The 2022 Springpole diamond drilling campaign comprised of 62 drill holes totalling 5,834 metres, and was focused on advancing geotechnical, hydrogeological, and geochemical studies related to metal ...
1806 - Spring pole cable drilling developed in US. 1844 - Fluid circulating rotary well drilling patented in England. 1845 - Circulated fluid used to remove drill cuttings for first time. 1860 - Fluid ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results