High temperature submersible power cable
AssigneeSchlumberger Technology Corporation
InventorsJason Holzmueller, Jinglei Xiang
Life of this patent
Estimating the term…
Abstract
A method can include extruding an electrically insulating elastomeric compound about a conductor where the electrically insulating elastomeric compound includes ethylene propylene diene monomer (M-class) rubber (EPDM) and an alkane-based peroxide that generates radicals that form decomposition products; cross-linking the EPDM via radical polymerization to form an electrically insulating layer about the conductor; heating the cross-linked EPDM to at least 55 degrees C. to reduce the concentration of the decomposition products in the electrically insulating layer; and disposing a gas barrier layer about the electrically insulating layer.
Claims20
A submersible power cable comprising:
- a conductor;
- an insulation layer disposed about the conductor wherein the insulation layer comprises ethylene propylene diene monomer (M-class) rubber (EPDM) wherein the insulation layer comprises less than 3 percent by weight of hexane extractable peroxide decomposition products;
- and
- a gas barrier layer disposed about the insulation layer.
An electric submersible pump power cable comprising:
- a conductor;
- an insulation layer disposed about the conductor wherein the insulation layer comprises ethylene propylene diene monomer (M-class) rubber (EPDM) wherein the insulation layer comprises less than 3 percent by weight of hexane extractable peroxide decomposition products;
- a gas barrier layer disposed about the insulation layer;
- and
- an armor layer disposed about the gas barrier layer.
A submersible power cable comprising:
- a conductor;
- an insulation layer disposed about the conductor, wherein the insulation layer comprises ethylene propylene diene monomer (M-class) rubber (EPDM) and an alkane-based peroxide that generates radicals that form decomposition products, wherein the decomposition products comprise peroxide decomposition products and wherein the largest of the peroxide decomposition products comprises acetone;
- and
- a gas barrier layer disposed about the insulation layer.
Dependencies are inferred from the claim text.