Compression and stretch resistant components and cables for oilfield applications

Patent metadata

Field	Value
Publication number	US-10522271-B2
Application number	US-201816100423-A
Country	US
Kind code	B2
Filing date	Aug 10, 2018
Priority date	Jun 9, 2016
Publication date	Dec 31, 2019
Grant date	Dec 31, 2019

Abstract

An opto-electrical cable may include an opto-electrical cable core and a polymer layer surrounding the opto-electrical cable core. The opto-electrical cable core may include a wire, one or more channels extending longitudinally along the wire, and one or more optical fibers extending within each channel. The opto-electrical cable may be made by a method that includes providing a wire having a channel, providing optical fibers within the channel to form an opto-electrical cable core, and applying a polymer layer around the opto-electrical cable core. A multi-component cable may include one or more electrical conductor cables and one or more opto-electrical cables arranged in a coax, triad, quad configuration, or hepta configuration. Deformable polymer may surround the opto-electrical cables and electrical conductor cables.

First claim

What is claimed is:

1. A method comprising:
providing a wire, wherein one or more channels are formed within the wire and extend along a longitudinal axis of the wire;
providing one or more optical fibers extending longitudinally within each channel to form an opto-electrical cable core; and
applying a polymer layer longitudinally and circumferentially surrounding the opto-electrical cable core to form an opto-electrical cable;
wherein the wire comprises a base wire, wherein one channel is formed within the base wire between two portions of a base wire mating face of the base wire and extends along the longitudinal axis the base wire, and wherein the method further comprises, prior to applying the polymer layer:
providing a cap wire comprising a tab formed between two portions of a cap wire mating face of the cap wire, wherein the tab extends from the cap wire mating surface; and
mechanically coupling the tab within the channel of the base wire to enclose the channel.

2. The method of claim 1 , further comprising, prior to applying the polymer layer, encasing the one or more optical fibers within each channel with a filler.

3. A method comprising:
providing a wire, wherein one or more channels are formed within the wire and extend along a longitudinal axis of the wire;
providing one or more optical fibers extending longitudinally within each channel to form an opto-electrical cable core; and
applying a polymer layer longitudinally and circumferentially surrounding the opto-electrical cable core to form an opto-electrical cable;
wherein the wire comprises one channel formed within a central interior of the wire and extending along the longitudinal axis of the wire, wherein the one channel comprises an opening formed between two portions of an outer wire circumference of the wire, and wherein the method comprises:
encasing the one or more optical fibers within the one channel with a filler; and
mechanically coupling or chemically bonding a plug with the wire at the opening of the one channel to enclose the one channel.

4. A method comprising:
providing a wire, wherein one or more channels are formed within the wire and extend along a longitudinal axis of the wire;
providing one or more optical fibers extending longitudinally within each channel to form an opto-electrical cable core; and
applying a polymer layer longitudinally and circumferentially surrounding the opto-electrical cable core to form an opto-electrical cable;
wherein the wire comprises a base formed along an outer wire circumference of the wire and extending along the longitudinal axis of the wire and one channel formed between two portions of the outer circumference of the wire and extending along the longitudinal axis of the wire opposite the base, and wherein the method comprises holding the wire in a position on the base while providing the one or more optical fibers extending longitudinally within the one channel.

5. A method comprising:
providing a wire, wherein one or more channels are formed within the wire and extend along a longitudinal axis of the wire;
providing one or more optical fibers extending longitudinally within each channel to form an opto-electrical cable core;
applying a polymer layer longitudinally and circumferentially surrounding the opto-electrical cable core to form an opto-electrical cable; and
applying one or more completion layers longitudinally and circumferentially surrounding the polymer layer, wherein the one or more completion layers comprise:
a layer of cladding longitudinally and circumferentially surrounding the polymer layer; or
a jacket layer longitudinally and circumferentially surrounding the polymer layer, wherein the jacket layer comprises wires encased within a polymer; or
a tube longitudinally and circumferentially surrounding the polymer layer, wherein the tube comprises two arcuate metal wires, and a second polymer layer longitudinally and circumferentially surrounding the tube; or
a metallic tape longitudinally and circumferentially surrounding the polymer layer, wherein the metallic tape comprises a longitudinally crimped seam; or
a soft polymer layer longitudinally and circumferentially surrounding the polymer layer, a plurality of arch-profile wires longitudinally and circumferentially surrounding the soft polymer layer, wherein a portion of the soft polymer layer fills interstitial spaces between the arch-profile wires, and a layer of stranded wires encased within one or more additional layers of polymer longitudinally and circumferentially surrounding the plurality of arch-profile wires.

6. The method of claim 5 , further comprising:
providing one or more electrical conductor cables;
providing one or more of the opto-electrical cables;
arranging the one or more opto-electrical cables and the one or more electrical conductor cable cores in a coax configuration, a triad configuration, a quad configuration, or a hepta configuration; and
applying one or more layers of deformable polymer longitudinally and circumferentially surrounding the one or more opto-electrical cables and the one or more electrical conductor cables.

7. The method of claim 6 , further comprising
applying a first jacketing layer longitudinally and circumferentially surrounding the one or more layers of deformable polymer;
applying a first layer of reinforced polymer longitudinally and circumferentially surrounding the first jacketing layer, wherein an inner layer of armor wires is partially embedded into the first layer of reinforced polymer;
applying a second layer of reinforced polymer longitudinally and circumferentially surrounding the inner layer of armor wires, wherein the second layer of reinforced polymer bonds with the first layer of reinforced polymer through interstitial spaces between the armor wires of the inner layer of armor wires, and wherein an outer layer of armor wires is partially embedded into the second layer of reinforced polymer; and
optionally applying a third layer of reinforced polymer longitudinally and circumferentially surrounding the outer layer of armor wire, wherein the third layer of reinforced polymer bonds with the second layer of reinforced polymer through interstitial spaces between the armor wires of the outer layer of armor wires.

8. The method of claim 7 , wherein the first jacketing layer comprises:
a plurality of arch-profile wires longitudinally and circumferentially surrounding the one or more layers of deformable polymer, wherein a portion of the one or more layers of deformable polymer fills interstitial spaces between the arch-profile wires; or
a layer of corrugated metallic tape longitudinally and circumferentially surrounding the one or more layers of deformable polymer, wherein the layer of corrugated metallic tape is at least partially embedded into the one or more layers of deformable polymer; or
a layer of metallic cladding tape longitudinally and circumferentially surrounding the one or more layers of deformable polymer; or
a hard polymeric layer longitudinally and circumferentially surrounding the one or more layers of deformable polymer.

9. The method of claim 4 , further comprising, prior to applying the polymer layer, encasing the one or more optical fibers within each channel with a filler.

Assignees

• Schlumberger Technology Corp

Inventors

• Varkey Joseph
• Kim David
• Grisanti Maria
• Altintas Burcu Unal

Classifications

• H01B7/0275

  comprising one or more extruded layers of insulation · CPC title

• H01B13/0036

  Details · CPC title

• H01B7/0225

  Three or more layers · CPC title

• G02B6/504

  Installation in solid material, e.g. underground · CPC title

• G02B6/4486

  Protective covering · CPC title