Fine characterization and prediction method for carbonate rock particle beach

A technology of carbonate rocks and prediction methods, applied in the direction of measuring devices, geophysical measurements, instruments, etc., can solve problems such as relative hydrodynamic force and formation mechanism differences, and achieve the effect of improving accuracy
CN109613612AActive Publication Date: 2019-04-12CHINA UNIV OF GEOSCIENCES (BEIJING)
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
CHINA UNIV OF GEOSCIENCES (BEIJING)
Publication Date
2019-04-12

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Abstract

The invention provides a fine characterization and prediction method for a carbonate rock particle beach. The fine characterization and prediction method mainly comprises the following steps that theparticle beach is identified by a "five-in-one" comprehensive identification method of the carbonate rock particle beach; a carbonate rock particle beach stratigraphic framework is established; the carbonate rock particle beach distribution mechanism analysis is performed based on a simulation experiment, and a distribution law of the carbonate rock particle beach in a study area is established; control factors of the carbonate rock particle beach is analyzed based on a palaeoenvironment and palaeogeomorphology restoration technology, and control factors of development of different types of particle beaches and the difference between the control factors are clarified; a three-dimensional geological model for the development of the carbonate rock particle beach is established; and prediction of a favorable distribution area of the particle beach is performed based on fine seismic interpretation and a fuzzy evaluation method. The fine characterization and prediction method for the carbonate rock particle beach can objectively and realistically perform restoration study on the underground distribution of the particle beach, and can utilize the modern sedimentary phenomenon to study the distribution law of the ancient particle beaches.
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Description

technical field

[0001] The invention relates to the reservoir prediction field of petroleum and natural gas geological exploration and development, in particular to a fine description and prediction method of carbonate rock grain banks. Background technique

[0002] The exploration of marine carbonate reservoirs mainly focuses on reef reservoirs, dolomite reservoirs and fractured reservoirs. With the continuous improvement of oil and gas exploration technology and the increasing demand for oil and gas resources, carbonate rock shoal reservoirs have become a very important object of oil and gas exploration. In terms of the genesis of carbonate rock shoals, most of them are limited to the carbonate platform setting where the granules are formed under the action of high-energy currents. However, there are differences in the composition of different types of particles, the size of relative hydrodynamic forces, and the formation mechanism. Therefore, it is an important task for...

Claims

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