Ternary classifying method for oil and gas reservoir

Abstract

The ternary oil and gas reservoir classifying method for oil and gas exploration and development includes: the first step of studying geological condition of oil reservoir to obtain the basic data of oil reservoir; the second step of deterring the oil bearing flow property in the oil reservoir according to the comprehensive results of logging oil and gas display and electric logging; the third step of drawing the oil reservoir cross profile chart according to the data of the foregoing steps; and the fourth step of calculating the reservoir forming contribution values of structure, dislocation and lithology and determining the name of oil reservoir according to the contribution values, the chart I and the map I of the present invention. The present invention solves the quantitative classification problem of oil and gas reservoir and makes the classification of complicated oil and gas reservoirs precise.

Description

Technical field: [0001] The invention relates to a ternary classification method for oil and gas reservoirs in oil and gas exploration and development. Background technique: [0002] There are many kinds of oil and gas reservoirs in nature, and the basic characteristics and distribution rules of oil and gas reservoirs should be classified first. Reservoir classification is an important content in petroleum geology research. It is not only the research of basic theory, but also the research with strong application. No matter from the perspective of theoretical understanding or production practice, it is very necessary to establish a reasonable classification method of oil and gas reservoirs. [0003] Looking at the classification methods of oil and gas reservoirs in the past, especially for the purpose of oil and gas exploration, they are usually classified according to the trap shape and trap genesis, and have played an important role in the practice of oil and gas explora...

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to provide a new ternary classification method for oil and gas reservoirs in oil and gas exploration and development, which follows the scientificity and practicality of oil and gas reservoir classification, especially the classification of oil and gas reservoirs in sandstone reservoirs, which solves the problem of conventional oil and gas reservoirs.

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