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US 2016/0258231 A1Published application
Dual-Walled Coiled Tubing Deployed Pump
AssigneeBaker Hughes Incorporated
InventorsAndre J. Naumann, Silviu Livescu
Life of this patent
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Abstract
Dual-walled coiled tubing assemblies are used to dispose an electric device, such as an electric submersible pump into a wellbore. Dual-walled coiled tubing assemblies include an inner coiled tubing string and an outer coiled tubing string as well as a power cable.
Claims26
A dual-walled coiled tubing assembly to dispose an electric submersible pump into a wellbore, the dual-walled coiled tubing assembly comprising:
- an inner coiled tubing string defining an inner coiled tubing central axial pathway along its length;
- an outer coiled tubing string radially surrounding the inner coiled tubing string, the outer coiled tubing string defining an outer coiled tubing string central axial passage along its length;
- and
- a power cable to provide electric power to the electric device, the power cable being disposed within the outer coiled tubing string central axial passage.
1 more element
A hydrocarbon production assembly to produce hydrocarbon fluid from a wellbore, the production assembly comprising:
- an electric submersible pump;
- a dual-walled coiled tubing assembly to dispose the electric submersible pump into the wellbore, the dual-walled coiled tubing assembly comprising:
- an inner coiled tubing string defining an inner coiled tubing central axial pathway along its length;
- an outer coiled tubing string radially surrounding the inner coiled tubing string, the outer coiled tubing string defining an outer coiled tubing string central axial passage along its length;
- and
- a power cable to provide electric power to the electric submersible pump, the power cable being disposed within the outer coiled tubing string central axial passage.
3 more elements
Dependencies are inferred from the claim text.