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  2. Mineral resource classification - Wikipedia

    en.wikipedia.org/wiki/Mineral_resource...

    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 ...

  3. McKelvey diagram - Wikipedia

    en.wikipedia.org/wiki/McKelvey_diagram

    The terminology used may vary somewhat, [6] [7] but resources in a McKelvey diagram fall into three main areas: [8] Reserves, which are already discovered and commercially-viable mineral deposits, [8] [1] Contingent [8] or conditional [1] resources, whose existence is known but which are not commercially viable at present,

  4. United Nations Framework Classification for Resources

    en.wikipedia.org/wiki/United_Nations_Framework...

    Classification and management of natural resources such as minerals and petroleum are classified using differing schemes. [4] [5] In 1997, UNECE published the United Nations Framework Classification for Reserves and Resources of Solid Fuels and Mineral Commodities (UNFC-1997) as a unifying international system for classifying solid minerals and fuels. [6]

  5. Mineral resource estimation - Wikipedia

    en.wikipedia.org/wiki/Mineral_resource_estimation

    A Mineral Reserve is the economically mineable part of a Measured or Indicated Mineral Resource demonstrated by at least a Preliminary Feasibility Study. This Study must include adequate information on mining, processing, metallurgical, economic and other relevant factors that demonstrate, at the time of reporting, that economic extraction can ...

  6. Unconventional (oil and gas) reservoir - Wikipedia

    en.wikipedia.org/wiki/Unconventional_(oil_and...

    Schematic unconventional reservoir classification expressed as fluid energy vs flow potential based on initials without stimulation. Unconventional (oil and gas) reservoirs, or unconventional resources (resource plays) are accumulations where oil and gas phases are tightly bound to the rock fabric by strong capillary forces, requiring specialized measures for evaluation and extraction.

  7. PERC Reporting Standard - Wikipedia

    en.wikipedia.org/wiki/PERC_Reporting_Standard

    Logo of the PERC - PAN-EUROPEAN RESERVES + RESOURCES REPORTING COMMITTEE . The PERC Standard for Reporting of Exploration Results, Mineral Resources and Mineral Reserves (the ‘PERC Reporting Standard’) [1] sets out the minimum standards, as well as additional guidelines and recommendations for the Public Reporting of Exploration Results, Mineral Resources and Mineral Reserves within Europe.

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  9. Oil and gas reserves and resource quantification - Wikipedia

    en.wikipedia.org/wiki/Oil_and_gas_reserves_and...

    Resource estimates are undiscovered volumes, or volumes that have not yet been drilled and flowed to surface. A non-reserve resource, by definition, does not have to be technically or commercially recoverable and can be represented by a single, or an aggregate of multiple potential accumulations, e.g. an estimated geological basin resource. [14]

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