05.07.2009
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.
A device with an orifice installed in a line to restrict the flow of fluids. Surface chokes are part of the Christmas tree on a well and contain a choke nipple, or bean, with a small-diameter bore that serves to restrict the flow. Chokes are also used to control the rate of flow of the drilling mud out of the hole when the well is closed in with the blowout preventer and a kick is being circulated out of the hole