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Brines and Other Workover Fluids - …
Brines and Other Workover Fluids Purposes Selection Filtration needs Placement fluid Loss Control Cleanup and Displacement of Muds Limitations Alternatives3/14/20091 George E. King Engineering of displacement prior to cementing, removal, formation pressures during completion and intervention operations, repair operations as a circulating or kill fluid medium, packer Fluids ,3/14/20092 George E. King Engineering of Brines (cont.)6. In some stimulations as base Fluids ;7. Enable cleanup of the zone prior to running screens;8. Reduce friction while running screens & equipment;9. Avoid damaging the well after completion, stimulation, or repair;10. Allow Other well operations to be E. King Engineering Circulating a Well Really Clean It Out? Not necessarily. Clean-out efficiency depends on: Ability to remove the solids from returning Fluids , fluid hydraulics - the flow rates in every section, Ability to disperse, then lift solids out of the well, Ability to effectively remove the dope, mud cake, residues, etc.
Brines and Other Workover Fluids • Purposes • Selection • Filtration needs • Placement • Fluid Loss Control • Cleanup and Displacement of Muds
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