Anadarko is the world's largest independent E&P company and is currently the most active driller in North America. It is likely to retain that distinction with $1.1 billion of its $2.8 billion capex budget for 2001 earmarked for North American development projects and $750 million to North American exploration.

Anadarko chief executive Robert Allison has been given credit for last year's acquisition of Union Pacific Resources in a $4.4