formation gas

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• Gas core reactor rocket — Gas core reactor rockets are a conceptual type of rocket that is propelled by the exhausted coolant of a gaseous fission reactor. The nuclear fission reactor core may be either a gas or plasma. They may be capable of creating specific impulses of …   Wikipedia

• Gas depletion — is the inescapable result of extracting and consuming natural gas since it is a nonrenewable natural resource. The number of years of natural gas left is estimated by the ratio of proven natural gas reserves to the current consumption rate.… …   Wikipedia

• Gas lift — is one of a number of processes used to artificially lift oil or water from wells where there is insufficient reservoir pressure to produce the well. The process involves injecting gas through the tubing casing annulus. Injected gas aerates the… …   Wikipedia

• Gas gangrene — Classification and external resources Photograph before right leg amputation (hemipelvectomy) of a patient with gas gangrene. The right thigh is swollen, edematous and discoloured with necrotic bullae (large blisters). An impressive crepitation… …   Wikipedia

• Gas well deliquification — Gas well deliqufication, also referred to as gas well dewatering , is the general term for technologies used to remove water build up from producing gas wells.When natural gas flows to the surface in a producing gas well, the gas carries liquids… …   Wikipedia

• Gas cluster ion beam — Gas Cluster Ion Beams (GCIB) is a new technology for nano scale modification of surfaces. It can smooth a wide variety of surface material types to within an angstrom of roughness without subsurface damage. It is also used to chemically alter… …   Wikipedia

• Gas separation — Gas mixtures can be effectively separated by synthetic membranes. For other methods see adsorption, absorption, cryogenic distillation. Membranes are employed in: * separation of hydrogen from gases like nitrogen and methane * recovery of… …   Wikipedia

• gas|tro|nome — «GAS truh nohm», noun. an expert in gastronomy; epicure: »For a gastronome there may be one day, and one day only, on which a cheese is right for eating (J. A. Barnett). ╂[< French gastronome, back formation < gastronomie; see etym. under… …   Useful english dictionary

• Formation and evolution of the Solar System — Artist s conception of a protoplanetary disk The formation and evolution of the Solar System is estimated to have begun 4.568 billion years ago with the gravitational collapse of a small part of a giant molecular cloud …   Wikipedia

• Gas porosity — Determining the true porosity of a gas filled formation has always been a problem. While gas is a hydrocarbon, similar to oil, the physical properties of the fluids are very different, making it very hard to correctly quantify the total amount of …   Wikipedia

• Formation evaluation — In petroleum exploration and development, formation evaluation is used to determine the ability of a borehole to produce petroleum. Essentially, it is the process of recognizing a commercial well when you drill one .Modern rotary drilling usually …   Wikipedia