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2 results about "Fault block" patented technology
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Fault blocks are very large blocks of rock, sometimes hundreds of kilometres in extent, created by tectonic and localized stresses in the Earth's crust. Large areas of bedrock are broken up into blocks by faults. Blocks are characterized by relatively uniform lithology. The largest of these fault blocks are called crustal blocks. Large crustal blocks broken off from tectonic plates are called terranes. Those terranes which are the full thickness of the lithosphere are called microplates. Continent-sized blocks are called variously microcontinents, continental ribbons, H-blocks, extensional allochthons and outer highs.
Complex fault block different type reservoir side drilling potential evaluation method, system, electronic equipment and computer readable storage medium
This invention discloses a method, system, electronic device, and computer-readable storage medium for evaluating the sidetracking potential of different types of reservoirs in complex fault blocks. The method includes: determining the reservoir type; selecting evaluation indicators affecting the sidetracking potential of different reservoir types; establishing the weights of each evaluation indicator; determining the distribution of evaluation levels and the corresponding evaluation classification standards for each evaluation indicator in each evaluation level; establishing an unknown single-indicator measurement function; statistically analyzing the actual values of each evaluation indicator for the target reservoir; determining the quantitative value of a single indicator; classifying the sidetracking potential levels based on the comprehensive evaluation of multiple indicators; and calculating the comprehensive score based on the comprehensive evaluation vector of multiple indicators and the assignment of evaluation space. This invention proposes the concept of evaluating sidetracking potential by reservoir type, accurately characterizing the size of the sidetracking potential of the target area, and compensating for the inaccurate potential evaluation when using the same parameters for reservoirs with different conditions; it also establishes an unknown single-indicator measurement function, realizing the hierarchical and quantitative analysis of geological parameters in the target area.
Owner:PETROCHINA CO LTD
A method and system for three-dimensional modeling of ore bodies based on multi-source exploration geological data
This invention relates to the field of geological exploration and 3D geological modeling technology, specifically a method and system for 3D modeling of ore bodies based on multi-source exploration geological data. The method includes: acquiring multi-source spatial discrete data and spatial continuous gradient data within a preset 3D spatial range, and constructing a spatial voxel mesh based on the multi-source spatial discrete data and spatial continuous gradient data; calculating the spatial metric tensor matrix of each voxel node in the spatial voxel mesh to generate a spatial topological barrier field; using the source point of the target object as the initial zero-order jump set to generate an initial symbolic distance field; extracting the zero isosurface of the initial symbolic distance field to obtain the Euclidean deviation residual; if the Euclidean deviation residual exceeds a preset residual threshold, continuing until the Euclidean deviation residual does not exceed the residual threshold; when the Euclidean deviation residual does not exceed the residual threshold, generating a 3D triangular mesh of the target object. This invention achieves simultaneous continuous generation of the ore body surface and fault blocking.
Owner:SI CHUAN SHENG ZI RAN ZI YUAN TOU ZI JI TUAN WU TAN KAN CHA YUAN YOU XIAN GONG SI