Fit for Purpose Time Lapse Seismic at F6 (Geophysics Paper 23)

Elvis Chung, Paul Hague

Geological Society of Malaysia (GSM)

... Kirchhoff 3D time migration volumes of the base and monitor were subsequently used to generate the final time-shift volumes and difference cube (base...

Abstract: Efficient Broadband Marine Acquisition and Processing for Improved Resolution and Deep Imaging; #90172 (2014)

Ed Kragh, Tim Brice, Tony Curtis, Josef Heim, Deepak Kapadia, Morten Svendsen

Search and Discovery.com

... representative inline images from the processed 3D migrated volume. A Kirchhoff pre-stack time migration was used. The left panel is the shallow...

PSDM Enhances Reef Interpretation in Jatiluhur Block, West Java

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

Indonesian Petroleum Association

...) showing the updated depths and velocity after tomography inversion. Kirchhoff Pre-Stack Depth Migration The initial velocity model generated from...

Imaging below Seafloor Canyons and other Rugose Features

Dominic Fell, Kiran Dyal, Tony Hallam, Sebastian Nixon

Australian Petroleum Production & Exploration Association (APPEA) Journal

... isotropic Kirchhoff prestack depth migration. Imaging below seafloor canyons The APPEA Journal 731 (a) (b) Fig. 3. Comparisons between the (a) legacy...

3-D Tomographic Amplitude Inversion for Compensating Transmission Losses in the Overburden

Barry Hung, Kefeng Xin, Sergey Birdus, James Sun

Indonesian Petroleum Association

...., Hung B., 2002, Amplitude Preserving v(z) Prestack Kirchhoff Migration, Demigration and Modeling: 64th Meeting, EAGE, B011. Taner M. and Koehler F...

Data processing experience with PP and PS imaging on SB-DAS: A North Sea case study

R. Bachrach, M. Wilk-Lopes, D. Brager, S. Sonika, C. Thorgersen, E.B. Raknes, Y. Ivanov

International Meeting for Applied Geoscience and Energy (IMAGE)

..., using Kirchhoff depth migration (KDM), with and without the wavefield separation step, to enable comparison. Figure 2. (a) A shot gather before...

Calibrating FWI image amplitudes: Insights from deepwater GoM

Lennon Infante-Paez, Nayyer Islam

International Meeting for Applied Geoscience and Energy (IMAGE)

... diving waves, multiples, and reflection waves (Wang et al., 2021). Whereas standard migration algorithms, such as Kirchhoff migration, one-way migration...

Delineating Thin-Bed Tight Gas Sand Reservoir with Prestack Joint PP/PS Inversion, #41363 (2014)

Zhiwen Deng, Ming Qiang, Shuanghu Shi, Xiaofeng Liang, Yang Zhu, Yijun Zhou, Qingjia Tong

Search and Discovery.com

.... This procedure estimates a prestack migration velocity field. Figure 1 shows the PP and PS wave sections by Kirchhoff prestack time migration, which...

Kraken 3D„Acquisition to Interpretation on the Edge of the Browse

Jarrod Dunne

Petroleum Exploration Society of Australia (PESA)

... a Kirchhoff TTI anisotropic migration was performed using the velocity model from the 5th iteration. Some careful post-processing was also applied...

Operator chains and seismic data decomposition

Sergey Fomel

International Meeting for Applied Geoscience and Energy (IMAGE)

... inversion theory both for Kirchhoff-style imaging (Fomel, 2003) and reversetime migration (Hou and Symes, 2016) suggests approximating the inverse Hessian...

Abstract: To TTI or not to TTI? Semi-Automated 3D Tomographic Velocity Analysis in the Canadian Foothills: A Case History; #90211 (2015)

Sylvestre Charles, David Mitchell, Rob Holt, Jiwu Lin, and John Mathewson

Search and Discovery.com

... tracing based traveltime table generation of the Kirchhoff migration. Smoothing of the velocity model is usually performed to reduce these instabilities...

Potential of FWI imaging for shallow turbidite shadow zone: A case study

Swarup Sarkar, James Sheng, Faqi Liu, Daniel Davies, Roy Ha

International Meeting for Applied Geoscience and Energy (IMAGE)

... 60Hz Kirchhoff PSDM (Figure 3). The corresponding FWI imaging much better delineates the complex geobody itself and the structures in the shadow zone...

Abstract: Challenges for Seismic Imaging Using Explicit Wavefield Extrapolation, by Saleh Alsaleh; #90077 (2008)

Search and Discovery.com

ABSTRACT: Seismic Technology Evolution to Support Prospect Evaluation, Exploration Well, and Geological Appraisal, by Brewton, James; Quist, Yan; #90155 (2012)

Search and Discovery.com

Abstract: Application of 3D Diffracted Wave’s Analysis to Improve Imaging in Poor Signal/Noise Conditions, by F. Alonaizi, R. Pevzner, K. Tertyshnikov, A. Bona, and B. Gurevich, #90188 (2014)

Search and Discovery.com

Full Waveform Inversion: Early Start of Model Building Process to Resolve the Complex near Surface Model in the Exmouth Sub-Basin, North West Shelf Australia

Lianping Zhang, Haryo Trihutomo, Yuelian Gong, BeeJik Lim, Alexander Karvelas

Australian Petroleum Production & Exploration Association (APPEA) Journal

... Final migration CIP Tomography Model preparation for CIP Tomography CIP Tomography update 01 Frequency band 01 update Adjustive FWI CIP Tomography...

What do acoustic FWI derived amplitudes mean in terms of elastic properties?

Dhananjay Kumar, Ana Garcia-Ceballos, Joe Dierkhising, Abigail Maxwell, Akkel Paul

International Meeting for Applied Geoscience and Energy (IMAGE)

... et al., 2013). Recently, the seismic data has been reprocessed including the acoustic FWI based velocity model building for Kirchhoff pre-stack depth...

Metal Earth: Role of multidisciplinary geophysical methods to improve knowledge of mineral deposition across Precambrian rocks

Esmaeil Eshaghi, Richard Smith, Mostafa Naghizadeh, Graham James Hill, Eric Roots, Amir Maleki Ghahfarokhi, Saeid Cheraghi, John Ayer

Petroleum Exploration Society of Australia (PESA)

... migrated using the pre-stack Kirchhoff time migration (PSTM) algorithm. Overall, the processing workflow for Metal Earth seismic data was focused...

A recipe for practical iterative LSRTM with synthetic and real data examples from Brazil

Valeriy Brytik, Gopal Palacharla, Rishi Bansal, Diwi Snyder, Xu Li, Young Ho Cha, Partha Routh, Inma Dura-Gomez, Dmitriy Pavlov, Carey Marcinkovich

International Meeting for Applied Geoscience and Energy (IMAGE)

...; in some cases it could be even WEM or Kirchhoff migration) to get 𝑚0 = 𝐹1𝑇 𝑑. De-migrate the image with Born-based demigration with controlled AVA...

Unconventional Reservoir Characterization Using Azimuthal Seismic Diffraction Imaging

Dmitrii Merzlikin, Sergey Fomel, Xinming Wu, Mason Phillips

Unconventional Resources Technology Conference (URTEC)

...., 2007; Reshef and Landa, 2009; Klokov and Fomel, 2012); and 3) modification of Kirchhoff migration kernel to eliminate specular energy coming from...

North Belut 3D Seismic Processing Experience: The First High-Resolution High-Density Q-Marine Survey Conducted in Indonesia

Andreas T. Waluyo, Michael I. Challis

Indonesian Petroleum Association

... Median provided a better solution for imaging (Figure 2c). Further processing steps included fold regularization, Kirchhoff Pre-stack Time Migration...

Integrating legacy data with new towed-streamer acquisition tuned for imaging objectives: A Campos Basin case study

Jon Burren, Derek Unger

International Meeting for Applied Geoscience and Energy (IMAGE)

... driven updates to the velocity model. Well Calibration Final Assessment The dataset was imaged using a TTI Kirchhoff Pre-Stack Depth Migration (KPSDM...

Reinvigorating exploration in the Nile Delta and East Mediterranean, Egypt

Gebril Saleh, Amr Talaat, Karim Ali, Ramy Eid, Sugandha Tewari, Hosny Diab, Mohamed Radwan, Mohamed Helal

International Meeting for Applied Geoscience and Energy (IMAGE)

... the final velocity model, regional depth volumes were generated using both pre-stack Kirchhoff depth migration (KDM) and reverse time migration (RTM...

Development of Vertical Cable Seismic System

Eiichi Asakawa, Fumitoshi Murakami, Yoshihiro Sekino, Taku Okamoto

Indonesian Petroleum Association

... in vertical cable seismic, 61st EAGE meeting, Expanded Abstracts, P6-08. Wang, H., and Li, X.-Y. , 2001, S Application of prestack kirchhoff migration...

Fast and efficient structure-oriented preconditioning with on-the-fly dip estimation

Rodrigo Felicio Fuck, Lorenzo Casasanta

International Meeting for Applied Geoscience and Energy (IMAGE)

...-based tomography example from a towed-streamer 3D seismic dataset from offshore NW Australia. In this case, the guide is the image obtained from Kirchhoff...