Attributes Assisted Seismic Interpretation in Pre-Stack Time versus Depth Migration Data; #41637 (2015)

Tengfei Lin, Hang Deng, Zhifa Zhan, Zhonghong Wan, Kurt Marfurt

Search and Discovery.com

... lateral velocity variations, conventional time migration data has some pitfalls, which may lead to misinterpretation. Depth migration data possesses...

Integrating Geological Attributes with a Multiple Linear Regression of Geophysical Well Logs to Estimate the Permeability of Carbonate Reservoirs in Campos Basin, Southeastern Brazil; #10930 (2017)

Paula Almeida, Abel Carrasquilla

Search and Discovery.com

... of the environment defined by the gamma ray log - well A3. RESULTS Application of estimated permeability 1. Multiple linear regression from logs - Well A10...

Integration of Vertical Seismic, Surface Seismic, and Well-log Data at the Mallik 2L-38 Gas-hydrate Research Well, Mackenzie Delta, Canada

M. W. Lee, T. S. Collett, W. F. Agena

AAPG Special Volumes

... sediments in the depth interval 600900 m (19682953 ft) is estimated to be approximately 65 using equation 4, with the interval velocity of 2100 m...

Seismic imaging uncertainty using deep learning predicted Greens functions

Han Liu, Anar Yusifov, Muhong Zhou, Linda Hodgson

International Meeting for Applied Geoscience and Energy (IMAGE)

... generate the guide images using time to depth conversion of the receiver data through velocity model. The guide image for both source and receiver...

Reviving an old Buffalo - Breathing new life into an old dataset with modern technology

R. McGee, H. Debenham, P. Hoiles, A. O'Neill, J. Miller, A. Padman

Petroleum Exploration Society of Australia (PESA)

... highlight the large margin of error associated with the legacy velocity model and associated depth maps of the field. Citation: McGEE, R., DEBENHAM, H...

Abstract: Practical Implementation of Wave-Equation Datuming for Resolving Near-Surface Problems, by Khaled Al Dulaijan and Saleh M. Al-Saleh; #90105 (2010)

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Leveraging Reflection, Refraction, and Multiple Arrivals from Dual-Sensor Streamer Data for High-Fidelity Velocity Model Building and Imaging

G. Rønholt, J.E. Lie, Ø. Korsmo, B. Danielsen, S. Brown, S. Brandsberg-Dahl, A.V. Mavilio, N. Chemingui, D. Whitmore, M. Farouki

Indonesian Petroleum Association

... inversion (FWI) and separated wavefield imaging (SWIM) for prestack depth migration (PSDM) velocity model building and imaging. The data under...

Abstracts: Microseismic Source Inversion in Anisotropic Media; #90173 (2015)

Scott Leaney, Chris Chapman, and Tadeusz Ulrych

Search and Discovery.com

... three steps: 1. a ray-based, frequency domain, linear inversion for the moment tensor and source function; 2. a nonlinear inversion to obtain...

The Application of 2D Common-Offset Common-Reflection-Surface (CO CRS) Stack Method Towards Synthetic Data

Parapaty Halley, Rachmat Sule, Teuku Abdullah Sanny

Indonesian Petroleum Association

... ray (Figure 2), computed at the respective emergence points. This equation (1) is called the CO CRS stacking operator. The wavefront curvatures (K1...

How Organic Carbon Content and Thermal Maturity Affect Acoustic Properties (and Ultimately Seismic Response) in a Shale Gas/Oil Formation: Woodford Shale, Permian Basin

Nicholas B. Harris, Al Moghadam, Tian Dong

Unconventional Resources Technology Conference (URTEC)

...: 𝟐𝟐 𝝁𝝁 = 𝑽𝑽 𝑺𝑺 Results A simple linear regression has been used to estimate TOC data from gamma logs, based on a fit to core TOC, following core depth shifts...

Elastic Multi-parameter FWI Imaging – a North West Shelf undeveloped gas field case study

Fabio Mancini

Southeast Asia Petroleum Exploration Society (SEAPEX)

... be separated. The method used here employs an augmented acoustic wave equation to simultaneously estimate velocity and reflectivity. Tomographic...

Simultaneous Joint Inversion of Seismic, Magnetotelluric and Gravity in a Sub-Volcanic Reservoir

Muhammad Irsyad Hibatullah, Maulana hutama Rahma Putra, Firman Syaifuddin Akbar, Dwa Desa Warnana, Fahrenzy Yona Aisha

Indonesian Petroleum Association

... and choose the best model for will be converted to the Vp by equation (1) and (2) and considered as the final interval velocity there can be used...

NMO Inversion for Multilayer Subsurface with Horizontal Transverse Isotropic layers

E. Blias

Search and Discovery.com

... is utilized to determine an explicit formula for azimuthally-dependent NMO velocity in a HTI layered media with depth-varying orientation...

NMO Inversion for Multilayer Subsurface with Horizontal Transverse Isotropic layers

E. Blias

Search and Discovery.com

... is utilized to determine an explicit formula for azimuthally-dependent NMO velocity in a HTI layered media with depth-varying orientation...

Imaging in Complex Environments … Common Reflection Angle Migration

Graham A. Winbow

Indonesian Petroleum Association

... amplitude or first arrival). Illumination is an issue because significant lateral velocity variation produces significant laterally varying ray...

Abstract: Beam Migration of Canadian Foothills Datasets; #90171 (2013)

Tianfei Zhu, Terrence Krishnasamy, and Daniel Trad

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..., Canada Summary We have developed a beam method for shot-domain prestack depth migration. Based on a complex-ray Maslov formulation, this method overcomes...

Beam Migration for Imaging of Complex Structures

Karl Schleicher, John Sherwood, Lynn Comeaux, Mazin Farouki

Indonesian Petroleum Association

... iterations of tomographic velocity updating. Results from the Beam migration are proving to be superior to Kirchhoff and wave equation results...

Improving subsalt images using reflection FWI on WAZ data: Examples from the Gulf of Mexico

Maksym Kryvohuz, Yihua Cai, Sebastian Ramirez, Robert Schelstrate, Gislain Madiba

International Meeting for Applied Geoscience and Energy (IMAGE)

... is challenging. Conventional ray-based tomographic methods may have issues due to the large velocity contrasts between salt and sediment. Different from...

Quantitative analysis of DAS recorded P-wave generated by perforation shots

Peiyao Li, Ge Jin

International Meeting for Applied Geoscience and Energy (IMAGE)

... depth of phase velocity measurement is denoted as the horizontal axis in Figure 4. Result The analysis results of all stages are summarized in Figure 4...

Imaging Beneath Complex Structure

K. Larner, B. Gibson, and R. Chambers

AAPG Special Volumes

... reflection data could be accomplished by depth migration before stacking. Simple ray-theoretical correction of the complex moveouts, however, can produce...

Imaging Beneath Complex Structure: Case History: ABSTRACT

Ken Larner, Bruce Gibson, Ron Chambers

AAPG Bulletin

...-faulted interface. Wavefront distortion introduced by this feature gives rise to distorted reflections from depth. Even with interval velocity known...

Imaging Beneath Complex Structure: A Case History: ABSTRACT

Bruce Gibson, Ken Larner, Ron Chambers

AAPG Bulletin

... introduced by this feature gives rise to distorted reflections from depth. Even with interval velocity known perfectly, no velocity is proper for time...

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)

...) is the state-of-art technology used to resolve velocity anomalies caused by shallow gas pockets. Supplemented by multilayer non-linear tomography, a high...

Porosity-Velocity Distribution in Stratigraphic Sequences: The Marion-Yin Model, by Juan Florez and Gary Mavko, #40105 (2003).

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Abstract: A Ray+Waveform Inversion for the Potency Tensor; #90187 (2014)

Scott Leaney and Chris Chapman

Search and Discovery.com

...se problem linear we presently consider an inversion for the potency tensor source described by equation 2. A hybrid linear+nonlinear inversion for pote...