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NTIS 바로가기자원환경지질 = Economic and environmental geology, v.53 no.4, 2020년, pp.479 - 489
배우람 (부경대학교 에너지자원공학과) , 하완수 (부경대학교 에너지자원공학과)
A fault is a geological structure that can be a migration path or a cap rock of hydrocarbon such as oil and gas, formed from source rock. The fault is one of the main targets of seismic exploration to find reservoirs in which hydrocarbon have accumulated. However, conventional fault detection method...
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핵심어 | 질문 | 논문에서 추출한 답변 |
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단층은 어떠한 역할을 할 수 있는 지질구조인가? | 근원암에서 형성된 석유 · 가스 등 탄화수소가 이동하는 통로의 역할과 탄화수소를 가두는 덮개암의 역할을 할 수 있는 지질구조인 단층은 탄화수소가 축적된 저류층을 찾기 위한 탄성파 탐사의 주요 대상이다. 탄성파 영상에서 단층은 측면 방향 불연속성이 나타나기 때문에 일반적으로 단층의 위치 해석을 위해 유사성 (Marfurt et al. | |
어떠한 특징을 바탕으로 다양한 분야에서 머신러닝 기술들이 활용되고 있는가? | 서포트 벡터머신은 선형 혹은 비선형 분류와 회귀, 다층퍼셉트론과 심층 신경망은 복잡한 비선형 분류와 회귀, 합성곱 신경망은 이미지 처리 분야에서 뛰어난 성능을 보이고 있다. 한번 훈련을 진행한 머신러닝 모델은 재사용이 가능하기 때문에 장기적으로 시간과 계산 비용을 절약할 수 있다. 또한 훈련된 모델 구조의 일부 또는 전체를 유사한 문제를 해결하기 위한 머신러닝 모델의 구조로 사용하는 전이학습을 통해 훈련에 필요한 시간과 계산 비용을 절약할 수 있다. 이러한 특징을 바탕으로, 많은 연구자가 다양한 분야에서 머신러닝 기술들을 활용하고 있다(Géron, 2017). | |
탄성파 자료의 측면 방향 불연속성을 활용하는 단층 감지 방법은 어떠한 문제가 있는가? | 단층은 근원암에서 형성된 석유 가스 등의 탄화수소가 이동하는 통로이자 탄화수소를 가두는 덮개암의 역할을 할 수 있는 지질구조로, 탄화수소가 축적된 저류층을 찾기 위한 탄성파 탐사의 주요 대상 중 하나이다. 하지만 기존의 유사성, 응집성, 분산, 기울기, 단층가능성 등 탄성파 자료의 측면 방향 불연속성을 활용하는 단층 감지 방법들은 전문지식을 갖춘 해석자가 많은 계산 비용과 시간을 투자해야 한다는 문제가 있다. 따라서 많은 연구자들이 단층 해석에 필요한 계산 비용과 시간을 절약하기 위한 다양한 연구를 진행하고 있고, 최근에는 머신러닝 기술을 활용한 연구들이 활발히 수행되고 있다. |
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