Sentence examples for drill pipe from inspiring English sources

Cut drill pipe was found inside the blowout preventer, suggesting to investigators that its shear rams, which are supposed to cut through drill pipe and form a seal, at least partly closed at some point.

Also Monday, BP prepared to remove drill pipe from the blowout preventer on its now dormant well.

In order to help maintain a vertical well bore, the drill pipe above the collars is usually kept in tension.

The power source for the turbodrill is the mud pump, which forces mud through the drill pipe to the turbine.

When a safety switch is thrown, a device cuts the drill pipe, letting it fall into the hole.

And the new video appears to show another breach in the drill pipe, closer to the wellhead.

In most cases, the drill pipe also transmits the rotary motion to the bit from a turntable at the surface.

The company has taken extra measures to seal the drill pipe from water-bearing rock, Mr. Vaughan said.

No water rushed up, and the miners quickly tapped on the drill pipe to signal their survival.

drill string (drill pipe).

Longitudinal vibration equation of the drill pipe.