(in horizontal drilling)
41Petroleum engineering — refers to the subsurface engineering activities related to the production of hydrocarbons, which can be either crude oil or gas. These activities are deemed to fall within the upstream sector of the oil and gas industry which are the activities… …
42Xanthan gum — is a polysaccharide used as a food additive and rheology modifier Harv|Davidson ch. 24. It is produced by a process involving fermentation of glucose or sucrose by the Xanthomonas campestris bacterium. Chemical structureThe backbone of the… …
43Gearhart — Industries, The GO Company (formerly GO Oil Well Services, Gearhart Owen Industries) was an independent oil well service company originally founded by Marvin Gearhart and Harold Owen in 1955 and based in Fort Worth, Texas, USA. It provided well… …
44Yin Style Baguazhang — articleissues article=y refimprove=July 2007 primarysources=July 2007 citationstyle=July 2007 laundrylists=July 2007Yin Style Baguazhang is a style of Baguazhang, a Chinese martial art. Yin Style has many substyles, some of the lineages of which… …
45Ohio Oil Rush — Cygnet, Ohio, in Wood County was a booming oil town with 13 saloons and many workers when this photo was taken in 1885. The Ohio oil rush was a 19th century petroleum boom in the southeast Ohio, United States. The boom started in 1860 in… …
46Larrys Creek — Geobox | River name = Larrys Creek category = Creek image size = 300 image caption = Larrys Creek and the Cogan House Covered Bridge in Cogan House Township, Pennsylvania etymology = Larry Burt, first settler country = United States country state …
47jumbo — /ˈdʒʌmboʊ / (say jumboh) noun (plural jumbos) 1. Colloquial an elephant. 2. Mining a drill carriage on which several drills for horizontal drilling are placed. 3. Mining a mobile scaffold to assist drilling in large headings. 4. Mining a drilling …
48Fort Worth, Texas — Fort Worth   City   City of Fort Worth Montage of Fort Worth …
49Oil reserves in the United States — United States oil reserves peaked sharply in 1970 Proven oil reserves in the United States are 21 billion barrels (3.3×10^9 m3), excluding the Strategic Petroleum Reserve. The U.S. Department of the Interior …
50History of coal mining — Due to its abundance, coal has been mined in various parts of the world throughout history and continues to be an important economic activity today. Compared to wood fuels, coal yields a higher amount of energy per mass and could be obtained in… …
