1. Schlumberger, Schlumberger chairman and ceo andrew gould addressed the oil and gas investment community at the 33rd Annual Howard Weil Energy Conference on April 4, 2005 in New Orleans, Louisiana, USA, 2005.
2. Subsea Engineering Handbook;Bai,2010
3. C.A. Miller, Energy resources and policy: Vulnerability of energy resources and resource availability—fossil fuels (Oil, Coal, Natural Gas, Oil Shale).
4. US EPA (2014) inventory of US greenhouse gas emissions and sinks (1990–2012).
5. H. Devold, S. Taylor, Oil and gas-the energy we love to hate.