Sentence examples for Heavy drill from inspiring English sources

The extra responsibility allows him to almost match his pay at the desert coal mine, but at his age carrying a heavy drill is becoming more difficult, and he won't be able to continue doing hard labor forever.

Its aim was to develop a low-cost percussion drill in which a heavy drill bit is repeatedly raised and dropped to bore the well so that RWA could supply water to local villages.

In the top kill maneuver, a 30,000-horsepower engine aboard a ship injected heavy drill liquids through two narrow flow lines into the stack of pipes and other equipment above the well to push the escaping oil and gas back down below the sea floor.

Riser-drilling technology is designed to maintain a closed-loop circulation of heavy drilling fluid (often called drilling mud) between the borehole and the ship (Figure 2).

Several men were boring holes in the rock with heavy drills.

Then heavy drilling mud is pumped down the relief well into the runaway well.

The heavy drilling appears to have contributed to morale problems among teachers.

However, this type of heavy drilling work requires massive amounts of water.

Shortly before the explosion, workers on the rig replaced the heavy drilling mud with a lighter seawater.

Mr. Brown said the disagreement followed BP's decision to replace heavy drilling fluid with lighter saltwater before the well was sealed with a final cement plug.

The relief well will be used to pump heavy drilling mud, followed by cement, into the damaged well to stop the gusher permanently.