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Geochemical characteristics of saturate hydrocar-bons in crude oils and source rocks of the Qaidam,Tarim,Tupran basins,NW China

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Chinese Journal Of Geochemistry 2012年第3期31卷 264-275页

作者： ZHANG Min paul philp Department of Geochemistry Yangtze UniversityJingzhou434023China The Key Laboratory of Oil&Gas Resources and Exploration Technology Ministry of EducationYangtze UniversityJingzhou434023China School of Geology and Geophysics University of OklahomaNormanOK 73019USA

Based on the systematic analyses of fifteen typical crude oils and ten typical potential source rocks col-lected from the Qaidam,Tarim and Turpan basins,Northwest China,the geochemical characteristics of the oils and source rocks were investigated and oil-source rock correlations *** oils and source rocks deposited in saline lacustrine environment from the western Qaidam Basin were characterized by n-alkanes with even car-bon-number preference in the C20-C28 range,low pristane/phytane(Pr/Ph) ratios(less than 0.5),and high abundances of C27 steranes,gammacerane and C35 *** oils and source rocks deposited in marine environment from the Tarim Basin were characterized by n-alkanes with even carbon-number preference in the C14-C18 range,relatively low Pr/Ph ratios(near to 1),high abundance of C28 steranes,and relatively high *** contrast,the oils and source rocks deposited in terrigenous bog environment from the Turpan Basin were characterized by relatively high Pr/Ph ratios(oil samples greater than 6) high abundance of C29 steranes,and relatively low gammacerane and C31-35 *** higher amounts of C37 and C38 n-alkanes of source rocks from the western Qaidam Basin and the Tarim Basin suggest an origin of these alkanes from functionalized C37 and C38 n-alkadienes and alkenones in prymnesiophytes living in lacustrine and marine ***-source rock correlations suggest oils in the west-ern Qaidam Basin were derived from the Oligocene Lower Ganchaigou Formation(E3),oils in the Tabei and Tazhong uplifts from the Tarim Basin have a genetic relationship with the Middle-Upper Ordovician source *** in the Turpan Basin generally fall into two genetic *** oils in the Taibei depression from the Turpan Basin were derived from the Lower-Middle Jurassic coal measures,but the fewer oils in this region are a mixed source derived from the Lower-Middle Jurassic coal measure and the Upper Permian source rocks.

关键词：地球化学特征塔里木盆地柴达木盆地中国西北地区烃源岩碳氢化合物原油吐鲁番盆地

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Utilization of Pyrrolic Compounds as Indicators of Secondary Migration for Woodford Oils in the Anadarko Basin,Oklahoma,USA

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Journal of Earth Science 2024年第5期35卷 1499-1512页

作者： Mu Liu R.paul philp Key Laboratory of Cenozoic Geology and Environment Institute of Geology and GeophysicsChinese Academy of SciencesBeijing 100029China School of Geosciences University of OklahomaNorman 73109United States

Migration pathways and distances of the oils in reservoir are thought to affect the distribution of pyrrolic compounds such as carbazole,its alkyl derivatives(alkylated carbazoles)and benzocarbazoles,although other factors,including maturity and depositional environments may also affect the distribution of these organic nitrogen *** this study,14 oil samples produced from conventional reservoirs in pauls Valley,south Oklahoma were investigated using organic geochemical *** sterane and hopane fingerprints suggest that most of the oils were sourced from the Devonian Woodford *** parameters consistently indicate that the maturity level of the studied samples are all of similar maturity(Rc=~0.7%),suggesting the distribution of the organic nitrogen organic compounds is possibly reflecting variations in relative migration *** distribution of alkylcarbazoles revealed a preferential enrichment during migration,with the nitrogen-shielded alkylcarbazole tending to be enriched relative to the nitrogen-semi-shielded alkylcarbozoles particularly in oils produced close to the Arbuckle uplift to the ***,another family of pyrrolic compounds,benzocarbazoles,whose distributions also indicated that the pauls Valley Woodford oils came from deeper part of the Anadarko Basin as the benzo-[a]/([a]+[c])-carbazole ratios decrease *** more specific migration systems,although the pyrrolic compound indicators are potentially disturbed by the structural complexes,the general migration directions suggest that the studied oils in pauls Valley Hunton uplift were sourced from the deep basin area,and migrate upwards in porous sediments due to the *** study investigates the feasibility of using pyrrolic compounds to estimate relative migration distances and will aid in the interpretation of migration history by using the distribution of carbazole,alkylated carbazoles,benzocarbazoles isomers in the Anadarko and Ardmore Basin

关键词： carbazole migration oil Oklahoma biomarker organic geochemistry

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Unusual N-Alkane Distributions in Extracts from Marine Carbonate Rocks at High Levels of Maturity and Overmaturity

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Chinese Journal Of Geochemistry 2002年第4期21卷 322-333页

作者：李景贵 R.paul philp 崔明中 State Key Laboratory of Gas Geochemistry Lanzhou Institute of Geology Chinese Academy of Sciences Lanzhou 730000 China School of Geology and Geophysics University of Oklahoma Norman OK. 73019 U. S. A

N\|alkanes in extracts from possible carbonate source rocks of the Lower Ordovician Majiagou Formation in the central gas field of the Shanganning Basin and the Upper Sinian Dengying Formation in the Weiyuan gas field of the Sichuan Basin, are characterized by bimodal distributions with the dominant carbon numbers in the range C\- 17 \|C\- 21 and C\- 25 \|C\- 29 . In most samples, the lower carbon number components are present in greater abundance than the higher carbon number ones. Most samples contain significant concentrations of waxy hydrocarbons(C\- 22+ ) with C\- 21- /C\- 22+ ratios between 0.50 to 3.16, and an average value of 1.34. The n\|alkanes in extracts of outcrops and shallow core samples of Upper Proterozoic and Lower Palaeozoic carbonate rocks in the western and southern parts of the North China Basin are of unimodal distributions dominated by n\|alkanes maximizing in the C\- 25 \|C\- 29 range. These extracts have very high concentrations of waxy hydrocarbons with C\- 21- /C\- 22+ ratios all <1.0, ranging from 0 14 to 0 90 and averaging 0.36. All of the extracts have a marked odd/even predominance in the high molecular weight n\|alkane range regardless of whether they are from shallow or deep cores or outcrop samples. Simulation experiments were performed using typical sapropelic\|type kerogens from the immature Sinian Lower Xiamalin Formation carbonate\|rich shales collected at Jixian, Hebei Province, North China Basin, and the contemporary microplanktonic blue\|green algae Spirulina subsala. Results indicate that the unusual distribution of n\|alkanes in the extracts of Upper Proterozoic and Lower Palaeozoic carbonate rocks possibly originated from algae in the source rocks at high levels of maturity and overmaturity.

关键词：海藻中国海相碳酸盐岩链烷双峰分面成熟期

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Geochemical characterization of aromatic hydrocarbons in crude oils from the Tarim,Qaidam and Turpan Basins,NW China

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Petroleum Science 2010年第4期7卷 448-457页

作者： Zhang Min paul philp Department of Geochemistry Yangtze University Jingzhou Hubei 434023 China The Key Laboratory of Oil ＆ Gas Resources and Exploration Technology Ministry of Education Yangtze University Jingzhou Hubei 434023 China School of Geology and Geophysics University of Oklahoma Norman OK 73019 USA

Based on the systematic study of aromatic hydrocarbons in over 100 crude oil samples collected from the Tabei and Tazhong uplifts in the Tarim Basin,the western depression area in the Qaidam Basin and the Tabei depression in the Turpan Basin,the geochemical characteristics of the marine（Tarim Basin）,saline lacustrine（Qaidam Basin）,and swamp（Turpan Basin） oils were *** marine oils from the Tarim basin are characterized by relatively low abundance of diaromatic hydrocarbons such as biphenyl and naphthalene,and relatively high abundance of triaromatic hydrocarbons including phenanthrene,dibenzothiophene and *** contrast,the swamp oils from the Turpan Basin are dominated by the highest relative abundance of diaromatic hydrocarbons and the lowest relative abundance of triaromatic hydrocarbons in all the oil samples in this *** relative abundance of diaromatic and triaromatic hydrocarbons in the saline lacustrine oils from Qaidam Basin is between that in Tarim oils and Turpan *** parameters based on the isomer distributions of dimethylnaphthalenes（DMN）,trimethylnaphthalenes（TMN）,tetramethylnaphthalenes（TeMN） and methylphenanthrenes（MP）,i.e.,1,2,5-trimethylnaphthalene（TMN）/1,3,6-TMN ratio,1,2,7-TMN/1,3,7TMN ratio,（2,6-＋2,7-）-dimethylnaphthalenes（DMN）/1,6-DMN ratio,1,3,7-TMN/（1,2,5-＋1,3,7-）TMN,1,3,6,7-TeMN/（1,3,6,7-＋1,2,5,6-＋1,2,3,5-）-TeMN ratio and MP index,may reflect the diversity of organic source input,thermal maturity and depositional *** addition,the dibenzothiophenes（DBTs）/fluorenes（Fs） and dibenzofurans（DBFs）/Fs ratios were found to the very useful and effective in determining genetic types of crude oils for the marine,saline lacustrine,and swamp depositional environments,and for oil-oil correlations.

关键词： China Tarim Basin Qaidam Basin Turpan Basin marine oil saline lacustrine oil coal-derived oil depositional environment aromatic hydrocarbons

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Recent advances in seasonal and multi-annual tropical cyclone forecasting

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Tropical Cyclone Research and Review 2023年第3期12卷 182-199页

作者： Yuhei Takaya Louis-Philippe Caron Eric Blake Francois Bonnardot Nicolas Bruneau Joanne Camp Johnny Chan paul Gregory Jhordanne J.Jones Namyoung Kang Philip J.Klotzbach Yuriy Kuleshov Marie-Dominique Leroux Julia F.Lockwood Hiroyuki Murakami Akio Nishimura Dushmanta R.Pattanaik Tom J.philp Yohan Ruprich-Robert Ralf Toumi Frederic Vitart Seonghee Won Ruifen Zhan Meteorological Research Institute Japan Meteorological AgencyIbarakiJapan Ouranos MontrealCanada National Hurricane Center National Oceanic and Atmospheric AdministrationMiamiUSA Meteo-France Direction Interregionale pour l'Ocean IndienSaint-Denisde La ReunionFrance Reask LondonUK Bureau of Meteorology VictoriaAustralia City University of Hong Kong Hong KongChina Asia-Pacific Typhoon Collaborative Research Center ShanghaiChina Shanghai Typhoon Institute China Meteorological AdministrationShanghaiChina Department of Earth Atmosphericand Planetary SciencesPurdue UniversityWest LafayetteUSA University Corporation for Atmospheric Research BoulderUSA Department of Geography Kyungpook National UniversityDaeguRepublic of Korea Department of Atmospheric Science Colorado State UniversityFort CollinsUSA Royal Melbourne Institute of Technology(RMIT)University MelbourneAustralia Met Office Hadley Centre ExeterUK National Oceanographic and Atmospheric Administration/Geophysical Fluid Dynamics Laboratory PrincetonUSA Japan Meteorological Agency TokyoJapan India Meteorological Department New DelhiIndia Maximum Information LondonUK Barcelona Supercomputing Center BarcelonaSpain Department of Physics Imperial College LondonLondonUK European Centre for Medium-Range Weather Forecasts(ECMWF) ReadingUK Korea Meteorological Administration JejuRepublic of Korea Department of Atmospheric and Oceanic Sciences&Institute of Atmospheric Sciences Fudan UniversityShanghaiChina

Seasonal tropical cyclone(TC)forecasting has evolved substantially since its commencement in the early ***,present operational seasonal TC forecasting services still do not meet the requirements of society and stakeholders:current operational products are mainly basin-scale information,while more detailed sub-basin scale information such as potential risks of TC landfall is anticipated for decision *** fill this gap and make the TC science and services move forward,this paper reviews recent research and development in seasonal tropical cyclone(TC)*** particular,this paper features new research topics on seasonal TC predictability in neutral conditions of El Ni˜no–Southern Oscillation(ENSO),emerging forecasting techniques of seasonal TC activity including Machine Learning/Artificial Intelligence,and multi-annual TC *** also review the skill of forecast systems at predicting landfalling statistics for certain regions of the North Atlantic,Western North Pacific and South Indian oceans and discuss the gap that remains between current products and potential user's *** knowledge and advanced forecasting techniques are expected to further enhance the capability of seasonal TC forecasting and lead to more actionable and fit-for-purpose products.

关键词： Tropical cyclones Seasonal forecasting Climate services

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