Frac Tech, also known as Frac Tech Services, was a leading independent provider of hydraulic fracturing and well stimulation services for oil and natural gas exploration and production companies in the United States. Founded in 2002 by brothers Dan and Farris Wilks (the Wilks brothers), the company was originally formed as a Texas limited partnership in August 2000. Headquartered in Cisco, Texas, Frac Tech specialized in high-pressure hydraulic fracturing techniques to enhance recovery from shale and unconventional reservoirs, delivering equipment, products, and services to E&P companies during the early 2000s shale revolution boom. The company's rapid expansion culminated in its acquisition by Patterson-UTI Energy in May 2011 for approximately $3.5 billion, which marked a significant financial milestone for the Wilks brothers and propelled them into billionaire status. Post-acquisition, the entity operated as FTS International, continuing to provide fracking services across North America. Frac Tech's success was emblematic of the broader energy sector's shift toward unconventional drilling, though it operated in an industry often criticized for environmental impacts such as water contamination and induced seismic activity. The original Frac Tech entity no longer exists independently, having been integrated into larger operations, with subsequent developments including acquisitions by entities like ProFrac Services. Frac Tech's legacy includes its role in pioneering efficient fracking technologies, but it has been indirectly linked to controversies surrounding the hydraulic fracturing industry, including regulatory scrutiny over emissions and groundwater protection. No specific legal actions or scandals directly targeting Frac Tech during its independent operation are prominently documented, though the sector faced ongoing investigations and lawsuits related to environmental and safety concerns in the 2000s and 2010s.