we extract oil from shale
21materials science — the study of the characteristics and uses of various materials, as glass, plastics, and metals. [1960 65] * * * Study of the properties of solid materials and how those properties are determined by the material s composition and structure, both… …
22David Alter — Portrait of Dr. David Alter, printed in the book History of the County of Westmoreland, Pennsylvania (1882). David Alter (December 3, 1807 – September 18, 1881) was a prominent American inventor and scientist of the 19th century. He was born in… …
23Petroleum — For other uses, see Petroleum (disambiguation). Proven world oil reserves, 2009 …
24Xtract Energy — Plc (lse|(XTR) is a multinational energy holding company with main activities It is a subsidiary of Cambrian Mining Plc, which owns over 50% of shares. Minor shares are traded on London Stock Exchange Alternative Investment Market.HistoryXtract… …
25Extraction of petroleum — Pumpjack on an oil well in Texas The extraction of petroleum is the process by which usable petroleum is extracted and removed from the earth. Contents 1 …
26Uranium depletion — is the inescapable result of extracting and consuming uranium since it is a finite resource. The journal Environmental Science and Technology argues that the availability of high grade uranium ore will deplete over time making the fuel more… …
272000s energy crisis — This article is about the causes and analysis of the relatively high oil prices of the 2000s. For discussion of the effects of the crisis, see Effects of the 2000s energy crisis. For a chronology of oil prices during this time, see 2003 to 2011… …
28United States — a republic in the N Western Hemisphere comprising 48 conterminous states, the District of Columbia, and Alaska in North America, and Hawaii in the N Pacific. 267,954,767; conterminous United States, 3,022,387 sq. mi. (7,827,982 sq. km); with… …
29Creosote — For other uses, see Creosote (disambiguation). Creosote is the portion of chemical products obtained by the distillation of a tar that remains heavier than water, notably useful for its anti septic and preservative properties.[1] It is produced… …
30Petronas — For the Byzantine nobleman and general, see Petronas the Patrician. Not to be confused with the Brazilian oil company Petrobras. Petroliam Nasional Berhad (PETRONAS) Type Government owned corporation …
