Gulf of Mexico, lease, sale, BOEM, western, oil, gas, Exxon Mobil, BHP Billiton, BP, bid

The lease sale generated just more than $18 million in bids.

Cairn Energy, Senegal, SNE, offshore, oil, gas, reservoir

The company is preparing for a third phase of exploration and appraisal drilling.

Cobalt International, Angola, sale, Sonangol, gas, Block 20, Block 21, oil, Gulf of Mexico, Timothy Cutt

The company is focusing on selling Angola assets, addressing liquidity and moving discovered resources into production by 2021.

diamond in the rough, oil, gas, Shell, reserves, mature, basin, Eni

Mature basins continue to represent a vital source of fresh reserves in a cautious climate.

Exxon Mobil, ExxonMobil, unconventionals, Guyana, Liza, shale, oil, gas, profit, loss, second-quarter

ExxonMobil saw its earnings fall in the second quarter to $1.7 billion, a nearly 60% drop from the same period in 2015.