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Clastic rock reservoir diagenetic stage characterization method, system and device and storage medium

A technology of diagenetic stage and clastic rock, applied in special data processing applications, computer-aided design, design optimization/simulation, etc., can solve problems that are not conducive to highlighting the differences in reservoir evolution process and identifying key geological elements. To achieve the effect of highlighting differences and fine characterization

Active Publication Date: 2021-02-09
YANGTZE UNIVERSITY
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  • Claims
  • Application Information

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Problems solved by technology

[0004]Existing schemes are not conducive to highlighting the differences in reservoir evolution process, and are not conducive to identifying the key geological elements that lead to the differential evolution of reservoirs

Method used

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  • Clastic rock reservoir diagenetic stage characterization method, system and device and storage medium
  • Clastic rock reservoir diagenetic stage characterization method, system and device and storage medium
  • Clastic rock reservoir diagenetic stage characterization method, system and device and storage medium

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Embodiment 1

[0035] The embodiment of the present invention provides a diagenetic stage characterization method for clastic rock reservoirs, the schematic flow chart of the method is as follows figure 1 As shown, it includes the following steps:

[0036] S1, obtain geothermal gradient, stratum burial depth, constant temperature zone burial depth and paleosurface temperature, obtain stratum ancient temperature according to described geothermal gradient, stratum burial depth, constant temperature zone burial depth and paleosurface temperature;

[0037] S2, obtain the source rock vitrinite reflectance and the ratio of illite / smectite montmorillonite according to the ancient temperature of the formation;

[0038] S3. Divide the diagenetic stage of the clastic rock reservoir according to the paleo-temperature of the formation, the reflectance of the source rock vitrinite, and the ratio of the smectite to the smectite layer.

[0039] It should be noted that the diagenetic evolution of sandstone...

Embodiment 2

[0083] An embodiment of the present invention provides a fine characterization system for diagenetic stages of clastic rock reservoirs, including a formation paleotemperature acquisition module, a reflectivity and montmorillonite ratio acquisition module, and a diagenetic stage division module;

[0084] The ancient temperature acquisition module of the stratum is used to obtain the geothermal gradient, the buried depth of the stratum, the buried depth of the constant temperature zone and the ancient surface temperature, and obtain the ancient temperature of the stratum according to the gradient of the geothermal temperature, the buried depth of the stratum, the buried depth of the constant temperature zone and the ancient surface temperature;

[0085] Described reflectivity and montmorillonite ratio acquisition module, for obtaining source rock vitrinite reflectivity and Iraqi / smectite layer smectite ratio according to the formation ancient temperature;

[0086] The diagenetic ...

Embodiment 3

[0088] An embodiment of the present invention provides a device for finely characterizing the diagenetic stage of a clastic rock reservoir, including a processor and a memory, and a computer program is stored in the memory, and when the computer program is executed by the processor, the implementation as described in the embodiment The diagenetic stage characterization method of clastic rock reservoir described in 1.

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Abstract

The invention relates to a clastic rock reservoir diagenetic stage characterization method, system and device and a storage medium, and the method comprises the steps of obtaining a ground temperaturegradient, a stratum burial depth, a constant-temperature zone burial depth and an ancient surface temperature, and obtaining the stratum ancient temperature according to the ground temperature gradient, the stratum burial depth, the constant-temperature zone burial depth and the ancient surface temperature; obtaining the vitrinite reflectance of the source rock and the montmorillonite ratio of the illite / montmorillonite mixed layer according to the stratum paleo-temperature; and dividing diagenetic stages of the clastic rock reservoir according to the stratum paleo-temperature, the vitrinitereflectance of the source rock and the montmorillonite ratio of the illite / montmorillonite mixed layer. Fine representation of the diagenetic stage of the clastic rock reservoir is achieved, and the difference of the evolution process of the reservoir can be highlighted.

Description

technical field [0001] The present invention relates to the technical field of oil and gas exploration and development, in particular to a diagenetic stage characterization method, system, device and computer-readable storage medium for clastic rock reservoirs. Background technique [0002] In the process of sedimentary burial and diagenesis, the diagenetic field, diagenetic material, diagenesis, and hydrocarbon generation capacity of clastic rocks are closely related to the diagenetic stage, and have a great impact on the properties of clastic rocks. development is important. In recent years, with the improvement of oil and gas exploration, deep and ultra-deep oil and gas exploration has become the most important exploration target in the future, and deep and ultra-deep reservoirs have experienced a more complicated diagenetic evolution process during the burial process, so the research on diagenetic stages has been strengthened , which can provide important guidance for r...

Claims

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Application Information

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IPC IPC(8): G06F30/20G06F119/08
CPCG06F30/20G06F2119/08Y02E10/10
Inventor 钱文蹈冯文杰尹太举张昌民侯国伟何苗
Owner YANGTZE UNIVERSITY
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