Calfrac Well Services Ltd. is a provider of specialized oilfield services. The Company operates through four geographical segments: Canada, the United States, Russia and Latin America. Its services include hydraulic fracturing, coiled tubing, cementing and other well stimulation services. The Canadian segment provides fracturing and coiled tubing services to oil and natural gas exploration and production companies in Alberta, northeast British Columbia, Saskatchewan and southwest Manitoba. The United States segment provides pressure pumping services in Arkansas, Colorado, North Dakota, Pennsylvania and Texas. The Russian segment provides fracturing and coiled tubing services in Western Siberia. The Latin America segment provides pressure pumping services from operating bases in Argentina, Mexico and Colombia. In Argentina, the Company provides fracturing, cementing and coiled tubing services to oil and natural gas companies operating in the Neuquen, Las Heras and Comodoro regions.