Method of volcanic rock oil deposit effective reservoir quantitative classification

Abstract

The invention provides a method of volcanic rock oil deposit effective reservoir quantitative classification. The method comprises the following steps of obtaining reservoir quality parameters of a reference volcanic rock reservoir; utilizing a K-means dividing and clustering method to conduct clustering analysis on the reservoir quality parameters to build a classification standard of the volcanic rock oil deposit effective reservoir; based on the classification standard of the volcanic rock oil deposit effective reservoir, utilizing a linear judgment function method to build a linear judgment function of various effective reservoirs; based on the linear judgment function, determining the type of a target volcanic rock reservoir. According to the technical scheme, technological support can be further provided for oil deposit efficient development and deployment, and favorable reference can also be provided for perfecting the classification evaluation standard and the technological system of the volcanic rock oil deposit effective reservoir.

Description

technical field [0001] The invention relates to a method for quantitatively classifying effective reservoirs of volcanic rock reservoirs, belonging to the technical field of rock reservoir development. Background technique [0002] In the history of petroleum exploration and development in the world, clastic rock and carbonate rock reservoirs are often the main objects of oil and gas reservoir exploration and development, while relatively deep buried volcanic rock reservoirs, due to their complex lithology and lithofacies characteristics, Reservoir identification and distribution prediction are difficult and often neglected by us. [0003] Since the beginning of the 20th century, with the development of the petroleum industry and the continuous improvement of exploration and development technology, the exploration and development of volcanic oil and gas reservoirs at home and abroad have been continuously successful, such as the United States, Cuba, Japan, Ghana and other co...

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Problems solved by technology

[0006] At present, there is still a lack of mature and effective methods and technologies for the classification and evaluation of effective reservoirs in volcanic rock reservoirs, which restricts the efficient development of high-quality reservoirs in this type of reservoirs

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