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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

Active Publication Date: 2019-04-12
CHINA UNIV OF GEOSCIENCES (BEIJING)
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Problems solved by technology

However, there are differences in the composition of different types of particles, the size of the relative hydrodynamic force and the formation mechanism.

Method used

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  • Fine characterization and prediction method for carbonate rock particle beach
  • Fine characterization and prediction method for carbonate rock particle beach
  • Fine characterization and prediction method for carbonate rock particle beach

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Embodiment Construction

[0039] The present invention will be described in detail below in conjunction with the accompanying drawings and embodiments. The exemplary embodiments and their descriptions are only used to explain the present invention, not to limit the present invention.

[0040] In the Shuntuoguole area of ​​the Tarim Basin in China, carbonate rock platforms are widely developed, with a large age span, large thickness, and wide distribution. The carbonate rock grain banks are difficult to describe and predict finely, which has become an important problem in the practice of exploration and development. Taking the research on fine characterization and prediction of carbonate rock shoal as an example, the technical solution of the present invention will be further described in detail.

[0041] This embodiment provides a method for fine characterization and prediction of carbonate rock shoals, which includes the following steps, such as figure 1 Shown:

[0042] Step S1: Use the "five-in-one"...

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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.

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...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01V1/30
CPCG01V1/301
Inventor 高志前樊太亮向曼商雅欣
Owner CHINA UNIV OF GEOSCIENCES (BEIJING)
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