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.

He and his fellow firearms officers faced regular drills challenging them to find creative ways out of confrontations and spent long nights at the shooting range to upgrade their marksmanship.

The studies, which must address a broad range of economic and environmental issues, have been the main forum for critics within the government and the public to challenge oil drilling and other projects.

Several oil-services companies and politicians in Louisiana have challenged the drilling ban on the grounds that it is arbitrary and has a negative economic impact on the region.Brazil's Petrobras postponed until September a planned share issue that is expected to raise $25 billion.

The existing exploration data are sparse, and any effort made on the strati-structural interpretation is challenging for exploratory drilling campaigns, even with meager well control.

The Interior Department's temporary drilling moratorium was immediately challenged by the drilling industry, prompting U.S. District Judge Martin Feldman of the Eastern District of Louisiana to rule in June 2010 that the government could not enforce it.

In the gym, Gallinari was all business and constantly looking for ways to make each drill more challenging.

The first time came during the exchange on energy production, when Romney was repeatedly challenging him about oil-drilling on federal lands.

Under the Mexican Constitution, Pemex cannot bring in a foreign partner like Royal Dutch Shell or Exxon Mobil to develop the gulf reserves, even though those companies have much more expertise in drilling in challenging waters.