Callin C. Kerr

PV Fluid Products, Inc. designs, manufactures, and supplies progressing cavity power sections. Its products are used in downhole, horizontal, and directional drilling. The company was founded in 1993 and is headquartered in Houston, TX.

NQL Drilling Tools Inc. is a supplier of directional drilling tools on a global basis, and a world class oilfield manufacturer. Under its NQL Energy Services operating banner, NQL provides a wide variety of drilling tools from three facilities in Canada, 10 facilities in the United States, three facilities in Venezuela, facilities in Holland, Dubai and Argentina, and a distribution agent in the Asia Pacific region. These products include: - Proprietary Black Max mud motor; - Patented Black Star EM-MWD guidance system; and - Full array of shock tools, drilling jars, and other components used in the drill string