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Arthur Berman – The Biggest Red Herring In U.S. Shale

A red herring is something that takes attention away from a more important subject. Rig productivity and drilling efficiency distract from the truth that tight oil producers are losing money at low oil prices. Pad drilling allows many wells to be drilled from the same location by a single rig. Rig productivity reflects the increased volume of oil and gas …

ocean acidification

Greatest mass extinction driven by acidic oceans, study finds

Changes to the Earth’s oceans, caused by extreme volcanic activity, triggered the greatest extinction of all time, a study suggests. The event, which took place 252 million years ago, wiped out more than 90 per cent of marine species and more than two-thirds of the animals living on land. It happened when Earth’s oceans absorbed huge amounts of carbon dioxide …