Drilling Technology of Heyuanbei Deep Drilling Hole CUSD2 in Xiangshan Area

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Drilling Technology of Heyuanbei Deep Drilling Hole CUSD2 in Xiangshan Area
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Affiliation:Research Institute No.270, CNNC,Research Institute No.270, CNNC,Research Institute No.270, CNNC,CNNC Beijing Research Institute of Uranium Geology,Geologic Party No.208, CNNC,Research Institute No.270, CNNC,Research Institute No.270, CNNC
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Abstract:

The vertical depth of Heyuanbei deep drilling hole CUSD2 in xiangshan area was designed for 1800m and it spent 119 days (the drilling started on November 28, 2014 to March 26, 2015)to have the drilling depth of 1535.02m, reaching the geological target horizon. The first domestic XY-8DB electric drive spindle coring rig was chosen for this project construction, with P size (122mm in diameter) core drilling to 1535.02m. The paper introduces the drilling construction technology for this borehole.

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Received:May 25,2015
Revised:September 10,2015
Adopted:October 10,2015
Online: November 09,2015
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