Amplitude-versus-angle (AVA) inversion for pre-stack seismic data is a key technology in oil and gas reservoir prediction. Conventional AVA contains two main stages. Stage one estimates the relative change rates of P-wave velocity, S-wave velocity density, stage obtains density based on their through trace integration. An alternative way merges these stages to estimate directly. This less sensi...

geological conditions of tabriz, a growing city in nw-iran, are strongly influenced by north tabriz fault (ntf). north tabriz fault is a major seismogenic fault in nw-iran. so, for a correct seismic microzonation, shear wave velocity (vs) structure in different part of city should be determined. but urban conditions, such as ambient noise due to cultural activity, restrict the general applicati...

The upper lithospheric structure from the Pilbara Craton, across the Capricorn Orogen, to the northern Yilgarn Craton is determined from high-fidelity broadband seismic data. Three-component temporary stations were deployed in a line running southwards from Marble Bar, Western Australia, at approximately 118 E longitude. They were in position between July and October 2000. Receiver functions ar...

The subduction of the Philippine Sea (PHS) Plate toward the north of Izu peninsula, Japan, is of great interest because intraslab seismicity is absent where the buoyant Izu volcanic arc has been subducting over the past 15 Myr. This study analyzes 42 earthquakes in an isolated seismic cluster that occurred ~ 100 km north of Izu peninsula at depths of 40–90 km and discusses seismogenesis in the ...

3D post-stack time migrated seismic data and a suite of composite well log from six wells drilled within the “AFUN” field Niger delta were used to effect detailed interpretation field. This was with view delineating architectural elements that control reservoir quality deepwater turbidite reservoir. The analyses done using Petrel software. LAS file logs imported into software as SEG.Y. data. Fa...

Source scaling relations have been obtained for earthquakes in eastern North America and other co'ntinental interiors, and compared with a relation obtained for earthquakes in western North America. The scaling relation for eastern North American earthquakes was constructed from measurements of seismic moment and source duration obtained by the waveform modeling of seismic body waves. The event...

Subsurface characterization activities undertaken in collaboration with the Southwest Regional Carbon Sequestration Partnership on their San Juan Basin pilot test include acquisition of geophysical logs, time lapse VSP and analysis of 3D seismic data from the site. The project is funded by the U.S. Department of Energy and is managed by the National Energy Technology Laboratory.CO2 injection be...

Numerical modeling studies have a widespread application in exploration seismology order to understand the seismic reflection responses of hydrocarbon traps formed relation tectonic structure, lithological changes and unconformities complex geological environments develop effective data processing strategies. In this study, two important trap models (Granite Wash Normal Fault Trap) was performe...

S U M M A R Y In order to study fine scale structure of the Earth’s deep interior, it is necessary to extract generally weak body wave phases from seismograms that interact with various discontinuities and heterogeneities. The recent deployment of large-scale dense arrays providing high-quality data, in combination with efficient seismic data processing techniques, may provide important and acc...