86125761
Nov 21, 2013
Oct 6, 2015
Equipment for oil and gas exploration, namely, drilling rig masts and substructures; BOP handling equipment, namely, blow out preventer lifting, raising, relocation, repositioning, and rotating systems, comprising lifting frames and hoist, powered trollies, raising cylinders, rotating mechanisms, and gripping devices and BOP lifting and handling frames with gates with lifting eyes and gate actuators for securing and lifting complete BOP stacks during transport as well as handling at a wellhead for use in the oil and gas industry; automatic pipe racking systems comprised of drilling rig power-operated lifting and moving equipment, namely, equipment mountable to a drilling rig for translating pipe between a racking board on the drilling rig and a position over the well bore; pipe handling and positioning systems comprised of drilling rig power-operated lifting and moving equipment, namely, pipe layers for manipulating pipe between horizontal and vertical positions in association with a drilling rig; drill rig skidding systems comprised of a hydraulic lift frame and a transversely mounted hydraulic slide mechanism having linear bearings engaged on cylindrical slides
MachineryDrill rig transport systems comprised of mechanically steered articulating dolly transport systems for transporting large structures such as a drilling mast over the federal highway system
VehiclesEngineering and design services for oil and gas exploration equipment and structures
Computer and Scientific