For years, drilling engineers have been faced with the challenge of drilling wells through
naturally fractured reservoirs that are present around the world. During drilling, the pressure …

The extraction of petroleum fluids from sub-surface accumulations mandates the drilling of a
well into the formation containing the accumulation. The drilling techniques have evolved …

Addressing the increasing demand for green additives in drilling fluids is essential for the
sustainable development of the oil and gas industry. Fluid loss into porous and permeable …

Aiming at the problems of large load of rotation drive system, low efficiency of torque
transmission and high cost for operation and maintenance of liner steering drilling system for …

This study is focused on the application of novel pozzolans (superplasticizers) ahead of
cement, prior to casing and while drilling to treat and prevent wellbore fracture due to …

While several experimental and theoretical studies have been conducted regarding different
drill pipe geometries, there is limited published research on narrow annuli. There are …

In conventional oil and gas well drilling, filter cake builds up on the wellbore wall due to
overbalance pressure which forces the drilling fluid into the rock formation and leaves solid …

В статье рассматриваются новейшие технологии заканчивания скважин, позволяющие
сократить экономические затраты и время их строительство, среди которых-бурение …

Целью данной работы является изучение проблем повышения качества крепления
скважин и разработка рекомендаций для улучшения процесса крепления. В работе …

This project aims to investigate wellbore strengthening effects during casing drilling. A novel
approach to quantify wellbore strengthening was presented. An experimental setup was …