Least-squares reverse-time migration with angle gathers through point spread functions

Jianyong Bai, Orhan Yilmaz

International Meeting for Applied Geoscience and Energy (IMAGE)

... constraints on the extended angle dimension. Duveneck et al. (2021) used an angle continuity constraint and a structural dip constraint via shaping...

Seismic response analysis of thin coals

Yijun Xi, Xingyao Yin

International Meeting for Applied Geoscience and Energy (IMAGE)

... for geophysical processing and interpretation (Zhao, 2021). Seismic wave forward modeling simulates the propagation process of seismic waves in the earth's...

Predicting Formation Target Depth Ahead of the Bit with High Accuracy: A Case Study from the Arun Field for a Deviated Well

William L. Soroka

Indonesian Petroleum Association

.... A good image of the Baong shale interface was important so that a seismic wavelet could be determined. The Baong shale interface was also used...

A prior regularized 3D full-waveform inversion using 2D generative diffusion models

Fu Wang, Tariq Alkhalifah, Xinquan Huang

International Meeting for Applied Geoscience and Energy (IMAGE)

... are uniformly placed on the surface. The time sampling is 2 ms. The peak frequency of the Ricker wavelet is 8Hz. The total seismic recording is 3s. Then we...

Perceiving the Unseen Hydrocarbon Play Potential Grounded by Seismic Reservoir Characterization and Well Data in the Gumai Formation, South Sumatera, Indonesia

Haryono Haryanto, Wahyudin Bahri Nasifi, Indah Edria Amorita, I Wayan Ardana Darma, Trisakti Kurniawan, Fithra H. Darmawan, Azli B. Abu Bakar, Randy Condronegoro, Andri Syafriya

Indonesian Petroleum Association

...) with the wavelet (W). The simple formula can be stated as below: (1) (1) Most seismic inversion methods are based on minimizing the differences between...

Challenges to Processing, Interpretation and Depth Conversion Posed by Dynamic Statics Over the Ujung-Pangkah Field

Donald Easley, Ferry Yustiana

Indonesian Petroleum Association

...Challenges to Processing, Interpretation and Depth Conversion Posed by Dynamic Statics Over the Ujung-Pangkah Field Donald Easley, Ferry Yustiana...

Simultaneous Sources: The Inaugural Full-Field, Marine Seismic Case History from Australia (Paper A2)

I. Moore, D. Monk, L. Hansen, C. Beasley

Geological Society of Malaysia (GSM)

.... The interference is then handled in processing. The corresponding techniques for marine acquisition have seen somewhat slower development, despite being...

Quantitative Interpretation: Use of Seismic Inversion Data to Directly Estimate Hydrocarbon Reserves and Resources

James Shadlow, Adam Craig, David Christiansen, Robert Mitchell

Petroleum Exploration Society of Australia (PESA)

... in the Carnarvon Basin. The study area is covered by modern MAZ PSDM 3D seismic data using broadband acquisition and processing techniques, calibrated...

Chapter 119: Synthetic Seismic Modeling of Turbidite Outcrops

Mark Chapin, Gottfried Tiller

AAPG Special Volumes

...). Figure 2. Seismic wavelets used for comparison. A) Shallowly buried Pliocene–Pleistocene reservoir with high-frequency whitened wavelet. Note...

Assessing and processing three-dimensional photogrammetry, sedimentology, and geophysical data to build high-fidelity reservoir models based on carbonate outcrop analogues

Ahmad Ramdani, Pankaj Khanna, Gaurav Siddharth Gairola, Sherif Hanafy, and Volker Vahrenkamp

AAPG Bulletin

...Assessing and processing three-dimensional photogrammetry, sedimentology, and geophysical data to build high-fidelity reservoir models based...

Vz denoise and P/Z matching in 3D curvelet domain

Yong Ren, Chenhao Yang, Tim Seher, Matt Hawke, Eddie Cho

International Meeting for Applied Geoscience and Energy (IMAGE)

... domain Yong Ren*, Chenhao Yang, Tim Seher, Matt Hawke and Eddie Cho (TGS) Summary Ocean bottom node (OBN) seismic data processing commonly uses...

Application of full-waveform inversion to ultra-high-density OBN data at Clair field

Simon Luo, Xukai Shen, Philip Tillotson, Lindsey Smith, Dan Davies

International Meeting for Applied Geoscience and Energy (IMAGE)

... challenging aspect of seismic processing at Clair is the presence of strong water layer multiples that result from a shallow water layer and hard water bottom...

Statistical Mitigation of Depth Structure Uncertainty Using Multiple Realizations for the Ujung Pangkah Field

Donald Easley, Ferry Yustiana, Willy Brianno

Indonesian Petroleum Association

.... This layer produces large long and short spatial wavelength statics that are difficult to resolve with standard processing techniques (refraction...

Analyzing the impact of additive and multiplicative noise on seismic data analysis

Akshika Rohatgi, Andrey Bakulin, Sergey Fomel

International Meeting for Applied Geoscience and Energy (IMAGE)

..., The University of Texas at Austin SUMMARY Multiplicative noise presents a distinct challenge in image processing problems. While seismic noise has...

Phase pilot recovery: A foundation for mitigating speckle scattering noise in seismic data

Akshika Rohatgi, Andrey Bakulin, Sergey Fomel

International Meeting for Applied Geoscience and Energy (IMAGE)

... scattering can introduce significant distortions in deep reflection data (Bakulin et al., 2022). As a result, even after standard processing, land seismic...

Data Enhancement from a 486-Channel Streamer

Bill Dragoset, Ken Larner

Pacific Section of AAPG

...: its estimation and use in geophysical data processing: Geophysics, v. 32, p. 602-616. Savit, C. H., 1977, A 500-channel streamer system: Offshore...

Seismic-based paleoenvironmental analysis of the Paleocene carbonate shelf in Ajdabiya Trough, north-central of Libya

Abdeladim M. Asheibi

Bulletin of Canadian Energy Geoscience (CEGA)

...., Déquirez, P.-Y. and Cailly, F. 2000. Well to seismic calibration: A multiwell analysis to extract one single wavelet. 2000 SEG Annual Meeting...

Abstract: Estimating the Spectra of Small Events for the Purpose of Evaluating Microseismic Detection Threshholds; #90174 (2014)

N. Ackerley

Search and Discovery.com

...on and Heaton (2002) assembled an earthquake database and used octave-wide band-pass filters to determine the peak amplitudes as a function of frequen...

SYNTHETIC SEISMOGRAMS

Search and Discovery.com

Simultaneous 3D 4C - OBC & VSP Walkaway Survey in the Attaka Field, East Kalimantan, Indonesia

Bill Borland, Phil Johnston, Mike Reblin, Suta Vijaya, Omar Kulbrandstad, Muhammad Idrees, Scott Leaney, Jan van de Mortel

Indonesian Petroleum Association

... to the well control, and provides needed input for 4C data processing algorithms, including common conversion point (CCP) mapping, CCP moveout corrections...

Reservoir architecture and porosity distribution, Pegasus Field, West Texas — an integrated sequence stratigraphic-seismic attribute study using neural networks

J. S. Schuelke, J. A. Quirein, J. F. Sarg, D. A. Altany, P. E. Hunt

West Texas Geological Society

... and well data, synthetic seismogram generation, and space adaptive wavelet processing was done to zero the phase, maximize the bandwidth...

Marchenko-based internal multiple attenuation feasibility analysis for a thin-layered media in ultra-shallow water OBN from offshore Middle East

Frederico Xavier de Melo, Suyang Chen, Luis Salinas, Shotaro Nakayama, Nozomi Yamamoto

International Meeting for Applied Geoscience and Energy (IMAGE)

... scattering theory. We review and describe challenges and processing steps required to perform effective internal multiple attenuation on thin-layered media...

Where Is My Horizontal Well? Use of Borehole Seismic Where Velocities Vary Laterally

Agus Muharam, Frank Musgrove

Indonesian Petroleum Association

... dominant frequency wavelet and 8,000 ft/sec velocity, an additional 50 feet error will be introduced. Wavelet processing, analysis of shallow gas...

Exorcising the Ghosts … The New Streamer Technology Launched by PGS

Lasse Amundsen, Martin Landrø

GEO ExPro Magazine

... been an old and longstanding, but as yet unsolved, data processing challenge in exploration geophysics, a unched by PgS where the objective...

ABSTRACT: Three-Dimensional Prestack Inversion, Lobo Trend, South Texas; #90007 (2002)

Anno, Phil, Mark Wuenscher, Robert Corbin, John Hooper, Frank Chlumsky

Search and Discovery.com

... and Discovery Article #90007©2002 AAPG Annual Meeting, Houston, Texas, March 1-13, 2002 Continuous improvements in 3-D acquisition and processing over...