[HTML][HTML] Multiphase Flow Challenges in Drilling, Completions, and Injection: Part 1

CE Obi, AR Hasan, MA Rahman, D Banerjee - Petroleum, 2024 - Elsevier
This review addresses the diverse applications of multiphase flows, focusing on drilling,
completions, and injection activities in the oil and gas industry. Identifying contemporary …

A machine learning analysis to relate flow pattern and pressure gradient during gas kicks under static conditions

CE Obi, Y Falola, K Manikonda, AR Hasan… - SPE Western Regional …, 2022 - onepetro.org
Warning signs of possible kick during drilling operation can either be primary (flow rate
increase and pit gain) or secondary (drilling break, pump pressure decrease,). Drillers rely …

[HTML][HTML] Investigation of a solid particle deposition velocity in drag reducing fluids with salinity

C Obi, MA Rahman, I Hassan, R Hasan - Petroleum Research, 2024 - Elsevier
Optimal and cost-effective drilling operations in extended-reach horizontal wells depend on
efficient solid cuttings removal from the borehole. Several solids-suspended multiphase …

[HTML][HTML] A dynamic managed pressure well-control method for rapid treatment of gas kick in deepwater managed pressure drilling

HW Yang, J Li, JW Jiang, H Zhang, BY Guo, G Zhang… - Petroleum Science, 2022 - Elsevier
During deepwater managed pressure drilling (MPD), the gas kick may occur in abnormally
high-pressure formations. If the traditional well control method is adopted, the treatment time …

Flow Pattern, Pressure Gradient Relationship of Gas Kick Under Dynamic Conditions

CE Obi, Y Falola, K Manikonda, AR Hasan… - Offshore Technology …, 2022 - onepetro.org
The warning signs of possible kick during drilling operation can either be primary (flow rate
increase and pit gain) or secondary (drilling break, pump pressure decrease, and stroke …

Dynamics of Gas Kick Migration in the Annulus While Drilling/Circulating

CE Obi, K Manikonda, L Abril… - International …, 2022 - asmedigitalcollection.asme.org
Multiphase flow pattern during gas kick is made more complex while drilling or circulating
out the kick (dynamic conditions). The additional pressure losses due to friction when …

Mathematical modeling of oil and gas kick during drilling operations

F Zachopoulos, N Kokkinos - AIP Conference Proceedings, 2023 - pubs.aip.org
The current study aims to provide the modern techniques to mathematically describe and
model a potentially disastrous event called" Kick". A kick might occur during oil and gas …

[HTML][HTML] Lattice Boltzmann Method simulation of wellbore gas–liquid​ phase transition

S Sun, R Sang, J Liu, K Zhao, T An - Energy Reports, 2022 - Elsevier
Whenever the drilling wellbore is at the state of gas–liquid two-phase flow, gas slips and
migrates along the drilling fluid. Due to the decreased wellbore temperature and pressure …

New Approaches to Improve Rheological Characterization of KCl/Polymer Muds

H Gucuyener, S Yanik, OK Gurcay, A Ay - SPE/IADC Drilling …, 2023 - onepetro.org
Representing the first-generation high-performance water-based drilling fluid, KCl/Polymer
drilling fluids are widely used to drill troublesome shale formations containing water …

Optimization of Rheological Models for Invert Emulsion Drilling Fluids using Novel Algorithms

IH Gucuyener, OK Gurcay, A Yanik, A Ay… - SPE Middle East Oil …, 2023 - onepetro.org
Invert emulsion drilling fluids (IEDF) are recognized as the highest-performing fluid systems
available, providing invaluable benefits in drilling operations. This study uses conventional …