translate English to French: Operating costs – exploration, development and production have risen from about $10 per barrel in 2000 to as much as $20-30 today. Going to such extremes to look for oil is still far from easy.
Le coût technique (exploration, développement et production) de ce pétrole, qui était d’environ 10 dollars en 2000, peut atteindre aujourd’hui entre 20 et 30 dollars le baril.