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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2016.1
- 수록면
- 69 - 76 (8page)
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In the development process of fractured-vuggy carbonate reservoir with large-scale caves, the location and size of cave affect the development program. This paper takes the large-scale cave as equipotential body, treats matrix and fracture as double porous media, and establishes the flow model. Laplace transform is used to simplify the model, and then the model is solved using boundary element method. Considering the wellbore storage effect and skin effect, the bottomhole pressure-transient curve is obtained using Stefest numerical inversion method. Comparing the results of analytical solution and boundary element method in the dual porosity medium illustrate the accuracy of this model. The sensitivity of cave parameters is analyzed. It shows that the larger the cave radius is, the stronger the convex and concave of curve is. The convex is earlier and concave is sooner when cave is closer to the well. The segment of convex keeps longer and the concave margin is greater with the larger compressibility ratio. Finally, as an application example, actual test data from a large-scale cave reservoir is analyzed using this model, and the location and size of cave are obtained. It has a certain significance for the reserve evaluation and well test in this reservoir.
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참고문헌 (24)
참고문헌 신청
Aadland, A. / 1992 / New field simulation strategy with detailed element models and flux boundary conditions: Statfjord field case study / SPE European Petroleum Computer Conference
Camacho, R. / 2005 / Pressure-transient and decline-curve behavior in naturally fractured vuggy carbonate reservoirs / SPE Annual Technical Conference and Exhibition
Di, Y. / 2013 / A method to determine the size limit between dissolution pores and vugs in triple medium / Journal of Basic Science and Engineering 21:692~701
Gomez, S. / 2014 / Well test analysis of naturally fractured vuggy reservoirs with an analytical triple porosity-double permeability model and a global optimization method / Oil & Gas Science and Technology 69:653~671
Gulbransen, A. F. / 2008 / A multiscale mixed finite-element method for vuggy and naturallyfractured reservoirs / 21 Nordic Seminar on Computational Mechanics
Camacho, R. / 2005 / Pressure-transient and decline-curve behavior in naturally fractured vuggy carbonate reservoirs / SPE Annual Technical Conference and Exhibition
Di, Y. / 2013 / A method to determine the size limit between dissolution pores and vugs in triple medium / Journal of Basic Science and Engineering 21:692~701
Gomez, S. / 2014 / Well test analysis of naturally fractured vuggy reservoirs with an analytical triple porosity-double permeability model and a global optimization method / Oil & Gas Science and Technology 69:653~671
Gulbransen, A. F. / 2008 / A multiscale mixed finite-element method for vuggy and naturallyfractured reservoirs / 21 Nordic Seminar on Computational Mechanics
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