A study of methods to improve the performance of drag bits used to cut hard rock

Description

A Thesis Submitted to the Faculty of Engineering
University of Witwatersrand, Johannesburg
for the Degree of Doctor of Philosophy.
Johannesburg 1977 / No abstract

Links & Downloads

1. http://hdl.handle.net/10539/18193

Tags

Drag bits (Drilling and boring)

Additional Fields

Identifer	oai:union.ndltd.org:netd.ac.za/oai:union.ndltd.org:wits/oai:wiredspace.wits.ac.za:10539/18193
Date	06 August 2015
Creators	Hood, Michael
Source Sets	South African National ETD Portal
Language	English
Detected Language	English
Type	Thesis
Format	application/pdf