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Journal articles on the topic 'Diagenesis models'

Author: Grafiati

Published: 4 June 2021

Last updated: 31 January 2023

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1

Sydnes, Magnhild, Willy Fjeldskaar, Ivar Grunnaleite, Ingrid Fjeldskaar Løtveit, and Rolf Mjelde. "The Influence of Magmatic Intrusions on Diagenetic Processes and Stress Accumulation." Geosciences 9, no. 11 (2019): 477. http://dx.doi.org/10.3390/geosciences9110477.

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Diagenetic changes in sedimentary basins may alter hydrocarbon reservoir quality with respect to porosity and permeability. Basins with magmatic intrusions have specific thermal histories that at time of emplacement and in the aftermath have the ability to enhance diagenetic processes. Through diagenesis the thermal conductivity of rocks may change significantly, and the transformations are able to create hydrocarbon traps. The present numerical study quantified the effect of magmatic intrusions on the transitions of opal A to opal CT to quartz, smectite to illite and quartz diagenesis. We als

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Lanteaume, Cyprien, François Fournier, Matthieu Pellerin, and Jean Borgomano. "Testing geologic assumptions and scenarios in carbonate exploration: Insights from integrated stratigraphic, diagenetic, and seismic forward modeling." Leading Edge 37, no. 9 (2018): 672–80. http://dx.doi.org/10.1190/tle37090672.1.

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Carbonates are considered complex, heterogeneous at all scales, and unfortunately often poorly seismically imaged. We propose a methodology based on forward-modeling approaches to test the validity of common exploration assumptions (e.g., chronostratigraphic value of seismic reflectors) and of geologic interpretations (e.g., stratigraphic correlations and depositional and diagenetic architecture) that are determined from a limited amount of data. The proposed workflow includes four main steps: (1) identification and quantification of the primary controls on carbonate deposition and the predict

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3

Surdam, Ronald C., Donald B. MacGowan, and Thomas L. Dunn. "Predictive models for sandstone diagenesis." Organic Geochemistry 17, no. 2 (1991): 243–53. http://dx.doi.org/10.1016/0146-6380(91)90081-t.

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4

Higgs, Karen E., Stuart Munday, Anne Forbes, and Karsten F. Kroeger. "Applications of geochemistry and basin modeling in the diagenetic evaluation of Paleocene sandstones, Kupe Field, New Zealand." Journal of Sedimentary Research 91, no. 9 (2021): 945–68. http://dx.doi.org/10.2110/jsr.2021.020.

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ABSTRACT Paleocene sandstones in the Kupe Field of Taranaki Basin, New Zealand, are subdivided into two diagenetic zones, an upper kaolinite–siderite (K-S) zone and a lower chlorite–smectite (Ch-Sm) zone. Petrographic observations show that the K-S zone has formed from diagenetic alteration of earlier-formed Ch-Sm sandstones, whereby biotite and chlorite–smectite have been altered to form kaolinite and siderite, and plagioclase has reacted to form kaolinite and quartz. These diagenetic zones can be difficult to discriminate from downhole bulk-rock geochemistry, which is largely due to a change

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5

Adelinet, Mathilde, Jean-François Barthélémy, Elisabeth Bemer, and Youri Hamon. "Effective medium modeling of diagenesis impact on the petroacoustic properties of carbonate rocks." GEOPHYSICS 84, no. 4 (2019): WA43—WA57. http://dx.doi.org/10.1190/geo2018-0559.1.

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Carbonate formations are highly heterogeneous, and the velocity-porosity relationships are controlled by various microstructural parameters, such as the types of pores and their distribution. Because diagenesis is responsible for important changes in the microstructure of carbonate rocks, we have extended the standard effective medium approach to model the impact of diagenesis on the carbonate elastic properties through a step-by-step effective medium modeling. Two different carbonate rocks deposited, respectively, in lacustrine and marine environments are considered in this study. The first k

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Procopio, Noemi, Caley A. Mein, Sefora Starace, Andrea Bonicelli, and Anna Williams. "Bone Diagenesis in Short Timescales: Insights from an Exploratory Proteomic Analysis." Biology 10, no. 6 (2021): 460. http://dx.doi.org/10.3390/biology10060460.

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The evaluation of bone diagenetic phenomena in archaeological timescales has a long history; however, little is known about the origins of the microbes driving bone diagenesis, nor about the extent of bone diagenesis in short timeframes—such as in forensic contexts. Previously, the analysis of non-collagenous proteins (NCPs) through bottom-up proteomics revealed the presence of potential biomarkers useful in estimating the post-mortem interval (PMI). However, there is still a great need for enhancing the understanding of the diagenetic processes taking place in forensic timeframes, and to clar

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Yang, Leilei, Linjiao Yu, Donghua Chen, Keyu Liu, Peng Yang, and Xinwei Li. "Effects of Dolomitization on Porosity during Various Sedimentation-Diagenesis Processes in Carbonate Reservoirs." Minerals 10, no. 6 (2020): 574. http://dx.doi.org/10.3390/min10060574.

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Carbonate reservoirs, especially dolomite reservoirs, contain large reserves of oil and gas. The complex diagenesis is quite challenging to document the dolomite reservoirs formation and evolution mechanism. Porosity development and evolution in dolomite reservoirs primarily reflect the comprehensive effect of mineral dissolution/precipitation during dolomitization. In this study, multicomponent multiphase flow and solute transport simulation was employed to investigate dolomitization in the deep carbonate strata of the Tarim Basin, Northwest China, where active exploration is currently under

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8

Sorauf, James E. "Biocrystallization models and skeletal structure of Phanerozoic corals." Paleontological Society Papers 1 (October 1996): 159–85. http://dx.doi.org/10.1017/s1089332600000097.

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Modern understanding of skeletal microstructure in fossil corals builds on knowledge of structure and biomineralization in modern corals and diagenesis of carbonate skeletons. It is agreed that the skeleton of living stony corals, the Scleractinia, is made of fibrous aragonite, with growth of biocrystals generally according to rules of crystal growth as observed in inorganic aragonite, but here controlled by organic matrix. Fossil scleractinians all apparently fit the same model of biomineralization seen in living corals, although some early taxa (Triassic) lack septal trabeculae, rod-like fra

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9

Ma, Shuwei, Dazhong Ren, Lifa Zhou, et al. "Impacts of diagenesis of tight sandstone gas reservoir on reservoir physical properties: A case study, Sulige gas field, Ordos Basin, China." Interpretation 7, no. 3 (2019): T687—T699. http://dx.doi.org/10.1190/int-2018-0173.1.

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Diagenesis is one of the most important factors impacting the performance of many reservoirs and is perhaps the most important factor impacting the performance of tight sandstone reservoirs, such as those of the Sulige gas field in the Ordos Basin of China. However, the relationship between diagenesis and related parameters determining reservoir physical properties remains unclear. Therefore, we have analyzed experimental data from high-pressure mercury intrusion porosimetry, scanning electron microscopy, and thin sections in addition to using a porosity recovery calculation model to investiga

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10

Chen, Anqing, Shenglin Xu, Shuai Yang, et al. "Ordovician deep dolomite reservoirs in the intracratonic Ordos Basin, China: Depositional model and Diagenetic evolution." Energy Exploration & Exploitation 36, no. 4 (2018): 850–71. http://dx.doi.org/10.1177/0144598718778171.

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Recent natural gas discoveries indicate that non-karstification-dominated reservoirs exist in the intracratonic Ordos Basin. This study examines the sedimentological and geochemical characteristics needed to clarify the depositional model and diagenetic evolution process of this newly discovered reservoir type. The depositional environment of the dolomite reservoir can be characterized as a tidal flat that grew from the Central Paleo-uplift to the eastern depression by cyclic progradation on an epeiric platform. A tidal flat sequence can extend laterally as a progradational wedge in each cycle

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11

Paraska, Daniel W., Matthew R. Hipsey, and S. Ursula Salmon. "Sediment diagenesis models: Review of approaches, challenges and opportunities." Environmental Modelling & Software 61 (November 2014): 297–325. http://dx.doi.org/10.1016/j.envsoft.2014.05.011.

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12

Overnell, J. "Manganese and Iron Profiles During Early Diagenesis in Loch Etive, Scotland. Application of two Diagenetic Models." Estuarine, Coastal and Shelf Science 54, no. 1 (2002): 33–44. http://dx.doi.org/10.1006/ecss.2001.0834.

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13

Taylor, Thomas R., Melvyn R. Giles, Lori A. Hathon, et al. "Sandstone diagenesis and reservoir quality prediction: Models, myths, and reality." AAPG Bulletin 94, no. 8 (2010): 1093–132. http://dx.doi.org/10.1306/04211009123.

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14

Grötsch, Jürgen, Omar Suwaina, Ghiath Ajlani, et al. "The Arab Formation in central Abu Dhabi: 3-D reservoir architecture and static and dynamic modeling." GeoArabia 8, no. 1 (2003): 47–86. http://dx.doi.org/10.2113/geoarabia080147.

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ABSTRACT A 3-D geological model of the Kimmeridgian-Tithonian Manifa, Hith, Arab, and Upper Diyab formations in the area of the onshore Central Abu Dhabi Ridge was based on a newly established sequence stratigraphic, sedimentologic, and diagenetic model. It was part of an inter-disciplinary study of the large sour-gas reserves in Abu Dhabi that are mainly hosted by the Arab Formation. The model was used for dynamic evaluations and recommendations for further appraisal and development planning in the studied field. Fourth-order aggradational and progradational cycles are composed of small-scale

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15

Burdige, D. J. "Mathematical Models of Diagenetic Processes in Marine Sediments: Iron and Manganese Redox Cycling, and Non-Steady State Diagenesis." Mineralogical Magazine 58A, no. 1 (1994): 134–35. http://dx.doi.org/10.1180/minmag.1994.58a.1.73.

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16

Gubala, Chad P., Daniel R. Engstrom, and Jeffrey R. White. "Effects of Iron Cycling on 210Pb Dating of Sediments in an Adirondack Lake, USA." Canadian Journal of Fisheries and Aquatic Sciences 47, no. 9 (1990): 1821–29. http://dx.doi.org/10.1139/f90-207.

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In three cores from an acidic lake in the Adirondack State Park of New York, iron cycling accounted for diagenetic enrichment of up to 14% of sediment dry mass. The accuracy of the sediment accumulation rates calculated from the constant rate of supply (c.r.s.) model and the dating and sediment accumulation rates calculated from the constant initial concentration (c.i.c.) 210Pb models were affected by post-depositional movement of iron about the sediment–water interface and through the sediment. Dating biases from iron diagenesis reached as high as 57% and biases to calculated sediment accumul

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17

Sulpis, Olivier, Matthew P. Humphreys, Monica M. Wilhelmus, et al. "RADIv1: a non-steady-state early diagenetic model for ocean sediments in Julia and MATLAB/GNU Octave." Geoscientific Model Development 15, no. 5 (2022): 2105–31. http://dx.doi.org/10.5194/gmd-15-2105-2022.

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Abstract. We introduce a time-dependent, one-dimensional model of early diagenesis that we term RADI, an acronym accounting for the main processes included in the model: chemical reactions, advection, molecular and bio-diffusion, and bio-irrigation. RADI is targeted for study of deep-sea sediments, in particular those containing calcium carbonates (CaCO3). RADI combines CaCO3 dissolution driven by organic matter degradation with a diffusive boundary layer and integrates state-of-the-art parameterizations of CaCO3 dissolution kinetics in seawater, thus serving as a link between mechanistic surf

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18

Sivalneva, Оlga V., Aysylu S. Rakhmatullina, Аlexander V. Postnikov, et al. "Lithological models of reservoir rocks for upper cretaceous deposits in East Caucasian Region." Georesursy 23, no. 3 (2021): 83–89. http://dx.doi.org/10.18599/grs.2021.3.11.

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The article describes the results of lithological and petrophysical investigations that would be a base for characterization of reservoir rocks in Upper Cretaceous deposits. These investigations include thin sections description, SEM and NMR analysis. As found that three main factors have constrained final quality of reservoir rocks: 1) depositional settings favorable for coccoliths and chalk sedimentation; 2) late diagenesis changes – compaction and recrystallization degree; 3) fracture intensity.

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19

Mur, Alan, and Lev Vernik. "Testing popular rock-physics models." Leading Edge 38, no. 5 (2019): 350–57. http://dx.doi.org/10.1190/tle38050350.1.

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In the spirit of classic rock physics, and as an ideal foundation for conventional quantitative interpretation workflows, we consider several popular models relating elastic rock properties to their composition, microstructure, and effective stress on the background of a worldwide log data set, incorporating sands and shales characterized by the maximum dynamic impedance range. We demonstrate that the patchy cement model, ellipsoidal inclusion model, and siliciclastic diagenesis model may be calibrated successfully against the world data set and used in seismic rock property log restoration/ed

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20

Al-Ramadan, Khalid, Ardiansyah Koeshidayatullah, Dave Cantrell, and Peter K. Swart. "Impact of basin architecture on diagenesis and dolomitization in a fault-bounded carbonate platform: outcrop analogue of a pre-salt carbonate reservoir, Red Sea rift, NW Saudi Arabia." Petroleum Geoscience 26, no. 3 (2019): 448–61. http://dx.doi.org/10.1144/petgeo2018-125.

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The early Miocene Wadi Waqb carbonate in the Midyan Peninsula, NE Red Sea is of great interest not only because of its importance as an archive of one of the few pre-salt synrift carbonate platforms in the world, but also as a major hydrocarbon reservoir. Despite this importance, little is known about the diagenesis and heterogeneity of this succession. This study uses petrographical, elemental chemistry, stable isotope (δ13C and δ18O) and clumped isotope (Δ47) analyses to decipher the controlling processes behind the formation of various diagenetic products, especially dolomite, from two loca

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21

Duarte, Edison. "Provenance and diagenesis from two stratigraphic sections of the lower cretaceous Caballos formation in the upper Magdalena valley: Geological and reservoir quality implications." CT&F - Ciencia, Tecnología y Futuro 8, no. 1 (2018): 5–29. http://dx.doi.org/10.29047/01225383.101.

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The Aptian-Albian Caballos Formation is a proven reservoir in the oil producing basins of the Upper Magdalena Valley and Putumayo (Colombia), characterized by wide variation in its petrophysical properties. Integrated provenance, diagenetic and basic petrophysical analyses are presented from two stratigraphic sections of the Caballos Formation in the Upper Magdalena Valley (Ocal and Cobre creeks) in order to test regional geological models, and to relate compositional and diagenetic factors with the reservoir quality.Sandstones from the Caballos Formation document a change from texturally imma

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Duarte, Edison. "Provenance and diagenesis from two stratigraphic sections of the lower cretaceous Caballos formation in the upper Magdalena valley: Geological and reservoir quality implications." CT&F - Ciencia, Tecnología y Futuro 8, no. 1 (2018): 5–29. http://dx.doi.org/10.29047/01225383.88.

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The Aptian-Albian Caballos Formation is a proven reservoir in the oil producing basins of the Upper Magdalena Valley and Putumayo (Colombia), characterized by wide variation in its petrophysical properties. Integrated provenance, diagenetic and basic petrophysical analyses are presented from two stratigraphic sections of the Caballos Formation in the Upper Magdalena Valley (Ocal and Cobre creeks) in order to test regional geological models, and to relate compositional and diagenetic factors with the reservoir quality.Sandstones from the Caballos Formation document a change from texturally imma

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23

Kanzaki, Yoshiki, Dominik Hülse, Sandra Kirtland Turner, and Andy Ridgwell. "A model for marine sedimentary carbonate diagenesis and paleoclimate proxy signal tracking: IMP v1.0." Geoscientific Model Development 14, no. 10 (2021): 5999–6023. http://dx.doi.org/10.5194/gmd-14-5999-2021.

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Abstract. The preservation of calcium carbonate in marine sediments is central to controlling the alkalinity balance of the ocean and, hence, the ocean–atmosphere partitioning of CO2. To successfully address carbon cycle–climate dynamics on geologic (≫1 kyr) timescales, Earth system models then require an appropriate representation of the primary controls on CaCO3 preservation. At the same time, marine sedimentary carbonates represent a major archive of Earth history, as they have the potential to preserve how seawater chemistry, isotopic composition, and even properties of planktic and benthi

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24

Xie, Ming, Wei Yang, Mingzhu Zhao, et al. "Diagenetic Facies Controls on Differential Reservoir-Forming Patterns of Mixed Shale Oil Sequences in the Saline Lacustrine Basin." Minerals 13, no. 2 (2023): 143. http://dx.doi.org/10.3390/min13020143.

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The Permian Lucaogou Formation has developed mixed shale reservoirs, but there are few studies on the diagenetic facies, and the control effect of differential diagenesis on the reservoir capacity of shale oil reservoirs in this area is not clear. Therefore, shale samples of the Lucaogou Formation were systematically selected in this study, and through cast thin sections, field emission scanning electron microscopy, XRD mineral analysis, low-temperature nitrogen adsorption and high-pressure mercury injection experiments, the reservoir capacity of the shale oil reservoirs was evaluated from the

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25

Tarutis, William J. "On the equivalence of the power and reactive continuum models of organic matter diagenesis." Geochimica et Cosmochimica Acta 57, no. 6 (1993): 1349–50. http://dx.doi.org/10.1016/0016-7037(93)90071-4.

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26

Liu, Sheng, Hongtao Zhu, Qianghu Liu, Ziqiang Zhou, and Jiahao Chen. "Along-Strike Reservoir Development of Steep-Slope Depositional Systems: Case Study from Liushagang Formation in the Weixinan Sag, Beibuwan Basin, South China Sea." Energies 16, no. 2 (2023): 804. http://dx.doi.org/10.3390/en16020804.

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Seismic, core, drilling, logging, and thin-section data are considered to analyze the reservoir diversity in the east, middle, and west fan of the Liushagang Formation in the steep-slope zone of the Weixinan Sag, Beibuwan Basin. Three factors primarily affect the reservoir differences for steep-slope systems: (1) Sedimentary factors mostly control reservoir scales and characteristics and the drainage system and microfacies. Massive high-quality reservoirs have shallow burial depths. Channel development and sediment supply favor the formation of these reservoirs. The sedimentary microfacies sug

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27

Kamali, M. R., N. M. Lemon, and S. N. Apak. "POROSITY GENERATION AND RESERVOIR POTENTIAL OF OULDBURRA FORMATION CARBONATES, OFFICER BASIN, SOUTH AUSTRALIA." APPEA Journal 35, no. 1 (1995): 106. http://dx.doi.org/10.1071/aj94007.

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Porosity generation and reservoir potential of the early Cambrian Ouldburra Formation in the eastern Officer Basin is delineated by combining petrographical, petrophysical and sedimentological studies. The shallow marine Ouldburra Formation consists of carbonates, mixed carbonates and clastics, clastics and evaporites. Detailed analysis of more than 100 samples shows that dolomitisation resulted in substantial secondary porosity development within the carbonates. Secondary porosity has also been generated within the mixed siliciclastic-carbonate zone by carbonate matrix and grain dissolution a

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28

Liu, Zekun. "Metallogenic characteristics and genesis of granite type uranium ore bodies in South China." E3S Web of Conferences 261 (2021): 02068. http://dx.doi.org/10.1051/e3sconf/202126102068.

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South China is the key producing area of granite-type uranium deposits in China. After decades of exploration, many important progress has been made in the study of metallogenic regularity of granite type uranium deposits in this area. On the basis of previous studies, this paper attempts to sort out the geological conditions and characteristics of diagenesis and mineralization of granite type uranium deposits in South China, and discuss their metallogenic models, so as to better summarize the metallogenic regularity and serve the prospecting and prediction.

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Deocampo, Daniel M., Robert J. Blumenschine, and Gail M. Ashley. "Wetland Diagenesis and Traces of Early Hominids, Olduvai Gorge, Tanzania." Quaternary Research 57, no. 2 (2002): 271–81. http://dx.doi.org/10.1006/qres.2001.2317.

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AbstractLateral variations in whole-rock and clay geochemistry of basal Bed II claystones in Olduvai Gorge, Tanzania, reflect water quality differences across the Eastern Lacustrine Plain ∼1.75 myr ago. Bulk Ba/Sr and (Na2O+K2O+MgO)/Al2O3 range from 1.4 to 4.2 and from 0.7 to 1.4, respectively, and indicate leaching of lacustrine claystones beneath freshwater wetlands at times following lake retreat. Bulk MgO/Al2O3 (0.3–1.0) and molar Mg/Al (0.5–3.9) ratios of <0.2-μm clays reflect alteration of Mg-rich lacustrine clays. These indicators point to freshest conditions near Locality 43 of Hay

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Jones, Gareth D., and Yitian Xiao. "Geothermal convection in the Tengiz carbonate platform, Kazakhstan: Reactive transport models of diagenesis and reservoir quality." AAPG Bulletin 90, no. 8 (2006): 1251–72. http://dx.doi.org/10.1306/04030605194.

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Richter, Frank M., and Donald J. DePaolo. "Numerical models for diagenesis and the Neogene Sr isotopic evolution of seawater from DSDP Site 590B." Earth and Planetary Science Letters 83, no. 1-4 (1987): 27–38. http://dx.doi.org/10.1016/0012-821x(87)90048-3.

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32

Goldberg, Samuel L., Theodore M. Present, Seth Finnegan, and Kristin D. Bergmann. "A high-resolution record of early Paleozoic climate." Proceedings of the National Academy of Sciences 118, no. 6 (2021): e2013083118. http://dx.doi.org/10.1073/pnas.2013083118.

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The spatial coverage and temporal resolution of the Early Paleozoic paleoclimate record are limited, primarily due to the paucity of well-preserved skeletal material commonly used for oxygen-isotope paleothermometry. Bulk-rock δ18O datasets can provide broader coverage and higher resolution, but are prone to burial alteration. We assess the diagenetic character of two thick Cambro–Ordovician carbonate platforms with minimal to moderate burial by pairing clumped and bulk isotope analyses of micritic carbonates. Despite resetting of the clumped-isotope thermometer at both sites, our samples indi

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Metcalfe, R., C. A. Rochelle, D. Savage, and J. W. Higgo. "Fluid-rock interactions during continental red bed diagenesis: implications for theoretical models of mineralization in sedimentary basins." Geological Society, London, Special Publications 78, no. 1 (1994): 301–24. http://dx.doi.org/10.1144/gsl.sp.1994.078.01.21.

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Hamon, Youri, Pierre Bachaud, Didier Granjeon, Elisabeth Bemer, and Ancilla Maria Almeida Carvalho. "Integration of diagenesis in basin-scale, stratigraphic forward models using reactive transport modeling: Input and scaling issues." Marine and Petroleum Geology 124 (February 2021): 104832. http://dx.doi.org/10.1016/j.marpetgeo.2020.104832.

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35

Hossain, Zakir, Tapan Mukerji, Jack Dvorkin, and Ida L. Fabricius. "Rock physics model of glauconitic greensand from the North Sea." GEOPHYSICS 76, no. 6 (2011): E199—E209. http://dx.doi.org/10.1190/geo2010-0366.1.

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The objective of this study was to establish a rock physics model of North Sea Paleogene greensand. The Hertz-Mindlin contact model is widely used to calculate elastic velocities of sandstone as well as to calculate the initial sand-pack modulus of the soft-sand, stiff-sand, and intermediate-stiff-sand models. When mixed minerals in rock are quite different, e.g., mixtures of quartz and glauconite in greensand, the Hertz-Mindlin contact model of single type of grain may not be enough to predict elastic velocity. Our approach is first to develop a Hertz-Mindlin contact model for a mixture of qu

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36

Munhoven, Guy. "Model of Early Diagenesis in the Upper Sediment with Adaptable complexity – MEDUSA (v. 2): a time-dependent biogeochemical sediment module for Earth system models, process analysis and teaching." Geoscientific Model Development 14, no. 6 (2021): 3603–31. http://dx.doi.org/10.5194/gmd-14-3603-2021.

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Abstract. MEDUSA is a time-dependent one-dimensional numerical model of coupled early diagenetic processes in the surface sea-floor sediment. In the vertical, the sediment is subdivided into two different zones. Solids (biogenic, mineral, etc.) raining down from the surface of the ocean are collected by the reactive mixed layer at the top. This is where chemical reactions take place. Solids are transported by bioturbation and advection, and solutes are transported by diffusion and bioirrigation. The classical coupled time-dependent early diagenesis equations (advection–diffusion reaction equat

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Baldermann, A., G. H. Grathoff, and C. Nickel. "Micromilieu-controlled glauconitization in fecal pellets at Oker (Central Germany)." Clay Minerals 47, no. 4 (2012): 513–38. http://dx.doi.org/10.1180/claymin.2012.047.4.09.

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AbstractAlthough numerous models for the formation of glauconite have been presented, the precise process and micro-environment of glauconitization are still poorly constrained. We characterize the special micromilieu of glauconitization developed during early diagenesis and present a model for glauconite formation in fecal pellets.Glauconitization at Oker (Central Germany) occurred predominantly in fecal pellets deposited in a shallow marine-lagoonal environment during the Kimmeridgian. Within the fecal pellets, rapid oxidation of organic matter provides the post-depositional, physicochemical

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Hülse, Dominik, Sandra Arndt, Stuart Daines, Pierre Regnier, and Andy Ridgwell. "OMEN-SED 1.0: a novel, numerically efficient organic matter sediment diagenesis module for coupling to Earth system models." Geoscientific Model Development 11, no. 7 (2018): 2649–89. http://dx.doi.org/10.5194/gmd-11-2649-2018.

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Abstract. We present the first version of OMEN-SED (Organic Matter ENabled SEDiment model), a new, one-dimensional analytical early diagenetic model resolving organic matter cycling and the associated biogeochemical dynamics in marine sediments designed to be coupled to Earth system models. OMEN-SED explicitly describes organic matter (OM) cycling and the associated dynamics of the most important terminal electron acceptors (i.e. O2 , NO3, SO4) and methane (CH4), related reduced substances (NH4, H2S), macronutrients (PO4) and associated pore water quantities (ALK, DIC). Its reaction network ac

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Arostegui, J., F. J. Sangüesa, F. Nieto, and J. A. Uriarte. "Thermal models and clay diagenesis in the Tertiary-Cretaceous sediments of the Alava block (Basque-Cantabrian basin, Spain)." Clay Minerals 41, no. 4 (2006): 791–809. http://dx.doi.org/10.1180/0009855064140219.

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AbstractDiagenesis in the Cretaceous and Tertiary sediments of the Alava Block (Basque- Cantabrian basin) has been studied using the clay mineralogy (X-ray diffraction) of cuttings from three representative wells of a N—S cross-section. More than 5500 m of various lithologies (marls, mudstones and sandstones) have been drilled in the northern part of the domain, and 2100 m in the southern zone. The illitization of smectite and the disappearance of kaolinite, due to diagenesis, are the most characteristic features in the northern well. Evolution of smectite to illite has been differentiated int

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Jones, Gareth D., and Yitian Xiao. "Geothermal convection in South Atlantic subsalt lacustrine carbonates: Developing diagenesis and reservoir quality predictive concepts with reactive transport models." AAPG Bulletin 97, no. 8 (2013): 1249–71. http://dx.doi.org/10.1306/02191312162.

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BURLEY, S. D. "Models of burial diagenesis for deep exploration plays in Jurassic fault traps of the Central and Northern North Sea." Geological Society, London, Petroleum Geology Conference series 4, no. 1 (1993): 1353–75. http://dx.doi.org/10.1144/0041353.

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MAHER, HARMON D., KEI OGATA, and ALVAR BRAATHEN. "Cone-in-cone and beef mineralization associated with Triassic growth basin faulting and shallow shale diagenesis, Edgeøya, Svalbard." Geological Magazine 154, no. 2 (2016): 201–16. http://dx.doi.org/10.1017/s0016756815000886.

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AbstractCone-in-cone (CIC) and beef (BF) carbonate lenses ornament detachment zone faults underlying Triassic growth basins on Edgeøya. Field relationships place CIC and BF growth as during early diagenesis and a transition from hydroplastic to a later brittle-style of faulting that is marked by coarser calcite veining. Deformation is constrained to have occurred at <300 m depth. Multiple models exist for CIC formation. For the Edgeøya example, textural analysis of thin-sections suggests that small tensile fractures and carbonate shell fragments nucleated development of calcite aggregates w

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Mercier, Patrick H. J., and Yvon Le Page. "Kaolin polytypes revisited ab initio." Acta Crystallographica Section B Structural Science 64, no. 2 (2008): 131–43. http://dx.doi.org/10.1107/s0108768108001924.

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The well known 36 distinguishable transformations between adjacent kaolin layers are split into 20 energetically distinguishable transformations (EDT) and 16 enantiomorphic transformations, hereafter denoted EDT*. For infinitesimal energy contribution of interactions between non-adjacent layers, the lowest-energy models must result from either (a) repeated application of an EDT or (b) alternate application of an EDT and its EDT*. All modeling, quantum input preparation and interpretation was performed with Materials Toolkit, and quantum optimizations with VASP. Kaolinite and dickite are the lo

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Matthews, Robley K., and Cliff Frohlich. "FORWARD MODELING OF SEQUENCE STRATIGRAPHY AND DIAGENESIS: Application to Rapid, Cost-Effective Carbonate Reservoir Characterization." GeoArabia 3, no. 3 (1998): 359–84. http://dx.doi.org/10.2113/geoarabia0303359.

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ABSTRACT Dynamic forward modeling of carbonate reservoir sequence stratigraphy and diagenetic overprint can yield rapid, cost-effective reservoir characterization. The common practice in reservoir characterization now relies heavily on massive data accumulation and geostatistics to produce the three-dimensional geocellular static model which is the basis for flow simulation. In dynamic forward modeling, reliance on understanding of geological process allows high resolution prediction of the geometry of permeable and impermeable units and horizons within the reservoir. Data requirements are red

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Scotchman, Iain C. "Clay diagenesis in the Kimmeridge Clay Formation, onshore UK, and its relation to organic maturation." Mineralogical Magazine 51, no. 362 (1987): 535–51. http://dx.doi.org/10.1180/minmag.1987.051.362.08.

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AbstractConversion of randomly ordered illite-smectite to ordered illite-smectite in the Upper Jurassic Kimmeridge Clay Formation from the North Sea has been recorded in the literature as occurring within the ‘oil window’ and has been suggested as an indicator of oil source rock maturity. Studies of authigenic clay minerals in the fine fraction (>0.5 µm) of the Kimmeridge Clay Formation mudstones from fourteen locations along the UK onshore outcrop between Dorset and North Yorkshire show that they comprise mainly ordered illite-smectites. The onshore Kimmeridge Clay section is organically i

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Brigolin, Daniele, Christophe Rabouille, Bruno Bombled, et al. "Modelling biogeochemical processes in sediments from the north-western Adriatic Sea: response to enhanced particulate organic carbon fluxes." Biogeosciences 15, no. 5 (2018): 1347–66. http://dx.doi.org/10.5194/bg-15-1347-2018.

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Abstract. This work presents the result of a study carried out in the north-western Adriatic Sea, by combining two different types of biogeochemical models with field sampling efforts. A longline mussel farm was taken as a local source of perturbation to the natural particulate organic carbon (POC) downward flux. This flux was first quantified by means of a pelagic model of POC deposition coupled to sediment trap data, and its effects on sediment bioirrigation capacity and organic matter (OM) degradation pathways were investigated constraining an early diagenesis model by using original data c

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Reijers, T. J. A. "Sedimentology and diagenesis as ‘hydrocarbon exploration tools’ in the Late Permian Zechstein-2 Carbonate Member (NE Netherlands)." Geologos 18, no. 3 (2012): 163–95. http://dx.doi.org/10.2478/v10118-012-0009-x.

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Abstract Hydrocarbon exploration in The Netherlands has a chequered history from serendipitous oil shows via chance oil/ gas discoveries to finding the largest continental European oil field in 1943, followed by finding the largest gas field in the world in 1959. The present contribution traces the development of moderate to good porosity/permeability trends in depositional facies of Zechstein Stassfurt carbonates in a ‘gas play’ intermediate in significance between the above two plays but all in the northern part of The Netherlands. Various depositional facies in the Stassfurt carbonates were

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Katre, Shreya, and Archana M. Nair. "Modelling the effect of grain anisotropy on inter-granular porosity." Journal of Petroleum Exploration and Production Technology 12, no. 3 (2021): 763–81. http://dx.doi.org/10.1007/s13202-021-01332-w.

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AbstractPorosity is the dominant factor that determines the exploitable capacity of sedimentary reservoir rocks. Generally, pore heterogeneity is poorly represented in subsurface geological models due to the complexity. Granular mixtures produce complex pore space controlled by grain size, grain shape, and grain sorting. Heterogeneities in pore space volume are present at micro- and nanoscales in granular mixtures due to packing conditions resulting from deposition and diagenesis. In the present study, three-dimensional packing models were generated to provide a realistic description of granul

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Avseth, Per, Tapan Mukerji, Gary Mavko, and Jack Dvorkin. "Rock-physics diagnostics of depositional texture, diagenetic alterations, and reservoir heterogeneity in high-porosity siliciclastic sediments and rocks — A review of selected models and suggested work flows." GEOPHYSICS 75, no. 5 (2010): 75A31–75A47. http://dx.doi.org/10.1190/1.3483770.

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Rock physics has evolved to become a key tool of reservoir geophysics and an integral part of quantitative seismic interpretation. Rock-physics models adapted to site-specific deposition and compaction help extrapolate rock properties away from existing wells and, by so doing, facilitate early exploration and appraisal. Many rock-physics models are available, each having benefits and limitations. During early exploration or in frontier areas, direct use of empirical site-specific models may not help because such models have been created for areas with possibly different geologic settings. At t

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Melim, Leslie A. "Limitations on lowstand meteoric diagenesis in the Pliocene-Pleistocene of Florida and Great Bahama Bank: Implications for eustatic sea-level models." Geology 24, no. 10 (1996): 893. http://dx.doi.org/10.1130/0091-7613(1996)024<0893:lolmdi>2.3.co;2.

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