CN103132987B - A kind of three-component inductive coil series probe string-passing structure - Google Patents
A kind of three-component inductive coil series probe string-passing structure Download PDFInfo
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- CN103132987B CN103132987B CN201310059086.0A CN201310059086A CN103132987B CN 103132987 B CN103132987 B CN 103132987B CN 201310059086 A CN201310059086 A CN 201310059086A CN 103132987 B CN103132987 B CN 103132987B
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Abstract
The present invention relates to a kind of three-component inductive coil series probe string-passing structure, comprise metal core axle, compound copper pipe, Z coil rack, XY coil flexible board, metal core axle cross section is cross-shaped configuration; Compound copper pipe is enclosed within outside metal core axle; Z coil rack is arranged on compound copper pipe; XY coil flexible board is fastened on Z coil rack, compound copper pipe and metal core axle cross recess opposite position are designed with the copper pipe wire hole of three independent, direction, and the flexible board Wire Hole that the coil rack wire hole that Z coil rack designs, XY coil flexible board design is all corresponding with the copper pipe wire hole on compound copper pipe and the cross recess on metal core axle.Effectively can solve the subregional interference that line signal is mutual excessively on coil rack winding and mandrel.
Description
Technical field
The present invention relates to oil well logging field, be specifically related to a kind ofly respond to the relevant probe string-passing structure of oil well logging instrument to three-component.
Background technology
Three-component inductive coil series is the chief component of multicomponent induction logging tool device, 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.
Traditional array induction instrument aratus is because only have one direction outlet, the well logging needs of big hole, high angle hole can not be met, and along with the development requirement of thin sand shale anisotropic formation oil gas field, some oil-gas reservoir is underestimated or is ignored, therefore the coil-induced logger of three-component is needed to measure more complicated ground environment and logging environment, and the probe of three-component induction coil line time easily produce interference because all directions cross line signal, affect Detection of Weak Signals.
Summary of the invention
The object of this invention is to provide a kind of high-precision inductive coil series probe string-passing structure, effectively solve the subregional interference that line signal is mutual excessively on coil rack winding and mandrel, better detect small-signal.
For achieving the above object, technical scheme of the present invention is as follows:
A kind of three-component inductive coil series probe string-passing structure, comprises metal core axle, compound copper pipe, Z coil rack and XY coil flexible board; Metal core axle cross section is cross-shaped configuration; Compound copper pipe is enclosed within outside metal core axle; Z coil rack is sleeved on compound copper pipe, with compound copper pipe matched in clearance; XY coil flexible board is fastened on Z coil rack, compound copper pipe and metal core axle cross recess opposite position are designed with the copper pipe wire hole of three independent, direction, and the flexible board Wire Hole that the coil rack wire hole that Z coil rack designs, XY coil flexible board design is all corresponding with the copper pipe wire hole on compound copper pipe and the cross recess on metal core axle.
In technique scheme, there is screw hole at described compound copper pipe two ends, and compound copper pipe is fixed on metal core axle by screw.
In technique scheme, described metal core axle is slender axles structure, and its material is configured to without magnetic metal material.
In technique scheme, described compound copper pipe external surface is insulation material layer.
In technique scheme, preferably, described compound copper pipe external surface is frp layer.
In technique scheme, described Z coil rack circumference coil sliding pin carrys out anti-rotation to be fixed.
In technique scheme, described Z coil rack is designed with Z coil-winding groove, Z coil winding wound is on winding slot.
In technique scheme, described Z coil rack is designed with coil bonding wire post, the outlet of X, Y, Z coil is all welded on the coil bonding wire post of Z coil rack, and coil bonding wire post is arranged in coil bonding wire post holddown groove.
In technique scheme, described XY coil flexible board is fixed in flexible board fixed pin holes by flexible board steady pin.
In technique scheme, also comprise be sleeved on outside Z coil rack and XY coil flexible board without magnetic bearing shell, without being without magnetic dielectric in the middle of magnetic bearing shell.
In the present invention, metal core axle adopts cross outlet structure, Z coil rack is fixed XY coil flexible board, all be designed with corresponding independent wire hole, receiving coil X can be realized, Y, the orderly outlet in Z tri-directions, ensure that the reasonable of three-component induction coil entirety crosses line, big current is avoided to transmit line crosstalk X, Y, Z coil receiving loop holding wire, coil array is enable to have better Detection of Weak Signals ability, thus make three-component coil array probe reliably working, three-component information away from wellbore formation can be provided, the resistivity measurement precision improving inclined shaft and tilted stratum adopts this high accuracy three axle resistivity logging tool can reduce the chance missing oil-gas Layer, strengthen the understanding to reservoir.
Accompanying drawing explanation
Fig. 1 is the three-component inductive coil series probe string-passing structure schematic diagram that the embodiment of the present invention provides;
Fig. 2 is the three-component inductive coil series probe string-passing structure A-A sectional drawing that the embodiment of the present invention provides;
Fig. 3 is the compound copper pipe structural representation that the embodiment of the present invention provides;
Fig. 4 is the compound copper pipe structure B-B sectional drawing that the embodiment of the present invention provides;
Fig. 5 is the Z coil skeleton structure schematic diagram that the embodiment of the present invention provides;
Fig. 6 is the Z coil skeleton structure A-A sectional drawing that the embodiment of the present invention provides;
Fig. 7 is the XY coil flexible panel structure schematic diagram that the embodiment of the present invention provides.
Wherein: 1-without magnetic bearing shell, 2-metal core axle, 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-ray circle, 13-flexible board Wire Hole, 14-flexible board Y coil, 15-flexible board fixed pin holes II.
Detailed description of the invention
Below in conjunction with drawings and Examples, technical scheme of the present invention is described in detail.
Three-component inductive coil series probe string-passing structure provided by the invention forms jointly by without magnetic bearing shell 1, metal core axle 2, compound copper pipe 3, Z coil rack 4, XY coil flexible board 5 etc.
As depicted in figs. 1 and 2, in the present invention, three-component coil array is selected without magnetic bearing shell 1, there is enough intensity, reliably sealing and good insulating properties, metal core axle 2 is according to three-component coil array installation requirement, be designed to slender axles structure, its cross section is cross-shaped configuration, is convenient to X, Y, Z tri-directional coils outlets and the transmitting coil outlet subregion separate cabling of coil array reception.
As depicted in figs. 1 and 2, compound copper pipe 3 is enclosed within outside metal core axle 2, and there is screw hole at two ends, is fixed on metal core axle 2 by compound copper pipe 3 with screw.According to the installation site that array coil requires, position corresponding on compound copper pipe 3, be designed with three independently copper pipe wire holes 8 respectively, the line be convenient between Z coil rack 4 and metal core axle 2 passes through.Compound copper pipe 3 external surface is frp layer simultaneously, has overall insulation, damping effect to Z coil rack 4.
As shown in Figures 1 to 7, Z coil rack 4 is enclosed within compound copper pipe 3, and the two is matched in clearance.Z coil rack 4 axially compresses with the component end face on both sides and installs, and circumference coil sliding pin 7 carrys out anti-rotation to be fixed.Z coil rack 4 is designed with Z coil-winding groove, for the coiling of Z coil windings.
Flexible board x-ray circle 12 and flexible board Y coil 14 are planar rectangular spiral coil, design 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 that flexible board x-ray circle 12 and flexible board Y coil 14 are after XY coil flexible board 5 winding is fixing, two groups of coils are in orthogonal form distribution.By 3 flexible board steady pins 6 are respectively installed in flexible board fixed pin holes I11, flexible board fixed pin holes II 15, can be precisely spacing on Z coil rack 4 by flexible board 5 two ends, realize flexible board x-ray circle 12 and flexible board Y coil 14 is installed accurately, fixing.
Z coil rack 4 is designed with three independently coil rack wire holes 9, XY coil flexible board 5 is also designed with flexible board Wire Hole 13, all corresponding with the copper pipe wire hole 8 on compound copper pipe 3 and the subregion cross recess on metal core axle, realize the individual leads in three-component receiving coil X, Y, Z tri-directions rationally, easily, can avoid causing signal disturbing phenomenon because outlet is unreasonable.Z coil rack 4 is designed with coil bonding wire post holddown groove 10, can places bonding wire post in holddown groove, the individual leads in receiving coil X, Y, Z tri-directions is finally all welded on the bonding wire post of terminal holddown groove 10.
In the present invention, metal core axle 2 adopts cross outlet structure, Z coil rack 4 is fixed XY coil flexible board 5, all be designed with corresponding independent wire hole, receiving coil X can be realized, Y, the orderly outlet in Z tri-directions, ensure that the reasonable of three-component induction coil entirety crosses line, big current is avoided to transmit line crosstalk X, Y, Z coil receiving loop holding wire, coil array is enable to have better Detection of Weak Signals ability, thus make three-component coil array probe reliably working, three-component information away from wellbore formation can be provided, improve the resistivity measurement precision of inclined shaft and tilted stratum, adopt this high accuracy three axle resistivity logging tool can reduce the chance missing oil-gas Layer, strengthen the understanding to reservoir.
Compound copper pipe 3 is made by copper pipe body is wound around non-metal insulating material, and metal core axle 2 is combined, and effectively can solve the subregional interference that line signal is mutual excessively on coil rack winding and mandrel; The insulation materials pair array coil rack of compound copper pipe 3 has overall insulation, damping effect simultaneously.Be sleeved on outside XY coil flexible board without magnetic bearing shell 1, centre is without magnetic dielectric, and it has enough intensity, reliably sealing and good insulating properties.
It should be noted last that, above detailed description of the invention is only in order to illustrate technical scheme of the present invention and unrestricted, although with reference to example to invention has been detailed description, those of ordinary skill in the art is to be understood that, can modify to technical scheme of the present invention or equivalent replacement, and not departing from the spirit and scope of technical solution of the present invention, it all should be encompassed in the middle of right of the present invention.
Claims (8)
1. a three-component inductive coil series probe string-passing structure, is characterized in that: comprise metal core axle, compound copper pipe, Z coil rack and XY coil flexible board; Metal core axle cross section is cross-shaped configuration; Compound copper pipe is enclosed within outside metal core axle; Z coil rack is sleeved on compound copper pipe, with compound copper pipe matched in clearance; XY coil flexible board is fastened on Z coil rack, compound copper pipe and metal core axle cross recess opposite position are designed with the copper pipe wire hole of three independent, direction, and the flexible board Wire Hole that the coil rack wire hole that Z coil rack designs, XY coil flexible board design is all corresponding with the copper pipe wire hole on compound copper pipe and the cross recess on metal core axle; Described Z coil rack is designed with Z coil-winding groove, Z coil winding wound is on winding slot; Described Z coil rack is designed with coil bonding wire post, the outlet of X, Y, Z coil is all welded on the coil bonding wire post of Z coil rack, and coil bonding wire post is arranged in coil bonding wire post holddown groove.
2. three-component inductive coil series probe string-passing structure as claimed in claim 1, is characterized in that: there is screw hole at described compound copper pipe two ends, and compound copper pipe is fixed on metal core axle by screw.
3. three-component inductive coil series probe string-passing structure according to claim 1, is characterized in that: described metal core axle is slender axles structure, and its material is configured to without magnetic metal material.
4. three-component inductive coil series probe string-passing structure according to claim 1, is characterized in that: described compound copper pipe external surface is insulation material layer.
5. three-component inductive coil series probe string-passing structure according to claim 4, is characterized in that: described compound copper pipe external surface is frp layer.
6. three-component inductive coil series probe string-passing structure according to claim 1, is characterized in that: described Z coil rack circumference is carried out anti-rotation by coil sliding pin and fixed.
7. three-component inductive coil series probe string-passing structure according to claim 1, is characterized in that: described XY coil flexible board is fixed in flexible board fixed pin holes by flexible board steady pin.
8. three-component inductive coil series according to claim 1 probe string-passing structure, is characterized in that: also comprise be sleeved on outside Z coil rack and XY coil flexible board without magnetic bearing shell, described is without magnetic dielectric without magnetic bearing shell centre.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310059086.0A CN103132987B (en) | 2013-02-25 | 2013-02-25 | A kind of three-component inductive coil series probe string-passing structure |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310059086.0A CN103132987B (en) | 2013-02-25 | 2013-02-25 | A kind of three-component inductive coil series probe string-passing structure |
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| CN103132987A CN103132987A (en) | 2013-06-05 |
| CN103132987B true CN103132987B (en) | 2015-09-09 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104733863B (en) * | 2015-02-09 | 2017-12-05 | 中国石油天然气集团公司 | Electromagnetic tool transmitter and its transmitting antenna between a kind of well |
| CN108150150B (en) * | 2017-12-21 | 2024-04-16 | 中国电子科技集团公司第二十二研究所 | Logging instrument |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0071172A2 (en) * | 1981-07-24 | 1983-02-09 | Honeywell Inc. | High voltage ignition transformer |
| CN1182302A (en) * | 1997-07-07 | 1998-05-20 | 中国航天工业总公司 | Efficient multiple-state electric motor |
| TW200913438A (en) * | 2007-09-13 | 2009-03-16 | Metal Ind Res & Dev Ct | Slot-less windings applied to rotating electronic devices and the manufacturing method thereof |
| CN201671625U (en) * | 2010-05-12 | 2010-12-15 | 中国石油天然气集团公司 | Inductive probe with inductive coil array structure |
| CN201908644U (en) * | 2010-10-19 | 2011-07-27 | 吕爱英 | Optimized short-array induction logger |
| CN203175539U (en) * | 2013-02-25 | 2013-09-04 | 中国石油天然气集团公司 | Three-component induction coil array probe line routing structure |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8018314B2 (en) * | 2008-09-18 | 2011-09-13 | Silitek Electronic (Guangzhou) Co., Ltd. | Center-tapped transformer |
-
2013
- 2013-02-25 CN CN201310059086.0A patent/CN103132987B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0071172A2 (en) * | 1981-07-24 | 1983-02-09 | Honeywell Inc. | High voltage ignition transformer |
| CN1182302A (en) * | 1997-07-07 | 1998-05-20 | 中国航天工业总公司 | Efficient multiple-state electric motor |
| TW200913438A (en) * | 2007-09-13 | 2009-03-16 | Metal Ind Res & Dev Ct | Slot-less windings applied to rotating electronic devices and the manufacturing method thereof |
| CN201671625U (en) * | 2010-05-12 | 2010-12-15 | 中国石油天然气集团公司 | Inductive probe with inductive coil array structure |
| CN201908644U (en) * | 2010-10-19 | 2011-07-27 | 吕爱英 | Optimized short-array induction logger |
| CN203175539U (en) * | 2013-02-25 | 2013-09-04 | 中国石油天然气集团公司 | Three-component induction coil array probe line routing structure |
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