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downhole

[doun-hohl] /ˈdaʊnˌhoʊl/
noun
1.
a hole dug or drilled downward, as in a mine or a petroleum or gas well.
adjective
2.
occurring or situated in such a hole.
Origin
down1 + hole
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for downhole
  • Over the past several years, sensors for collecting data downhole have grown increasingly sophisticated.
  • downhole mud driven turbine generator power appears to be a viable power option, particularly for the high temperature market.
  • The tool consists of an ultrasonic transducer coupled with a downhole inclinometer.
  • Borehole-flow rates can be calculated from downhole-velocity measurements and borehole diameter recorded by the caliper log.
  • Any problems that occur downhole must be correctly identified and repaired.
  • Shut in well at wing valve or by using a downhole shut-in tool.
  • The feasibility and initial development of downhole instruments and techniques.
British Dictionary definitions for downhole

downhole

/ˈdaʊnˌhəʊl/
adjective
1.
(in the oil industry) denoting any piece of equipment that is used in the well itself
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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