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The price of hole deviation: the monetary impact of hole deviation on exploration drilling
2000 (English)Independent thesis Advanced level (professional degree), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

Finding where the ore goes is necessary for any mine which wishes to stay in business. Thus, every year large amounts of money are spent on exploration drilling. But since geological or other factors may offset the hole paths, the mines must also find out where the exploration holes go. This is done by surveying the holes. This Master's Thesis, initiated by the Swedish company Reflex Instrument AB, seeks to estimate the cost associated with actual hole surveying versus the possible cost of not surveying the exploration holes. Five sets of exploration holes from five different mines were studied. The cost associated with the drilling and surveying of those holes were calculated and an attempt were made to estimate the savings made possible by the surveying and the thusly acquired certain knowledge of the hole trajectories and the true spatial location of the ore interception. The results of the cost comparisons ranged from no savings at all to possible savings of two thousand times the cost of surveying the hole.

Place, publisher, year, edition, pages
Keyword [en]
Technology, mining engineering, survey, hole deviation, exploration, drilling
Keyword [sv]
URN: urn:nbn:se:ltu:diva-46466ISRN: LTU-EX--00/100--SELocal ID: 41ab6959-e024-41e3-bac8-905d3eb6b351OAI: diva2:1019780
Subject / course
Student thesis, at least 30 credits
Educational program
Civil Engineering programmes 1997-2000, master's level
Validerat; 20101217 (root)Available from: 2016-10-04 Created: 2016-10-04Bibliographically approved

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