Estimated shale oil and shale gas resources in the United States and in 137 shale formations in 41 other countries represent 10% of the world’s crude oil and 32% of the world’s natural gas technically recoverable resources.
April 9, 2019 /
March 14, 2019 /
January 7, 2019 /
November 6, 2018 /
October 12, 2018 /
September 4, 2018 /
August 1, 2018 /
June 12, 2018 /
June 5, 2018 /
February 26, 2018 /
February 19, 2018 /
November 1, 2017 /
August 30, 2017 / Barron News-Shield
