drill down

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drill down

1. To bore a hole down into something; to drill in a downward direction. Unfortunately, we need to drill down into the ground to try to find the burst pipe.
2. To examine or study something in detail. OK, how can I drill down and get more information on each payee on this spreadsheet?
See also: down, drill

drill down (to something)

to bore downward to something or some distance. We drilled down to a layer of waterbearing sand, hoping to make a well. They had to drill down to bedrock to make a base for the piers that hold the building up.
See also: down, drill
References in periodicals archive ?
The well was drilled down to the depth of 3460M, targeting to test the hydrocarbon potential of Massive Sands of Lower Goru Formation, whereby reserves of hydrocarbon have been discovered in exploratory well Pasakhi Deep Well No.
The secants, each measuring 30 inches in diameter, were drilled down to a depth of 55 feet around the perimeter of the site, forming a secure bathtub.
Once the casing has been drilled down to the required depth, the center bit and drill string can be pulled back out of the hole leaving the casing installed.
Seeking to test the hydrocarbon prospect of Datta and Shinawari formations, the well had been drilled down to the depth of 4,596 meters.
The well was drilled down to the depth of 3,983m, targeting to test the hydrocarbon potential of Basal Sands of Lower Goru Formation, as primary objective.