All publications

10 November 2011

» Imaging breakthrough promises more reliable SRV calculations

18 September 2011

» Detection of a viscoelastic inclusion using spectral attributes of the quasi-stationary seismic surface response

18 September 2011

» Wave-equation microseismic imaging and event selection in the image domain

18 September 2011

» Low-frequency seismic imaging of an unproduced oil reservoir in Egypt

18 September 2011

» Towards a method for attenuation inversion from reservoir-scale ambient noise OBS recordings

23 May 2011

» A statistical strategy to analyzing passive seismic attributes

23 May 2011

» Locating High-productivity Areas of Tight Gas- sand Reservoirs Using LF Seismic Surveys

23 May 2011

» Laboratory Measurements of Seismic Attenuation from 0.01 to 100 Hz

23 May 2011

» Laboratory Investigation of Attenuation Value and Mechanisms in Fluid Saturated Rock

23 May 2011

» Pore Fluid Effects on Seismic P- and S-wave Attenuation in Rocks with Double Porosity and Patchy Saturation

23 May 2011

» Digital Rock Physics - Calibration with Laboratory Measurements

23 May 2011

» Approximations for the Quality Factor of the Interlayer-flow Model, its Minimum Value, and the Characteristic Frequency

23 May 2011

» Digital Rock Physics - Effect of Fluid Viscosity on Effective Elastic Properties

23 May 2011

» Low Frequency Seismic Survey at a Gas Storage Reservoir

08 October 2010

» Signal-to-noise estimates of time-reverse images

08 October 2010

» A passive low-frequency seismic survey in Abu Dhabi – Shaheen project

08 October 2010

» Comparison of 2D and 3D time reverse modeling for tremor source localization

08 October 2010

» A new laboratory system for the measurement of low frequency seismic attenuation

08 October 2010

» Evaluating low frequency passive seismic data against an exploration well program

08 October 2010

» Impact of fluid saturation on the reflection coefficient of a poroelastic layer

08 October 2010

» Time Reverse Characterization of Sources in 2D and 3D Heterogeneous Media

05 October 2010

» LF seismic improves E&P success

15 June 2010

» Source location using time-reverse imaging

14 June 2010

» Signal to Noise Estimates of Time-Reverse Images

14 June 2010

» Using spectral attributes to detect seismic tremor sources

14 June 2010

» Joint interpretation of multiple passive seismic data volumes

14 June 2010

» Signal-to-noise study in low-frequency passive seismic survey

14 June 2010

» Time Reverse Characterization of Sources in Heterogeneous Media

14 June 2010

» 3D-Imaging of 2D-Time Reverse Modeling

25 March 2010

» Finite-element simulations of Stoneley guided-wave reflection and scattering at the tips of fluid-filled fractures

06 January 2010

» Passive broadband seismometers sample natural seismic wave field to acquire low-frequency data

21 December 2009

» Low frequency seismic - A new tool for exploration and development

29 October 2009

» Extracting subsurface information from ambient seismic noise – an example from Germany

29 October 2009

» Computational determination of effective properties of rocks using 3D tomographic images

29 October 2009

» Using spectral attributes to detect seismic tremor sources – a synthetic study

29 October 2009

» Bayesian DHI using passive seismic low frequency data

28 October 2009

» Conceptual model of hydrocarbon reservoir related microtremors

28 October 2009

» Frequency-dependent reflections from a layer with attenuation caused by interlayer flow

26 October 2009

» Elastic time-reverse modeling imaging conditions

26 October 2009

» Special report: Low frequency seismic has numerous E&D applications

25 August 2009

» Preliminary model of hydrocarbon reservoir related microtremors and recent application in the Potiguar Basin

15 July 2009

» Time reverse modeling of low-frequency tremor signals

08 June 2009

» A low-frequency passive seismic survey in an urban setting in Germany

08 June 2009

» Imaging the exploding converter with elastic propagators

08 June 2009

» Preliminary model of hydrocarbon reservoir related microtremors

08 June 2009

» The reflection coefficient of a layer exhibiting high attenuation caused by interlayer flow

08 June 2009

» Reduction of noise effects on low frequency passive seismic data

08 June 2009

» Numerical estimation of effective properties of rocks using 3D tomographic images

23 March 2009

» Imaging conditions for time-reverse acoustics

22 March 2009

» Passive seismic study at an oil and gas field in Voitsdorf, Austria

03 March 2009

» A passive seismic survey over a gas field: Analysis of low-frequency anomalies

06 January 2009

» Low-frequency reflections from a thin layer with high attenuation caused by interlayer flow

01 November 2008

» Interaction of seismic background noise with oscillating pore fluids causes spectral modifications of passive seismic measurements at low frequencies

26 October 2008

» Trial of low frequency passive seismic technology for deep gas exploration in a frontier area

05 October 2008

» Spectral modiﬁcation of seismic waves propagating through solids exhibiting a resonance frequency: A 1-D coupled wave propagation–oscillation model

07 July 2008

» Comparison of finite difference and finite element methods for simulating two-dimensional scattering of elastic waves

30 June 2008

» Low-frequency seismic gives geophysicists a new look at reservoir information

09 June 2008

» Earthquake triggered modifications of microtremor signals above and nearby a hydrocarbon reservoir in Voitsdorf, Austria

07 May 2008

» Low-frequency microtremor anomalies at an oil and gas field in Voitsdorf, Austria

01 March 2008

» New technology companies need an intellectual property strategy

07 February 2008

» Time reverse modeling of low-frequency microtremors: Application to hydrocarbon reservoir localization

01 February 2008

» Recent developments in low frequency spectral analysis of passive seismic data

19 November 2007

» Low-frequency anomalies of seismic-wave reflections from poroelastic layers

01 November 2007

» Interaction of seismic background noise with oscillating pore fluids causes spectral modifications of passive seismic measurements at low frequencies

26 September 2007

» Time reverse modeling of microtremors: A potential method for hydrocarbon reservoir localization

25 September 2007

» Low-frequency anomalies in spectral ratios of single station microtremor measurements: Observations across an oil and gas field in Austria

25 September 2007

» Seismic low-frequency anomalies in multiple reflections from thinly-layered poroelastic reservoirs

25 September 2007

» Seismic low-frequency anomalies in multiple reflections from thinly-layered poroelastic

24 September 2007

» A hydrocarbon microtremor survey over a gas field: Identification of seismic attributs

25 August 2007

» Passive technology leads to active business for Spectraseis

24 August 2007

» Innovative Swiss technology for oil companies

11 June 2007

» Hydrocarbon related microtremors: Verification of an analytical oscillator model by numerical solutions of the Navier-Stokes equations

11 June 2007

» Scientific strategy to explain observed spectral anomalies over hydrocarbon reservoirs generated by microtremors

24 May 2007

» DHI getting offshore test

24 May 2007

» Seeking the universal hydrocarbon indicator: Low frequency, but high hopes

01 April 2007

» Low-frequency passive data find hydrocarbons

13 March 2007

» Excitation of microseisms

01 January 2007

» Passive low frequency spectral analysis: Exploring a new ﬁeld in geophysics

10 December 2006

» Surface passive seismic in Kuwait

10 December 2006

» Marine application of hydrocarbon microtremor analysis

10 December 2006

» Time reversal for source imaging

10 December 2006

» Spectral anomalies in microtremors due to subsurface heterogeneities – 1D numerical simulations of poroelastic wave propagation

10 December 2006

» Interpretation of hydrocarbon microtremors as pore fluid oscillations driven by ambient seismic noise

01 October 2006

» Passive seismic method measures wave fields

13 September 2006

» Tecnología emergente en sísmica

24 July 2006

» Toward the low frequencies: land and marine equipment

14 June 2006

» New passive seismic method

12 June 2006

» Hydrocarbon microtremors interpreted as nonlinear oscillations driven by oceanic background waves

07 June 2006

» Nova tecnologia sísmica será aplicada na Bacia Potiguar

06 June 2006

» Nova tecnologia sísmica será aplicada na Bacia Potiguar

17 January 2006

» The influence of fluid-sensitive dispersion and attenuation on AVO analysis

01 January 2006

» Listen to this: Earth's subtle echoes harnessed to pinpoint oil and gas deposits

21 November 2005

» Hydro invests in new geophysical technology

21 November 2005

» Norsk Hydro invests in company developing geophysical technology

21 November 2005

» Norsk Hydro invests in Swiss geophysical technology company

01 November 2005

» Direct hydrocarbon detection experiment in Potiguar Basin

23 May 2005

» Applying microtremor analysis to identify hydrocarbon reservoirs

11 March 2005

» Information from seismic noise

04 February 2005

» The ocean’s seismic hum

30 September 2004

» Excitation of Earth’s continuous free oscillations by atmosphere-ocean-seafloor coupling

01 March 2004

» Seismic low-frequency effects in monitoring fluid-saturated reservoirs

01 January 2003

» Phenomenology of tremor-like signals observed over hydrocarbon reservoirs