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  2. List of free geology software - Wikipedia

    en.wikipedia.org/wiki/List_of_free_geology_software

    This is a list of free and open-source software for geological data handling and interpretation. The list is split into broad categories, depending on the intended use of the software and its scope of functionality. Notice that 'free and open-source' requires that the source code is available and users are given a free software license.

  3. Mineral tax - Wikipedia

    en.wikipedia.org/wiki/Mineral_tax

    The royalty tax is an indirect tax, and has been historically the most important mineral tax. [1] When the production starts, the tax is due. That generates up-front revenues for the government. A different approach of the royalty tax is, to impose it as a factor payment for extraction of minerals. [4]

  4. Petroleum fiscal regime - Wikipedia

    en.wikipedia.org/wiki/Petroleum_fiscal_regime

    The state can agree with the licensees to take it in kind or in cash. This arrangement applies to both crude oil and to natural gas, both in concessionary and contractual license systems. Production shares. The body of a production sharing contract layouts the production share between the contractor(s) and the state or its state-owned oil ...

  5. Petroleum licensing - Wikipedia

    en.wikipedia.org/wiki/Petroleum_licensing

    Petroleum licensing or exploration license is the act of giving licenses (geographical areas at land or sea) to a company or a joint venture allowing them to search for commercially feasible deposits for the extraction of petroleum.

  6. Oil and gas law in the United States - Wikipedia

    en.wikipedia.org/wiki/Oil_and_gas_law_in_the...

    The original owner of an oil and gas lease will sometimes retain an overriding royalty as part of a farmout agreement. For any oil and gas property, the total working interests must add up to 100%. The sum of the net revenue interests, royalty interests, and overriding royalty interests, must also add up to 100%.

  7. Nationalization of oil supplies - Wikipedia

    en.wikipedia.org/wiki/Nationalization_of_oil...

    On 13 March 1943, President Isaías Medina Angarita promulgated another Hydrocarbons Law, which established that from then on at least 10% of the crude oil had to be refined in Venezuela; the royalty or exploitation tax could not be less than 16.7%; the Venezuelan State received a 50% profit from oil exploitation and 12% of the income tax. New ...

  8. Alberta Royalty Review - Wikipedia

    en.wikipedia.org/wiki/Alberta_Royalty_Review

    Instead of getting the expected $2 billion per year increase, Alberta saw a $3 billion per year decrease. The decrease was composed of a $5 billion per year decrease in gas royalty partially offset by increases in oil royalty and oil sands royalty. [5] The total value of hydrocarbon production was about the same during each five-year period. [5]

  9. List of abbreviations in oil and gas exploration and production

    en.wikipedia.org/wiki/List_of_abbreviations_in...

    RSPP – a publicly-traded oil and gas producer focused on horizontal drilling of multiple stacked pay zones in the oil-rich Permian basin [citation needed] [clarification needed] RSS – rig site survey; RSS – rotary steerable systems; RST – reservoir saturation tool (Schlumberger) log; RTMS – riser tension monitoring system