Sentence examples for which was drilled from inspiring English sources

A particular example is Lake Vostok in Antarctica, which was drilled into in 2012 by a Russian team of scientists.

The wells start out on the vertical, but then are drilled at an angle to intersect the existing well, which was drilled vertically.

Modern rock drills are commonly mounted on large rigs to bore many holes at one time; the Mont Blanc Tunnel between France and Italy (1960s) was the first tunnel the entire diameter of which was drilled and blasted in a single operation.

For many years, there were significant reserves in productive wells, the last of which was drilled in the 1970s.

Prof Eric Wolfffrom the British Antarctic Survey was the chief scientist on thelongest Antarctic ice core, which was drilled at Dome Concordiain 2001/2002.

The expression takes into account the radius of the resonator pipe and the radius of the hole, which was drilled into the pipe for microphone coupling.

While that rig, which was drilling at a depth just shy of 5,000 feet, was classified as a deep-water operation, many of the wells in the six projects are classified as "ultra" deep water, including four new wells at over 9,100 feet.

Among the rigs that were damaged was the Transocean Marianas which was drilling the Macondo well.

They already face the barrier of having to overcome the "honour code" which is drilled into them from childhood.

The oil companies are adjusting their techniques to pull even more oil and gas out of wells, some of which were drilled just a few years ago.

Mr Whittall said the missing men were believed to be about 120 metres down, but up to 2.5 kilometres inside the mine, which is drilled into the side of a mountain.