单井与多井综合解释（Comprehensive interpretation of single well and multi well）.docVIP

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单井与多井综合解释（Comprehensive interpretation of single well and multi well）.doc

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单井与多井综合解释（Comprehensive interpretation of single well and multi well）

单井与多井综合解释（Comprehensive interpretation of single well and multi well） Comprehensive interpretation of single well and multi well Section 1 comprehensive interpretation of single well data The basic task of comprehensive interpretation of logging data is to study and evaluate the oil and gas reservoirs in well profile. The main task is to determine the lithology of the formation, divide the oil and gas, and water layers, and calculate the geological parameters and oil and gas reserves of the oil and gas reservoirs. 1, the general process and the content of each process of the comprehensive interpretation of single well data According to the process of comprehensive interpretation of well logging data, the steps can be generally divided into: the selection of logging series, Logging data acquisition, Preprocessing of well logging data, Judgement of formation lithology, Logging division of reservoir, Computer processing of reservoir geological parameters, Reservoir, oil and gas, water property analysis, Drawing a production plan, Perforation test and analysis process. The choice of logging series The so-called logging series refers to various logging methods used in a well logging. Due to the geological physical characteristics reflect various logging methods are not consistent, need to choose different logging methods combination logging, logging data acquisition reflect the physical properties of the strata, in order to make accurate assessment of the geological characteristics of wells. According to the geological characteristics of the well section, it is generally divided into sand shale profile and carbonate profile. At present, the logging series adopted in two well profiles in China can be summarized as follows: Resistivity logging: deep, shallow, double lateral, deep, medium induction, micro lateral, microsphere aggregation, microelectrode and so on. Porosity logging: compensating sonic waves, compensating density or lithology density, compensating neutron, et