Abstract: The present disclosure is generally directed to devices and methods of treating aqueous solutions to help remove or otherwise reduce levels, concentrations or amounts of one or more contaminants. The present disclosure relates to a method of which includes the application of a constant current or a pulse width modulation duty cycle to at least one counterelectrode (e.g. cathode) and at least one photoelectrode (e.g. anode) provided or arranged around at least one UV light source in a housing adapted to also receive, contain and/or circulate fluid or aqueous solution.

Abstract: The present invention relates to the removal and recovery of oil, and/or the removal and recovery of contaminants, from aqueous solutions. More specifically, the present invention relates to a system and a method for removing bacteria and recovering oil from oil and gas wastewater, produced water, and other aqueous solutions utilizing photoelectrocatalytic oxidation and suspended solids filtration.

Abstract: A personnel evacuation and rescue system provides a reliable, easy to operate, and easy to access evacuation system for personnel working on elevated surfaces in hazardous environments. The evacuation and rescue system includes a ground-mounted base unit, a tubular escape chute, an upper docking portal mounted on the work platform that is mounted onto the side of a drilling or well service mast work platform, and cables for support, deployment, and retrieval of the escape chute. A quick disconnect means for anchoring a fall restraint harness used by the personnel working on the mast platform is attached to the docking platform.