基于非均衡数据的ADASYN-CatBoost测井岩性智能识别——以胶西北招贤金矿床为例

许方颖,邹艳红,易卓炜,杨福强,毛先成

ADASYN-CatBoost Method for Intelligent Identification of Logging Lithology Considering Unbalanced Data：A Case Study of Zhaoxian Gold Deposit in Northwestern Jiaodong Peninsula

Fangying XU,Yanhong ZOU,Zhuowei YI,Fuqiang YANG,Xiancheng MAO

表1 部分测井数据训练集

Table 1 Part of logging data training set

电阻率/（Ω·m） 自然伽马/API 自然电位/mV 岩性 编码 84.6 30.8 23.04 钾化绢英岩化花岗质碎裂岩 10 79.2 54.6 23.10 黄铁绢英岩化碎裂岩 9 90 53.2 6.09 绢英岩化花岗质碎裂岩 4 76.5 40.6 13.94 绢英岩化花岗岩 6 99 23.8 27.70 中粒含黑云二长花岗岩 3 ? ? ? ? ? 94.5 43.4 19.03 含黑云二长花岗岩 7 83.7 32.2 16.97 钾化绢英岩化花岗质碎裂岩 10 1 584.9 39.2 4.74 钾化花岗质碎裂岩 2 75.6 39.2 12.01 绢英岩化花岗岩 6 93.6 54.6 21.97 中粒含黑云二长花岗岩 3