PASON

Drilling rig instrumentation systems, namely, remote choke drilling chokes, drilling rig pit volume totalizers, and electronic drilling rig data recorder systems comprising a computer network and computer software to provide drilling data during the drilling process; and drilling instrumentation systems, namely, electronic drilling tour sheets [ and gas detection instruments, namely, flame ionization detectors ], and drilling data base systems comprising electronic data acquisition, storage, and display units, namely, computer hardware and computer software which prepares geological strip logs