CN203175539U - Three-component induction coil array probe line routing structure - Google Patents
Three-component induction coil array probe line routing structure Download PDFInfo
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- CN203175539U CN203175539U CN 201320085464 CN201320085464U CN203175539U CN 203175539 U CN203175539 U CN 203175539U CN 201320085464 CN201320085464 CN 201320085464 CN 201320085464 U CN201320085464 U CN 201320085464U CN 203175539 U CN203175539 U CN 203175539U
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Abstract
The utility model relates to a three-component induction coil array probe line routing structure. The three-component induction coil array probe line routing structure comprises a metal mandrel, a composite copper pipe, a Z coil framework and an XY coil flexible plate, wherein the section of the metal mandrel is of a cross structure, the composite copper pipe is sleeved outside the metal mandrel, the Z coil framework is installed on the composite copper pipe, and the XY coil flexible plate is wound and fixed on the Z coil framework. Three copper pipe line outlet holes are designed in the position, corresponding to the metal mandrel cross groove, of the composite copper pipe, wherein each copper line outlet hole has an independent direction. Coil framework line outlet holes designed in the Z coil framework, flexible plate coil line outlet holes designed in the XY coil flexible plate both correspond to the copper pipe line outlet holes designed in the composite copper pipe and a cross groove designed in the metal mandrel. The three-component induction coil array probe line routing structure can effectively solve the problem that mutual interference exists between a coil framework winding and regional routing signals of the mandrel.
Description
Technical field
The utility model relates to the oil well logging field, is specifically related to a kind of probe string-passing structure relevant with three-component induction oil well logging instrument.
Background technology
The three-component inductive coil series is the chief component of three-component induction logging instrument, and coil array probe is the key point of coil array, and the popped one's head in problem of line of coil array is the top priority of coil array design always.
The traditional array induction instrument aratus is because have only folk prescription to outlet, can not satisfy the well logging needs of big hole, high angle hole, and along with the development requirement of thin sand shale anisotropic formation oil gas field, some oil-gas reservoir is underestimated or has been ignored, therefore need the coil-induced logger of three-component to measure more complicated ground environment and well logging environment, and the probe of three-component induction coil during line because all directions are crossed the line signal and are easy to generate interference, influence Detection of Weak Signals.
Summary of the invention
The purpose of this utility model provides a kind of high-precision inductive coil series probe string-passing structure, effectively solves the subregional mutual interference of line signal excessively on coil rack winding and the mandrel, better detects small-signal.
For achieving the above object, the technical solution of the utility model is as follows:
A kind of three-component inductive coil series probe string-passing structure comprises metal mandrel, compound copper pipe, Z coil rack and XY coil flexible board; Metal-cored shaft section is cross structure; Compound copper pipe is enclosed within outside the metal mandrel; The Z coil rack is sleeved on the compound copper pipe, with the compound copper pipe matched in clearance; XY coil flexible board is fastened on the Z coil rack, compound copper pipe and the design of metal-cored axial cross groove opposite position have the copper pipe wire hole of three independent, direction, and the flexible board coil wire hole that designs on the coil rack wire hole that designs on the Z coil rack, the XY coil flexible board is all corresponding with copper pipe wire hole and the cross recess on the metal mandrel on the compound copper pipe.
In technique scheme, there is screw hole at described compound copper pipe two ends, and screw is fixed on compound copper pipe on the metal mandrel.
In technique scheme, described metal mandrel is the slender axles structure, and its material constitutes no magnetic metal material.
In technique scheme, described compound copper pipe external surface is insulation material layer.
In technique scheme, preferred, described compound copper pipe external surface is frp layer.
In technique scheme, described Z coil rack circumferentially comes anti-rotation to fix with the coil sliding pin.
In technique scheme, design has Z coil-winding groove on the described Z coil rack, and the Z coil windings is wrapped on the winding slot.
In technique scheme, design has coil bonding wire post, X, Y, the outlet of Z coil all to be welded on the coil bonding wire post of Z coil rack on the described Z coil rack, and coil bonding wire post is installed in the coil bonding wire post holddown groove.
In technique scheme, described XY coil flexible board is fixed in the flexible board fixed pin holes by the flexible board steady pin.
In technique scheme, also comprise being sleeved on Z coil rack and the outer no magnetic bearing shell of XY coil flexible board, be no magnetic insulation material in the middle of the no magnetic bearing shell.
The metal mandrel adopts cross outlet structure in the utility model, fixing XY coil flexible board on the Z coil rack, all design has corresponding independent wire hole, can realize receiving coil X, Y, the orderly outlet of three directions of Z, guarantee the reasonable line of crossing of three-component induction coil integral body, avoid the big current emission holding wire X that crosstalks, Y, Z coil receiving loop holding wire, make coil array can have better Detection of Weak Signals ability, thereby make three-component coil array probe reliably working, three-component information away from wellbore formation can be provided, the resistivity measurement precision that improves inclined shaft and tilted stratum adopts three resistivity logging tools of this high accuracy can reduce the chance of missing oil-gas Layer, strengthens the understanding to reservoir.
Description of drawings
Fig. 1 is the three-component inductive coil series probe string-passing structure schematic diagram that the utility model embodiment provides;
Fig. 2 is the three-component inductive coil series probe string-passing structure A-A sectional drawing that the utility model embodiment provides;
Fig. 3 is the compound copper pipe structural representation that the utility model embodiment provides;
Fig. 4 is the compound copper pipe structure B-B sectional drawing that the utility model embodiment provides;
Fig. 5 is the Z coil skeleton structure schematic diagram that the utility model embodiment provides;
Fig. 6 is the Z coil skeleton structure A-A sectional drawing that the utility model embodiment provides;
Fig. 7 is the XY coil flexible panel structure schematic diagram that the utility model embodiment provides.
Wherein: 1-no magnetic bearing shell, 2-metal mandrel, 3-compound copper pipe, 4-Z coil rack, 5-XY coil flexible board, 6-flexible board steady pin, 7-coil sliding pin, 8-copper pipe wire hole, 9-coil rack wire hole, 10-coil bonding wire post holddown groove, 11-flexible board fixed pin holes I, 12-flexible board X coil, 13-flexible board coil wire hole, 14-flexible board Y coil, 15-flexible board fixed pin holes II.
The specific embodiment
Below in conjunction with drawings and Examples the technical solution of the utility model is described in detail.
The three-component inductive coil series probe string-passing structure that the utility model provides is made of jointly no magnetic bearing shell 1, metal mandrel 2, compound copper pipe 3, Z coil rack 4, XY coil flexible board 5 etc.
As depicted in figs. 1 and 2, the three-component coil array is selected no magnetic bearing shell 1 for use in the utility model, have enough intensity, reliable sealing and good insulation performance, metal mandrel 2 is according to three-component coil array installation requirement, be designed to the slender axles structure, its cross section is cross structure, is convenient to X, Y, Z three direction coils outlet and transmitting coil outlet subregion separate cabling that coil array receives.
As depicted in figs. 1 and 2, compound copper pipe 3 is enclosed within outside the metal mandrel 2, and there is screw hole at two ends, with screw compound copper pipe 3 is fixed on the metal mandrel 2.The installation site that requires according to array coil, corresponding position on compound copper pipe 3, design has three independently copper pipe wire holes 8 respectively, and the line of being convenient between Z coil rack 4 and the metal mandrel 2 passes through.Compound copper pipe 3 external surfaces are frp layer simultaneously, and Z coil rack 4 is had whole insulation, damping effect.
To shown in Figure 7, Z coil rack 4 is enclosed within on the compound copper pipe 3 as Fig. 1, and the two is matched in clearance.Z coil rack 4 component end faces axial and both sides compress installation, circumferentially come anti-rotation to fix with coil sliding pin 7.Design has Z coil-winding groove on the Z coil rack 4, is used for the coiling of Z coil windings.
Flexible board X coil 12 and flexible board Y coil 14 are the planar rectangular spiral coil, and design is on XY coil flexible board 5.XY coil flexible board 5 is wound into tubular when installing, and is fastened on Z coil rack 4.Require flexible board X coil 12 and flexible board Y coil 14 XY coil flexible board 5 reel fixing after, the distribution that is in orthogonal form of two groups of coils.By 3 flexible board steady pins 6 being respectively installed in flexible board fixed pin holes I11, the flexible board fixed pin holes II 15, can flexible board 5 two ends are precisely spacing on Z coil rack 4, realize flexible board X coil 12 and flexible board Y coil 14 is installed accurately, fixing.
Design has three independently coil rack wire holes 9 on the Z coil rack 4, XY coil flexible board 5 also designs flexible board coil wire hole 13, all corresponding with copper pipe wire hole 8 and the subregion cross recess on the metal mandrel on the compound copper pipe 3, realize the independent lead-in wire of three-component receiving coil X, Y, three directions of Z rationally, easily, can avoid causing because outlet is unreasonable the signal interference phenomenon.Design has coil bonding wire post holddown groove 10 on the Z coil rack 4, can place the bonding wire post in the holddown groove, and the independence lead-in wire of receiving coil X, Y, three directions of Z finally all is welded on the bonding wire post of terminal holddown groove 10.
Make and metal mandrel 2 is used in combination by non-metal insulating material by twining on the copper pipe body for compound copper pipe 3, can effectively solve the subregional mutual interference of line signal excessively on coil rack winding and the mandrel; The insulation materials of compound copper pipe 3 has whole insulation, damping effect to the array lines ring framework simultaneously.No magnetic bearing shell 1 is sleeved on outside the XY coil flexible board, and middle is no magnetic insulation material, and it has enough intensity, reliable sealing and good insulation performance.
It should be noted last that, the above specific embodiment is only unrestricted in order to the technical solution of the utility model to be described, although with reference to example the utility model is had been described in detail, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement the technical solution of the utility model, and not breaking away from the spirit and scope of technical solutions of the utility model, it all should be encompassed in the middle of the claim scope of the present utility model.
Claims (10)
1. a three-component inductive coil series probe string-passing structure is characterized in that: comprise metal mandrel, compound copper pipe, Z coil rack and XY coil flexible board; Metal-cored shaft section is cross structure; Compound copper pipe is enclosed within outside the metal mandrel; The Z coil rack is sleeved on the compound copper pipe, with the compound copper pipe matched in clearance; XY coil flexible board is fastened on the Z coil rack, compound copper pipe and the design of metal-cored axial cross groove opposite position have the copper pipe wire hole of three independent, direction, and the flexible board coil wire hole that designs on the coil rack wire hole that designs on the Z coil rack, the XY coil flexible board is all corresponding with copper pipe wire hole and the cross recess on the metal mandrel on the compound copper pipe.
2. three-component inductive coil series as claimed in claim 1 probe string-passing structure, it is characterized in that: there is screw hole at described compound copper pipe two ends, and screw is fixed on compound copper pipe on the metal mandrel.
3. three-component inductive coil series according to claim 1 probe string-passing structure, it is characterized in that: described metal mandrel is the slender axles structure, its material constitutes no magnetic metal material.
4. three-component inductive coil series according to claim 1 probe string-passing structure, it is characterized in that: described compound copper pipe external surface is insulation material layer.
5. three-component inductive coil series according to claim 4 probe string-passing structure, it is characterized in that: described compound copper pipe external surface is frp layer.
6. three-component inductive coil series according to claim 1 probe string-passing structure, it is characterized in that: described Z coil rack circumferentially comes anti-rotation to fix by the coil sliding pin.
7. three-component inductive coil series according to claim 1 probe string-passing structure, it is characterized in that: design has Z coil-winding groove on the described Z coil rack, and the Z coil windings is wrapped on the winding slot.
8. three-component inductive coil series according to claim 1 probe string-passing structure, it is characterized in that: design has coil bonding wire post on the described Z coil rack, X, Y, the outlet of Z coil all are welded on the coil bonding wire post of Z coil rack, and coil bonding wire post is installed in the coil bonding wire post holddown groove.
9. three-component inductive coil series according to claim 1 probe string-passing structure, it is characterized in that: described XY coil flexible board is fixed in the flexible board fixed pin holes by the flexible board steady pin.
10. three-component inductive coil series probe string-passing structure according to claim 1 is characterized in that: also comprise being sleeved on Z coil rack and the outer no magnetic bearing shell of XY coil flexible board, be no magnetic insulation material in the middle of the described no magnetic bearing shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320085464 CN203175539U (en) | 2013-02-25 | 2013-02-25 | Three-component induction coil array probe line routing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320085464 CN203175539U (en) | 2013-02-25 | 2013-02-25 | Three-component induction coil array probe line routing structure |
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| Publication Number | Publication Date |
|---|---|
| CN203175539U true CN203175539U (en) | 2013-09-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320085464 Expired - Fee Related CN203175539U (en) | 2013-02-25 | 2013-02-25 | Three-component induction coil array probe line routing structure |
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| CN (1) | CN203175539U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103132987A (en) * | 2013-02-25 | 2013-06-05 | 中国石油天然气集团公司 | Probe thread guide structure of three-component induction coil array |
-
2013
- 2013-02-25 CN CN 201320085464 patent/CN203175539U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103132987A (en) * | 2013-02-25 | 2013-06-05 | 中国石油天然气集团公司 | Probe thread guide structure of three-component induction coil array |
| CN103132987B (en) * | 2013-02-25 | 2015-09-09 | 中国石油天然气集团公司 | A kind of three-component inductive coil series probe string-passing structure |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130904 |