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The AAPG/Datapages Combined Publications Database

Showing 17,714 Results. Searched 200,691 documents.

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East Coast Canada: So How Difficult Could a 3D PreSDM Be?

Ali Karagül

Search and Discovery.com

... needed at VMB stage… 3D PreSDM To meet deadline commitments, our Velocity Model Building was started using the original, processed gathers while the data...

Unknown

First-Arrival Traveltime Inversion in the CMP Domain: Method and Application

Search and Discovery.com

... using velocity inversion from first-arrival traveltimes. The first approach is a tomographic method (e.g. Hampson and Russell, 1984; Stefani, 1995...

2013

Rapid Multiple-Scenario Depth Structure Risk Analysis Case Study in Cuulong Basin, Vietnam

Nguyen Nam, Hong Shien Lee

Indonesian Petroleum Association

... illustrates depth conversion using 3D velocity model that calibrates many sources including seismic velocities, time depth functions, well picks and surfaces...

2008

Abstract: Converted Wave Receiver Statics from First Break Mode Conversions; #90171 (2013)

Kristof De Meersman and Marcelo Roizman

Search and Discovery.com

... layer to the receiver. Synthetic Data Example We generated synthetic vertical and radial component gathers using the elastic 3-layer model in Figure 1...

2013

Abstract: Converted Wave Receiver Statics from First Break Mode Conversions; #90171 (2013)

Kristof De Meersman and Marcelo Roizman

Search and Discovery.com

... layer to the receiver. Synthetic Data Example We generated synthetic vertical and radial component gathers using the elastic 3-layer model in Figure 1...

2013

Abstract: Comparing Post-stack AVO Inversion to Prestack Inversion for Estimating Rock Properties; #90171 (2013)

Paul F. Anderson

Search and Discovery.com

... for the CMP gathers, the stacking velocity was used to perform a 1-D pseudo-depth conversion, which when used with the offset of the traces within...

2013

Abstract: Comparing Post-stack AVO Inversion to Prestack Inversion for Estimating Rock Properties; #90171 (2013)

Paul F. Anderson

Search and Discovery.com

... for the CMP gathers, the stacking velocity was used to perform a 1-D pseudo-depth conversion, which when used with the offset of the traces within...

2013

Abstract: Adaptive f-xy Hankel Matrix Rank Reduction Filter to Attenuate Coherent Noise; #90174 (2014)

Nirupama (Pam) Nagarajappa

Search and Discovery.com

... compared to reflection data, some noise types such as air blast or near surface reverberations have broader bandwidth and can be higher velocity than ground...

2014

Integrating advanced azimuthal tomography and FWI to improve complicated carbonate fracture-cavity reservoirs in ShunBei oil fields, Tarim Basin

Lanlan Yan, Jiashun Yao, Hao Zheng, Kai Guo, Yong Zhang, Feiluo Peng, Yan Wang

International Meeting for Applied Geoscience and Energy (IMAGE)

... inversion.Due to the lack of accurate velocity definitions for igneous rocks and intrusions (Figure 1(a)), the resulted reflection gathers existed...

2024

Combining high resolution modelling and one-way wave field extrapolation migration to image beneath a complex overburden: A case study from Porcupine Basin, Ireland

Partha Pratim Mandal, Weidi Koh, Julien Bluteau, David Laws, Jennifer Greenhalgh

Petroleum Exploration Society of Australia (PESA)

... modelling; specifically the fast generation of dense 3D CIGs (common image point gathers), high signal to noise, the ability to reject coherent & non...

2016

Seismic Reflections from a Lau Basin Magma Chamber

Janet L. Morton, Norman H. Sleep

Circum Pacific Council Publications

... gathers over flat, sediment-free seafloor, frequency equalizing the gather, and stacking a t the velocity of the water bottom reflection. C) Common...

1985

Synthetic Seismograms for PS Seismic Data; #41793 (2016)

Satinder Chopra, Ritesh Kumar Sharma

Search and Discovery.com

... geometry (common mid-point reflection). Synthetic seismograms are usually generated from well log data for identifying reflection events on stacked...

2016

Improving Marcellus Imaging Through the Use of FWI and Joint Tomographic Inversion for Velocity and Epsilon

David McCann

Unconventional Resources Technology Conference (URTEC)

... image gathers, CIGs, from a constant velocity model 10 URTeC 2878680 Figure 11 Common image gathers are 2 iterations of joint, velocity...

2018

Impact of full-wavefield inversion (FWI) based high-resolution model building and Q imaging on exploration and development at Guyana Stabroek

Fuxian Song, Patrick Monigle, Jia Yan, Vikas Gudipati, Xu Li, Sunwoong Lee, Sam Hemmings-Sykes, Ashlika Persaud, James Pape, Lee E Gilchriest, Amir Abdi, Emily Lalli, Anupama Venkataraman, Ramesh Neelamani, Steve Knapp, Krista Solvason

International Meeting for Applied Geoscience and Energy (IMAGE)

.../ultrafar angle stacks for Amplitude Variation with Offset/Direct Hydrocarbon Indicator (AVO/DHI) analysis. Integrated petrophysical inversion using...

2023

Cascaded Sweeps- A Method to Improve Vibroseis Acquisition Efficiency: A Field Test

M. Benabentos, F. Ortigosa, N. Moldoveanu, P. Munoz

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

... data with the vibroseis method is to use an array of vibrators centered on a vibrator point and to generate seismic energy with each vibrator using...

2006

PSDM Enhances Reef Interpretation in Jatiluhur Block, West Java

Jopie I. Adhidjaja, Andrew J. Davidoff, Ika Ratna Novianti

Indonesian Petroleum Association

... optimal imaging. Standard velocity analysis is too crude for the purpose and the assumption of hyperbolic moveout does not always apply. Recently, we have...

2002

Synthetic time-lapse FWI analysis for designing cross well seismic survey during CO2 injection in a depleted oil field

Toru Taira, Takuji Mouri, Ayato Kato, Yusaku Konishi, Takashi Akai, Shotaro Nakayama

International Meeting for Applied Geoscience and Energy (IMAGE)

...Synthetic time-lapse FWI analysis for designing cross well seismic survey during CO2 injection in a depleted oil field Toru Taira, Takuji Mouri...

2022

De-risking Appraisal Phase in the Recent Gas Discovery in Banggai-Sula Basin, Central Sulawesi: Application of AVO Analysis and Pre-stack Inversion in the Sub-ophiolite Reef Carbonate Play

Mufied Ahmad, Yudi Herdiana, Tika R. Pertiwi, Hendarsyah, Arie Naskawan

Indonesian Petroleum Association

... Analysis Rock Physics The first task to do before analyzing the amplitude trend with offset is creating 1D synthetic gathers using the available well...

2021

Mitigating elastic effects of acoustic full-waveform inversion with deep learning and application to field data

Dimitri Voytan, Adriano Gomes, Debanjan Datta, Ren-douard Plessix, Anu Chandran, Ken Matson

International Meeting for Applied Geoscience and Energy (IMAGE)

... the acoustic FWI using the same data in Figure 6a for comparison. Like the mitigation strategy, the velocity increase above top of salt is attenuated...

2022

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