The data of well logging , drilling core, and seismic survey were analyzed to recognize and divide the high resolution sequence stratigraphy.

分析了高分辨率地震、测井和岩相资料以识别和划分层序界面。

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According to outcrop research, drilling core analysis, and sand distributed system drawing, we analyzed the lower member of Zhiluo Formation, northeastern Ordos basin.

作者通过露头调查、钻孔岩心分析和砂分散体系制图，对鄂尔多斯盆地东北部直罗组下段进行了成因分析。

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Through compaction hardness and analog shear rock failure test to drilling core, the paper discusses the possibility of discriminating downhole rock type by using rock acoustic emission frequency.

通过对钻井取心岩样压入硬度及模拟剪切的破岩试验，探寻利用岩石的声发射频率来判别井下岩石类型的可能性。

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As part of this lengthy process, petitioners were required to submit numerous items to the department, including detailed survey work and core drilling samples.

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Instead, there are late nights with Icahn building convictions by drilling down on two or three core issues, and lots of phone calls.

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