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Li Jiang Xue Haijun Fu Bin Guo Dong Zhang Xianghui, . Research on requirement for offset of seismic data about coalbed methane AVO Inversion[J]. COAL SCIENCE AND TECHNOLOGY, 2016, (4).
Citation: Li Jiang Xue Haijun Fu Bin Guo Dong Zhang Xianghui, . Research on requirement for offset of seismic data about coalbed methane AVO Inversion[J]. COAL SCIENCE AND TECHNOLOGY, 2016, (4).

Research on requirement for offset of seismic data about coalbed methane AVO Inversion

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  • Available Online: April 02, 2023
  • Published Date: April 24, 2016
  • in order to study the requirement of the AVO Inversion to the offet distance of theseisnic information from the calbed metane explorationwith the for ward simulation as the study means .according to thedrlling and logging data and the seismic exploraion exlained achie vements a general aproprae geologcal madel of the cal bed methane reservoir was establis hed and with the elastic mocdulus approximate fomua ofthe zoepprizeEquations appi ,.the inciden angle grdcientof each coefficient was calculated.The forward sinmulation of the theoretcal model showed that when the A.V0 Inverston as aplied o thecalbt d methane sxplrton,a max ofiset distance of the seismic information should ensure the max refracion average angle cose to or equal tothe refraction average angle relevant to the reraction average angle gradient of the refecion c. icient.with the acual driling information appied to conduct the AvO Simuation.the resiulis showed thathe AV/O lmversion applied to the coal bed methane exploration, when the max ofoset distance of the seismic information cose toequal o lit e higher than the taget stratum depthcould refect the featuresof the amplitude with the ofiset varied and couldfully met the requrements of the Av/O Imversion to theofeset distance of the s ismic information from the coalbed methane exploration.
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