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

... into wavelets, migration of the wavelets to the depth domain, and finally reconstruction into an image. The wavelet shift tomography technology...

Adaptive regularization parameter estimation in image domain least-squares migration

Shen Sheng, Huazhong Wang

International Meeting for Applied Geoscience and Energy (IMAGE)

... seismic inversion theory can theoretically eliminate the adverse effects of irregular seismic acquisition and band-limited wavelets on conventional...

A new method in predicting sandstone thickness using seismic amplitude ratio attribute

Bin Li, Jiawei Li, Hao Yan, Pengzhi Zhang

International Meeting for Applied Geoscience and Energy (IMAGE)

...://doi.org/10.1190/1.2838274. Kallweit, R. S., and L. C. Wood, 1982, The limits of resolution of zero-phase wavelets: Geophysics, 47, 1035–1046, doi: https...

Nonlinear time difference detection based on template matching and its denoising applications

Rongwei Xu, Bo Feng, Huazhong Wang, Chengliang Wu, Zhenbo Nie

International Meeting for Applied Geoscience and Energy (IMAGE)

... assumption for the signal, which is difficult to meet linear assumption under complex geological structures. In this abstract, we treat the wavelets...

Relative inversion for extended elastic impedances

Peter Harris, Kathryn Young

International Meeting for Applied Geoscience and Energy (IMAGE)

... is that the inversion explicitly includes a seismic noise model through the seismic covariance matrix Σ 𝑑 , the angle-dependent wavelets...

Velocity model building for pressure and converted wave imaging using surface-DAS data: A North Sea case study

M. ElAttar, H. Malak, A. Cooke, O. Lewis, C. Thorgersen

International Meeting for Applied Geoscience and Energy (IMAGE)

... style. Figures 2b and 2c show an example of wavelets inverted across multiple sources and their convergence before and after FWI. Better alignment...

Sequence Stratigraphy Analysis Based on Wireline Log, Mudlog, and 2D Seismic of GHC Field, Baong Formation, Aru Sub Basin, North Sumatra Basin

Ghea Cahya Yulitha, Hari Wiki Utama, Fadhillatul Husna Kurniawan

Indonesian Petroleum Association

..., the better the results of the Well Seismic Tie will be. The comparison of the correlation coefficient values obtained from the use of the four wavelets...

Inferring total organic carbon and major element geochemical and mineralogical characteristics of shale core from hyperspectral imagery

B. Rivard, N. B. Harris, J. Feng, and T. Dong

AAPG Bulletin

..., and A. Sanchez-Azofeifa, 2008, Continuous wavelets for the improved use of spectral libraries and hyperspectral data: Remote Sensing of Environment, v...

Abstract: Application of 2D Crosscorrelation and Radon Transform for Analysis of Double Couple Microseismic Source; #90187 (2014)

Neda Boroumand and Hassan Khaniani

Search and Discovery.com

...) first motion behavior for each U x and U z displacement component; the solid blue wavelets indicate the polarity in the U x direction and the red...

Abstract: Workflows for Sweet Spots Identification in Shale Plays Using Seismic Inversion and Well Logs; #90187 (2014)

Yexin Liu

Search and Discovery.com

... and Russell, 2005), the HTI anisotropic reflection equation should be convoluted with angle-dependent wavelets and was re-written...

Abstract: Simultaneous Multiple Source Acquisition using m-Sequences; #90187 (2014)

J. Wong

Search and Discovery.com

... of two wavelets used to represent seismic arrivals in the impulse response of the earth to a seismic source. The second event is much weaker...

Abstracts: The Deconvolution of Multicomponent Trace Vectors; #90173 (2015)

Xinxiang Li, Peter Cary, and Rodney Couzens

Search and Discovery.com

... components is not optimal. The wavelets on the traces with significant energy present on the transverse component are not effectively ‘collapsed...

A Coupled Petrophysical-Geophysical Model Demonstrates Velocity Dispersion in a Thin-bedded, Fluvial Reservoir; #40913 (2012)

Richard C. Odom

Search and Discovery.com

... require special consideration when targeting thin fluvial members. 3. Synthetic seismogram techniques, such as Weiner-Levinson wavelets, rely...

Seismic Data Preconditioning for Improved Reservoir Characterization (Inversion and Fracture Analysis); #41347 (2014)

Darren Schmidt, Alicia Veronesi, Franck Delbecq, and Jeff Durand

Search and Discovery.com

...) and after (right) preconditioning. Extracted wavelets and amplitude spectra before preconditioning are shown at two well locations (left). The map QC...

Optimized Well Placement from the Integration of Geoscientific Measurements; #41356 (2014)

Gorka Garcia Leiceaga

Search and Discovery.com

... by analyzing the relationship between well and seismic data. The main inputs include seismic partial stacks, wavelets and low frequency models. Results from...

Detecting Lateral Continuity of Taranaki Basin Reservoir Sand Based on Sequence Stratigraphy and Seismic Attribute Analysis; #10741 (2015)

Joseph Gnapragasan, Umar Hamzah

Search and Discovery.com

... seismic encounters thinner sediments (<¼ length of the wavelength), the wavelets used to tune to be an unresolved reflections which cannot be seen under...

A depositional model for the Carbonera Formation, Llanos Foothills, Colombia, from workflow of a sequence stratigraphic framework and interpretation from well-log stacking patterns, well cuttings, and three-dimensional seismic spectral decomposition

Essam Saeid, Christopher Kendall, James Kellogg, Thomas De Keyser, Ibraheem Hafiz, Ziyad Albesher, and José Antonio Martinez

AAPG Bulletin

... throughout the Carbonera Formation. The CWT and the calculated iso-frequency seismic sections were based on all three wavelets: Morlet, Gaussian...

Chapter 2: Basics of Reflection Seismology that Relate to Seismic Stratigraphy

Tom Wittick

North Texas Geological Society

... of the wavelets from the two reflectors. Figure 2-4. Relationship between Lithology, Propagating Wavelet & Seismic Response Of course a synthetic...

Deterministic and Statistical Wavelet Processing

Lee Lu

Southeast Asia Petroleum Exploration Society (SEAPEX)

... character of these wavelets. In addition to shaping the wavelet, as described above, it may be useful also to equalize the amplitudes of the spectrum...

Basics of Reflection Seismic Technology

Abilene Geological Society

... of the wavelets from the two reflectors. Figure 4. Relationship Between Lighology Propagating Wavelet & Seismic Response Of course a synthetic...

Extended Abstract: Advances in Interpretation & Imaging

P. Beale

Southeast Asia Petroleum Exploration Society (SEAPEX)

... a multitude of numbers, results and signals which are usually converted into wavelets and seismic traces. Inversion in this presentation is the process...

Will Lebanon be the Next Oil Province?

Øystein Lie, Jörn Fürstenau, John Comstock, Petroleum Geo-Services

GEO ExPro Magazine

... on a slant stack of local seismic traces decomposed into wavelets. After solving for background velocity, high-resolution velocity updates were performed...

The Search for Oil in the South-Eastern Barents Sea

Sylvia B. Hammersvik, Gustav A. Ersdal

GEO ExPro Magazine

..., CGG and deliver sharper wavelets without sidelobes. These provide more detailed imaging, allowing better identification of prospects and leads...

Liberia: A Fresh Approach

Ben Sayers, Alex Birch-Hawkins, Rufus Tarnue, Gerrard Spear, Lauren Mayhew

GEO ExPro Magazine

... to the similarity of the wavelets and their distance from each other. The DRS produces a horizon-consistent map TGS Recent exploration in Liberia...

Finite Difference Modeling: Part II: How to clean numeric time dispersion

Lasse Amundsen, Ørjan Pedersen, Martin Landrø

GEO ExPro Magazine

... onto the Mexican hat wavelets that d’Alembert showed in 1746 to be the solutions of the 1D wave equation. Figure 4. Plot of the digital filter matrix F...