Application of Pseudorandom m-Sequences for Seismic Acquisition

Joe Wong

Search and Discovery.com

... mathematical constructs with impulse-like autocorrelations that make them attractive for use in seismic acquisition. They are easily produced by logic...

Application of Pseudorandom m-Sequences for Seismic Acquisition

Joe Wong

Search and Discovery.com

... mathematical constructs with impulse-like autocorrelations that make them attractive for use in seismic acquisition. They are easily produced by logic...

Abstract: A Field Experiment Recording Low Seismic Frequencies; #90174 (2014)

G. F. Margrave, M. B. Bertram, K. L. Bertram, K. W. Hall, K. A. H. Innanen, D. C. Lawton, L. E. Mewhort, and T. M. Phillips

Search and Discovery.com

.... Such a correction filter can be designed as the inverse of the geophone's impulse response. Bertram and Margrave (2011) showed that the instrument response...

Basics of Resistivity Tools - Application of Resistivity-Tool-Response Modeling for Formation Evaluation - Archie Series No. 2

Hezhu Yin

AAPG Special Volumes

... of an induction sonde in a homogeneous medium. An approximation to the exact solution can be obtained by a Taylor-series expansion in powers of L/δ...

Mechanism of Salt Migration in Northern Germany

F. Trusheim

AAPG Bulletin

... impulse to movement can be sought in inhomogeneities, either in the basement under the salt, or in the salt itself, or even in the roof of the salt layer...

Crustal and Lithospheric Structure of the CarpathianPannonian Region: A Geophysical PerspectiveRegional Geophysical Data on the CarpathianPannonian Lithosphere

L. Pospil, A. dm, J. Bimka, P. Bodlak, T. Bodoky, P. Dvnyi, H. Granser, E. Hegeds, I. Jo, A. Kendzera, L. Lenkey, M. Nemok, K. Posgay, B. Pylypyshyn, J. Sedlk, W. D. Stanley, G. Starodub, V. Szalaiov, B. ly, A. utora, G. Vrga, T. Zsros

AAPG Special Volumes

...) (in Hungarian): Budapest, Magyar Tudomanyos Akademia Geodeziai es Geofizikai Kutato Intezet, 495 p. The aim of this contribution is to put together complete...

Characterization of Early-Time Performance of a Well with a Vertical Fracture Producing at Constant Pressure

Nicholas Wiewiorowski, Alex Valdes-Perez, Thomas A. Blasingame

Unconventional Resources Technology Conference (URTEC)

... inversion of a constant (in this case, CD) is the Dirac delta, δ(t), which is an impulse function where the result is zero for all values other than...

Predicting Frac Performance and Active Producing Volumes Using Microseismic Data

Charles J. Sicking, Jan Vermilye, Alfred Lacazette

Unconventional Resources Technology Conference (URTEC)

... in the traces at each location. In the upper left corner of the depth slice there was no signal. In the upper right location there was one impulse...

Fracture Surface Extraction and Stress Field Estimation From Three-Dimensional Microseismic Data

Dylan Copeland, Alfred Lacazette

Unconventional Resources Technology Conference (URTEC)

... in Figure 1. The trace panel was created using a wave equation modeling program. An impulse was generated at the reservoir depth and the response...

Shaping regularization by fast explicit diffusion

Sergey Fomel

International Meeting for Applied Geoscience and Energy (IMAGE)

... (Rauber and R¨ nger, 2013). Is it possible u to achieve a similar smoothing effect using a cascade of local convolutions with finite-impulse-response filters...

Electronics & Lightning—A Study on Secondary Protection in the Arun Field

Pratignjo M., Suharyanto R., Djoko Darwanto, Reinaldo Zoro

Indonesian Petroleum Association

... of rise, di/dt Figure 6 shows the distribution of the charge related to the total flash and to the current impulse. This figure shows that the highest...

The effects of marine currents on seismic data

Gary Hampson

International Meeting for Applied Geoscience and Energy (IMAGE)

... a stationary medium overlying a medium moving with velocity u . If an impulse is injected at xs on the boundary, a semi-circular wavefront, centred on xs...

A Field Method for Determining the Firmness of Colonized Sediment Substrates

Murray K. Gingras , S. George Pemberton

Journal of Sedimentary Research (SEPM)

... by the substrate requires equating the potential energy at the top of the indentor's free fall to the energy (or impulse) absorbed by the substrate. This can...

Abstract: Macro-velocity Model Building in a Laplace-domain Waveform Inversion; #90174 (2014)

Changsoo Shin and Wansoo Ha

Search and Discovery.com

... is the amplitude of an impulse source. If we take the Fourier transform of the equation with respect to x and the Laplace transform with respect to the time, we can...

Abstract: Least Squares Pre-Stack Time Migration for Imaging and Reconstruction of Converted Waves; #90224 (2015)

Aaron Stanton

Search and Discovery.com

... parallelization over offsets classes using a cluster with shared memory architecture. In figure 1 the forward operator, L is applied to an impulse in model...

Normal Moveout and Dip Moveout, C. L. Liner, #40037

Search and Discovery.com

A case study of cavity excitation method for seismic acquisition in the limestone outcrop area of eastern Sichuan, China

Xiaoyang Wang, Min Li, Xiaobin Zhang, Shuqin Li, Zhichao Yang, Longjiang Jing, Zhen Yang, Yanfa He, Xiaohong Zhao, Mingyi Li, Hao Zhang

International Meeting for Applied Geoscience and Energy (IMAGE)

...) to compress the rock, and the amount of shock wave energy is expressed by impulse, that is, the integration of pressure to the action time, which can...

Petroleum Geologist and Exploration Geophysicist: Co-Ordination and Seismic Velocity

John D. Hale

CSPG Bulletin

... RECORDED BY THE REFLECTION SEISMOGRAPH An energy impulse is created by the explosion of a charge of dynamite either above (in water or air...

The Officer Basin: A Proterozoic basin exploration case study

Tony Rudge, Jim Dirstein, Josh Chadwick, Toby Chandler

International Meeting for Applied Geoscience and Energy (IMAGE)

... transient impulse survey (AEM-PTP) has enabled a comprehensive multi-domain approach. This method focuses exploration activities across an extensive...

IV. The Role of Seismic Wavelets and Wavelet Processing

Norman S. Neidell

AAPG Special Volumes

... instruments used to record these data have an impulse response as shown in the next figure. This wavelet is the time domain expression of the filter...

ABSTRACT: STUDY IN THE DEVELOPMENT OF ROTLIEGENDES BASIN IN WESTERN POLAND IN THE ASPECT OF NEW GAS PLAY DISCOVERIES; #90013 (2003)

LESZEK PIKULSKI, JOLANTA ZIELINSKA-PIKULSKA

Search and Discovery.com

...). Using the proper 3D seismic research methodology allows to follow the changes in the amplitude of seismic impulse record which marks the range...

Abstract: Simultaneous Multiple Source Acquisition using m-Sequences; #90187 (2014)

J. Wong

Search and Discovery.com

... in diverse fields of science and engineering. Examples of applications are the estimation of impulse responses of linear systems, wireless...

Airborne Measurement of Transient Pulses Locates Hydrocarbon Reservoirs, by Leonard A. LeSchack and John R. Jackson, #40204 (2006).

Search and Discovery.com

Review of the CrustLithosphere Research in the Carpathians

Lubomil Pospil, Antal dm

AAPG Special Volumes

...: Geologische Rundschau, v. 65, p. 361374.Dovenyi, P., F. Horvath, P. Liebe, J. Galfi, and I. es Erki, 1983, Geothermal conditions of Hungary: Geophysical...

Resedimented Conglomerates in the Bottomsets of Gilbert-type Gravel Deltas

George Postma , Thomas B. Roep

Journal of Sedimentary Research (SEPM)

... turbulent flow. In the latter case, the debris flow would have originated from gravity transformation of the turbulent flow (Fisher 1983). In both ca es...