ABSTRACT: The Influence of Physical and Chemical Parameters on Organic Maturation- Application to the Shei Point Group in the Sverdrup Basin, Arctic Canada

D.N. Skibo, F. Goodarzi, K.R. Stewart, A.F. Embry

The Society for Organic Petrology (TSOP)

... Project cores given by Horai (1981) was combined with the empirical relationship for porosity as a function of depth, age and shale fraction given...

Seismic Refraction Studies in Gulf of California

Richard P. Phillips

AAPG Special Volumes

.... The profiles from the northern Gulf were analyzed to find the closest linear velocity-depth function consistent with the data. The function derived...

Abstract: Frequency-dependent Elastic Moduli and Attenuation of Sandstone and Carbonate Rocks; #91204 (2023)

Andika Perbawa, Thomas Finkbeiner, Salma Alsinan, Juan Carlos Santamarina

Search and Discovery.com

... is velocity dispersion and related variations in elastic moduli (e.g., Young's modulus). Because frequency ranges in the field are different compared...

CMP domain near-surface velocity model building based on deep learning

Yihao Wang

International Meeting for Applied Geoscience and Energy (IMAGE)

...-surface velocity model building method using refractions in the CMP domain. Synthetic tests with undulating topography and complex geometry are designed...

A Robust Gradient for Long Wavelength FWI Updates

Jaime Ramos-Martinez, Sean Crawley, Kathy Zou, Alejandro Valenciano, Lingyun Qiu, Nizar Chemingui, Andrew Long

Petroleum Exploration Society of Australia (PESA)

... dynamic weights in the velocity sensitivity kernel derived from impedance and velocity parameterization of the classical objective function. The new kernel...

The brittleness index estimation of shale reservoir guided by triaxial fracture experiments

Li Min, Wang Yang, Shen Hui, Liu Weihua, Li Chengcheng, Zhang Fangnan

International Meeting for Applied Geoscience and Energy (IMAGE)

..., t is the objective function, i is the sample sequence number, M is total number of samples,  is the linear i i i =0 fitting weight coefficient, K...

Acoustic waveform inversion with the Lippmann-Schwinger equation constraint

Rahul Sarkar, Biondo Biondi

International Meeting for Applied Geoscience and Energy (IMAGE)

... consider has the special structure that the background velocity depends only on depth, in which case an efficient method exists to compute the forward...

Enchaining reservoir characterization: A two-stage joint inversion approach for improved resolution

Saleh Al Nasser

International Meeting for Applied Geoscience and Energy (IMAGE)

... populating the diagonal. The last term in the objective function|𝑡(𝑘, 𝑣)| should disappear if the permeability and velocity models' spatial gradient...

Machine learning-based residual moveout picking

Farhad Bazargani, Wenjun Zhang, Anu Chandran, Zaifeng Liu, Harry Rynja

International Meeting for Applied Geoscience and Energy (IMAGE)

...) in depth migrated seismic gathers provides information on the accuracy of the migration velocity model (Woodward et al., 1998; Adler et al., 2008...

Abstracts: Implicit Preconditioning for Least-squares Nonstationary Phase Shift; #90173 (2015)

Marcus R. Wilson and Robert J. Ferguson

Search and Discovery.com

... as we add traces. Decimated traces are reconstructed even when no smoother is applied, with larger depth steps resulting in better regularization...

JAX acceleration of implicit FWI and field data application

H. V. Nguyen, A. Sekar, K. Wang, T. Zhang, T. Nemeth, U. Albertin, M. Eaid, K. Nihei, E. Wang, K. Innanen

International Meeting for Applied Geoscience and Energy (IMAGE)

... 𝑚 = Φ(𝑤, 𝑏), with weights, 𝑤, biases, 𝑏, and a nonlinear map Φ, which has a linear layer as the final layer. This MLP is designed using the SIREN...

Acoustic target-level full-waveform inversion: Applied to ocean-bottom seismic data

Carlos A. N. da Costa, João M. de Araújo, D.J. Verschuur, Aydin Shoja

International Meeting for Applied Geoscience and Energy (IMAGE)

... is updated at (k + 1)th iteration according to: k+1 0 Velocity (km/s) ∂ B(m) Ps j . ∂ ml Depth (km) vs j ,l = − 0 Density (kg/m^3) (a) where ℜ denotes...

Anisotropic full-azimuth velocity model building using joint reflection-refraction tomography

Matan Shustak, Itai Sharabi, Orly Kletenik-Edelman, Elive Menyoli, Ike Imala, Ronit Levy, Zvi Koren

International Meeting for Applied Geoscience and Energy (IMAGE)

...Anisotropic full-azimuth velocity model building using joint reflection-refraction tomography Matan Shustak, Itai Sharabi, Orly Kletenik-Edelman...

ABSTRACT: Sandstone Permeability Viewed as a Function of Intergranular Macroporosity: Garn Formation, Haltenbanken, Mid-Norwegian Continental Shelf, by S. N. Ehrenberg; #91003 (1990).

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Pre

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A Novel Method of Deriving Weathering Statics from First Arrival Refractions

G. W. Hollingshead, R. R. Slater

Pacific Section of AAPG

... the length of the profile. This graphical display will be referred to as a relative geophone delay time curve. If the velocity function for the X/V...

Incorporation of Geology, Wells, Rock Physics into Anisotropy Estimation for Seismic Depth Imaging Enables True Earth ModelŽ, #40862 (2012)

Huyen Bui, Peck Hwa David Ng, Jenny Zhou, Chih-Wen Kue, Martiris Smith

Search and Discovery.com

... to incorporate geology, well, and rock physics in anisotropy estimation for seismic depth imaging. As we all know, that the seismic velocity is an important...

Application of Log-Based Transforms to Characterize Mechanical Properties of Silurian-Aged Carbonate and Evaporate Formations within the Northern Niagaran Pinnacle Reef Trend

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Constrained tomography for improved presalt elastic full-waveform inversion

Yaofeng He, Xu Li, Young Ho Cha, Partha Routh, Inma Dura-Gomez, Carey Marcinkovich

International Meeting for Applied Geoscience and Energy (IMAGE)

... showed a slower velocity trend than the initial velocity; b) depth misties were present in the pre-salt region. A first attempt using tomography without...

Mapping with Two-Dimensional Seismic Data: Part 7. Geophysical Methods

I. R. Gordon

AAPG Special Volumes

... to using a single velocity function (Figure 3). End_Page 381------------------------ Construction requires a base map and velocity data. The object...

The Preparation of Seismic Depth Maps in Oil Exploration

A. E. Pallister

CSPG Bulletin

... the surface. It is suggested by this curve that the average velocity to the Blairmore is basically a function of the depth of the Blairmore from the present...

Detection of Fluvial Reservoir Sands Using Rock Physics and Simultaneous Inversion: Case Study from the Gulf of Thailand

Mirza Naseer Ahmad, Philip Rowell

Indonesian Petroleum Association

... to determine the physical parameters that may distinguish lithology or fluid. These crossplots were also analyzed as a function of depth to check the depth...

Geophysical Basin Modeling: Velocity Modeling for Seismic Imaging in Complex Geology Settings 1

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Velocity Conditioning for an Improved Depth Conversion, #40743 (2011)

Ang Chin Tee, M. Hafizal Zahir, M. Faizal Rahim, Nor Azhar Ibrahim, Boshara M. Arshin

Search and Discovery.com

... conversion to depth using 3D Hybrid Velocity 3D Grid...

Fiber Optic Sensing-Based Production Logging Methods for Low-Rate Oil Producers

Ge Jin, Kyle Friehauf, Baishali Roy, Jesse J. Constantine, Herbert W. Swan, Kyle R. Krueger, Kevin T. Raterman

Unconventional Resources Technology Conference (URTEC)

... includes: using speed of sound (SoS) and Eddy velocity to recover fluid phase and velocity using a point sensor (Unalmis and Lievois, 2016...