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The AAPG/Datapages Combined Publications Database

Showing 2,336 Results. Searched 200,693 documents.

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ABSTRACT: The Accumulation and Seismic Identification Methods of Shallow Gases; #90134 (2011)

Guoping Zuo and Guozhang Fan

Search and Discovery.com

... of lithology. These shallow gases can create variable reflectivity, and lead to coherent reflections of increased intensity. Consequently, in seismic...

2011

Tutorial on Compressive Sampling

Search and Discovery.com

... reflectivity data, and curvelets for wavefield propagation. An optimal sparse representation in a given basis is obtained by performing a constrained L1...

2013

Abstract: Push the Limits of Seismic Resolution Using Surface Consistent Gabor Deconvolution; #90171 (2013)

Xinxiang Li and Darren P. Schmidt

Search and Discovery.com

... as (Margrave et al, 2003) (1) G[s ](n, f ) = W (n, f )G[r ](n, f ) . The time series s and r are the seismic trace and the embedded reflectivity series...

2013

Abstract: How much well do you need in Acoustic Impedance Inversion?; #90174 (2014)

Heather J. E. Lloyd and Gary F. Margrave

Search and Discovery.com

... an acoustic impedance inversion using the recursion formula, , where Io is the impedance at the surface and r is the reflectivity sequence...

2014

Abstract: A study of Spectral Broadening Methods for Multicomponent Data; #90174 (2014)

Chuck Ursenbach, Peter Cary, and Mike Perz

Search and Discovery.com

... must match in order to sample reflectivity in an equivalent manner” (Gaiser, 2011). In contrast to Bansal and Matheney’s conventional method...

2014

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

Peng Cheng and Gary F. Margrave

Search and Discovery.com

... to evaluate the four methods. Figure 6 shows a synthetic seismic trace is created using a random reflectivity series, a constant Q of 80. Then, 200 attenuated...

2014

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

... properties. While the actual seismic data can be used to see reflectivity differences in the reservoir, impedance is better as it is a measurement...

2014

Abstract: Integrated Well Logging Technologies to Identify Viscous Hydrocarbons: Shallow Carbonate Reservoir Case Study, West Kuwait; #90254 (2016)

Mahmoud F. Fahmy, Nami Al Mutairi, Fatema Al Failakawi, Naveen Nverma, Natarajan Murthy, Ibrahim Al-Sammak, Abba Abdessalam, Cahyo Nugroho, Monica Ghioca, Viet Le Huy

Search and Discovery.com

... measured during wireline formation testing. The Dipole Acoustic data identified porous zones where the stonely reflectivity shows significant separation...

2016

Abstract: 3-D Prestack Waveform Inversion - A Real Data Example; #90255 (2017)

Josiane Pafeng Tchuindjang, Subhashis Mallick, Hema Sharma

Search and Discovery.com

... for the purpose of CO2 sequestration. Our PWI uses a genetic algorithm and a forward model named reflectivity method to iteratively compute synthetic data...

2017

Abstract: Using Seismic Inversion and Net Pay to Calibrate Eagle Ford Shale Producible Resources; #90285 (2016)

Bo Chen, Dhananjay Kumar, Anthony Uerling, Sheryl Land, Omar Aguirre, Tao Jiang, Setiawardono Sugianto

Search and Discovery.com

... for seismic net pay estimation. Third, using the conditioned seismic data, colored inversion is applied to invert the reflectivity data to relative acoustic...

2017

Abstract: Separated Wave-Field Imaging: Utilizing the Multiple Wavefield to Improve Sub-Surface Illumination for OBS Surveys; #90319 (2018)

Jyoti Kumar, Tony Martin, Julien Oukili

Search and Discovery.com

..., the equivalent survey provides an image with a greater sampling both in terms of spatial extent and in terms of angular reflectivity information. By reciprocity...

2018

Abstract: Analog for Large-Scale Lacustrine Deposits: 3D Characterization of a Pleistocene Lake Bonneville Spit; #91208 (2024)

Eli D. Lopez, John H. McBride, Steven T. Nelson, Samual M. Hudson, Kevin A. Rey, Greg T. Carling, R. William Keach

Search and Discovery.com

... images of clinoform sequence stratigraphy down to about 3 m below the surface of the quarry. Radar reflectivity is controlled by variations in porosity...

2024

-- no title --

user1

Search and Discovery.com

...) ∗ 𝐺(𝑥, 𝑡 | 𝑠, 0)𝑑𝑥 (1) 𝐷(𝑟, 𝑡 | 𝑠, 0) is seismic data recorded by observation system. 𝑚(𝑥) is the earth reflectivity model...

Unknown

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