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논문

순차적 수치 해석법에 기반한 유체유동, 지반역학, 지구물리학의 통합 전산모델 개발

Development of an Integrated Simulator for Coupled Flow, Geomechanics, and Geophysics Based on Sequential Approaches

김지훈|윤상철|엄찬기
한국자원공학회 (The Korean Society of Mineral and Energy Resources Engineers)|2020.06|한국자원공학회지 (Journal of the Korean Society of Mineral and Energy Resources Engineers)|제57권 제3호|pp. 309-317

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참고문헌

키워드

수치적 안정성Numerical stability유동과 지반역학의 연계성통합 저류층 전산모사순차 해석법Coupled flow and geomechanicsIntegrated reservoir simulationSequential approach
주제분류자원공학

초록

이산화탄소 지중저장, 셰일가스 및 가스 하이드레이트의 비전통석유자원 개발과정에서 복잡한 물리현상의 해석이 필수적이다. 보다 현장지향적인 분석을 위해서는 다상 유체거동, 지반공학, 지구물리 이론을 통합한 전산모델 개발이 요구된다. 이 논문에서는 개별 공학이론을 안정적이고 효과적으로 통합할 수 있는 순차적 전산모델 개발과정을 서술하였다. 이산화탄소 지중저장 전산모사를 통해 개발한 순차적 통합전산모델의 적용성을 검증하였다.

Abstract

We have identified complex coupled physical processes exist in CO2 sequestration or development of unconventional resources including shale gas plays and gas hydrate deposits. These coupled physical processes include multiphase flow, geomechanics, and geophysics, which requires a simulator that integrates those individual simulators to understand the complex physics in reservoir engineering. In this study, we first introduce how to integrate the individual existing simulators stably and effectively. Specifically, we focus on a sequential method that can provide numerical stability and accuracy. Then, we introduce an example of electromagnetic application to CO2 sequestration.

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