Multi-well placement optimisation using sequential artificial neural networks and multi-level grid system
- 주제(키워드) sequential artificial neural network , multi-level grid system , multi-well placement , optimisation
- 주제(기타) Energy & Fuels
- 주제(기타) Engineering, Chemical
- 주제(기타) Engineering, Petroleum
- 설명문(일반) [Jang, Ilsik; Oh, Seeun; Kang, Hyunjeong; Na, Juhwan] Chosun Univ, Dept Energy & Resources Engn, 309 Pilmun Daero, Gwangju 61452, South Korea; [Min, Baehyun] Ewha Womans Univ, Dept Climate & Energy Syst Engn, 52 Ewhayeodae Gil, Seoul 03760, South Korea
- 관리정보기술 faculty
- 등재 SCIE, SCOPUS
- 발행기관 INDERSCIENCE ENTERPRISES LTD
- 발행년도 2020
- URI http://www.dcollection.net/handler/ewha/000000172395
- 본문언어 영어
초록/요약
This study suggests a sequential artificial neural network (ANN) method coupled with a multi-level grid system to optimise multi-well placement in petroleum reservoirs. As the number of scenarios for placing wells increases exponentially with the number of wells, the difficulty in finding the global optimum increases accordingly due to the intrinsic uncertainty of ANNs. The multi-level grid system can reduce the size of the search space by allocating only one well grid block per several grid blocks in the basic grid system. A higher level of grid system consists of finer grid blocks to gradually improve the resolution of the grid system. Repetitive implementation of the sequential ANN at each level of the grid system narrows the search space, and the global optimum is determined. The proposed algorithm is validated with applications to two- and three-infill-well problems in a coal-bed methane (CBM) reservoir.
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