Ulterra designs, manufactures, sells, and rents high-quality PDC drill bits and downhole tools for the global oil and gas industry. With a focus on localized markets, the company is able to quickly respond to customers' specific needs with the latest technology. Founded in 2005 as RockBit International and based in Fort Worth, Texas, Ulterra was acquired by Patterson-UTI Energy in July 2023. Their reliable and durable PDC drill bits, equipped with innovative designs and technologies, enhance drilling performance for the oil and gas industry.