Using petroleum inclusions to trace petroleum systems – A review

Volk, Herbert; George, Simon C.

doi:10.1016/j.orggeochem.2019.01.012

Cited by 83 publications

(24 citation statements)

References 173 publications

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“…A FiCs analysis involves mass spectrometry without chromatographic pre-separation. The procedure is based on a technology called fluid inclusion stratigraphy or fluid inclusion volatile [40]. The method aims to analyse the organic and inorganic volatile compounds trapped in fluid inclusions or exclusions from drill cuttings, core samples or outcrop samples.…”

Section: Methodsmentioning

confidence: 99%

Localisation of Ancient Migration Pathways inside a Fractured Metamorphic Hydrocarbon Reservoir in South-East Hungary

et al. 2020

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Numerous fractured hydrocarbon reservoirs exist in the metamorphic basement of the Pannonian Basin in Hungary. Many decades of experience in production have proven that these reservoirs are highly compartmentalised, resulting in a complex mosaic of permeable and impermeable domains situated next to each other. Consequently, in most fields, only a small amount of the total hydrocarbon reserve can be extracted. This paper aims to locate the potential migration pathways inside the most productive basement reservoir of the Pannonian Basin, using a multiscale approach. To achieve this, evaluation well-log data, DFN modelling and a composition analysis of fluid trapped in a vein-filling zeolite phase are combined. Data on a single well are presented as an example. The results of the three approaches indicate the presence of two highly fractured intervals separated by a barely fractured amphibolite. The two zones are probably part of the communicating fracture system inside the single metamorphic mass. The gas analysis further specifies the migrated fluids and indicates hydrocarbons of a composition similar to that of the recently produced oil. Consequently, we conclude that the two zones do not only form an ancient migration pathway but are also members of a more recent hydrocarbon system.

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Section: Methodsmentioning

confidence: 99%

Localisation of Ancient Migration Pathways inside a Fractured Metamorphic Hydrocarbon Reservoir in South-East Hungary

et al. 2020

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“…Determining the accurate timing and processes of hydrocarbon charging has been a crucial yet difficult subject in petroleum system analysis, however, previous attempts mostly rely on qualitative or semiquantitative means (fluid inclusion technique, basin modelling, etc.) which always result in ambiguous interpretations of hydrocarbon accumulation histories (Bourdet and Pironon, 2008;Liu et al, 2013;Volk and George, 2019). Physical adjustment (re-migration and reaccumulation) and chemical alterations (biodegradation, Thermochemical Sulfate Reduction (TSR), secondary oil cracking, etc.)…”

Section: Challengesmentioning

confidence: 99%

Enrichment Mechanism and Prospects of Deep Oil and Gas

Hao

2022

Acta Geologica Sinica (Eng)

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With the deepening of oil and gas exploration, the importance of depth is increasingly highlighted. The risk of preservation of storage space in deep reservoirs is greater than that in shallow and medium layers. Deep layers mean older strata, more complex structural evolution and more complex hydrocarbon accumulation processes, and even adjustment and transformation of oil and gas reservoirs. This paper systematically investigates the current status and research progress of deep oil and gas exploration around the world and looks forward to the future research focus of deep oil and gas. In the deep, especially the ultra-deep layers, carbonate reservoirs play a more important role than clastic rocks. Karst, fault•karst and dolomite reservoirs are the main types of deep and ultra-deep reservoirs. The common feature of most deep large and medium-sized oil and gas reservoirs is that they formed in the early with shallow depth. Fault activity and evolution of trap highs are the main ways to cause physical adjustment of oil and gas reservoirs. Crude oil cracking and thermochemical sulfate reduction (TSR) are the main chemical modification effects in the reservoir. Large-scale high-quality dolomite reservoirs is the main direction of deep oil and gas exploration. Accurate identification of oil and gas charging, adjustment and reformation processes is the key to understanding deep oil and gas distribution. High-precision detection technology and high-precision dating technology are an important guarantee for deep oil and gas research.

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“…Fluorescence colors, λ max (peak wavelength), QF-535 and red/green quotient (Q 650/500 ) of oil inclusions could reflect the maturity information of hydrocarbons [8,11,32]. It can be observed from Figure 12 that the points with different fluorescent colors are concentrated in varying regions, and the change from yellow to the blue-white region indicates gradually increasing oil maturity [33,34]. The oil inclusions of Permian reservoirs in the WS1 well all depicted blue-white fluorescence (Figure 5G,M and Figure 12), while the oil inclusions in YG2 well showed yellow, yellow-green, and blue-white fluorescence (Figure 5E,F,H,P and Figure 12).…”

Section: Analysis Of Hydrocarbon Charging Periodmentioning

confidence: 99%

Hydrocarbon Charging and Accumulation in the Permian Reservoirs of the Wumaying Buried Hill, Huanghua Depression, Bohai Bay Basin, China

Yang

Zhao²,

Zhao

et al. 2021

Energies

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The Wumaying buried hill experienced multi-stage tectonic movements, which resulted in a complicated and unclear nature of the hydrocarbon accumulation process. To solve these problems, in this study—based on the structural evolution and burial–thermal history of the strata, using petrology, fluid inclusion microthermometry, geochemical analysis of oil and gas, Laser Raman spectrum, and fluorescence spectrum—the history of hydrocarbon charging was revealed, and the differences in hydrocarbon charging of different wells was clarified. The results indicate that the only source for Permian oil and gas reservoirs are Carboniferous–Permian coal-measure source rocks in the Wumaying buried hill. There are three periods of hydrocarbon charging. Under the channeling of faults and micro cracks, low-mature oil and gas accumulation was formed in the first period, and the accumulation time was 112–93 Ma. In the late Cretaceous, a large-scale uplift exposed and damaged the reservoirs, and part of the petroleum was converted into bitumen. In the middle–late Paleogene, the subsidence of strata caused the coal-measure to expel mature oil and gas, and the accumulation time of mature oil and gas was 34–24 Ma. Since the Neogene, natural gas and high-mature oil have been expelled due to the large subsidence entering the reservoir under the channeling of active faults; the accumulation time was 11–0 Ma. The microfractures of Permian reservoirs in the Wumaying buried hill are the main storage spaces of hydrocarbons, and the fractured reservoirs should be explored in the future. The first period of charging was too small and the second period was large enough in the WS1 well, resulting in only a late period of charging in this well.

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Using petroleum inclusions to trace petroleum systems – A review

Cited by 83 publications

References 173 publications

Localisation of Ancient Migration Pathways inside a Fractured Metamorphic Hydrocarbon Reservoir in South-East Hungary

Localisation of Ancient Migration Pathways inside a Fractured Metamorphic Hydrocarbon Reservoir in South-East Hungary

Enrichment Mechanism and Prospects of Deep Oil and Gas

Hydrocarbon Charging and Accumulation in the Permian Reservoirs of the Wumaying Buried Hill, Huanghua Depression, Bohai Bay Basin, China

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