oil-and-water trap
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Water contact — is a term used in the hydrocarbon industry to describe the elevation above which fluids other than water can be found in the pores of a rock. For example, in a traditional hand excavated water well, the level at which the water stabilizes… … Wikipedia
Water pollution — Raw sewage and industrial waste flows across international borders New River passes from Mexicali to Calexico, California. Water pollution is the contamination of water bodies (e.g. lakes, rivers, oceans and groundwater). Water p … Wikipedia
Oil gusher — An oil gusher (or just gusher ; also sometimes called a wild well ) is an uncapped oil well connected to a reservoir of petroleum oil that is under high pressure. The oil can shoot 200 feet (60 m) or higher into the air.… … Wikipedia
trap — I. noun Etymology: Middle English, from Old English treppe & Anglo French trape (of Germanic origin); akin to Middle Dutch trappe trap, stair, Old English treppan to tread Date: before 12th century 1. a device for taking game or other animals;… … New Collegiate Dictionary
tunnels and underground excavations — ▪ engineering Introduction Great tunnels of the world Great tunnels of the worldhorizontal underground passageway produced by excavation or occasionally by nature s action in dissolving a soluble rock, such as limestone. A vertical opening … Universalium
trap — trap1 [trap] n. [ME trappe < OE træppe, akin to treppan, to step, Ger treppe, stairway < IE * dreb , to run, step, trip (var. of base * drā ) > Pol drabina, ladder] 1. any device for catching animals, as one that snaps shut tightly when… … English World dictionary
Trap primer — A trap primer (or trap seal primer) is a plumbing device or valve that adds water to traps. The water seals in traps are needed to prevent sewer gases from entering buildings, but because this water is exposed to the air, it is subject to… … Wikipedia
Mathematics and Physical Sciences — ▪ 2003 Introduction Mathematics Mathematics in 2002 was marked by two discoveries in number theory. The first may have practical implications; the second satisfied a 150 year old curiosity. Computer scientist Manindra Agrawal of the… … Universalium
Josh Lewis and Reva Shayne — Jeva (for Josh and Reva) on internet message boards. Storyline Josh Lewis and Reva Shayne met while growing up in Tulsa, Oklahoma. Reva s family worked for the wealthy Lewis clan. They were childhood sweethearts until Josh left for college.… … Wikipedia
petroleum trap — Subsurface reservoir of petroleum. The oil is always accompanied by water and often by natural gas; all are confined in porous rock. The natural gas, being lightest, occupies the top of the trap and is underlain by the oil and then the water. A… … Universalium
Cold trap — For the atmospheric phenomenon, see Cold trap (astronomy). Cold trap immersed in cold medium in Dewar flask. Some workers prefer the opposite arrangement, where vapors flow down the wall of the trap, and are sucked up the inner tube; this reduces … Wikipedia
