An abrupt drop in demand unlike any seen before has left the oil and gas industry “in unknown territory,” likely dashing the prospect of a quick recovery from the coronavirus pandemic and a global price war, analytics firm Enverus says in a new report. In the report, “The Dark Side of the Boom,” released Tuesday, Enverus, which provides data and intelligence to energy companies, has forecast an average price of $23 a barrel of oil for 2020.