Alexey Stovas NTNU, Trondheim 2005

Slides:



Advertisements
Similar presentations
Electrical resistivity measurements and their uses in marine soils.
Advertisements

Title Petrophysical Analysis of Fluid Substitution in Gas Bearing Reservoirs to Define Velocity Profiles – Application of Gassmann and Krief Models Digital.
Time-lapse Seismic and AVO Modeling, White Rose, Newfoundland
3-D Fault Visualization with Fracture Swarms
Tim Armitage.  Shale Gas Reservoir's  The problems with Shale Reservoirs  What is needed to Create a usable model  Possible solutions to Porosity.
NORSAR Seismic Modelling
Important for : Conversion from traveltime to depth Check of results by modeling Imaging of the data (migration) Classification and Filtering of Signal.
5. AVO-AVA Introduction Weak-contrast, short spread approximation for reflection coefficient Information content Classification Tuning effect Examples.
AVO analysis & rock physics based AVO inversion
Inversion of Induced Polarization Effect Using Cole-Cole and GEMTIP Models Haiyan Fu 12/13/2011.
Measureable seismic properties
Xi’an Jiaotong University 1 Quality Factor Inversion from Prestack CMP data using EPIF Matching Jing Zhao, Jinghuai Gao Institute of Wave and Information,
Borehole Seismic Introduction
Processes altering seismic amplitudes
Some basic Log interpretation
HEAVY-OIL SEISMIC MONITORING at PIKES PEAK, SK I.A. Watson*, L.R. Lines and K.F. Brittle November 20, 2001.
7.Effective medium Upscaling problem Backus averaging
Elastic Inversion Using Partial Stack Seismic Data: Case Histories in China.
1 A Time-Lapse Seismic Modeling Study for CO2 Sequestration at the Dickman Oilfield Ness County, Kansas Jintan Li April 28 th, 2010.
Use of PP and PS time-lapse stacks for fluid-pressure discrimination. ALEXEY STOVAS 1, MARTIN LANDRØ 1 & BØRGE ARNTSEN 2 1 NTNU, Dept. of Petroleum Engineering.
VostokVostok José M. Carcione (OGS, Italy). Location in Antarctica.
Geology 5660/6660 Applied Geophysics 26 Feb 2014 © A.R. Lowry 2014 For Fri 28 Feb: Burger (§8.4–8.5) Last Time: Industry Seismic Interpretation.
Reservoir Stress-Sensitivity
Specify chemical composition of fluid and formation minerals from the Initial pane. Set initial temperatureSet starting and ending times.
Geology 5660/6660 Applied Geophysics 23 Apr 2014 © A.R. Lowry 2014 Last Time: Wireline Logging Wireline Logging is the practice of lowering a geophysical.
Impact of MD on AVO Inversion
Capillary Pressure Brooks and Corey Type Curve
Global Tomography -150 km depth
Seismic Petrophysics Andy May April 14, Rock Physics Determine the in-situ acoustic properties of the reservoir and surrounding rocks and their.
Transmission coefficients for P and S waves in HardBego stones The point where the incident ray reaching the S critique angle hits the interface The point.
Shibo Xu & Alexey Stovas, NTNU , Loucen, Czech Republic Estimation of anisotropy parameters by using the CRS approximation NTNU, Trondheim1.
The following discussions contain certain “forward-looking statements” as defined by the Private Securities Litigation Reform Act of 1995 including, without.
Wave-Equation Waveform Inversion for Crosswell Data M. Zhou and Yue Wang Geology and Geophysics Department University of Utah.
Geology 5660/6660 Applied Geophysics 20 Apr 2016
Geology 5660/6660 Applied Geophysics 26 Feb 2016 © A.R. Lowry 2016 For Mon 29 Feb: Burger (§8.4) Last Time: Industry Seismic Interpretation Seismic.
Seismic Methods Geoph 465/565 Vertical Seismic Profiling– Nov 2, 2015
SEISMIC ATTRIBUTES FOR RESERVOIR CHARACTERIZATION
68th EAGE Conference and Exhibition, Vienna 1 Impact of Time Lapse Processing on 4D Simultaneous Inversion The Marlim Field Case Study C. Reiser * 1, E.
Amit Suman and Tapan Mukerji 25th SCRF Annual Meeting May 9 – 11, 2012
Global Tomography -150 km depth
INSTRUCTOR © 2017, John R. Fanchi
Amit Suman and Tapan Mukerji
Discrimination between pressure and fluid saturation using direct non-linear inversion method: an application to time-lapse seismic data Haiyan Zhang,
SUBSEA GAS BOOSTING Jon Steinar Gudmundsson October 8, 2008
Small scale reflection seismology
Well Logging Gly 326.
Reservoir Characterization in Leming Lake, Alberta
Uncertainties in quantitative time-lapse seismic analysis by M
Lithology Fluids Total Porosity Modeled Stack Sands Shale
Dario Grana, Tapan Mukerji
Seismic Response What causes a seismic response?
by A. Belaidi, D. A. Bonter, C. Slightam, and R. C. Trice
Elements of 3D Seismology: Introduction to Interpretation
Thin beds have almost no impact due to destructive interference
Upscaling of 4D Seismic Data
Group Discussions Reservoir Group Multiphase Flow Group Seismic Group.
Objectives of Well-Seismic Ties
The Convolution Method
Elastic Moduli Young’s Modulus Poisson Ratio Bulk Modulus
Integration of reservoir simulation with time-lapse seismic modeling
Integration of reservoir simulation with time-lapse seismic modeling
Pressure drawdown to a gas condensate well
Interpreted ranges of effective fracture apertures.
Example 1 of SPE : Simultaneous versus Well-by-Well Optimization
PPT Design on 3D models Landysh Minligalieva Reservoir Engineer
Estimation of True (Angle-Dependent) Reflection Coefficients in 3-D Prestack Depth Migration of Seismic Data George A. McMechan, Center for Lithospheric.
Experimental Investigation of the Effect of Pressure and Fluid Saturation on Carbonate Rocks Gary Mavko, Department of Geophysics, Stanford University,
Capillary Pressure: Reservoir Seal Capillary Pressure / Saturation Relationship (Sw* Model) .
QUANTITATIVE RESERVOIR CHARACTERIZATION USING ROCK PHYSICS, SEISMIC AND GEOLOGICAL CONSTRAINTS – EXAMPLES FROM SEMLIKI BASIN IN ALBERTINE GRABEN By Nakajigo.
Packing of uniform spheres
Presentation transcript:

Alexey Stovas NTNU, Trondheim 2005 Reservoir Seismic Alexey Stovas NTNU, Trondheim 2005

Course content Introduction Ray-tracing modelling Geometrical spreading Attenuation Reflection coefficients AVO-AVA Anisotropy (traveltimes, time processing, AVA, PP&PS) Effective models (Backus, O’Doherty-Anstey, Gassmann) 4D-seismic Industry examples

Geology, Physics Reservoir model: porosity, lithology, minerals, fluids, pressure-saturation, temperature, permeability, anisotropy Seismic model: density, bulk modulus, shear modulus, attenuation, anisotropy Surface seismic Production data VSP OBS Well-logs Estimated elastic parameters Synthetic seismic data Reservoir simulations Reservoir descripton