Comprehensive Evaluation And Interpretation System Of Oil And Gas Exploration

Petroleum Geophysical is an important means to explore underground oil and gasresources, the usual seismic exploration’s method can more accurately understand thesubsurface structure, geological horizons and faults distribution.But in the actualexploration, especially marine exploration, it was discovered that the results of theseismic exploration drilling results are often hit well and dry well。Because the waterand the oil are not very different in density and velocity,it’s not good reling on theseismic exploration to judge the target layer’s situation, so we need to use acomprehensive logging, and electromagnetic exploration methods。Oil and gas exploration system which is based on the marine electromagneticexploration is about the result of the evaluation and inerpertation，and containscomprehensive reference earthquake, offshore oil and gas reservoir evaluation ofdrilling data。The system through the integration of a variety of attribute data, allowsusers to conduct oil and gas reservoir evaluation, and improves the accuracy ofreservoir analysis and interpretation。 However, multi-attribute fusion takes morecomputing time, the conventional CPU rendering techniques for data fusioncalculations or body color at first, then using the discrete data to be rendered into asquare or triangle primitives, at last, submiting the result to the OpenGL to display。Using conventional technology of large-scale data volume rendering efficiency is verylow, for this GPU rendering technology is studied, and the data will be rendered in theform of texture directly submitted to the GPU, color interpolation and fusion afterprocessing by the GPU render directly, can greatly improve the efficiency of the threedimensional multiple attribute data rendering。 Paper for multiple attribute fusionbased on GPU2,3D rendering technology were studied, and the comprehensiveevaluation of oil and gas exploration interpretation system has carried on the analysis, design, combination of Qt4and OpenGL technology to achieve the complete softwaresystem, the system can be dispersed into3D data volume, electromagnetic andearthquake to open, save, data import (earthquake electromagnetic data and testing),3D data volume, slice, explain the horizon three-dimensional display and interactiveprocessing, such as provides users with a complete set of Marine reservoir evaluation toexplain plan, greatly improving the interpretation of credibility.