Based on boreholes and development data, the control of karstification to buried carbonate hill reservoir in Renqiu Oilfield has been studied.

根据大量钻井及开发动态资料，研究了任丘古潜山雾迷山组白云岩岩溶发育特征对油藏赋存的控制作用。

youdao

Based on formerly 271 boreholes' well-logging data and 8 kaolin drilling results, totally interpreted 361 kaolin seams, in which 170 proven.

根据工作区以往271个钻孔的测井资料及所施工8个钻孔的钻探成果，共解释高岭岩矿层361层，其中可靠达170层。

youdao

They assembled the climate data by measuring the distribution of dust layers seen in two ice boreholes.

BBC: The dust loggers were sacrificed at the bottom of the holes