25th International Meeting on Organic Geochemistry IMOG 2011

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P-125 Organic geochemical and petrographic characterization of fluvial-lacustrine source rocks and implications for hydrocarbon source correlation in Cenozoic rift basins, NE China Maowen Li 1 , Xue Wang 2 , Shuzhi Wang 2 , Julito Reyes 3 , Sneh Achal 3 , Zihui Feng 2 , Wei Fang 2 1 Sinopec Research Institute of Petroleum Exploration and Production, Beijing, China, 2 PetroChina Daqing Oilfield Company, Daqing, China, 3 Geological Survey of Canada, Calgary, Canada (corresponding author:limw@pepris.com) Bulk and molecular organic geochemical analyses of source rock and oil samples from the Fangzheng, Tangyan and Hulin rift basins, NE China indicate the presence of fluvial and lacustrine-sourced petroleum systems in this frontier exploration region. Samples of potential source rocks include the Eocene-Oligocene coal, oil shale and lacustrine mudstone litholohgies and represent a variety of depositional environments. Rock-Eval and total organic carbon data from these samples reflect generally high quality source rocks, including both oil- and gas-prone kerogen types, in the early to peak stages of hydrocarbon generation. Petroleum source rocks in the study area generally belong to the fluvial-lacustrine facies association, characterized by freshwater lacustrine mudstones and oil shales interbedded with fluvial-deltaic deposits including coal. Shoreline progradation dominated basin fill, resulting in the stacking of indistinctly expressed sedimentary cycles. Transported terrestrial organic matter contributes to mixed type I-III kerogens that generate waxy oil. Based on whole-rock organic petrographic observations, we propose a three-fold organic facies classification in the study area: (1) oil shales and laminated mudstones containing oil-prone, type I kerogens, mainly in the form of Prasinophyte, filamentous and coccoidal algal mats; (2) silty shales containing mixed vitrinite, sporinite and Prasinophyte and filamentous alginite macerals; and (3) coals and carbonaceous shales that are enriched in vitrinite, with trace to variable sporinite, suberinite, cutinite, and resinite. Results of open-system pyrolysis experiments reveal hydrocarbon generation kinetics typical of type I, I-III and III kerogens respectively. Thus, hydrocarbon generation from type III source rocks begins at about 0.6%Ro, with almost 75- 80% of liquid hydrocarbon potential having been realized at ~0.8 %Ro. In contrast, hydrocarbon generation from type I source will not begin prior to 0.7 %Ro, with only 20-25% of liquid hydrocarbon potential realized at 0.8 %Ro. Bulk geochemical and biomarker data indicate that organic rich fluvial-lacustrine facies in the Eocene Xinancun Formation is the most likely source rocks in these Cenozoic rift basins. Oils and source rocks from the Tangyan Trough demonstrate geochemical characteristics consistent with lacustrine environments and indicate strong evidence for algal input into fresh to brackish-water source facies including elevated relative concentrations of C28 steranes. Despite similarities between oils from the Fangzheng and Hulin troughs, biomarker parameters suggest higher algal input in facies sourcing Fangzheng oils compared to Hulin oils. Based on sterane isomerisation ratios and diamondoid concentrations in the oil, the thermal maturity levels of discovered oils tend to increase from Hulin, Fangzheng to Tangyan trough, consistent with the change in the dominant source kerogen types. The hydrocarbon gases in these rift basins occur either as biogenic gas pools, or as thermogenic gases associated with the oil pools. The thermogenic gases are interpreted to have been generated from the Eocene-Oligocene fluvial-lacustrine source rocks, with mixed type I and type III sources, and the biogenic gases are more likely derived from the coarser parts of the source beds that have a predominance of terrigenous plant organic matter and are more likely to experience freshwater infiltration . Fluvial-lacustrine sediments in these rift basins generally contain vertically stacked cycles, and are laterally discontinuous with strong facies contrasts. Thus, it is not easy to define a single oil window in a given basin, but it is common to observe large fluctuations in the properties of reservoired hydrocarbon fluids, both vertically and laterally. 267
P-126 The value of generation hydrocarbon and its application on the evaluation of source rock: taking Liaodong Bay, China as an example Shuifu Li, Shouzhi Hu, Jiaren Ye, Dongmei Zhang, Jun Ma The Faculty of Earth Resources, China University of Geosciences, Wuhan, China (corresponding author:lishf@cug.edu.cn) The evaluation of hydrocarbon source rock is one of the key works in the oil and gas exploration. In order to evaluate hydrocarbon source rock more impersonally and effectively, we carried on the research of the evaluation of hydrocarbon source rocks in the area of Liaodong Bay, China. Along the analysis of the common parameters which is very popular in the present hydrocarbon source rock evaluation and the factors that can affect the evaluation of hydrocarbon source rocks, we suggest a new index——value of hydrocarbon of generation (VGH), which is a characteristic function of organic abundance, type and maturity, to evaluate the hydrocarbon source rock. Based on the data achieved from the study area, the VGH index can be calculated: VGHPY=(S1+S2)/10×S2/S3×(Tmax-435). According to the value of VGH, we suggest five different grades of the capability to generate hydrocarbons for the hydrocarbon source rocks in Liaodong Bay. Using this new index, we evaluate the capability to generate hydrocarbons for the hydrocarbon source rocks in each group in Liaodong Bay. Moreover, the comparison between the new method and the common method has been made (Figure 1), and the results are in good agreement.In addition, we evaluate the capability to generate hydrocarbons for the hydrocarbon source rocks in the individual source rock sample in Liaodong Bay. Also, the correlations between the new and old have been made. In conclusion, not only does the new evaluation method provide the results by the common evaluation, it can make the evaluation of hydrocarbon source rock more reasonable and intuitive as well. References [1] JIN Zhijun, WANG Qingchen. Recent developments in study of the typical superimposed basins and petroleum accumulation in China: Exemplified by the Tarim Basin [J]. SCIENCE CHINA Earth Sciences (Science in China Series D), 2004, 47 (S2): 1- 15. [2] TENGER, LIU Wenhui, XU Yongchang, et al. Comprehensive geochemical identification of highly evolved marine carbonate rocks as hydrocarbon-source rocks as exemplified by the Ordos Basin [J]. SCIENCE CHINA Earth Sciences (Science in China Series D), 2006, 49 (4): 384- 396. 2 1.5 1 0.5 0 10 5 0 30 20 10 0 TOC ( %) 1.31 D2L (7) S1+S2(mg/g) 2.86 D2L (7) VGHPY 0.62 D2L (7) 1.59 D3 (12) 5.75 D3 (12) 9.72 D3 (12) 1.80 Sh1-2 (23) 8.79 Sh1-2 (23) 20.97 Sh1-2 (23) 1.23 Sh3M (15) 4.60 Sh3M (15) 18.61 Sh3M (15) 1.01 Sh3L (34) 2.95 Sh3L (34) 20.70 Sh3L (34) Frequency ( %) 0.3 0.2 0.1 0 1600 1200 800 400 0 80 60 40 20 0 EOM (%) 0.08 D2L (19) HC(10 -6 ) 324.71 D2L (19) 72.53 general contribution 0.13 D3 (71) 556.44 D3 (71) 58.24 0.29 Sh1-2 (11) 1428.14 Sh1-2 (11) great contribution 47.25 0.11 Sh3M (3) 922.25 Sh3M (3) significant contribution VGHPY 0.15 Sh3L (9) 749.06 Sh3L (9) 6.59 large contribution >1 >5 >10 >50 268
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25th Inter
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Dear Conference Delegates, Preface
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Monday 19 th September 2011 - Morni
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Monday 19 th September 2011 - After
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Tuesday 20 th September 2011 - Afte
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Wednesday 21 st September 2011 - Mo
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Wednesday 21 st September 2011 - Af
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13.40 - 15.05 Poster Session 4 (In
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Friday 23 rd September 2011 - Morni
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Poster Sessions (in Kongress-Saal)
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P-026 Comparison of comprehensive t
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P-052 Incorporation of Archaeal and
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P-081 Geochemical evidence for two
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P-108 Organic geochemistry and Meso
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P-133 Can we estimate catchment-sca
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P-157 Can laterally advected interm
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P-182 The influence of hydrogen on
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P-207 Biomarkers along a holocene s
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P-232 Some experimental results on
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P-261 Natural gas generation, migra
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P-288 Re/Os fractionation during ge
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P-314 Chemometric analysis of oil-o
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P-340 Atypical fluids in offshore s
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P-366 Organic geochemical character
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P-392 Environmental forensic study
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P-416 Developing analytical protoco
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P-442 Deep-sea benthic archaea recy
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P-464 Effects of within-catchment p
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Poster Session 4 - Thursday 22 nd S
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Monday Oral Presentations 58
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O-02 Melting history of West Antarc
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O-04 Insights about the marine nitr
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O-06 Eocene out-of-India dispersal
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O-08 An integrated lipid biomarker
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O-10 Sulfur species as facilitators
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O-12 Sulfur isotope systematic of i
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O-14 Exploring the diversity of arc
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O-16 Improved genetic characterizat
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O-18 Petroleum system analysis Sout
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O-19 The borolithochromes: boron-co
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O-21 Study of the stable isotopic c
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O-23 Novel applications of trace me
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O-25 The chemical structure of inso
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O-27 Coenzyme factor 430: abundance
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O-29 Influence of temperature on me
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O-31 The fate of collembola derived
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O-33 Empirical relationship between
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O-35 Biomarker evidence for the Lat
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O-37 The seco-oleananes: identifica
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O-38 Microbial communities associat
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O-40 The importance of geochemical
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O-42 Charge history and petroleum g
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O-44 Bacterial formation of (di)eth
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O-46 Development of a novel tool fo
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O-48 Evolution of petroleum composi
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O-50 Beyond Orgas- BP’s new predi
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O-52 Nitrogen isotopes of amino aci
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O-54 Biomarker and petrographic evi
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O-55 The organic geochemistry of ca
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O-57 Exploring mass extinction even
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O-59 Black shale formation by micro
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O-61 The significant impact of weat
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O-63 Simultaneous shifts in tempera
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O-65 Fluxes and isotope composition
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O-67 Biogeochemical impact of CO2 e
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Bacteria number ml-1 Bacteria numbe
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O-71 Aquathermolysis: pressure effe
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O-73 Designing tight-shale producti
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O-74 Tracing 13C-labeled inorganic
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O-76 Carbon fluxes in phylogenetica
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O-78 Fluid property prediction from
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O-80 Denitrifying bacteria as poten
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O-82 Tetraether lipid profiles in c
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O-84 Prediction of gas volume and d
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Monday Poster Presentations 148
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P-002 Structure and function of asp
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P-004 Preliminary study of acid deg
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P-006 Chemical and geochemical char
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P-008 High resolution measurement o
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P-010 Acidic fraction analyses of B
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P-012 Heteroatom-containing compoun
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P-014 Evaluation of hydropyrolysis
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P-016 Iron isotopic compositions of
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P-018 Evaluation of accelerated sol
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P-020 Improvement of HPLC-protocols
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P-022 Open-system hydrous pyrolysis
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P-024 The phenolic characterisation
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P-026 Comparison of comprehensive t
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P-028 Characterisation of lignin de
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P-030 Trace analysis of methylated
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P-033 An evaluation of petroleum so
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P-035 Contrasting macromolecular or
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P-037 Evolution of depositional env
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P-039 Organic carbon content and ch
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P-041 Organic geochemistry of entra
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P-043 Petrological and organic geoc
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P-045 Occurrence and geochemical ch
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P-047 Characterization of lignites
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P-049 Organic matter of Lower Permi
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P-051 Kerogen sulphur, hydrogen and
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P-053 Sulfur-bound compounds in fre
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P-055 Organic matter preservation i
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P-058 Characterization of aromatic
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P-060 Biomarkers parameters used to
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P-063 Origin of crude oil with high
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P-065 Molecular maturation of Bitum
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P-067 C21-C23 steroidal tricyclic t
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P-069 The age and palaeoenvironment
Page 217 and 218: P-071 Structural characterization o
Page 219 and 220: P-074 Discussion on appliance of 25
Page 221 and 222: P-076 Lanostanes as the new biomark
Page 223 and 224: P-079 Geochemistry of ―just gener
Page 225 and 226: P-081 Geochemical evidence for two
Page 227 and 228: P-083 Thermal maturity assessment o
Page 229 and 230: P-085 Flash pyrolysis-gas chromatog
Page 231 and 232: P-087 Petroleum geochemistry of the
Page 233 and 234: P-089 Addressing thermogenic and bi
Page 235 and 236: P-091 Investigation of oil stabilit
Page 237 and 238: P-093 Organic geochemistry, petrole
Page 239 and 240: P-095 Natural petroleum fractionati
Page 241 and 242: P-097 Geochemistry of low-boiling
Page 243 and 244: P-099 Oxygen-containing compounds i
Page 245 and 246: P-101 Formation of giant deep-burie
Page 247 and 248: P-103 Geochemical characteristics o
Page 249 and 250: P-105 Challenges on the origin of o
Page 251 and 252: P-107 Caldera of the Uzon volcano a
Page 253 and 254: P-109 A saga on organic geochemistr
Page 255 and 256: P-111 An integrated inorganic and o
Page 257 and 258: P-114 Hydrocarbon generation potent
Page 259 and 260: P-116 Marine transgressional event
Page 261 and 262: P-118 The cracking kinetics of two
Page 263 and 264: P-120 The generation potential of t
Page 265 and 266: P-122 Organic geochemical character
Page 267: P-124 Compositional features of org
Page 271 and 272: P-128 Investigation of fish pond ma
Page 273 and 274: P-130 Bituminous mixtures of Hakemi
Page 275 and 276: P-132 Combined � 13 C - �D anal
Page 277 and 278: P-134 Biomarkers preserved in cave
Page 279 and 280: P-136 Analysis of insoluble organic
Page 281 and 282: P-139 Role and nature of organic ma
Page 283 and 284: P-141 Biosurfactants - a green alte
Page 285 and 286: P-143 Phenolic compounds in water l
Page 287 and 288: P-145 Current level of the organic
Page 289 and 290: P-147 The d13C composition of indiv
Page 291 and 292: P-149 Targeted chemical and physica
Page 293 and 294: P-151 Cu(II) complexation with humi
Page 295 and 296: P-153 Differentiation of indoor and
Page 297 and 298: P-156 A detailed study of the intac
Page 299 and 300: P-158 Unusual distribution of long-
Page 301 and 302: P-160 Biomarker signatures of metha
Page 303 and 304: P-162 Lipid biomarkers and bulk bio
Page 305 and 306: P-164 Chemotaxonomic composition an
Page 307 and 308: P-166 The role of two submarine can
Page 309 and 310: P-168 Correlation of crenarchaea an
Page 311 and 312: P-170 Microbial activity and abunda
Page 313 and 314: P-172 Microbially mediated carbonat
Page 315 and 316: P-174 Distinct microbial inventorie
Page 317 and 318: P-176 Microbial consortium mediatin
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P-178 Diversity of microbial commun
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P-180 Inhibition of anaerobic oil d
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P-182 The influence of hydrogen on
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P-184 Have they lost their heads? D
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P-187 Paleohydrological changes on
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P-189 Paleoenvironmental variations
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P-191 Highly branched isoprenoid al
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P-193 A new global calibration for
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P-195 Molecular fossils and the lat
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P-197 Sediment trap and core top st
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P-199 Detection of environmental ch
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P-201 Carbon and hydrogen isotope b
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P-203 Biogeochemical processes in H
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P-205 Lipid biomarker analysis of f
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P-207 Biomarkers along a holocene s
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P-209 A comparison of methane emiss
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P-211 Paleocene-Eocene Thermal Maxi
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P-213 Biomarker proxies indicate si
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P-215 Distributions of long-chain d
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P-217 The Vinylguaiacol/Indole or V
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P-219 The age and palaeoenvironment
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P-221 Differences in distribution o
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P-225 The change of land plant deri
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P-227 Terrestrial organic matter in
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P-229 Geochemical peculiarities of
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P-231 Bacteriohopanepolyol content
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P-233 Branched GDGTs in the Yenisei
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P-235 Simulation of organic matter
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P-237 Nature of C29 sterols in the
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P-239 Differentiation of organic ma
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P-242 Changes of Rock-Eval HI, OI,
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P-244 Identification and distributi
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P-246 Carbon isotopes and lipid bio
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P-248 Comparison of soil organic ma
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P-250 Biomarker distribution along
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Wednesday Poster Presentations 388
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P-255 Gas source classification in
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P-257 The components and carbon iso
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P-259 Stable carbon isotopes of coa
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P-261 Natural gas generation, migra
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P-264 Natural gas geochemistry of t
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P-266 Geochemical and isotopic char
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P-269 Distribution of alkylbenzenes
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P-271 Terrestrial-derived biomarker
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P-273 Preservation of β-carotane i
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P-275 Aromatic hydrocarbons in oils
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P-277 Statistical analysis of diamo
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P-279 Characterization of biomarker
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P-281 The significance of novel A-n
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P-283 Correlation between compositi
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P-285 Understanding Fluid Inclusion
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P-287 The hydrocarbon occurrence an
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P-289 Correlation of crude oils res
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P-291 Geochemical parameters for un
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P-293 Hydrocarbon biomarkers in the
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P-295 Using diamondoids to unravel
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P-297 Significance of aromatic biom
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P-299 Drilling conditions making we
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P-301 Biomarker distributions and
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P-303 Evaluation of petroleum syste
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P-305 Geochemical indices of hydroc
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P-307 Basin modelling of the Hammer
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P-309 Comparative characteristics o
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P-311 High water pressure induced c
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P-313 Calibration of absolute matur
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P-315 Organic Geochemistry of Lower
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P-317 Laboratory simulation of vert
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P-319 The study of C1-C3 gas genera
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P-321 Hydrocarbon potential of Maik
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P-323 Paleoenvironment significance
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P-325 Origin of abnormal sonic resp
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P-327 Organic geochemistry and orga
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P-329 Characterising the deposition
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P-331 Organic-geochemical character
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P-335 Geochemistry of aqua-bitumoid
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P-337 Application of electrospray i
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P-339 Geochemical characterization
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P-341 Simulation studies on the ads
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P-343 Effective diffusivities of CO
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P-345 Oil Fingerprinting associated
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P-347 Strategies for the assessment
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P-349 Fluid pressure evolution and
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P-351 The releasing of covalently-b
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P-354 Sulfur isotope fractionation
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P-356 Controls on the kinetics of t
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P-358 Sulfur compounds in liquid pr
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P-360 High pressure pyrolysis of hy
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P-362 The reaction of elemental sul
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P-365 Geochemical evaluation of the
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P-367 Geochemical controls on shale
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P-369 Evolution of pores in organic
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P-371 Preliminary investigations in
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P-373 Geochemistry of coalbed metha
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P-375 Integration of basin modeling
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P-377 Oil shales occurring in Mongo
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Thursday Poster Presentations 508
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P-381 Permissible concentration of
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P-383 Accumulation and degradation
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P-385 Source determination and dept
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P-387 The use of phospholipid fatty
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P-389 Biogeochemical process studie
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P-391 Environmental forensics-recen
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P-395 Source characterization using
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P-397 Impact of different operating
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P-399 Resolving sources and preserv
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P-402 New insights into soil organi
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P-404 Amino sugars as biomarkers fo
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P-406 Biogeochemistry of lake Soppe
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P-408 Sea surface salinity reconstr
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P-410 Carbon cycling in lacustrine
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P-412 Radiocarbon distributions in
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P-414 European lake sediment calibr
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P-416 Developing analytical protoco
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P-418 Extreme intra- and intermolec
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P-420 � 2 H differences among lip
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P-424 Intact polar lipid and associ
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P-426 Bacterial versus archaeal act
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P-428 Study of microbial activity a
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P-430 New bacteriochlorophyll degra
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P-432 Thermally stable anammox biom
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P-434 Impact of a high CO2 partial
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P-436 Methane oxidation in the wate
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P-438 Lipid biomarkers of archaeal
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P-440 Estimation of endospore numbe
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P-442 Deep-sea benthic archaea recy
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P-444 Isolating and cultivating env
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P-446 Distribution of ammonia-oxidi
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P-448 Genetic and metabolic charact
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P-450 Proxies based on archaeal and
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P-453 Experimental palaeochemotaxon
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P-455 Long term cooling and punctua
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P-457 Molecular and isotopic eviden
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P-459 Long-term variations of palae
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P-461 Miocene to Pliocene environme
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P-463 Holocene paleoclimatic variat
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P-465 Hydrological and biogeochemic
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P-467 Molecular hydrogen isotope sy
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P-469 Impact of anaerobic methane o
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P-471 Integrating biomarker and mic
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P-473 Application of TEX86-paleothe
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P-475 Stable isotopes (C, S) and hy
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P-478 The first findings of 12- and
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P-480 The 3 P’s* and the Albian o
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P-482 Meter-scale oxygen gradients
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P-484 Coupling of Miocene-Pliocene
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P-486 New molecular marker and spec
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P-488 Paleoenvironmental changes fr
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P-491 Methoxy-serratenes as discrim
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P-493 Vegetation and soil organic m
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P-497 Decomposition of wheat straw
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P-499 The relationship between peat
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P-501 Land use and climatic effects
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Page 627 and 628:
P-505 Organic carbon composition an
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P-507 Dynamics of soil organic matt
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P-509 Exploiting isotopic, organic,
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P-511 The effect of soil moisture o
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P-513 Anaerobic oxidation of plant-
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P-515 Variability of terrestrially-
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Author Index 638
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Anselmetti Flavio S. O-63 Ansong Ge
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Brinkhuis Henk P-200, P-468 Britton
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de Souza Carvalho Ismar P-017 Dedys
Page 647 and 648:
Francu Juraj P-037, P-266 Frank Ric
Page 649 and 650:
Hart Malcolm O-09 Hartkopf-Fröder
Page 651 and 652:
Jin Zhijun P-094 Jingjing Li P-179
Page 653 and 654:
Lausmaa Jukka O-58 Lavrieux Marlèn
Page 655 and 656:
Marsh Steven P-509 Marshall Chris O
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Nemchenko- Rovenskaya Alla P-112 Ne
Page 659 and 660:
Radovic Miljana P-152 Ramanathan AL
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Schröder Jan P-020, P-029 Schubert
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Strelnikova Eugenia P-099 Stuart-Wi
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Wakeham Stuart G. O-69 Walters Clif
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Zhang Jing P-515 Zhang Jingru P-398
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25th International Meeting on Organic Geochemistry IMOG 2011

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