Stewart & Stevenson Services, Inc., Houston, has announced that it now has $75 million in orders for five barge drilling rigs to be delivered between May 1981 and March 1982. The rigs are designed for drilling in water depths up to 25 feet. They feature complete systems from Stewart & Stevenson, including diesel electric power and switchgear.

Stewart & Stevenson is the prime contractor for all five drilling rigs. They are being built for Temple Drilling Company, Phoenix Management Corporation, Blocker Energy International, JHJ Drilling Company, and Anderson-Barnett Drilling Company.