Inversion for seismic anisotropy using genetic algorithms
A general inversion scheme based on a genetic algorithm is developed to invert seismic observations for anisotropic parameters. The technique is applied to the inversion of shear-wave observations from two azimuthal VSP data sets from the Conoco test site in Oklahoma. Horizontal polarizations and ti...
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| Veröffentlicht in: | Geophysical Prospecting 1994-11, Vol.42 (8), p.953-974 |
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| container_title | Geophysical Prospecting |
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| creator | Horne, Steve MacBeth, Colin |
| description | A general inversion scheme based on a genetic algorithm is developed to invert seismic observations for anisotropic parameters. The technique is applied to the inversion of shear-wave observations from two azimuthal VSP data sets from the Conoco test site in Oklahoma. Horizontal polarizations and time-delays are inverted for hexagonal and orthorhombic symmetries. The model solutions are consistent with previous studies using trial and error matching of full waveform synthetics. The shear-wave splitting observations suggest the presence of a shear-wave line singularity and are consistent with a dipping fracture system which is known to exist at the test site. Application of the inversion scheme prior to full waveform modeling demonstrates that a considerable saving in time is possible while retaining the same degree of accuracy. |
| doi_str_mv | 10.1111/j.1365-2478.1994.tb00249.x |
| format | Article |
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The technique is applied to the inversion of shear-wave observations from two azimuthal VSP data sets from the Conoco test site in Oklahoma. Horizontal polarizations and time-delays are inverted for hexagonal and orthorhombic symmetries. The model solutions are consistent with previous studies using trial and error matching of full waveform synthetics. The shear-wave splitting observations suggest the presence of a shear-wave line singularity and are consistent with a dipping fracture system which is known to exist at the test site. Application of the inversion scheme prior to full waveform modeling demonstrates that a considerable saving in time is possible while retaining the same degree of accuracy.</description><identifier>ISSN: 0016-8025</identifier><identifier>EISSN: 1365-2478</identifier><identifier>DOI: 10.1111/j.1365-2478.1994.tb00249.x</identifier><identifier>CODEN: GPPRAR</identifier><language>eng</language><publisher>Oxford, UK: Blackwell Publishing Ltd</publisher><subject>02 PETROLEUM ; 03 NATURAL GAS ; 030200 -- Natural Gas-- Reserves, Geology, & Exploration ; 580000 -- Geosciences ; ALGORITHMS ; Applied geophysics ; Applied sciences ; Crude oil, natural gas and petroleum products ; DATA ANALYSIS ; DATA PROCESSING ; DEVELOPED COUNTRIES ; Earth sciences ; Earth, ocean, space ; Energy ; Exact sciences and technology ; Fuels ; GEOLOGIC DEPOSITS ; GEOLOGIC FRACTURES ; GEOLOGIC STRUCTURES ; Geophysical prospecting. Seismic methods and other methods. Exploration in boreholes. Well logging ; GEOPHYSICAL SURVEYS ; GEOSCIENCES ; INDUSTRY ; Internal geophysics ; MATHEMATICAL LOGIC ; NORTH AMERICA ; OKLAHOMA ; PETROLEUM INDUSTRY ; PROCESSING ; Prospecting and exploration ; Prospecting and production of crude oil, natural gas, oil shales and tar sands ; SEISMIC SURVEYS ; SURVEYS ; USA 020200 -- Petroleum-- Reserves, Geology, & Exploration</subject><ispartof>Geophysical Prospecting, 1994-11, Vol.42 (8), p.953-974</ispartof><rights>1995 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>230,314,776,780,881,27901,27902</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=3339378$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.osti.gov/biblio/6917998$$D View this record in Osti.gov$$Hfree_for_read</backlink></links><search><creatorcontrib>Horne, Steve</creatorcontrib><creatorcontrib>MacBeth, Colin</creatorcontrib><title>Inversion for seismic anisotropy using genetic algorithms</title><title>Geophysical Prospecting</title><description>A general inversion scheme based on a genetic algorithm is developed to invert seismic observations for anisotropic parameters. The technique is applied to the inversion of shear-wave observations from two azimuthal VSP data sets from the Conoco test site in Oklahoma. Horizontal polarizations and time-delays are inverted for hexagonal and orthorhombic symmetries. The model solutions are consistent with previous studies using trial and error matching of full waveform synthetics. The shear-wave splitting observations suggest the presence of a shear-wave line singularity and are consistent with a dipping fracture system which is known to exist at the test site. Application of the inversion scheme prior to full waveform modeling demonstrates that a considerable saving in time is possible while retaining the same degree of accuracy.</description><subject>02 PETROLEUM</subject><subject>03 NATURAL GAS</subject><subject>030200 -- Natural Gas-- Reserves, Geology, & Exploration</subject><subject>580000 -- Geosciences</subject><subject>ALGORITHMS</subject><subject>Applied geophysics</subject><subject>Applied sciences</subject><subject>Crude oil, natural gas and petroleum products</subject><subject>DATA ANALYSIS</subject><subject>DATA PROCESSING</subject><subject>DEVELOPED COUNTRIES</subject><subject>Earth sciences</subject><subject>Earth, ocean, space</subject><subject>Energy</subject><subject>Exact sciences and technology</subject><subject>Fuels</subject><subject>GEOLOGIC DEPOSITS</subject><subject>GEOLOGIC FRACTURES</subject><subject>GEOLOGIC STRUCTURES</subject><subject>Geophysical prospecting. Seismic methods and other methods. Exploration in boreholes. Well logging</subject><subject>GEOPHYSICAL SURVEYS</subject><subject>GEOSCIENCES</subject><subject>INDUSTRY</subject><subject>Internal geophysics</subject><subject>MATHEMATICAL LOGIC</subject><subject>NORTH AMERICA</subject><subject>OKLAHOMA</subject><subject>PETROLEUM INDUSTRY</subject><subject>PROCESSING</subject><subject>Prospecting and exploration</subject><subject>Prospecting and production of crude oil, natural gas, oil shales and tar sands</subject><subject>SEISMIC SURVEYS</subject><subject>SURVEYS</subject><subject>USA 020200 -- Petroleum-- Reserves, Geology, & Exploration</subject><issn>0016-8025</issn><issn>1365-2478</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1994</creationdate><recordtype>article</recordtype><recordid>eNo9jUFPAjEYRBujiYj-hw3xumu_bbttj4YooESN0XhsSreFInRJWw38eyEY5jKH9zKD0ABwBfvcLSsgDStrykUFUtIqzzCuqay2Z6h3QueohzE0pcA1u0RXKS0xJpgx2kNyEn5tTL4LhetikaxPa28KHXzqcuw2u-In-TAv5jbYfACreRd9XqzTNbpwepXszX_30efjw8dwXE5fR5Ph_bTUNce5hHqmGbRNq6kG3QrBnARB9_cA7QwT0pKGGic5WKt5DcJy5gTDIImTggLpo8Fxt0vZq2R8tmZhuhCsyaqRwKUUe-n2KG10Mnrlog7GJ7WJfq3jThFCJOEHrTxqPmW7PWEdv1XDCWfq62Wk8NPz25i-UzUmf8uEZuo</recordid><startdate>19941101</startdate><enddate>19941101</enddate><creator>Horne, Steve</creator><creator>MacBeth, Colin</creator><general>Blackwell Publishing Ltd</general><general>Blackwell</general><scope>BSCLL</scope><scope>IQODW</scope><scope>OTOTI</scope></search><sort><creationdate>19941101</creationdate><title>Inversion for seismic anisotropy using genetic algorithms</title><author>Horne, Steve ; MacBeth, Colin</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a270t-12ba51d6da4a1ad885f918430511db033d364cf971eea7218e75f850193f98413</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1994</creationdate><topic>02 PETROLEUM</topic><topic>03 NATURAL GAS</topic><topic>030200 -- Natural Gas-- Reserves, Geology, & Exploration</topic><topic>580000 -- Geosciences</topic><topic>ALGORITHMS</topic><topic>Applied geophysics</topic><topic>Applied sciences</topic><topic>Crude oil, natural gas and petroleum products</topic><topic>DATA ANALYSIS</topic><topic>DATA PROCESSING</topic><topic>DEVELOPED COUNTRIES</topic><topic>Earth sciences</topic><topic>Earth, ocean, space</topic><topic>Energy</topic><topic>Exact sciences and technology</topic><topic>Fuels</topic><topic>GEOLOGIC DEPOSITS</topic><topic>GEOLOGIC FRACTURES</topic><topic>GEOLOGIC STRUCTURES</topic><topic>Geophysical prospecting. Seismic methods and other methods. Exploration in boreholes. Well logging</topic><topic>GEOPHYSICAL SURVEYS</topic><topic>GEOSCIENCES</topic><topic>INDUSTRY</topic><topic>Internal geophysics</topic><topic>MATHEMATICAL LOGIC</topic><topic>NORTH AMERICA</topic><topic>OKLAHOMA</topic><topic>PETROLEUM INDUSTRY</topic><topic>PROCESSING</topic><topic>Prospecting and exploration</topic><topic>Prospecting and production of crude oil, natural gas, oil shales and tar sands</topic><topic>SEISMIC SURVEYS</topic><topic>SURVEYS</topic><topic>USA 020200 -- Petroleum-- Reserves, Geology, & Exploration</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Horne, Steve</creatorcontrib><creatorcontrib>MacBeth, Colin</creatorcontrib><collection>Istex</collection><collection>Pascal-Francis</collection><collection>OSTI.GOV</collection><jtitle>Geophysical Prospecting</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Horne, Steve</au><au>MacBeth, Colin</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Inversion for seismic anisotropy using genetic algorithms</atitle><jtitle>Geophysical Prospecting</jtitle><date>1994-11-01</date><risdate>1994</risdate><volume>42</volume><issue>8</issue><spage>953</spage><epage>974</epage><pages>953-974</pages><issn>0016-8025</issn><eissn>1365-2478</eissn><coden>GPPRAR</coden><abstract>A general inversion scheme based on a genetic algorithm is developed to invert seismic observations for anisotropic parameters. The technique is applied to the inversion of shear-wave observations from two azimuthal VSP data sets from the Conoco test site in Oklahoma. Horizontal polarizations and time-delays are inverted for hexagonal and orthorhombic symmetries. The model solutions are consistent with previous studies using trial and error matching of full waveform synthetics. The shear-wave splitting observations suggest the presence of a shear-wave line singularity and are consistent with a dipping fracture system which is known to exist at the test site. Application of the inversion scheme prior to full waveform modeling demonstrates that a considerable saving in time is possible while retaining the same degree of accuracy.</abstract><cop>Oxford, UK</cop><pub>Blackwell Publishing Ltd</pub><doi>10.1111/j.1365-2478.1994.tb00249.x</doi><tpages>22</tpages></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 0016-8025 |
| ispartof | Geophysical Prospecting, 1994-11, Vol.42 (8), p.953-974 |
| issn | 0016-8025 1365-2478 |
| language | eng |
| recordid | cdi_osti_scitechconnect_6917998 |
| source | Wiley Online Library Journals Frontfile Complete |
| subjects | 02 PETROLEUM 03 NATURAL GAS 030200 -- Natural Gas-- Reserves, Geology, & Exploration 580000 -- Geosciences ALGORITHMS Applied geophysics Applied sciences Crude oil, natural gas and petroleum products DATA ANALYSIS DATA PROCESSING DEVELOPED COUNTRIES Earth sciences Earth, ocean, space Energy Exact sciences and technology Fuels GEOLOGIC DEPOSITS GEOLOGIC FRACTURES GEOLOGIC STRUCTURES Geophysical prospecting. Seismic methods and other methods. Exploration in boreholes. Well logging GEOPHYSICAL SURVEYS GEOSCIENCES INDUSTRY Internal geophysics MATHEMATICAL LOGIC NORTH AMERICA OKLAHOMA PETROLEUM INDUSTRY PROCESSING Prospecting and exploration Prospecting and production of crude oil, natural gas, oil shales and tar sands SEISMIC SURVEYS SURVEYS USA 020200 -- Petroleum-- Reserves, Geology, & Exploration |
| title | Inversion for seismic anisotropy using genetic algorithms |
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