Related topics: gulf of mexico · oil spills · oil

Scientists' Drill Hits Magma: Only Third Time on Record

(PhysOrg.com) -- Scientists drilling a borehole deep into Iceland’s rocky crust to explore new methods of using geothermal energy hit a major roadblock on Thursday: Their drill ran into molten rock at a depth of 6,900 feet.

How much oil have we used?

Estimates of how much crude oil we have extracted from the planet vary wildly. Now, UK researchers have published a new estimate in the International Journal of Oil, Gas and Coal Technology that suggests we may have used ...

Russia 'drills into' Antarctic subglacial lake

A Russian team has succeeded in drilling through four kilometres (2.5 miles) of ice to the surface of a mythical subglacial Antarctic lake which could hold as yet unknown life forms, reports said Monday.

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Drilling

Drilling is a cutting process that uses a drill bit to cut or enlarge a hole in solid materials. The drill bit is a multipoint, end cutting tool. It cuts by applying pressure and rotation to the workpiece, which forms chips at the cutting edge.

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