Structure of Extensionally Rifted Crust Beneath the Western Ross Sea and Iselin Bank, Antarctica, from Sonobuoy Seismic Data

A. K. Cooper, F. J. Davey, G. R. Cochrane

Circum Pacific Council Publications

..., within layers at depth. Linear velocity gra­ dients have been described previously for sonobuoy seismic data from the Eastern basin and Central trough...

Application of distributed fiber optic and borehole-surface jointly acquired seismic data in high-resolution processing of conventional seismic

Zhanqing Yu, Cheng Wang, Miao Kun

International Meeting for Applied Geoscience and Energy (IMAGE)

... on the ray or by the wave equation method based on the wave field extension, and can be modeled in the time domain or the depth domain (Leaney,W.S....

Abstract: Kirchhoff Imaging in a Matrix Form. Part II: Least Squares Migration; #90174 (2014)

Abdolnaser Yousefzadeh and John C. Bancroft

Search and Discovery.com

...lacing the elements by the calculated migration weight. If instead of using the DSR equation, we use a ray tracing program, this technique can be ext...

Extrapolation of Reservoir Lithology Away from Wells Using Seismic-Geologic Controls

Ruben D. Martinez, Geoffrey Mansfield

Indonesian Petroleum Association

... are calculated at every sample (in depth or two-way time) by solving a set of linear equations. WLI was accomplished using sonic, density, and gamma ray logs...

Abstract: Properties of Oil Sands and Bitumen in Athabasca; #90211 (2015)

Hisako Mochinaga, S. Onozuka, Fumio Kono, Toyokazu Ogawa, Akihisa Takahashi, and Takahiro Torigoe

Search and Discovery.com

..., AB, Canada, May 15-18, 2006 Rock Physics Modeling We calculated oil sands velocity using Gassmann’s equation, which is applicable to measurements...

Application of Electrical Resistivity Measurements to Problem of Fluid Flow in Porous Media

M. R. J. Wyllie , M. B. Spangler

AAPG Bulletin

...: EQUATION (1) Where, ue = macroscopic velocity of flow, cm./sec. d = diameter of pipe, cm. P = pressure differential causing flow, dynes/cm.2 ^eegr...

Shale brittleness prediction using machine learning—A Middle East basin case study

Ayyaz Mustafa, Zeeshan Tariq, Abdulazeez Abdulraheem, Mohamed Mahmoud, Shams Kalam, and Rizwan Ahmed Khan

AAPG Bulletin

..., compressional wave velocity, gamma ray, and photoelectric absorption cross-section index) with mineralogy-based BI (Heidari et al., 2014; Lai et al...

Multiparameter FWI imaging in the Gulf of Mexico

Tom Rayment, Karen Dancer, James McLeman, James Penwarden, Tim Ooi, Monica Hartmann

International Meeting for Applied Geoscience and Energy (IMAGE)

... the velocity model has provided an improvement in imaging compared to the conventional ray-based tomographic approach in this complex geological environment...

Integrated Seismic Attributes and AVO Analysis in the Faults and Hydrocarbon Leakage Extraction

Ragil Destriawan Prasetyo, Dicky Harishidayat

Indonesian Petroleum Association

... form of this equation separated the velocity and and density terms: This equation is commonly known as the AVO equation. A is called the intercept, B...

Abstract: Calculation of Amplitude and Velocity in General Anisotropic Media; #90224 (2015)

M. Malehmir and D. R. Schmitt

Search and Discovery.com

...Abstract: Calculation of Amplitude and Velocity in General Anisotropic Media; #90224 (2015) M. Malehmir and D. R. Schmitt Datapages/Search...

Low-rank representation for reflectivity model and its applications in least-squares migration

Jidong Yang, Jianping Huang, Hejun Zhu, George McMechan

International Meeting for Applied Geoscience and Energy (IMAGE)

.... Over time, seismic imaging methods have evolved from ray-based migration (Gray and May, 1994), through one-way wave equation migration (Gazdag, 1978...

Challenges of Sub-Thrust Imaging Using Broadband Three-Dimensional Seismic Data: a Case Study in the Outer Banda Arc, Indonesia

Masamichi Fujimoto, Yonghe Guo, Anky Fatwa, Yuki Sasaki

Indonesian Petroleum Association

... prestack depth migration (PrSDM) velocity modeling and imaging were utilized for the study. The paper will describe the benefits of broadband seismic...

Gamma Ray Logs: Chapter V

George B. Asquith, Charles R. Gibson

AAPG Special Volumes

... from Schlumberger, 1974). [EQUATION] Where: IGR = gamma ray index GRlog = gamma ray reading of formation GRmin = minimum gamma ray (clean sand...

Refraction tomography at the Nova Ni-Cu mine

Ian James, Graeme Hird, Andrew Fitzpatrick

Petroleum Exploration Society of Australia (PESA)

... are applied to account for the near-surface variations in refractor velocity and depth. This was performed using several methodologies, from layer-based...

A Practical Approach to Seismic Imaging of Complex Geology, by M. Brzostowski and T. Jones #40057

Search and Discovery.com

Normal Moveout and Dip Moveout, C. L. Liner, #40037

Search and Discovery.com

A new method for estimating total organic carbon content from well logs

Peiqiang Zhao, Zhiqiang Mao, Zhenhua Huang, and Chong Zhang

AAPG Bulletin

... or no potassium feldspar. Specifically, on the basis of previous results of log responses of source rocks, it is believed that the natural gamma ray (GR) log...

3-D Seismic Prediction of Reservoir Properties, West Moose Field, Ector County, Texas

George P. Watts, Timothy D. Lyons, Archie R. Taylor

Rocky Mountain Association of Geologists

.... The coefficients from the linear regression were used in the following equation + + PHIH = 0.19780 (0.00014 *AMPS) (0.00558 * FREQ) - (0.00951 * PHAZ...

Formation of Ripple Bands in a Wave-Convergence Zone

K. P. Black , T. R. Healy

Journal of Sedimentary Research (SEPM)

... and Reid (1954), where the bed dissipation is given by Df = Ub = [4]/[3]Cfu3m, (10) and with Equation 4 for the maximum orbital velocity, the energy...

Sediment Dispersal Pattern Off an Eroding Delta on the West Coast of Taiwan

James T. Liu, Ray T. Hsu, Jeong-Shang Huang, Shenn-Yu Chao

Special Publications of SEPM

... height itself is modulated by the tide (water depth and current velocity and direction). The turbidity and salinity also have an instantaneous...

Quartz Fabric in Shales: Quantification and Assessing its Influence on Geomechanical Properties

M. Rebecca Stokes, Andrew P. Rathbun, Paul C. Montgomery, Michael C. Cheshire, E. Russ Peacher

Unconventional Resources Technology Conference (URTEC)

... and rapid turnaround time for data. By developing an E* prediction equation from mineralogy and crystallite size data using multiple linear regression...

Enhancing PSDM via Well Data Derived from Gradient Boosted Trees Machine Learning

Marianne Rauch, Mike Perz, Sathiya Namasivayam, Ritesh Sharma

Unconventional Resources Technology Conference (URTEC)

... a better chance to solve the difficult near-surface wave propagation issues [5]. The migration velocity model building is a crucial part of the depth...

Improving seismic resolution by reprocessing multiple surveys at Na Kika field

Qingsong Li, Robert (Bobby) Chrisman, Dale Baptiste, Yan Liu, Dhvanil Patel, Carlos Rivas Aroni

International Meeting for Applied Geoscience and Energy (IMAGE)

... seismic resolution at reservoir depth through reprocessing of existing datasets. Even so, improving seismic resolution has been a continued focus area...

Abstract: Poisson Impedance : A Promising Tool for Determination of Sand Quality; #90187 (2014)

Ritesh Kumar Sharma and Satinder Chopra

Search and Discovery.com

...-, S-impedance contrast using Poisson Impedance (PI). The correlation coefficients between PI curve (with different c values) versus Gamma ray and Water saturation...

Combined elastic FWI of accelerometer and DAS VSP data from a CO2 sequestration test site in Newell County, Alberta

Matthew Eaid, Scott Keating, Kristopher Innanen

International Meeting for Applied Geoscience and Energy (IMAGE)

... P-wave velocity, and (e) Crossplot of density versus P-wave velocity at a depth below the near surface that best explains the data. Because we...