Abstract: Improved Pore Pressure Prediction by Integrating Basin Modeling and Seismic Methods, by H. M. Helset, M. Lüthje, and I. Ojala; #90091 (2009)

Search and Discovery.com

Target Detectability of Marine Controlled Source Electromagnetic Method … Insights from 1-D Modeling, #40751 (2011)

Souvik Sengupta,

Search and Discovery.com

... of 0.25Hz. When the water depth is increased we can see the amplitude (with a logarithmic scale) and phase (with a linear scale), have a close...

The Threshold of Grain Motion Under Oscillatory Flow in a Laboratory Wave Channel

John R. Dingler

Journal of Sedimentary Research (SEPM)

... in this derivation because it is related to the orbital diameter and wave period in linear theory (Equation 2). Using standard dimensional analysis...

Drawdown Optimization in Unconventional Wells Using Coupled Reservoir and Surface Modeling

Saeid Khorsandi, Yula Tang, Yan Li, Yuguang Chen, Anurag Shrestha, Kainan Wang, Jianlei Sun, Shengkai Duan

Unconventional Resources Technology Conference (URTEC)

...Drawdown Optimization in Unconventional Wells Using Coupled Reservoir and Surface Modeling Saeid Khorsandi, Yula Tang, Yan Li, Yuguang Chen, Anurag...

Accurate simulations of pure P-waves in attenuating transversely isotropic media

Qiang Mao, Jianping Huang, Xinru Mu

International Meeting for Applied Geoscience and Energy (IMAGE)

... these issues, using the acoustic approximation, Mu et al. (2022) and Qiao et al. The exact complex-valued phase velocity formula in 2D viscoelastic media can...

Imaging Beneath Gas - A Prestack Depth Migration Case Study (Paper 34)

Osman Khan, Uwe Klein-Helmkamp, Peter Whiting, Tim Chapman

Geological Society of Malaysia (GSM)

... by the interpreters. The seismic data was then pre-stack depth migrated using the converted PreSTM velocity field. Velocities were picked along...

Tengiz field fault shadows mitigation with combined joint FWI-tomography, Q-tomography, and least-square migration

Tianjiang Li, King Sim Lee, Bin Gong, Kai Yang, Kai Zhang, Assem Bibolova, Zhanibek Katrenov

International Meeting for Applied Geoscience and Energy (IMAGE)

...:  Iterative Joint FWI and Tomography Depth model building is an iterative process including refraction tomography for the near-surface velocity...

The Use of Physical Modeling to Resolve Offshore Seismic Problems

B. J. Evans, M. Urosevic

Indonesian Petroleum Association

... could be submerged to any depth. Physical modeling studies require the building of scaled geological models based on their scaled sonic interval velocity...

Enhancing reservoir simulation workflows by coupling a GPU-accelerated full-physics simulator with a Fourier neural operator-based surrogate model

Karthik Mukundakrishnan, Klaus Wiegand, Vidyasagar Ananthan, Daniel Kahn, Dmitriy Tischekin, Marcos Kajita, Clement Etienam

International Meeting for Applied Geoscience and Energy (IMAGE)

..., neural operators are implemented as an iterative process using a bias function 𝑊, as given by equation (7). The algorithm starts from an Fourth...

Optimizing Short-Term Plume Containment: Comparison of Well Arrangements

Herminio H. Suguino, Richard C. Peralta

Utah Geological Association

... suitable for linear and nonlinear problems. The objective function tried to minimize pumping. Constraints utilized include the following: (a) At each...

Experimental Modeling of the Spatial Distribution of Grain Size Developed in a Fill-and-Spill Mini-Basin Setting

Rufus L. Brunt, William D. McAffrey, Benjamin C. Kneller

Journal of Sedimentary Research (SEPM)

... of sediment-laden gravity currents: new insights using ultrasonic Doppler velocity profiling, in McCaffrey, W.D., Kneller, B.C., and Peakall, J., eds...

The Use of Modern 3D Seismic Data Processing Techniques, 5D Interpolation, and Anisotropic PSTM to Improve Existing 3D Data in South Louisiana Data—Pulling the Scales from our Eyes; New Truth from Existing Datasets

John Asma, John Stevens, Sukhdev Hyare, Dave Spaulding

GCAGS Transactions

... of the interpolation. Anisotropic PSTM The first normal moveout corrections were performed using well velocity functions and a mechanical apparatus...

Abstract: FWI Using Reflections in Shallow Waters Offshore Abu Dhabi; #91204 (2023)

Carlos Barajas, Olivier Hermant, Oleg Khakimov, Bastian Hutahayan, Guillaume Cambois, Mohamed Mahgoub, Olivier Kirstetter

Search and Discovery.com

... the velocity model using diving waves only, whilst for the second step we use both diving waves and reflected waves to reach the required depth...

Extended Abstract: Recent Exploration in ATP 299P(A) Eromanga Basin

D. King

Petroleum Exploration Society of Australia (PESA)

... be derived most reliably using an analytic velocity-depth function. In the absence of reliable velocity information, distortion effects can...

Growth Fault-Bend Folding at Southeast Lost Hills, San Joaquin Valley, California

Donald A. Medwedeff

AAPG Bulletin

... (McGuire et al, 1983). Because seismic velocity in a clastic section is a function of compaction and, therefore, of maximum burial depth (Sheriff...

Theoretical and experimental study of acoustic and electrical properties in tight-oil rocks: A case study

Mengqiang Pang, Jing Ba

International Meeting for Applied Geoscience and Energy (IMAGE)

...) porosities and clay content. The results show that these properties play a significant role. Then, a 3D rock-physical template is built and calibrated by using...

The Role of Statics Application in the Imaging of Sub-Surface in Fold Belt Areas, #40746 (2011)

Arun Kumar Arya, Bharat Chandra Joshi, Narinder Pal Singh,

Search and Discovery.com

... migration. The time-migrated section is converted into depth section using the available velocity field. The processing flowchart may be as follows: (1...

AVO Analysis of Long Offset Seismic Data Using 3-D Graphical Analysis, by F. Zhu and R. L. Gibson; #90901 (2001)

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Improving Depth Prediction Accuracy of Quantified Drilling Hazards

W. Scott Leaney, William H. Borland

Geological Society of Malaysia (GSM)

... (a preferably calibrated) Gardner's relation or an assumed density function, transform acoustic impedance in two-way time to interval velocity. • Using...

Pore Pressure Prediction Geology and Modeling Assessment

Selim S. Shaker

GCAGS Transactions

... seismic velocity (converted to Δt) vs. depth and the criteria for predicting each subsurface pressure zone’s at depth. (B) pressure-depth plot using...

Consonance Logging: Old Concept - New Solutions

Mario J.C. Petricola

Indonesian Petroleum Association

.... The petrophysicist is regularly confronted with discrepancies between logs that are due to the differences in vertical resolution, depth of investigation...

Thickness Changes in Sedimentary Layers During Compaction History; Methods for Quantitative Evaluation

Raymond Perrier , Jacques Quiblier

AAPG Bulletin

.... Chilingar, eds., Diagenesis of sediments: Amsterdam, Elsevier, p. 19-89. Faust, L. Y., 1951, Seismic velocity as a function of depth and geologic...

Seismic Refraction and Reflection Studies in the Timor-Aru Trough System and Australian Continental Shelf: Convergent Margins

R. S. Jacobson , G. G. Shor Jr. , R. M. Kieckhefer , G. M. Purdy

AAPG Special Volumes

... deeper layers. On station 15, first layer arrivals form a smooth curve, calculated to represent a velocity-depth function V = 1.55 + 0.88Z km/sec...

Subsalt Imaging: An Integrated Approach to Image Improvement of Vintage Data, #42076 (2017).

Evans Owah, Christian Rivera, Marjolaine Lahmi, Michel Courbe

Search and Discovery.com

... prospects. Pre-stack depth migration has been known to help improve the seismic image around complex targets with sharp lateral velocity variations...

Finite Difference Modeling: Part I: Become Expert in Five Minutes

Lasse Amundsen, Ørjan Pedersen, Martin Landrø

GEO ExPro Magazine

... the function over its entire domain. One example is the wave equation. It is a second-order linear partial differential equation which describes how waves...