Revenue grew 38% and 35% for the three month period and year ended December 31, 2012, respectively, as a result of increased customer adoption of our onsite service model. We are engaged primarily in short-term or project based work, which may vary from quarter-to-quarter. Similar to our model in other regions, the strategy is to secure projects that can be converted into contracts. We currently have one Eastern Onsite operating contract.
Heavy Oil
Our heavy oil services business began 17 years ago with facilities at Hughenden and Elk Point, Alberta. This business has expanded from processing heavy oil in our facility network to operating equipment on customers' sites. Leveraging our facilities as staging areas, we deliver a broad range of specialized services at numerous customer sites. Heavy Oil revenue is generated by facilities services which includes the processing and disposal of oilfield-generated wastes, including water disposal and landfilling as well as the sale of recovered crude oil for our account. The balance of Heavy Oil revenue is generated from specialized onsite services for heavy oil producers under projects and contracts.
Heavy Oil facility revenue has an established customer base; however, performance is affected by the amount of waste generated by producers and the sale of crude oil recovered to our account. These streams vary due to volatility in the price of heavy oil and drilling activity. To address this volatility, over the past four years we have worked with customers to develop specialized onsite services where revenue is based on processed volumes, eliminating our exposure to crude oil prices for these services. In addition, these services create cost savings and provide more environmentally beneficial solutions for our customers. Growth in the business unit will come from our ability to attract and retain customers as new heavy oil operations come on stream.
Q4 2012 Heavy Oil revenue increased 43% compared to Q4 2011. Processing under our MFT contract drove the increase that was tempered by lower waste volumes received at our facilities and the impact of lower pricing received for our recovered crude oil product. Recovered crude oil volumes increased 12% over prior year due to processing higher oil content waste. Waste volumes decreased 26% due to lower oilfield activity. Price per barrel received declined 23% compared to prior year.
For the year, revenue increased 37% compared to 2011, driven by our MFT contract, increased demand for our services and increased recovered crude oil volumes. Recovered crude oil volumes increased 13% over 2011 due to processing higher oil content waste.
To date, we have nine Heavy Oil contracts, seven of which were operating in Q4 2012. Contracts now generate 9% of total revenue compared to 3% in 2011.
Three months ended Year ended December 31, December 31, 2012 2011 % change 2012 2011 % change----------------------------------------------------------------------------Waste processing volumes ('000 m3) 146 197 (26) 655 615 7Recovered crude oil ('000 bbl)(1) 55 49 12 216 191 13Average crude oil price received (CDN$/bbl) 60.42 78.02 (23) 65.51 70.91 (8)Recovered crude oil sales ($ millions) 3.3 3.9 (15) 14.1 13.5 4Bow River Hardisty (CDN$/bbl)(2) 75.18 89.46 (16) 78.02 83.57 (7)----------------------------------------------------------------------------
