Reveal The Velocity Anomalies in Complex Overburden and Enhanced The Imaging through Shallow Gas: A Case Study in SisiNubi Mahakam, Indonesia

Annas Astuti, Yohanes Kristomo, Bee Jik Lim, Ginanjar Satria, Natalia Anggriani

Indonesian Petroleum Association

...), the conventional reflection tomography workflow utilized in the legacy reprocessing workflow did not adequately resolve the complexities of the shallow...

Abstract: Applying of high-technology algorithms for high-quality seismic and velocity products: Nile Delta, offshore Egypt; #90254 (2016)

Mahmoud M. Abu Shabana, Abdallah Ibrahim

Search and Discovery.com

... Inversion followed by reflection tomography to update the velocity model then depth migration using both Kirchhoff pre stack depth migration (KPSDM...

Abstract: Revealing the True Subsurface Image of Nile Delta, Offshore Egypt; #90255 (2017)

Mahmoud Shabana

Search and Discovery.com

... sequence including seismic preconditioning, Full Wave Inversion followed by reflection tomography to update the velocity model then depth migration using...

Abstract: Case Studies: Full-waveform Inversion and FWI Imaging for Land Data; #91204 (2023)

Cristina Reta-Tang, James Sheng, Faqi Liu, Alfredo Cantu, Alejandro Vargas

Search and Discovery.com

...-consistent results for data acquired with limited offsets. The workflow includes the following steps: a) Refraction tomography to build the near surface...

CRS-Stack and NIP-Wave Tomography Implemented to the SH-Wave Reflection Seismic Data for Shallow Hydrocarbon Prospecting (Paper P30)

M. R. Sule, A. A. Valencia, A. Hendriyana, U. Polom, C. M. Krawczyk

Geological Society of Malaysia (GSM)

...CRS-Stack and NIP-Wave Tomography Implemented to the SH-Wave Reflection Seismic Data for Shallow Hydrocarbon Prospecting (Paper P30) M. R. Sule...

Revealing the discontinuities by 3D prestack diffraction separation and imaging

Chuangjian Li, Suping Peng, Xiaoqin Cui, Peng Lin

International Meeting for Applied Geoscience and Energy (IMAGE)

... the homeomorphic imaging common shot point approximation, Khaidukov et al. (2004) estimated the reflection traveltime and focused reflections on the imaginary...

The use of FWI in coal exploration

Mehdi Asgharzadeh, Maryam Bahri, Milovan Urosevic

Petroleum Exploration Society of Australia (PESA)

..., R., Gao, F., Zelt, C., and Levander, A., 2002, The limits and complementary nature of traveltime and waveform tomography: International Conference...

Abstract: Case Study- High Resolution Velocity Model Building to Improve Carbonate Reefs Image in Tz Area; #91204 (2023)

Hongjun Zhang, Yang Chen, Zhengzheng Zhou, Xiang Li, Hotma Yusuf, Haryono Haryanto, Farid Dasa Marianto

Search and Discovery.com

... are carried out by the initial velocity model, i.e. 2nd updated depth interval velocity model from reflection grid tomography, on selected small number...

Crustal Seismic Investigation of the Southern Rio Grande Rift, by M.Averill, K.C. Miller, S.Harder, #90025 (2004)

Search and Discovery.com

Enhance near-surface velocity tomogram using land-streamer data

Sherif M. Hanafy

International Meeting for Applied Geoscience and Energy (IMAGE)

... at the top 20 meters by inverting the traveltime picks from both conventional and land-streamer surveys simultaneously, which keeps the advantages of both...

ABSTRACT: Tectonic Structure of the Tuscany-Latium Continental Shelf (Tyrrhenian Sea), by Roberto Bartole; #91032 (2010)

Search and Discovery.com

Abstract: Prestack Signal Enhancement by Non-hyperbolic MultiFocusing; #90187 (2014)

Evgeny Landa, Alex Berkovitch, and Kostya Deev

Search and Discovery.com

... for traveltime stacking surface description is used. It allows accurately approximate traveltimes of seismic events in the vicinity of arbitrary offset. We present...

A Preliminary Study on the Late Cenozoic Structural Characteristics of Arakan Fold Belt, Bay of Bengal; #50829 (2013)

Tang Pengcheng, Lü Fuliang, Fan Guozhang, Shao Dali, Wang Xuefeng, Sun Hui, and Li Li

Search and Discovery.com

... reflection profiles are used to study the late Cenozoic structural characteristics of the Arakan fold belt, focusing on the development characteristics...

Integrated Seismic Processing Challenges in Karstified Terrain of Papua New Guinea Fold Belt, #42521 (2020).

Subhash Chandra, Michael Szczepaniak, Patrick Haltmeier,

Search and Discovery.com

... reflection energy apparent. Many experimental surveys have been performed since the late 1980’s using different parameters, techniques and hardware...

Near-surface modeling by surface wave tomography inversion in oil and gas exploration

Wen Peng, Le Li, Zhonglin Cao, Guangying Wang, Pengfei Duan, Heng Zhang

International Meeting for Applied Geoscience and Energy (IMAGE)

...-surface modeling by surface wave tomography in oil and gas exploration S-wave reflection). Figures 5 and 6 compare the converted wave brute stack sections...

9C data acquisition for near-surface imaging in a quick-clay landslide-prone site in SW Sweden

Tatiana Pertuz, Alireza Malehmir

International Meeting for Applied Geoscience and Energy (IMAGE)

... the extremely slow shear-wave velocity in the area (ca. 60-120 m/s), reflection seismic studies benefiting the shear component of the seismic wavefield...

Equivalent reflection coefficient and AVO characteristics of the thin bed

Zhengyang Kuai, Danping Cao, Chao Jin

International Meeting for Applied Geoscience and Energy (IMAGE)

... coefficient, which has a minimum value at the trace about 30° Also the traveltime of . AVO response with different reflection coefficients is nearly...

Geophysical characterization of a nonaqueous-phase liquidcontaminated site

Alberto Godio, Alessandro Arato, Stefano Stocco

Environmental Geosciences (DEG)

...-Poulter, 1996, Flow pathways in porous media: Electrical resistance tomography and dye staining image verification: Measurement Science and Technology...

Seeing through the shear zone for the first time: The impact of seismic technologies on the clarity of seismic image over Bahrah field

Ali Mohamed, Adel El-Emam, Nacim Brika, Halis Bayri, Amr Issa, Kashif Adeel

International Meeting for Applied Geoscience and Energy (IMAGE)

.... These include survey matching, multiple attenuation, anisotropic model building and multiazimuth reflection common-image point (CIP) tomography workflows...

Seismic Data Processing for Amplitude-Versus-Offset Analysis, by Jeffrey R. Resnick; #91024 (1989)

Search and Discovery.com

Basic Seismic Processing: Part 7. Geophysical Methods

Peter M. Duncan

AAPG Special Volumes

... related to shot and receiver positions on the surface of the earth, an elapsed time after the shot that originated the reflection or echo (traveltime...

Crosswell Seismic: Review of Field Operations, Survey Planning and Case History

Jeff Meyer, Randy Evans, Robert Martin, Cynthia L. Welch

West Texas Geological Society

.... It should be noted that this particular project inspired development of crosswell reflection tomography that allows for velocity derivation in areas where TD...

Rock Physics Guided Velocity Modeling and Reverse-Time Migration for Pore Pressure Prediction and Depth Imaging in Complex Areas

Nader C. Duta, Sherman Yang, Yangjun (Kevin) Liu, Lawrence Cho, Jie Cui

Indonesian Petroleum Association

... direction, that underwent conventional reflection tomography workflow. In Figure 5c, we show the results from using the current workflow. The new image...

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user1

Search and Discovery.com

... through pre-stack depth migration are also not sufficiently distinct for reflection tomography, which is a primary method for updating the velocity...

Tomography Techniques Applied to Near Surface Velocity Models in Complex Areas of Colombia

Jorge Monsegny, Saúl Guevara

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

.... (2000). “Crustal structure of the southeast Greenland from joint refraction and reflection seismic tomography”. Journal of Geophysical Research. 105...