On Prospects for Recovering of Shale Oil in the Kuonamka Bituminous Formation in Eastern Siberia

Соболев, П. Н.

doi:10.20403/2078-0575-2020-4-14-19

Cited by 3 publications

(1 citation statement)

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“…Previously, an attempt has already been made without noting the mapped correction of the average organic carbon content in the Domanik TP SB, tying them to the main lithotypes, and without comparing the data on filtration and thickness properties and saturation (which was fully used in this study) to evaluate the generated, initially migrated, but remaining in the generation strata the "mature" hydrocarbons based on the identification of the zonality of catagenesis (Pairazian, 2003;Sobolev et al, 2017).…”

Section: Assessment Of the Oil And Gas Potential Of High-carbon Forma...mentioning

confidence: 99%

Raw material base of Russia’s unconventional oil and gas reserves (hydrocarbons shale strata)

et al. 2022

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One of the most controversial and discussed issues related to the development of the hydrocarbon raw material base in recent years is the issue of exploring the possibilities of involvement in industrial development accumulations associated with high-carbon shale complexes that are widespread in Russia. Interest therein is supported by the system of benefits provided by the Government for low-permeability reservoirs and special preferential conditions for geological exploration provided to subsurface users in recent years. An important effect was also achieved by developing a methodology for reserves assessment and placing on the state balance a whole series of fields with oil deposits in the Domanik formation of the Volga-Ural oil and gas province (OGP). Simultaneously, the assessment of the potential of high-carbon formations in the Russian Federation mainly continues to be the subject of scientific research without an applied component, due to its inapplicability for selecting both the most significant areas for exploration and the possibilities of using it to justify investments. Here, the uncertainty is related to the estimation of possible production levels with an unclear correlation between development technologies, filtration and reservoir properties, and the potential of high-carbon strata. This study discusses two approaches that allow assessment of the potential of the main high-carbon strata distributed in Russia.

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Section: Assessment Of the Oil And Gas Potential Of High-carbon Forma...mentioning

confidence: 99%

Raw material base of Russia’s unconventional oil and gas reserves (hydrocarbons shale strata)

et al. 2022

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Kinetic Characteristics of Kerogens in the Kuonamka Complex, Lower and Middle Cambrian of the Siberian Platform

Burshtein,

Deshin,

Parfenova

et al. 2024

Russian Geology and Geophysics

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––The kinetic characteristics of kerogen (activation energy and frequency factor distributions of the initial generative potential) determine the dynamics of naphthide generation during catagenesis. In the previous studies on quantitative modeling of naphthidogenesis in the Kuonamka source rocks, the kinetic characteristics were taken by analogy with the known kerogens from other complexes and provinces. It seems relevant to determine the effective kinetic characteristics of the kerogen from the Kuonamka source rocks from experimental data. To estimate the kinetic parameters, specialized multi-rate pyrolysis studies were performed. The variations in pyrolysis data was reported to be presumably associated with the conditions of kerogen and source rock formation during accumulation and diagenesis of organic matter. The effect of carbonate and organic carbon contents on the temperature range of the second pyrolysis peak is recorded. Reconstruction of the average (effective) kinetic characteristics of kerogens from the Kuonamka source rock, was conducted using data on kerogens from Serkinsky-5 and 10 and Tit-Ebya-6 wells, which are less degraded than kerogens from Ust’-Maiskaya-366 well and probably attained the early mesocatagenesis grades. The current average effective kinetic characteristics of kerogen were estimated and corrected for the possible partial degradation of reference samples. The obtained effective kinetic models of kerogen are compared with models of kerogens of various genetic types known from the literature. The estimated effective kinetic characteristics of kerogens or Menil-1 and Type B kerogens with similar characteristics are to be taken, as a first approximation, in regional historical-genetic (basin) modeling of naphthide generation in the Kuonamka source rock.

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Results of Quantitative Estimation of Unconventional Oil Resources of the Russian Federation

Mel’nikov,

Varlamov,

Fortunatova

et al. 2024

Russian Geology and Geophysics

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—The estimation results of the initial total unconventional resources of hydrocarbon in Domanik type sediments, the Khadum and Bazhenov formations are provided. The reasonability of estimating hydrocarbon resources in these deposits by the volumetric method is substantiated. The stratigraphic interval of their distribution is given. The technique of oil and gas geological zoning based on the mapping of structural and facies zones, the degree of catagenetic transformation of organic matter, and the boundary values of the thickness of carbonaceous rocks in the section is described. The criteria for the allocation of pay intervals that make up the effective part of the section are determined. The choice of parameters such as porosity coefficient, oil recovery coefficient, oil saturation coefficient, correction factor and oil density is justified. For each complex of deposits, adjustments related to the features of the geological structure of the estimation targets, the conditions of their occurrence and the degree of geological and geophysical study have been introduced into the estimation of total geological resources. The volumes of total geological and recoverable resources of unconventional hydrocarbon sources for the Volga– Ural, Timan–Pechora, Black Sea–North Caucasus, West Siberian and Lena–Tunguska oil and gas provinces are given. The conducted research has rationalized extensive resources, the recovery of which can compensate for the decrease in oil volumes from traditional deposits.

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On Prospects for Recovering of Shale Oil in the Kuonamka Bituminous Formation in Eastern Siberia

Cited by 3 publications

References 0 publications

Raw material base of Russia’s unconventional oil and gas reserves (hydrocarbons shale strata)

Raw material base of Russia’s unconventional oil and gas reserves (hydrocarbons shale strata)

Kinetic Characteristics of Kerogens in the Kuonamka Complex, Lower and Middle Cambrian of the Siberian Platform

Results of Quantitative Estimation of Unconventional Oil Resources of the Russian Federation

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