Frequency-dependent reflection characteristics of single thin layer and waveform inversion

Zhengyang Kuai, Danping Cao, Chao Jin

International Meeting for Applied Geoscience and Energy (IMAGE)

... AVO responses, however, the frequency dependent reflection characteristics of thin layers exhibit different types of AVO at different frequencies...

The Geophysicists' Bane: Multiple Suppression on the North West Shelf

C. R. T. Ramsden, M. R. Hobson, R. Cooper

Petroleum Exploration Society of Australia (PESA)

... the multiples, will move these events onto different quadrants of the F-k domain (Figure 12). By zeroing the "multiple" quadrant, inverse transforming the data...

Evaluation Method of Low Permeability Reservoirs Based on Logging Petrophysical Facies Identification: A Case Study of the Upper Member of Mengyin Formation in Gaoqing Area, Dongying Depression; #42448 (2019)

Ya Wang, Shaochun Yang, Yan Lu

Search and Discovery.com

... Physical properties and pore structure characteristics of different types of coring petrophysical facies in the Upper Member of Mengyin Formation...

SoundBal: Two-Phase Production Logging by Integrating Mass Balance and DAS-Based Speed of Sound

Peyman Moradi

Unconventional Resources Technology Conference (URTEC)

.... To address the impact of different flow regimes on SoS, Nguyen et al. (1981) developed models that take into account the elastic characteristics...

Discovery of Deep-water Fan System in Pearl River Mouth Basin, South China Sea; #90017 (2003)

Da Jun Peng, ChangMin Chen, Xiong Pang, Xian Lu Huang

Search and Discovery.com

...-continental shelf, shelf break, slope and deep-sea basin over different sequence development, especially characteristics of deep-water fan system...

Seismic Exploration for Stratigraphic Traps: Section 2. Application of Seismic Reflection Configuration to Stratigraphic Interpretation

Milton B. Dobrin

AAPG Special Volumes

... that the reflectivities, and hence amplitudes of reflections, will be so low that the events may not be observable above noise. A more serious limitation...

Application of Artificial Intelligence Tools for Fault Imaging in an Unconventional Reservoir: A Case Study from the Permian Basin

H. Garcia, L. Plant

Unconventional Resources Technology Conference (URTEC)

... network and the regional faults mapped by Hardage et al., (1998) (Figure 11, green arrows). The different characteristics of the available 3D networks...

ABSTRACT: Improving Geological and Engineering Interpretation of Hydraulic Treatment-Induced Fracture Systems Using Quality Control Attributes Applied to Microseismic Monitoring Results, by Joel H. Le Calvez, Shawn Maxwell, and Les Bennett; #90154 (2012)

Search and Discovery.com

Automatic microseismic event detection in downhole DAS data through convolutional neural networks: A comparison of events during and post-stimulation of the well

Paige Given, Fantine Huot, Ariel Lellouch, Bin Luo, Robert G. Clapp, Biondo L. Biondi, Tamas Nemeth, Kurt Nihei

International Meeting for Applied Geoscience and Energy (IMAGE)

...Automatic microseismic event detection in downhole DAS data through convolutional neural networks: A comparison of events during and post-stimulation...

High - Quality, Efficient Broadband Acquisition & Processing-An Integrated Approach

Richard Patenall, Dominic Fell, Timothy Brice, Saeeda Hydal

Indonesian Petroleum Association

... will discuss not only the specific aspects of the broadband data processing but also how we handled the increased noise levels encountered in shooting during...

Differentiating Wet and Dry Microseismic Events Induced During Hydraulic Fracturing

Shawn Maxwell, Drew Chorney, Melanie Grob

Unconventional Resources Technology Conference (URTEC)

... of the fracture geometry by including dry events. Furthermore, differentiation of the event types is also important for source characterization...

Determining Maximum Horizontal Stress with Microseismic Focal Mechanisms - Case Studies in the Marcellus, Eagle Ford, Wolfcamp

Alireza Agharazi

Unconventional Resources Technology Conference (URTEC)

... radiation patterns of seismic amplitude at different locations for each event. Due to the noise in the acquired microseismic data, the obtained moment tensor...

Repeat DAS and DTS Production Logs on a Permanent Fiber Optic Cable for Evaluating Production Changes and Interference with Offset Wells

Veronique Mahue, Erick Jimenez, Peter Dawson, Kirk Trujillo, Robert Hull

Unconventional Resources Technology Conference (URTEC)

... various DAS derivatives including acoustic spectral noise logging, slow strain transient thermal plumes, and speed of sound propagations with DTS...

Peripheral Gulf Rifting in Northeast Texas: REPLY

B. H. Walthall , Jack L. Walper

AAPG Bulletin

... that the particular structural settings should be criteria for the classification of faults. Different fault types may occur under different conditions...

Earth crustal analysis of Northwest Sabah region inferred from receiver function method

Abdul Halim Abdul Latiff, Faridah Othman

Geological Society of Malaysia (GSM)

... and the station is not aligned and thus, a two-dimensional rotation is conducted to isolate the energy of different wave types. P-waves are mostly...

Beam Migration for Imaging of Complex Structures

Karl Schleicher, John Sherwood, Lynn Comeaux, Mazin Farouki

Indonesian Petroleum Association

...) for the common offset (hx,hy). This yields certain improved signal to noise characteristics over normal full wavefront Kirchhoff migration, where data from...

Qualitative and Quantitative Processing of Side Scan Sonar Data

F.S. Dwan, A.L. Anderson, T.W.C. Hilde

Circum Pacific Council Publications

... represent different patches of seafloor which show similar acoustic characteristics. The backscattering strength is the major acoustic property...

ABSTRACT: The Transgressive Events and Mechanism of Coal Formation in Epicontinental Sea Basin; #90013 (2003)

Zengxue Li, Jifeng Yu

Search and Discovery.com

... accumulation basin. The authors have studied the sedimentary series of transgression events in the coal-bearing strata and the characteristics...

The Rawa Besar Lake Area (Depok, Indonesia) Study Using Ground Penetrating Radar; #80291 (2013)

Annisa Cinintia Finahsan and Supriyanto Suparno

Search and Discovery.com

... of the data, by increasing the value of its signal-to-noise ratio. Each data has different characteristics, so the processing is done in different processes...

Electrical Methods: Part 7. Geophysical Methods

Arnold S. Orange

AAPG Special Volumes

... distribution of the subsurface can be interpreted in terms of soil characteristics and/or rock type and geological structure. Resistivity data are usually...

Unsupervised compensation of spiral-shaped drone magnetic survey using a recurrent convolutional autoencoder

Brett Bernstein, Yaoguo Li, Richard Hammack, Colton Kohnke

International Meeting for Applied Geoscience and Energy (IMAGE)

... and the results are compared. Compensation using the autoencoderbased method yields a total field anomaly that is cleaner with a reduced level of noise...

ABSTRACT: Tectonostratigraphy of Sedimentary Basins Subjected to Multiphase Rifting - Learnings from the Middle-Upper Jurassic of Northern North Sea; #90007 (2002)

Rodmar Ravnas

Search and Discovery.com

... between the different rift basin infill types, as do the sedimentary responses to tectonic processes. Recognition of the inherent characteristics...

How to Improve the Definition of Seismic Reflection Data

D. Michon, R. Garotta

Indonesian Petroleum Association

..., the seismologist wavers between two directions. Firstly, he wants to have and to maintaine the highest possible signal-to-noise ratio. Secondly, he wants to obtain...

Experience with Surface and Downhole Vector Wavefield Recording in Central Sumatra

Eddy Murhantoro, Jeff Wright

Indonesian Petroleum Association

... and dynamically equalised. A 3-fold horizontal sum was carried out to improve the signal/noise ratio. Six main events were used to correlate the two...

Extracting surface wave dispersion spectra directly from the high-speed train induced vibration

Shengpei Xia, Xinyue Pan, Xiaokai Wang, Wenchao Chen, Jingrui Luo, Haixia Zhao, Wenjing Yan

International Meeting for Applied Geoscience and Energy (IMAGE)

... to inaccuracies in extracting the surface wave dispersion spectrum. Therefore, we simulated 16 HST events at different train speeds to compensate...