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    IMAGE-BASED ANALYSIS OF A GEOLOGICAL THIN SECTION
    9.
    发明公开
    IMAGE-BASED ANALYSIS OF A GEOLOGICAL THIN SECTION 审中-公开
    基于图像的地质剖面分析

    公开(公告)号：EP3298582A1

    公开(公告)日：2018-03-28

    申请号：EP16724756.8

    申请日：2016-04-28

    申请人： Saudi Arabian Oil Company

    发明人： MEZGHANI, Mokhles Mustapha ,  SHAMMARI, Salem Hamoud

    IPC分类号： G06T7/00

    摘要： Techniques for an image-based analysis of a geological thin section include (i) acquiring a plurality of images from a geological thin section of a rock sample from a subterranean zone; (ii) manipulating the plurality of images to derive a composite image; (iii) optimizing the composite image to derive a seed image; (iv) identifying, in the seed image, a particular seed pixel of a plurality of contiguous pixels that comprise an image of a grain of a plurality of grains of the rock sample in the seed image; (v) determining, with a specified algorithm, a shape of the grain based on the seed pixel; (vi) determining, based on the shape of the grain, a size of the grain; and (vii) preparing the determination of the size of the grain for presentation to a user.

    AUTOMATED SAW CUT CORRECTION FOR 3D CORE DIGITAL MODELING FROM COMPUTERIZED TOMOGRAPHY SCANNER (CTS) IMAGES
    10.
    发明公开
    AUTOMATED SAW CUT CORRECTION FOR 3D CORE DIGITAL MODELING FROM COMPUTERIZED TOMOGRAPHY SCANNER (CTS) IMAGES 有权
    自动化SÄGESCHNITTKORREKTURFÜRDIGITALE 3D-KERNMODELLIERUNG VON COMPUTERTOMOGRAFIE-SCANNERBILDERN

    公开(公告)号：EP3074948A1

    公开(公告)日：2016-10-05

    申请号：EP14809560.7

    申请日：2014-11-19

    申请人： Saudi Arabian Oil Company

    发明人： MEZGHANI, Mokhles Mustapha

    IPC分类号： G06T7/00

    CPC分类号： G06T17/10 ,  G06T3/0068 ,  G06T5/006 ,  G06T7/13 ,  G06T7/174 ,  G06T2200/08 ,  G06T2207/10081 ,  G06T2207/30172 ,  G06T2207/30181 ,  G06T2210/22

    摘要： Computer-implemented methods, systems, and non-transitory computer-readable medium having computer program stored therein are provided to enhance the accuracy and efficiency of modeling a core sample from two-dimensional images of the core sample. Embodiments of the invention include, for example, image registering a plurality of images of transverse sections of a core sample to produce aligned transverse sections and performing a saw cut correction on the aligned images to adjust the images for a slab cut. Embodiments of the saw cut correction can include, for example, identifying the saw cut line, approximating the slab cut boundary, and moving a portion of the representation of the image to the periphery of the approximated slab cut boundary. Embodiments can further include, generating three-dimensional models of the core sample and the internal composition of a borehole related to the core sample using the adjusted saw cut line images and multipoint statistics calculations.

    摘要翻译： 提供了具有存储在其中的计算机程序的计算机实现的方法，系统和非暂时性计算机可读介质，以增强核心样本的二维横截面图像对核心样本建模的准确性和效率。 本发明的实施例包括例如通过逼近横截面的边界的圆形位置并基于近似的中心点对准图像来对芯样本的横截面的多个图像进行图像配准以产生对准的横截面 界。 实施例还可以包括例如在对齐的横截面图像上执行锯切校正以调整用于板坯切割的图像，使用或多个锯切线校正图像生成使用或多个切割线校正图像的芯采样的三维模拟模型， 并使用多点统计计算产生与核心样本相关的钻孔的内部组成的三维模拟模型。