self-propelled mobile marine work platform equipped with retractable legs for above water elevation for use in service maintenance or testing of offshore wells such as oil or gas wells

SELF ELEVATING WORK PLATFORM VESSELS WHICH PROVIDE THE FOLLOWING SERVICES: WELL-MAINTENANCE, WIRELINE AND PIPE HANDLING, AND PIPE LINE INSPECTION AND REPAIR; TRANSPORTING PERSONNEL, PIPE, LUMBER, DRILLING AND TREATING FLUIDS, ELECTRICAL EQUIPMENT, AND INDUSTRIAL SUPPLIES; GEOPHYSICAL SURVEY, WELL CORE DRILLING AND TESTING, AND PRODUCTION WELL TESTING IN INLAND, OFFSHORE U.S. AND FOREIGN WATERS

Well-Maintenance Services, Wireline and Pipe Handling Services, and Pipe Line Inspection and Repair Services