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    • 43. 发明授权
    • Determining connectivity architecture in 2-D and 3-D heterogeneous data
    • 确定2-D和3-D异构数据中的连接体系结构
    • US08365831B2
    • 2013-02-05
    • US12679641
    • 2008-11-13
    • Chul-Sung KimMark W. Dobin
    • Chul-Sung KimMark W. Dobin
    • E21B43/00
    • G01V1/32E21B43/00E21B49/00G01V1/302G01V2210/641G01V2210/644
    • A method is disclosed for determining the connectivity architecture of a hydrocarbon reservoir in terms of locally optimal paths between selected source points, e.g. wells. In one embodiment of the invention, a fast-marching method (133) is used to compute the distance field (or the time of arrival field) from N selected source points in a heterogeneous media, i.e. in a non-uniform velocity field. This is done by propagating N labeled (132) fronts simultaneously from N objects. Then, a method (134) is disclosed for detecting Voronoi curves or Voronoi surfaces, where fronts of differing labels meet each other. Then, saddle points are found on the Voronoi curves or surfaces (135), and each saddle point is used to determine a locally optimal path (136) between a pair of equidistant (from the saddle point), closest (to the saddle point) source points.
    • 公开了一种用于根据选定的源点之间的局部最佳路径来确定烃储层的连通性结构的方法,例如, 井。 在本发明的一个实施例中,快速行进方法(133)用于从非均匀介质中的N个选择的源点,即在非均匀速度场中计算距离场(或到达场的时间)。 这通过从N个对象同时传播N个标记的(132)前端来完成。 然后,公开了一种用于检测不同标签的前面彼此相遇的Voronoi曲线或Voronoi曲面的方法(134)。 然后,在Voronoi曲线或表面(135)上找到鞍点,并且使用每个鞍点来确定最接近(相对于鞍座点)的一对等距(从鞍点)的局部最佳路径(136) 来源点。
    • 46. 发明授权
    • Rapid method for reservoir connectivity analysis using a fast marching method
    • 使用快速行进方法进行油藏连通分析的快速方法
    • US07565243B2
    • 2009-07-21
    • US11884695
    • 2006-04-10
    • Chul-Sung KimMark Dobin
    • Chul-Sung KimMark Dobin
    • G06F3/00
    • G01V99/005E21B43/00G01V1/302G01V2210/641G01V2210/644
    • Methods for analyzing the connected quality of a hydrocarbon reservoir are disclosed. A model of a portion of the reservoir is divided into cells, each cell having a volume and some attributes, and wherein a speed function is assigned to a portion of the cells. A reference cell is chosen. A connectivity between cells in the reservoir is determined by solving an Eikonal equation that describes the travel time propagation, said propagating front progressing outward from a reference cell until an ending condition is met, said Eikonal equation being solved by a fast marching method with propagation velocity as a function of spatial position being provided by the speed function. Regions of the reservoir are characterized by their connective quality to the reference cell using the connectivity.
    • 公开了分析烃储层连通质量的方法。 储存器的一部分的模型被分成单元,每个单元具有一个体积和一些属性,并且其中一个速度函数被分配给该单元的一部分。 选择参考单元。 通过解决描述旅行时间传播的Eikonal方程来确定储层中的细胞之间的连通性,所述传播前沿从参考细胞向外进展直到满足结束条件,所述Eikonal方程通过具有传播速度的快速行进方法 作为由速度函数提供的空间位置的函数。 水库的区域的特点是使用连接性与参考单元的连接质量。