... times increase; and (4) snaking can be seen in any wells at moderate compressive load and angular velocity. 14 03 2010 09 09 2011 26 09 2011 07 12 2011 07 12 2011 angular velocity drilling (geotechnical) elastic deformation mechanical contact nonlinear dynamical...

.... The inflow performance of a vertical gas well is compared with that of a horizontal gas well. The proposed equations can account for the advantages of horizontal gas wells. 11 03 2010 07 09 2011 26 09 2011 10 11 2011 10 11 2011 drilling (geotechnical) flow through porous...

... horizontal wellbore [( 4 )]. The effect has serious implications where the horizontal well section is very long because the productivity index is no longer directly proportional to the well length [( 4 5 )]. modeling productivity horizontal well pressure loss confined flow drilling...

... drilling (geotechnical) emulsions rheology separation riser dilution drilling mud separation systems low density liquid injection. Oil and natural gas in deepwater are valuable natural resources, but the drilling costs to access these resources are very high. In some cases, prospects can...