A device that can be put into the wellbore with an initially smaller diameter that then expands to seal the wellbore. (2) A downhole device used in nearly every completion to isolate the annulus from the production conduit, enabling controlled production, injection or treatment
A molecule made up of three atoms of oxygen. In the stratosphere, it occurs naturally and provides a protective layer shielding the Earth from ultraviolet radiation and subsequent harmful health effects on humans and the environment.
Fuels that have been reformulated to include alcohols such as ethanol and methanol or others such as MTBE
Redox reactions are a family of reactions that are concerned with the transfer of electrons between species
This represents the interest of the owners in a project represented by capital contributions and retained earnings. >
A geological system of faults and basins in which geologic forces have thrust layers of older rock above strata of newer rock that might contain oil or natural gas
A security traded in some context other than on a formal exchange such as the NYSE, TSX, AMEX, etc. In general, the reason for which a stock is traded over-the-counter is usually because the company is small, making it unable to meet exchange listing requirements.
In so far as gas is concerned, this represents a firm commitment to buy or sell a uniform quantity of gas in the following trading day (OTC DA contract).
The day ahead product is the most liquid contract across all the gas hubs.
Gas taken by a consumer after a supply contract end date normally attracting higher charges
