Application of inverse well drill will permit quick and safe excavation of pilot shaft.

应用反井钻机开挖导井可达到快速安全的效果。

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The pressure of the under well drill rod which even works in the caustic medium is extremely complex.

钻柱在井下的受力极度复杂，甚至工作在腐蚀性介质中。

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US will investigate charges that Chinese companies are selling oil well drill pipe in the US at unfairly low prices.

中国油井钻杆再遭美方调查，称中国以低价进行不公平竞争。

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Two years ago, international donors put up money to drill a well.

VOA: standard.2009.12.10

When Cabot Oil & Gas offered a lease for the natural gas under their land a few years ago, saying that it might drill a single horizontal well nearby, they weren't worried.

VOA: standard.2010.01.02

He insists that in the push to drill the well quickly, the drillers lost circulation and got stuck, and had to regroup and drill a sidetrack well.

FORBES: BP Oil Spill Update: Some Good News, And A Lot of Bad News

What they do is they sign a lease, and then a company comes along eventually and sets up a well and a derrick, and then they drill the well themselves.

NPR: Drilling for Gas in Dallas-Fort Worth

Once the blowout preventer is replaced to mitigate the risk of pressure in the well, it will take about four days to drill through the relief well and intercept the main well, based on statements from Allen.

CNN: STORY HIGHLIGHTS