05.07.2009

The physical location where a local distribution company measures and receives gas from an upstream pipeline company. Citygates are important market centers for the pricing of natural gas

The biggest US banks by assets. Citi is today’s pre-eminent financial services company which also provides extensive services to the oil and gas industry

A graphic display, with geologic time along the vertical axis and distance along the horizontal axis, to demonstrate the relative ages and geographic extent of strata or stratigraphic units in a given area. In addition, information from seismic data, well logs and rock samples, and biostratigraphic and lithostratigraphic information can be shown within each chronostratigraphic unit.

The recorder chart response to an analysis of a gas air mixture. A chromatogram records separated hydrocarbons in order of molecular size

Assembly of valves and fittings located at the head of a well to control flow of oil and gas.