WEEKLY EDITION

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Opec remains key player for oil prices

Throughout the two decades of Upstream coverage of oil news, Opec has kept a relatively steady production level accounting for roughly one-third of world output — albeit with prices fluctuating wildly from under $20 to almost $150 per barrel, writes Vahe Petrossian.


Landmark game-changers

From the dawn of ultra-deepwater drilling in the 90s through subsea breakthroughs and latterly FLNG development, technological innovations have advanced the industry in leaps and bounds