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The AAPG/Datapages Combined Publications Database

Showing 18,799 Results. Searched 200,357 documents.

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Time Frequency Gathers: An Optimal Spectral Decomposition Analysis Approach

Badsha Basu Roy

Indonesian Petroleum Association

... range of new complex attribute traces generated is between 1 to 75 Hz (Figure 4) based on amplitude spectrum (Figure 3) for comprehensive frequency...

2016

New imaging method of fractured-cavity reservoir based on seismic spectrum decomposition: A case study of the Halahatang Oilfield, Tarim Basin, NW China

Chaozhong Ning, Yong Li, Xingfang Liu, Qi Wang, Xiaojuan Deng, Hongliu Zeng, Yintao Zhang, Xiaoming Wang, Jun He, Weiwei Wang

International Meeting for Applied Geoscience and Energy (IMAGE)

... decomposing. Figure 2: Frequency spectrum of seismic data used in this study. Data sampled at 3900 to 4600 ms (5650–7800 m). Method4600 ms (5650...

2024

Reservoir Studies and Inversion of Seismic Traces: ABSTRACT

E. Rainon

AAPG Bulletin

... surface seismic data have a sufficiently broad frequency spectrum, the inversion improves the detection of thin beds and lateral facies changes. Two...

1979

Washover of Deltaic Barriers on Louisiana Coast: ABSTRACT

Ron Boyd, Shea Penland

AAPG Bulletin

... elevation, its frequency of occurrence, and regional barrier geometry. Washover deposits on Louisiana barriers commonly account for over 50% of total...

1981

Understanding the causes of low frequency shadow below gas hydrates

Ayman Noor M. Qadrouh, Saad Alajmi

Petroleum Exploration Society of Australia (PESA)

... of the centroid frequency of the power spectrum is estimated as a function of the travelled distance. Then, 1D experiments perform to quantify the frequency loss...

2019

Application of Inverse-Q Filter and Deconvolution to Improve Seismic Data Quality in the Deep Section

Deddy F. Djanawir, Frans Langitan

Indonesian Petroleum Association

... gives the highest confidence in the velocity picking process. Amplitude Spectrum In the early time window (600-1200 ms TWT), the signal frequency...

2004

Abstract: Making FX Interpolation More Robust by Spectrum-guided Reconstruction; #90171 (2013)

Mostafa Naghizadeh and Mauricio Sacchi

Search and Discovery.com

... the low frequency reconstructed spatial data. 3. Compute the power spectrum using expression (3). AAPG Search and Discovery Article #90171 CSPG/CSEG...

2013

Data-Driven Quantitative Reservoir Characterization and New Insights in Pubei Field of Turpan-Hami Basin, Western China, #41857 (2016).

Jianbin Ran, Haiyin Li, Zhengtao Hu, Zhe Zhu, Jia Chen, Xuejun Wang

Search and Discovery.com

... the uncertainty of seismic data interpretation. In 2014, seismic low-frequency 3D survey of 304 km2 was completed by BGP, with a frequency spectrum of 6...

2016

Abstract: Magnitude, Scaling, and Spectral Signature of Tensile Microseisms; #90224 (2015)

David W. Eaton

Search and Discovery.com

... the low-frequency displacement spectrum. In the case of tensile rupture, there is less ambiguity and source radius (a) can be related to moment magnitude...

2015

Advances on land vibroseis source technology towards low frequencies

Zhouhong Wei

International Meeting for Applied Geoscience and Energy (IMAGE)

... categories of nonlinear control algorithms were designed to handle these nonlinearities in three frequency bands. Figure 5. Frequency-Time variant spectrum...

2024

Study of Seismic Anomalies in the Frequency Spectrum as a Hydrocarbon Reservoir Characterizer; #42596 (2025)

Argenis Pelayo, Ivan Omaña

Search and Discovery.com

...Study of Seismic Anomalies in the Frequency Spectrum as a Hydrocarbon Reservoir Characterizer; #42596 (2025) Argenis Pelayo, Ivan Omaña Click to View...

2025

Shelf-Break Circulation, Fronts, and Physical Oceanography: East and West Coast Perspectives: ABSTRACT

Leonard J. Pietrafesa

AAPG Bulletin

... front. At the high-frequency end of the current spectrum, the semi-diurnal tide and inertial currents are dominant. Subinertial frequency motions...

1981

-- no title --

user

Search and Discovery.com

... is introduced. First, the low frequency (nonaliased) part of the data is reconstructed. Using data inside the reconstructed band, a Multi-Step Auto-Regressive...

Unknown

-- no title --

user

Search and Discovery.com

... is introduced. First, the low frequency (nonaliased) part of the data is reconstructed. Using data inside the reconstructed band, a Multi-Step Auto-Regressive...

Unknown

New Approach: Using Relative Inversion with Spectral Decomposition to Distinguish Thin Layers in the 33-Series Sand Reservoirs of the Widuri Field, Southeast Sumatra, Indonesia

Ratih Muliani, Reza Widiatmo, Heri Gunawan, Pranowo Nugroho, Hairunnisa, Awal Mandong, Rino Saputra

Indonesian Petroleum Association

.... Therefore, interpretation was conducted in the Time-Frequency domain because interference patterns were observed in the amplitude spectrum of the seismic...

2018

Low Frequency Passive Seismic Method For Hydrocarbon Indicator in the X-Field, Trembes Area, East Java Basin

Ricky Sitinjak, Sumarsono, Budi Eka, Suherman

Indonesian Petroleum Association

... a low frequency signal. This passive seismic method therefore suggests a positive relationship between microtremor wave spectrum and the hydrocarbon...

2014

Frequency Attenuation: A Fracture Indicator

Ilyas J. Najmuddin

Houston Geological Society Bulletin

... window of 400 ms. The frequency spectrum is taken for each time window above and below the chalk for each individual trace. The chalk attenuates higher...

2001

Abstracts: On the Extraction of Seismic AVF Information and the Inversion of Anelastic Reflectivity; #90173 (2015)

Chris Bird, Kristopher Innanen, Laurence Lines

Search and Discovery.com

... with a highly absorptive target. Using forward modeling, we test the effectiveness of the FST for estimating the spectrum of the frequency dependent...

2015

Application of high-resolution reflection seismology to eastern Kansas cyclothems

Ralph W. Knapp

Kansas Geological Society

... spectrum, the wavelet maintains a similar shape as frequency changes. To change the shape of the wavelet, the frequency band in octaves must be changed...

1989

Abstract: Investigating the Low Frequency Content of Seismic Data with Impedance Inversion; #90187 (2014)

Heather J. E. Lloyd and Gary F. Margrave

Search and Discovery.com

...-frequency well-log information to the seismic data spectrum is marked by a cut-off frequency, . The choice of depends on the low-frequency content...

2014

Study of Hydrocarbon Detection Methods in Offshore Deepwater Sediments, Gulf of Guinea; #40999 (2012)

Guoping Zuo, Lv Fuliang, Guozhang Fan, and Dali Shao

Search and Discovery.com

... attribute, frequency attribute, spectrum decomposition method, waveform classification, and cross plot analysis. (1) When a reservoir contains...

2012

ABSTRACT: Near-Surface Magnetic Anomalies, Potential Indicators of Seepage andDeep-Seated Faulting; #90007 (2002)

John P. Land, Richard L. Coons, J. David Lazor

Search and Discovery.com

... to record the full spectrum of the magnetic field, from high frequency events of the shallow sediments to the lowest frequency events of magnetic basement...

2002

A statistical method-based approach for frequency-varying residual phase detection and correction

Longxiang Han, Rongwei Xu, Chengliang Wu, Huazhong Wang

International Meeting for Applied Geoscience and Energy (IMAGE)

... multiresolution Gauss filtering methods to achieve frequency constraint in order to reduce the noise impact on the phase. Then, the wavelet spectrum...

2024

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