Tetsuji Ohno

Performance of polycrystalline diamond compact bit based on laboratory tests assuming geothermal well drilling

Kuniyuki Miyazaki, Tetsuji Ohno, Hirokazu Karasawa et al. · Geothermics · 2019 · 62 citations

Materials Science, Geotechnical Engineering, Diamond-like Carbon +5

Experimental results on the effect of Bit wear on torque response

Hirokazu Karasawa, Tetsuji Ohno, Kuniyuki Miyazaki et al. · International Journal of Rock Mechanics and Mining Sciences · 2016 · 33 citations

Experimental Results, Engineering, Wear Testing +7

Performance evaluation of polycrystalline diamond compact percussion bits through laboratory drilling tests

Kuniyuki Miyazaki, Tetsuji Ohno, Hirokazu Karasawa et al. · International Journal of Rock Mechanics and Mining Sciences · 2016 · 18 citations

Materials Science, Drilling Mechanics, Engineering +5

Cost reduction of polycrystalline diamond compact bits through improved durability

Tetsuji Ohno, Hirokazu Karasawa, Hideo Kobayashi · Geothermics · 2002 · 15 citations

Materials Science, Diamond-like Carbon, Electrical Engineering +3

Seismic While Drilling: Basic Experiments Using a Percussion Drill as an Energy Source

Toshiyuki Yokota, Kyosuke Onishi, Hirokazu Karasawa et al. · Exploration Geophysics · 2004 · 12 citations

Engineering, Seismic Wave, Mechanical Engineering +19