DRILLING RISER INTEGRITY ASSURANCE FOR DEEPWATER FLOATING DRILLING

Drilling rig deepwater horizon

Drilling rig deepwater horizon

Deepwater 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. . At 7:45 p.m. on 20 April 2010, during the final phases of drilling the exploratory well off the gulf of Mexico, a geyser of seawater erupted from the onto the rig, shooting 70 metres (230 ft) into the air. This wa. . Transocean received an early partial insurance settlement for total loss of the Deepwater Horizon of US$401 million about 5 May 2010. noted that the insurance recovery was likely to be more than t. [pdf]

Offshore drilling rig riser

Offshore drilling rig riser

A drilling riser is a conduit that provides a temporary extension of a to a surface drilling facility. Drilling risers are categorised into two types: marine drilling risers used with subsea (BOP) and generally used by floating drilling vessels; and tie-back drilling risers used with a surface BOP and generally deployed from or very stable floating platfor. [pdf]

Optimize drilling operations for floating rigs

Optimize drilling operations for floating rigs

While the mechanics of drilling a well are very similar for floating, bottom-founded and onshore operations, the po-tential safety and environmental consequences of an inci-dent ofshore,. . Another proactive step typically taken to mitigate the in-creased risks of ofshore operations is a shallow hazard assessment, which will examine the risks that might be. . Simultaneous operations plans (SIMOPs) are developed to consider additional risks that occur when two work activities are being done at the same time within close proximity to one another. Communication of SIMOPs risks and hazards during floating drilling. . Several proactive steps are typically taken to mitigate the in-creased risks of ofshore operations. One of these proactive measures is an environmental impact assessment (EIA), a. . Hazard assessments are also conducted for ofshore safe-ty concerns. Safety cases identify the hazards and risks of various operations, and then document how the risk is controlled and. [pdf]

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