期刊
GEOCARTO INTERNATIONAL
卷 36, 期 7, 页码 820-838出版社
TAYLOR & FRANCIS LTD
DOI: 10.1080/10106049.2019.1622602
关键词
Geospatial information system; uncertainty; hydrocarbon exploration; Dempster-Shafer theory; fuzzy set
类别
资金
- University of Tehran Vice President for Research [8103002/6/46]
This study proposes a method to manage spatial uncertainties during the hydrocarbon exploration process using a geospatial information system and soft computing methods, calculating the geologic risk interval through uncertainty estimation to improve the quality of risk analysis.
One of the most important reasons for the existence of geologic risk during the hydrocarbon exploration process is related to uncertainties in geospatial data and models employed for data fusion. This study proposes a geospatial information system-assisted approach integrated with soft computing methods to manage spatial uncertainties during the hydrocarbon exploration process. A framework was designed to illustrate the process of calculating the geologic risk interval of each hydrocarbon structure and its estimation of uncertainties. The model enhances the geologic risk analysis of a Dempster-Shafer data-driven method by a fuzzy logic approach. The resultant hybrid method showed high predictive power with the area under the success and predictive curves being 82.2 and 75.9%, respectively. According to the results, the proposed hybrid method has improved the quality of risk analysis.
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