Study on seismic petrophysics and dispersion characteristics of carbonate rocks with deep ultra-deep complex pore structure in Tarim Basin
Carbonate rock is a critical reservoir for China’s onshore oil and gas exploration. Carbonate reservoirs in different regions significantly differ in sedimentary and diagenesis processes and factors affecting their petrophysical and seismic rock physics properties. Therefore, it is critical to analy...
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| Veröffentlicht in: | Applied geophysics 2023-12, Vol.20 (4), p.432-446 |
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| creator | Li, Chuang Pan, Jian-guo Wang, Hong-bin Li, Hui-zhen Feng, Chao Zhou, Jun-feng |
| description | Carbonate rock is a critical reservoir for China’s onshore oil and gas exploration. Carbonate reservoirs in different regions significantly differ in sedimentary and diagenesis processes and factors affecting their petrophysical and seismic rock physics properties. Therefore, it is critical to analyze the corresponding properties of carbonate rocks in different regions. Based on systematic petrological, rock microstructure, physical property, and seismic elastic characteristic measurements of deep carbonate reservoir samples in the Tarim Basin, the variation laws and influencing factors of the samples’ physical and seismic elastic properties are analyzed. Based on these measurements, the variation patterns and influencing factors of petrophysical and seismic rock properties of rock samples are analyzed. The results show that the carbonate pore structure controls the overall variations of petrophysical and seismic rock physical properties of carbonate samples, and it is challenging to build a simple statistical model of porosity—permeability, porosity—velocity, and density—velocity. P- and S-velocities correlate well, and the P-and S-velocity ratio is a good index for rock typing. For tight carbonate samples, apparent velocity dispersion at a seismic exploration frequency band (5–200 Hz) can be observed, and the pore structure controls the velocity dispersion and attenuation features. Carbonate samples with crack-dissolution pores show moderately stronger velocity dispersion than samples with dissolution and microcrack pores. The pore aspect ratio and the frame flexibility factor (γ) calculated from the seismic rock physics model correlate well with pore structure parameters, such as the characteristic ratio surface. The pore aspect ratio and frame flexibility factor can be used to quantitatively characterize the changes in the pore structure of tight carbonate samples, reflecting the pore structure effects on the elastic wave velocity. This study’s results can provide a basis for rock-typing carbonate reservoirs, lithology, and hydrocarbon detection of relevant reservoirs. |
| doi_str_mv | 10.1007/s11770-022-0974-y |
| format | Article |
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Carbonate reservoirs in different regions significantly differ in sedimentary and diagenesis processes and factors affecting their petrophysical and seismic rock physics properties. Therefore, it is critical to analyze the corresponding properties of carbonate rocks in different regions. Based on systematic petrological, rock microstructure, physical property, and seismic elastic characteristic measurements of deep carbonate reservoir samples in the Tarim Basin, the variation laws and influencing factors of the samples’ physical and seismic elastic properties are analyzed. Based on these measurements, the variation patterns and influencing factors of petrophysical and seismic rock properties of rock samples are analyzed. The results show that the carbonate pore structure controls the overall variations of petrophysical and seismic rock physical properties of carbonate samples, and it is challenging to build a simple statistical model of porosity—permeability, porosity—velocity, and density—velocity. P- and S-velocities correlate well, and the P-and S-velocity ratio is a good index for rock typing. For tight carbonate samples, apparent velocity dispersion at a seismic exploration frequency band (5–200 Hz) can be observed, and the pore structure controls the velocity dispersion and attenuation features. Carbonate samples with crack-dissolution pores show moderately stronger velocity dispersion than samples with dissolution and microcrack pores. The pore aspect ratio and the frame flexibility factor (γ) calculated from the seismic rock physics model correlate well with pore structure parameters, such as the characteristic ratio surface. The pore aspect ratio and frame flexibility factor can be used to quantitatively characterize the changes in the pore structure of tight carbonate samples, reflecting the pore structure effects on the elastic wave velocity. This study’s results can provide a basis for rock-typing carbonate reservoirs, lithology, and hydrocarbon detection of relevant reservoirs.</description><identifier>ISSN: 1672-7975</identifier><identifier>EISSN: 1993-0658</identifier><identifier>DOI: 10.1007/s11770-022-0974-y</identifier><language>eng</language><publisher>Berlin/Heidelberg: Springer Berlin Heidelberg</publisher><subject>Aspect ratio ; Carbonate rocks ; Carbonates ; Diagenesis ; Dispersion ; Dissolution ; Dissolving ; Earth and Environmental Science ; Earth Sciences ; Elastic analysis ; Elastic properties ; Elastic waves ; Flexibility ; Frequencies ; Geophysics/Geodesy ; Geotechnical Engineering & Applied Earth Sciences ; Hydrocarbons ; Lithology ; Mathematical models ; Microcracks ; Microstructure ; Natural gas exploration ; Oil and gas exploration ; Oil exploration ; Permeability ; Physical properties ; Physics ; Pores ; Porosity ; Reservoirs ; Rock properties ; Sediment samples ; Seismic activity ; Seismic exploration ; Seismic velocities ; Seismology ; Statistical models ; Typing ; Variation ; Velocity ; Wave velocity</subject><ispartof>Applied geophysics, 2023-12, Vol.20 (4), p.432-446</ispartof><rights>The Editorial Department of APPLIED GEOPHYSICS 2022</rights><rights>The Editorial Department of APPLIED GEOPHYSICS 2022.</rights><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c316t-60b9db11661b645eb9bb666b760808a00b52a269b1d3546ebae0017969d2836c3</citedby><cites>FETCH-LOGICAL-c316t-60b9db11661b645eb9bb666b760808a00b52a269b1d3546ebae0017969d2836c3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s11770-022-0974-y$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s11770-022-0974-y$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,776,780,27901,27902,41464,42533,51294</link.rule.ids></links><search><creatorcontrib>Li, Chuang</creatorcontrib><creatorcontrib>Pan, Jian-guo</creatorcontrib><creatorcontrib>Wang, Hong-bin</creatorcontrib><creatorcontrib>Li, Hui-zhen</creatorcontrib><creatorcontrib>Feng, Chao</creatorcontrib><creatorcontrib>Zhou, Jun-feng</creatorcontrib><title>Study on seismic petrophysics and dispersion characteristics of carbonate rocks with deep ultra-deep complex pore structure in Tarim Basin</title><title>Applied geophysics</title><addtitle>Appl. Geophys</addtitle><description>Carbonate rock is a critical reservoir for China’s onshore oil and gas exploration. Carbonate reservoirs in different regions significantly differ in sedimentary and diagenesis processes and factors affecting their petrophysical and seismic rock physics properties. Therefore, it is critical to analyze the corresponding properties of carbonate rocks in different regions. Based on systematic petrological, rock microstructure, physical property, and seismic elastic characteristic measurements of deep carbonate reservoir samples in the Tarim Basin, the variation laws and influencing factors of the samples’ physical and seismic elastic properties are analyzed. Based on these measurements, the variation patterns and influencing factors of petrophysical and seismic rock properties of rock samples are analyzed. The results show that the carbonate pore structure controls the overall variations of petrophysical and seismic rock physical properties of carbonate samples, and it is challenging to build a simple statistical model of porosity—permeability, porosity—velocity, and density—velocity. P- and S-velocities correlate well, and the P-and S-velocity ratio is a good index for rock typing. For tight carbonate samples, apparent velocity dispersion at a seismic exploration frequency band (5–200 Hz) can be observed, and the pore structure controls the velocity dispersion and attenuation features. Carbonate samples with crack-dissolution pores show moderately stronger velocity dispersion than samples with dissolution and microcrack pores. The pore aspect ratio and the frame flexibility factor (γ) calculated from the seismic rock physics model correlate well with pore structure parameters, such as the characteristic ratio surface. The pore aspect ratio and frame flexibility factor can be used to quantitatively characterize the changes in the pore structure of tight carbonate samples, reflecting the pore structure effects on the elastic wave velocity. This study’s results can provide a basis for rock-typing carbonate reservoirs, lithology, and hydrocarbon detection of relevant reservoirs.</description><subject>Aspect ratio</subject><subject>Carbonate rocks</subject><subject>Carbonates</subject><subject>Diagenesis</subject><subject>Dispersion</subject><subject>Dissolution</subject><subject>Dissolving</subject><subject>Earth and Environmental Science</subject><subject>Earth Sciences</subject><subject>Elastic analysis</subject><subject>Elastic properties</subject><subject>Elastic waves</subject><subject>Flexibility</subject><subject>Frequencies</subject><subject>Geophysics/Geodesy</subject><subject>Geotechnical Engineering & Applied Earth Sciences</subject><subject>Hydrocarbons</subject><subject>Lithology</subject><subject>Mathematical models</subject><subject>Microcracks</subject><subject>Microstructure</subject><subject>Natural gas exploration</subject><subject>Oil and gas exploration</subject><subject>Oil exploration</subject><subject>Permeability</subject><subject>Physical properties</subject><subject>Physics</subject><subject>Pores</subject><subject>Porosity</subject><subject>Reservoirs</subject><subject>Rock properties</subject><subject>Sediment samples</subject><subject>Seismic activity</subject><subject>Seismic exploration</subject><subject>Seismic velocities</subject><subject>Seismology</subject><subject>Statistical models</subject><subject>Typing</subject><subject>Variation</subject><subject>Velocity</subject><subject>Wave velocity</subject><issn>1672-7975</issn><issn>1993-0658</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2023</creationdate><recordtype>article</recordtype><recordid>eNp1kE9P3DAQxaMKpFLgA3CzxNnt2EnG8bEg-kdC6qFwtmzHy5ruxsHjqM1X6Keut1upJ07zpPm9N6PXNFcC3gsA9YGEUAo4SMlBq46vb5ozoXXLAfvhpGpUkiut-rfNO6JnAGwldmfN7-9lGVeWJkYh0j56NoeS07xdKXpidhrZGGkOmWJl_NZm60vIkcphnTbM2-zSZEtgOfkfxH7GsmVjCDNbdiVb_lf6tJ934RebUw6MSl58WaqKE3uwOe7ZjaU4XTSnG7ujcPlvnjePn-4ebr_w-2-fv95-vOe-FVg4gtOjEwJROOz64LRziOgUwgCDBXC9tBK1E2PbdxicDQBCadSjHFr07Xlzfcydc3pZAhXznJY81ZNG6qHXXSukqpQ4Uj4nohw2Zq6f2rwaAeZQuTlWbmrl5lC5WatHHj1U2ekp5P_Jr5v-AD3rhwQ</recordid><startdate>20231201</startdate><enddate>20231201</enddate><creator>Li, Chuang</creator><creator>Pan, Jian-guo</creator><creator>Wang, Hong-bin</creator><creator>Li, Hui-zhen</creator><creator>Feng, Chao</creator><creator>Zhou, Jun-feng</creator><general>Springer Berlin Heidelberg</general><general>Springer Nature B.V</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7TG</scope><scope>7UA</scope><scope>8FD</scope><scope>C1K</scope><scope>F1W</scope><scope>H8D</scope><scope>H96</scope><scope>KL.</scope><scope>L.G</scope><scope>L7M</scope></search><sort><creationdate>20231201</creationdate><title>Study on seismic petrophysics and dispersion characteristics of carbonate rocks with deep ultra-deep complex pore structure in Tarim Basin</title><author>Li, Chuang ; Pan, Jian-guo ; Wang, Hong-bin ; Li, Hui-zhen ; Feng, Chao ; Zhou, Jun-feng</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c316t-60b9db11661b645eb9bb666b760808a00b52a269b1d3546ebae0017969d2836c3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2023</creationdate><topic>Aspect ratio</topic><topic>Carbonate rocks</topic><topic>Carbonates</topic><topic>Diagenesis</topic><topic>Dispersion</topic><topic>Dissolution</topic><topic>Dissolving</topic><topic>Earth and Environmental Science</topic><topic>Earth Sciences</topic><topic>Elastic analysis</topic><topic>Elastic properties</topic><topic>Elastic waves</topic><topic>Flexibility</topic><topic>Frequencies</topic><topic>Geophysics/Geodesy</topic><topic>Geotechnical Engineering & Applied Earth Sciences</topic><topic>Hydrocarbons</topic><topic>Lithology</topic><topic>Mathematical models</topic><topic>Microcracks</topic><topic>Microstructure</topic><topic>Natural gas exploration</topic><topic>Oil and gas exploration</topic><topic>Oil exploration</topic><topic>Permeability</topic><topic>Physical properties</topic><topic>Physics</topic><topic>Pores</topic><topic>Porosity</topic><topic>Reservoirs</topic><topic>Rock properties</topic><topic>Sediment samples</topic><topic>Seismic activity</topic><topic>Seismic exploration</topic><topic>Seismic velocities</topic><topic>Seismology</topic><topic>Statistical models</topic><topic>Typing</topic><topic>Variation</topic><topic>Velocity</topic><topic>Wave velocity</topic><toplevel>online_resources</toplevel><creatorcontrib>Li, Chuang</creatorcontrib><creatorcontrib>Pan, Jian-guo</creatorcontrib><creatorcontrib>Wang, Hong-bin</creatorcontrib><creatorcontrib>Li, Hui-zhen</creatorcontrib><creatorcontrib>Feng, Chao</creatorcontrib><creatorcontrib>Zhou, Jun-feng</creatorcontrib><collection>CrossRef</collection><collection>Meteorological & Geoastrophysical Abstracts</collection><collection>Water Resources Abstracts</collection><collection>Technology Research Database</collection><collection>Environmental Sciences and Pollution Management</collection><collection>ASFA: Aquatic Sciences and Fisheries Abstracts</collection><collection>Aerospace Database</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 2: Ocean Technology, Policy & Non-Living Resources</collection><collection>Meteorological & Geoastrophysical Abstracts - Academic</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Professional</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Applied geophysics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Li, Chuang</au><au>Pan, Jian-guo</au><au>Wang, Hong-bin</au><au>Li, Hui-zhen</au><au>Feng, Chao</au><au>Zhou, Jun-feng</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Study on seismic petrophysics and dispersion characteristics of carbonate rocks with deep ultra-deep complex pore structure in Tarim Basin</atitle><jtitle>Applied geophysics</jtitle><stitle>Appl. Geophys</stitle><date>2023-12-01</date><risdate>2023</risdate><volume>20</volume><issue>4</issue><spage>432</spage><epage>446</epage><pages>432-446</pages><issn>1672-7975</issn><eissn>1993-0658</eissn><abstract>Carbonate rock is a critical reservoir for China’s onshore oil and gas exploration. Carbonate reservoirs in different regions significantly differ in sedimentary and diagenesis processes and factors affecting their petrophysical and seismic rock physics properties. Therefore, it is critical to analyze the corresponding properties of carbonate rocks in different regions. Based on systematic petrological, rock microstructure, physical property, and seismic elastic characteristic measurements of deep carbonate reservoir samples in the Tarim Basin, the variation laws and influencing factors of the samples’ physical and seismic elastic properties are analyzed. Based on these measurements, the variation patterns and influencing factors of petrophysical and seismic rock properties of rock samples are analyzed. The results show that the carbonate pore structure controls the overall variations of petrophysical and seismic rock physical properties of carbonate samples, and it is challenging to build a simple statistical model of porosity—permeability, porosity—velocity, and density—velocity. P- and S-velocities correlate well, and the P-and S-velocity ratio is a good index for rock typing. For tight carbonate samples, apparent velocity dispersion at a seismic exploration frequency band (5–200 Hz) can be observed, and the pore structure controls the velocity dispersion and attenuation features. Carbonate samples with crack-dissolution pores show moderately stronger velocity dispersion than samples with dissolution and microcrack pores. The pore aspect ratio and the frame flexibility factor (γ) calculated from the seismic rock physics model correlate well with pore structure parameters, such as the characteristic ratio surface. The pore aspect ratio and frame flexibility factor can be used to quantitatively characterize the changes in the pore structure of tight carbonate samples, reflecting the pore structure effects on the elastic wave velocity. This study’s results can provide a basis for rock-typing carbonate reservoirs, lithology, and hydrocarbon detection of relevant reservoirs.</abstract><cop>Berlin/Heidelberg</cop><pub>Springer Berlin Heidelberg</pub><doi>10.1007/s11770-022-0974-y</doi><tpages>15</tpages></addata></record> |
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| subjects | Aspect ratio Carbonate rocks Carbonates Diagenesis Dispersion Dissolution Dissolving Earth and Environmental Science Earth Sciences Elastic analysis Elastic properties Elastic waves Flexibility Frequencies Geophysics/Geodesy Geotechnical Engineering & Applied Earth Sciences Hydrocarbons Lithology Mathematical models Microcracks Microstructure Natural gas exploration Oil and gas exploration Oil exploration Permeability Physical properties Physics Pores Porosity Reservoirs Rock properties Sediment samples Seismic activity Seismic exploration Seismic velocities Seismology Statistical models Typing Variation Velocity Wave velocity |
| title | Study on seismic petrophysics and dispersion characteristics of carbonate rocks with deep ultra-deep complex pore structure in Tarim Basin |
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