Single Cable Powers Packer and ESP
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Solution Overview
Problem
Existing wellbore completion operations require separate electrical cables for powering packers and electrical submersible pumps, increasing complexity, time, and safety risks.
Innovation Solution
A single electrical cable is used to power both the packer and the electrical submersible pump, eliminating the need for a second cable and allowing for immediate position shifting of the packer without hydraulic or mechanical tools.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If separate electrical cables are used to power packers and electrical submersible pumps, then each device can be powered independently and reliably, but the complexity of wellbore completion operations increases and the time required increases
Solution Approach 1:
The patent combines multiple electrical cables into a single integrated cable system that powers both the packer and electrical submersible pump. This merging approach reduces the number of separate cables from two to one, thereby reducing operational complexity while maintaining the ability to independently control and power each device through separate conductors within the unified cable structure.
Solution Approach 2:
The single electrical cable is designed to perform multiple functions simultaneously: it provides power to the packer motor, powers the electrical submersible pump, and can transmit control signals to both devices. This multi-functional design eliminates the need for separate dedicated cables for each device, reducing overall system complexity while ensuring reliable power delivery to each component.
2Reliability
If separate electrical cables are used to power packers and electrical submersible pumps, then each device has dedicated power supply, but the time required for wellbore completion operations increases
Solution Approach 1:
The single electrical cable with integrated conductors for multiple devices is prepared and installed in advance as a complete assembly. This preliminary configuration eliminates the need for sequential connection of separate cables during wellbore completion operations, thereby reducing the time required while maintaining dedicated power pathways for each device through the pre-arranged cable structure.
3Adaptability or versatility
If hydraulic or mechanical tools are used to shift packer position, then the packer can be repositioned, but additional equipment and safety risks are introduced
Solution Approach 1:
The patent replaces mechanical or hydraulic positioning tools with an electrically actuated system. The packer is equipped with an electric motor that can be controlled through the single electrical cable to shift the packer position as needed. This substitution eliminates the requirement for separate mechanical positioning equipment, reducing overall device complexity and safety risks associated with additional tools.
Data Source
AI summary
An assembly and a method for powering a wellbore production system. The wellbore production system includes a packer, a piston assembly, an electrical submersible pump, and an electrical cable. The packer moves between an extended position and a retracted position to seal against an inner surface of a wellbore. The piston assembly is coupled to the packer. The piston assembly moves the packer between the extended position and the retracted position. The electrical submersible pump is coupled to the piston assembly. The electrical cable is coupled to the piston assembly and the electrical submersible pump. The electrical cable supplies electrical power to both the piston assembly and the electrical submersible pump.