Session I: Geological Control on Physical Properties of Shales

September 18th & 19th Seminar

Day 1

08:30 - 09:00Registration/Coffee

09:00 - 09:05Welcome& Safety

Session I: Geological Control on Physical properties of Shales

Chairman: Christian Hermanrud (Statoil)

09:05 - 09:35 Keynote - Andy Aplin: Depositional and diagenetic controls on shale texture and structure (University of Newcastle)

09:35 - 10:00From Shale to Clays, A.P. Bathija, M. Batzle (Colorado School of Mines) and M. Prasad (Indian Institute of Technology)

10:00 - 10:25 From geological processes and petrophysical properties to workflow and toolkits: Are we consistent? C. Hermanrud, G.M.G. Teige and H.M. NordgårdBolås (Statoil)

10:25 - 10:50 Velocity, density and porosity versus depth in mudstones offshore Norway, ØyvindMarcussen, Christer B. Peltonen, Nazmul H. Mondol, Knut Bjørlykke& Jens Jahren, (Department of Geoscience, University of Oslo).

10:50 – 11:15Coffee Break

Session II: Acoustic and Electrical Properties of Shales

Chairman: ErlingFjær (Sintef)

11:15 - 11:45Keynote - Brian Hornby(bp) :Elastic and electrical properties of a compacting shale: physical measurements and theoretical framework.

11:45 - 12:10Resistivity-Velocity Transforms Revisited, Pinar Hacikoylu(Rock Solid Images), Jack Dvorkin, and Gary Mavko (Stanford University)

12:10 - 12:35 Permeability of clays during burial and its relationships with stress, porosity and acoustic velocity - An experimental study

NazmulHaqueMondol, Knut Bjørlykke, Jens Jahren, Christer BertelPeltonen and ØyvindMarcussen (Department of Geoscience, University of Oslo)

12:35 - 13:00 Discussion - Moderators: David Dewhurst (CSIRO) /Nader Dutta(WesternGeco)

13:00 - 13:50 Lunch

Session III – Pressure & Stress impact on acoustic properties

Chairman: Tron Kristiansen (bp)

13:50 - 14:20 Keynote by Dan Ebrom: Effective signatures of stress, Dan Ebrom, Martin Albertin (BP)

14:20 - 14:45 Longterm monitoring of porewater pressure around the Mont Terri Rock laboratory in the Opalinus clay formation, Paul Marschall and Peter Blümling (Nagra – National Cooperative for the Disposal of Radioactive Waste)

14:45 - 15:10Stress determination and pore pressure measurements performed at the Meuse/haute-Marne Underground Laboratory,

Y. Wileveau and J. Delay, (ANDRA – National Radioactive Waste management Agency, France).

15:10 - 15:35 Coffee Break

15:35 - 16:00 Impact of Heterogeneity and Stress on Petrophysical and Ultrasonic Response in Shales, David N. Dewhurst, Anthony F. Siggins, M. Ben Clennell, (CSIRO), Hege M. NordgårdBolås (Statoil).

16:00 – 16:25The effect of stresspath on the sonic response of Pierre Shale

NajwaYassir, Christian Lehr, Arjan van der Linden, FransKorndorffer and John Dudley - Shell International Exploration and Production

16:25 – 16:50Discussion - Moderator: FransKets (Shell) / ErlingFjær (Sintef)

19:30Dinner at De RødeSjøhus sponsored by BG Norway and Statoil

Day 2

Session IV – Time-lapse effects in Shales

Chairman: Olav Barkved

09:00 - 09:05Welcome& Safety

09:05 – 09:45Keynote - Luca Duranti:"Constitutive relationship for elastic anisotropy of shales: High frequency model" by Luca Duranti and Russ Ewy.(Chevron)

09:45 - 10:10Acoustic Wave Velocities in Shales: Experimental studies and modeling, ErlingFjær, AudunBakk, Jørn F Stenebråten, RafigManafov, Rune M Holt, SINTEF Petroleum Research/NTNU

10:10 - 10:354D seismic observations of velocity changes in shales during unloading, R. S. H. Pettersen, O. I. Barkved, bp

10:35 - 11:00Coffee Break

11:00 - 11:25Using 4D seismic data and geomechanical modelling to understand pressure depletion in HPHT fields of the Central North Sea, Rob Staples, Joel Ita, Rebecca Nash, Paul Hague & Rhian Burrell - Shell International Exploration and Production

11:25 – 11:50Gullfaks: 4D in heterogeneous reservoir zones, Kjetil Andreas Festervoll and Youness El Ouair (Statoil)

11:50 – 12:154D sensitivity versus net-to-gross for finely layered sand-shale reservoir units by Alexey Stovas and Martin Landrø, NTNU.

12:15 - 1300Discussion – Moderators: Martin Landrø (NTNU), Olav Barkved (BP)

13:00 - 13:50 Lunch

Session V – Shales and impact on imaging

Chairman: GerdKleemeyer (Shell)

13:50 - 14:20 Keynote - Rodney G Johnston (bp) :

“Imaging in the Caspian despite the Maykop shale”.

14:20 - 14:45 Imaging overburden properties using passive seismic methods, Michael Kendal (University of Bristol)

14:45 - 15:10 Depth consistent P- and S-wave seismic angle tomography

S.-K. Foss (Statoil Research), B*. Ursin (NTNU) , M.V. de Hoop (PurdueUniversity, USA), A. Sollid (Hydro ASA)

15:10 -15:30 Summary and Reflections - Knut Bjørlykke (University of Oslo) /

BjørnUrsin (NTNU)

15:30Joint Transport to Sola Airport