The number of subsea wells has increased steadily to more than 5,500 by the end of 2012. Unfortunately, because of their location in deep water, interventions in subsea wells have typically required drilling rigs, and operators have been reluctant to perform interventions on these wells. Cost-effective riserless light well interventions (RLWIs) are crucial if subsea operators are to realize the full potential of 50% oil recovery (or more) from their subsea fields.
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