The design of drill pipe joint thread with unequal taper is proposed to investigate the fracture failure of the API NC38 used in the drill pipe joint of the SU36-8-4H2 well. The effect of changes in ...
Korea Institute of Civil Engineering and Building Technology (KICT, President Kim, Byung-Suk) has developed a novel non-welded ring-type pipe fitting system to address leakage and corrosion issues in ...
Directional drilling 1,2 has been widely used in coal seam gas extraction, water exploration, and geological prospecting during mine pre-water exploration. Due to the long drilling distances and ...
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