Investigation of cutting transport in horizontal/deviated annulus using visualization and pressure drop techniques for two-phase slurry flow
Inadequate hole-cleaning in an annulus leads to several problems such as mechanical pipe
sticking, premature bit wear, formation fracturing, and/or slow drilling. However, the literature …
sticking, premature bit wear, formation fracturing, and/or slow drilling. However, the literature …
Single and Multiphase Flow Leak Detection in Onshore/Offshore Pipelines and Subsurface Sequestration Sites: An Overview
Leaks may occur in existing pipelines, even when designed with quality construction and
appropriate regulations. The economic impact of oil spills and natural gas dispersion from …
appropriate regulations. The economic impact of oil spills and natural gas dispersion from …
Numerical simulation of skin factors for perforated wells with crushed zone and drilling-fluid damage in tight gas reservoirs
Z Zhang, J Guo, H Liang, Y Liu - Journal of Natural Gas Science and …, 2021 - Elsevier
Shaped charge perforation is the most widely used method to connect wellbores and
reservoir formation. The skin factor is high after perforation tunnel cleaning in some offshore …
reservoir formation. The skin factor is high after perforation tunnel cleaning in some offshore …
Analysis of cuttings transport and flow pattern in nearly horizontal extended reach well
During the drilling activity, in an extended reach well, the deposition of cuttings (solids) in the
annulus can lead to issues such as differential sticking and inefficient hole cleaning. This …
annulus can lead to issues such as differential sticking and inefficient hole cleaning. This …
Development of pressure gradient correlation for slurry flow using dimensional analysis
Accurate and speedy determination of pressure drop during cuttings transport is an
important aspect of a drilling operation. However, the literature suggests that there is a lack …
important aspect of a drilling operation. However, the literature suggests that there is a lack …
Stress-dependent permeability of fractures in tight reservoirs
N Cao, G Lei, P Dong, H Li, Z Wu, Y Li - Energies, 2018 - mdpi.com
Permeability is one of the key factors involved in the optimization of oil and gas production in
fractured porous media. Understanding the loss in permeability influenced by the fracture …
fractured porous media. Understanding the loss in permeability influenced by the fracture …
Quantifying the partial penetration skin factor for evaluating the completion efficiency of vertical oil wells
An oil well's productivity is generally considered the standard measure of the well's
performance. However, productivity depends on several factors, including fluid …
performance. However, productivity depends on several factors, including fluid …
Comparison of Crushed‐Zone Skin Factor for Cased and Perforated Wells Calculated with and without including a Tip‐Crushed Zone Effect
A number of different factors can affect flow performance in perforated completions, such as
perforation density, perforation damage, and tunnel geometry. In perforation damage, any …
perforation density, perforation damage, and tunnel geometry. In perforation damage, any …
Horizontal Two-Phase Flow Regime Identification with Machine Learning Classification Models
This paper presents a follow-up study to, which identified the best machine learning (ML)
models for classifying the flow regimes in vertical gas-liquid two-phase flow. This paper …
models for classifying the flow regimes in vertical gas-liquid two-phase flow. This paper …
Effects of salinity on solid particle settling velocity in non-Newtonian Herschel–Bulkley fluids
R Moukhametov, A Srivastava, S Akhter… - Journal of Petroleum …, 2021 - Springer
Settling velocity or depositional velocity is considered a key parameter to account for in the
drilling technology of oil and gas wells as well as hydrocarbon processing since an accurate …
drilling technology of oil and gas wells as well as hydrocarbon processing since an accurate …