WO2016148673A1 - Câble de puissance haute température résistant à la pénétration de fluides - Google Patents

Câble de puissance haute température résistant à la pénétration de fluides Download PDF

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Publication number
WO2016148673A1
WO2016148673A1 PCT/US2015/020387 US2015020387W WO2016148673A1 WO 2016148673 A1 WO2016148673 A1 WO 2016148673A1 US 2015020387 W US2015020387 W US 2015020387W WO 2016148673 A1 WO2016148673 A1 WO 2016148673A1
Authority
WO
WIPO (PCT)
Prior art keywords
recited
epdm
elastomeric jacket
conductor
power cable
Prior art date
Application number
PCT/US2015/020387
Other languages
English (en)
Inventor
Jason Holzmueller
Jinglei XIANG
Original Assignee
Schlumberger Canada Limited
Services Petroliers Schlumberger
Schlumberger Technology B.V.
Schlumberger Technology Corporation
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 Schlumberger Canada Limited, Services Petroliers Schlumberger, Schlumberger Technology B.V., Schlumberger Technology Corporation filed Critical Schlumberger Canada Limited
Priority to PCT/US2015/020387 priority Critical patent/WO2016148673A1/fr
Publication of WO2016148673A1 publication Critical patent/WO2016148673A1/fr

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
    • H01B7/282—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable
    • H01B7/2825—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable using a water impermeable sheath
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/04—Flexible cables, conductors, or cords, e.g. trailing cables
    • H01B7/046—Flexible cables, conductors, or cords, e.g. trailing cables attached to objects sunk in bore holes, e.g. well drilling means, well pumps
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
    • H01B1/02—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors mainly consisting of metals or alloys
    • H01B1/026—Alloys based on copper
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00—Adapting or protecting infrastructure or their operation
    • Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables

Definitions

  • a power cable may be used to deliver electric power downhole to an electric submersible pumping system located in a subterranean environment.
  • Existing power cables employ electrical conductors which are surrounded by layers of insulation material, but existing constructions can be susceptible to the high temperatures and high pressures as well as the deleterious fluids often present in downhole environments. For example, some of the insulation materials swell in the presence of hydrocarbon fluids and some of the insulation materials are susceptible to permeation by corrosive substances, such as hydrogen sulfide.
  • the electrical cable comprises a conductor for conducting electricity and protective insulation layers which enable operation of the electrical cable in harsh environments and/or at higher voltages.
  • the conductor is protected by an internal elastomeric jacket disposed around the conductor and comprising ethylene propylene diene monomer (EPDM).
  • EPDM ethylene propylene diene monomer
  • the conductor is protected by an external elastomeric jacket disposed around the internal elastomeric jacket and comprising portions of nitrile rubber (e.g. NBR or HNBR) and EPDM bonded together.
  • NBR nitrile rubber
  • the portions of nitrile rubber and EPDM may be formed as layers which are simultaneously extruded and cross-linked to securely bond the layers together.
  • some embodiments of the electrical cable may comprise additional features, such as additional insulation layers, armor layers, and/or ground plane layers.
  • FIG. 1 is a schematic illustration of a well system comprising an example of an electrical power cable coupled with an electric submersible pumping system, according to an embodiment of the disclosure;
  • Figure 2 is a cross-sectional view of an example of the electrical power cable illustrated in Figure 1, according to an embodiment of the disclosure
  • Figure 3 is a cross-sectional view of another example of the electrical power cable illustrated in Figure 1, according to an embodiment of the disclosure
  • Figure 4 is a cross-sectional view of another example of the electrical power cable illustrated in Figure 1, according to an embodiment of the disclosure.
  • Figure 5 is a cross-sectional view of another example of the electrical power cable illustrated in Figure 1, according to an embodiment of the disclosure.
  • the present disclosure generally relates to a methodology and system which facilitate construction of an electrical cable, e.g. a power cable.
  • the electrical cable comprises a conductor for conducting electricity and protective insulation layers which enable operation of the electrical cable in harsh environments and/or at higher voltages.
  • the electrical cable comprises a plurality of conductors used to provide electric power in downhole applications.
  • the power cable may comprise three electrical conductors used to provide three-phase power to an electric submersible pumping system employed downhole in a wellbore to pump well fluids.
  • the at least one conductor is protected by an internal elastomeric jacket disposed around the conductor and comprising ethylene propylene diene monomer (EPDM). Additionally, the conductor(s) is protected by an external elastomeric jacket disposed around the internal elastomeric jacket and comprising portions of nitrile rubber and EPDM bonded together.
  • the nitrile rubber may be in the form of NBR (acrylonitrile-butadiene rubber) or HNBR (hydrogenated nitrile butadiene rubber).
  • the portions of nitrile rubber and EPDM may be formed as layers which are simultaneously extruded and cross-linked to securely bond the layers together.
  • some embodiments of the electrical cable may comprise additional insulation layers, an armor layer, a ground plane layer, and/or other additional features.
  • a power cable is constructed for use with an electric submersible pumping system and utilizes an external elastomeric jacket formed with an EPDM jacket core simultaneously extruded with a nitrile rubber (NBR or HNBR) outer skin.
  • the nitrile rubber outer skin provides a high strength, fluid and gas resistant barrier while maintaining a low cost and an effective temperature resistance via the EPDM based jacket core.
  • the two layers are simultaneously applied by an extrusion process, e.g. co-extruded or tandem-extruded, and are chemically cross-linked together.
  • This power cable construction provides a highly reliable construction for use in high temperature applications in which the power cable is in contact with hydrocarbon fluids.
  • the power cable construction enables use in high temperature environments in which the power cable is disposed within a dielectric oil filling a tubing, e.g. coiled tubing, used to deploy an electric submersible pumping system.
  • the power cable construction also enables downhole use with higher levels of voltage, e.g. voltages greater than 5 kV.
  • the cable operates effectively in corrosive oilfield environments in which the cable is exposed to hydrocarbons, high-pressure gases, and operating temperatures above 180°C.
  • an embodiment of a well system is illustrated as comprising a downhole, electrically powered system, e.g an electric submersible pumping system. Electric power is provided to the electric submersible pumping system or other powered system via a power cable. The power cable, in turn, is coupled with the electrically powered system by an electrical connector, e.g. a pothead assembly.
  • the illustrated electric submersible pumping system or other types of electrically powered systems may comprise many types of components and may be employed in many types of applications and environments, including cased wells and open-hole wells.
  • the well system also may be utilized in vertical wells or deviated wells, e.g. horizontal wells.
  • a well system 20 is illustrated as comprising an electrically powered system 22 which receives electric power via an electrical power cable 24.
  • the electrically powered system 22 may be in the form of an electric submersible pumping system 26, and the power cable 24 is designed to withstand high temperature, harsh environments.
  • the electric submersible pumping system 26 may have a wide variety of components, examples of such components comprise a submersible pump 28, a submersible motor 30, and a motor protector 32.
  • electric submersible pumping system 26 is designed for deployment in a well 34 located within a geological formation 36 containing, for example, petroleum or other desirable production fluids.
  • a wellbore 38 may be drilled and lined with a wellbore casing 40, although the electric submersible pumping system 26 (or other type of electrically powered system 22) may be used in open hole wellbores or in other environments exposed to hydrocarbons, high
  • casing 40 may be perforated with a plurality of perforations 42 through which production fluids flow from formation 36 into wellbore 38.
  • the electric submersible pumping system 26 may be deployed into a wellbore 38 via a conveyance or other deployment system 44 which may comprise tubing 46, e.g. coiled tubing or production tubing.
  • the conveyance 44 may be coupled with the electrically powered system 22 via an appropriate tubing connector 48.
  • power cable 24 is routed along deployment system 44.
  • the electric submersible pumping system 26 also can be suspended via the power cable 24 to form a cable deployed electric submersible pumping system 26. In this latter application, the power cable 24 is constructed as a robust cable able to support the weight of the electric submersible pumping system 26.
  • the submersible motor 30 powers submersible pump 28 which draws in fluid, e.g. production fluid, into the pumping system through a pump intake 50.
  • the fluid is produced or moved to the surface or other suitable location via tubing 46.
  • the fluid may be pumped to other locations along other flow paths.
  • the fluid may be pumped along an annulus surrounding conveyance 44.
  • the electric submersible pumping system 26 may be used to inject fluid into the subterranean formation or to move fluids to other subterranean locations.
  • the electrical power cable 24 is constructed to consistently deliver electric power to the submersible pumping system 26 over long operational periods in environments subject to high temperatures, high pressures, deleterious fluids, high voltages, and/or other conditions which can be detrimental to conventional power cables.
  • the power cable 24 is connected to the corresponding, electrically powered component, e.g. submersible motor 30, by an electrical connector 52, e.g. a suitable pothead assembly.
  • the power cable 24 may comprise an individual electrical conductor protected by an insulation system or a plurality of electrical conductors protected by the insulation system.
  • the electrical power cable 24 is in the form of a motor lead extension.
  • the motor lead extension 24 is designed to carry three-phase current, and submersible motor 30 comprises a three-phase motor powered by the three- phase current delivered through the three electrical conductors of motor lead extension 24.
  • the electrical cable 24 is a power cable comprising a plurality of electrical conductors 56 although some power cables 24 may utilize other numbers of conductors or even a single conductor.
  • each conductor 56 may be surrounded by a primary insulation layer 58 and a fluid barrier layer 60 located around each primary insulation layer 58.
  • the power cable 24 also may comprise an internal elastomeric jacket 62 disposed around the plurality of conductors 56 collectively.
  • the internal elastomeric jacket 62 is located externally of the fluid barriers 60 and also may fill interstices between the fluid barrier layers 60.
  • the illustrated power cable 24 comprises an external elastomeric jacket 64 disposed around the internal elastomeric jacket 62.
  • An armor layer 66 also may be positioned around the external elastomeric jacket 64 and may be formed of a metallic material, e.g. a galvanized steel or other steel material.
  • the external elastomeric jacket 64 is a composite structure and may be formed of a nitrile rubber portion 68 (e.g. NBR or HNBR) bonded with an ethylene propylene diene monomer (EPDM) portion 70.
  • the nitrile rubber portion 68 and the EPDM portion 70 may be cross-linked to provide a uniform external elastomeric jacket 64 having the benefits of both nitrile rubber and EPDM.
  • the nitrile rubber portion 68 and the EPDM portion 70 may be formed as layers with the nitrile rubber portion 68 being the external layer.
  • the layers 68, 70 may be simultaneously extruded, e.g.
  • the nitrile rubber layer 68 and the EPDM layer 70 may be cross-linked while being simultaneously extruded to form the external elastomeric jacket 64 as a well bonded co-extrusion.
  • the NBR or HNBR compound may be formed according to various techniques and with various materials.
  • the NBR or FfNBR compound may be based on a typical carbon black or mineral (e.g. silica, clay, or other suitable mineral) filled composition.
  • the compound may comprise an acrylonitrile content (ACN%) which functions as a primary contributor to fluid, e.g. gas, resistance.
  • ACN% acrylonitrile content
  • increasing ACN% can result in improved oil resistance and lower gas permeability.
  • the compound, e.g. FfNBR compound, forming portion/layer 68 may be formed to utilize high-aspect ratio fillers which provide the material with enhanced barrier properties for great resistance to permeation of fluid, e.g. gas.
  • the high-aspect ratio fillers may comprise platelet- like fillers which align during a high shear extrusion process. Because of the highly aligned sheets of impermeable filler, a tortuous path is created in the elastomer that greatly reduces the fluid, e.g. gas, permeation rate.
  • suitable platelet-like fillers include exfoliated grapheme nanoplatelets, such as those available from XG Sciences, Inc. of Lansing Michigan.
  • high-aspect ratio fillers also may be utilized and include graphite, talc, boron nitride, exfoliated nanoclays, carbon nanotubes, MXenesTM (as reported by Drexel Nanomaterials Group), and/or other fillers having a desirably high aspect ratio.
  • these fillers may be surface modified by appropriate techniques, such as silanization or surface grafting of polymer groups.
  • the materials used to form the various components and features of electrical cable 24 may vary according to the parameters of a given application.
  • the electrical conductors 56 may be formed of copper, e.g. high purity copper, and may be solid, stranded, or compacted stranded. Stranded and compacted stranded conductors 56 may offer improved flexibility for some applications.
  • the conductors 56 also may be coated with a variety of coatings, such as corrosion resistant coatings which help prevent conductor degradation when exposed to hydrogen sulfide gas or other deleterious elements that can be present in downhole environments. Examples of such coatings include tin, lead, nickel, silver, or other corrosion resistant alloys metals.
  • the primary insulation layer 58 also may have various configurations and be formed from various materials.
  • the primary insulation layer 58 around each conductor 56 may be formed of EPDM and/or polyetheretheretherketone (PEEK). If EPDM is selected, various compound formulations may be selected to enhance oil and decompression resistance.
  • the primary insulation layer 58 may be thoroughly bonded, e.g. adhered, to the conductor 56 or to the layers applied to the exterior of the conductor 56.
  • PEEK provides improved mechanical properties which increase the protection against damage during power cable installation and operation. The much higher stiffness of PEEK also may allow for greater ease in sealing over power cable features at cable termination points, e.g. at a motor pothead, well connectors, feed-throughs, and/or other terminations.
  • the fluid barrier layer 60 is formed of a material selected to protect the conductors 56 and the overall power cable 24 from corrosive downhole fluids, e.g. gases.
  • the fluid barrier layer 60 may be constructed as a single layer or as a plurality of layers and may, for example, be in the form of an extruded and/or taped layer or layers.
  • the extruded and/or taped layers may be formed of fluoropolymers, lead, or other materials sufficient to provide protection against the deleterious well fluids.
  • One type of suitable material is polytetrafluoroethylene (PTFE).
  • PTFE polytetrafluoroethylene
  • electrical cable 24 further comprises a conductor shield layer 72 disposed around each conductor 56.
  • the conductor shield layer 72 may comprise a corrosion resistance layer as described above. In a variety of embodiments, however, the conductor shield layer 72 is in the form of a semi-conductive layer disposed around each conductor 56 to control electrical stress in the cable 24 and to minimize discharge.
  • the conductor shield layer 72 may be particularly useful in power cables 24 rated above 5 kV.
  • the conductor shield layers 72 may vary in thickness and in some applications may be between 0.002 and 0.020 inches in thickness. Additionally, each conductor shield layer 72 may be bonded to the corresponding conductor 56 and also to the surrounding primary insulation layer 58 to block gas migration. In some applications, the conductor shield layers 72 may be stripable to provide easy access to the cable conductors 56. However, the conductor shield layer 72 may not be bonded in certain other applications.
  • each conductor shield layer 72 may comprise a semi- conductive tape wrap or an extruded semi-conductive polymer.
  • each conductor shield layer 72 comprises an elastomer or thermoplastic and is co- extruded with the primary insulation layer 58 so as to allow the layers to be cross-linked together. The cross-linking reduces the potential for voids at the interface between the conductor shield layer 72 and the primary insulation layer 58.
  • the material selected for conductor shield layer 72 is an elastomer, e.g. EPDM, compound loaded with conductive fillers.
  • electrical cable 24 further comprises an insulation shield layer 74 in the form of a semi-conductive layer applied over the primary insulation layer 58 to minimize electrical stresses in the cable 24.
  • the insulation shield layer 74 may be bonded to the primary insulation layer 58 or may be stripable. At least some adhesion between the insulation shield layer 74 and adjacent layers may be helpful in preventing voids or defects in the electrical cable 24.
  • the insulation shield layer 74 may be a semi-conductive tape or a semi-conductive polymer. As with the conductor shield layer 72, the insulation shield layer 74 can be co-extruded with the primary insulation layer 58 to ensure contact throughout the interface between the surfaces.
  • the material used to form the insulation shield layer 74 may be semi-conductive and defined as having a resistivity less than 5000 ohm-cm. The same material may be used for the insulation shield layer 74 and the conductor shield layer 72, however different materials also may be used to enhance stripability, processing, and/or performance characteristics. Additionally, the insulation shield layer 74 may be continuous with the primary insulation layer 58, and the two layers may be fully bonded or partially bonded depending on the parameters of a given application.
  • electrical cable 24 further comprises a ground plane 76 which may be in the form of a metallic shield layer.
  • the ground plane/metallic shield layer 76 may be disposed externally of insulation shield layer 74 or at other suitable locations.
  • the layers 76 serve to electrically isolate the phases of the power cable 24 from each other.
  • the ground plane/metallic shield layer 76 may be formed from a variety of materials, including copper, aluminum, lead, conductive tapes, conductive braids, conductive paints, or extruded materials applied to provide a conductive layer.
  • the material is selected so that the shield layer 76 also serves as a barrier which protects the inner cable layers from deleterious fluids, e.g. deleterious gases.
  • the various layers described, e.g. conductor shield layer 72, insulation shield layer 74, ground plane 76, and/or other layers may be used individually or in various combinations according to the parameters of a given application.
  • the internal elastomeric jacket 62 and the external elastomeric jacket 64 may be employed to protect the electrical cable 24 from damage in extreme environments, e.g. extreme downhole environments.
  • the jackets 62, 64 may be formed from various combinations of EPDM and nitrile rubber as described above. However, the jackets 62, 64 may comprise additional or other materials in some embodiments, including fluoropolymers, chloroprene, or other materials resistant to extreme downhole environments.
  • the construction of electrical cable 24 also may vary according to the parameters of a given application and the cable may be arranged in, for example, circular configurations are flat configurations. In some round cable
  • three conductors 56 may be twisted together and protected by fluid, temperature, and pressure resistant combinations of jackets 62, 64.
  • the protective jackets 62, 64 provide a unique composite of nitrile rubber and EPDM materials to better utilize the properties of these materials.
  • the internal elastomeric jacket 62 may be formed from EPDM while the external elastomeric jacket 64 is formed as a composite layer combining portions of nitrile rubber and EPDM.
  • the external elastomeric jacket 64 comprises the radially inner jacket layer 70 formed of EPDM.
  • This radially inner jacket layer 70 is firmly and completely bonded to the radially outer jacket layer 68 formed of nitrile rubber, e.g. NBR or FINBR.
  • Forming portion 70 of the external elastomeric jacket 64 with EPDM provides a high level of temperature resistance at a hot location within the power cable 24 adjacent the layers surrounding the heat producing conductors 56.
  • the EPDM also is a material with great dielectric properties having high-volume resistivity and dielectric strength provided at an area between the phases. Additionally, the EPDM material is a low-cost material and thus can readily be used as the most common cable material by both weight and volume in a variety of cable embodiments.
  • the radially outer layer 68 also provides a high-strength outer layer which maintains this high-strength even after contact with hydrocarbon fluids.
  • the high strength of radially outer layer 68 also helps reduce the likelihood of gas decompression damage.
  • the nitrile rubber layer 68 is towards the outside of the power cable 24 and is thus exposed primarily to temperatures controlled by the well fluid temperature as opposed to the temperatures resulting from electrical current moving along conductors 56. By locating the nitrile rubber layer 60 at such a position, the potential for material hardening due to thermal aging is reduced.
  • the nitrile rubber layer 68 and the EPDM layer 70 of the external elastomeric jacket 64 are thoroughly cross-linked and bonded together. This reduces or eliminates voids between the layers that could otherwise result in potential sites for gas buildup and subsequent mechanical failure during rapid gas decompression. Such voids can be reduced or removed by providing a thoroughly bonded interface of the two materials by, for example, simultaneously extruding the materials via a co-extrusion or tandem-extrusion technique. In many applications, the two materials of layers 68, 70 may be cross-linked simultaneously while being simultaneously extruded.
  • the materials of layers 68, 70 may be pressure extruded using compatible cross-linking systems.
  • compatible cross-linking systems For example, peroxide-based cure systems may be used because such systems readily cross-link both EPDM and nitrile rubber materials.
  • cross-linking at the desired material interface may be improved with the aid of additives mixed into one or both compounds to improve compatibility at the material interface.
  • the additive system may comprise co-polymers of hydrophobic and hydrophilic monomers, e.g. low ACN% NBR rubber, maleic anhydride adducted polybutadiene, maleic anhydride modified ethylene propylene, chloroprene rubber, or similar.
  • the additive system also may comprise other additives that increase cross- linking efficiency such as 1 ,2 vinyl polybutadiene, various methacrylate or acrylate additives (such as TMPTMA, SR350 or similar), and also materials such as
  • polyoctenamer (VestanamerTM products from StruktolTM). There are various other additives that can be used to accomplish improved cross-linking at the material interface.
  • armor layer 66 which can be formed of a variety of suitable materials selected for a given application.
  • the armor layer 66 may be formed of galvanized steel, stainless steel, MonelTM, or other suitable metal, metal alloy, or non-metal material resistant to downhole conditions.
  • the armor layer 66 also may be formed as a composite layer having a plurality of materials.
  • the electrical cable 24 may have a variety of shapes and/or components.
  • the electrical cable may have a variety of layers formed of various materials in various orders within the external elastomeric jacket. Additionally, various layers may be disposed around the corresponding conductors individually or collectively. The number, type, and arrangement of electrical conductors also may be selected according to the parameters of a given application and environment.
  • the electrical cable may have a round configuration, a rectangular configuration, or a flat configuration to accommodate certain spatial constraints.
  • Various additives and materials may be mixed with or otherwise added to materials forming the various layers of the electrical cable 24.
  • the electrical cable 24 may be in the form of a power cable which provides electrical power to downhole systems, e.g.

Abstract

La présente invention concerne une technique qui facilite la construction d'un câble électrique, par exemple, un câble de puissance. Le câble électrique comprend un conducteur destiné à conduire de l'électricité et des couches d'isolation de protection qui permettent le fonctionnement du câble électrique dans des environnements difficiles et/ou à des tensions plus élevées. Le conducteur est protégé par une gaine élastomère interne disposée autour du conducteur et comprenant un monomère d'éthylène-propylène-diène (EPDM). De plus, le conducteur est protégé par une gaine élastomère externe disposée autour de la gaine élastomère interne et comprenant des parties de caoutchouc nitrile (par exemple, NBR ou HNBR) et du EPDM liés ensemble.
PCT/US2015/020387 2015-03-13 2015-03-13 Câble de puissance haute température résistant à la pénétration de fluides WO2016148673A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/US2015/020387 WO2016148673A1 (fr) 2015-03-13 2015-03-13 Câble de puissance haute température résistant à la pénétration de fluides

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US2015/020387 WO2016148673A1 (fr) 2015-03-13 2015-03-13 Câble de puissance haute température résistant à la pénétration de fluides

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WO2016148673A1 true WO2016148673A1 (fr) 2016-09-22

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Cited By (2)

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CN113257466A (zh) * 2021-05-12 2021-08-13 安徽电缆股份有限公司 硅橡胶绝缘耐高温动车组电缆
CN114161723A (zh) * 2021-12-03 2022-03-11 安徽比特汽车科技有限公司 一种耐油抗老化的线束制备方法

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US7989700B2 (en) * 2008-11-10 2011-08-02 Hitachi Cable, Ltd. Cable
US8204348B2 (en) * 2009-06-30 2012-06-19 Nexans Composite, optical fiber, power and signal tactical cable
US20120279750A1 (en) * 2011-05-02 2012-11-08 Sjur Kristian Lund High voltage power cable for ultra deep waters applications
US20130306348A1 (en) * 2012-05-18 2013-11-21 Schlumberger Technology Corporation Artificial Lift Equipment Power Cables
US8653371B2 (en) * 2010-02-17 2014-02-18 Hitachi Cable, Ltd. Radiation resistant electric wire and radiation resistant cable

Patent Citations (5)

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Publication number Priority date Publication date Assignee Title
US7989700B2 (en) * 2008-11-10 2011-08-02 Hitachi Cable, Ltd. Cable
US8204348B2 (en) * 2009-06-30 2012-06-19 Nexans Composite, optical fiber, power and signal tactical cable
US8653371B2 (en) * 2010-02-17 2014-02-18 Hitachi Cable, Ltd. Radiation resistant electric wire and radiation resistant cable
US20120279750A1 (en) * 2011-05-02 2012-11-08 Sjur Kristian Lund High voltage power cable for ultra deep waters applications
US20130306348A1 (en) * 2012-05-18 2013-11-21 Schlumberger Technology Corporation Artificial Lift Equipment Power Cables

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113257466A (zh) * 2021-05-12 2021-08-13 安徽电缆股份有限公司 硅橡胶绝缘耐高温动车组电缆
CN114161723A (zh) * 2021-12-03 2022-03-11 安徽比特汽车科技有限公司 一种耐油抗老化的线束制备方法
CN114161723B (zh) * 2021-12-03 2023-10-10 安徽比特汽车科技有限公司 一种耐油抗老化的线束制备方法

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