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 ...

Keywords: Underground pipe joints. Unrestrained pipe joints. Restrained pipe joints. Testing. Pipelines. Dynamic behavior. Seismic behavior. Systems analysis. Risk assessment. Abstract: This MCEER ...

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 ...

The behind-the-wall framework of a home contains a vital plumbing system that keeps it running efficiently and safely. Within every residential plumbing system you have subsystems that include ...