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Chapter 4 Completion Fluids

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  Formation Damage During Completion PhaseChapter 4 Contents¬† 1.Introduction2.Causes and Types of Formation Damage During Completion3.Prevention of Formation Damage in Well Completion4.Reduce Formation Damage in Sandstone Completion: Case Study  4. Completion and Work-over Fluids: Chapter 4  4. Reduce Formation Damage due to Completion Fluids: Chapter 4 Definition 1)The fluid is meant to control a well should downholehardware , without damaging the producing formation or completion components. Completion fluids are typically brines (chlorides, bromides and formates), but in theory could be any fluid of   2)The fluid should be chemically compatible with the reservoir formation and fluids, and is typically filtered to a high degree to avoid introducing solids to the near-wellbore area which may cause formation damage.  4. Reduce Formation Damage due to Completion Fluids: Chapter 4 Completion fluid should be selected to satisfy the following needs:1.Fluid Density:Needed to control formation pressure. 2.Selection Criteria 2.Filtrate Characteristics: Should minimize formation damage (swelling of clays, wettabilitychanges, and emulsion stabilization.3.Fluid Loss: Minimum Fluid Loss to the formation 4.Viscosity-Related Characteristics: Viscosity and gel strength to bring sand or cuttings to surface

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Jul 23, 2017

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