Drilled shafts are high-capacity deep foundation systems, also known as drilled piers, caissons, bored piles, or cast-in-drilled-hole piles (CIDH). Drilled shafts for structural support can be installed by the dry (open hole), stabilizing polymer slurry, or steel-cased methods.
[pdf] The Athabasca oil sands, also known as the Athabasca tar sands, are large deposits of rich in , a heavy and viscous form of petroleum, in northeastern , Canada. These reserves are one of the largest sources of in the world, making Canada a significant player in the global energy market.
[pdf] Deepwater Horizon was an ultra-deepwater, dynamically positioned, semi-submersible offshore drilling rig owned by Transocean and operated by the BP company. On 20 April 2010, while drilling in the Gulf of Mexico at the Macondo Prospect, a blowout caused an explosion on the rig that killed 11 crewmen and ignited a fireball visible from 40 miles (64 km) away. The fire was inextinguisha. DesignDeepwater Horizon was a fifth-generation, RBS-8D design (i.e. model type), deepwater, , column-stabilized, semi-submersible , designed to drill wells for oil explorati. .
Deepwater Horizon was built for R&B Falcon (which later became part of ) by in , South Korea. Construction started in December 1998, the was laid on 21 March 200.
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