Download PDF by M. Bacon: 3-D Seismic Interpretation

By M. Bacon

ISBN-10: 0521792037

ISBN-13: 9780521792035

This e-book introduces geophysicists and geologists to the means of analyzing 3D seismic info. the subjects it covers contain simple structural interpretation and map-making; using three-D visualization equipment; interpretation of seismic amplitudes; the iteration and use of AVO and acoustic impedance datasets; and time-lapse seismic mapping. Written via expert geophysicists with decades of operating adventure within the oil undefined, the ebook could be essential for graduate scholars, researchers, and new entrants into the petroleum undefined.

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Extra resources for 3-D Seismic Interpretation

Example text

Therefore,pre-stack 49 -r 3-Ddataprocessing Fig, 2,34 Examination of CMP gathersduring an iteration of pre-stackdepth migration. pre-stack depth migration is requiredin arcasof complex lateral velocity variation. In order to apply pre-stackdepth migration one needsto supply the corect velocity-depth model. This is generally not known and so is built in an iterative fashion during the pre-stackmigration. Here we seegathersdudng a pre-stackmigration iteration. Some of the eventsare flat, indicating that the correct model has beendetemined.

Todayit is extremelyrarefor 3-D migrationto be performedas two 2-D migratlons. The migrationapproachoutlinedrn frg. 21 is a hybrid pre-stacktime migmtion comesfrom an areawith approachandcoversstepsl5 to 28. Therefore,pre-stack 49 -r 3-Ddataprocessing Fig, 2,34 Examination of CMP gathersduring an iteration of pre-stackdepth migration. pre-stack depth migration is requiredin arcasof complex lateral velocity variation. In order to apply pre-stackdepth migration one needsto supply the corect velocity-depth model.

F Acoustic Energvby WaveField Extrapolation. B. Elsevier Scientific publishing. Amsterdam. D e r e g o u s kSi .. M . W h a li , D M O : F i r r rB n a L . 4 t J | / l y t . p p j. 24. Evans,B. J. A Handbook For SeismicData AcquisitionIn Explofarlor?. SocietyofExploration Geophysicists,GeophysicalMonograph SeriesNo. 7. Garotta,R. ln,mAcquisition to Interpret(tion Society ofExploration ceophysi_ cists, DistinguishedInstructor Series,No. 3. society ofExploration Geophysicists, course Notes series No.

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3-D Seismic Interpretation by M. Bacon


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