Hydrodynamic modeling of mud loss controlled by the coupling of discrete fracture and matrix

Xia, Yang; Jin, Yan; Chen, Mian; Chen, Kang Ping; Lin, Bo Tao; Hou, Bing

doi:10.1016/j.petrol.2014.07.026

Cited by 35 publications

(3 citation statements)

References 25 publications

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“…Wang et al [14] developed a model that could predict the pre-spud drilling fluid loss rate based on the finite element analysis. Xia et al [15,16] developed a two-scale model to simulate drilling fluid loss in fractured formation. Two different flow models were used to describe the flow in matrix and fracture.…”

Section: Introductionmentioning

confidence: 99%

A new model for predicting fluid loss in fracture-porosity reservoir

Liu

Zhang

Qian

et al. 2021

Oil Gas Sci. Technol. – Rev. IFP Energies nouvelles

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Drilling fluid loss always occurs in fracture-porosity reservoirs and it causes severe problems. To reduce and prevent lost circulation, it is important to get to know the cause and the characteristic of drilling fluid loss. According to the approach in the reservoir simulation and well test analysis, a new model for drilling fluid loss in fracture-porosity reservoir is presented. Multi fractures in the formation and drilling fluid seepage between fracture and rock matrix have been considered in the model. The governing equations are derived based on the principle of conservation of mass. The model is solved numerically using Newton-Raphson iterative method. The obtained results indicate that drilling fluid leak-off has great influence on the total leakage volume. It is necessary to consider the impact of the drilling fluid leak-off. In addition, influence of formation properties, such as fracture stiffness, rock matrix porosity, rock matrix permeability, and operation factors, such as pressure difference between wellbore and formation, are also analysed in detail in the paper which could help better understand the factors that influence the drilling fluid loss during drilling operation.

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Section: Introductionmentioning

confidence: 99%

A new model for predicting fluid loss in fracture-porosity reservoir

Liu

Zhang

Qian

et al. 2021

Oil Gas Sci. Technol. – Rev. IFP Energies nouvelles

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show abstract

“…Various formation evaluation techniques and geostatistical methods can be used to infer fracture network special statistics (Qasem et al, 2008). Discrete fracture method has been successfully used in modeling fluid flow in fractured porous media by randomly generating fractures according to the statistical distributions of fracture parameters (Long et al, 1985;Cacas et al, 1990;Xia et al, 2014). Probability distributions derived from geostatistical study are used for fracture parameter sampling (e.g.…”

Section: Introductionmentioning

confidence: 99%

Numerical investigation of fluid-loss mechanisms during hydraulic fracturing flow-back operations in tight reservoirs

Wang

Leung

2015

Journal of Petroleum Science and Engineering

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“…Siendo esta, la causa principal de problemas durante la perforación (Moazzeni et al, 2011;Avila-Parra y Ramirez-Boada, 2019). Se han propuesto métodos para estudiar el fenómeno de pérdidas de fluido a través de formaciones fracturadas, analizando la interacción entre el fluido de perforación y la cara de pozo (Xia et al, 2015a;2015b).…”

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Estimación de pérdidas de lodo a través de fracturas mediante modelamiento matemático y su validación mediante un modelo físico

Vargas-Silva,

Uribe-Joya,

Calderón-Carrillo

et al. 2024

Bol. Geol.

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Las pérdidas de fluido pueden ocurrir a través de formaciones fracturadas o en zonas permeables, especialmente cuando hay bajas presiones. Este evento incrementa los tiempos no productivos en operaciones de perforación, lo que aumenta los costos. Lo anterior genera la necesidad de entender la interacción entre el fluido de perforación y las fracturas presentes en la formación. Para ello, se propone una metodología que tiene dos enfoques, uno numérico basado en modelos reológicos y balance de la ecuación de movimiento, y uno físico basado en la teoría de escalado. Para el modelo numérico se plantean las ecuaciones que permiten calcular el perfil de velocidad en función de las propiedades del fluido y geometría de fractura. Para el modelo físico se toman muestras de roca reales, se construye la fractura con un ancho y geometría controlada, a través del cual se hace circular un lodo, cuyas propiedades fueron escaladas y determinadas en laboratorio. Los resultados del modelo físico y numérico fueron comparados para diferentes reologías y anchos de fractura, concluyendo que el modelo matemático sí representa el fenómeno de pérdidas especialmente para bajas viscosidades. Para altas viscosidades es necesario corregir por rugosidad, aun así, el resultado muestra una tendencia similar, confirmando que reproduce el fenómeno.

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Hydrodynamic modeling of mud loss controlled by the coupling of discrete fracture and matrix

Cited by 35 publications

References 25 publications

A new model for predicting fluid loss in fracture-porosity reservoir

A new model for predicting fluid loss in fracture-porosity reservoir

Numerical investigation of fluid-loss mechanisms during hydraulic fracturing flow-back operations in tight reservoirs

Estimación de pérdidas de lodo a través de fracturas mediante modelamiento matemático y su validación mediante un modelo físico

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