The diagenetic controls of the reservoir heterogeneity in the tight sand gas reservoirs of the Zizhou Area in China's east Ordos Basin: Implications for reservoir quality predictions

The Shan 23 sandstone formations are important exploratory targets for tight gas resources in the Zizhou Area of the Ordos Basin. In this study, we investigated the effects of diagenesis on the heterogeneity of tight sandstone deposits in similar sedimentary facies and identified the main controllin...
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Autor*in:	Li, Mi [verfasserIn] Guo, Yinghai [verfasserIn] Li, Zhuangfu [verfasserIn] Wang, Huaichang [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2019

Schlagwörter:	Diagenesis Reservoir heterogeneity Tight sand gas reservoirs Reservoir quality Ordos basin

Übergeordnetes Werk:	Enthalten in: Marine and petroleum geology - Amsterdam [u.a.] : Elsevier Science, 1984, 112
Übergeordnetes Werk:	volume:112

DOI / URN:	10.1016/j.marpetgeo.2019.104088

Katalog-ID:	ELV003318931

Internformat


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245	1	0	\|a The diagenetic controls of the reservoir heterogeneity in the tight sand gas reservoirs of the Zizhou Area in China's east Ordos Basin: Implications for reservoir quality predictions
264		1	\|c 2019
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520			\|a The Shan 23 sandstone formations are important exploratory targets for tight gas resources in the Zizhou Area of the Ordos Basin. In this study, we investigated the effects of diagenesis on the heterogeneity of tight sandstone deposits in similar sedimentary facies and identified the main controlling factors of reservoir quality. A total of 169 samples were collected from 50 wells for a series of analyses. The heterogeneity of the sandstones is mainly controlled by cement and pore-throat characteristics, which showed regional differences in the study area consistent with the regional variations in the detrital components. These results indicate that the diagenesis influenced by the sediment composition is the main controlling factor of the reservoir heterogeneity. The compaction dominated by ductile grains is the major cause of the primary porosity losses in the sandstones, followed by the quartz and clay (kaolinite and illite) cementation. Residual intergranular pores rarely occur in the sandstones with a ductile lithic grain content greater than 2%. Altered kaolinite and recrystallized illite commonly occur in the sandstones with high ductile grain content. Residual intergranular pores, quartz overgrowths, and authigenic kaolinite are the most common phases in the sandstones rich in detrital quartz. The dissolution formed secondary pores and provided a minor contribution to reservoirs permeability. Secondary pores predominantly occur in the quartz arenite due to the preservation of the primary pores.
650		4	\|a Diagenesis
650		4	\|a Reservoir heterogeneity
650		4	\|a Tight sand gas reservoirs
650		4	\|a Reservoir quality
650		4	\|a Ordos basin
700	1		\|a Guo, Yinghai \|e verfasserin \|4 aut
700	1		\|a Li, Zhuangfu \|e verfasserin \|4 aut
700	1		\|a Wang, Huaichang \|e verfasserin \|4 aut
773	0	8	\|i Enthalten in \|t Marine and petroleum geology \|d Amsterdam [u.a.] : Elsevier Science, 1984 \|g 112 \|h Online-Ressource \|w (DE-627)303393416 \|w (DE-600)1494910-6 \|w (DE-576)259484032 \|x 0264-8172 \|7 nnns
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936	b	k	\|a 38.48 \|j Marine Geologie
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publishDate	2019
allfields	10.1016/j.marpetgeo.2019.104088 doi (DE-627)ELV003318931 (ELSEVIER)S0264-8172(19)30524-0 DE-627 ger DE-627 rda eng 550 DE-600 38.48 bkl 38.51 bkl Li, Mi verfasserin aut The diagenetic controls of the reservoir heterogeneity in the tight sand gas reservoirs of the Zizhou Area in China's east Ordos Basin: Implications for reservoir quality predictions 2019 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The Shan 23 sandstone formations are important exploratory targets for tight gas resources in the Zizhou Area of the Ordos Basin. In this study, we investigated the effects of diagenesis on the heterogeneity of tight sandstone deposits in similar sedimentary facies and identified the main controlling factors of reservoir quality. A total of 169 samples were collected from 50 wells for a series of analyses. The heterogeneity of the sandstones is mainly controlled by cement and pore-throat characteristics, which showed regional differences in the study area consistent with the regional variations in the detrital components. These results indicate that the diagenesis influenced by the sediment composition is the main controlling factor of the reservoir heterogeneity. The compaction dominated by ductile grains is the major cause of the primary porosity losses in the sandstones, followed by the quartz and clay (kaolinite and illite) cementation. Residual intergranular pores rarely occur in the sandstones with a ductile lithic grain content greater than 2%. Altered kaolinite and recrystallized illite commonly occur in the sandstones with high ductile grain content. Residual intergranular pores, quartz overgrowths, and authigenic kaolinite are the most common phases in the sandstones rich in detrital quartz. The dissolution formed secondary pores and provided a minor contribution to reservoirs permeability. Secondary pores predominantly occur in the quartz arenite due to the preservation of the primary pores. Diagenesis Reservoir heterogeneity Tight sand gas reservoirs Reservoir quality Ordos basin Guo, Yinghai verfasserin aut Li, Zhuangfu verfasserin aut Wang, Huaichang verfasserin aut Enthalten in Marine and petroleum geology Amsterdam [u.a.] : Elsevier Science, 1984 112 Online-Ressource (DE-627)303393416 (DE-600)1494910-6 (DE-576)259484032 0264-8172 nnns volume:112 GBV_USEFLAG_U SYSFLAG_U GBV_ELV SSG-OPC-GGO GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 38.48 Marine Geologie 38.51 Geologie fossiler Brennstoffe AR 112
spelling	10.1016/j.marpetgeo.2019.104088 doi (DE-627)ELV003318931 (ELSEVIER)S0264-8172(19)30524-0 DE-627 ger DE-627 rda eng 550 DE-600 38.48 bkl 38.51 bkl Li, Mi verfasserin aut The diagenetic controls of the reservoir heterogeneity in the tight sand gas reservoirs of the Zizhou Area in China's east Ordos Basin: Implications for reservoir quality predictions 2019 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The Shan 23 sandstone formations are important exploratory targets for tight gas resources in the Zizhou Area of the Ordos Basin. In this study, we investigated the effects of diagenesis on the heterogeneity of tight sandstone deposits in similar sedimentary facies and identified the main controlling factors of reservoir quality. A total of 169 samples were collected from 50 wells for a series of analyses. The heterogeneity of the sandstones is mainly controlled by cement and pore-throat characteristics, which showed regional differences in the study area consistent with the regional variations in the detrital components. These results indicate that the diagenesis influenced by the sediment composition is the main controlling factor of the reservoir heterogeneity. The compaction dominated by ductile grains is the major cause of the primary porosity losses in the sandstones, followed by the quartz and clay (kaolinite and illite) cementation. Residual intergranular pores rarely occur in the sandstones with a ductile lithic grain content greater than 2%. Altered kaolinite and recrystallized illite commonly occur in the sandstones with high ductile grain content. Residual intergranular pores, quartz overgrowths, and authigenic kaolinite are the most common phases in the sandstones rich in detrital quartz. The dissolution formed secondary pores and provided a minor contribution to reservoirs permeability. Secondary pores predominantly occur in the quartz arenite due to the preservation of the primary pores. Diagenesis Reservoir heterogeneity Tight sand gas reservoirs Reservoir quality Ordos basin Guo, Yinghai verfasserin aut Li, Zhuangfu verfasserin aut Wang, Huaichang verfasserin aut Enthalten in Marine and petroleum geology Amsterdam [u.a.] : Elsevier Science, 1984 112 Online-Ressource (DE-627)303393416 (DE-600)1494910-6 (DE-576)259484032 0264-8172 nnns volume:112 GBV_USEFLAG_U SYSFLAG_U GBV_ELV SSG-OPC-GGO GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 38.48 Marine Geologie 38.51 Geologie fossiler Brennstoffe AR 112
allfields_unstemmed	10.1016/j.marpetgeo.2019.104088 doi (DE-627)ELV003318931 (ELSEVIER)S0264-8172(19)30524-0 DE-627 ger DE-627 rda eng 550 DE-600 38.48 bkl 38.51 bkl Li, Mi verfasserin aut The diagenetic controls of the reservoir heterogeneity in the tight sand gas reservoirs of the Zizhou Area in China's east Ordos Basin: Implications for reservoir quality predictions 2019 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The Shan 23 sandstone formations are important exploratory targets for tight gas resources in the Zizhou Area of the Ordos Basin. In this study, we investigated the effects of diagenesis on the heterogeneity of tight sandstone deposits in similar sedimentary facies and identified the main controlling factors of reservoir quality. A total of 169 samples were collected from 50 wells for a series of analyses. The heterogeneity of the sandstones is mainly controlled by cement and pore-throat characteristics, which showed regional differences in the study area consistent with the regional variations in the detrital components. These results indicate that the diagenesis influenced by the sediment composition is the main controlling factor of the reservoir heterogeneity. The compaction dominated by ductile grains is the major cause of the primary porosity losses in the sandstones, followed by the quartz and clay (kaolinite and illite) cementation. Residual intergranular pores rarely occur in the sandstones with a ductile lithic grain content greater than 2%. Altered kaolinite and recrystallized illite commonly occur in the sandstones with high ductile grain content. Residual intergranular pores, quartz overgrowths, and authigenic kaolinite are the most common phases in the sandstones rich in detrital quartz. The dissolution formed secondary pores and provided a minor contribution to reservoirs permeability. Secondary pores predominantly occur in the quartz arenite due to the preservation of the primary pores. Diagenesis Reservoir heterogeneity Tight sand gas reservoirs Reservoir quality Ordos basin Guo, Yinghai verfasserin aut Li, Zhuangfu verfasserin aut Wang, Huaichang verfasserin aut Enthalten in Marine and petroleum geology Amsterdam [u.a.] : Elsevier Science, 1984 112 Online-Ressource (DE-627)303393416 (DE-600)1494910-6 (DE-576)259484032 0264-8172 nnns volume:112 GBV_USEFLAG_U SYSFLAG_U GBV_ELV SSG-OPC-GGO GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 38.48 Marine Geologie 38.51 Geologie fossiler Brennstoffe AR 112
allfieldsGer	10.1016/j.marpetgeo.2019.104088 doi (DE-627)ELV003318931 (ELSEVIER)S0264-8172(19)30524-0 DE-627 ger DE-627 rda eng 550 DE-600 38.48 bkl 38.51 bkl Li, Mi verfasserin aut The diagenetic controls of the reservoir heterogeneity in the tight sand gas reservoirs of the Zizhou Area in China's east Ordos Basin: Implications for reservoir quality predictions 2019 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The Shan 23 sandstone formations are important exploratory targets for tight gas resources in the Zizhou Area of the Ordos Basin. In this study, we investigated the effects of diagenesis on the heterogeneity of tight sandstone deposits in similar sedimentary facies and identified the main controlling factors of reservoir quality. A total of 169 samples were collected from 50 wells for a series of analyses. The heterogeneity of the sandstones is mainly controlled by cement and pore-throat characteristics, which showed regional differences in the study area consistent with the regional variations in the detrital components. These results indicate that the diagenesis influenced by the sediment composition is the main controlling factor of the reservoir heterogeneity. The compaction dominated by ductile grains is the major cause of the primary porosity losses in the sandstones, followed by the quartz and clay (kaolinite and illite) cementation. Residual intergranular pores rarely occur in the sandstones with a ductile lithic grain content greater than 2%. Altered kaolinite and recrystallized illite commonly occur in the sandstones with high ductile grain content. Residual intergranular pores, quartz overgrowths, and authigenic kaolinite are the most common phases in the sandstones rich in detrital quartz. The dissolution formed secondary pores and provided a minor contribution to reservoirs permeability. Secondary pores predominantly occur in the quartz arenite due to the preservation of the primary pores. Diagenesis Reservoir heterogeneity Tight sand gas reservoirs Reservoir quality Ordos basin Guo, Yinghai verfasserin aut Li, Zhuangfu verfasserin aut Wang, Huaichang verfasserin aut Enthalten in Marine and petroleum geology Amsterdam [u.a.] : Elsevier Science, 1984 112 Online-Ressource (DE-627)303393416 (DE-600)1494910-6 (DE-576)259484032 0264-8172 nnns volume:112 GBV_USEFLAG_U SYSFLAG_U GBV_ELV SSG-OPC-GGO GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 38.48 Marine Geologie 38.51 Geologie fossiler Brennstoffe AR 112
allfieldsSound	10.1016/j.marpetgeo.2019.104088 doi (DE-627)ELV003318931 (ELSEVIER)S0264-8172(19)30524-0 DE-627 ger DE-627 rda eng 550 DE-600 38.48 bkl 38.51 bkl Li, Mi verfasserin aut The diagenetic controls of the reservoir heterogeneity in the tight sand gas reservoirs of the Zizhou Area in China's east Ordos Basin: Implications for reservoir quality predictions 2019 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The Shan 23 sandstone formations are important exploratory targets for tight gas resources in the Zizhou Area of the Ordos Basin. In this study, we investigated the effects of diagenesis on the heterogeneity of tight sandstone deposits in similar sedimentary facies and identified the main controlling factors of reservoir quality. A total of 169 samples were collected from 50 wells for a series of analyses. The heterogeneity of the sandstones is mainly controlled by cement and pore-throat characteristics, which showed regional differences in the study area consistent with the regional variations in the detrital components. These results indicate that the diagenesis influenced by the sediment composition is the main controlling factor of the reservoir heterogeneity. The compaction dominated by ductile grains is the major cause of the primary porosity losses in the sandstones, followed by the quartz and clay (kaolinite and illite) cementation. Residual intergranular pores rarely occur in the sandstones with a ductile lithic grain content greater than 2%. Altered kaolinite and recrystallized illite commonly occur in the sandstones with high ductile grain content. Residual intergranular pores, quartz overgrowths, and authigenic kaolinite are the most common phases in the sandstones rich in detrital quartz. The dissolution formed secondary pores and provided a minor contribution to reservoirs permeability. Secondary pores predominantly occur in the quartz arenite due to the preservation of the primary pores. Diagenesis Reservoir heterogeneity Tight sand gas reservoirs Reservoir quality Ordos basin Guo, Yinghai verfasserin aut Li, Zhuangfu verfasserin aut Wang, Huaichang verfasserin aut Enthalten in Marine and petroleum geology Amsterdam [u.a.] : Elsevier Science, 1984 112 Online-Ressource (DE-627)303393416 (DE-600)1494910-6 (DE-576)259484032 0264-8172 nnns volume:112 GBV_USEFLAG_U SYSFLAG_U GBV_ELV SSG-OPC-GGO GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 38.48 Marine Geologie 38.51 Geologie fossiler Brennstoffe AR 112
language	English
source	Enthalten in Marine and petroleum geology 112 volume:112
sourceStr	Enthalten in Marine and petroleum geology 112 volume:112
format_phy_str_mv	Article
bklname	Marine Geologie Geologie fossiler Brennstoffe
institution	findex.gbv.de
topic_facet	Diagenesis Reservoir heterogeneity Tight sand gas reservoirs Reservoir quality Ordos basin
dewey-raw	550
isfreeaccess_bool	false
container_title	Marine and petroleum geology
authorswithroles_txt_mv	Li, Mi @@aut@@ Guo, Yinghai @@aut@@ Li, Zhuangfu @@aut@@ Wang, Huaichang @@aut@@
publishDateDaySort_date	2019-01-01T00:00:00Z
hierarchy_top_id	303393416
dewey-sort	3550
id	ELV003318931
language_de	englisch
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author	Li, Mi
spellingShingle	Li, Mi ddc 550 bkl 38.48 bkl 38.51 misc Diagenesis misc Reservoir heterogeneity misc Tight sand gas reservoirs misc Reservoir quality misc Ordos basin The diagenetic controls of the reservoir heterogeneity in the tight sand gas reservoirs of the Zizhou Area in China's east Ordos Basin: Implications for reservoir quality predictions
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topic_title	550 DE-600 38.48 bkl 38.51 bkl The diagenetic controls of the reservoir heterogeneity in the tight sand gas reservoirs of the Zizhou Area in China's east Ordos Basin: Implications for reservoir quality predictions Diagenesis Reservoir heterogeneity Tight sand gas reservoirs Reservoir quality Ordos basin
topic	ddc 550 bkl 38.48 bkl 38.51 misc Diagenesis misc Reservoir heterogeneity misc Tight sand gas reservoirs misc Reservoir quality misc Ordos basin
topic_unstemmed	ddc 550 bkl 38.48 bkl 38.51 misc Diagenesis misc Reservoir heterogeneity misc Tight sand gas reservoirs misc Reservoir quality misc Ordos basin
topic_browse	ddc 550 bkl 38.48 bkl 38.51 misc Diagenesis misc Reservoir heterogeneity misc Tight sand gas reservoirs misc Reservoir quality misc Ordos basin
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title	The diagenetic controls of the reservoir heterogeneity in the tight sand gas reservoirs of the Zizhou Area in China's east Ordos Basin: Implications for reservoir quality predictions
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title_full	The diagenetic controls of the reservoir heterogeneity in the tight sand gas reservoirs of the Zizhou Area in China's east Ordos Basin: Implications for reservoir quality predictions
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journal	Marine and petroleum geology
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author_browse	Li, Mi Guo, Yinghai Li, Zhuangfu Wang, Huaichang
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title_sort	the diagenetic controls of the reservoir heterogeneity in the tight sand gas reservoirs of the zizhou area in china's east ordos basin: implications for reservoir quality predictions
title_auth	The diagenetic controls of the reservoir heterogeneity in the tight sand gas reservoirs of the Zizhou Area in China's east Ordos Basin: Implications for reservoir quality predictions
abstract	The Shan 23 sandstone formations are important exploratory targets for tight gas resources in the Zizhou Area of the Ordos Basin. In this study, we investigated the effects of diagenesis on the heterogeneity of tight sandstone deposits in similar sedimentary facies and identified the main controlling factors of reservoir quality. A total of 169 samples were collected from 50 wells for a series of analyses. The heterogeneity of the sandstones is mainly controlled by cement and pore-throat characteristics, which showed regional differences in the study area consistent with the regional variations in the detrital components. These results indicate that the diagenesis influenced by the sediment composition is the main controlling factor of the reservoir heterogeneity. The compaction dominated by ductile grains is the major cause of the primary porosity losses in the sandstones, followed by the quartz and clay (kaolinite and illite) cementation. Residual intergranular pores rarely occur in the sandstones with a ductile lithic grain content greater than 2%. Altered kaolinite and recrystallized illite commonly occur in the sandstones with high ductile grain content. Residual intergranular pores, quartz overgrowths, and authigenic kaolinite are the most common phases in the sandstones rich in detrital quartz. The dissolution formed secondary pores and provided a minor contribution to reservoirs permeability. Secondary pores predominantly occur in the quartz arenite due to the preservation of the primary pores.
abstractGer	The Shan 23 sandstone formations are important exploratory targets for tight gas resources in the Zizhou Area of the Ordos Basin. In this study, we investigated the effects of diagenesis on the heterogeneity of tight sandstone deposits in similar sedimentary facies and identified the main controlling factors of reservoir quality. A total of 169 samples were collected from 50 wells for a series of analyses. The heterogeneity of the sandstones is mainly controlled by cement and pore-throat characteristics, which showed regional differences in the study area consistent with the regional variations in the detrital components. These results indicate that the diagenesis influenced by the sediment composition is the main controlling factor of the reservoir heterogeneity. The compaction dominated by ductile grains is the major cause of the primary porosity losses in the sandstones, followed by the quartz and clay (kaolinite and illite) cementation. Residual intergranular pores rarely occur in the sandstones with a ductile lithic grain content greater than 2%. Altered kaolinite and recrystallized illite commonly occur in the sandstones with high ductile grain content. Residual intergranular pores, quartz overgrowths, and authigenic kaolinite are the most common phases in the sandstones rich in detrital quartz. The dissolution formed secondary pores and provided a minor contribution to reservoirs permeability. Secondary pores predominantly occur in the quartz arenite due to the preservation of the primary pores.
abstract_unstemmed	The Shan 23 sandstone formations are important exploratory targets for tight gas resources in the Zizhou Area of the Ordos Basin. In this study, we investigated the effects of diagenesis on the heterogeneity of tight sandstone deposits in similar sedimentary facies and identified the main controlling factors of reservoir quality. A total of 169 samples were collected from 50 wells for a series of analyses. The heterogeneity of the sandstones is mainly controlled by cement and pore-throat characteristics, which showed regional differences in the study area consistent with the regional variations in the detrital components. These results indicate that the diagenesis influenced by the sediment composition is the main controlling factor of the reservoir heterogeneity. The compaction dominated by ductile grains is the major cause of the primary porosity losses in the sandstones, followed by the quartz and clay (kaolinite and illite) cementation. Residual intergranular pores rarely occur in the sandstones with a ductile lithic grain content greater than 2%. Altered kaolinite and recrystallized illite commonly occur in the sandstones with high ductile grain content. Residual intergranular pores, quartz overgrowths, and authigenic kaolinite are the most common phases in the sandstones rich in detrital quartz. The dissolution formed secondary pores and provided a minor contribution to reservoirs permeability. Secondary pores predominantly occur in the quartz arenite due to the preservation of the primary pores.
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title_short	The diagenetic controls of the reservoir heterogeneity in the tight sand gas reservoirs of the Zizhou Area in China's east Ordos Basin: Implications for reservoir quality predictions
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up_date	2024-07-06T19:13:19.170Z
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The diagenetic controls of the reservoir heterogeneity in the tight sand gas reservoirs of the Zizhou Area in China's east Ordos Basin: Implications for reservoir quality predictions

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