Investigation of Taylor bubble dynamics in annular conduits with counter-current flow
This study numerically investigates counter-current slug flow by considering the motion of a
Taylor bubble in annular conduits with downward-flowing liquids using the Volume-of-Fluid …
Taylor bubble in annular conduits with downward-flowing liquids using the Volume-of-Fluid …
Design and calculation of process parameters in bullheading and pressurized mud cap drilling
This study aims to provide the design and calculation method of key parameters in
bullheading/PMCD operations. An improved gas migration velocity model in closed well …
bullheading/PMCD operations. An improved gas migration velocity model in closed well …
Time Series Data Analysis with Recurrent Neural Network for Early Kick Detection
Fast and accurate kick detection during drilling operations is critical to ensure drilling safety
and reduce non-productive time. Over the years, the industry has taken various approaches …
and reduce non-productive time. Over the years, the industry has taken various approaches …
Experimental Study on the Performance of Frictional Drag Reducer with Low Gravity Solids
Y Jia, J Lei - Innovations in Applied Engineering and Technology, 2024 - ojs.sgsci.org
Reducing energy consumption during drilling operations is beneficial to both the
environment and economy. Frictional drag reducers (FDR) are widely used to reduce the …
environment and economy. Frictional drag reducers (FDR) are widely used to reduce the …
Monitoring and characterization of gas migration in oil-based mud using fiber-optic DAS and DTS
Understanding gas dynamics in mud is essential for planning well control operations,
improving the reliability of riser gas handling procedures, and optimizing drilling techniques …
improving the reliability of riser gas handling procedures, and optimizing drilling techniques …
[HTML][HTML] A Numerical Study on Labyrinth Screw Pump (LSP) Performance under Viscous Fluid Flow
In this study, fluid viscosity effects on LSP performance in terms of boosting pressure were
numerically investigated. A water–glycerin mixture with different concentrations …
numerically investigated. A water–glycerin mixture with different concentrations …
Reducing NPT Using a Novel Approach to Real-Time Drilling Data Analysis
Early detection and characterization of anomalous events during drilling operations are
critical to avoid costly downtime and prevent hazardous events, such as a stuck pipe or a …
critical to avoid costly downtime and prevent hazardous events, such as a stuck pipe or a …
Effect of Calcium Expansive Additives on the Performance of Granite-Based Geopolymers for Zonal Isolation in Oil and Gas Wells
Geopolymers have emerged as a promising alternative to Portland cement for oil and gas
wells. Achieving effective zonal isolation by use of geopolymers may require controlling their …
wells. Achieving effective zonal isolation by use of geopolymers may require controlling their …
The Influence of Casing Eccentricity on Zonal Isolation
Eccentricity of the casing frequently exists in actual drilling process. This is one of the main
reasons responsible for poor mud and cement displacement. In such cases, zonal isolation …
reasons responsible for poor mud and cement displacement. In such cases, zonal isolation …
Experimental study of anisotropic strength properties of shale
Led by new developments of horizontal drilling and hydraulic fracturing techniques, organic
rich shales have been contributing significantly to a gas production in the US. In drilling …
rich shales have been contributing significantly to a gas production in the US. In drilling …