oil wells

Concerns that some small earthquakes in the US state of Ohio may have formed from sewage generated during the use of fracking has forced one to shut down an extraction well. oil,

US oil company ConocoPhilips today announced it will set up a special fund to address the aftermath of the oil spill in Bohai Bay, after receiving a suspension decision.

Researchers at Rice University in the United States have been able to produce efficient, environmentally-friendly drilling fluids from graphene.

The exact map of a large underground oil field was developed to direct engineers' efforts to bring oil from large rocks into wells so that the oil could be pumped up for storage or