Abstract: Monitoring bioremediation after oil spills, old and new, using marsh foraminiferans as indicators

Roxanne A. McMillan

Atlantic Geology

... to various environmental stresses, can indicate oil pollution and are useful to monitor bioremediation. Petpeswick Inlet, Nova Scotia, a two year-old...

ABSTRACT: Resolution Issues with Regard to Seismic Elastic Lithologic Modeling, by Keith Wrolstad; #91035 (2010)

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Abstract: Application of Adaptive Lattice Filtering in Sonic Well Log, by Z. Zhou and T. W. Spencer; #90955 (1995).

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ABSTRACT: Investigation of the Behavior of Surface Noise within Seismic Arrays of Variable Geophone Density; #90051 (2006)

Ibrahim A. Al-Hokail

Search and Discovery.com

...-geophone distances. The resulting relationships between bandwidth, intra-array geophone distance and non-organized noise attenuation suggest a maximum...

The Geophysicists' Bane: Multiple Suppression on the North West Shelf

C. R. T. Ramsden, M. R. Hobson, R. Cooper

Petroleum Exploration Society of Australia (PESA)

... *Independent of PI M ratio *Computer intensive *Multiples need to be hyperbolic Table 1: Multiple Attenuation Methods. 'C (1) en c: 'C 'C .., (1) en en 0...

Deep-learning-based downhole tool electromagnetic telemetry noise attenuation and source separation

Carlos Urdaneta, Arnaud Jarrot, Shirui Wang, Xuqing Wu, Jiefu Chen

International Meeting for Applied Geoscience and Energy (IMAGE)

...Deep-learning-based downhole tool electromagnetic telemetry noise attenuation and source separation Carlos Urdaneta, Arnaud Jarrot, Shirui Wang...

Yesterday, Today, and Tomorrow in Seismic Exploration

Emil J. Mateker, Jr.

GCAGS Transactions

... and attenuation variations, will permit lithologic identification. To measure the resolving power of the seismic exploration method, one needs to evaluate...

Frequency vs Azimuth (FVAZ): the Younger Member of the Family of Seismic Driven Fracture Characterization Methods

Juan Tavella, Victoria Lazzari, Marcelo Frydman, Néstor Herrera

Unconventional Resources Technology Conference (URTEC)

... attenuation due to friction in medium. The phenomenon is called FVAZ, and we accepted the challenge of testing it in the context of Vaca Muerta...

Recursive DIP for seismic random noise attenuation

Yun Zhang, Benfeng Wang

International Meeting for Applied Geoscience and Energy (IMAGE)

...Recursive DIP for seismic random noise attenuation Yun Zhang, Benfeng Wang Recursive DIP for seismic random noise attenuation Yun Zhang*, Benfeng...

Abstract: Analysis of the Low Frequency Content of Seismic Data Acquired During an Experiment at Hussar, Alberta, Canada; #90187 (2014)

J. Helen Isaac, Gary F. Margrave, Monika Deviat, and Pam Nagarajappa

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... reduction and signal enhancement techniques, such as coherent noise attenuation, spiking deconvolution and amplitude scaling. After processing...

High-Quality 3-D MicroCT Imaging of Source Rocks … Novel Methodology to Measure and Correct for X-Ray Scatter

Alexander Katsevich, Michael Frenkel, Qiushi Sun, Shannon L. Eichmann, Victor Prieto

Unconventional Resources Technology Conference (URTEC)

... modality, is based on measuring the attenuation of X-rays as the source and detector rotate around the patient (Townsend, 2010). Through sophisticated...

OBN up/down-going wavefields separation in dual-tree complex wavelet domain

Zhang Libin, Wang Wei, Zou Zhen, Li Yifan, Chen Zhigang, Wang Kebin

International Meeting for Applied Geoscience and Energy (IMAGE)

... of the hydrophones pressure component (P) and geophones vertical component (Z) is useful for receiver side deghosting through P/Z summation and improving shallow image...

Abstract: Adaptive f-xy Hankel Matrix Rank Reduction Filter to Attenuate Coherent Noise; #90174 (2014)

Nirupama (Pam) Nagarajappa

Search and Discovery.com

... to separate the two. In particular, coherent noise attenuation methods use the dip or velocity and frequency information to separate the noise and signal...

Abstract: Reflectivity Color Correction in Gabor Deconvolution; #90211 (2015)

Carlos Montana and Gary Margrave

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... and white additive noise. In presence of inelastic attenuation, the stationary assumption is not valid. A nonstationary convolutional model (e.g. Margrave...

Application of Frequency-Dependent Attributes for Gas Prospect Identification

Vittorio De Tomasi, Alfonso Junio Marini, Maurizio Ferla, Francesca de Finis

International Meeting for Applied Geoscience and Energy (IMAGE)

..., Francesca de Finis Eni S.p.A. – Div. Natural Resources Summary Presence of gas causes anomalous anelastic attenuation in porous rocks. Instantaneous...

Micro-CT Analysis of Pores and Organics in Unconventionals Using Novel Contrast Strategies

Andrew Fogden, Thomas McKay, Michael Turner, Rohini Marathe, Tim Senden

Unconventional Resources Technology Conference (URTEC)

... attenuation of pores or organic matter (OM) and thus enhance their contrast and resolution in tomographic images. Subsamples (of 2-3 mm diameter...

Seismological Methods and the Search for Geothermal Resources

David Butler, Paul Larry Brown

Rocky Mountain Association of Geologists

... instances, but unconventional methods derived from classical seismology have been more useful in geothermal exploration. This paper concentrates on the less...

Premigration attenuation analysis and mapping to image domain by weighted migrations

Yonghe Sun, Chunling Wu, Mark Fan, Zhemin Tan

International Meeting for Applied Geoscience and Energy (IMAGE)

...Premigration attenuation analysis and mapping to image domain by weighted migrations Yonghe Sun, Chunling Wu, Mark Fan, Zhemin Tan Premigration...

ABSTRACT: Evaluation of hydrologic and biogeochemical controls on soluble benzene migration within the Uinta Basin using computer models and field sampling; #90013 (2003)

Ye Zhang, Mark A. Person, Enrique Merino, Michael Szpakiewcz

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... on the transport and attenuation of benzene in sedimentary basins. The occurrences of BTEX as dissolved solutes in oil field brines and as soil gases near known...

An Easily Constructed, Very Inexpensive, Solar Cell Transmissometer (SCT): RESEARCH METHODS PAPERS

Stephen C. Knowles, John T. Wells

Journal of Sedimentary Research (SEPM)

... (1998), No. 1. (January), BAKER, E.T., AND LAVELLE, J.W., 1984, The effect of particle size on the light attenuation coefficient of natural suspensions...

ABSTRACT: Basement Controls on Subsurface Geologic Patterns and Coastal Geomorphology Across the Northern Gulf of Mexico: Implications for Subsidence Studies and Coastal Restoration

Bryan P. Stephens

Houston Geological Society Bulletin

... in width, thought to be characterized by varying degrees of extension, crustal attenuation and tectonic subsidence. The corridors are more finely segmented...

Abstract: Seismic Imaging a Carbonate Reservoir: The Paris Basin Dogger, by D. Mougenot; #90956 (1995).

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Mapping Lost or Abandoned Pipes and Utilities at Two Former Refinery Sites in Michigan, by K. Mwanda and W. Sauck; #90900 (2001)

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ABSTRACT: A New Cement Logging Panorama to Improve Evaluation and Assist with Cement Repair Decisions, by Patlan Rodriguez, Salvador; Sanchez Perez, Virgilio; Campos Lopez, Roberto; Santana Anaya, Víctor; Sookram, Neil

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Seismic Methodologies Adapted for Use in Acoustic Logging

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