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Working interest is the ownership interest that would require the participation in production expenses. [3] Mineral interest is the percentage of real property interest after severance of oil and gas from surface rights. [4] Tract participation factor is the number of lease acres of the lessor divided by total number of acres. [5]
Mineral processing is the process of separating commercially valuable minerals from their ores in the field of extractive metallurgy. [1] Depending on the processes used in each instance, it is often referred to as ore dressing or ore milling .
There are various terms describing ownership interests in an oil or gas well. An interest signifying a duty to pay expenses is called: Working Interest: the share of well drilling or operating expenses paid. The owner of a working interest will also own a corresponding, but usually lower, net revenue interest. Interests in receiving income include:
New regulations and a process of legislative reforms aim to improve the harmonization and stability of the mining sector in mineral-rich countries. [86] New legislation for mining industry in African countries still appears to be an issue, but has the potential to be solved, when a consensus is reached on the best approach. [ 87 ]
A business process, business method, or business function is a collection of related, structured activities or tasks performed by people or equipment in which a specific sequence produces a service or product (that serves a particular business goal) for a particular customer or customers. Business processes occur at all organizational levels ...
The possibility of using microorganisms in biomining applications was realized after the 1951 paper by Kenneth Temple and Arthur Colmer. [9] In the paper the authors presented evidence that the bacteria Acidithiobacillus ferrooxidans (basonym Thiobacillus ferrooxidans) is an iron oxidizer that thrive in iron, copper and magnesium-rich environments. [9]
These include machinery, tools, and buildings. They are of two types, fixed and working. Fixed are one time investments like machines, tools and working consists of liquid cash or money in hand and raw material. The classical economists also employed the word "capital" in reference to money.
Giurco et al. (2009) [8] indicate that the debate about how to analytically describe resource depletion is ongoing. Traditionally, a fixed stock paradigm has been applied, but Tilton and Lagos (2007) [9] suggest using an opportunity cost paradigm is better because the usable resource quantity is represented by price and the opportunity cost of using the resource.