probe effectively can not be close to the borehole wall, affect logging instrument image data accuracy.
Therefore, how to improve the effect that detector probe is close to the borehole wall, thus effectively improve the accuracy of logging instrument image data, become the technical problem that those skilled in the art are urgently to be resolved hurrily.
Utility model content
In view of this, the utility model provides a kind of hinge joining means for logging instrument, to improve the effect that logging instrument probe is close to the borehole wall, thus effectively improves the accuracy of logging instrument image data.
For achieving the above object, the utility model provides following technical scheme:
A kind of hinge joining means for logging instrument, comprise: logging instrument top sub, logging instrument lower connector and logging instrument grooved main body, the top chain connection of described logging instrument top sub and described logging instrument grooved main body, the bottom chain connection of described logging instrument lower connector and described logging instrument grooved main body.
Preferably, above-mentioned in the hinge joining means of logging instrument, the two ends of described logging instrument grooved main body are provided with connecting portion, the diameter of described connecting portion is less than the diameter of described logging instrument grooved main body, described logging instrument top sub and described logging instrument lower connector are all connected through the hinge with described connecting portion, and the diameter of the axis hole that described connecting portion, described logging instrument top sub and described logging instrument lower connector coordinate with jointed shaft is large compared with the diameter of described jointed shaft.
Preferably, above-mentioned in the hinge joining means of logging instrument, the described connecting portion on described logging instrument grooved main body top offers the first axis hole, described logging instrument top sub offers second axis hole corresponding with described first axis hole position, in described first axis hole and described second axis hole, can limit shaft be plugged.
Preferably, above-mentioned in the hinge joining means of logging instrument, the described connecting portion of described logging instrument grooved main body bottom offers Triaxial hole, described logging instrument lower connector offers four axis hole corresponding with described Triaxial hole position, in described Triaxial hole and described 4th axis hole, described limit shaft can be plugged.
Preferably, above-mentioned in the hinge joining means of logging instrument, described logging instrument top sub is the logging instrument top sub of martensitic precipitation or titanium alloy material, described logging instrument grooved main body is the logging instrument grooved main body of martensitic precipitation or titanium alloy material, described logging instrument lower connector is the logging instrument lower connector of martensitic precipitation or titanium alloy material, described limit shaft is the limit shaft of martensitic precipitation or titanium alloy material, described jointed shaft is the jointed shaft of martensitic precipitation or titanium alloy material.
As can be seen from technique scheme, the hinge joining means for logging instrument that the utility model provides, comprise logging instrument grooved main body, logging instrument top sub and logging instrument lower connector, the top chain connection of logging instrument top sub and logging instrument grooved main body, the bottom chain connection of logging instrument lower connector and logging instrument grooved main body, in the use procedure of logging instrument, all can there is angular deflection in logging instrument top sub and logging instrument lower connector.The device that this programme provides replaces being connected by flexible nipple in prior art with logging instrument top sub and logging instrument lower connector chain connection by logging instrument grooved main body, realize the change of logger string in oil well angle, improve the bonding strength of logging instrument grooved main body and logging instrument top sub and logging instrument lower connector, in use, when running into larger slope or dog-leg tripe shape is protruding, logging instrument top sub and logging instrument lower connector can adjust angle under self gravitation effect, logging instrument grooved main body can be moved along borehole track direction, ensure that well-logging probe can well be close to the borehole wall, thus improve the accuracy of logging instrument image data.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The structural representation of the combination logging tool that Fig. 1 provides for the utility model prior art;
Fig. 2 for the utility model embodiment provide limit shaft is installed time the logging instrument top sub structural representation that is connected with logging instrument grooved main body;
Fig. 3 for the utility model embodiment provide limit shaft is installed time the logging instrument lower connector structural representation that is connected with logging instrument grooved main body;
Fig. 4 for the utility model embodiment provide there is no a mounting limit axle time logging instrument top sub structural representation that is connected with logging instrument grooved main body;
Fig. 5 for the utility model embodiment provide there is no a mounting limit axle time logging instrument lower connector structural representation that is connected with logging instrument grooved main body;
Fig. 6 for the utility model embodiment provide limit shaft is installed time hinge means structural representation.
1, logging instrument top sub, 2, logging instrument lower connector, 3, logging instrument grooved main body, 4, limit shaft, 5, jointed shaft.
Detailed description of the invention
The utility model discloses a kind of hinge joining means for logging instrument, to improve the effect that logging instrument probe is close to the borehole wall, thus effectively improve the accuracy of logging instrument image data.
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1-Fig. 6, the structural representation of the combination logging tool that Fig. 1 provides for the utility model prior art; Fig. 2 for the utility model embodiment provide limit shaft is installed time the logging instrument top sub structural representation that is connected with logging instrument grooved main body; Fig. 3 for the utility model embodiment provide limit shaft is installed time the logging instrument lower connector structural representation that is connected with logging instrument grooved main body; Fig. 4 for the utility model embodiment provide there is no a mounting limit axle time logging instrument top sub structural representation that is connected with logging instrument grooved main body; Fig. 5 for the utility model embodiment provide there is no a mounting limit axle time logging instrument lower connector structural representation that is connected with logging instrument grooved main body; Fig. 6 for the utility model embodiment provide limit shaft is installed time hinge means structural representation.
A kind of hinge joining means for logging instrument, comprise: logging instrument top sub 1, logging instrument lower connector 2 and logging instrument grooved main body 3, the top chain connection of logging instrument top sub 1 and logging instrument grooved main body 3, the bottom chain connection of logging instrument lower connector 2 and logging instrument grooved main body 3.
The upper end of logging instrument top sub 1 is for connecting the logger such as the spread of the rumours gamma ray logger and compensation neutron logger in whole logger string, and the lower end of logging instrument lower connector 2 is for connecting the logger such as dual laterolog equipment and array induction logging tool in whole logger string.Telescoping ram, detector probe and hole diameter arm etc. are set in logging instrument grooved main body 3.
The device that this programme provides is by logging instrument top sub 1 and the logging instrument lower connector 2 two ends chain connection with logging instrument grooved main body 3, replace being connected by flexible nipple in prior art, realize the change of logger string in Oil/gas Well down-hole angle, improve logging instrument top sub 1 and the bonding strength between logging instrument lower connector 2 and logging instrument grooved main body 3 on the one hand, allow logging instrument grooved main body 3 to deflect larger angle simultaneously, ensure that well-logging probe can be close to the borehole wall in well logging, effective production wells internal information.
In well logging, when logging instrument runs into slope or dog-leg tripe shape is protruding, first there is angle change in logging instrument lower connector 2, angle is adjusted under the effect of self gravitation, avoid that logging instrument chance card occurs to be hampered, simultaneous logging instrument lower connector 2 drives logging instrument grooved main body 3 that angle change occurs, well-logging probe is contacted with the borehole wall all the time, logging instrument grooved main body 3 drives logging instrument top sub 1 that angle change occurs, logging instrument top sub 1, between logging instrument lower connector 2 and logging instrument grooved main body 3, shape has a certain degree, do not influence each other between three parts, logging instrument grooved main body 3 is contacted with the borehole wall all the time, thus can effectively ensure that detector probe contacts with the borehole wall all the time, ensure that the accuracy of data acquisition.This programme adopts hinged connected mode, logging instrument top sub 1 and the angle of regulation range between logging instrument lower connector 2 and logging instrument grooved main body 3 large, reduce the possibility that in use hinge arrangement damages, improve the application life of logging instrument.
In order to optimize technique scheme further, in a specific embodiment of the present utility model, the two ends of logging instrument grooved main body 3 are provided with connecting portion, the diameter of connecting portion is less than the diameter of logging instrument grooved main body 3, logging instrument top sub 1 and logging instrument lower connector 2 are all connected through the hinge with connecting portion, connecting portion is a part for logging instrument grooved main body 3, with logging instrument grooved main body 3 one producing shaped or be welded to connect with described logging instrument grooved main body 3, tender damage of consolidating to logging instrument grooved main body 3 in reduction use procedure, reduce the maintenance cost of device, the diameter of the axis hole that connecting portion, logging instrument top sub 1 and logging instrument lower connector 2 coordinate with jointed shaft 5 is large compared with the diameter of jointed shaft 5, ensure logging instrument top sub 1 and logging instrument lower connector 2 can and connecting portion between freely rotate.
In order to optimize technique scheme further, in a specific embodiment of the present utility model, the connecting portion on logging instrument grooved main body 3 top offers the first axis hole, logging instrument top sub 1 offers second axis hole corresponding with the first axis hole position, limit shaft 4 can be plugged in first axis hole and the second axis hole, and/or, the connecting portion of logging instrument grooved main body 3 bottom offers Triaxial hole, logging instrument lower connector 2 offers four axis hole corresponding with Triaxial hole position, in Triaxial hole and the 4th axis hole, limit shaft 4 can be plugged.
Limit shaft 4 is plugged in the first axis hole and the second axis hole can play certain position-limiting action to the motion of logging instrument top sub 1, and limit shaft 4 is plugged in Triaxial hole and the 4th axis hole can play certain position-limiting action to the motion of logging instrument lower connector 2.When logging instrument carries out data acquisition in the straight well that borehole condition is good, be plugged in by limit shaft 4 in second axis hole and the 4th axis hole, the degree of freedom of restriction logging instrument top sub 1 and logging instrument lower connector 2, makes the angle of well-logging probe not change; When logging instrument carries out data acquisition to inclined shaft or the poor well of borehole condition, limit shaft 4 is removed in the second axis hole and the 4th axis hole, logging instrument top sub 1 and logging instrument lower connector 2 are about 5 ° relative to the deflection angle of logging instrument grooved main body 3, the adjustment of angle can be carried out along with borehole track, avoid in use causing logging instrument to meet card being hampered because logging instrument top sub 1 and logging instrument lower connector 2 rotate
In order to optimize technique scheme further, in a specific embodiment of the present utility model, logging instrument top sub 1 is the logging instrument top sub of martensitic precipitation or titanium alloy material, logging instrument grooved main body 3 is the logging instrument grooved main body of martensitic precipitation or titanium alloy material, logging instrument lower connector 2 is the logging instrument lower connector of martensitic precipitation or titanium alloy material, limit shaft 4 is the limit shaft of martensitic precipitation or titanium alloy material, jointed shaft 5 is the jointed shaft of martensitic precipitation or titanium alloy material.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the utility model.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein when not departing from spirit or scope of the present utility model, can realize in other embodiments.Therefore, the utility model can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (5)
1. the hinge joining means for logging instrument, it is characterized in that, comprise: logging instrument top sub (1), logging instrument lower connector (2) and logging instrument grooved main body (3), the top chain connection of described logging instrument top sub (1) and described logging instrument grooved main body (3), the bottom chain connection of described logging instrument lower connector (2) and described logging instrument grooved main body (3).
2. the hinge joining means for logging instrument according to claim 1, it is characterized in that, the two ends of described logging instrument grooved main body (3) are provided with connecting portion, the diameter of described connecting portion is less than the diameter of described logging instrument grooved main body (3), described logging instrument top sub (1) and described logging instrument lower connector (2) are all connected through the hinge with described connecting portion, described connecting portion, the diameter of described logging instrument top sub (1) and the upper axis hole coordinated with jointed shaft (5) of described logging instrument lower connector (2) is large compared with the diameter of described jointed shaft (5).
3. the hinge joining means for logging instrument according to claim 2, it is characterized in that, the described connecting portion on described logging instrument grooved main body (3) top offers the first axis hole, described logging instrument top sub (1) offers second axis hole corresponding with described first axis hole position, in described first axis hole and described second axis hole, limit shaft (4) can be plugged.
4. the hinge joining means for logging instrument according to claim 3, it is characterized in that, the described connecting portion of described logging instrument grooved main body (3) bottom offers Triaxial hole, described logging instrument lower connector (2) offers four axis hole corresponding with described Triaxial hole position, in described Triaxial hole and described 4th axis hole, described limit shaft (4) can be plugged.
5. the hinge joining means for logging instrument according to claim 3, it is characterized in that, the logging instrument top sub that described logging instrument top sub (1) is martensitic precipitation or titanium alloy material, the logging instrument grooved main body that described logging instrument grooved main body (3) is martensitic precipitation or titanium alloy material, the logging instrument lower connector that described logging instrument lower connector (2) is martensitic precipitation or titanium alloy material, the limit shaft that described limit shaft (4) is martensitic precipitation or titanium alloy material, the jointed shaft that described jointed shaft (5) is martensitic precipitation or titanium alloy material.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420750328.0U CN204436365U (en) | 2014-12-03 | 2014-12-03 | A kind of hinge joining means for logging instrument |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420750328.0U CN204436365U (en) | 2014-12-03 | 2014-12-03 | A kind of hinge joining means for logging instrument |
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| CN204436365U true CN204436365U (en) | 2015-07-01 |
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| CN201420750328.0U Active CN204436365U (en) | 2014-12-03 | 2014-12-03 | A kind of hinge joining means for logging instrument |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104453852A (en) * | 2014-12-03 | 2015-03-25 | 万瑞（北京）科技有限公司 | Hinge connecting device for logging instrument |
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- 2014-12-03 CN CN201420750328.0U patent/CN204436365U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104453852A (en) * | 2014-12-03 | 2015-03-25 | 万瑞（北京）科技有限公司 | Hinge connecting device for logging instrument |
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