Modeling of Landslide–Tunnel Interaction: the Varco d’Izzo Case Study

Vassallo, Roberto / Mishra, Mayank / Santarsiero, Giuseppe et al. | Online Contents | 2019

Modeling of Landslide–Tunnel Interaction: the Varco d’Izzo Case Study

Vassallo, Roberto / Mishra, Mayank / Santarsiero, Giuseppe et al. | Online Contents | 2019

Top drives: AC versus DC - In a Q and A with Offshore, Varco comments on the controversial selection of top drive power sources.

Online Contents | 1999

CRANES, HOISTS, & WINCHES - Cylinder hoisting system sets standard for safety - Cylinder hoisting system technology has become a lot safer with the advent of the Cylinder Rig from National Oilwell Varco (NOV), which adds additional hoisting ropes to overcome the hazards of previous, single-rope designs.

Online Contents | 2009

CRANES, HOISTS, AND WINCHES SUPPLEMENT - New all-electric crane designed for floating rigs in harsh environments - National Oilwell Varco (NOV) is developing the company's latest all-electric king post cranes with AC variable-frequency drive. The cranes currently are in final assembly and testing in Molde, Norway.

Online Contents | 2007