Light emitting diode (LED) lamps for energy-efficient replacement of fluorescent lamps; LED (light emitting diode) lamps

Oil, gas, and geothermal well production equipment, namely-- casings, joints, liners, risers, hoses, hangers, tubulars, pipes, pumps, motors, turbines, seals, electronic circuits, computer programs, computers, electrical conductors, electrical contacts, inductive transformers, sensors, transmitters, receivers, screens, filters, pore pressure evaluators, sand control equipment, batteries, hydraulic generators, electrical generators, regulators, screws, fracturing equipment, mandrels, manifolds...