Dear Sirs/Madams,
This is to let you know that HAGI is going to conduct these following
course :
\" GEOPHYSICS UNDER STRESS : GEOMECHANICAL APPLICATIONS OF SEISMIC
BOREHOLE ACOUSTIC WAVES \"
Date : Jun 10, 2010
Instructor : Dr. Colin Sayers
SEG/ AGE Distinguished instructor Short Course
Venue : Le Meridien Hotel - Jakarta
Fee : USD 160 ( Member HAGI, SEG, EAGE )
USD 200 ( Others )
Includes: course kit, lunches and refreshments
ABOUT THE COURSE
The following topics will be addressed in the course:
* Introduction to the effects of stress in the earth. Why pore pressure,
in-situ stress and geomechanical properties are important.
* Sediment compaction and the state of stress in the earth. Vertical stress,
pore pressure and sediment compaction. Horizontal stress in a relaxed
basin. Estimation of the minimum and the maximum horizontal stress.
Tectonic strains.
* Pore pressure. Velocity vs. effective stress relations. Pore pressure
estimation from velocity. Clay diagenesis. Unloading. The need for fit-
for-purpose seismic velocities. Uncertainty analysis. Combining seismic
velocities with well velocities for improved pore pressure estimation.
Dipping layers and lateral pore pressure transfer.
* Stress sensitivity of sandstones. Third-order elasticity theory.
dependence of elastic wave velocities on porosity in sandstones. The
importance of compliant grain boundaries, microcracks and fractures on
velocities in sandstones. The use of elastic waves to monitor stress-
induced damage.
* Wellbore stability and wave velocities near a borehole. Stress changes in
the vicinity of a borehole. Mechanical behavior of rock in the vicinity of
a borehole. Stress dependence of elastic wave velocities. Linearized
expressions for the change in velocity for small changes in stress.
* Reservoir geomechanics and 4D seismic monitoring. Reservoir stress path.
The effect of stress path on rock deformation and failure. Rock failure.
Monitoring reservoir stress changes using time-lapse seismic. The
difference in reservoir stress path between injection and depletion.
* Fractured reservoirs. Effects of fractures on seismic waves. Multiple
fracture sets. Amplitude Versus Offset and Azimuth (AVOA). Simplifications
for weak anisotropy. Effects of inequality between the normal and shear
compliance of fractures. Microstructural models of fracture compliance.
The seismic anisotropy of shales. The relation of shale anisotropy to
microstructure. The effect of interparticle regions on seismic anisotropy.
Clay mineral anisotropy. Effect of disorder in the orientation of clay
particles. The static elastic moduli for a TI medium and the implications
for hydraulic fracture containment.
For more information please call secretariat:
Secretariat HAGI
Patra Office Tower 20th Floor (Suite 2045)
Jln. Jendral Gatot Subroto Kav. 32-34 - Jakarta 12950 - Indonesia
T/F : (+62-21) 525-0040
Contact : Kathy
Email : [email protected] / [email protected]
Best Regards,
Katrin Leksandri
Sec. HAGI
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PP-IAGI 2008-2011:
ketua umum: LAMBOK HUTASOIT, [email protected]
sekjen: MOHAMMAD SYAIFUL, [email protected]
* 2 sekretariat (Jkt & Bdg), 5 departemen, banyak biro...
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Ayo siapkan diri....!!!!!
Hadirilah PIT ke-39 IAGI, Senggigi, Lombok NTB, 29 November - 2 Desember 2010
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Pembayaran iuran anggota ditujukan ke:
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No. Rek: 123 0085005314
Atas nama: Ikatan Ahli Geologi Indonesia (IAGI)
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