Chevron Corp...will keep its stake in a natural gas project in Myanmar, defying calls to leave following a crackdown on protesters by the country's ruling junta. The people around the Yadana gas project and pipeline have benefited from jobs and investments in health care and education, Chief Executive David O'Reilly said today... [also refers to Total, Unocal (now part of Chevron), Texaco (now part of Chevron), Premier Oil, Petroliam Nasional Bhd (Petronas)]