Tag Archives: Historical Data

Calculations to determine reserve values

There are two primary ways to determine reserve quantities: the volumetric method and decline curve analysis. The volumetric method This calculation is derived from the formulae – Gas-in-Place = 43,560 * A * H * f * Sg * Bg Reserves = (Recovery Factor) * (Gas-in-Place) This method may appear to be fairly ironclad until […]

Water Deregulation Report 2008

Water Deregulation Report 2008 – Historical NRG Expert Energy Data Series Although the absolute figure looks large, the water and waste sector lags sadly behind other the infrastructure sectors in the private investment it receives. By the end of 2006 526 PSP projects worth a cumulative total of $53 billion had been closed in the […]