Much of Nigeria has come to a near-standstill after millions of workers walked out over rising fuel prices.
A US defence official says the US navy is planning an unusual task force deployment off the West African coast.
Defense officials have recently spoken of the need for security and stability in the Gulf of Guinea, in part because of the growing number of offshore oil operations there.
Libya has cemented its return to the international mainstream by resuming its former role as a supplier of oil to the US.
Off the West African coast, the sharks are circling the sleepy "chocolate islands" of Sao Tome and Principe, eager to bite off slices of billions of dollars of hoped-for oil revenues.
The gap between the promise of petroleum wealth and the perversity of its performance is enormous. Study after study demonstrates that, as a group, countries dependent on oil as their leading export have performed worse than other developing countries on a variety of economic indicators.
PetroPolitics Special Report: More than any other commodity, oil is the lifeblood of modern economies and the engine of military machines.
It's 2020, and the energy ministers of the Organization of Gas-Exporting Countries, known as OGEC, the umbrella for the dozen or so nations which dominate the market, gather in Madrid for their annual get-together to determine production quotas and price levels for the new primary energy source that fuels the global economy , natural gas, or more specifically, liquefied natural gas, known as LNG.
LONDON, Jan 20 (Reuters) - A huge explosion at the Skikda liquefied natural gas (LNG) plant in Algeria will hit the country's gas exports to southern Europe but importers played down the impact on Tuesday saying they had plenty of alternative suppliers