What do acoustic FWI derived amplitudes mean in terms of elastic properties?

Dhananjay Kumar, Ana Garcia-Ceballos, Joe Dierkhising, Abigail Maxwell, Akkel Paul

International Meeting for Applied Geoscience and Energy (IMAGE)

... more strongly with acoustic or elastic impedance than with P-wave velocity. Therefore, we suggest using acoustic or elastic impedance well logs...

Characterization of a Shallow Steamed Oil Reservoir Using Crosswell Seismology

Bjorn N. P. Paulsson, John W. Fairborn

Indonesian Petroleum Association

.... Well log velocity and tomogram velocity adjacent to well OW4 as function of depth. The well log velocities are averaged over 20 feet intervals. Note...

Time-domain extended-source full-waveform inversion for acoustic vertically transversely isotropic media: Theory and numerical validation

Gaoshan Guo, Stephane Operto, Hossein S. Aghamiry

International Meeting for Applied Geoscience and Energy (IMAGE)

... the numerical tests using the augmented Lagrangian method. The generalized form of the penalty function is given by ns = s=1 1 Ps us − d∗ s 2 2 Qd s µ A(m...

Porosity Variation Detection using Seismic Velocity in Unconventional Shale Reservoirs: Antrim, Marcellus and Collingwood Shales, #90116 (2010)

Jerome B. Blaxton

Search and Discovery.com

...Porosity Variation Detection using Seismic Velocity in Unconventional Shale Reservoirs: Antrim, Marcellus and Collingwood Shales, #90116 (2010...

How to Improve the Definition of Seismic Reflection Data

D. Michon, R. Garotta

Indonesian Petroleum Association

... to be higher than 10 km/sec. You see on fig. 2 that this velocity is reached at a 40° m offset at 1 second. For a constant vertical velocity function...

Investigation of DMO Algorithms during Test-Line Processing: Some Recommendations

Ng Tong San, Mohd. Hashim Abas, Leong Lap Sau

Geological Society of Malaysia (GSM)

... not be used solely for suppressing high velocity linear noise and lessening back scattered energy. Other filtering options are available. INTRODUCTION...

ABSTRACT: A Coupled Petrophysical-Geophysical Model Demonstrates Velocity Dispersion in a Thin-Bedded, Fluvial Reservoir, by Odom, Richard C.; #90142 (2012)

Search and Discovery.com

Comprehensive Use of VSP Technology at Elk Hills Field, Kern County, California, by R.J. Brewer and Don Greenfield, #40091 (2003).

Search and Discovery.com

Sonic Logging in South Texas

W. P. Biggs

GCAGS Transactions

... in producible formations. A simple linear relationship between formation velocity and porosity has been proposed by Mr. M. R. J. Wyllie. It has been very...

The Application of Image Processing Techniques for Complex Structures

V. Sudhakar, I. T. McMahon

Indonesian Petroleum Association

... moveout velocity so NMO correction can be done with a single velocity function. Migration using an appropriate method dependent on velocity complexity...

Bed Configurations

J. C. Harms, J. B. Southard, R. G. Walker

Special Publications of SEPM

... flumes and natural flows, and summarizes some of the material in the next two sections. Bed Configurations in Flumes Using depth-velocity and size...

Limitations of Reflection Seismograph

L. E. Nugent, Jr.

AAPG Bulletin

... be mitigated by construction of an isochron map or by calculation of a formation depth/velocity function. The efficacy of either method, however...

Abstract: A Comparison of 3D Azimuth-Angle Domain Common Image Gathers using Poynting Vector and Optical Flow Methods; #90254 (2016)

Young Seo Kim, Constantine Tsingas

Search and Discovery.com

... to estimate the accuracy and reliability of background velocity models used in prestack depth migration. Also, ADCIGs can provide information during...

Seismic Velocity Model Building in an Area of Complex Geology, Southern Alberta, Canada

Helen Isaac and Don Lawton

Search and Discovery.com

..., which is expected to be relatively undeformed. Prestack depth migration provides better images. Our most effective velocity models for prestack depth...

Gaining Insight into Formation Anisotropy Using Full Azimuth Imaging and Analysis Tools

Duane Dopkin, Anat Canning, Philip Neri

Indonesian Petroleum Association

... azimuth angle gathers in depth, using a rich decomposition procedure (EarthStudy 360™) designed to preserve all subsurface azimuths. Here velocity...

Research and application of near surface modeling in dual complex exploration areas

Xinyue Song, Duojun Zhang, Zaijin Zhang, Yi Bao, Cheng Wang, Zhonghua Zhao

International Meeting for Applied Geoscience and Energy (IMAGE)

... conditions were obtained by using the highprecision velocity field (Figure 7). Comparing with the Prestack depth migration image (Figure 6) obtained from...

Abstract: TTI Anisotropic Depth Migration: Which Tilt Estimate Should We Use?; #90211 (2015)

Francois Audebert and Volker Dirks

Search and Discovery.com

... to the tilt axis, is entirely determined as a function of the polar velocity (velocity along the pole axis) and the well known Thomsen parameters ε and δ...

Abstract: Full-Waveform Inversion of Field Data in the Foothills: Results and Challenges with Long-Offset Seismic; #90172 (2014)

Andrew J. Brenders, R. Gerhard Pratt, Sylvestre Charles

Search and Discovery.com

... thrust sheet overlying the slower clastics layers causes a sharp velocity inversion, severely limiting the depth of investigation. A better starting...

Application of wave-equation reflection traveltime inversion to the Liwan deep-water streamer data in the South China Sea

Yilin Wang, Liangguo Dong, Chao Huang, Jianming Zhang, Yuzhu Liu

International Meeting for Applied Geoscience and Energy (IMAGE)

... coupled. Therefore, in this study, we conduct the WRTI using a layer-stripping strategy to reconstruct the velocity model of the Liwan depression...

S-wave velocity prediction using a deep learning scheme and attention mechanism

Gang Feng, Wen-Qin Liu, Zhe Yang, Wei Yang, Jian-Hua Wang

International Meeting for Applied Geoscience and Energy (IMAGE)

...S-wave velocity prediction using a deep learning scheme and attention mechanism Gang Feng, Wen-Qin Liu, Zhe Yang, Wei Yang, Jian-Hua Wang S-wave...

ABSTRACT: Estimation of Net-to-Gross from P and S Impedance: Integration of Petrophysics and 3D Seismic Inversion; #90007 (2002)

Vernik, Lev, David Fisher, Steve Bahret

Search and Discovery.com

... closely match the upscaled log data and were combined using linear interpolation between the sand and shale trends to create a sand fraction volume...

Optimization of Gas Lift Allocation in Multi-Well System, a Simple Numerical Approach

Ulfia Rahma Fitra, Silvya Dewi Rahmawati, Pudjo Sukarno, Edy Soewono

Indonesian Petroleum Association

...s, pressure gradient equation can be represented as a function of pressure and depth, where for a certain injection flow rate, the liquid production flow rat...

Velocity Model Building Using Tilted Orthorhombic Depth Imaging for Full Azimuth Seismic Data

Yunfeng (Fred) Li, Qiaofeng Wu, Chuen-Song Chen

GCAGS Journal

...Velocity Model Building Using Tilted Orthorhombic Depth Imaging for Full Azimuth Seismic Data Yunfeng (Fred) Li, Qiaofeng Wu, Chuen-Song Chen...

Seismic Refraction Data from Sunda Shelf

Robert E. Houtz , Dennis E. Hayes

AAPG Bulletin

.... After integration and algebraic manipulation, the function transforms to a parabolic velocity-depth function with gradients that decrease with depth...

ABSTRACT: The Influence of Physical and Chemical Parameters on Organic Maturation- Application to the Shei Point Group in the Sverdrup Basin, Arctic Canada

D.N. Skibo, F. Goodarzi, K.R. Stewart, A.F. Embry

The Society for Organic Petrology (TSOP)

... Project cores given by Horai (1981) was combined with the empirical relationship for porosity as a function of depth, age and shale fraction given...