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我们提出一项新技术,在不能采用岩芯与测井图像的直接对比给岩芯重新定向时,该技术能够在岩芯采取率较低的情况下利用质量较差的钻孔图像给岩芯定向。这样,就大大扩展了钻孔图像的应用,特别是对于大洋钻探计划(ODP)经常在恶劣环境中施工的钻孔,更有价值,首先我们介绍该技术用于ODP第147航程采集的岩芯和录取的FMS(岩层显微扫描仪)测井图像的情况(该航程是在894工地进行钻探,钻到了出露在赤道东太平洋赫斯海渊裂谷的下部洋壳岩石)。然后,我们再讨论重新定向岩芯资料的地质意义及其与研究下部洋壳构造和构造演化的关系。
We propose a new technique that can make use of poor quality borehole images of cores when core reac- tions are not directly applicable to core alignment with log images Orientation. This greatly expands the application of borehole images, especially for the drilling of holes often drilled in harsh environments by the ODP program. First, we introduce the technique for the core of the ODP 147th acquisition And enrolled FMS (Formation Micrograph) logging images (the voyage was drilled at site 894 and drilled to the lower crust of the Hess Sea Rift, equatorial Eastern Pacific). We will then discuss the geological implications of reorientation core data and their relationship with the study of the oceanic crustal structure and tectonic evolution.