SITTING ON TOP—The Keyes 301, the second L-780 self-elevating offshore drilling unit to be built for Keyes Offshore Companies, Houston, Texas, by Ingalls Shipbuilding, Pascagoula, Miss., is jacked to the top of its 390-foot legs during successful testing operations prior to recent delivery. The unit is now drilling for ARCO Oil and Gas Company off the Louisiana coast. Ingalls, the third largest rig builder in the country, has 14 additional units under contract, including two more for Keyes.