Deep Core Drilling
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Deep Core Drilling
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In the 1890s a new and revolutionary method of drilling far below the surface of the earth was discovered and developed. Conventional oil and water wells were drilled with a screw auger. Many links were hooked together to that were turned at the surface by powerfull steam engines. An Australian hellcat built the first Deep Core Drill on record by riveting a saw blade to an old boiler tube and driving it into the ground by rotating it with a mule He and his crew reached 100 feet before dawn. He drilled holes for several years in the outback exploring the region for coal. Several units were manufactured. However he managed to sail to England and patent his new invention, which became the new standard of the industry. His new method of "Core Drilling" would be used worldwide in the construction of buildings, skyscrapers, dams, bridges, and deep wells for natural gas, crude oil, and more importantly, water! Thus the FH Davis Drill Company was formed in England in 1901. A novel method of gripping solid granite cores and extracting them to the surface by means of a Calyx or "flower pedal" device, proved to be the fastest and most economical way to drill. An interesting advantage was that the drill could be assembled and used in the basement of a building. This was the first man in the world to reach a depth of 2000 feet with his new Davis-Calyx Drill, English patent 1901.
Deep Core Drilling[edit]
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