Wellbore Pressure and Fluid Communication
Wellbore Pressure and Fluid Communication Associated with Hydraulic Fracturing
Wellbore pressure and fluid communication is the ability to detect pressure variations (increases or decreases) and fluid flows between wellbores during hydraulic fracturing. The ability to detect pressure pulses and fluid flow between oil and gas wells in conventional oil and gas producing formations is well known. Pressure pulses have been used by petroleum engineers and geologists for decades as an important tool to characterize and estimate various properties of producing formations and to determine remaining reserves. Fluid flow between wells is fundamental to enhanced oil recovery techniques in conventional formations, primarily water-flooding, which has been practiced essentially since the beginning of the oil industry and CO2 flooding, which has been practiced since the mid-1970’s.
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