Oil produced from shale reservoirs drove record crude output in the U.S. over the past decade, but inefficiencies in extraction often leave as much as 90% of the oil behind, according to the federal ...

LONDON, June 12 (Reuters) - Shale gas supporters say it can cut greenhouse emissions by replacing dirtier fuels such as coal, but critics warn it is worsening climate change due to methane leaks from ...

Shale wells decline fast, forcing constant drilling—the “Red Queen” effect—with many losing 70–90% of output in three years. The IEA says global fields are depleting faster than thought, so most ...

LUFKIN, Texas/LONDON (Reuters) - In the pine forests of eastern Texas, oilfield workers equipped with virtual-reality goggles are helping BP's shale business turn a profit for the first time.

If successful, these field labs could help Pemex tap shale gas and oil near its heavily industrialised northern desert area and give it some of the critical mass it needs to double gas production to ...

China's state-owned Sinopec has achieved a major milestone in the country's deep shale gas exploration with the successful drilling of the Hongye 9HF appraisal well in Hubei province. China’s ...

The UK’s only two shale wells are to be abandoned, ending more than a decade of controversy over fracking in this country. Energy company Cuadrilla said the UK Government’s Oil and Gas Authority(OGA) ...