oil trap
71Petroleum reservoir — A petroleum reservoir, or oil and gas reservoir, is a subsurface pool of hydrocarbons contained in porous or fractured rock formations. The naturally occurring hydrocarbons, such as crude oil or natural gas, are trapped by overlying rock… …
72Mathematics 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… …
73Chronology of Provisional Irish Republican Army actions (1980-1989) — This is a chronology of activities by the Provisional Irish Republican Army (IRA) from 1980 to 1989. For actions before and after this period see Chronology of Provisional Irish Republican Army actions. Incidents resulting in at least three… …
74Piège écologique — La notion de « piège écologique » (ecological traps pour les anglophones) désigne les situations dans lesquelles une modification, rapide et anthropique de l environnement conduit certains organismes à être irrésistiblement attirés par… …
75Characters of Supernatural — Jensen Ackles as Dean Winchester (left) and Jared Padalecki as Sam Winchester (right) Supernatural is an American television drama/thriller series created by writer and producer Eric Kripke, and was initially broadcast by …
76Chronology of Provisional Irish Republican Army actions (1990-1999) — This is a chronology of activities by the Provisional Irish Republican Army (IRA), from 1990 to 1999. For actions before and after this period see Chronology of Provisional Irish Republican Army actions. Incidents resulting in at least three… …
77List of Dallas episodes — This is a list of episodes of the soap opera Dallas. The original miniseries from 1978 was labeled as Season One when the series was initially released on DVD in 2004. Although Season One officially began with episode that aired September 23,… …
78Blowout (well drilling) — A blowout is the uncontrolled release of crude oil and/or natural gas from an oil well or gas well after pressure control systems have failed.[1] Prior to the advent of pressure control equipment in the 1920s, the uncontrolled release of oil and… …
79Life Sciences — ▪ 2009 Introduction Zoology In 2008 several zoological studies provided new insights into how species life history traits (such as the timing of reproduction or the length of life of adult individuals) are derived in part as responses to… …
80The ClueFinders 3rd Grade Adventures: The Mystery of Mathra — Cover of The ClueFinders 3rd Grade Adventures: The Mystery of Mathra Developer(s) The Learning Company …
