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The AAPG/Datapages Combined Publications Database

Showing 18,823 Results. Searched 200,663 documents.

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Abstract: White Noise Suppression in the Time Domain … Part I; #90174 (2014)

Patrick Butler

Search and Discovery.com

... a considerable advantage in processing the low amplitudes at the top end of the wavelet's spectrum. It will be shown, with the aid of cross correlations...

2014

Near-Shore Ripples: Some Hydraulic Relationships

A. S. Trenhaile

Journal of Sedimentary Research (SEPM)

.... L., PANOFSKY, H. A., AND VAN DE HOVEN, I., 1956, Power-spectrum analysis over large ranges of frequency: Jour. Meteorology, v. 13, p. 279-282. HARMS...

1973

Surface Source Technology

Stan D. Brasel

Pacific Section of AAPG

... and hence the broader the frequency spectrum. On the right side of Figure 4 is shown Model 735 pulses from two test locations. The only significant...

1972

Spectral Decomposition: Extending the Limits of Seismic Resolution for Reservoir Delineation

Sunu H. Praptono, Bambang Murti, Dylan Mair

Indonesian Petroleum Association

... to identify thin beds through analysis of the frequency spectrum in a short window around the time of the bed. Figure 1 demonstrates a thin bed affect...

2003

Identification of Fracture Zone in Field AŽ Using Maximum Entropy Method

Aditya T. Pratama, Leonard J.I. Lisapaly

Indonesian Petroleum Association

... Method (MEM). It is well known that higher frequency components of seismic signal are significantly absorbed by the fracture. This absorption affects...

2005

Abstract: Stratigraphic Trapped Carbonate Reservoirs Gas Detection using Mono Frequency Spectral Decomposition Ratio Approach, Application in Saudi Arabia; #90318 (2018)

Taher M. Sodaga

Search and Discovery.com

...Abstract: Stratigraphic Trapped Carbonate Reservoirs Gas Detection using Mono Frequency Spectral Decomposition Ratio Approach, Application in Saudi...

2018

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

... acquisition. These include a broader frequency band and a flatter amplitude across the frequency spectrum. However, these potential benefits are not well...

2025

Abstract: FX Singular Spectrum Analysis; #90171 (2013)

Mauricio D. Sacchi

Search and Discovery.com

...Abstract: FX Singular Spectrum Analysis; #90171 (2013) Mauricio D. Sacchi FX Singular Spectrum Analysis Mauricio D. Sacchi* Signal Analysis...

2013

Abstract: Robust Singular Spectrum Analysis for Erratic Noise Attenuation; #90187 (2014)

Ke Chen and Mauricio D. Sacchi

Search and Discovery.com

... )]T is: the newly proposed method. Iteratively reweighted least frequency slice D! = [D! (1), that the ·new robust Singular Spectrum Analysis method...

2014

Zonal Isolation Surveillance … A Case Study a Through-Tubing Measurement and Analysis Method Which Can Identify and Diagnose Fluid Movement in Annuli Caused by Loss of Annular Integrity

B.R. Wijaya, A. Prawesti, Z. Rahamanda, A. Mansur, A.H. Prasetyo, A. Muhadjir, W. Andono, M. Saada, M. Abdelmoula

Indonesian Petroleum Association

... record audible and ultrasound frequency spectrum between 8 Hz and 60 KHz with very high frequency resolution, up to 512 channels. The tool uses very...

2017

Some Characteristics of the Effective Seismic Model of the Sub-Salt Sediments of the Astrakhan Arch and their Relationship to the Field of Reflected Waves

V. T. Loginov

Petroleum Geology: A Digest of Russian Literature

... largely by the spectrum of the incident wave. Small dispersion of the maximum frequency precludes use of these deflections for exploration. See Fig. 2...

1980

Abstract: Broadband Marine Seismic … Breaking the Limits (Geophysics Paper 20)

Robert Soubaras, Carl Notfors

Geological Society of Malaysia (GSM)

... or two octaves to the low-frequency end of spectrum. Another key element is the design of solid streamers which can significantly reduce noise...

2011

Broadband Seismic Technology and Beyond: Part I: The Drive for Better Bandwidth and Resolution

Lasse Amundsen, Martin Landrø

GEO ExPro Magazine

... comprising a spectrum. This is often expressed in terms of octaves. Commonly referred to in music, an octave is the interval between one frequency...

2013

Thin-Layer Reservoir Prediction Method of Rifted Basin Based on Low-Resolution Seismic Data; #42145 (2017)

Ke Weili, Zhang Guangya, Yu Yongjun, Liu Aixiang, Yang Cang, Huang Tongfei

Search and Discovery.com

... clear and reliable sedimentary phenomenon for hidden hydrocarbon reservoirs. The dominant frequency of the target reservoir is about 20 Hz...

2017

Abstracts: What Receivers will we use for Low Frequencies?; #90173 (2015)

R. Malcolm Lansley and Peter Maxwell

Search and Discovery.com

... for low frequency recording and review different receivers, their applicability and limitations. Introduction For many years now we have perhaps been...

2015

Enhancing Resolution and Improving Imaging: The New Dual-Sensor Seismic Streamer

Natasha Hendrick, Andrew Long, Rune Tenghamn

Indonesian Petroleum Association

... into the frequency spectrum of the seismic data (Figure 1(a)). In order to work around the receiver-ghost notch, conventional streamer surveys are either conducted...

2008

Frequency-dependent reflection characteristics of single thin layer and waveform inversion

Zhengyang Kuai, Danping Cao, Chao Jin

International Meeting for Applied Geoscience and Energy (IMAGE)

... of the original signal, and we use this method to obtain the time-frequency spectrum of the seismic record. According to the elastic parameters...

2023

Broadband Seismic Technology and Beyond: Part XI: Which Technology to Choose?

Lasse Amundsen, Martin Landrø, Jan Erik Lie, Vidar Danielsen, Per Eivind Dhelie

GEO ExPro Magazine

.... 68 GEOExPro October 2014 Schematic view demonstrating the focus in broadband seismic acquisition and processing: filling the low frequency gap...

2014

Abstracts: CDP Noise Attenuation Using Local Linear Models; #90173 (2015)

Todor I. Todorov and Gary F. Margrave

Search and Discovery.com

... of the spectrum with a Gaussian window centered at the frequency  inverse Fourier transform to get the frequency slice Noise attenuation The local linear...

2015

Seismic speckle as multiplicative noise explaining land reflections distorted by near-surface scattering

Andrey Bakulin, Dmitry Neklyudov, Ilya Silvestrov

International Meeting for Applied Geoscience and Energy (IMAGE)

... stacked (red) spectrum tracks the “clean” (blue) spectrum in low and mid-frequency intervals, whereas two curves diverge at higher frequencies as expected...

2022

Marine Broadband Seismic Data Acquisition: PETRONAS Perspective (Paper A1)

C. F. Low, S. Chandola, Z. M. Zawawi, A. Aziz Muhamad, S. Kumar, M. Shah Sulaiman

Geological Society of Malaysia (GSM)

.... joint deconvolution and mirror migration) to enhance the These include the improvement in the low frequency response signal bandwidth. of the streamer...

2012

Abstract: High Resolution 2-D Seismic Survey in the Malay Basin (Paper 12)

Abdul Razak Nurin, Kurt B. Tweedy, Jesmee Zainal Rashid

Geological Society of Malaysia (GSM)

... preservation and finer subsurface sampling, and shallower cable and gun depths to help preserve data at the higher end ofthe frequency spectrum. The most...

1993

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