Dean E. Gaddy Drilling Editor
The Glomar Explorer (Fig. 1) [376,246 bytes]
The riser elevator serves to bring 27-ton, 75-ft riser sections from within the ship's hold up to the main deck. Teamwork between the crane operator and assistant driller, both out of sight from one another, is important for smooth operations. The skate cart, located on the far left end, serves as an anchoring device as the riser is brought onto the drill floor (Fig. 2). [44,820 bytes]
Varco's PRS-4I pipe-handling system allows the Glomar Explorer to handle BHAs and casing strings offline. The upper arm contains a li...