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The AAPG/Datapages Combined Publications Database

Showing 13,219 Results. Searched 191,921 documents.

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Abstract: Application of Instantaneous Quality Factor (Q) Attribute in the Characterization of the Austin Chalk and Eagle Ford Shale, Maverick Basin, South Texas; #90245 (2016)

Osareni Ogiesoba

Search and Discovery.com

...Abstract: Application of Instantaneous Quality Factor (Q) Attribute in the Characterization of the Austin Chalk and Eagle Ford Shale, Maverick Basin...

2016

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

Deddy F. Djanawir, Frans Langitan

Indonesian Petroleum Association

...Application of Inverse-Q Filter and Deconvolution to Improve Seismic Data Quality in the Deep Section Deddy F. Djanawir, Frans Langitan 2004 51 58...

2004

Abstract: Improving Images below Shallow Gas Clouds with Full Waveform Inversion, Q Tomography and Q Migration: A Case Study from Offshore Myanmar; #90246 (2016)

Xiaodong Wu, Jingyu Li, Joe Zhou, Ronan Petton, Ian Anstey, Wai-Leong Lai

Search and Discovery.com

...Abstract: Improving Images below Shallow Gas Clouds with Full Waveform Inversion, Q Tomography and Q Migration: A Case Study from Offshore Myanmar...

2016

Application of the Instantaneous Quality Factor (Q) in the Characterization of the Austin Chalk and Eagle Ford Shale, South Texas, #41781 (2016).

Osareni Ogiesoba

Search and Discovery.com

...Application of the Instantaneous Quality Factor (Q) in the Characterization of the Austin Chalk and Eagle Ford Shale, South Texas, #41781 (2016...

2016

Carbonate Petrology of the Nido B-3A Core, Offshore Palawan, Philippines

Mark W. Longman

Special Publications of SEPM

... to littoral.) . % - . .- - - -. 0 MIOCENE .---- Os o j-_- - -J - q) - Nido B-3A Core Deepwaler shale and claystone with some coarse ctastic...

1980

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

... variant interval 1/Q model in three dimensions, where the quality factor Q is used to characterize the anelastic effects. This is conventionally achieved...

2016

Tunnel support by Rock Quality Index (Q) system for ultrabasic rock: A case study in Telupid, Sabah, Malaysia

Ismail Abd Rahim, Mohamad Saiful Nizam Mohamad

Geological Society of Malaysia (GSM)

...Tunnel support by Rock Quality Index (Q) system for ultrabasic rock: A case study in Telupid, Sabah, Malaysia Ismail Abd Rahim, Mohamad Saiful Nizam...

2018

Abstract: Improving Temporal Resolution of Land Seismic Data with a Stabilized Inverse Q-Filter; #90254 (2016)

Abdullah M. Alshangiti, Peter Pecholcs, Rienk Lakeman, Mohammad Bannagi

Search and Discovery.com

..., SAUDI ARABIA 2 ABSTRACT Seismic wave attenuation, quantified by the seismic quality factor Q, results in an exponential decay of amplitudes...

2016

Abstract: Q Estimation by a Match-filter Method; #90174 (2014)

Peng Cheng and Gary F. Margrave

Search and Discovery.com

... convolution, the minimization is taken over the range of possible Q values; ( the forward Q filter for a quality factor value Q and travel time ( ) and can...

2014

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

Peng Cheng and Gary F. Margrave

Search and Discovery.com

... response corresponding to the attenuation function with a quality factor value Q and travel time (𝑑2 βˆ’ 𝑑1 ) and can be formulated as βˆ’πœ‹π‘“(𝑑2 βˆ’π‘‘1...

2014

Abstract: Estimation of the Quality Factor with Tomography Using the Complex Eikonal Equation; #90255 (2017)

Tatiana Espinosa, Carlos Piedrahita Escobar

Search and Discovery.com

... by the quality factor Q (inverse of attenuation), results in significant loss of signal strength and bandwidth. Gas trapped in sediments...

2017

Abstract: Intrinsic and Apparent Seismic Attenuation in VSP Data; #90211 (2015)

Arnim Haase and Robert Stewart

Search and Discovery.com

... in determining robust and accurate ways to estimate attenuation or quality factors (Q) and to use them. One technique we have employed for Q estimation...

2015

Abstract: Modelling Near-field Effects in VSP-based Q-estimation Part 2: Modelling Results; #90171 (2013)

Arnim B. Haase and Robert R. Stewart

Search and Discovery.com

.... Nonlinear frequency dependence of log magnitude spectra in this depth region could be interpreted as a frequency dependent quality factor Q(Ο‰), however...

2013

Amplitude and Bandwidth Recovery Beneath Gas Zones Using Kirchhoff Prestack Depth Q-Migration

Jonathan Liu, Peter Traynin, J. M. Reilly

Indonesian Petroleum Association

... by ⎑ 1 1 Ο‰βŽ€ c(x) = c0 (x) ⎒1 + iQ βˆ’1 (x) + Q βˆ’1 (x) ln βŽ₯, 2 Ο€ Ο‰0 ⎦ ⎣ (1) where c 0 is the acoustic part of the complex velocity, Q is the quality factor...

2007

Least Square Q-Kirchhoff Migration: Implementation and Application

Xiaodong Wu, Yi Xie, Joe Zhou, Dechun Lin, Yu Wang

Petroleum Exploration Society of Australia (PESA)

... resolution, and wrong placement of reflectors. The so-called quality factor β€œQ” accounting for this absorption effect has to be included for correct...

2018

ABSTRACT: Enhanced Resolution in the Tiguentourine 3D Dataset Through Q Compensation; #90016 (2003)

B. Taylor, R. Crider

Search and Discovery.com

... a dependency of amplitude on surface geology and a Q filter study was undertaken. The effective Quality Factor (Q) estimated from the Tiguentourine 3D...

Unknown

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

... becomes broader (O’Doherty and Anstey, 1971). The quality factor, Q, is a measure of how absorptive an Earth material is; a low Q value corresponds...

2015

Resolving Seismic Attenuation Issue through Q-Migration, a Case Study in Sisi-Nubi Field, Indonesia

Bastian Hutahayan, Keat Huat Teng, Kelik Moersidin, Jacques Bonnafe, Natalia Anggriani, Cepi M. Adam

Indonesian Petroleum Association

... the study area. A Q-PSDM reprocessing over an area of 420 km2 had been carried out with the aim to improve the seismic quality, focusing at the Sisi-Nubi...

2015

Spherical Wave Model Tests of VSP-Based Q-Estimation Techniques

Search and Discovery.com

.... Introduction Seismic quality factors (Q) have been an active research topic for several decades now and interest appears to be increasing steadily...

2013

Diagenetic History and its Effect on Reservoir Quality and Reservoir Characterization of Sandstone Sequences of Matulla Formation, October Field, Gulf of Suez, Egypt; #20452 (2019)

Ahmed Kassem

Search and Discovery.com

... D P β€’ 450 P Q C 54 50 Diagenetic history chart represent the main cycles controlling the reservoir quality 0 66 132 209 74 GS 160 - 2...

2019

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