Conoco and R&B Falcon Corp.'s Deepwater Pathfinderultra-deep-water drillship began a five-year work program in theGulf of Mexico. The ship, which is the first new vessel capable ofdrilling in 10,000 feet of water, will fulfill a $400 milliondrilling program for Conoco. The ship is expected to drill up tofour wells in its first year of operation, with the firstexploratory well being drilled at Garden Banks Block 783. Conocohas interests in 295 deep-water leases.