Canadian Sub-Surface
| Public | |
| Industry | Oil and Gasoline |
| Founded | 2004 |
| Headquarters |
 Calgary, Alberta |
Key people | Brad Gabel, President & CEO, Ian Cameron, Vice President & COO |
| Products | Oil field services |
| Revenue |
 $49.428 million CAN (2005) |
Number of employees | 300 (2005) |
| Website | www.cansub.com |
Canadian Sub-Surface Energy Services Corp., formerly headquartered in Calgary, Alberta, offered a range of oil field services related to production and operation. The company provided cased-hole wireline, production testing and related services to oil and gas companies operating in the Western Canadian Sedimentary Basin. The company's shares were acquired by Pure Energy Services Ltd. effective June 22, 2009 on the basis of 0.3017 shares of Pure Energy for each share of Canadian Sub-Surface.[1]