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The AAPG/Datapages Combined Publications Database

Showing 8,928 Results. Searched 200,630 documents.

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Deep Convolutional Neural Networks for Seismic Salt-Body Delineation; #70360 (2018)

Haibin Di, Zhen Wang, Ghassan AlRegib

Search and Discovery.com

..., 2014a, Gray-level transformation and Canny edge detection for 3D seismic discontinuity enhancement: Computers & Geosciences, 72, p. 192-200. Di, H...

2018

Basement Structure Offshore Dahomey Basin, Nigeria: New Insights from Aeromagnetic and 3D Seismic Interpretation; #42580 (2023)

Eze Okoro, Jibrin Babangida, Mosto Onuoha

Search and Discovery.com

... The HRAM data was subjected to structural enhancement filtering including first vertical derivative (FVD), tilt derivative (TDR) and total horizontal...

2023

Mid-Paleozoic Trilobite Lagerstätten: Models of Diagenetically Enhanced Obrution Deposits

Carlton E. Brett, James J. Zambito IV, Brenda R. Hunda, Eberhard Schindler

PALAIOS

...-related climatic cycles, then diagenetic enhancement also may reflect a regular, periodic signal. In more continuously deposited successions...

2012

Color Blending on Spectral Decomposition Method for Delineating Geological Features

Garda Erlangga, Kahvi Afafa, Sudarmaji

Indonesian Petroleum Association

... resolution in non-stationer signal. Keywords: spectral decomposition, RGB color blending, geological features * University of Gajah Mada © Spectral...

2013

Inverse 4D seismic timeshifts: How much do our reservoirs rebound?

Jan Stammeijer, Duane Mikulencak, Chen Bao

International Meeting for Applied Geoscience and Energy (IMAGE)

... to indicate a later seismic arrival time of the Top Reservoir event on a Monitor survey. Such a signal combines the effects of stretch and velocity reduction...

2023

Five Vintages of 3D Seismic over the Nelson Field of EP Europe UK: Is it Really Feasible to Obtain a Consistent 4D Signal?

Jos B. M. Lutz, Jonathan Brain, Jan W. de Maag, Nico Kremers, Steffen Bergler, and Richard Rogers

GCAGS Transactions

...Five Vintages of 3D Seismic over the Nelson Field of EP Europe UK: Is it Really Feasible to Obtain a Consistent 4D Signal? Jos B. M. Lutz, Jonathan...

2008

Abstract: Generalized Frames for Gabor Operators in Seismic Imaging; #90172 (2014)

Michael P. Lamoureux, Gary F. Margrave, Peter C. Gibson

Search and Discovery.com

... and Peter C. Gibson York University, Toronto ON Canada Summary Gabor methods deal with nonstationarity in seismic signals by decomposing a signal...

2014

Sedimentology and Accommodation Cycles of Paris Basin Campanian Chalk: The Key to High-Resolution Stratigraphy and Seismic Signature

Monique Mettraux, Peter Homewood, Anne Schwab, Francois Guillocheau

Special Publications of SEPM

... of the chert layers on the seismic signal has never been investigat ed although previous work Kristensen et aI 1995 has shown that a hardground within...

1999

Geophysical Interpretation of Pinedale Field

Sally G. Zinke

AAPG Special Volumes

.... In the case of seismic data, the tradeoff is the expression of the physical implications of signal attenuation, that is, the decrease in seismic signal...

2014

Complex Electrical Conductivity of Mudrocks and Source-Rock Formations Containing Disseminated Pyrite

Siddharth Misra, Carlos Torres-Verdin, Dean Homan, John Rasmus,

Unconventional Resources Technology Conference (URTEC)

... tool, WCEMIT measurements have both a resistive (R-signal) and a reactive component (X-signal). We analyze tool measurements (R- and X-signal) using...

2015

Remote Sensing for Analysis of Mine Subsidence and Mine Wastes

Douglas C. Peters, K. Eric Livo, Phoebe L. Hauff

Environmental Geosciences (DEG)

... interpretable images. Contrast enhancement was used, before putting the images on film, to maximize their spatial and spectral detail. Both single-band...

1996

Application of Precise Acoustic Positioning Techniques During the Development of the Liuhua Field in the South China Sea

John D. Hughes, Nigel C. Kelland

Southeast Asia Petroleum Exploration Society (SEAPEX)

... on the seabed as the rig heaved. When the bit bag was on or near the target bag placed by the ROV, the casing could be spudded. This visual enhancement...

1996

Seismic Stratigraphy and Hydrocarbon Potential of the Strike-Slip Sackville Sub-Basin, New Brunswick

A. Tom Martel

CSPG Special Publications

... of the seismic signal. In contrast, a series of horizontal, high-velocity, mafic flows sandwiched between basement, felsic extrusives and sediments should...

1987

Characterizing the Seismic Response of Naturally Fractured Basement Reservoir in Sumatra Area: Towards an Efficient Seismic Exploration Strategy

Pongga Wardaya, Vida Irine Rossa, Erlangga Septama, Richie Rahmat Pratama, Rusalida Raguwanti

Indonesian Petroleum Association

... give a false signature in the seismic signal recorded by the receivers. Since the wavelength is proportional to frequency, and the seismic source...

2021

Imaging of Cathodoluminescence Zoning in Calcite by Scanning Electron Microscopy and Hyperspectral Mapping

Martin R. Lee, Robert W. Martin, Carol Trager-Cowan, Paul R. Edwards

Journal of Sedimentary Research (SEPM)

... is increased such that CL emission from a given point makes a negligible contribution to the total signal from subsequent points. The dwell-time required to form...

2005

A case study of cavity excitation method for seismic acquisition in the limestone outcrop area of eastern Sichuan, China

Xiaoyang Wang, Min Li, Xiaobin Zhang, Shuqin Li, Zhichao Yang, Longjiang Jing, Zhen Yang, Yanfa He, Xiaohong Zhao, Mingyi Li, Hao Zhang

International Meeting for Applied Geoscience and Energy (IMAGE)

... in natural gas resources and is the basin with the most potential for natural gas exploration and development in China. The problems of low signal...

2022

Low Frequency Shadow Zone Analysis Based on CWT Spectral Decomposition: Case Study of South Sumatra Basin

Abdul Haris, I Nengah Suabdi, Erwinsyah, Adriansyah, Abdullah Nurhasan, Ahsanul Khair, Ian A. Kainama

Indonesian Petroleum Association

...’ of a seismic signal, aims to characterize the time-dependent frequency response of subsurface rocks and reservoirs. One of the methods for computing a time...

2008

Changes in Porosity and Organic Matter Phase Distribution Monitored by NMR Relaxometry Following Hydrous Pyrolysis Under Uniaxial Confinement

Kathryn E. Washburn, Justin E. Birdwell, Michael D. Lewan, Michael Miller

Unconventional Resources Technology Conference (URTEC)

... of this hydrogen relaxes too quickly to be measured by LF-NMR equipment, but some of the signal from organic solids can be detected. Therefore, to adequately...

2013

Broadband 4D Seismic Provides New Level of Detail

Yulia Biryaltseva, Tor Vegar Mårdalen, Per-Harald Saure-Thomassen, Marta Wierzchowska, Anastasiya Tantsereva, Julien Oukili

GEO ExPro Magazine

... Tantsereva, Julien Oukili Broadband 4D Seismic Provides New Level of Detail Understanding new details in the 4D seismic signal uncovered by a broadband...

2020

Simultaneous source acquisition, accuracy, and deblending

Ray Abma

International Meeting for Applied Geoscience and Energy (IMAGE)

... Separating the signal and the interference requires that the signal be coherent and the interference be incoherent. This requires the source times...

2024

Full Wave Acoustic Logging: Some Examples

John W. Minear

Southeast Asia Petroleum Exploration Society (SEAPEX)

... is available in the acoustic signal. The objective of full-wave acoustic logging is to use more of this information to determine formation properties. Full...

1984

Assessment of the permanent seismic sources for borehole seismic monitoring applications: CO2CRC Otway Project

Sinem Yavuz, Julia Correa, Roman Pevzner, Barry Freifeld, Todd Wood, Konstantin Tertyshnikov, Sofya Popik, Michael Robertson

Petroleum Exploration Society of Australia (PESA)

... signal. Furthermore, permanently installed distributed acoustic sensing (DAS) in the wells allowed us to evaluate their long-term applicability...

2019

Revealing a Shaly (Tight) Sand Reservoir's Distribution by Applying an Untapped Sub-Frequency Combination Method: A Case Study in the West Jambi II Block, South Sumatra Basin

Indra Luthfiana, C. Maya Resha Tuhar, Endi Erfanto, Randy Condronegoro, Hendra Niko Saputra, Abghia Dini Fanzuri, Yan Wijaya, Totok Parafianto

Indonesian Petroleum Association

... sub band frequencies. A number of potential sub band frequencies were selected based on a 1D signal analysis (Complex CWT) where the results from sub...

2018

Uncertainty in Surface Microseismic Monitoring; #41258 (2013)

Mike Mueller, Michael Thornton, and Leo Eisner

Search and Discovery.com

... to illustrate the performance characteristics of the migration process in terms of signal detection and false-alarm rates, along with uncertainties...

2013

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