Environment Risks, Intervention Costs Rise As Production Depths Go Ever-Deeper

Deep Water = Special Challenges“I see three big challenges we’re fighting to overcome in deepwater projects,” said Bill Donlon, Shenzi Subsea Team Lead for BHP Billiton, the world’s largest diversified resources company.In no particular order of relevance, Donlon listed key deepwater issues as including:1. Efforts to produce wells at greater distances from existing infrastructure or from reservoirs that need aquifer support and/or artificial lift. The economic driver for producing to existing infrastructure is the significant cost reduction of development (vs. building new facilities) and the proven operability of existing systems.2. The cost of subsea intervention...

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