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Study on the Igneous Rock Seismic Facies in Yingmai 32 Blocks

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Document pages: 10 pages

Abstract: The western part of northTarim Uplift underwent multi-stage tectonic movement and multiple stages ofmagmatism. Igneous rocks are associated with carbonate and buried deep. The seismic response characteristics of igneous rocks are similar in manyrespects to the seismic response characteristics of karst, making theidentification and prediction of igneous rocks more difficult. This study compares the seismic reflection characteristics of igneous rocks.Set up three types of igneous rock seismic facies model penetration type,fracture type and central type. And it concluded thata time-slice, coherence analysis, analysis of the seismic properties of thelayers and the method of three-dimensional engraving to identify the igneousrocks. This method has been applied to the identification and prediction ofcarbonate rock buried and hill igneous rocks inthe north Tarim basin YingMaiLi region and has achieved good results.

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