Over-the-counter transaction; Over the counter contract

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 …

Ozone

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.

Packer

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

Paleoseismicity

Paleoseismicity refers to earthquakes recorded geologically, most of them unknown from human descriptions or seismograms. Geologic records of past earthquakes can include faulted layers of sediment and rock, injections of liquefied sand, landslides, abruptly raised or lowered shorelines, and tsunami deposits.