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Proven reserves (also called measured reserves, 1P, and reserves) is a measure of fossil fuel energy reserves, such as oil and gas reserves and coal reserves. It is defined as the "quantity of energy sources estimated with reasonable certainty, from the analysis of geologic and engineering data, to be recoverable from well established or known ...
[10] [11] Proven reserves may be referred to as proven developed (PD) or as proven undeveloped (PUD). [11] [12] PD reserves are reserves that can be produced with existing wells and perforations, or from additional reservoirs where minimal additional investment (operating expense) is required (e.g. opening a set of perforations already ...
Because proven reserves include oil recoverable under current economic conditions, nations may see large increases in proven reserves when known, but previously uneconomic deposits become economic to develop. In this way, Canada's proven reserves increased suddenly in 2003 when the oil sands of Alberta were seen to
CORRECTING and REPLACING ZaZa Energy Updates Proved Reserves for Eagle Ford Trend Assets Outlines Indicative 2013 Budget for Eagle Ford and Eaglebine Development HOUSTON--(BUSINESS WIRE)-- First ...
Range Proved Reserves Increase 29% to 6.5 Tcfe FORT WORTH, Texas--(BUSINESS WIRE)-- RANGE RESOURCES CORPORATION (NYSE: RRC) announced today that its proved reserves as of December 31, 2012 ...
Vanguard Natural Resources Reports Record Adjusted EBITDA, Production and Proved Reserves for 2012 and 2013 Guidance HOUSTON--(BUSINESS WIRE)-- Vanguard Natural Resources, LLC (NYS: VNR ...
Mineral Reserves are subdivided in order of increasing confidence into Probable Mineral Reserves or Proved Mineral Reserves. A Probable Mineral Reserve is the economically mineable part of an Indicated Mineral Resource, and in some circumstances, a Measured Mineral Resources. It includes diluting material and allowances for losses which may ...
In financial accounting, reserve always has a credit balance and can refer to a part of shareholders' equity, a liability for estimated claims, or contra-asset for uncollectible accounts. A reserve can appear in any part of shareholders' equity except for contributed or basic share capital.