As one functional part of the rig, drilling pump carries the rock debris from the bottom of the well and supplies power to the drilling tool in the well drilling process.

钻井泵是钻机的三大功能部件之一，其在钻井过程中起着携带井底的岩屑和供给井底动力钻具动力的作用。

youdao

On April twentieth an oil drilling rig, the Deepwater Horizon, exploded and sank about eighty kilometers from the Louisiana coast.

VOA: special.2010.05.04

But he said it was too early to say what caused the April twentieth explosion on the Deepwater Horizon drilling rig.

VOA: special.2010.06.19

The Deepwater Horizon, an oil and gas drilling rig, exploded on April twentieth.

VOA: special.2010.06.04

Other than natural gas, Chesapeake also operates in oil production, oil and natural gas marketing, natural gas compression, rig drilling and trucking, which form the rest 25% of the stock price.

FORBES: Chesapeake Looks To Lower Debt, Ride Growth To $35

Development Driller II, the rig drilling a second relief well as a redundancy measure, is completing preparations for its blowout preventer to be used on the Macondo well, while the Development Driller III -- the rig drilling the relief well expected to intercept the main well -- is standing by until that's done.

CNN: STORY HIGHLIGHTS

It was -- this particular rig started drilling in this location in January of this year.

WHITEHOUSE: Press Briefing on Oil Spill in Gulf of Mexico