Uinta Basin

Marking the end of a 2-year existence, Riviera is preparing for liquidation and dissolution. The sale of its upstream and midstream assets for $146 million will deliver a $1.35-per-share cash dividend to shareholders. By the end of this year, the company will cease to exist.

In recent years there has been a spike of research to determine what the extent of emissions are from fracked oil and gas wells. While much discussion has surrounded methane emissions, a greenhouse gas, less attention has been paid to air toxics.