Fluid inclusion evidence for an early, marine-sourced oil charge prior to gas-condensate migration, Bayu-1, Timor Sea, Australia

George, Simon C.; Lisk, M.; Eadington, Peter J.

doi:10.1016/j.marpetgeo.2004.07.001

Cited by 70 publications

(21 citation statements)

References 32 publications

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“…GOI=(grains containing oil inclusions/total grains)×100%. The GOI method was designed to assess the oil saturation history of sandstone reservoirs by comparing the values derived from each sample with an empirical database of samples taken from more than forty current oilfields (George et al, 2004). GOI values above a threshold of 5% are usually used to demonstrate the presence of a paleo-oil column, whilst oil migration pathways have GOI values between 1% and 5% (Eadington et al, 1996;Wang Feiyu et al, 2006).…”

Section: Samples and Methodsmentioning

confidence: 99%

“…Determination of the pool-forming time of oil and gas is the key of hydrocarbon deposit formation, occurrence, and assessment, and also a significant theoretical and practical issue in petroleum geology and exploration (Li Mingcheng et al, 2005;Li Xianqing et al, 2008). It has been proved that studying the processes of oil and gas charging in terms of fluid inclusion characteristics is an effective method for investigating petroleum accumulation processes (Burruss et al, 1983;Haszeldine et al, 1984aHaszeldine et al, , 1984bWalderhaug and Fjeldskaar, 1993;Qin Jianxiong et al, 1995;Zhang Wenhuai et al, 1996;Shi Jixi and Yu Xiaoying, 1999;Wang Feiyu et al, 2002George et al, 2004;Liu Dehan et al, 2007).…”

Section: Introductionmentioning

confidence: 99%

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Fluid inclusion evidence for petroleum accumulation in northern Qaidam Basin

Yang

Feng

et al. 2010

Chin. J. Geochem.

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Based on the results of fluid inclusion study (microscopic characteristics, homogenization temperatures and grains with oil inclusions), the pool-forming time of the Nanbaxian and Mabei 1 oilfields in northern Qaidam Basin was discussed in this paper. Fluid inclusions in northern Qaidam Basin are relatively abundant, including aqueous inclusions and hydrocarbon inclusions. These inclusions are small (5-10 μm), and mainly distributed in quartz fissures, overgrowths and cementations. The abundances of grains with oil inclusions (GOI) are commonly low. The GOI values of most samples are between 2.0%-10.5%, and those of about 40 percent of total samples exceed 5%. The homogenization temperatures of fluid inclusions in different samples are markedly dissimilar, indicating that these inclusions were formed in different periods. According to the measured homogenization temperatures of fluid inclusions and in combination with burial history and thermal evolution history, the Nanbaxian and Mabei 1 oilfields are deduced, which have experienced two hydrocarbon charging periods, with the former of N 1 -N 2 1 and N 2 2 -N 2 3 , and the latter of N 1 and N 1 end -N 2 , respectively.

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Section: Samples and Methodsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Fluid inclusion evidence for petroleum accumulation in northern Qaidam Basin

Yang

Feng

et al. 2010

Chin. J. Geochem.

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“…Progressively deformed autochthonous and mostly sedimentary strata ( Figure 2) generally represent relatively shallow, Fluid inclusions represent micro-scale samples of fluids, trapped during the evolution of sedimentary basins, and can be used to identify the composition of fluids associated with diagenetic and post-diagenetic fluid processes [5]. In petroleum systems, fluid inclusion data have been widely used to define hydrocarbon migration and charge histories, especially where there is a complex petroleum charge history (e.g., [6][7][8][9][10][11][12]). …”

Section: Geological Settingmentioning

confidence: 99%

The Use of Integrated Fluid Inclusion Studies for Constraining Petroleum Charge History at Parsons Pond, Western Newfoundland, Canada

2017

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This study, based on fluid inclusion petrography, microthermometry and ultraviolet microspectroscopy of inclusion oil, investigates the petroleum charge history at Parsons Pond, western Newfoundland. To address this matter, drill core and cuttings samples of allochthonous and autochthonous strata in the Parson's Pond area were collected from three exploration wells. Fluid inclusions were examined from fragments of calcite and quartz veins, diagenetic cements in sandstone, and in large hydrothermal dolomite and calcite crystals. Primary aqueous inclusions in authigenic sandstone cements indicate that cementation occurred at relatively shallow depths and low temperatures (<50 • C). Hydrocarbon-bearing fluid inclusions (petroleum, wet gas and gas) are generally restricted to calcite and quartz veins, indicating that petroleum and gas migration at Parson's Pond is fracture-controlled. No hydrocarbons were observed in the diagenetic cements of the essentially tight sandstones. Fluid inclusion microthermometry and ultraviolet microspectroscopy indicate the presence of multiple generations of hydrocarbon fluid, ranging in composition from 33 API gravity petroleum to pure CH 4 . Petrographic evidence suggests that hydrocarbons were generated multiple times during progressive burial and heating. In addition, the distribution of hydrocarbon bearing inclusions with depth suggests that deeper levels are gas-prone, with petroleum confined to relatively shallow depths. Although only gas flow was encountered during the drilling of exploration wells at Parson's Pond, the presence of petroleum-bearing fluid inclusions in calcite and quartz veins indicates that the historical production from shallow wells in the Parsons Pond area likely tapped small reservoirs of fractured petroliferous strata.

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“…No caso de bacias sedimentares, esse problema é contornado com o estudo de inclusões fluidas de óleo e as inclusões aquosas co-genéticas, que podem representar o registro direto de um sistema petrolífero quando ativo (Munz 2001), especialmente quando associadas a uma paleocoluna de óleo (e.g., George et al 2004).…”

Section: Conceitos Da Interpretação De Inclusões Fluidasunclassified

Uma revisão dos fundamentos do estudo de inclusões fluidas aquosas e de petróleo

Pestilho

Monteiro

2017

Terrae Didat.

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Este trabalho visa introduzir as bases conceituais, a filosofia e o estado da arte atual do estudo de inclusões fluidas. O texto inicia com uma breve visão geral de desenvolvimento histórico e do estado atual desse campo de estudo. A partir deste ponto são abordados os principais conceitos quanto a origem das inclusões fluidas e as premissas básicas para interpretação dos parâmetros derivados das inclusões (Regras de Roedder). Por fim, são apresentadas as bases da intepretação dos dados microtermométricos, com exemplos de sistemas químicos de inclusões fluidas aquosas, além de uma revisão dos conceitos que envolvem o estudo das inclusões fluidas de petróleo.

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Fluid inclusion evidence for an early, marine-sourced oil charge prior to gas-condensate migration, Bayu-1, Timor Sea, Australia

Cited by 70 publications

References 32 publications

Fluid inclusion evidence for petroleum accumulation in northern Qaidam Basin

Fluid inclusion evidence for petroleum accumulation in northern Qaidam Basin

The Use of Integrated Fluid Inclusion Studies for Constraining Petroleum Charge History at Parsons Pond, Western Newfoundland, Canada

Uma revisão dos fundamentos do estudo de inclusões fluidas aquosas e de petróleo

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