Western Energy Services Corp. is an oilfield service company, which engages in the provision of contract drilling services. It operates through the Contract Drilling Services and Production Services segments. The Contract Drilling Services segment includes Horizon and Stoneham drilling. The Production Services segment comprises well servicing rigs and renting of oilfield equipment. The company was founded by Alex R.N. MacAusland and Jeffrey K. Bowers on March 18, 1996 and is headquartered in Calgary, Canada.