Mr Goehring will serve as an executive assistant to the president and chief executive officer through the end of 2008, facilitating various special projects.

Mr Goehring joined the company in 1987 as manager of taxation and was promoted to chief financial officer in March 1992. He was also promoted to executive vice president in 2004.

Robert Heinemann, president and CEO, said: Ralph has been an instrumental part of the success of Berry Petroleum Company over the past 20 years. He has participated in Berry’s entire journey from the company’s initial public offering in 1989, its growth in California and Berry’s expansion into the Rockies while building a strong financial foundation for the company.