Overview
The Baker Hughes DELTAFLOW™ low-impact drill-in fluid is an invert emulsion DIF that provides a flat rheological profile while generating an ultra-thin filter cake which is easily removed and lifted off with minimum pressure.
Designed for drill-in applications in reservoirs that contain shale or other reactive clays which may prove problematic if drilled with a water-based mud (WBM). The system represents an intelligent fluids solution designed to extend the critical drilling window in these reservoirs.
Formations sensitive to any fluid or particle invasion, such as depleted or low formation-pressure reservoirs, should also be considered as good candidates for DELTAFLOW DIF.
- Minimizes formation damage while maximizing productivity
- Protects the formation against pressure spikes and surge pressure
- Provides effective and reliable navigation through narrow pressure windows
- Reduces risks and associated costs during reservoir drilling
- Improves hole cleaning, flow rate, and ROP
- Remains sag-resistant and suspends cuttings during operational pauses
- Allows easy cleanup using the MICRO-WASH™ invert emulsion drill-in fluid filter cake breaker
The DELTAFLOW™ Organophilic Clay-Free (OCF) DIF is a new generation of invert emulsion drill-in fluid (DIF), that replaces organophilic clay with a new package of rheology modifiers and novel products to deliver a formulation that provides the necessary rheological and stability properties in sensitive formations.
The new formulation is designed to minimize skin factor, avoid potential gelation issues, and increase the tolerance for contamination while providing low equivalent circulating density (ECD).
- Minimizes formation damage for improved production and greater operational efficiency
- Improves the mud’s rheology profile without sag, gelation, or fluid contamination issues
- Reduces the narrow pressure windows in sensitive formations to improve wellbore stability
- Provides formulation flexibility to ensure reliable performance in formations with elevated bottomhole temperatures that require enhanced thermal stability
DELTAFLOW OCF’s superior rheological properties, coupled with its minimal risk of formation and environmental damage, allow operators to drill and complete wells that produce at higher rates and operate more efficiently.
Contact your Baker Hughes representative for more information.