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Drilling Uncertainty – What Does the Drilling Fluid Have To Do With It?

Recorded On: 09/10/2019

Critical drilling issues are usually associated with convergence of pore and fracture pressure, and are intimately connected to the downhole behavior of drilling fluids and uncertainties associated with predicting their behavior during well construction. Top areas of operational concerns, such as lost circulation, hole-cleaning, barite sag, wellbore stability, stuck pipe, etc. all share a common thread in hydraulics, and continue to plague drilling operations and efficiencies. From shallow sections to well completions, the drilling fluid and its imposed pressures represent the primary barrier for well control, and fluid hydraulics affects every stage of well construction.

Current measurements provide at best a partial view of downhole pressure windows, and software technologies are necessary to fill in the gaps. A classic example includes optimum speeds for running casing where no downhole measurements currently exist. While the consequences of hydraulics-related problems are well documented, deeper understanding of downhole drilling fluid behavior is plagued by difficult to model dynamic conditions and transient operations. Uncertainties in predicting or simulating drilling fluid behavior impact monitoring and optimizing drilling performance. This presentation will highlight how drilling fluids affect uncertainties in pressure estimates and present strategies to quantify and overcome deficiencies.

Dr. Sanjit Roy

Global Engineering Applications Director, QMAX Solutions

Dr. Roy has spent more than 25 years in the areas of drilling fluid research and technology development, specifically in hydraulics, rheology, and real-time analysis of drilling and drilling fluids performance and related areas. He has managed and also developed software to model drilling fluid behavior and drilling processes. He has made many SPE and AADE workshop presentations, and facilitated SPE forums on drilling fluid modeling, hydraulics, ECD management and real-time processes. He has more than 40 industry publications and is a member of SPE and AADE.

Dr. Roy has a B. Tech. in Mining Engineering from IIT Kharagpur, and MS and Ph.D. in Petroleum Engineering from University of California, Berkeley.

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09/10/2019 at 9:30 AM (EDT)   |  90 minutes
09/10/2019 at 9:30 AM (EDT)   |  90 minutes
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0.15 CEU/1.5 PDH credits  |  Certificate available
0.15 CEU/1.5 PDH credits  |  Certificate available