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In geophysics and reflection seismology, amplitude versus offset (AVO) or amplitude variation with offset is the general term for referring to the dependency of the seismic attribute, amplitude, with the distance between the source and receiver (the offset). AVO analysis is a technique that geophysicists can execute on seismic data to determine a rock's fluid content, porosity, density or seismic velocity, shear wave information, fluid indicators (hydrocarbon indications).

Attributes	Values
rdfs:label	Amplitude versus offset (en) 振幅随偏移距的变化 (zh)
rdfs:comment	振幅随偏移距的变化（英語：amplitude versus offset AVO）在地球物理學和反射地震學中，AVO是指振幅與偏移距（震源和檢波器之間的距離）之間的變化。 AVO 的分析能提供岩石的流體含量、孔隙度、密度或地震速度、剪切波信息、流體指標（烴指示）的信息。現代多頻道地震反射勘測的採集方式是對地下的同一點進行多次採樣，每次地震反射波的信號具有不同的偏移距或入射角。在處理地震數據時，需要保留地震反射波的振幅，並找出同一反射点道，但不同偏移距的反射波，組成共反射点道集（英語：common depth point gather，按偏移量增加的順序排序。執行振幅分析。 AVO的增加通常對高孔隙率、低密度含氣沉積物尤為明顯，例如針對在墨西哥灣、西非和其他主要三角洲的的晚第三紀濁積砂岩，大多數主要公司通常使用 AVO 技術來降低勘探的風險。但由于地震数据的分辨率有限，AVO 技术也就有它的局限性。 (zh) In geophysics and reflection seismology, amplitude versus offset (AVO) or amplitude variation with offset is the general term for referring to the dependency of the seismic attribute, amplitude, with the distance between the source and receiver (the offset). AVO analysis is a technique that geophysicists can execute on seismic data to determine a rock's fluid content, porosity, density or seismic velocity, shear wave information, fluid indicators (hydrocarbon indications). (en)
foaf:depiction
dcterms:subject	Petroleum geology Seismology measurement
Wikipage page ID	1919954 (xsd:integer)
Wikipage revision ID	1095812191 (xsd:integer)
Link from a Wikipage to another Wikipage	Normal incidence Hydrocarbon Reflection (physics) Refraction Seismic wave Geophysics Cross-plot Poisson's ratio Density Amplitude Angle of incidence (optics) River delta Reflection coefficient Reflection seismology Gulf of Mexico Petroleum geology Acoustic impedance Seismology measurement Karl Bernhard Zoeppritz Turbidite Porosity Seismic attribute Zoeppritz equations P-waves S-waves Oil exploration Karl Zoeppritz Geophysicists
Link from a Wikipage to an external page	http://sepwww.stanford.edu/public/docs/sep73/carlos2/paper_html/node5.html
sameAs	Amplitude versus offset Amplitude versus offset Amplitude versus offset Amplitude versus offset
dbp:wikiPageUsesTemplate	dbt:Main dbt:Reflist dbt:Use_dmy_dates
thumbnail	wiki-commons:Special:FilePath/Layout_of_a_Seismic_Survey.png?width=300
has abstract	In geophysics and reflection seismology, amplitude versus offset (AVO) or amplitude variation with offset is the general term for referring to the dependency of the seismic attribute, amplitude, with the distance between the source and receiver (the offset). AVO analysis is a technique that geophysicists can execute on seismic data to determine a rock's fluid content, porosity, density or seismic velocity, shear wave information, fluid indicators (hydrocarbon indications). The phenomenon is based on the relationship between the reflection coefficient and the angle of incidence and has been understood since the early 20th century when Karl Zoeppritz wrote down the Zoeppritz equations. Due to its physical origin, AVO can also be known as amplitude versus angle (AVA), but AVO is the more commonly used term because the offset is what a geophysicist can vary in order to change the angle of incidence. (See diagram) (en) 振幅随偏移距的变化（英語：amplitude versus offset AVO）在地球物理學和反射地震學中，AVO是指振幅與偏移距（震源和檢波器之間的距離）之間的變化。 AVO 的分析能提供岩石的流體含量、孔隙度、密度或地震速度、剪切波信息、流體指標（烴指示）的信息。現代多頻道地震反射勘測的採集方式是對地下的同一點進行多次採樣，每次地震反射波的信號具有不同的偏移距或入射角。在處理地震數據時，需要保留地震反射波的振幅，並找出同一反射点道，但不同偏移距的反射波，組成共反射点道集（英語：common depth point gather，按偏移量增加的順序排序。執行振幅分析。 AVO的增加通常對高孔隙率、低密度含氣沉積物尤為明顯，例如針對在墨西哥灣、西非和其他主要三角洲的的晚第三紀濁積砂岩，大多數主要公司通常使用 AVO 技術來降低勘探的風險。但由于地震数据的分辨率有限，AVO 技术也就有它的局限性。 (zh)
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page length (characters) of wiki page	10524 (xsd:nonNegativeInteger)
foaf:isPrimaryTopicOf	wikipedia-en:Amplitude_versus_offset
is Link from a Wikipage to another Wikipage of	AVO List of abbreviations in oil and gas exploration and production Reinhard Bortfeld Seismic inversion Offset Converted-wave analysis Cross-plot Amplitude Versus Offset Anelastic attenuation factor Reflection seismology Heavy oil production Hydrocarbon indicator Karl Bernhard Zoeppritz Seismic attribute Zoeppritz equations Amplitude Variation with Offset Amplitude variation with offset
is Wikipage redirect of	Amplitude Versus Offset Amplitude Variation with Offset Amplitude variation with offset
is Wikipage disambiguates of	AVO Offset
is foaf:primaryTopic of	wikipedia-en:Amplitude_versus_offset

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