oil-producing formation
91Ecuador — Ecuadoran, Ecuadorean, Ecuadorian, adj., n. /ek weuh dawr /, n. a republic in NW South America. 11,690,535; 109,483 sq. mi. (283,561 sq. km). Cap.: Quito. * * * Ecuador Introduction Ecuador Background: The Republic of the Equator was one of three …
92United Nations — 1. an international organization, with headquarters in New York City, formed to promote international peace, security, and cooperation under the terms of the charter signed by 51 founding countries in San Francisco in 1945. Abbr.: UN Cf. General… …
93natural gas — a combustible mixture of gaseous hydrocarbons that accumulates in porous sedimentary rocks, esp. those yielding petroleum, consisting usually of over 80 percent methane together with minor amounts of ethane, propane, butane, nitrogen, and,… …
94petroleum — petroleous, adj. /peuh troh lee euhm/, n. an oily, thick, flammable, usually dark colored liquid that is a form of bitumen or a mixture of various hydrocarbons, occurring naturally in various parts of the world and commonly obtained by drilling:… …
95Colombia — Colombian, adj., n. /keuh lum bee euh/; Sp. /kaw lawm byah/, n. a republic in NW South America. 37,418,290; 439,828 sq. mi. (1,139,155 sq. km). Cap.: Bogotá. * * * Colombia Introduction Colombia Background: Colombia was one of the three countries …
96United Arab Emirates — an independent federation in E Arabia, formed in 1971, now comprising seven emirates on the S coast (formerly, Pirate Coast or Trucial Coast) of the Persian Gulf, formerly under British protection: Abu Dhabi, Dubai, Sharjah, Ajman, Umm al Qaiwain …
97Saudi Arabia — a kingdom in N and central Arabia, including Hejaz, Nejd, and dependencies. 20,087,965; ab. 600,000 sq. mi. (1,554,000 sq. km). Cap.: Riyadh. Cf. Mecca. * * * Saudi Arabia Introduction Saudi Arabia Background: In 1902 Abd al Aziz Ibn SAUD… …
98petroleum engineering — Introduction the branch of engineering that involves the development and exploitation of crude oil and natural gas fields as well as the technical analysis and forecasting of their future performance. Its origins lie in both mining… …
99Drilling mud — In geotechnical engineering, drilling mud, also known as spud mud (when beginning the drilling process), is a drilling fluid used to drill boreholes into the earth. Often used while drilling oil and natural gas wells and on exploration drilling… …
100Angola — Angolan, adj., n. /ang goh leuh/, n. a republic in SW Africa: formerly an overseas province of Portugal; gained independence Nov. 11, 1975. 10,623,994; 481,226 sq. mi. (1,246,375 sq. km). Cap.: Luanda. Formerly, Portuguese West Africa. * * *… …
