New Method for Separation of Skeletal Material from a Plankton Sample

Gustavs Vilks

Atlantic Geology

... or an aliquot with distilled water through a 60-micron sieve to remove preservative solution. Transfer the sample to a Millipore filter by using...

Preparation of Oriented Clay Mounts with Uniform Thickness for XRD Analysis: RESEARCH METHOD PAPER

Annabelle M. Foos, Thomas J. Quick

Journal of Sedimentary Research (SEPM)

... No. 4. (July), DREVER, J. I., 1973, The preparation of oriented clay mineral specimens for X-ray diffraction analysis by a filter-membrane peel...

Abstracts: Automatic Time-picking of Microseismic Data Combining STA/LTA and the Stationary Discrete Wavelet Transform; #90173 (2015)

Ismael Vera Rodriguez

Search and Discovery.com

... transform (SDWT) as an input to the STA/LTA (short-term-average over long-term-average) filter is proposed. This strategy is compared against four other...

Sobel Filtering Brings Edges into Sharp Focus, by Satinder Chopra and Kurt J. Marfurt; #41511 (2014).

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Appendix A: Considerations for Optimum 3-D Survey Design, Acquisition and Processing

R. Malcolm Lansley

AAPG Special Volumes

..., the phase effects of the recording filters are removed and the amplitude effects are squared. Thus the observed filter effects are very different between...

Lithologic Prediction from Seismic Attributes in the Balcon Field, Colombia

J. E. Calderon

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

... borehole condition through most of the Caballos section, the data are not filtered to remove effects for washed-out intervals. From this crossplot we can...

Mineralogical Analysis of Suspended Cohesive Sediment Using an Analytical Electron Microscope

Robert Bryant, David J. A. Williams

Journal of Sedimentary Research (SEPM)

... absorbance and fluorescence effects are negligible are readily amenable to quantitative analysis (Cliff and Lorimer, 1975). Interference of Si K and Al K...

Application of improved shearlet transform algorithm in noise filtering of complex fault block oilfield in eastern Bohai Sea

Yu Xiong, Cai Li, Yongqiang Yao, Shaoxuan Li, Lei Gao

International Meeting for Applied Geoscience and Energy (IMAGE)

... transform, radial trace transform, time-frequency peak filter (TFPF), empirical mode decomposition (EMD), vector median filter and so on. In the 1980s...

AVO Analysis of a Pennsylvanian Age Channel Sandstone in the Arkoma Basin, Oklahoma

Eric Kubera

Oklahoma City Geological Society

... frequencies and amplitude information are lost due to the physical interaction of the seismic wave with the rocks through which it travels. All effects...

A Quantitative Separation of Non-Carbonate Minerals from Carbonate Minerals

John Ellingboe, James Wilson

Journal of Sedimentary Research (SEPM)

... gave data showing the effects of pH, concentration, temperature, and particle size on the solution rate. The purpose of this work...

Abstract: Prestack Rank-Reduction-Based Noise Suppression: Theory; #90171 (2013)

Stewart Trickett and Lynn Burroughs

Search and Discovery.com

... effects. Preserves multiples. Here we describe two existing methods (eigenimage and Cadzow filtering), both of which perform matrix-rank reduction...

Abstract: Supervirtual S-wave Refraction Interferometry for Converted Wave Statics and Near-Surface S-wave Velocity Model Building; #90224 (2015)

Kristof De Meersman and Yoones Vaezi

Search and Discovery.com

... placed at a 10 m interval. Figure 2a shows a typical common shot gather after applying a 1000 ms AGC and a 20-40 Hz low-pass filter. The S-wave...

Development of a Methodology for the Location of New Producer Wells from the Computational Modeling based on Streamline Simulation, by Olga Patricia Rueda, Miguel Jose Bernal, Elkin Rodolfo Santafe1, #40697 (2011)

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Seismic Data Preconditioning for Improved Reservoir Characterization (Inversion and Fracture Analysis); #41347 (2014)

Darren Schmidt, Alicia Veronesi, Franck Delbecq, and Jeff Durand

Search and Discovery.com

... that could not be accounted for by obvious near-surface effects (Figure 1). Preconditioning (spectral balancing, in this case) was done to correct this. Well...

The Geophysicist Communicating with Seismic Processing

R. E. Sheriff

Southeast Asia Petroleum Exploration Society (SEAPEX)

... through assistants who knew the specifics of the computer, but did not always realize the incidental effects involved. The use of imbedded data...

Clay-Mineral Segregation by Differential Flocculation: Jourdan River / St. Louis Bay Estuary, Hancock County, Mississippi

Gregory J. McRae , Jesse O. Snowden

GCAGS Transactions

... of the Jourdan River, and hence the effects of differential gravity settling of mineral species is unlikely. Statistical analyses show a linear relationship...

Design and Operation of a Triaxial, High-Temperature, High-pressure Compaction Apparatus: NOTES

C. T. Sawabini , G. V. Chilingar , D. R. Allen

Journal of Sedimentary Research (SEPM)

.... Geol. Congress, New Delhi, India, 22nd Session, Part 15, p. 22-38. SERDENGECTI S. AND BOOZER, G. D., 1961, The effects of strain and temperature...

Application and Extension of Fine Fault Recognition Technology in Surrounding Area of Penglai 19-3 Oilfield, Bohai Bay Basin, Eastern China, #20436 (2018).

Xugang Ma, Donghong Zhou, Dingyou Lv, Dayong Guan, Hongguo Zhang

Search and Discovery.com

... Penglai A‐2 structure (a) (b) Figure 5. Seismic sections before （a） and after （b） processed with structure‐oriented filter (a) (b) Figure 6...

Understanding the Seismic Wavelet; Steven G. Henry; Search and Discovery Article #40028 (2001)

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Abstracts: Does Accurate Processing of Airborne EM Data Have an Impact on Derived Hydrogeological Units?; #90173 (2015)

Andrea Viezzoli, Camilla Soerensen, and Flemming Jorgensen

Search and Discovery.com

... Electromagnetics is used in many countries as a major tool for groundwater management, and environmental management. In this paper we assess the effects...

In-Situ Analysis of Traces, Minor and Major Elements in Rocks and Soils with a Portable XRF Spectrometer; #41836 (2016)

Anthony Thomas, Joachim Heckel, Dirk Wissmann

Search and Discovery.com

... is equipped with a 10 W transmission X-ray tube in combination with a filter changer. The integrated sample spinner supports the analysis of a large...

Rates of Sediment Reworking by Yoldia Limatula In Buzzards Bay, Massachusetts, and Long Island Sound

Donald C. Rhoads

Journal of Sedimentary Research (SEPM)

... around this vial was filled with sand. A piece of filter paper, cut to the dimensions of the plastic container, was placed over the sand. Alternating...

Dipmeters: Part 4. Wireline Methods

Joseph F. Goetz

AAPG Special Volumes

.... Essentially these are stacking filter effects that can be applied at various stages in the computation chain, such as in the following: 1. Longer correlation...

Chlorophyll-Degradation Products in Sediments of Black Sea: Biology

Carl J. Lorenzen

AAPG Special Volumes

... a Gelman type-A, 1-in. glass-fiber filter. The cleared solution was saved for pigment determination, and the dispersed sediment was washed onto the filter...

Abstract: Application of Multiresolution Analysis in Removing Ground-penetrating Radar Noise; #90171 (2013)

Yih Jeng, Chuan-Hung Lin, Yi-Wei Li, Chih-Sung Chen, and Hsin-Han Huang

Search and Discovery.com

... decomposition. (a) (b) Figure 1: (a) Nonstandard decomposition of 2D discrete wavelet transform. (b) Filter bank of nonstandard 2D decomposition where...