The fractures represent mechanical failures of the rock strength to natural geological stresses such as tectonic ... supports the weight of the overburden rock. Although petroleum reservoir rocks can ...

When natural gas from deep underground reservoirs escapes from cracks in the rock, it can sometimes burn autonomously for ...

Many of present-day producing naturally fractured reservoirs have been accidentally discovered when looking for some other type of reservoir. Some years ago McNaughton and Garb (1975) estimated that ...

and enhanced oil recovery does not work well in such naturally fractured reservoirs. Having tried using gas to enhance recovery, “without a contained reservoir, the gas just goes into the ...