Gippsland Basin, Australia: New Data Reveals Further Potential in a Mature Basin

Jarrad Grahame, Keat Huat Teng, Iain Burnie, CGG

GEO ExPro Magazine

... velocity updates, using both the ReGeneration reprocessing and the new data, will be completed by the end of 2021, with further uplift expected...

Evaluating HD weathering surveys and surface seismic with DAS in a sand dune environment

Andrey Bakulin, Ezzedeen Alfataierge, Roman Pevzner

International Meeting for Applied Geoscience and Energy (IMAGE)

.... Figure 4 shows examples of selected shot gathers. Detailed analysis is outside of the scope of this work and will be reported in separate publications...

Recovering Subsurface Coverage in the Emerging Smackover Brown Dense Unconventional Play in Northern Louisiana, #80515 (2016).

Richard Verm

Search and Discovery.com

... signal-noise ratio of the tiles using advanced noise attenuation techniques 3D  Pre-­‐Stack  Migra8on   3D  Pre-­‐Stack  Migra8on  Gathers...

Refraction multiple attenuation by pattern-based machine learning with a case study

Chunming Wang, Xiaohong Chen, Yongsheng Wang, Christof Stork, Sissy Theisen, Seann Day, Junru Jiao, Grace Yan, Xianhuai Zhu

International Meeting for Applied Geoscience and Energy (IMAGE)

... and results We resolve refraction multiples using a pattern-based ML approach that analyzes energy patterns on all shot and receiver gathers to find...

Abstract: The Effect of Bedding Plane Orientation Towards P-Wave Velocity of Berea Sandstone at Different Water Saturation Degree (Paper P25)

Hammad Hazim Bin Mohd Azhar, Zuhar Zahir Tuan Harith

Geological Society of Malaysia (GSM)

... that anisotropic effect took place in affecting the P wave velocity value. The results obtained were then modeled using Gassmann’s theory and it was found...

Seismic Detection of Gas in Cretaceous Sandstones and Fractured Sandstones

Walter E. Johnson, William T. Brown Jr., James B. Peterson

Rocky Mountain Association of Geologists

... AVO technology successful. First, the development of the CDP (common depth point) method occurred in the 1960’s as a means to improve the signal...

ABSTRACT: Imaging Through Gas Clouds: Case Histories from the Gulf of Mexico; #90007 (2002)

Knapp, Steve, Nigel Payne, Tony Johns

Search and Discovery.com

... will be compared to identify improvements in data quality with the added benefit of providing gathers suitable for AVO analysis. Future Work As can...

Pre- and Post-Injection Vertical Seismic Profiling over the Southwest Regional Partnerships Phase II Fruitland Coal CO2 Pilot; #80104 (2010)

Tom Wilson, Les Nutt, Ric Smith, Jitendra Gulati, Marcia Coueslan, Dwight Peters, Art Wells, Craig Hartline, George Koperna, Bill Akwari

Search and Discovery.com

... is complex and reflection discontinuity common. An isopach of the Fruitland sequence (D) reveals considerable variation in traveltime through the Fruitland...

Image processing of jointly acquired 3D DAS-VSP data with an OBN survey in the Middle East

G. Yu, H. Liu, Y. Zhang, H. Chen, X. Li, L. Duan, G. Cambois, J. Cowell, J. Mason, Y. Chen, J. Wu

International Meeting for Applied Geoscience and Energy (IMAGE)

... the computational cost and velocity sensitivity reported in Sava and Fomel, 2006, we employ the delay time common image gathers (DTCIGs) to form our Joint Domain...

3-D Seismic Applications for Environmental and Groundwater Reconnaissance

Donald J. Marlin , William H. Schramm , and Robert M. Mayer

GCAGS Transactions

... in the use of common reflection point techniques, Geophysics, Vol. 39, p. 225-229. Ongkiehong, L. and H.J. Askin, 1988, Towards the universal seismic...

Deep learning seismic full-waveform inversion and transient EM joint inversion for near surface velocity modeling

Daniele Colombo, Ernesto Sandoval-Curiel, Ersan Turkoglu, Weichang Li

International Meeting for Applied Geoscience and Energy (IMAGE)

... an original surfaceconsistent workflow to reduce the dimensionality to 1.5D common midpoint virtual super gathers (VSG). Deep learning (DL) training takes...

ABSTRACT: Multiple Prediction and Subtraction from Apparent Slowness Relations In 2D synthetic and Field Ocean-bottom Cable Data and 3D Synthetic Data; #90113 (2010)

Juanjuan Cao and George A. McMechan

Search and Discovery.com

... and common-receiver gathers. No knowledge of the subsurface velocity is required. Traveltimes of the direct waves and primary reflections need...

Analysis of the Hydrocarbon Sandstone Distribution Using Rock Physics and Petrophysics Calculations, Simultaneous Inversion, Extended Elastic Impedance (EEI) and Curved Pseudo-Elastic Impedance (CPEI) in X Field Bonaparte Basin

Alfan Hidayah Kusuma, Meta Nisrina Syafitri, Zakki Fahrurrozi

Indonesian Petroleum Association

...Analysis of the Hydrocarbon Sandstone Distribution Using Rock Physics and Petrophysics Calculations, Simultaneous Inversion, Extended Elastic...

Reducing seismic quantitative interpretation uncertainty in complex geological environments: A case study from offshore Australia

Andrea Paxton, Lianping Zhang, Abdul Kholiq, Lee Davey, Richard Bisley, Dominic Fell, Leo Leon, James Shadlow

International Meeting for Applied Geoscience and Energy (IMAGE)

... velocity model across the large survey area produced by a proprietary workflow combining FWI and common-image point (CIP) Tomography updates (Woodward...

G. Non-Normal Incidence Reflections and the Determination of Lithology - Use of Shear Waves and Amplitude with Offset

Norman S. Neidell

AAPG Special Volumes

..., respectively) terminates toward the center of the figure. This feature provides a point in common on both sections from which to study the correlations...

Velocity Model Building Using Tilted Orthorhombic Depth Imaging for Full Azimuth Seismic Data

Yunfeng (Fred) Li, Qiaofeng Wu, Chuen-Song Chen

GCAGS Journal

..., the wobbling effects in the snail gathers are greatly reduced (Figs. 10A Velocity Model Building Using Tilted Orthorhombic Depth Imaging for Full...

The North Sea: Deep Imaging

Jørn B. Christiansen, TGS

GEO ExPro Magazine

.... The majority of clients ordered pre-stack gathers, but TGS discovered that few of them were using this data. This appears to result from a lack...

Abstract: Full-Waveform Inversion of Field Data in the Foothills: Results and Challenges with Long-Offset Seismic; #90172 (2014)

Andrew J. Brenders, R. Gerhard Pratt, Sylvestre Charles

Search and Discovery.com

... for fullwaveform inversion, these data provide an excellent opportunity for demonstrating the efficacy of full-waveform inversion in building velocity models...

ABSTRACT: Shallow Nile Delta: Data Challenges and Possible Solutions, by Garcea, Bruno; Carbonara, Stefano; Tornaghi, Milly; Sonika, Sonika

Search and Discovery.com

Fluid Substitution as an AVO Calibration for Quantifying Uncertainty of Gas Presence in Late Miocene Binio Sandstone, Kampar Area, Central Sumatra Basin

Istiqlal Dalimunthe, Pamela Amelia Barus, Jhon Johannes Wood, Febrie Ekaninggarani

Indonesian Petroleum Association

... the relationship between amplitude and hydrocarbon. common reflection point. The amount of compressional energy recorded at the surface is dependent...

Exploration of Deepwater Regions Offshore India

Roberto Fainstein, Rajesh Kalra

International Meeting for Applied Geoscience and Energy (IMAGE)

.... If gathers are flat this initial velocity model is inherently correct and gives rise to the initial PSDM section. If the gathers are not flat...

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user1

Search and Discovery.com

... using common image gathers (CIG) and a comprehensive post stack sequence. An advanced signal processing flow for denoise and de-multiple, combined...

S-Wave Analysis of Fracture Systems, by Bob A. Hardage and Michael V. DeAngelo, #40227 (2006).

Search and Discovery.com

Abstract: Interferometric Assessment of Clamping Quality of Borehole Geophones; #90224 (2015)

Yoones Vaezi and Mirko van der Baan

Search and Discovery.com

..., Calgary, Alberta. Vaezi, Y., and van der Baan, M., 2014, Analysis of instrument self-noise and microseismic event detection using power spectral density...

Filter-Bank Strategies for Efficient Computation of Radon Transforms for SNR Enhancement

Mauricio D. Sacchi

Search and Discovery.com

... efforts in Radon data processing entail the development of multi-parameter Radon transforms to process 2D and 3D gathers. In particular, we...