Patent ID: 7154412
Filing Date: 2006-12-26
Classification: G01V

Abstract:
1. A power delivery system for a wireline tool, comprising: a power source; a first transmission loop to provide electrical power to said wireline tool, said first transmission loop having a first surface transformer coupled to said power source; a second transmission loop to provide electrical power to said wireline tool, said second transmission loop having a second surface transformer coupled to said power source; and at least one power converter coupled to said first and second transmission loops at a location different from said power source, said power converter suitable to deliver electrical power from said first transmission loop and said second transmission loop to said wireline tool; wherein said first transmission loop is a closed current path and said second transmission loop is a closed current path, said first and second transmission loops being independent such that said first transmission loop is capable of power delivery regardless whether said second transmission loop is capable of power delivery.