Swab and surge pressure fluctuations are decisive during drilling for oil. The axial
movement of the pipe in the wellbore causes pressure fluctuations in wellbore fluid; these …

Understanding the deformation evolution in the borehole area is beneficial in grasping the
regional gas desorption and high-stress release, thereby preventing methane disasters. This …

In this work, a theoretical analysis for the streaming potential and the electro-kinetic energy
conversion (EKEC) efficiency of the viscoelastic fluid in a circular microchannel driven by …

A pumping-while-tripping method is proposed to mitigate pressure swabs during tripping out
in wells with a narrow mud density window and extended reach. In the proposed tripping-out …

Natural gas hydrate is easy to decompose and leak due to the changes in temperature and
pressure during drilling, which causes safety accidents. Early monitoring of wellhead …

Wellbore instability is a frequent problem of shale drilling. Accurate calculation of surge‐
swab pressures in tripping processes is essential for wellbore pressure management to …

Surge pressure is the additional pressure created when pipes move downward, and swab
pressure is the pressure reduction that occurs when pipes move upward. When pipes are …

Swab and surge pressure fluctuations are decisive during drilling for oil. The axial
movement of the pipe in the wellbore causes pressure fluctuations in wellbore fluid; these …

Demand for Energy globally has been on the rise by approximately 8% between 2004 and
2019. Also, conventional energy sources are unable to meet this demand for the period …

Controlling the pressure of oil wells during drilling can be one of the most complex and
dangerous processes of the exploration stage. This study proposes the design of an …