FRINK Linked Data Fragments server

Matches in SemOpenAlex for { <https://semopenalex.org/work/W1983155242> ?p ?o ?g. }

• W1983155242 endingPage "64" @default.
• W1983155242 startingPage "36" @default.
• W1983155242 abstract "The Pretty Hill Formation of the Otway Basin (Australia) has been studied as a natural analogue for geological storage of anthropogenic CO2 in order to examine the effects that CO2 concentration and reservoir heterogeneity have on CO2-related reactions. New petrographic data are presented, which validate the use of Hylogger™ as a tool to investigate high-resolution vertical changes in reservoir mineralogy. The integrated data set confirms earlier interpretations, showing that chlorite has been altered to kaolinite and siderite/ankerite in reservoir facies exposed to moderate and high CO2 concentrations, while chlorite remains the dominant clay mineral in all parts of the formation where CO2 content is low. Differences have been observed in the degree of CO2-related reaction relative to CO2 concentration and reservoir heterogeneity. Where CO2 content is very high (c. 98 mol%) and associated with high water saturations, both chlorite and detrital feldspars have undergone complete reaction in the reservoir facies, resulting in quartzose sandstones with a kaolinite matrix, and with siderite as the dominant carbonate precipitate. Conversely, where CO2 content is moderate (c. 29–57 mol%) and within the gas leg of the reservoir, chlorite has undergone significant reaction, but much of the original feldspar is preserved, suggesting relatively minor reaction. Carbonate cements from the moderate CO2 gas-leg comprise calcite, siderite and ankerite, occurring as cemented zones associated with rock heterogeneities and the present-day gas–water contact. Heterogeneities within the gas-leg are likely to have associated pore fluid contacts, whereby relatively high water saturations will be present in the fine-grained baffles and seals. The most advanced feldspar reaction occurs locally at the contact between baffles and reservoir rock, while reactions have been significantly impeded in the finer grained units due to their low permeabilities. Stable isotope data presented for carbonate cements analysed from wells with low and moderate CO2 levels show no clear distinction. Relatively early formed calcite has δ13C values that require an organic carbon source, suggesting precipitation unrelated to the reservoir CO2 in the Otway Basin. In contrast, diagenetically late calcite and siderite samples display two distinct δ13C groups (dependent on carbonate type), where the calculated fluid carbon isotope compositions are similar to documented magmatic CO2 reservoired in the nearby Caroline Field. This suggests that magma-derived CO2 may have been more prevalent through the Pretty Hill Formation than previously thought. Although the CO2 has not been contained over the long term in the low CO2 sites, it may have caused the local dissolution of carbonate and laumontite cement, and also contributed a source of carbon for late-stage calcite cements. These studies illustrate the importance of understanding both the reservoir composition and vertical heterogeneity of potential storage systems. Fluid–mineral reactions are likely to be advanced within stacked reservoir facies and impeded within siltstone layers, while the distribution of carbonate cement may increase the reservoir heterogeneity by the formation of cemented siltstone/sandstone layers, thereby creating impermeable barriers or baffles to CO2." @default.
• W1983155242 created "2016-06-24" @default.
• W1983155242 creator A5011869940 @default.
• W1983155242 creator A5033355037 @default.
• W1983155242 creator A5036960396 @default.
• W1983155242 creator A5057222798 @default.
• W1983155242 creator A5068039658 @default.
• W1983155242 date "2015-04-01" @default.
• W1983155242 modified "2023-10-10" @default.
• W1983155242 title "The Pretty Hill Formation as a natural analogue for CO2 storage: An investigation of mineralogical and isotopic changes associated with sandstones exposed to low, intermediate and high CO2 concentrations over geological time" @default.
• W1983155242 cites W1499314001 @default.
• W1983155242 cites W1967643354 @default.
• W1983155242 cites W1968789659 @default.
• W1983155242 cites W1970658925 @default.
• W1983155242 cites W1993241636 @default.
• W1983155242 cites W2000629745 @default.
• W1983155242 cites W2004888265 @default.
• W1983155242 cites W2008281306 @default.
• W1983155242 cites W2019418345 @default.
• W1983155242 cites W2020128729 @default.
• W1983155242 cites W2020415754 @default.
• W1983155242 cites W2023144725 @default.
• W1983155242 cites W2023855764 @default.
• W1983155242 cites W2031047203 @default.
• W1983155242 cites W2033986829 @default.
• W1983155242 cites W2034059473 @default.
• W1983155242 cites W2037083046 @default.
• W1983155242 cites W2043502390 @default.
• W1983155242 cites W2051193733 @default.
• W1983155242 cites W2053223604 @default.
• W1983155242 cites W2062229561 @default.
• W1983155242 cites W2073650054 @default.
• W1983155242 cites W2081423026 @default.
• W1983155242 cites W2087109988 @default.
• W1983155242 cites W2089179158 @default.
• W1983155242 cites W2092030049 @default.
• W1983155242 cites W2110777357 @default.
• W1983155242 cites W2126820166 @default.
• W1983155242 cites W2149452995 @default.
• W1983155242 cites W2158258568 @default.
• W1983155242 cites W2159509328 @default.
• W1983155242 cites W2168462408 @default.
• W1983155242 cites W2276408133 @default.
• W1983155242 cites W2277507689 @default.
• W1983155242 cites W2744933843 @default.
• W1983155242 cites W2745515032 @default.
• W1983155242 cites W2746631704 @default.
• W1983155242 cites W2748293328 @default.
• W1983155242 cites W2748491397 @default.
• W1983155242 cites W2749414368 @default.
• W1983155242 cites W2750094082 @default.
• W1983155242 cites W2750190866 @default.
• W1983155242 cites W4236496741 @default.
• W1983155242 cites W816080886 @default.
• W1983155242 doi "https://doi.org/10.1016/j.chemgeo.2014.10.019" @default.
• W1983155242 hasPublicationYear "2015" @default.
• W1983155242 type Work @default.
• W1983155242 sameAs 1983155242 @default.
• W1983155242 citedByCount "46" @default.
• W1983155242 countsByYear W19831552422015 @default.
• W1983155242 countsByYear W19831552422016 @default.
• W1983155242 countsByYear W19831552422017 @default.
• W1983155242 countsByYear W19831552422018 @default.
• W1983155242 countsByYear W19831552422019 @default.
• W1983155242 countsByYear W19831552422020 @default.
• W1983155242 countsByYear W19831552422021 @default.
• W1983155242 countsByYear W19831552422022 @default.
• W1983155242 countsByYear W19831552422023 @default.
• W1983155242 crossrefType "journal-article" @default.
• W1983155242 hasAuthorship W1983155242A5011869940 @default.
• W1983155242 hasAuthorship W1983155242A5033355037 @default.
• W1983155242 hasAuthorship W1983155242A5036960396 @default.
• W1983155242 hasAuthorship W1983155242A5057222798 @default.
• W1983155242 hasAuthorship W1983155242A5068039658 @default.
• W1983155242 hasConcept C109007969 @default.
• W1983155242 hasConcept C114793014 @default.
• W1983155242 hasConcept C127313418 @default.
• W1983155242 hasConcept C146588470 @default.
• W1983155242 hasConcept C151730666 @default.
• W1983155242 hasConcept C17409809 @default.
• W1983155242 hasConcept C178790620 @default.
• W1983155242 hasConcept C185592680 @default.
• W1983155242 hasConcept C199289684 @default.
• W1983155242 hasConcept C2776432453 @default.
• W1983155242 hasConcept C2777844515 @default.
• W1983155242 hasConcept C2778520076 @default.
• W1983155242 hasConcept C2778572594 @default.
• W1983155242 hasConcept C2779002002 @default.
• W1983155242 hasConcept C2779086746 @default.
• W1983155242 hasConcept C2779870107 @default.
• W1983155242 hasConcept C2779899878 @default.
• W1983155242 hasConcept C2780191791 @default.
• W1983155242 hasConcept C2780659211 @default.
• W1983155242 hasConcept C59235061 @default.
• W1983155242 hasConceptScore W1983155242C109007969 @default.
• W1983155242 hasConceptScore W1983155242C114793014 @default.
• W1983155242 hasConceptScore W1983155242C127313418 @default.
• W1983155242 hasConceptScore W1983155242C146588470 @default.

• next