Hydraulic fracture seal failure affects all rock types, but the fracture gradient is a function of rock type and basin. Usually hydraulic fracturing limits the petroleum column height during [[Calculating charge volume|charging]] instead of destroying [[accumulation]]s after charging. This occurs where accumulations are charged during times of peak [http://www.glossary.oilfield.slb.com/en/Terms/g/geopressure.aspx geopressure] so the trap capacity is minimal. Charging occurs during times of peak geopressure because both charging and geopressure are a response to high sedimentation and heating rates. | Hydraulic fracture seal failure affects all rock types, but the fracture gradient is a function of rock type and basin. Usually hydraulic fracturing limits the petroleum column height during [[Calculating charge volume|charging]] instead of destroying [[accumulation]]s after charging. This occurs where accumulations are charged during times of peak [http://www.glossary.oilfield.slb.com/en/Terms/g/geopressure.aspx geopressure] so the trap capacity is minimal. Charging occurs during times of peak geopressure because both charging and geopressure are a response to high sedimentation and heating rates. |