Operators, service providers grapple with deepwater well interventions

Today’s deepwater well interventions usually require big drilling rigs to place and pull heavy risers, but engineers visualize vessel-based, rigless interventions in future.Demand for oil and natural gas is driving operators to search for new resources at greater depths. It’s no longer unusual to spend as much as $100-150 million to drill a well in 5,000-10,000 ft of water to reach reservoirs at 25,000-30,000 ft TVD.As these deepwater wells age and components wear, there will be an increasing need for deepwater intervention services and an increasing demand for cost-effective, rigless alternatives.Chevron, BP, and three technology providers discussed deepwater interventions at...

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