Least-squares migration utilizing high-resolution point spread functions generated from local angle domain illumination vectors

Matan Shustak, Orly Kletenik-Edelman, Ronit Levy, Zvi Koren

International Meeting for Applied Geoscience and Energy (IMAGE)

... LSM involves deconvolution challenges, where the PSFs serve as the imaging system's impulse responses or blurring operators. When the PSF is well...

Extended Abstract: Geokinetics Looks to the Australian Land Market

PESA Staff

Petroleum Exploration Society of Australia (PESA)

... other technologies bringing to the country its lightweight onSEIS electromagnetic impulse source units and the cableless Geospace Seismic Recorder...

Abstracts: Akaike Information Criterion Applied to Detecting First Arrival Times on Microseismic Data; #90173 (2015)

Andy St-Onge

Search and Discovery.com

... with low-amplitude random noise followed by a high-amplitude impulse. Initially, a low k sample value is multiplied by the log of the variance from sample...

Geological Characterization of a Late Jurassic Carbonate Mudstone, Saudi Arabia: Sedimentology, Geochemistry, And Geomechanics; #51649 (2020)

John D. Humphrey, Septriandi Chan, Muhammad Usman, Baqer Albensaad, Yaser Alzayer

Search and Discovery.com

...-resolution mechanical stratigraphy using micro-rebound testing, impulse hammer measurements, scratch testing, and ultrasonic velocity measurement...

Irregular acquisition design to maximize information: From cross-lines to ergodic sampling

Mengli Zhang, Yaoguo Li

International Meeting for Applied Geoscience and Energy (IMAGE)

.... We have developed an ergodic sampling theory that identifies the core subset of samples capable of representing the whole sample set on a dense uniform...

Novel Land and Marine Solutions Including Time-Lapse Using High Resolution Multi-Transient EM

Folke Engelmark

Indonesian Petroleum Association

... to recover the earth’s impulse response. The optimized imaging makes MTEM the perfect complement to seismic solutions and can sometimes replace...

Rapid Compositional Simulation and History Matching of Shale Oil Reservoirs Using the Fast Marching Method

Atsushi Iino, Aditya Vyas, Jixiang Huang, Akhil Datta-Gupta, Yusuke Fujita, Sathish Sankaran

Unconventional Resources Technology Conference (URTEC)

... of travel time of the ‘peak’ pressure response corresponding to an impulse source (Datta-Gupta et al., 2011; Vasco and Datta-Gupta, 2016...

Estimating Stage-by-Stage Reservoir and Fracture Properties Using the Post-Fracture Pressure Decay Technique

Wannees Alkhayyali, Mei Han, Christopher R. Clarkson

Unconventional Resources Technology Conference (URTEC)

... impulse linear flow was observed in under 20 hours and could be analyzed (Fig. 15). After-closure linear flow (-1/2 slope) is preceded by a -1 slope...

Rapid Field-Scale Well Spacing Optimization in Tight and Shale Oil Reservoirs Using Fast Marching Method

Atsushi Iino, Tsubasa Onishi, Feyi Olalotiti-Lawal, Akhil Datta-Gupta

Unconventional Resources Technology Conference (URTEC)

...’ pressure response corresponding to an impulse source (Datta-Gupta et al., 2011; Vasco and Datta-Gupta, 2016). In our approach, 3-D transport problems...

Reservoir Characterization Technologies For The Next Millenium - Workshop Summary

Bob Hardage, Scott Rodgers, Steve Laubach, Steve Ruppel, Scott W. Tinker

PTTC

... tinct illuminating wavefields. The first source applies a microscopic fractures. Data about macrofractures is also vertical impulse to the earth...

Codes and Ciphers: Decoding Natures Disorder: PART I

Dirk-Jan Van Manen, Johan O. A. Robertsson, Lasse Amundsen, Martin Landrø

GEO ExPro Magazine

... locations versus the reference waveform (red). As (impulse responses). Therefore, if one expected from Welch’s bound, the quality of the decoding improves...

Multiphase Meter Individual Performance Monitoring In Real Time

Sulistiyo, Mursalim Mardin, Fanzi Anom

Indonesian Petroleum Association

... quality to be comparable to MPFM summarized as following:  Shortening dP impulse lines, from initially 3 meters to 30 cm above the orifice tapping...

A Practical Review of Migration Issues and Solutions; #40723 (2011)

Ian F. Jones

Search and Discovery.com

... builds an image by copying a sample of input data out along the 3D impulse response curve for the velocity model associated with the corresponding part...

Seismogeologic Regionalization

A. I. Khramoy

Petroleum Geology: A Digest of Russian Literature

... of grouping that takes into account the impulse character of seismic vibrations and their dynamic expression; the second includes the broad...

The Composition of Seismic Reflections: Abstract

J. P. Woods

Tulsa Geological Society

... impulse, one from a reflection from the bottom of the pipe and one from a reflection from the top of the pipe. An attempt is also made to cause variable...

Reliability estimation of the prediction results by 1D deep learning ATEM inversion using maximum depth of investigation

Hyeonwoo Kang, Minkyu Bang, Soon Jee Seol, Joongmoo Byun

International Meeting for Applied Geoscience and Energy (IMAGE)

.... By applying the cosine or sine transform to frequency response, step-off or impulse response for the turned-off source in time domain can be calculated (Newman...

Novel Non-Dynamite Application Of The Accelerated Impact Source for 2D and 3D Seismic Exploration Surveys in the Indonesia Central Sumatra Basin Region.

Finn B. Michelsen, Khaerul Muttaqin, Togi Yonathan Sitinjak, Baldeo Singh

Indonesian Petroleum Association

... has a distinct advantage of smaller footprint an impulse signature similar to the dynamite. With few exceptions, early versions of AIS were...

Improvement of Methods for Controlling Water Encroachment in Oil Strata

B. M. Orlinskiy, R. Kh. Muslimov

Petroleum Geology: A Digest of Russian Literature

... of drill-mud filtrate. A boron compound was introduced into the drill mud of well 5507 on March 4, 1972. A neutron impulse log was run on March 12...

Some Characteristics of the Effective Seismic Model of the Sub-Salt Sediments of the Astrakhan Arch and their Relationship to the Field of Reflected Waves

V. T. Loginov

Petroleum Geology: A Digest of Russian Literature

... of the variants of the models for points at the surface χ = 0. The impulse of the direct wave is taken as the same in all cases; it is obtained from observations...

Breaks in the Formation of the Neocomian Clinoforms of West Siberia

V. I. Shpil’man, G. P. Myasnikova, L. L. Trusov

Petroleum Geology: A Digest of Russian Literature

... clinoforms in time and space illustrate well the pulse process of filling the basin. A running wave (impulse) is recorded in the composition...

Salt-Stock Families in Northwestern Germany

D. Sannemann

AAPG Special Volumes

... stocks become younger away from the center. The geologic impulse causing the formation of mother salt stocks is supposedly partly tectonic, whereas...

Increasing Your Success Rate Using Multiple Hypotheses - Get A Second Opinion!

Search and Discovery.com

Use of Scintillation Apparatus for Exploration of Oil and Gas Pools

A. P. Grumbkov, V. V. Matveev, G. S. Semenov, A. D. Sokolov

Petroleum Geology: A Digest of Russian Literature

... impulse analyser. Both channels of the amplitude analyser are built similarly: impulses from the counter head pass through the cathode repeater...

Abstract: Better Accuracy from Sidescan Records: The Object-Chord Method

Malcolm Jones

Geological Society of Malaysia (GSM)

... including 40 shaUow vibra-cores and 19 bore holes~ geomorphological analysis and ground penetrating impulse reflection radar have shown...

Marine Seismic Data Acquisition: Part 7. Geophysical Methods

James F. Desler

AAPG Special Volumes

... oscillations are of different periods and therefore tend to cancel one another while the initial pulses reinforce. Thus, a signal approaching an impulse...