# US 2013/0153260 A1 · ESP Power Cables

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- Number: US 2013/0153260 A1
- Document ID: US20130153260A1
- Status: Published application
- Kind: A1
- Application number: 13/715,011
- Filed: 2012-12-14
- Published: 2013-06-20
- Earliest claimed: 2011-12-19
- Assignees: E. I. Du Pont de Nemours and Company
- Inventors: Daniel A. Favereau; Jeanne Driebeek; Marco Ang
- Web page: https://patentgrep.com/patent/US20130153260A1

## CPC

- H01B 7/18: {Protection against damage caused} by wear, mechanical force or pressure; {Sheaths; Armouring}
- G02B 6/4427: {Pressure resistant cables, e.g. undersea cables}
- H01B 3/441: {from alkenes}
- H01B 3/445: {from vinylfluorides or other fluoroethylenic compounds}
- H01B 9/006: {Constructional features relating to the conductors}
- H01B: CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES (selection for magnetic properties H01F1/00; waveguides H01P {; printed circuits H05K})
- G02B: OPTICAL ELEMENTS, SYSTEMS OR APPARATUS

## Abstract

An electrical submersible pump (ESP) power cable for use in oil wells is provided, comprising at least two electrical conductors, a first fluoropolymer layer surrounding each of the at least two electrical conductors, an outer metal armouring, wherein the first fluoropolymer layer surrounding each of the at least two electrical conductors is composed of at least one fluoropolymer chosen among ETFE (ethylene tetrafluoroethylene copolymer), PFA (perfluoroalkoxy copolymer), FEP (fluorinated ethylene propylene copolymer) and/or mixtures thereof.

## Claims

### Claim 1

An electrical submersible pump power cable for use in oil wells comprising
a. at least two electrical conductors
b. a first fluoropolymer layer surrounding each of the at least two electrical conductors
c. an outer metal armouring
wherein the first fluoropolymer layer surrounding each of the at least two electrical conductors comprises at least one fluoropolymer chosen among ETFE (ethylene tetrafluoroethylene copolymer), PFA (perfluoroalkoxy copolymer), FEP (fluorinated ethylene propylene copolymer) and/or mixtures thereof.

### Claim 2 (depends on 1)

The electrical submersible pump power cable for use in oil wells according to claim 1, wherein the at least one fluoropolymer has a melt flow index of from 0.5 g/10 min to 10 g/10 min, as measured according to ISO 12086.

### Claim 3 (depends on 1)

The electrical submersible pump power cable for use in oil wells according to claim 1, wherein the fluoropolymer of said first fluoropolymer layer has a stress crack resistance in excess of 20 000 cycles, when measured according to ASTM D 2176.

### Claim 4 (depends on 1)

The electrical submersible pump power cable for use in oil wells according to claim 1, wherein the first fluoropolymer layer is in direct contact with the electrical conductors.

### Claim 5 (depends on 1)

The electrical submersible pump power cable for use in oil wells according to claim 1, wherein the first fluoropolymer layer is in direct contact with each of said electrical conductors and with said outer metal armouring.

### Claim 6 (depends on 1)

The electrical submersible pump power cable for use in oil wells according to claim 1, wherein said first fluoropolymer layer has a second fluoropolymer layer surrounding said first fluoropolymer layer.

### Claim 7 (depends on 6)

The electrical submersible pump power cable for use in oil wells according to claim 6, wherein the fluoropolymer of said second fluoropolymer layer comprises the same fluoropolymer of which said first fluoropolymer is comprised.

### Claim 8 (depends on 6)

The electrical submersible pump power cable for use in oil wells according to claim 6, wherein said first and second fluoropolymer layers are in direct contact with one another

### Claim 9 (depends on 1)

The electrical submersible pump power cable for use in oil wells according to claim 1, wherein an additional padding layer is intercalated between the first fluoropolymer layer and the outer metal armouring.

### Claim 10

An electrical submersible pump power cable for use in oil wells comprising
a. at least two electrical conductors,
b. a first fluoropolymer layer surrounding each of the at least two electrical conductors,
c. a second fluoropolymer layer surrounding the first fluoropolymer layer,
d. and an outer metal armouring
wherein the first fluoropolymer layer surrounding each of the at least two electrical conductors comprises at least one fluoropolymer chosen among ETFE (ethylene tetrafluoroethylene copolymers, PFA (perfluoroalkoxy copolymers), FEP (fluorinated ethylene propylene copolymers) and/or mixtures thereof, and wherein the second fluoropolymer layer surrounding the first fluoropolymer layer comprises at least one fluoropolymer chosen among ETFE (ethylene tetrafluoroethylene copolymer, PFA (perfluoroalkoxy copolymer), FEP (fluorinated ethylene propylene copolymer) and/or mixtures thereof.

### Claim 11 (depends on 10)

The electrical submersible pump power cable for use in oil wells according to claim 10, wherein an additional padding layer is intercalated between the second fluoropolymer layer and the outer metal armouring.

### Claim 12 (depends on 10)

The electrical submersible pump power cable for use in oil wells according to claim 10, wherein the first fluoropolymer layer is in direct contact with the electrical conductors and the second fluoropolymer layer and wherein the second fluoropolymer layer is in direct contact with the first fluoropolymer layer and the outer metal armouring.