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Geological Modeling on the Reservoir of Complicated Fault Block

Author: LiZhenHua
Tutor: YangShaoChun
School: China University of Petroleum
Course: Mineral prospecting and exploration
Keywords: Complex fault block reservoirs Shengtuo Oilfield Reservoir geological model Stochastic simulation Reservoir parameters
CLC: P618.13
Type: Master's thesis
Year: 2010
Downloads: 348
Quote: 2
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Abstract


The three - dimensional geological modeling of complex fault block reservoirs has been the focus and difficulty of the study . The papers for 1-3 sand sets wins oilfield area Shahejie reservoir high water cut stage development status quo and geological studies exist , according to the interpretation of the geology , well logging , core analysis , drilling , seismic interpretation , analysis of the structural characteristics of the reservoir , sedimentary characteristics and reservoir properties parameter characteristics ; application of phased modeling techniques to establish a 1-3 sand sets reservoir structure model , the model and deposition of sedimentary microfacies under the control of micro-phase reservoir properties model ; elaborated reservoir physical properties and reveals heterogeneity variation of reservoir properties ; research study area remaining oil distribution study and potentials, develop rational development and adjustment programs , and enhanced oil recovery have a guiding role . Mainly achieved the following results and knowledge of : ( 1) the complex fault block reservoirs and geological modeling sub- structure model , sedimentary microfacies model building and property modeling three steps ; difficulty is that the fault model , this article uses a planar structure graph digitizing to establish reservoir fault model ; ( 2 ) uncertainty modeling method established sedimentary microfacies model of the study area ; stochastic simulation methods , the establishment of a three-dimensional model of the sedimentary microfacies constraints of reservoir parameters and description of reservoir heterogeneity model; ( 3 ) phased attribute modeling to achieve a distribution of reservoir properties and the consistency of the sand body of sedimentary microfacies study area reservoir properties tend to be reasonable ; ( 4) model validation and analysis , confirmed the model and the actual subsurface geology agreement ; (5) based on the research results , the residual oil recommendations: increase the non - main small oil-bearing layer of the reservoir of 1-3 sand sets and development efforts ; take advantage of new technologies , new processes to fully tap the potential of the main layers of the remaining oil .

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