This paper studies how drilling costs are affected by the business cycle. We decompose the major elements in these costs - rig rates and drilling speed - and examine how they interact with variations in oil prices. A highly relevant consideration in the current circumstances is whether oil...

Oil and gas reserves are the most important assets of oil and gas companies. A source of confusion for investors in oil companies is that reserves quantities and values are uncertain estimates. Reserves are typically classified according to probabilities of recovery from underground reservoirs....

What significance will developments in shale gas production have for European gas prices? Some commentators paint a gloomy picture of the future gas markets. But most forecasts for the oil market are positive. Consequently, a view appears to prevail that price trends will differ sharply between...