natural hydrocarbon
121Suintement froid — Vers tubicoles à association symbiotique Lamellibrachia luymesi d un suintement froid à 550 m de profondeur dans le golfe du Mexique, dans les sédiments autour d un tapis orange de bactéries Beggiatoa spp. et des coquilles vides de palourdes et d …
122Energy crisis — An energy crisis is any great bottleneck (or price rise) in the supply of energy resources to an economy. It usually refers to the shortage of oil and additionally to electricity or other natural resources. An energy crisis may be referred to as… …
123Oil tanker — Supertanker redirects here. For the aerial firefighting aircraft, see Evergreen 747 Supertanker. The commercial oil tanker AbQaiq, in ballast Class overview Name …
124Methanol fuel — This article is about methanol used as a fuel. For other alcohols used as fuels, see Alcohol fuel. Methanol is an alternative fuel for internal combustion and other engines, either in combination with gasoline or directly ( neat ). It is used in… …
125Non-conventional oil — is oil produced or extracted using techniques other than the traditional oil well method. Currently, non conventional oil production is less efficient and some types have a larger environmental impact relative to conventional oil production. Non… …
126petrochemical — /pe troh kem i keuhl/, n. 1. a chemical substance obtained from petroleum or natural gas, as gasoline, kerosene, or petrolatum. adj. 2. of or pertaining to petrochemistry or a petrochemical. [1910 15; PETRO 2 + CHEMICAL] * * * Strictly, any of a… …
127extraterrestrial life — Introduction life that may exist or may have existed in the universe outside of Earth. The search for extraterrestrial life encompasses many fundamental scientific questions. What are the basic requirements for life? Could life have arisen… …
128Brown Dense (limestone) — The Brown Dense limestone is an informal name used by petroleum geologists for a layer of rock that lies beneath large parts of southern Arkansas and northwest Louisiana. The Brown Dense is a 300 to 500 foot thick interval within organic rich,… …
