Acquisition geometry design based on full-wavefield migration

Billy A. Revelo Obando, Gerrit Blacquire

International Meeting for Applied Geoscience and Energy (IMAGE)

... with a high-velocity perturbation embedded in the first layer. The velocity of the perturbation is 2500 m/s for the first model (Figure 2a) and 4000 m...

Geophysical Insights into Completions and Production Predictability for a Shale Gas Reservoir Using Fault Intensity and AVO Inversion

Carl Reine, Sean Lovric

Unconventional Resources Technology Conference (URTEC)

...). This natural fault network can have a significant impact on the effectiveness of the hydraulic fracturing and production of the reservoir. Prestack AVO...

Reservoir R factor estimation using 4D time-shifts induced by compaction at the Shearwater field, North Sea

Alejandro Jaramillo, Maria Mangriotis, Colin MacBeth

International Meeting for Applied Geoscience and Energy (IMAGE)

.../10.1190/tle34111366.1. Røste, T., A. Stovas, and M. Landrø, 2005, Estimation of layer thickness and velocity changes using 4D prestack seismic data: Geophysics...

Advances in Depth Imaging Technology: Rock Physics Guided Migration of Seismic Data in 3D

Nader C. Dutta, Sherman Yang, Jianchun Dai

Indonesian Petroleum Association

... window in depth). This deficiency applies to all depth imaging algorithms, be it Kirchhoff Prestack Depth migration (KPSDM), Gaussian Packet Beam...

A strategy for acoustic impedance direct inversion in depth domain

Ruiqian Cai, Chengyu Sun, Shizhong Li

International Meeting for Applied Geoscience and Energy (IMAGE)

.... Introduction Recently, the depth-domain seismic image produced by prestack depth migration, which reflects the subsurface structure directly and has...

Acoustic approximation VTI reverse-time migration using pseudo-depth mapping method

Xinwen Zhang, Jianping Huang, Zhenchun Li

International Meeting for Applied Geoscience and Energy (IMAGE)

... to deep layer data migration image, the calculation of RTM method is expensive. At the same time, the anisotropic complexity caused by factors...

Q tomography workflow: Land case study in the Eagle Ford Play

Itai Sharabi, Matan Shustak, Orly Kletenik-Edelman, Ronit Levy, Zvi Koren

International Meeting for Applied Geoscience and Energy (IMAGE)

... Q of 120. The updated Q model displays a horizontal layer shape structure with lateral variations due to a fault system (discussed in Figure 6). Q...

Overpressure in the Shelfal Area of the Lower Kutai Basin

Agus M. Ramdhan, Neil R. Goulty

Indonesian Petroleum Association

..., where smectite has been converted into mixed-layer I/S (80% illite, 20% smectite). Hence the mudrocks are in the chemical compaction regime, and must...

Seismic frequency-divided iterative inversion method based on river channel constraints and its application in fine description of composite channel sand bodies

Zhenglong Zhang, Hebing Tang, Ying Qie, Dehai Qin

International Meeting for Applied Geoscience and Energy (IMAGE)

...t of the river. Compared to the original seismic data, the new method improves thin layer identification accuracy, enhances river continuity, and refine...

Imaging challenges at Gulf of Papua (PNG) and their solutions through high-end imaging technology

Zongying Gong, Subhash Chandra, Xiaodong Wu, Yajing Li, Min Zhi, Michael Szczepaniak, Barry Hung

Petroleum Exploration Society of Australia (PESA)

... to linear tomography, it has multi-layer update capabilities and kinematic de-migration/re-migration functions, which provides more effective...

Upside down Rayleigh-Marchenko imaging: an application to the Volve ocean-bottom cable data

Ning Wang, Matteo Ravasi

International Meeting for Applied Geoscience and Energy (IMAGE)

...d by using a window constructed based on the water layer in the migration velocity model. Finally, we note that whilst the theory requires dipol...

Seismic impedance estimation from poststack seismic data using quantum computing

Divakar Vashisth, Rodney Lessard

International Meeting for Applied Geoscience and Energy (IMAGE)

... with a low-impedance layer (example-2), a 6-layered model with increasing impedance with depth (example-3), and examples 4 and 5, which correspond...

A method for inverting the brittleness index in transversely isotropic formations based on the exact reflection coefficient equation

QiYu Yang, Jingye Li, Jinming Cui, Yongping Wang, Yuning Zhang

International Meeting for Applied Geoscience and Energy (IMAGE)

... to the lower layer is:  0   0 M  = ( c112)  0     0  0 − 0 − l( 2) ( c112) ( 2) m23 ( c112) 0 ( n2) ( c112) 0 ( 2...

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

David McCann

Unconventional Resources Technology Conference (URTEC)

... and zones of disruption near the surface. Pre-Stack Depth Migration Prestack depth migration (PSDM) has been used to gain a better understanding...

An Incised Valley Filled System on a Ngimbang Limestone Sequence at JS-1 Ridge, Offshore East Java Basin, Indonesia

Anom Prasetya, Sidiq Romi, Andri Yumansa, Riza Agustiana, Mukhlis Setiawan, Ikhwan Maulana Harun

Indonesian Petroleum Association

... ups” beneath the high – low velocity variations. However, a new 3D PreStack Depth Migration was reprocessed in 2015 to obtain a more accurate image...

P-S Converted Wave AVO Analysis for Reservoir Characterization

Ehsan Sadeghi, Cepi Adam, Effendy Siawira, Hilfan Khairy

Indonesian Petroleum Association

.... However, despite the significant processing effort and advanced processing algorithms such as the prestack depth migration in 2010, major structural...

Pre-Stack Inversion to Seismic Rock Type Predictability (SRT) Case Study: Gabus Zone 3B in Belanak Field

Baskoro Arif Kurniawan, Maria Fransisca Meirita, Aguslianto Efendy Harahap, Haniva Navilova, Willy Gunary Abadi

Indonesian Petroleum Association

... the offset domain into the incident angle domain. This step is necessary for PreStack Inversion process, as the inversion only works on angle gathers...

Geophysical Evidence for Thin-Skinned Structural Deformation in the Norman Range, Northwest Territories

DON C. Lawton, J. Helen Isaac

CSPG Bulletin

... analysis indicated higher sub-weathering velocities in the southwestern part of the profile and only a thin weathered layer, which is absent...

Reef Delineation by Multiple Offset Borehole Seismic Data Collection: A Case Study

D. E. Miller and L. Dupal

AAPG Special Volumes

..., volume 1: Atlas of Seismic Stratigraphy A new imaging method, closely related to prestack Kirchhoff migration, has recently been proposed for use...

2009 Gulf Coast Association of Geological Societies 59th Annual Convention, September 27-29, 2009, Shreveport, Louisiana Hosted by Shreveport Geological Society, #90093 (2009)

Search and Discovery.com

Abstract: The Approximate use of 1D Internal Multiple Prediction in a Multidimensional World: Errors and Recommendations; #90224 (2015)

Pan Pan and Kris Innanen

Search and Discovery.com

... Article #90224 GeoConvention © 2014, FOCUS - Adapt, Refine, Sustain Calgary, Alberta, Canada, May 12-16, 2014 Figure 1: (a) Four-layer velocity model...

Conducting Integrated Reservoir Studies in the Quartzite Hamra Reservoir-Tight Oil, Southern Periphery of Hassi-Messaoud Field, Algeria, #20392 (2017).

Ait Ali Zoulikha, Maâmar Djarir, Rafika Zenkhri, Abdellah Sokhal, Lounis El Hadi, Abdelkarim Aguenini, Gholamreza Zandkarimi, Philip Mosher, Donghai Xu, Fatmir Likrama, El Eraki Ahmed, Mahmoud Noaman

Search and Discovery.com

... interpretation tool. Identify eruptive layer distribution and thickness in the area of interest. Distribute the reservoir geomechanical properties. Enhance...

G. Non-Normal Incidence Reflections and the Determination of Lithology - Use of Shear Waves and Amplitude with Offset

Norman S. Neidell

AAPG Special Volumes

... Annual Mtg. SEG, Las Vegas, Sept. 11-15, 1983. (8) McAulay (A.D.), "Importance of Shear in Plane Layer Point Source Modeling for Prestack Inversion...

Marchenko focusing using convolutional neural networks

Mert S. R. Kiraz, Roel Snieder

International Meeting for Applied Geoscience and Energy (IMAGE)

... Green’s function to those obtained from the CNN prediction. Network Architecture Our CNN architecture consists of an input layer, two hidden 1-D...

The use of FWI in coal exploration

Mehdi Asgharzadeh, Maryam Bahri, Milovan Urosevic

Petroleum Exploration Society of Australia (PESA)

... (top). This comparison shows that we have been able to reconstruct many of the contrasting layer boundaries within the available seismic bandwidth...