Sentence examples for Challenging drills from inspiring English sources

Indeed, even veteran team members sometimes appeared to be drowning during challenging drills.

Aging experiments at 120 °C indicated that they also have good stability at high temperatures for challenging drilling operations.

Now that the team is at the interface of the water and ice, the ice is very warm and forms large crystals that are challenging to drill through and caused the team's drill to get stuck last year.

On Friday Science's Richard Kerr published a story in Science on the challenge of drilling a relief well; BP is currently drilling two to hopefully stop the gulf gusher.

Drilling around or through the salt poses a more significant challenge than drilling through salt layers in the Gulf of Mexico, which are more dispersed, analysts say.

Real-time bit wear is a challenge in drilling as there is no absolute physical model.

Wellbore stability remains as one of the major challenges to drilling engineers.

One of the biggest challenges to drill deeper tunnels in the future is to design new maintenance tools.

He said another examination of potential health risks could help the state "withstand a legal challenge" if drilling permits are finally issued.

Borehole instabilities pose significant challenges in drilling and completion operations, specifically in the areas where pre-existing fractures are intersected by the borehole.

One challenge of drilling oil wells is what to do with "produced water" — a malodorous liquid, fortified with heavy metals, that comes mingled with the oil that is pumped out of the ground.