The salvage work to raise the Perro Negro 6 rig from the ocean floor off the coast of Angola will not be complete until March 2015 according to Boskalis, the company removing the rig. The rig, contracted to Chevron, sank in July 2013 when it was being positioned to bore a tunnel for a gas […]

Saipem S.p.A. reported that the Perro Negro 6 sank offshore Angola after the seabed collapsed under one of the rig’s three legs. The rig sank the night of July 1 while being positioned for drilling operations near the mouth of the Congo River The workers on the rig totaled 103 when the rig suddenly tilted […]