Figure1: Azurite, malachite, chalcocite in core from MHB-32: 527 to 537 ft (160.6-163.6 m) The primary objective of core hole MHB-32 is to expand known zones of copper mineralization and toward a new ...
A slide and compound drilling model calculates build-up rate (BUR) of a single bent-angle motor assembly using a physical model and genetic-algorithm back propagation (GA-BP) regression analysis. A ...
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