Improved HSEQ and survey efficiency demonstrated with a new remotely operated streamer cleaning tool

Rune Tønnessen, Trygve Skadberg, James Wright, Andrew Long

Petroleum Exploration Society of Australia (PESA)

... (FX) spectrum compared to the surrounding signal. This works by using overlapping localized time-space (TX) windows that are Fourier transformed...

Subsurface Temperature Investigations Using Seismic and Bore Hole Temperature Data, Vermilion and Lafourche Parishes, Louisiana

A. H. M. Shah Alam, Rex H. Pilger, Jr.

GCAGS Transactions

..., [EQUATION] a and b being constants. The vertical (one-dimensional) flux of heat (q) through a rock column is given by Fourier's law, [EQUATION] Combining...

Integration of ground motions into induced seismicity risk management in the Kiskatinaw area, Northeast B.C, Canada

Mark Novakovic, Karen Assatourians, Stuart Venables, Michelle Gaucher, Adam Baig

International Meeting for Applied Geoscience and Energy (IMAGE)

... throughout the region. First, attenuation was modeled in the Fourier domain in order to play back attenuation and correct ground motion recordings...

Successful Depth Imaging at Banyu Urip Field

Yuki Y. Agulia, Michael Gurch, Sony Mohammad, Bastian Hutahayan

Indonesian Petroleum Association

...-dimension Fourier interpolation (Trad, 2009) and regularization was applied to increase the nominal fold and enhance the signal-to-noise ratio...

Karst Cavern Identification and Deep Imaging in the Delaware Basin Using Magnetotellurics

Patricia de Lugão, Eric Corrêa, Berthold Kriegshäuser, Isaac Santos, Ludwig Kriegshauser

Unconventional Resources Technology Conference (URTEC)

... of the electric and magnetic fields. The time series are then Fourier-transformed to the frequency domain. The ratio of orthogonal electric over magnetic field...

Pebble Shape (and Size!): REPLY

Werner K. Illenberger

Journal of Sedimentary Research (SEPM)

... a circular Fourier transformation (Davis 1986, p. 347). I ignored these aspects because they were not relevant to my study. S/I and I/L are orthogonal...

ABSTRACT: OBJECT BASED SIMULATIONS IN FLUVIAL ENVIRONMENT AT THE RESERVOIR SCALE AND AT A LOCAL SCALE; #90013 (2003)

MARTA BENITO GARCIA-MORALES, HELENE BEUCHER, FRANCOIS GEOFFROY, BRIGITTE DOLIGEZ

Search and Discovery.com

... Fourier transforms and a classical method of signal processing, the Wiener filter. The deconvolution process is extensively treated in ([1] Benito...

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

Search and Discovery.com

... wavefield can then be obtained by inverse Fourier transforming. Note that Equation (1) models transmitted waves only and, because of the Bessel...

Abstract: Fracture Detection in the Migrated Domain: Practical Aspects of Prestack Time Migration of Azimuthally-limited 3D Land Data Volumes; #90171 (2013)

Mike Perz, Juefu Wang, and Ye Zheng

Search and Discovery.com

... be considerable. The present algorithm, which is a Fourier reconstruction technique based on the work of Liu and Sacchi (2004), assumes a smooth energy...

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

... and inverse Fourier transformed to produce the acoustic impedance inversion. Selecting an appropriate low cut-off frequency is not always a simple task...

Abstract: Estimating Q from Hydraulic Fracture Related Seismicity; #90187 (2014)

Gisela Viegas, Adam Baig, Ted Urbancic, Eric von Lunen, Jason Hendrick, and Sean Lovric

Search and Discovery.com

...: theory and methods: 932 pp., Freeman, San Francisco, California. Anderson, J. G. and S. Hough, 1984, A model for the shape of the Fourier amplitude...

Linking Channel-Margin Bed Thickness to Hydrodynamics in the Tidally Influenced Fraser River, British Columbia; #50879 (2013)

Andrew La Croix, Shahin Dashtgard, and James MacEachern

Search and Discovery.com

... extends landward of turbidity max Seasonal Cyclicity in Fraser River IHS Autocorrelation, Fourier…   Qualitative cyclicity in structure...

Alternative Workflow for 3D Basin Modeling in Areas of Structural Complexity - Case Study from the Middle Magdalena Valley, Colombia; #10920 (2021)

Román González, Carlos Suarez, Luis Rojas

Search and Discovery.com

... Thermal Gradient (°C/km) Fourier´s first law q = -k * DT Where q is Heat flow, K is conductivity and DT is Thermal gradient. HEAT FLOW Implications...

Aplicación de la Migración por Haces Gaussianos 2D en Imágenes de Cinturones Plegados [PAPER IN SPANISH] Implementation of Gaussian Beam Migration from 2D images of the Folded Belt

César Agón, Flor Vivas, William Agudelo

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

..., en la forma: (1) Ahora, mediante estos haces que son soluciones asintóticas de la ecuación de onda en el dominio de Fourier (ecuación de Helmhotz...

Porosity Evaluation of Shales Using NMR Secular Relaxation

Hugh Daigle, Andrew Johnson, J. P. Gips, Mukul Sharma

Unconventional Resources Technology Conference (URTEC)

... is the Fourier spectral density function of the positions of the 1H spins. In the limit where the mean distance between 1 H atoms is much larger than...

Analysis of Vertical Cyclicity Patterns in a Submarine Fan Sequence

Tracey Chester

Pacific Section SEPM

... bed number of the Cache Creek Section on both a logarithmic(9b) and linear scale(9a). Spectral analysis (Fourier analysis) transforms this information...

Seismic evidence for seal and reservoir in the Late Cretaceous Ceduna Delta, Great Australian Bight

Ben Tredrea, Phillip Horton

Petroleum Exploration Society of Australia (PESA)

.... Finally, discrete fourier spectral decomposition on a multihorizon flattened volume was undertaken. This investigated relative thickness changes...

Accelerated Stimulation Optimization via Permanent and Continuous Production Monitoring Using Fiber Optic

Gustavo A. Ugueto C., Magdalena Wojtaszek, Paul T. Huckabee, Alan Reynolds, Jim Brewer, Luis Acosta

Unconventional Resources Technology Conference (URTEC)

... converted from time to frequency domain, using Fast Fourier Transformations. The spectral representation allows separating components of different...

Gravity and Magnetic Studies of the Wind River Reservation, Wyoming

Robert P. Kucks

Wyoming Geological Association

... of Geologists, p. 9-32. Hildenbrand, T.G., 1983, FFTFIL—a filtering program based on two-dimensional Fourier analysis on geophysical data: U.S....

Confirming Reservoir Geometry and Exploration Opportunity through 5D Interpolation PSDM in The Sub-ophiolite Zone, Banggai Sula Basin, Central Sulawesi

Mufied Ahmad, Dadang Ramdan, Yudi Herdiana, Abdullah Nurhasan, Arif Budi Mulyawan

Indonesian Petroleum Association

... are performed in the frequency domain after Discrete Fourier Transformation (DFT) with additional Anti Leakage Fourier Transfer (ALFT) – Trad, 2014...

A Field Investigation of the Relationship Between Oscillation Ripple Spacing and the Near-Bottom Water Orbital Motions

Martin C. Miller , Paul D. Komar

Journal of Sedimentary Research (SEPM)

.... W. AND TUKEY, J. W., 1965, an Algorithm for the machine calculation of complex fourier series: Mathematics of Computation, v. 19, no. 90, p. 297-301...

Variation in Ilmenite Element Composition within and Among Drainage Basins: Implications for Provenance

Dennis A. Darby, Yu Wen Tsang

Journal of Sedimentary Research (SEPM)

.... A., JR., 1987, Linear sand deposits in the southeastern Virginia Coastal Plain: a Fourier-shape-analysis and trace-element-content study of ilmenite...

Cyclicity in the Green River Formation (Lacustrine Eocene) of Wyoming

Alfred G. Fischer, Lillian T. Roberts

Journal of Sedimentary Research (SEPM)

..., while the other with a period of 10.8 years may well represent the sunspot cycle as suggested by Bradley (1929). The Fourier analyses by Ripepe et al...

Expanding Role of Computer in Geology

E. L. Dillon

AAPG Bulletin

..., 1964, Fourier series characterization of cyclic sediments for stratigraphic correlation: Kans. Geol. Survey Bull. 169, v. 2, p. 415-425. Ralston...

Statistical Time-Series Analysis and Sedimentological Tuning of Bedding Rhythms in a Triassic Basinal Succession (Southern Alps, Italy)

Florian Maurer, Linda Hinnov, Wolfgang Schlager

Special Publications of SEPM

... to The amplitude spectrogram consists of the fast Fourier trans- apply follows the general rule k = 2m-1. A “jackknife” procedure formation of overlapping segments...