drilling efficiency
71Laser cutting — process on a sheet of steel. CAD (top) and stainless steel laser cut part (bottom) Laser cutting is a technology that uses a laser to cut materials, an …
72Petroleum politics — Argentine president Néstor Kirchner and Venezuelan President Hugo Chávez discuss the Gran Gasoducto del Suran energy and trade integration project for South America. They met on November 21, 2005 in Venezuela. Petroleum politics have been an… …
73Nippon Oil — Not to be confused with Eunos. JX Nippon Oil Energy Corporation Type Public KK Traded as TYO …
74Diffusion 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… …
75Political positions of John McCain — U.S. Senator John McCain (R AZ), a member of the U.S. Congress since 1983, a two time U.S. presidential candidate, and the nominee of the Republican Party in the 2008 U.S. Presidential election, has taken positions on many political issues… …
76technology, history of — Introduction the development over time of systematic techniques for making and doing things. The term technology, a combination of the Greek technē, “art, craft,” with logos, “word, speech,” meant in Greece a discourse on the arts, both… …
77Mallik gas hydrate site — The Mallik Methane Hydrate Site (or Mallik Gas Hydrate Production Research Well, Mallik test well) is located in the Beaufort Sea, Canada. Contents 1 Site Highlights 2 Introduction to the Area 3 General physical and geological description …
78World energy resources and consumption — In order to directly compare world energy resources and consumption of energy, this article uses SI units and prefixes and measures energy rate (or power) in watts (W) and amounts of energy in joules (J). One watt is one joule per second. In 2005 …
79Hot dry rock geothermal energy — (HDR) is a type of geothermal power production that uses the very high temperatures (approx 200 Celsius) that can be found in rocks a few kilometers below ground. Electricity is generated by pumping high pressure water down a borehole (injection… …
80Hole saw — Not to be confused with Core drill. A 52 mm (2.0 in) hole saw with pilot bit …
