jet drilling
41Barack Obama — Barack and Obama redirect here. For other uses, see Barak (disambiguation) and Obama (disambiguation). For the Kenyan economist, President Obama s father, see Barack Obama, Sr …
42Sarah Palin — Sarah Palin …
43Downstream (petroleum industry) — For other uses, see Downstream (disambiguation). The petroleum industry is usually divided into three major components: Upstream, midstream and downstream. Midstream operations are usually included in the downstream category. The downstream oil… …
44Gearhart — 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… …
45Diffusion of technology in Canada — This article outlines the history of the diffusion or spread of technology in Canada. Technologies chosen for treatment here include, in rough order, transportation, communication, energy, materials, industry, public works, public services… …
46pneumatic device — Any of various tools and instruments that generate and use compressed air. Examples include rock drills, pavement breakers, riveters, forging presses, paint sprayers, blast cleaners, and atomizers. Compressed air power is flexible, economical,… …
47List of Transformers: Cybertron characters — Principal cast from Transformers: Cybertron. This article lists characters that appear in Transformers: Cybertron, the third chapter of the Unicron Trilogy series of the Transformers franchise. The series features the entirety of planet Cybertron …
48List of Historic Mechanical Engineering Landmarks — The following is a list of Historic Mechanical Engineering Landmarks as designated by the American Society of Mechanical Engineers since it began the program in 1971. The designation is granted to existing artifacts or systems representing a… …
49Oil well — The pumpjack, such as this one located south of Midland, Texas, is a common sight in West Texas. An oil well is a general term for any boring through the earth s surface that is designed to find and acquire petroleum oil hydrocarbons. Usually… …
50Drill bit — For the fictional character, see Drill Bit (Transformers). For the cancelled skyscraper nicknamed Drill bit, see Chicago Spire. For the types used in drilling wells, see Well drilling. From top to bottom: Spade, lip and spur (brad point), masonry …
