The ratio reserves on production (RRP or R / P) is the remaining amount of a non-renewable resource, expressed in unit of time. Although applicable to all natural resources, the RRP is most often applied to fossil fuels, particularly oil and natural gas. The reserves (numerator of the report) is the amount of a resource known to exist in an area and which is economically recoverable (proven reserves). The production (denominator) is the amount of resource extracted per unit of time (usually in one year) at the current rate. RRR = quantity of known resources / quantity produced per year This report is used by companies and government agencies to provide for the future availability of a resource and determine the duration of the project, future income, employment, etc., and to determine whether more in-depth exploration should be undertaken. to ensure a continuous supply of the resource. The annual production of a resource can usually be calculated fairly precisely. However, reserves can...