Mr Watkins has 24 years of experience in US and international oil and gas development, operations and engineering management. He previously served in various senior positions, including senior vice president of operations, production manager, head of production engineering, long range business planner and well integrity coordinator.

Mr Williams has 30 years of oil and gas finance and accounting experience. Prior to joining Sonoran in April, he served as a consultant with Sirius Solutions providing Sarbanes Oxley compliance services to oil and gas clients. His prior experience includes 15 years with BP Amoco, where he held a number of managerial positions in Tulsa, Houston and Chicago.

Peter Rosenthal, chairman and CEO, said: These promotions demonstrate our commitment to our management team to acknowledge and reward hard work, dedication and positive results. Ralph and Andrew each bring their own unique strengths and abilities to their respective positions, and I look forward to continuing to work closely with each of them as we grow the company.