... to the ground through trenching and compaction. We demonstrate this consistency for high amplitude and wide bandwidth seismic waves generated with a vibroseis truck. The measurements made with DAS and geophones are compared in both the time- and frequency-domains and their similarities and differences...

... exploration geophysicist upstream oil & gas reservoir characterization compaction applied geoscience reservoir compressibility fulmar formation international calibration energy 10 geophysical prospecting north sea equation 6 society reservoir simulation Reservoir R factor estimation...

... introduce a method to predict reservoir porosity from seismic velocity in clastic sedimentary basins consisting mainly of sand and shale sequences. It entails using velocity as a measure of compaction in a rock-physics study instead of commonly used depth of burial. We present the methodology...

...:10 AM Location: 360A Presentation Type: Oral structural geology compaction full strain tensor mudrock stiffness reservoir characterization geomechanical model pore aspect ratio seg international exposition sediment effective elastic stiffness strain tensor aspect ratio elastic...

... & gas thickness compaction underburden franklin elgin The Elgin Franklin and West Franklin fields are HP/HT fields located in the Central North Sea. These fields have undergone significant depletion. Each field shows a different 4D behaviour in the overburden although the reservoirs are very...

... reservoir geomechanics cement formulation well integrity cement chemistry reservoir characterization zonal isolation casing and cementing strength composite specimen presented axial strain shear bond strength compaction cement property saudi arabia government upstream oil...

... fraction modeling porosity cementation evolution structural geology smectite geologic time mineral composition microstructure compaction evolutionary rock physics seg international exposition upstream oil & gas reservoir geomechanics reservoir characterization mudrock pressure modeling...

..., compaction and structural deformation in a fully coupled thermal-poro-mechanical framework. We describe important features of the model, we present a workflow for construction and calibration of models to subsurface data and interpretation, we demonstrate an application of the approach to a mini-basin...

... to provide a better understanding of the reservoir properties. Bulk density, P-wave velocity, and elastic moduli are extracted from four wells for analyzing the depth and temperature effects on compaction. A combination of three effective medium models is used for cement volume diagnostics. Presentation...

... of effective stress and velocities, 4. application of NSS, 5. calculation of BM vs. Null Space velocity deviation, 6. establishing effective stress correction required to change velocity from old to new at each XYZ point, and 7. computation of new compaction and permeability curves to be used in final basin...

... imaging levin geophysics department rock physics workflow porosity mud weight data migrated image angle gather upstream oil & gas physics seg international exposition diagenesis pore pressure velocity model building huy velocity model legacy velocity compaction modeling...

.... Walderhaug , 1999 , Predicting porosity through simulating sandstone compaction and quartz cementation : AAPG Bulletin , 83 , 433 – 449 , 10.1306/00aa9bc4-1730-11d7-8645000102c1865d . Marcussen , Ø. , T. E. Maast , N. H. Mondol , J. Jahren , and K...

... to the complex interactions of porosity, change in partial fluid saturations and fluid compressibilities, change in pore pressure and the resulting compaction or dilation. Specifically, we use vertical strain in computing a change in effective stress to estimate velocity changes. The results show...

... characterization open file database upstream oil & gas porosity sandstone compaction sandstone reservoir lithology annual meeting Odegaard , E. , and P. Avseth , 2004 , Well log and seismic data analysis using rock physics templates : First Break , 22 , 37 – 44...

... annual meeting effective stress tomography velocity model building seg seg international exposition rock physics model dutta reservoir geomechanics application velocity model gulf reservoir characterization upstream oil & gas compaction overburden stress earth model building...

... ABSTRACT Seismic velocity and velocity anisotropy play an important role in imaging, pore pressure prediction and quantitative reservoir characterization. Velocities in rocks are affected by many geologic factors including compaction and diagenesis. We present a methodology to integrate...

..., the velocities are highly temperature-dependent. Moreover, owing to the difference in porosity, compaction, and heavy oil viscosity, oil sands in distinct fields display difference between them. In this paper, we compared the heavy oil sands from Alaska and Alberta, and analyzed the geological factors that can...

... mechanisms. Four types of well are labeled, corresponding to four pore pressure scenarios: normal compaction or disequilibrium compaction, fluid expansion, fluid loss, and a mixture of fluid expansion and loss. The developed procedures assist people to rapidly determine which empirical relations to use while...

... independent field observations. Firstly, simulated stress values were corroborated with observed losses during casing and cementing. Secondly, observed time-lapse seismic shifts associated with reservoir compaction and overburden elongation agreed with compaction features and magnitude simulated by the model...

... between the velocity change and the strain field induced by reservoir compaction. The model involving only vertical strain component predicts a similar time-shift with offset behavior as that observed from the data. We do not observe a strong decrease of time-shifts with offset as reported in previous...