Practice and Understanding of Core Drilling Construction in Large-angle Declined Hole in Lannigou Gold Deposit of Guizhou

Home > Archive>Volume 40, Issue 11, 2013 >35-38

Practice and Understanding of Core Drilling Construction in Large-angle Declined Hole in Lannigou Gold Deposit of Guizhou
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Affiliation:117 Geological Team, Bureau of Geology and Mineral Exploration and Development of Guizhou Province,117 Geological Team, Bureau of Geology and Mineral Exploration and Development of Guizhou Province
Clc Number:P634.5
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Abstract:

The paper introduces the large-angle declined hole construction in Lan'nigou gold deposit of Guizhou, analyzes the application process of flushing fluid and drill bit selection and sums up the experiences of large-angle declined hole drilling.

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History

Received:May 17,2013
Revised:May 17,2013
Adopted:October 09,2013
Online: November 29,2013
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