Effect Dynamic Fluid of a new configuration of a nozzle of the bit PDC about the pressure differential
Published 2022-06-30
Keywords
- Computational Fluid Dynamics,
- Drill Bit,
- Drilling,
- Non-Newtonian Fluid,
- Overbalance Drilling
- Underbalanced Drilling,
- Dynamic Underbalanced Drilling ...More
How to Cite
Copyright (c) 2022 Escuela de Petróleos, Universidad Industrial de Santander
This work is licensed under a Creative Commons Attribution 4.0 International License.
Abstract
Operational costs associated with oil extraction have risen significantly over the past 10 years. In addition, it has been shown that oil price fluctuations have represented a challenge for oil companies that have to search for strategies to improve the performance of each process associated with hydrocarbon exploration, such as well planning and drilling (Amer et al., 2017). Research in this field aims to reduce drilling time. To achieve this goal the optimization of drilling parameters is necessary including mud behavior, well integrity, and bit performance to improve the rate of penetration (ROP). (Mohammed et al., 2018). Bit performance represents a key factor in drilling improvement and reduction of associated costs. Through modifications in the body, cutters, or nozzles, about conventional bits, better performance can be achieved from a technical and financial point of view. This study focuses on analyzing the effect of the modification of the nozzle angle for a PDC drill bit through the simulation of the mud behavior using Computational Fluid Dynamics. Results show that modifications of ninety degrees in nozzle angle manage to reduce the output pressures from the drill bit to differentials of up to 1200 psi; this has been generated between the formation and the outlet of the nozzles, allowing a low balance state between the drill bit and the well, which contributes to the increase of the ROP.
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References
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