Wellbore curvature and torsion greatly influence the forces applied on the downhole pipe string and its consequent deformation. They serve as the bases for calculating the drag and torque of a pipe ...

Acoustic Logging While Drilling (ALWD) techniques utilise sound waves to characterise subsurface geological formations in real time during drilling operations. This method involves the transmission ...

Over the past several decades, various methods have been proposed to evaluate drilling costs and complexity, but because of the large number of factors and events that affect drilling performance, ...

Arsenic is so common in groundwater in Bangladesh, Nepal, western India, Myanmar, Cambodia and Vietnam all heavily populated countries in the flood plains draining the Himalayas that their drinking ...

Operators’ ability to develop previously untapped oil reserves through horizontal drilling techniques has led to a record 1,443 oil rigs currently in operation in the U.S. according to a report ...