Assessing the Impact of a Novel Organoclay on the Performance of Oil-Based Drilling Fluids DOI
Ahmed Abdulhamid Mahmoud, Rahul Gajbhiye, Salaheldin Elkatatny

et al.

Published: May 12, 2025

Abstract Oil-based drilling fluids (OBDFs) are essential for in challenging environments, particularly those with high-pressure and high-temperature (HPHT) conditions. However, maintaining optimal OBDF performance such extreme environments requires specialized additives. This study investigates the potential of a novel organoclay (OC), Claytone-3, as rheological additive to enhance OBDFs under HPHT Claytone-3's is directly compared pre-exisiting OC (MC-TONE) quantify improvements offered by this additive. To understand structural compositional differences between two OCs, comprehensive characterization was conducted. involved employing several techniques including X-ray diffraction (XRD), fluorescence (XRF), scanning electron microscopy (SEM), particle size distribution (PSD). The impact Claytone-3 on critical mud properties then rigorously evaluated through series experiments designed simulate downhole These focused key aspects fluid performance, emulsion stability, sag tendency, properties, filtration properties. Static dynamic tests were conducted at 275/150°F evaluate ability prevent barite sag, common issue wells. Rheological plastic viscosity (PV), yield point (YP), PV/YP ratio, measured 275°F after hot rolling (AHR) 16 hours 500 psi differential pressure assess fluid's carrying capacity hole cleaning efficiency. Finally, API performed determine effectiveness minimizing loss forming thin, impermeable filter cake. results demonstrate that enhances across all tested parameters. exhibited 2% improvement stability reference effectively mitigated both static ensuring suspension even Furthermore, yielded 1% increase PV, an 11% YP, 10% ratio MC-TONE formulated fluid, indicating improved potential. demonstrated reduction filtrate volume cake thickness, contributing wellbore stability. underscores high-performance environments. By improving resistance, control, offers promising solution enhancing efficiency, reducing non-productive time, mitigating risks associated operations.

Language: Английский

Assessing the Impact of a Novel Organoclay on the Performance of Oil-Based Drilling Fluids DOI
Ahmed Abdulhamid Mahmoud, Rahul Gajbhiye, Salaheldin Elkatatny

et al.

Published: May 12, 2025

Abstract Oil-based drilling fluids (OBDFs) are essential for in challenging environments, particularly those with high-pressure and high-temperature (HPHT) conditions. However, maintaining optimal OBDF performance such extreme environments requires specialized additives. This study investigates the potential of a novel organoclay (OC), Claytone-3, as rheological additive to enhance OBDFs under HPHT Claytone-3's is directly compared pre-exisiting OC (MC-TONE) quantify improvements offered by this additive. To understand structural compositional differences between two OCs, comprehensive characterization was conducted. involved employing several techniques including X-ray diffraction (XRD), fluorescence (XRF), scanning electron microscopy (SEM), particle size distribution (PSD). The impact Claytone-3 on critical mud properties then rigorously evaluated through series experiments designed simulate downhole These focused key aspects fluid performance, emulsion stability, sag tendency, properties, filtration properties. Static dynamic tests were conducted at 275/150°F evaluate ability prevent barite sag, common issue wells. Rheological plastic viscosity (PV), yield point (YP), PV/YP ratio, measured 275°F after hot rolling (AHR) 16 hours 500 psi differential pressure assess fluid's carrying capacity hole cleaning efficiency. Finally, API performed determine effectiveness minimizing loss forming thin, impermeable filter cake. results demonstrate that enhances across all tested parameters. exhibited 2% improvement stability reference effectively mitigated both static ensuring suspension even Furthermore, yielded 1% increase PV, an 11% YP, 10% ratio MC-TONE formulated fluid, indicating improved potential. demonstrated reduction filtrate volume cake thickness, contributing wellbore stability. underscores high-performance environments. By improving resistance, control, offers promising solution enhancing efficiency, reducing non-productive time, mitigating risks associated operations.

Language: Английский

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