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Fracture gradient prediction: an overview and an improved method
Keywords Fracture gradient prediction Leak-off test Breakdown pressure Mud loss Fracture gradient in salt
2018/4/2
Abstract The fracture gradient is a critical parameter for drilling mud weight design in the energy industry. A new method in fracture gradient prediction is proposed based on analyzing worldwide leak...
Sequential Assimilation of Tracer Test Data by Ensemble Kalman Filter for Fracture Identification
Ensemble Kalman filter Sequential data assimilation Tracer test Fracture CVBEM
2010/9/8
Application of the ensemble Kalman filter (EnKF) to reservoir characterization has the limitation that the observed watercut data cannot be reflected for tuning model variables in some time intervals....
Effects of Well Arrangement on Characterization of Discrete Fracture Systems by Inverse Analysis of Tracer Tests
Tracer test Fracture system Inverse analysis Boundary element method
2009/7/28
Of interest in this study are the effects of well arrangement on the characterization of distributed multiple fractures through tracer tests. Numerical experiments with 1000 fracture-system realizati...
Identification of Fracture Properties by Inverse Analysis of Tracer Tests Using Genetic Algorithms
Fracture Tracer test Inverse analysis CVBEM Genetic algorithm
2009/7/24
Any fractures present in a porous medium have a greater influence on the flow of fluid than the porosity of the bulk material because the fractures are much more permeable. The tracer test, one metho...
Reducing Oil Bypassed during CO2 Flooding in Fracture-Dominated Reservoirs
Fracture-Dominated Reservoirs Oil Bypassed
2008/10/29
Injection rates play a very important role in affecting the recovery process, especially in the presence of fractures. At high injection rates faster CO2 breakthrough of CO2 and higher oil bypass were...
Analyzing Tensleep Natural Fracture Properties using X-Ray CT Scanner
X-Ray Natural Fracture
2008/10/28
This paper presents a step by step to characterize fracture properties of Tensleep formation cores using X-ray CT Scanner. Two cores from the RMOTC 48X28 well at Teapot Dome field were used as an exam...