What is Hydraulic Fracturing? Oil and natural gas, which are hydrocarbons, reside in the pore spaces between grains of rock (called reservoir rock) in the subsurface. If geologic conditions are favorable, hydrocarbons flow freely from reservoir rocks to oil and gas wells. Production from these rocks is traditionally referred to as “conventional” hydrocarbon reservoirs. However, … Continue reading Hydraulic fracturing : What is hydraulic fracturing?