Converted-wave diodic moveout and application in the land gas cloud area
PS converted-waves (C-waves) have been commonly used to image through gas clouds but the C-wave imaging may also be degraded by the diodic effect introduced by the gas cloud. It may be compensated for using a velocity perturbation method which decouples the diodic moveout into two parts: the base ve...
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| Veröffentlicht in: | Applied geophysics 2011-09, Vol.8 (3), p.171-180 |
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| creator | Zhang, Si-Hai Li, Xiang-Yang Dai, Heng-Chang |
| description | PS converted-waves (C-waves) have been commonly used to image through gas clouds but the C-wave imaging may also be degraded by the diodic effect introduced by the gas cloud. It may be compensated for using a velocity perturbation method which decouples the diodic moveout into two parts: the base velocity and the velocity perturbation. Gas clouds are widely distributed in the Sanhu area in the Qaidam basin of northwest China which is rich in natural gas. A land 2D3C seismic dataset is analyzed from the Sanhu area and significant diodic effects are observed in the data which harm the C-wave imaging. The diodic correction is applied to this data and the resultant C-wave imaging and the details of the reservoir structure are significantly improved. The diodic moveout plays an important role in working out the residual shear wave statics and the association of diodic correction and shear wave residual statics computation is a key step of C-wave high fidelity imaging in the gas cloud area. Finally, the new process workflow with diodic moveout is given. |
| doi_str_mv | 10.1007/s11770-011-0291-3 |
| format | Article |
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It may be compensated for using a velocity perturbation method which decouples the diodic moveout into two parts: the base velocity and the velocity perturbation. Gas clouds are widely distributed in the Sanhu area in the Qaidam basin of northwest China which is rich in natural gas. A land 2D3C seismic dataset is analyzed from the Sanhu area and significant diodic effects are observed in the data which harm the C-wave imaging. The diodic correction is applied to this data and the resultant C-wave imaging and the details of the reservoir structure are significantly improved. The diodic moveout plays an important role in working out the residual shear wave statics and the association of diodic correction and shear wave residual statics computation is a key step of C-wave high fidelity imaging in the gas cloud area. Finally, the new process workflow with diodic moveout is given.</description><identifier>ISSN: 1672-7975</identifier><identifier>EISSN: 1993-0658</identifier><identifier>DOI: 10.1007/s11770-011-0291-3</identifier><language>eng</language><publisher>Heidelberg: Chinese Geophysical Society</publisher><subject>Earth and Environmental Science ; Earth Sciences ; Gases ; Geophysics ; Geophysics/Geodesy ; Geotechnical Engineering & Applied Earth Sciences ; Natural gas ; Velocity</subject><ispartof>Applied geophysics, 2011-09, Vol.8 (3), p.171-180</ispartof><rights>Editorial Office of Applied Geophysics and Springer-Verlag Berlin Heidelberg 2011</rights><rights>Copyright © Wanfang Data Co. Ltd. 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The diodic moveout plays an important role in working out the residual shear wave statics and the association of diodic correction and shear wave residual statics computation is a key step of C-wave high fidelity imaging in the gas cloud area. Finally, the new process workflow with diodic moveout is given.</description><subject>Earth and Environmental Science</subject><subject>Earth Sciences</subject><subject>Gases</subject><subject>Geophysics</subject><subject>Geophysics/Geodesy</subject><subject>Geotechnical Engineering & Applied Earth Sciences</subject><subject>Natural gas</subject><subject>Velocity</subject><issn>1672-7975</issn><issn>1993-0658</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2011</creationdate><recordtype>article</recordtype><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><sourceid>GNUQQ</sourceid><recordid>eNp1kV9LwzAUxYsoOKcfwLfii0_Rm__Nowx1wsAXfQ5pk86OrtmSbmPf3pSKA8GnGy6_c3KSk2W3GB4wgHyMGEsJCDBGQBRG9CybYKUoAsGL83QWkiCpJL_MrmJcAQhKBJtk85nv9i70zqKD2bvcNt42Vb72e-d3fW46m5vNpm0q0ze-y5su779c3g77pYl51fpdIoIz19lFbdrobn7mNPt8ef6YzdHi_fVt9rRAhgHpkZGkEAqXQgCueWkllCBLzh3D1haKsJoScLx01DDKBcHOUkOBG6tEhVVBp9n96HswXW26pV75XejSjfp4tNtDS9IXAAWgJ3IT_HbnYq_XTaxcm8Knt0WtOBNMEhg87_6Qv6aFKhhQxkmC8AhVwccYXK03oVmbcNQY9NCBHjvQKYAeOtBDBDJqYmK7pQsn4_9F36qPhx4</recordid><startdate>20110901</startdate><enddate>20110901</enddate><creator>Zhang, Si-Hai</creator><creator>Li, Xiang-Yang</creator><creator>Dai, Heng-Chang</creator><general>Chinese Geophysical Society</general><general>Springer Nature B.V</general><general>State Key Laboratory of Petroleum Resources and Prospecting, China University of Petroleum, Beijing 102249 China</general><general>CNPC Key Laboratory of Geophysical Prospecting, China University of Petroleum, Beijing 102249 China%CNPC Key Laboratory of Geophysical Prospecting, China University of Petroleum, Beijing 102249 China</general><general>Edinburgh Anisotropy Project, British Geophysical Survey, Edinburgh EH9 3LA, U.K.%Edinburgh Anisotropy Project, British Geophysical Survey, Edinburgh EH9 3LA, U.K</general><scope>AAYXX</scope><scope>CITATION</scope><scope>3V.</scope><scope>7TG</scope><scope>7UA</scope><scope>7XB</scope><scope>88I</scope><scope>8FD</scope><scope>8FE</scope><scope>8FG</scope><scope>8FK</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>ARAPS</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>BHPHI</scope><scope>BKSAR</scope><scope>C1K</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>F1W</scope><scope>GNUQQ</scope><scope>H8D</scope><scope>H96</scope><scope>HCIFZ</scope><scope>KL.</scope><scope>L.G</scope><scope>L7M</scope><scope>M2P</scope><scope>P5Z</scope><scope>P62</scope><scope>PCBAR</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>Q9U</scope><scope>2B.</scope><scope>4A8</scope><scope>92I</scope><scope>93N</scope><scope>PSX</scope><scope>TCJ</scope></search><sort><creationdate>20110901</creationdate><title>Converted-wave diodic moveout and application in the land gas cloud area</title><author>Zhang, Si-Hai ; Li, Xiang-Yang ; Dai, Heng-Chang</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a402t-a728691b6601f5bd70b07b55e41dd8924f320e5be3a435621ed3a305ad96c1983</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2011</creationdate><topic>Earth and Environmental Science</topic><topic>Earth Sciences</topic><topic>Gases</topic><topic>Geophysics</topic><topic>Geophysics/Geodesy</topic><topic>Geotechnical Engineering & Applied Earth Sciences</topic><topic>Natural gas</topic><topic>Velocity</topic><toplevel>online_resources</toplevel><creatorcontrib>Zhang, Si-Hai</creatorcontrib><creatorcontrib>Li, Xiang-Yang</creatorcontrib><creatorcontrib>Dai, Heng-Chang</creatorcontrib><collection>CrossRef</collection><collection>ProQuest Central (Corporate)</collection><collection>Meteorological & Geoastrophysical Abstracts</collection><collection>Water Resources Abstracts</collection><collection>ProQuest Central (purchase pre-March 2016)</collection><collection>Science Database (Alumni Edition)</collection><collection>Technology Research Database</collection><collection>ProQuest SciTech Collection</collection><collection>ProQuest Technology Collection</collection><collection>ProQuest Central (Alumni) (purchase pre-March 2016)</collection><collection>ProQuest Central (Alumni Edition)</collection><collection>ProQuest Central UK/Ireland</collection><collection>Advanced Technologies & Aerospace Collection</collection><collection>ProQuest Central Essentials</collection><collection>ProQuest Central</collection><collection>Technology Collection</collection><collection>Natural Science Collection</collection><collection>Earth, Atmospheric & Aquatic Science Collection</collection><collection>Environmental Sciences and Pollution Management</collection><collection>ProQuest One Community College</collection><collection>ProQuest Central Korea</collection><collection>ASFA: Aquatic Sciences and Fisheries Abstracts</collection><collection>ProQuest Central Student</collection><collection>Aerospace Database</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 2: Ocean Technology, Policy & Non-Living Resources</collection><collection>SciTech Premium Collection</collection><collection>Meteorological & Geoastrophysical Abstracts - Academic</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Professional</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>Science Database</collection><collection>Advanced Technologies & Aerospace Database</collection><collection>ProQuest Advanced Technologies & Aerospace Collection</collection><collection>Earth, Atmospheric & Aquatic Science Database</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>ProQuest Central Basic</collection><collection>Wanfang Data Journals - Hong Kong</collection><collection>WANFANG Data Centre</collection><collection>Wanfang Data Journals</collection><collection>万方数据期刊 - 香港版</collection><collection>China Online Journals (COJ)</collection><collection>China Online Journals (COJ)</collection><jtitle>Applied geophysics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Zhang, Si-Hai</au><au>Li, Xiang-Yang</au><au>Dai, Heng-Chang</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Converted-wave diodic moveout and application in the land gas cloud area</atitle><jtitle>Applied geophysics</jtitle><stitle>Appl. Geophys</stitle><date>2011-09-01</date><risdate>2011</risdate><volume>8</volume><issue>3</issue><spage>171</spage><epage>180</epage><pages>171-180</pages><issn>1672-7975</issn><eissn>1993-0658</eissn><abstract>PS converted-waves (C-waves) have been commonly used to image through gas clouds but the C-wave imaging may also be degraded by the diodic effect introduced by the gas cloud. It may be compensated for using a velocity perturbation method which decouples the diodic moveout into two parts: the base velocity and the velocity perturbation. Gas clouds are widely distributed in the Sanhu area in the Qaidam basin of northwest China which is rich in natural gas. A land 2D3C seismic dataset is analyzed from the Sanhu area and significant diodic effects are observed in the data which harm the C-wave imaging. The diodic correction is applied to this data and the resultant C-wave imaging and the details of the reservoir structure are significantly improved. The diodic moveout plays an important role in working out the residual shear wave statics and the association of diodic correction and shear wave residual statics computation is a key step of C-wave high fidelity imaging in the gas cloud area. Finally, the new process workflow with diodic moveout is given.</abstract><cop>Heidelberg</cop><pub>Chinese Geophysical Society</pub><doi>10.1007/s11770-011-0291-3</doi><tpages>10</tpages></addata></record> |
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| source | SpringerNature Journals; Alma/SFX Local Collection |
| subjects | Earth and Environmental Science Earth Sciences Gases Geophysics Geophysics/Geodesy Geotechnical Engineering & Applied Earth Sciences Natural gas Velocity |
| title | Converted-wave diodic moveout and application in the land gas cloud area |
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