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The AAPG/Datapages Combined Publications Database

Showing 33,130 Results. Searched 200,357 documents.

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Abstract: Orthorhombic Time Tomography: Accounting for Azimuthal Effects in Long-Offset WAZ Data; #90254 (2016)

Jeremie Messud, Christophe Rohel, Gilles Lambaré, and Patrice Guillaume

Search and Discovery.com

... at the reservoir level). The benefit is also illustrated on the final image; indeed, “wobbling” effects are suppressed in pre-stack time migration...

2016

The Utica - Point Pleasant Shale

Satinder Chopra, Ritesh Kumar Sharma, Hossein Nemati, James Keay, TGS

GEO ExPro Magazine

... preconditioned for random noise attenuation by applying structure-oriented filtering (Marfurt, 2006; Chopra and Marfurt, 2007). The pre-stack seismic data were...

2018

Phase-encoded waveform inversion for multiples

Yike Liu, Bin He, Xiao-Bi Xie, Yingcai Zheng

International Meeting for Applied Geoscience and Energy (IMAGE)

.... By adopting the random phase encoding to multiples of different orders, crosstalk artifacts between mismatched multiples can be largely suppressed...

2022

Abstract: INTERPRETIVE SEISMIC DATA PROCESSING ON OPI PHASE-III 2003 DATA; #90150 (2012)

Azhar Jamil Siddiqui and Muhammad Haneef

Search and Discovery.com

... was selected to process the data through and up to post stack time migration processing sequence. This paper will discusses the interaction and choices...

2012

Abstract: Extracting, Understanding & Utilizing Azimuthal Anisotropy Through Depth Imaging; #90316 (2017)

Pavel Vasilyev, Cara Smith, Anna Glushchenko, Paul Marsden, Edgardo Vargas

Search and Discovery.com

..., improving signal to noise and imaging through prestack time migration or through prestack depth migration. We argue that it is essential to have...

2017

Prospect Investigation and De-Risking Using Cognitive Interpretation Workflows, Offshore Equatorial Guinea; #42170 (2017)

Tom Wooltorton, Stephen Leslie, Merritt Smith, Ryan M. Williams, Luis Gomez

Search and Discovery.com

.... ▪ The delivered migrated cubes used Kirchhoff pre-stack time migration, interpolated at 12.5 x 12.5m. ▪ Additional gather conditioning and noise reduction...

2017

Abstract: Separated Wave-Field Imaging: Utilizing the Multiple Wavefield to Improve Sub-Surface Illumination for OBS Surveys; #90319 (2018)

Jyoti Kumar, Tony Martin, Julien Oukili

Search and Discovery.com

... Norway, Oslo, Norway. ABSTRACT Wave-equation migration consists of numerically extrapolating source and receiver wavefields into the subsurface, where...

2018

Large-Scale Seismic Acquisition in Congested, Shallow Water Areas: Observations from Modern OBN Data in the Gulf of Mexico

John Smythe, Henrik Roende, Brad Torry, Richard Griffin

GCAGS Transactions

... survey are met by all azimuth, long offset, high fold and dense subsurface sampling that are requirements of new imaging and noise reduction...

2016

Abstract: Statistical Depth Imaging with Path Summation through Complex Near-Surface; #91204 (2023)

Ilya Silvestrov, Andrey Bakulin, Maxim Protasov

Search and Discovery.com

... the imperfections in the migration velocity model prevent the images from proper focusing, accurate reconstruction of all the near-surface complexities...

2023

Abstract: Land Seismic Single Sensor Data: Comparative Study Before and After Full Processing; #91210 (2025)

Tahar Ben Youssef, Amna Al Dairi, Rabab Al Balushi, Amroo Al Ramadhani, Stanislaw Warzocha, Alexander Muller

Search and Discovery.com

... the same sequence. This sequence consisted of de-blending, linear noise attenuation, denoising, surface consistent amplitude correction, predictive...

2025

Abstract: The Resolution Revolution

Andrew Long

Petroleum Exploration Society of Australia (PESA)

... operations-notably pre-stack migration. Aliased data creates migration noise, which degrades the signal -to-noise quality of all seismic events...

2003

Fault Shadow Issues and Resolution in Model and Real Data

Andrew J. Davidoff, Ika Ratna Novianti

Indonesian Petroleum Association

... meters. The synthetic traces include diffractions and random noise. Processes tested and displayed include Post-STM, Pre-STM, and Pre-SDM. All migrations...

2002

Structural Evolution Using Seismic Low Frequency Magnitude Approach: A Case Study on Defining Strike-Slip Development in West Natuna Basin, Indonesia

Putri Riadini, Oki Rizaldi, Anwarsyah B. Ritonga, Abdurahman, Budiyono

Indonesian Petroleum Association

... and generally related to low or even absent of the energy, while noise is a random event that related to the disturbance while seismic is being recorded...

2020

Volumetric Curvature Attributes for Mapping Faults, Fractures, Depositional and Diagenetic Features

Satinder Chopra and Kurt J. Marfurt

Search and Discovery.com

... which no continuous surface exists. The values of volumetric attributes are two-fold. First, the images have a higher signal-to-noise ratio than...

Unknown

Abstract: Fracture Detection in the Migrated Domain: Practical Aspects of Prestack Time Migration of Azimuthally-limited 3D Land Data Volumes; #90171 (2013)

Mike Perz, Juefu Wang, and Ye Zheng

Search and Discovery.com

... of irregular and/or sparse spatial sampling. This problem was recently explored by Hunt et al., (2008), who sought to minimize migration noise on unstacked...

2013

Identifying Ordered Strata: Evidence, Methods, and Meaning

Peter M. Burgess

Journal of Sedimentary Research (SEPM)

... from Western Tethys: Journal of Sedimentary Research, v. 79, p. 389– 415. Burgess, P.M., 2006, The signal and the noise: forward modeling of allocyclic...

2016

Seismic Lithology (AVO) Interpretation at the Badak and Nilam Fields in the Sanga Sanga Block, Kalimantan

William C. Ade, Ian T. McMahon, Wahyudin Suwarlan

Indonesian Petroleum Association

..., where the random noise is attenuated leaving a resultant response that proved easier to map and gave more stable amplitude estimates. Pre-stack...

1988

Clari-Fi’: Broadband Data from Conventional Streamer Acquisition

Nic Woodburn, Tom Travis, Hassan Masoomzadeh, TGS

GEO ExPro Magazine

... data. This is beneficial for deeper targets as the apparent tilt in the spectrum is minimised. Step 3: Multi-domain Noise Attenuation An important...

2012

OBN up/down-going wavefields separation in dual-tree complex wavelet domain

Zhang Libin, Wang Wei, Zou Zhen, Li Yifan, Chen Zhigang, Wang Kebin

International Meeting for Applied Geoscience and Energy (IMAGE)

... resolution through mirror migration. Precise matching of geophones to hydrophones is crucial for this method to work effectively. Additionally...

2024

Full waveform inversion of simultaneous long-offset data

Nizar Chemingui, Alejandro A. Valenciano, Andrew Long

Petroleum Exploration Society of Australia (PESA)

... gradient that eliminates the migration isochrones; thereby removing the reflectivity imprint from the model updates. The FWI application to the field survey...

2019

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