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EP2947959B1 - Inducteur - Google Patents

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Publication number
EP2947959B1
EP2947959B1 EP14169412.5A EP14169412A EP2947959B1 EP 2947959 B1 EP2947959 B1 EP 2947959B1 EP 14169412 A EP14169412 A EP 14169412A EP 2947959 B1 EP2947959 B1 EP 2947959B1
Authority
EP
European Patent Office
Prior art keywords
conductor
inductor
interruption
sleeve
point
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.)
Not-in-force
Application number
EP14169412.5A
Other languages
German (de)
English (en)
Other versions
EP2947959A1 (fr
Inventor
Dirk Diehl
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens AG
Wintershall Dea GmbH
Original Assignee
Siemens AG
Wintershall Holding GmbH
Siemens Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Siemens AG, Wintershall Holding GmbH, Siemens Corp filed Critical Siemens AG
Priority to EP14169412.5A priority Critical patent/EP2947959B1/fr
Priority to PCT/EP2015/058810 priority patent/WO2015176909A1/fr
Priority to ARP150101586A priority patent/AR100548A1/es
Publication of EP2947959A1 publication Critical patent/EP2947959A1/fr
Application granted granted Critical
Publication of EP2947959B1 publication Critical patent/EP2947959B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00—Heating by electric, magnetic or electromagnetic fields
    • H05B6/02—Induction heating
    • H05B6/10—Induction heating apparatus, other than furnaces, for specific applications
    • H05B6/105—Induction heating apparatus, other than furnaces, for specific applications using a susceptor
    • H05B6/108—Induction heating apparatus, other than furnaces, for specific applications using a susceptor for heating a fluid
    • 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
    • E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
    • E21B43/16—Enhanced recovery methods for obtaining hydrocarbons
    • E21B43/24—Enhanced recovery methods for obtaining hydrocarbons using heat, e.g. steam injection
    • E21B43/2401—Enhanced recovery methods for obtaining hydrocarbons using heat, e.g. steam injection by means of electricity
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B2214/00—Aspects relating to resistive heating, induction heating and heating using microwaves, covered by groups H05B3/00, H05B6/00
    • H05B2214/03—Heating of hydrocarbons

Definitions

  • the invention relates to an inductor according to the preamble of claim 1, and a manufacturing method according to the preamble of claim 15th
  • hydrocarbons from an underground reservoir for example, to promote heavy oils or bitumen from oil sands or oil shale deposits, it is necessary to achieve the greatest possible flowability of the hydrocarbons to be pumped.
  • One way to improve the fluidity of hydrocarbons in their production is to increase the temperature prevailing in the reservoir.
  • An applied method for increasing the temperature of the deposit is inductive heating by means of an inductor, which is introduced into the deposit, that is, into the soil.
  • an inductor By means of the inductor eddy currents are induced in electrically conductive deposits (reservoir), which heat the deposit, so that there is thus an improvement in the flowability of the hydrocarbons present in the deposit.
  • a compensation of the inductive voltage drop is, as in the patent DE 10 2007 040 605 described, for example, by capacitors connected in series allows (reactive power compensation).
  • the current-carrying conductors of the inductor are interrupted to form the capacitors and thus have a plurality of interruption points.
  • a disadvantage of the series connection of capacitors is that the point of interruption form weak points of the inductor. Partial discharges occur at the points of interruption, which can lead to the partial or complete destruction of the inductor. Due to the inaccessibility of a deeply introduced into the deposit inductor are particularly high demands on the reliability of the inductor to make. In particular, a continuous and maintenance-free operation over ten to twenty years is desired. In case of failure of a capacitor of the inductor due to the series connection of the capacitors, the entire inductor is inoperative.
  • the present invention has for its object to improve the reliability of an inductor.
  • the inductor according to the invention for the inductive heating of oil sand, oil shale or heavy oil deposits comprises at least one conductor, which conductor has at least one point of interruption, according to the invention two end portions of the conductor are connected at the point of interruption by means of an electrically conductive connecting element and the Connecting element has a resistivity of at least 10 ⁇ m and at most 10 10 ⁇ m.
  • the inductor according to the invention may comprise a plurality of conductors, wherein at least one conductor of the conductors has an interruption point with two end regions, which end regions are connected by means of an electrically low-conductivity connecting element.
  • an element or material is referred to herein as having low electrical conductivity if the element or material has a resistivity in the range of 10 ⁇ m to 10 10 ⁇ m, more preferably in the range of 10 2 ⁇ m to 10 5 ⁇ m. Furthermore, a specific resistance in the range of 10 2 ⁇ m to 10 3 ⁇ m is provided.
  • the connecting element has a specific resistance of at least 10 ⁇ m and at most 10 10 ⁇ m, preferably of at least 10 2 ⁇ m and at most 10 5 ⁇ m. Particularly preferably, all conductors of the inductor have a low-conductive point of interruption according to claim 1.
  • the invention is increased by the electrically low-conductivity connecting element, the partial discharge resistance of the conductor at the point of interruption, whereby the reliability of the inductor is improved.
  • Due to the low electrical conductivity of the connecting element advantageously field strength increase (increase in the electric field strength) at the point of interruption, especially at ridges or sharp (cut) edges, reduced or mitigated.
  • the inventive method for producing an inductor for inductive heating of oil sand, oil shale or heavy oil deposits at least one conductor is provided and at least one point of interruption of the conductor is created by severing the conductor, whereby two end regions of the conductor form at the point of interruption. Furthermore, according to the invention, the two end regions of the conductor are connected at the point of interruption by means of an application of an electrically conductive substance, the electrically conductive substance having a specific resistance of at least 10 ⁇ m and at most 10 ⁇ m.
  • an electrically low-conductivity connecting element is produced between the two end regions of the conductor at the point of interruption, wherein the connecting element is formed by means of the electrically low-conductivity substance.
  • the connecting element electrically couples the two end regions of the conductor.
  • the electrically conductive substance may preferably be applied by means of a spraying method, casting method and / or extrusion method.
  • the low-conductivity substance comprises a material from the substance group of thermoelastic plastics.
  • plastics which fillers or fibers of graphite, carbon black, carbon or other materials, such as PEEK CF30, may be provided.
  • the connecting element has a specific resistance of at least 10 2 ⁇ m and at most 10 5 ⁇ m.
  • the partial discharge resistance is advantageously further increased, so that the reliability of the inductor is further improved.
  • the connecting element is designed as a first sleeve, wherein in each case at least a part of the two end regions of the conductor is enclosed by the first sleeve.
  • the electrically low-conductive first sleeve (inner sleeve) is used for the mechanical, non-positive connection of the two ends or end portions of the conductor, wherein the ends are formed by the point of interruption of the conductor.
  • a first sleeve is provided, the outer diameter is substantially larger than the diameter of the cross section of the conductor.
  • a second sleeve is provided, wherein the second sleeve is electrically insulating and enclosing the first sleeve.
  • this protects the first sleeve and also ensures the mechanical stability of the conductor.
  • the first sleeve can be mechanically relieved by means of the second sleeve, so that in the shape design and electrical design of the first sleeve, the electrical action, that is, the increase of the partial discharge resistance, is preferred.
  • the mechanical stability is then ensured mainly by the second sleeve.
  • the second sleeve is electrically non-conductive, that is, an insulator.
  • a sleeve in the present case is a connecting element and in particular also protective elements.
  • the first and / or second sleeve is preferably fixedly connected to the inserted conductor and encloses the point of interruption.
  • Configurable embodiments of the first and / or second sleeve as G demharzmuffen, Gelmuffen, injection sleeves, shrink sleeves - heat shrink - or Kaltschrumpfmuffen.
  • a second sleeve which encloses the first sleeve, and at least a portion of an insulation of the conductor. If there is insulation of the conductor on both parts of the conductor, wherein said parts of the conductor are formed by the point of interruption, so the insulation of the two parts of the conductor are preferably enclosed by the second sleeve.
  • the connecting element is designed as a first conductor casing, wherein the first conductor casing encloses the two end regions of the conductor in the region of the point of interruption.
  • manufacturing methods for conductor sheathings known from the prior art can be used for the production of the connection element.
  • the conductor has a second conductor casing, the second conductor casing enclosing the first conductor casing at least in the region of the point of interruption.
  • a second conductor sheath is provided, which is electrically insulating.
  • the insulation of the conductor is formed by the second conductor casing. Consequently, the conductor is enclosed by a two-layer casing, wherein the first inner layer directly adjacent to the conductor is formed by the first conductor casing, that is to say by the electrically low-conductivity connection element is.
  • the second layer is formed by the second, outer conductor sheath. It serves for the electrical and mechanical insulation and for the protection of the conductor and the first conductor sheath.
  • this further improves and simplifies the production of the inductor or of the conductor.
  • a spacer is arranged between the two end regions of the conductor.
  • a spacer arranged between the two end regions is particularly preferred when the connecting element is designed as a first conductor casing.
  • a continuous production process for the inductor or for a conductor of the inductor, for example by means of extrusion, is made possible by the spacer within the point of interruption.
  • an electrically insulating or electrically low-conductive spacer is provided.
  • the spacer may comprise or be integral with the same materials as the connector.
  • the connecting element is additionally used as a spacer.
  • the connecting element is integrally formed.
  • the spacer is enclosed by the connecting element.
  • the spacer is enclosed by a connecting element, which is designed as a first conductor casing.
  • a connecting element which is designed as a first conductor casing.
  • At least one end region is formed unduloid-like.
  • both end portions of the conductor are formed unduloid at the point of interruption.
  • the first sleeve (connecting element) or the first conductor sheath (connecting element) is hindered or prevented.
  • the partial discharge strength of the conductor at the point of interruption at ends of the conductor which form through the point of interruption is increased.
  • the prevention of the displacement of the connecting element avoids the formation of gas or air inclusions, with the gas or air inclusions occurring, for example due to the mechanical tensile load during cable production - stranding, rewinding and others.
  • the reliability of the connecting element and consequently the reliability of the entire inductor is improved.
  • Another particular advantage of the unduloidally shaped end region of the conductor at the point of interruption is that sharp edges which lead to a field strength increase (increase in the electric field strength) at the point of interruption are avoided by means of the unduloid-type design.
  • the reliability of the inductor is further improved.
  • the advantageous unduloidal configuration of the end region of the conductor at the point of interruption ensures both electrical and mechanical stability. Due to the advantageous and synergetic combination of electrical and mechanical stability, which by means of the unduloid-like design of the end is achieved, the overall partial discharge resistance at the point of interruption of the conductor is increased, so that the reliability of the inductor is improved.
  • the end of the unduloid end regions is hemispherical in shape.
  • the ends of the unduloid-type end regions sharp edges or corners, which may arise during the production of the point of interruption, are advantageously avoided, for example by cutting through the conductor with a cutting tool.
  • the semispherical shaped ends of the unduloid end portions of the conductor further improve the partial discharge strength at the point of interruption of the conductor. This is the case because the hemispherical smooth formation of the ends prevents field strength peaks, such as occur in edged shapes.
  • the unduloid-like formation of the end region or of the end regions is made possible.
  • a bulge of the conductor which, with respect to its radius or diameter, exceeds the original radius or diameter of the cross-section of the conductor.
  • the alternating sequence of the bulges and constrictions of the conductor advantageously a displacement of the conductor within the first sleeve or the first conductor sheath is hindered or blocked.
  • the rounded configuration of the unduloid end portions reduces field strength peaks at the ends of the end portions, so that the partial discharge strength at the point of interruption and hence the reliability of the inductor are improved.
  • the at least one unduloid-like end region is enclosed by the connecting element, in particular by the first sleeve or the first conductor casing.
  • the conductor forms a conductor of a multifilament conductor.
  • all conductors of the multifilament conductor have an electrically low-conducting point of interruption according to claim 1.
  • the filaments of the multifilament conductor are formed by the plurality of conductors.
  • a multifilament conductor comprises a plurality of at least 10 and at most 5000 conductors. As a result, the heating power of the inductor is advantageously increased.
  • an inductor is advantageously formed whose individual conductors are capacitively coupled to each other. Due to the series connection of the capacitors, which is formed by the capacitively coupled conductors, the reactive power of the inductor is advantageously reduced and / or approximately compensated in the case of resonance.
  • inductor of a plurality of conductors, wherein the conductors extend in parallel along the longitudinal axis of the inductor.
  • an approximately constant capacitance between the conductors is made possible by the parallel course of the conductors, so that there is a uniform and equally distributed load on the conductors of the inductor.
  • the conductors form an interlaced and / or stranded structure which extends along the longitudinal axis of the inductor.
  • a cable arrangement of the conductors of the inductor is advantageously made possible, which is mechanically stabilized by an entanglement and / or stranding on the one hand and on the other hand is particularly suitable for the formation of capacitances between the individual conductors.
  • FIG. 1 shows a sectional view of a portion of a conductor 2 of an inductor 1, wherein the conductor 2 extends along a longitudinal axis A.
  • a single wire or a strand can be provided, wherein the conductor 2 comprises an electrically highly conductive material, such as copper and / or aluminum. If the conductor 2 is designed as a strand, the high-frequency resistance of the inductor 1 or of the conductor 2 is advantageously reduced.
  • at least one further conductor (not shown) running parallel to the conductor 2 is provided. In this case, the further conductor may have an offset point offset from the conductor 2, the offset continuing periodically and corresponding to the resonance length. Preference is given to a further conductor, which is designed like the illustrated conductor 2.
  • the conductor 2 also has an interruption point 4 to form the capacitances. Due to the formation of the interruption point 4, the conductor 2 has two end regions 6. Outside the end regions 6, the conductor 2 is enclosed by an electrically insulating outer jacket 14 (second conductor jacket).
  • an electrically insulating outer jacket 14 high-temperature resistant plastics, such as PFA, PTFE, PEEK or combination of said plastics are provided.
  • An outer sheath 14 comprising a plurality of layers may be provided. In particular, each layer of a multilayer outer sheath 14 may be made of a different material.
  • the exposed, that is, not enclosed by the electrically insulating outer sheath 14 Endereiche 6 are electrically coupled or connected by means of an electrically low-conductivity connecting element 8.
  • An element or material is referred to herein as having low electrical conductivity if the element or material has a resistivity in the range of 10 ⁇ m to 10 10 ⁇ m. Especially a range from 10 2 ⁇ m to 10 5 ⁇ m or from 10 2 ⁇ m to 10 3 ⁇ m is preferred.
  • the electrically low-conductivity connecting element 8 as a first sleeve 8, that is, as an (inner) inner sleeve 8 is formed.
  • the first sleeve 8 surrounds the two end regions 6 of the conductor 2 at the point of interruption 8.
  • the two end regions 6 of the conductor 2 are electrically coupled or connected.
  • the partial discharge resistance of the inductor 1 or of the conductor 2 at the point of interruption 4 is advantageously improved.
  • the first sleeve 6 can serve as a fixation for the two end regions 6 of the conductor. In this case, it is advantageously prevented by the first sleeve 6 that the end regions 6 (conductor ends) touch an inner wall of an injection mold during injection of the second sleeve 10. As a result, an approximately constant layer thickness of the second sleeve 10 is ensured.
  • FIG. 2 shows an inductor 1 according to FIG. 1 , whereas contrary to FIG. 1 two end portions 6 of the conductor 2 are formed unduloid-like. This shows FIG. 2 the same elements as already FIG. 1 ,
  • the conductor 2 has the two end regions 6, which are each formed in an unduloid manner.
  • the unduloid-like configuration of the end regions 6 is formed by means of a sequence of constrictions and bulges of the cross section of the conductor 2.
  • the cross section of the conductor 2 extends perpendicular to the longitudinal axis A of the conductor 2 and is formed approximately circular.
  • the functional shape of the bulges and constrictions can be adapted to the purpose. For example, a cosine or sinusoidal profile curve of the unduloid end region 6 intended. The profile curve results from a longitudinal section of the conductor 2 along the longitudinal axis A in the end regions 6.
  • the unduloid end portions 6 are hemispherical in shape at their respective ends.
  • the hemispherical configuration or formation of the ends avoids field strength peaks at the ends and consequently at the point of interruption, thereby increasing the partial discharge strength at the point of interruption.
  • the bulges of the unduloid end regions have a radius in cross section corresponding to the radius of an original cross section of the conductor 2.
  • an average cross section outside the end regions 6 is to be understood as the original cross section of the conductor.
  • the bulges only form buckling of the conductor 2 with respect to the constrictions FIG. 2
  • the unduloid end regions 6 of the conductor 2 each have three bulges and three constrictions.
  • a conductor 2 is surrounded by the first and second sleeve 8, 10, wherein said sleeves 8, 10 enclose the conductor 2 in the region of the point of interruption 4. Due to the unduloid end regions 6 of the conductor 2 at the point of interruption 4, the field strength peaks and consequently the partial discharges at the point of interruption 4 are reduced so that the first sleeve 8 at the point of interruption 4 relieves firstly by reducing the partial discharges and secondly mechanically through the sequence of bulges and constrictions of the end portions 6 is fixed non-positively. A positive and positive fixation can be provided. Consequently, the unduloidal design of the end regions 6 enables a synergistic and advantageous combination of mechanical and electrical strength of the first sleeve 6 at the point of interruption 4 of the conductor 2.
  • the second sleeve 10 in turn encloses an insulating outer jacket 14, so that essentially the second sleeve 10 serves for mechanical stabilization and mechanical relief of the first sleeve 8.
  • FIG. 3 shows a sectional view of a portion of a conductor 2 of an inductor 1, wherein the conductor 2 has at least one point of interruption 4 and two end portions 6 of the conductor are electrically coupled at the point of interruption 4 by means of a first conductor sheath 9.
  • the first conductor sheath 9 is provided as a connecting element of the two end regions 6.
  • the connecting element is designed as a first conductor sheath 9.
  • a spacer 16 is arranged between the two end regions 6, which mechanically fixes the end regions 6 and keeps them at a distance.
  • an axial length (parallel to the longitudinal axis A) of the spacer 16 in the range of 10 mm to 500 mm, particularly preferably in the range of 10 mm to 50 mm is provided.
  • the end regions 6 in this case extend approximately along the entire conductor 2, since approximately the entire conductor 2 is enclosed by the first, electrically low-conductive conductor casing 9.
  • the conductor 2 has according to FIG. 3 a two-layer sheath on.
  • a first, directly adjacent to the conductor 2 layer 9 is formed by the first, electrically low-conductive conductor casing 9 (connecting element).
  • a second, outer layer 14 encloses the first layer 9 and is formed by means of a second conductor sheath 14, wherein the second conductor sheath 14 forms an outer end of the conductor 2.
  • an electrically insulating second conductor casing 14 is provided in particular.
  • FIG. 3 illustrated embodiment of the connecting element as the first conductor sheath 9 known manufacturing process, in particular extrusion process be used for the preparation of the conductor 2 and the inductor 1.

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  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Electromagnetism (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Coils Or Transformers For Communication (AREA)
  • General Induction Heating (AREA)

Claims (16)

  1. Inducteur (1) pour le chauffage par induction de gisements de sable pétrolifère, de schiste bitumineux ou d'huile lourde, comprenant au moins un conducteur (2), lequel conducteur (2) a au moins un point (4) d'interruption, caractérisé en ce que deux parties (6) d'extrémité du conducteur (2) sont reliées au point (4) d'interruption au moyen d'un élément (8, 9) de liaison conducteur de l'électricité, l'élément (8, 9) de liaison ayant une résistance spécifique d'au moins 10 Ωm et d'au plus 1010 Ωm.
  2. Inducteur (1) suivant la revendication 1, caractérisé en ce que l'élément (8, 9) de liaison a une résistance spécifique d'au moins 102 Ωm et d'au plus 105 Ωm.
  3. Inducteur (1) suivant la revendication 1 ou 2, caractérisé en ce que l'élément (8, 9) de liaison est constitué sous la forme d'une premier manchon (8), respectivement au moins une partie des deux parties (6) d'extrémité du conducteur (2) étant entourée par le premier manchon (8).
  4. Inducteur (1) suivant la revendication 3, comprenant un deuxième manchon (10), le deuxième manchon (10) étant isolant du point de vue électrique et entourant le premier manchon (8).
  5. Inducteur (1) suivant l'une des revendications précédentes, caractérisé en ce que l'élément (8, 9) de liaison est constitué sous la forme d'une première gaine (9) conductrice, la première gaine (9) conductrice entourant les deux parties (6) d'extrémité du conducteur (2) dans la partie du point (4) d'interruption.
  6. Inducteur (1) suivant la revendication 5, caractérisé en ce que le conducteur (2) a une deuxième gaine (14) conductrice, la deuxième gaine (14) conductrice entourant la première gaine (9) conductrice, au moins dans la partie du point (4) d'interruption.
  7. Inducteur (1) suivant l'une des revendications précédentes, caractérisé en ce qu'un intercalaire (16) est disposé entre les deux parties (6) d'extrémité du conducteur (2).
  8. Inducteur (1) suivant la revendication 7, caractérisé en ce que l'intercalaire (18) est entourée de l'élément (8, 9) de liaison.
  9. Inducteur (1) suivant l'une des revendications précédentes, caractérisé en ce qu'au moins une partie (6) d'extrémité du conducteur (2) est constituée de manière ondulée au point (4) d'interruption.
  10. Inducteur (1) suivant la revendication 9, caractérisé en ce que la au moins une partie (6) d'extrémité de type ondulé est entourée de l'élément (8, 9) de liaison.
  11. Inducteur (1) suivant l'une des revendications précédentes, caractérisé en ce que le conducteur (2) constitue un conducteur d'un conducteur multifilamentaire.
  12. Inducteur (1) suivant l'une des revendications précédentes, comprenant une pluralité de conducteurs, qui ont respectivement un point (4) d'interruption suivant la revendication 1, les points (4) d'interruption des conducteurs (2) ayant un décalage mutuel le long d'un axe longitudinal de l'inducteur (1).
  13. Inducteur (1) suivant la revendication 12, caractérisé en ce que les conducteurs s'étendent parallèlement le long de l'axe longitudinal de l'inducteur (1).
  14. Inducteur (1) suivant la revendication 12 ou 13, caractérisé en ce que les conducteurs (2) forment une structure entrelacée ou câblée, qui s'étend le long de l'axe longitudinal le long de l'inducteur (1).
  15. Procédé de fabrication d'un inducteur (1) de chauffage par induction de gisements de sable pétrolifère, de schiste bitumineux ou d'huile lourde, dans lequel on se procure au moins un conducteur (2) et on ménage au moins un point (4) d'interruption du conducteur (2) au moyen d'une séparation du conducteur (2), caractérisé en ce qu'on relie deux parties (6) d'extrémité du conducteur au point (4) d'interruption au moyen d'un dépôt d'une substance (8, 9) conductrice de l'électricité, la substance (8, 9) conductrice de l'électricité ayant une résistance spécifique d'au moins 10 Ωm et d'au plus 1010 Ωm.
  16. Procédé de fabrication suivant la revendication 15, dans lequel on dépose la substance (8, 9) conductrice de l'électricité au moyen d'un procédé d'injection, d'un procédé de coulée et/ou d'un procédé d'extrusion.
EP14169412.5A 2014-05-22 2014-05-22 Inducteur Not-in-force EP2947959B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP14169412.5A EP2947959B1 (fr) 2014-05-22 2014-05-22 Inducteur
PCT/EP2015/058810 WO2015176909A1 (fr) 2014-05-22 2015-04-23 Inducteur
ARP150101586A AR100548A1 (es) 2014-05-22 2015-05-21 Inductor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP14169412.5A EP2947959B1 (fr) 2014-05-22 2014-05-22 Inducteur

Publications (2)

Publication Number Publication Date
EP2947959A1 EP2947959A1 (fr) 2015-11-25
EP2947959B1 true EP2947959B1 (fr) 2016-09-28

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP14169412.5A Not-in-force EP2947959B1 (fr) 2014-05-22 2014-05-22 Inducteur

Country Status (3)

Country Link
EP (1) EP2947959B1 (fr)
AR (1) AR100548A1 (fr)
WO (1) WO2015176909A1 (fr)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4617449A (en) * 1981-10-22 1986-10-14 Ricwil, Incorporated Heating device for utilizing the skin effect of alternating current
DE102008022176A1 (de) * 2007-08-27 2009-11-12 Siemens Aktiengesellschaft Vorrichtung zur "in situ"-Förderung von Bitumen oder Schwerstöl
DE102007040605B3 (de) 2007-08-27 2008-10-30 Siemens Ag Vorrichtung zur "in situ"-Förderung von Bitumen oder Schwerstöl
FR2947587A1 (fr) * 2009-07-03 2011-01-07 Total Sa Procede d'extraction d'hydrocarbures par chauffage electromagnetique d'une formation souterraine in situ
US8763692B2 (en) * 2010-11-19 2014-07-01 Harris Corporation Parallel fed well antenna array for increased heavy oil recovery
CN103987916B (zh) * 2011-12-02 2017-01-18 莱尼电缆控股有限公司 制造电缆的、特别是感应电缆的具有被绝缘材料围绕的导体的电缆芯线的方法以及电缆芯线和电缆

Also Published As

Publication number Publication date
AR100548A1 (es) 2016-10-12
WO2015176909A1 (fr) 2015-11-26
EP2947959A1 (fr) 2015-11-25

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