Initial report Ocean Drilling Program ... 841) gave good service while adequate battery power was maintained. ... were no major problems with rig floor or engine room equipment during Leg 142, although a lot of preventive maintenance work was accomplished during the two long transit periods. ... The top drive had been in service since 1984, and a change-out and overhaul was deemed long overdue .
|Title||:||Proceedings of the Ocean Drilling Program|
|Author||:||Ocean Drilling Program|