Abstract
The available hydrocarbon amount for accumulation and effective resources in a petroleum system are controlled by hydrocarbon thresholds in migration and accumulation, Hydrocarbon migration-accumulation threshold controlling reservoirs model is established according to accumulation-disperse balance principle, the available hydrocarbons accumulation and effective resource potential can be quantitatively evaluated by applying the model. The hydrocarbon reservoirs distribution in a petroleum system is primarily controlled by hydrocarbon thresholds of four functional elements with characteristics of independent and indispensable. The spatial–temporal combination model (T-CDPS) of these four functional element thresholds controlling reservoir formation and distribution is established according to their relationship. Four different types of conventional reservoirs in a petroleum system can be predicted and evaluated quantitatively by applying the model. The hydrocarbon enrichment degree of target strata or traps in a petroleum system is controlled by near source (SI), optimal reservoir facies (FI), and lower potential (PI). A comprehensive source–facies–potential thresholds controlling hydrocarbon enrichment model is established, and a comprehensive index (FPSI) is proposed to predict and evaluate hydrocarbon enrichment probability, hydrocarbon saturation and production capacity of the target strata or traps quantitatively by applying the model.
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Pang, X. (2023). Evaluation of Conventional Oil and Gas Reservoirs. In: Quantitative Evaluation of the Whole Petroleum System. Springer, Singapore. https://doi.org/10.1007/978-981-99-0325-2_7
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DOI: https://doi.org/10.1007/978-981-99-0325-2_7
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