In an oil field application a conceptual design and feasibility evaluation was completed to identify robotic solutions for tractoring wire cables into deep horizontal wells. Several design concepts were discovered and evaluated from the standpoint of feasibility in the hot and abrasive environment of wells. Fail-safe designs were investigated to limit the possibility of irrecoverable tractor failures. Energetic requirements for tractor operation and automatic recovery systems was investigated and analytical calculations generated to support the design considerations.
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