Assessing properties of internal multiples for different geologies

Paul Ras, Mikhail Davydenko, Eric Verschuur

International Meeting for Applied Geoscience and Energy (IMAGE)

..., and D. J. Verschuur, 2017, Quantitative prediction of injected CO2 at Sleipner using wave-equation based AVO: First Break, 35, 65–70, doi: https...

Turning high resolution FWI model into pseudo-reflectivity: A case study using sparse OBN

Bing Bai, Yao Yu, Ruoyu Gu, Shenghong Tai, Denes Vigh

International Meeting for Applied Geoscience and Energy (IMAGE)

... models even in complex geological settings. FWI is an iterative wave-propagation based inversion approach for updating subsurface velocity models...

Shape Variation of Some Lake Superior Beach Pebbles

Robert M. Grogan

Journal of Sedimentary Research (SEPM)

.... The general applicability of Krumbein's equation of rounding to the rounding of these pebbles is tested by a graphical method. KRUMBEIN, W. C., 1940...

Identification of Distribution Sandstone Reservoir Zone and Hydrocarbon Fluid Using Extended Elastic Impedance (EEI) in Talang Akar Formation at Azzura Field, North West Java Basin

Annisa Dian Afsary, Adi Susilo, Bayu Dwijatmiko, Agung Dwi Alfianto

Indonesian Petroleum Association

... of the Elastic Impedance parameter with a more varied angle, which is -90° – +90° with equation by Whitecomb et al. (2002): Where, , α = wave velocity P...

Abstract: AVO Crossplotting I: Processing and Calibration Considerations; #90171 (2013)

Heath Pelletier

Search and Discovery.com

... – denoted Rp or ΔI/I) by a scaled version of the gradient attribute (the S-wave reflectivity – denoted Rs or ΔK/K) (equation 1). Equation 1 ΔF...

Increasing The Resolution of Seismic Imaging With Spectral Blueing, Spectral Decomposition RGB And HSV Blending to Delineate The Fluvial Facies on Fluvio Deltaic Environment

Aji Darma Maulana, Nine Safira, Ongki Ari Prayoga, Egie Wijaksono, Alit Ascaria

Indonesian Petroleum Association

... the second method, the output is a seismic attribute based on energy or wave intensity. The following theory will explain the time-frequency The Fourier...

Prediction and removal of internal multiples using an improved CFP approach

Zhiheng Jiang, Yongqiang Yao, Pengzhi Zhang

International Meeting for Applied Geoscience and Energy (IMAGE)

... the accuracy of seismic imaging and influence the recognition of primary reflected wave and other significant waves. This induces false interpretation...

Full-elastic AVA extraction using acoustic FWI

Michael Warner, John Armitage, Adrian Umpleby, Nikhil Shah, Henry Debens, Fabio Mancini

International Meeting for Applied Geoscience and Energy (IMAGE)

... to match the true amplitudes of the field data. The algorithm used during FWI was purely acoustic, and the finite-difference stencil, wave equation, boundary...

Application of Traveltime Tomography and Kirchhoff Migration Methods to Improve the Seismic Cross-Section Resolution on 2D Land Seismic Data

Harmita Lestari, Nur Ayu Anas, Muh. Resky Ariansyah, Sabrianto Aswad, Heri Winarto

Indonesian Petroleum Association

...) at the peak of the hyperbole at time τ. Mathematically, Kirchoff migration is an integral solution to the scalar wave equation (Yilmaz, 1987...

Characterizing the Near Surface with VSP and Well Logs

Search and Discovery.com

... seismogram and other well logs. The P-wave velocities of clean sandstone ranged from 2500 m/s to 3100 m/s and shales from 1900 m/s to 2100 m...

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

... CT images show that the oil sands have many weak planes probably caused by pore volume expansion (Fig. 4). We managed to measure P- and S-wave...

3D seismic survey design by maximizing the spectral gap

Yijun Zhang, Ziyi Yin, Oscar López, Ali Siahkoohi, Mathias Louboutin, Felix J. Herrmann

International Meeting for Applied Geoscience and Energy (IMAGE)

... that maximizing the spectral gap of the subsampling mask leads to better wavefield reconstruction results. We enrich the current study by proposing a simulation...

Impacts of Tropical Systems on the Sedimentary Fabric of the Mississippi Sound

Brian M. Velardo, Samuel J. Bentley, Gregory W. Stone

GCAGS Transactions

... by episodic tropical systems and winter storms. Below fair-weather wave base, major storm events are recorded as sandy event layers in a muddy matrix...

Acquisition and Analysis of Multicomponent Seismic Data, Anadarko Basin, Oklahoma, U

Search and Discovery.com

Seismic data interpolation based on diffusion model deep learning

Sian Hou, Chunming Wang, Qingcai Zeng, Dong Cui, Yixuan Yan, Cai Zhang, Zheng Zhang

International Meeting for Applied Geoscience and Energy (IMAGE)

... that the nth and (n-l)th labels satisfy the following equation: xn = ~xn-l + .J 1 - anz 1 and where xn and xn-l respectively; an represent the nth and (n...

Abstract: A Tour of High Resolution Transforms; #90171 (2013)

Mauricio D. Sacchi

Search and Discovery.com

.... In particular, Radon transforms in time-space and in frequency-space domain are examples of transformations that can be posed via equation (1) (Hampson, 1986...

Geomechanics Wellbore Stability Analysis in Successful Drilling of a Challenging HPHT Exploration Well in North Sumatra

Restio Brata, Muhamad Yanuar Mahardi, Apollinaris Stefanus Leo Anis, Fatrial Bahesti

Indonesian Petroleum Association

... measurements provide compressional slowness (Δtc) and together with the bulk density log (b) and synthetic shear slowness (Δts) by using Castagna equation...

Quantifying the Influence of Rock Fabric, Composition, and Electrical Double Layer on the Broadband Dielectric Dispersion of Organic-rich Mudrocks

Artur Posenato Garcia, Zoya Heidari

Unconventional Resources Technology Conference (URTEC)

... and to the double layer properties. We apply the quasistatic approximation to Maxwell’s equation and include the dispersive contribution of electrical double...

Integrating Experiments and Well Logs to Predict Caney Shale Static Mechanical Properties During Production with Supervised Machine Learning

Sherif M. Kholy, Hunjoo P. Lee, Mileva Radonjic

Unconventional Resources Technology Conference (URTEC)

.... A triaxial cell was utilized to measure ultrasonic (P-wave and S-wave) velocities for ten downhole Caney shale samples under various effective...

Seismic-attribute Analysis for Gas-hydrate and Free-gas Prospects on the North Slope of Alaska

M. W. Lee, T. S. Collett, T. L. Inks

AAPG Special Volumes

... constant is defined in equation 11 in the Appendix. For all values of gas saturation (Sg), P-wave velocities of reservoirs are much less than those...

Abstract: Fine Prediction of Thin Dolomite Using Multi-Wave Joint Inversion;

Hongqiu Wang, Kang Chen, Jianhu Gao, Guidong Di, Xin Guo

Search and Discovery.com

...Abstract: Fine Prediction of Thin Dolomite Using Multi-Wave Joint Inversion; Hongqiu Wang, Kang Chen, Jianhu Gao, Guidong Di, Xin Guo Fine Prediction...

An integrated wireless system for long-term and real-time subsurface CO2 monitoring

Xiaoliang Li, Chenpei Huang, Miao Pan, Xiaonan Shan, Jiefu Chen

International Meeting for Applied Geoscience and Energy (IMAGE)

... a finite element model based on real underground conditions to simulate the electromagnetic wave and power transfer along the casing. Most dimensions...

The sample boundary effect in the low-frequency measurements of the elastic moduli of rocks

Wenhui Tan, Vassily Mikhaltsevitch, Maxim Lebedev, Stanislav Glubokovskikh, Boris Gurevich

Petroleum Exploration Society of Australia (PESA)

.... æ Kd ç1 Ks è = Kd + e 1-j + Kf Ks ö ÷ ø 2 - Kd K s2 (11) (2) Equation (10) is the modified Gassmann equation that takes into account the effect...

Hydraulic fracture plane identification based on unsupervised learning

Zizhuo Ma, Tao Liu, Junzhou Liu

International Meeting for Applied Geoscience and Energy (IMAGE)

... on unsupervised learning Zizhuo Ma*, Tao Liu and Junzhou Liu, Sinopec Key Laboratory of Seismic Elastic Wave Technology Summary In hydraulic...

Statistical Analysis of Regional Facies Change in Ordovician Cobourg Limestone in Northwestern New York and Southern Ontario

L. Lippitt

AAPG Bulletin

... to be linear and a best fit made to the observational data by the method of least squares. The resulting equation for the regression line (best fit trend...