Total drills first North Sea well with RMR

Total E&P UK PLC recently used riserless mud recovery (RMR) technology in a dual-gradient, top-hole drilling system to drill a well on the Jura West 3/15-10 prospect.The recently completed well was drilled with the Sedco 714 semisubmersible rig in 113 m of water and Total was the first to use the new technology in the North Sea.RMR technology was developed by Ability Subsea AS as a means of recirculating and reusing drilling fluids. Benefits of the technology include cost savings from reduced operating time and reduced environmental impact from avoided discharges to the sea. RMR allows for more controlled handling and disposal of drill cuttings. Riserless mud recovery (RMR) technolog...

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