Special Report: Vegetable esters make drilling fluids more environmentally friendly

Vegetable ester-based drilling fluids may satisfy demanding technical criteria and strict environmental standards for offshore work.The rising world energy demand has led to exploration for oil and gas in increasingly challenging environments. Exploration has extended into sensitive regions, particularly offshore. Wells drilled in deep water that are increasingly deviated, extended wells encountering borehole instability, and challenging geological formations are some of the drilling obstacles. The trend to reduce environmental impact has steadily increased over the last decade. Vegetable ester-based drilling fluids, derived from palm oil or palm kernel oil, satisfy both technical drillin...

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