... drillstring design well control reservoir characterization real time system simulation hydrostatic pressure scenario fracture annular space hydraulic simulation seawater cap martin cap technique and monitoring system dual-fluid annular interface depth dual gradient mud cap technique offshore...

... system that leverages multiple technologies simultaneously. Abstract In an effort to enhance safety and efficiency in offshore drilling operations, this research addresses critical gaps in the current understanding and application of leading indicators for Loss of Well Control (LOWC) events...

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..., balancing mud weight is critical to prevent this from happening. Other uncertainty includes losses, which may trigger well control situation. This paper discusses the value presented to overcome these challenges by utilizing a versatile remotely activated downhole tool for flow diversion into the annulus...

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... space between the casing and the open hole. This strengthens the wellbore with plastering, or smearing, of the drill cuttings into the wellbore wall while simultaneously providing improved dynamic well control protection. In this single well barrier environment, Riserless Casing Drilling provides influx...

... the construction of wells with almost inexistent operational window to be drilled on a repeated and reliable basis. The expansion of the use of MPD for well control practices is relatively new but allows safer and quicker actions on the event of an influx. New forms of MPD usage are not limited to drilling...

... This ad hoc process resulted in multiple operational issues during early deepwater RLWI operations, including hydrate formation in well control equipment (lubricator and pressure control head flowtubes), circulation hose collapses, and gauge failures. Due to these failures, a defined assurance...

... bore is being drilled. Lost Circulation events can represent well control issues, significant drilling fluid costs, lost time in controlling and/or remedial curing operations. These issues are documented to add millions to the cost of drilling operations annually. Lost Circulation is described using...

... properties. Modern data analytics can be used to derive universally-applicable (play-agnostic) expressions presented in a practical format, easy for well control engineers to use in post-blowout decision-making, or even in pre-spudding contingency planning. It has to be noted that this study did not assess...

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..., wellbore mechanics, and the surface equipment’s operating limits. Due to the unique set of challenges for each blowout, a well-intervention method that proved effective in one scenario might not be the optimal for the next—it could lead to failure, or be unimplementable. Proper response to a well-control...

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... that the time for fracture propagation to reach the mudline is longer than the time to drill a relief well and have the well controlled. When considering a situation of a fracture propagation in a blowout scenario after capping and controlling the well there are two main possibilities: (I) a shallow reservoir...

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