Method for counting large-scale charging time of ore-bearing strata oil gas of sandstone-type uranium ore

A sandstone-type, large-scale technology, applied in the field of statistics of large-scale oil and gas filling time in sandstone-type uranium ore-bearing layers, can solve the problems of geological conditions, oil and gas escape, etc. that cannot reach the indirect dating of authigenic illite and inclusions

Inactive Publication Date: 2019-12-20
BEIJING RES INST OF URANIUM GEOLOGY
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Problems solved by technology

However, for the sandstone-type deposits with the characteristics of "produced in the basin margin, shallow buried, low formation temperature and pressure, completely open s...

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  • Method for counting large-scale charging time of ore-bearing strata oil gas of sandstone-type uranium ore
  • Method for counting large-scale charging time of ore-bearing strata oil gas of sandstone-type uranium ore
  • Method for counting large-scale charging time of ore-bearing strata oil gas of sandstone-type uranium ore

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Embodiment Construction

[0025] A method for counting the large-scale oil and gas charging time of the sandstone-type uranium ore-bearing layer of the present invention will be described in detail below in conjunction with the accompanying drawings and examples.

[0026] A method for counting the large-scale oil and gas charging time of sandstone-type uranium ore-bearing layers, specifically comprising the following steps:

[0027] Step S1: Data-related geological data, including the research status of the internal relationship between hydrocarbon fluids and uranium mineralization, the age of hydrocarbon generation-oil and gas accumulation of source rocks in the basin, and the age of sandstone-type uranium deposits;

[0028] Step S2: collecting ore-bearing sandstone samples in sandstone-type uranium mining areas, including rich ore samples and ore-free samples;

[0029] Step S3: Make the rich ore sample into a fluid inclusion sheet, select apatite from the ore-free sample, and observe the fluid inclus...

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Abstract

The invention belongs to the technical field of uranium ores, and particularly relates to a geological method for counting large-scale charging time of ore-bearing strata oil gas of sandstone-type uranium ore. The geological method comprises the steps of S1, preparing related geological document; S2, acquiring an ore-bearing strata sandstone sample of the sandstone-type uranium ore, including an ore-rich sample and an ore-free sample; S3, fabricating fluid inclusion from the ore-rich sample, selecting apatite from the ore-free sample, and observing the fluid inclusion; S4, completing temperature measurement operation of the fluid inclusion on the basis of fluid inclusion observation, and performing comprehensive analysis on uniform temperature data to obtain a uniform temperature peak; S5,inverting thermal evolution history of ore-bearing strata of the sandstone-type uranium ore by apatite fission track method; and S6, projecting the uniform temperature peak obtained in the step S3 onto the thermal evolution history of the ore-bearing strata obtained in the step S4, and indirectly counting large-scale charging time and issue of the ore-bearing strata oil gas of the sandstone-typeuranium ore.

Description

technical field [0001] The invention belongs to the technical field of uranium mines, and in particular relates to a method for counting the large-scale oil and gas filling time of sandstone-type uranium ore bearing layers. Background technique [0002] In most basins at home and abroad, the distribution rules of internal oil and gas-marginal uranium deposits, and lower oil and gas-upper uranium deposits are generally formed, and oil-uranium has a close temporal and spatial distribution relationship. During the mineralization process of sandstone-type uranium deposits, dissipated oil and gas mainly affect the formation of uranium deposits through adsorption, complexation, and reduction, and a large number of sandstone-type uranium mineralization models coupled with oil and gas have been established, such as "docking type" or "Uranium-water" contact zone type, Bashbulak land bitumen superimposed interlayer oxidation mineralization model, Dongsheng multi-component fluid superi...

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Application Information

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IPC IPC(8): G01V9/00
CPCG01V9/00
Inventor 丁波刘红旭易超黄少华张宾
Owner BEIJING RES INST OF URANIUM GEOLOGY
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