High-resolution imaging using least-squares migration in the image domain (LSMi) for a marine distributed acoustic sensing (DAS) 3D-VSP

Ali Sayed, Francesca Twynam, Ran Bachrach, Maud Cavalca, Leo Leon, Maria Shadrina, Qingsong Li, Reetam Biswas, Daniel Tebo, Sam Buist

International Meeting for Applied Geoscience and Energy (IMAGE)

... pulse. DAS sensor response is known to differ from the conventional geophone in frequency and amplitude (Bakku, 2015; Sayed et al., 2020, 2021...

Seismic Enhancement Resolution in Penobscot Field With Short-Time Fourier Transform Half Cepstrum Method

Taufiq Brilliant Askari, Intan Andriani Putri

Indonesian Petroleum Association

.... The increase of seismic resolution could be seen in the improvement of tuning thickness from 74,382 m to 52,135 m. The use of enhanced seismic data also...

Improving emergency preparedness: a joint emergency drill for a hydrogen sulphide gas leak and tank fire incident based on a Major Accident (MAH) scenario in an upstream oil and gas plant

Meddy Harjanto, Rifqi Taufik Alhakim, and Hendra Awali Putra

Indonesian Petroleum Association

... H2S gas leak and tank fire incident and also other Major Accident scenarios due to industrial failure. There are 10 (ten) recommendations that arise...

Extended Abstract: Improving U.S. Gulf Region Streamflow Predictions from the U.S. National Water Model with Machine Learning

Jonathan Frame

GCAGS Transactions

... 234 Vol. 70 (2020) No. 1. Hydrological science is in the midst of an exciting revolution with rapid improvement coming in two ways: (1) The domain...

Understanding The Mesozoics Beyond Basalt: A Case Study Of Sub-Basalt Imaging

S. Sengupta, S. K. Goswami, G. Menzel-Jones, B. Chowdhury, Artem Sazykin

Indonesian Petroleum Association

... Province of India is considered as one of the largest basalts-covered regions in the world, formed due to extensive outpouring of basaltic lavas during...

Anisotropic Multi-Azimuthal Velocity Model Building and Depth Imaging on Tulip 3D Coil Shooting Survey

Michele Buia, Suyang Chen, Olga Zdraveva, Swee Leng Ng, Martin Bayly, Michelle Tham

Indonesian Petroleum Association

...) dataset include not only the illumination improvement, increase in signal-to-noise and event continuity, reducing multiples and enhancing amplitude...

Improvement of Seismic Depth Imaging on Carbonate Reef Through the Application of Common Reflection Angle Migration: An Example From Salawati Basin, Indonesia

Search and Discovery.com

Subsalt Imaging: An Integrated Approach to Image Improvement of Vintage Data

Search and Discovery.com

Multiple Milankovitch Cycles in the Bridge Creek Limestone (Cenomanian-Turonian), Western Interior Basin

B.B. Sageman, J. Rich, M.A. Arthur, W.E. Dean, C.E. Savrda, T.J. Bralower

Special Publications of SEPM

... by organic production, by preservation due to water column stratification and resulting oxygen deficiency, or to a combination of both? and (4) Does...

Abstract: Greedy Least-Squares and its Application in Radon Transforms; #90171 (2013)

Juefu Wang and Mark Ng

Search and Discovery.com

... the five key components for a greedy implementation. First we can recognize the amplitude of the Radon panel in a 2D model space (tao and p...

Abstract: Interpolation by Angular Deconvolved prior MWNI (AdMWNI); #90224 (2015)

Mark Ng and Dan Negut

Search and Discovery.com

... as proposed in this paper, equation (4) becomes a deconvolution operator de-emphasizing the ‘damaged’ input amplitude spectrum due to missing data...

Amplitude Versus Offset (AVO) Analysis: Part 7. Geophysical Methods

Allan T. Long, R. C. Anderson

AAPG Special Volumes

...). Areas of importance include (1) generalized amplitude corrections, (2) signal to noise ratio improvement, (3) robust deconvolution, and (4) Fig. 1...

Reprocessing the East Coast Canada Stonehouse Survey with 3D SRME and Hybrid Layer Tomography PreSDM; #41549 (2015)

Todd Mojesky, Ali Karagül, Bill Goodway, Chris Szelewski, Martin Dashwood

Search and Discovery.com

..., after an adaptation for phase and amplitude errors. Since each shot is essentially processed independently, the algorithm is extremely efficient...

Baram Field „ The 3D Marine Re-Processing Challenge

Jörg J. Wicker, Jonathan E. F. Stearn

Geological Society of Malaysia (GSM)

... migration (Fig. 13). The 3D pre-stack time migrated result did not show a significant improvement over the 3D poststack time migration possibly due...

Improving 4D signal using advanced 4D workflows: A case study from Gulf of Mexico

Vincent Durussel, Jianxiong Chen, Abhishek Raj, Bartosz Szydlik, Markos Sourial, Joseph Rafik Hanna, Gabriel Mattei, Leslie Bartsch

International Meeting for Applied Geoscience and Energy (IMAGE)

... study arise from timing and spatial disparities due to water velocity and environmental changes during different periods of acquisition...

Fast Gauss-Newton full-wavefield migration

Siamak Abolhassani, Eric Verschuur

International Meeting for Applied Geoscience and Energy (IMAGE)

... are true: their input dataset is regularly sampled, free of multiples, and free of converted waves; there is no amplitude problem in their input dataset due...

Abstract: The Cement Bond Log, A Sonic Method for Analyzing the Quality of Cementation of Borehole Casings

M. Grosmangin, F. P. Kokesh, and P. Majani

Houston Geological Society Bulletin

... from the source. The amplitude of the detected pulse is measured and the resulting signal is transmitted to the surface where it is recorded versus...

Abstract: Multiple and Noise Attenuation with Tau-P Seismic Data Processing

Leong Lap Sau, Ng Tong San

Geological Society of Malaysia (GSM)

... ratios. Substantial improvement has been found from stacked sections with T-p filtering. Depending on the application further understanding...

Abstract: The Effects of Seismic Data Conditioning on Pre-Stack Simultaneous Impedance Inversion, by Scott W. Singleton; #90085 (2008)

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Abstract: Case Study of Advanced Seismic Imaging to Illuminate Low Reflectivity Carbonate Reservoirs in Offshore Abu Dhabi, UAE; #91204 (2023)

Mohamed Mahgoub, Khalid Obaid, Oleg Khakimov, Saif Al Mesaabi

Search and Discovery.com

...-amplitude surface waves; multiples; near surface velocity and amplitude variations. We overcame these challenges by implementing an innovative...

Elastic FWI imaging of a complex presalt structure using NATS data

Arthur Henrique, Luiz Felão, Sergio Barragan, Florian Jouno

International Meeting for Applied Geoscience and Energy (IMAGE)

... noticeable improvement over the legacy RTM (Figure 1a). This demonstrates that uplifts in the FWI Images are not only due to kinematic changes related...

Using 3mD Seismic to tmprove Definition of a Bighorn Basin Anticline, Badger Basin Field, Park County, Wyoming

Jerome P. Walker, Daniel D. Hollis, Kevin M. Revels, Kenneth L. Grubbs

Rocky Mountain Association of Geologists

... significant improvement in the structural interpretation of the field. The crestal axis of the fold and lateral extent of cross-cutting normal faults...

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A New Seismic Attribute Aids to Map the Embedded Geological Features from Low Bandwidth Seismic Data; #40720 (2011)

R.C.P. Saxena and S.K. Pokhriyal

Search and Discovery.com

... lose a lot of information during seismic processing sequence e.g. amplitude is lost due to automatic gain control, stacking changes frequencies...

High-Resolution Sequence Stratigraphic Modeling 2: Effects Of Sedimentation Processes

John S. Carey, Donald J. P. Swift, Michael Steckler, Christopher W. Reed, Alan Niedoroda

Special Publications of SEPM

... The observed improvement in preservation potential on the shelf result of results occurs above from less intense subaerial erosion Subaerial...