At the heart of our mud engineering consultancy is our expertise in Drilling and Completions Fluids Systems. Citadel designs, formulates, and manages a full range of fluid systems engineered to meet the specific demands of different well types, formations, and operational conditions. Our drilling and completion fluids solutions are built around performance, safety, and efficiency — ensuring wellbore stability, optimal hole cleaning, minimal formation damage, and smooth transitions between drilling and completion phases. We leverage advanced fluid chemistry and extensive field experience to create customized systems for both conventional and high-performance wells, including HPHT, deepwater, deviated, and horizontal operations. Our expertise includes: • Design and formulation of Water-Based, Oil-Based, and Synthetic-Based mud systems • HPHT and specialized fluid system development and testing • Completion brine selection, blending, and contamination control • Solids control optimization and waste reduction strategies • Fluids performance monitoring, optimization, and post-well evaluation • Technical support for wellbore cleanout and displacement operations We work closely with drilling teams to ensure that each fluid system not only meets technical specifications but also supports broader project objectives such as reducing costs, enhancing drilling efficiency, and protecting the environment. At Citadel, our Drilling and Completions Fluids Systems service represents the pinnacle of our mud engineering expertise — delivering integrated, high-performance fluids solutions that help our clients drill safer, faster, and more efficiently