Logging during diamond drilling - Autonomous logging integrated into the Bottom Hole Assembly

Andrew Greenwood; Anton Kepic; Anna Podolska; Christian Dupuis; Gordon Stewart

doi:10.1071/ASEG2015ab042

24th International Geophysical Conference and Exhibition – Geophysics and Geology Together for Discovery

ISSN: 2202-0586
E-ISSN:

oa Logging during diamond drilling - Autonomous logging integrated into the Bottom Hole Assembly
Authors Andrew Greenwood^a, Anton Kepic^b, Anna Podolska^c, Christian Dupuis^d and Gordon Stewart^e
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^a Curtin University, Perth, , Western Australia, [email protected] ^b Curtin University, Perth, , Western Australia, [email protected] ^c Curtin University, Perth, , Western Australia, [email protected] ^d Université Laval, Quebec, G1V0A6, [email protected] ^e Global Tech Corporation, PO Box 1703, Perth, , 6970, [email protected]
Publisher: Australian Society of Exploration Geophysicists
Source: ASEG Extended Abstracts, Volume 2015, Issue 24th International Geophysical Conference and Exhibition – Geophysics and Geology Together for Discovery, Dec 2015, p. 1 - 3
DOI: https://doi.org/10.1071/ASEG2015ab042
- Published online: 01 Dec 2015

Abstract

Logging total count gamma data while diamond drilling an HQ borehole has been achieved using an autonomous shuttle. The shuttle is integrated into the Bottom Hole Assembly (BHA) prior to drilling. Logging is initiated at the beginning of each core run and the shuttle unit continuously logs at 1 second intervals. Continuous logging combined with the relatively slow rate of penetration of diamond drilling results in high fidelity logs at 1-5 cm intervals. The data is collected by the drilling crew, who download and email the data at the end of each core run for near real time analysis. Little to no interruption to the normal drilling process is experienced once the Shuttle has been integrated into the BHA. Autonomous logging while diamond drilling enables the collection of in-situ rock property measurements, without the risks and costs associated with later wireline logging. This value is added to the drilling process at little expense.

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2015-12-01

2026-01-18

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References

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Article Type: Research Article

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oa Logging during diamond drilling - Autonomous logging integrated into the Bottom Hole Assembly

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