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The AAPG/Datapages Combined Publications Database

Showing 966 Results. Searched 196,371 documents.

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ABSTRACT: Seismic depth imaging of structures with complex overburden in offshore Ukraine; #90109 (2010)

O. Tiapkina, Z. Voitsytski

Search and Discovery.com

..., seismic data processing in Ukraine is still being performed in the time domain, and prestack depth migration (PSDM) has as yet not become quite...

2010

Core Analysis with Unilateral Magnetic Resonance … Bitumen Measurements in Alberta Tar Sands

Bruce J. Balcom

Search and Discovery.com

... and Igor Mastikhin University of New Brunswick, Fredericton, NB, Canada and Emil Veliyulin SINTEF, Trondheim, Norway Low field time domain Magnetic...

Unknown

Abstract: Sensitivity Analysis and Application of Time-lapse Full Waveform Inversion: Synthetic Testing, and Field Data Example for Monitoring An Underground Gas Blowout, The North Sea, Norway; #90254 (2016)

Hadi Balhareth, Martin Landro

Search and Discovery.com

..., time-domain, FWI for monitoring a shallow, weak velocity change (-30 m/s, or -1.6 %). The investigation provides us with practical tips for a better...

2016

Abstract: Constrained 3D VTI Full Waveform Inversion of Wide Azimuth Data from the Red Sea, Saudi Arabia; #90254 (2016)

Young Seo Kim, Constantine Tsingas

Search and Discovery.com

... isotropic (VTI) operator with zero shear wave vertical velocity in the time domain (2nd order in time and 8th order in space) for the computation...

2016

Abstract: Diabase Sill Intrusions in the Parnaiba Basin: Imaging Challenges, Velocity Modeling and Seismic Interpretation; #90255 (2017)

Diogo Michelon, Roberto Ribeiro, João Caldeira, Paulo Roberto Cunha, Frederico Miranda

Search and Discovery.com

... was: reflectors interpreted in the time domain seismic data; synthetic seismograms calibration from drilled wells; construction of the geological model...

2017

Abstract: Surface-To-Borehole TFEM Data Acquisition System Development and Field Test; #90319 (2018)

Gang Yu, Zhanxiang He, Zhigang Wang, Yang Cao

Search and Discovery.com

...., Zhuozhou, Hebei, China. ABSTRACT A surface-to-borehole time-frequency domain EM (TFEM) data acquisition system has been developed and a successful field...

2018

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

Ilya Silvestrov, Andrey Bakulin, Maxim Protasov

Search and Discovery.com

... in several applications in the time domain, including stack to zero offset, time-migration, velocity analysis, and diffraction imaging. Extending these ideas...

2023

Abstract: Seismic Data Reconstruction Using the Nonlinear Beamforming Framework; #91204 (2023)

Yimin Sun and Quentin Hirsch

Search and Discovery.com

... are reconstructed, we go back to the time domain and use a cubic spline interpolation to reconstruct wavefields at predefined time-sample locations of each trace...

2023

Acquisition

Search and Discovery.com

N/A

N/A

Experiment on the Selection of Time-Transgression Predictive Seismic Attributes; #120167 (2014)

Yawen He, Hongliu Zeng

Search and Discovery.com

...), then converted to time domain (Figure 1B). 30-Hz synthetic seismic data (Figure 1C) were utilized here as the normal-frequency seismic representation...

2014

Large-scale 3D Inversion of Helicopter Electromagnetic Surveys for Oil Sands Exploration near Fort McMurray, Alberta, Canada; #41303 (2014)

Leif H. Cox, Glenn A. Wilson, Michael S. Zhdanov, Jonathan Rudd, and John Wilson

Search and Discovery.com

... Helicopter time-domain electromagnetic (HTEM) systems have dominated the airborne electromagnetic (AEM) industry for mineral exploration...

2014

Application of Visco-Acoustic Full Waveform Inversion to Shallow-Water, Shallow-Gas Data, #41802 (2016).

Xin Cheng, Ronan Petton, Ian Anstey, Wai-Leong Lai, Denes Vigh, Gavin Menzel-Jones

Search and Discovery.com

... attenuation, respectively. Thus, using the real part only, we obtained a new approximate phase-only visco-acoustic wave equation in the time domain as: (4...

2016

A Comparison between Geostatistical Inversion and Conventional Geostatistical-simulation Practices for Reservoir Delineation

C. Torres-Verdn, A. Grijalba-Cuenca, H. W. J. Debeye

AAPG Special Volumes

... to a processing step aimed at correcting and reducing the effect of bad caliper readings).Figure 3 is a time-domain cross section of the well-log...

2006

Anomalies Indicate Potential

Aslak Myklebostad, Svein Ellingsrud

GEO ExPro Magazine

... with source signals transmitted as pulses in time domain, result in a deeper imaging as well as the ability to record near-offset data, giving rise...

2019

A New Method of Multiple Attenuation: Multiple Identification and Subtraction

Search and Discovery.com

... transform in time domain provides a further improvement of the resolution in the curvature direction in many cases compared with that in the frequency domain...

2013

Abstract: Time Domain Least-squares Prestack Migration; #90172 (2014)

Ricardo C. Rebollo, Mauricio D. Sacchi

Search and Discovery.com

...Abstract: Time Domain Least-squares Prestack Migration; #90172 (2014) Ricardo C. Rebollo, Mauricio D. Sacchi AAPG Search and Discovery Article #90172...

2014

Computer-Aided Well Log Correlation (1)

J. H. FANG , H. C. CHEN , A. W. SHULTZ , and W. MAHMOUD

AAPG Bulletin

...) also employed cross correlation but, in addition, introduced the Fourier transform to give a "stretched" time domain signal (in order to take care...

1992

Abstract: Estimation of Q: a Comparison of Different Computational Methods; #90187 (2014)

Peng Cheng and Gary F. Margrave

Search and Discovery.com

... demonstrate that the time-domain match-filter method is more robust to noise and more suitable for application to reflection data than other three...

2014

Hydraulic fracture aperture estimation using low frequency DAS and DSS in Austin Chalk and Eagle Ford Shale

Xiaoyu Zhu, Jonathan Ajo-Franklin, Julia Correa, Yuanyuan Ma, Jaewon Saw, Linqing Luo, Kenichi Soga

International Meeting for Applied Geoscience and Energy (IMAGE)

... and dynamic Brillouin optical time domain reflectometry (BOTDR)-based system (Luo et al., 2019). DAS has a gauge length of 10 meters, < 1 µe sensitivity and 1...

2023

Interpretative Filtering

Leila Ajjabou, Maëlle Bourdais, Natalia Gritsajuk, Sébastien Lacaze, Jean-Philippe Adam

Australian Petroleum Production & Exploration Association (APPEA) Journal

... and geology is better preserved. Finally a back transformation is used to revert to the regular time domain. Extracted artefacts are scanned carefully to ensure...

2017

Illuminating Reservoirs With Electromagnetics

Leonard J. Srnka

Indonesian Petroleum Association

... processing, analysis, and interpretation is performed using frequency-domain multicomponent techniques, although time-domain single-component CSEM...

2008

Seismic Guided Drilling (SGD*): A New Technology for Look-Around and Look-Ahead of the Bit Prediction During Drilling

Nader C. Dutta, Sherman Yang, Jianchun Dai, Aranya Bhaduri, S. Chandrasekhar, Firoze Dotiwala, C.V. Rao

Indonesian Petroleum Association

... and suggested a two-step process to obtain “propagation or rock velocity”: first, perform depth imaging and then go back to time domain...

2012

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