Research on fast identification model of water-flooded layer in old oilfield-- Taking Xingbei area of Daqing Oilfield as an example
نویسندگان
چکیده
After long-term water flooding development in old oilfields, oil layers are generally flooded. Accurate and rapid recognize the layer is key to later infill well layout plan adjustment. In this paper, taking Xingbei area of Daqing Oilfield as an example, on basis clarifying characteristics water-flooded curve, through logging curve optimization, data preprocessing algorithm model optimization processes, a identification suitable for block established. The results show that HAC, CAL, RLLS RMG curves with hidden duplicate information can be removed correlation screening importance score tree model, which reduce amount calculation. When four algorithms used identify level each layer, recognition rate XGboost reach up 95.45%; reliability result has been confirmed verification process (87.89%), further shows
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ژورنال
عنوان ژورنال: E3S web of conferences
سال: 2022
ISSN: ['2555-0403', '2267-1242']
DOI: https://doi.org/10.1051/e3sconf/202235801027