Choosing the right drill isn’t always straightforward. Indexable insert drills are best for roughing large holes, replaceable ...

The deepest offshore oil well was over 35,000 feet by the Deepwater Horizon, and the Maersk Voyager operated in the deepest ...

Forget digging a hole to China — now China’s the one digging the really deep holes. The Asian nation has begun drilling a more than 32,800-foot-deep hole into the Earth’s crust as part of a ...

China is drilling one of the world’s deepest holes, aiming to explore mysteries ... and potential rewards behind this historic deep drilling expedition. Join us as we journey into Earth ...

China has begun drilling a 10,000-meter hole in the ground for the second time this year as it seeks ultra-deep reserves of natural gas. China National Petroleum Corp. on Thursday began drilling ...

The Earth's crust varies in thickness from about 5 to 75 km (3 to 47 miles), with the thinnest parts tending to be way out in the deep ocean. The deepest hole humanity has ever managed to drill is ...

China has begun drilling a hole over 10,000 meters (32,808 feet) deep into the Earth's crust. The project will provide data on the Earth's internal structure. Chinese President Xi Jinping named ...

In the mysterious deep underworld of uncertain geology, extreme temperatures and huge pressures, drill components can fail frequently, while keeping holes from becoming blocked is a constant battle.

Chinese scientists have begun drilling a 10,000-meter (32,808 feet) hole into the Earth’s crust, as the world’s second largest economy explores new frontiers above and below the planet’s ...