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

Drilling Uphill

Paul Wood

GEO ExPro Magazine

... sources, all shots in 1998 were impulse sources, buried charges onshore and airguns offshore. Micro-charges and special Magnaseis™ detonators were even...

Vaporchoc: Utilization of Steam as a New Seismic Source

P. Staron

Pacific Section of AAPG

... of the gas creates the seismic impulse, then the gas bubble oscillates giving rise to a secondary acoustic emission at each of its contractions...

Scientific-Technical Geophysical Conference

N. P. Dobrynina

Petroleum Geology: A Digest of Russian Literature

... for high temperature and pressure, core lifters, and new perforators and tests for study of slim-hole wells. To intensify development of impulse...

Single-Channel Seismic, Uniboom, and 3.5-kHs Systems Used in Solomon Islands

D. L. Tiffin

Circum Pacific Council Publications

... simultane­ ously. SINGLE-CHANNEL AIRGUN SYSTEM The SCAG seismic-reflection system utilized the acoustic impulse generated by the multichannel seismic airgun...

The Attenuation Effects of Surface-Wave Propagations on Rockmass Using SASW Method

Suharsono, Abdul Rahim Samsudin

Geological Society of Malaysia (GSM)

... characterization across broad ranges of scales from the near-surface to the whole of earth's crust. If an impulse of short duration is created...

Direction-dependent strain transfer function of DAS considering gauge length and pulse shape with its implications on high spatial resolution acquisitions

Peter Hubbard

International Meeting for Applied Geoscience and Energy (IMAGE)

... and an ℎ 𝑝𝑝 = 2 m-Gaussian pulse. If the gauge length is reduced in the limiting sense, it becomes an impulse. This case is shown in Figure 2. The idealized...

Ergodic Sampling: A New Data Acquisition Method to Gather More Information

Mengli Zhang, Yaoguo Li

International Meeting for Applied Geoscience and Energy (IMAGE)

... transform and its inverse, and I is an impulse signal in the spectral domain, and | · | denotes element-wise absolute value. The SRF describes the impulse...

Determination of Oil-Water Saturation and Position of the Water-Oil Contact in Carbonate Reservoirs of Fields of the Kuybyshev Region by Radiometric Methods

L. Z. Tslav, V. V. Laptev

Petroleum Geology: A Digest of Russian Literature

... impulse, etc. In many cases satisfactory results can be obtained with electrical logging using large gradient sondes (V. D. Sukhareva, 1958). The second...

Intensification of Oil Field Development - a Major Way of Increasing Oil Output

N. S. Yerofeyev, G. P. Ovanesov, M. M. Ivanova, N. F. Chernov

Petroleum Geology: A Digest of Russian Literature

... is experimenting with impulse injection of water in the Pokrovka, Kuleshov, and other fields. This works well for reservoirs with low permeability...

Quaternary buried valley characterization on the Canadian Prairies using a shear land-streamer

David G. Schieck, Robert B. Hearst

Petroleum Exploration Society of Australia (PESA)

... simultaneously from shear-shear source. An impulse source was also deployed every 10th VP at the end of the tail-spread to provide a comparison...

High-resolution Measurements of Elasticity at Core Scale. Improving Mechanical Earth Model Calibration at the Vaca Muerta Formation.

Anton Padin, Gilles Pijaudier-Cabot, Alain Lejay, Hamid Pourpak, Jean-Philippe Mathieu, Atef Onaisi, Gregory Boitnott, Laurent Louis

Unconventional Resources Technology Conference (URTEC)

... gamma rays to provide calibrated quantitative measurements of bulk density each cm; an (2) Impulse Hammer™ tool (Boitnott et al., 2017), which measures...

A Sample Changer for Oriented Clay Aggregates in X-ray Diffraction: NOTES

Joost Quakernaat, Manfred Gastner

Journal of Sedimentary Research (SEPM)

.... This charging current impulse briefly excites the arresting magnet. Hence, the specimen box moves one step ahead. After the specimen box is arrested...

Reservoir Characterization and Monitoring Using Multi-Transient Electromagnetic (MTEM) (Geophysics Paper 25)

Folke Engelmark

Geological Society of Malaysia (GSM)

... providing continuous coverage of the subsurface including the transition zone. The earth’s impulse response is obtained for each source receiver pair...

Abstract: The Evolving Role of Geophysics in Exploration. From Amplitudes to Geomechanics (Paper C7)

E. C. Andersen, D. Gray

Geological Society of Malaysia (GSM)

.... It gives us an understanding of the time required for a seismic impulse to travel to and through a reservoir. It also gives us some understanding...

Key Features of TEM and EM-IP Investigations in South-East Asia (Paper P45)

Y. A. Agafonov, I. V. Bouddo, I. V. Egorov, M. M. Salleh

Geological Society of Malaysia (GSM)

... and telluric interference: A - not distorted signal, B- impulse noise, C - trend impact. Figure 4: Typical TEM curves for different zones. where i...