http://www.worldoil.com WorldOil Drilling advances https://www.worldoil.com/magazine/2021/september-2021/columns/drilling-advances A tough and hot slog Unconventional fracturing: Implications of particle transport through the casing https://www.worldoil.com/magazine/2021/september-2021/special-focus/unconventional-fracturing-implications-of-particle-transport-through-the-casing GEODynamics and operators surface-tested typical unconventional fracturing configurations and determined that particle transport and fluid velocities impact proppant placement. Flare combustion monitoring system for upstream flares https://www.worldoil.com/magazine/2021/september-2021/features/flare-combustion-monitoring-system-for-upstream-flares A novel flare combustion efficiency monitoring method has been developed, using parametric modeling based on existing experimental data and computational fluid dynamic calculations. This method can be deployed to upstream flare systems to achieve maintenance-free real-time monitoring. Balancing AI advances with robust cybersecurity solutions https://www.worldoil.com/magazine/2021/september-2021/features/balancing-ai-advances-with-robust-cybersecurity-solutions While digitalization has improved project economics and streamlined operations, it also has brought the need for AI-enabled solutions to support sustainable growth and provide security against cyberattacks. Innovative approach optimizes the completion cycle https://www.worldoil.com/magazine/2021/september-2021/special-focus/innovative-approach-optimizes-the-completion-cycle Six remedies to prevent casing deformation and maintain wellbore integrity for a successful completion. Decarbonizing with digital: Improving drilling and well construction performance, sustainably https://www.worldoil.com/magazine/2021/september-2021/features/decarbonizing-with-digital-improving-drilling-and-well-construction-performance-sustainably Industry mandates for more sustainable operations and higher performance are reshaping drilling/well construction. For years, digital innovation has been important for improving efficiency and enabling returns-focused performance. Today, digital is equally important in reducing CO2 emissions to mitigate climate change. Operators: Are your partners taking digital transformation beyond the drill bit? https://www.worldoil.com/magazine/2021/september-2021/features/operators-are-your-partners-taking-digital-transformation-beyond-the-drill-bit Streamlining day-to-day operations, using purpose-built apps, is enabling improvements for operations, maintenance and worker safety. Stage-level flow assurance helps refine Permian field development strategy https://www.worldoil.com/magazine/2021/september-2021/features/stage-level-flow-assurance-helps-refine-permian-field-development-strategy Nanoparticle tracers provide affordable solution for sweet spot identification, frac hit avoidance and well spacing understanding.