"Deep-water developments are sensitive to production," she told the Nigerian Association of Petroleum Explorationists last week.
Inadequate room for manoeuvre within Abuja's Opec quota represents a major challenge "and both government and industry need to address this issue very seriously", she told delegates.
"Capped production can significantly impact the economics of a large project," she said.
Concern over the bankability of booked reserves under open-ended quota constraints is mounting among members of the influential Oil Producers' Trade Section of the Lagos Chamber of Commerce -- a lobby group comprising the state oil company's joint-venture partners.
She