An Inverse Approach for Relating Seismic Velocity and Overpressure to Permeability and Sedimentation History in Deep Basins, #40863 (2012)

Hector M. Moreno, Tim A. Minshull, Rosemary A. Edwards,

Search and Discovery.com

... to data from the Eastern Black Sea Basin where the P and S wave velocity structure are well known from wide-angle seismic work and the lithology...

Integration of Multicomponet Surface Seismic, Multicomponent VSP and Microseismic in Reservoir characterization

Paul Constance, Jim Simmons, Shihong Chi, Lisa Sanford

Unconventional Resources Technology Conference (URTEC)

... the results from applying the PP velocity anisotropy method over the data set. The results show rapid variation in anisotropy across the survey...

Estimating Stimulation-Zone Anisotropy Effects During Microseismic Monitoring

Martin Karrenbach, Steve Cole, Victor Yartsev

Unconventional Resources Technology Conference (URTEC)

..., is indicative of anisotropy, and an anisotropic model is needed to process such data properly. The initial velocity model is often derived from well...

Ranking Influence of Microfabrics and Microporosity on Acoustic Propagation in Unconventional Tight Carbonate Reservoirs

Abdallah Abdelkarim, Mohammed Makkawi

Unconventional Resources Technology Conference (URTEC)

.... Ultrasonic compressional velocity (P-wave V) vs. shear velocity (S-wave V). D. Ultrasonic compressional velocity (P-wave V) vs. elastic strength obtained from...

Efficient interdisciplinary workflow for predrill seismic pore pressure prediction

Josue Fonseca, Anshuman Pradhan, Tapan Mukerji

International Meeting for Applied Geoscience and Energy (IMAGE)

... basin modeling (GBM) as the procedure of estimating velocity models from more rigorous rock physics models along with the outcomes of basin models...

Paleohydrology of the Eocene Las Palmas Gravels, Baja California, Mexico

Scott D. McDonough, Patrick L. Abbott

Pacific Section SEPM

... for shallow streams. Roster (1978) developed a formula from Novak (1973) as follows: V= 49 d- 3 8 1 Equation 14, where V is the velocity in cm per second...

Comparison of Interval Velocity and Inversion Velocity Usage to Build 3D Pore Pressure Models - Case Study: JA Field, East Java Basin

Jihan Hardiyanti Arief, Alamsyah M. Juwono, Muhajir

Indonesian Petroleum Association

... seismic data, interval velocity volume data (Figure 4), data from three wells, and inversion velocity volume data. The data from the wells...

Rock Physics Diagnostics as a Prerequisite for Optimal Petrophysics

Akash Mathur, Hilfan Khairy

Indonesian Petroleum Association

... used for estimating porosity from DT followed by porosity-velocity trend quantification using theoretical rock physics theoretical models...

Pore Pressure and Elastic Moduli Estimation Considerations for a Simplified Geomechanical Model for Unconventional Plays. A case study in the Vaca Muerta Formation

Sergio Cuervo, Ezequiel Lombardo

Unconventional Resources Technology Conference (URTEC)

... field stresses from commonly available well logs. TIV anisotropy in the shale intervals, velocity relationship with effective stress, poroelastic...

EXTENDED ABSTRACT: Geological Perception of Pore and Fracture Prediction: Case Histories from the Gulf of Mexico

Shaker, Selim S.

GCAGS Transactions

... on the NCT was 0.010750 for the velocity and 0.000119 for the resistivity. The matrix stress coefficient (K) was calculated from the LOT's...

Paleohydrology and Paleomorphology of a Carboniferous, Meandering, Fluvial Sandstone

Thomas W. Gardner

Journal of Sedimentary Research (SEPM)

... (1978) deferred from making velocity estimates because of the difficulty in estimating the roughness coefficient for the Manning equation...

Generalization Capability of Data-driven Deep Learning Models for Seismic Full-waveform Inversion: An Example Using the OpenFWI Dataset

Ayrat Abdullin, Umair Bin Waheed

International Meeting for Applied Geoscience and Energy (IMAGE)

... gridded or layered velocity models from shot gathers. The method demonstrates promising results for synthetic 2D data, offering a fast and efficient...

Seismic Attenuation Analysis for Reservoir Description

Search and Discovery.com

... is the NMO shift at an offset for an event starting from two8Q way traveltime t 0 at zero-offset. Δt is a function of t 0 , RMS velocity and offset...

Seismic-attribute Analysis for Gas-hydrate and Free-gas Prospects on the North Slope of Alaska

M. W. Lee, T. S. Collett, T. L. Inks

AAPG Special Volumes

... reservoirs of gas-hydrate-bearing and partially gas-saturated sediments derived from panel A used for model studies. Vs = shear wave velocity, 1 km...

Geophysics: The Potential and Limits for Reservoir Description and Monitoring, by R. J. Graebner; #90986 (1994).

Search and Discovery.com

Lithological and Zonal Porosity-Permeability Distributions in the Arab-D Reservoir, Uthmaniyah Field, Saudi Arabia

Salih Saner and Ali Sahin

AAPG Bulletin

... porosity and permeability distributions and to identify the association of high permeability, in Darcy range, with lithology and defined reservoir zones...

Joint inversion of first-arrivals with full waveform inversion: improving the near-surface model for depth imaging the Marcellus shale of Bradford County, PA

Search and Discovery.com

Acoustic Properties of Ancient Shallow-Marine Carbonates: Effects of Depositional Environments and Diagenetic Processes (Middle Jurassic, Paris Basin, France)

Benjamin Brigaud, Benoit Vincent, Christophe Durlet, Jean-Francois Deconinck, Philippe Blanc, Alain Trouiller

Journal of Sedimentary Research (SEPM)

... Wyllie and Raymer transforms fit very well with the linear regression between acoustic velocity and porosity from mudstone or lagoonal facies. Marls...

Flow velocity model for a coastal estuarine sandbar using multivariate regression

Edlic Sathiamurthy, Nurul Syamimi Pauzi

Geological Society of Malaysia (GSM)

... multivariate regression. Dataset from 28 February 2009 - 3 March 2009 with 1 minute time step was used to build an initial model. The mean velocity generated...

Integration of geology, rock physics, logs, and prestack seismic data for reservoir porosity estimation

Abdulaziz M. AlMuhaidib, Mrinal K. Sen, M. Nafi Toksoz

AAPG Bulletin

...% at a given velocity. The velocity scatter around the Wyllie time average equation may introduce uncertainty in estimating porosity from P-wave velocity...

North American Shale Gas Reservoirs - Similar, yet so Different.., #80136 (2011)

Murray Roth,

Search and Discovery.com

... or statistically to create spatial estimates of extractable properties like lithology or clay content (left) in this example from the Marcellus shale play...

Analytical and Numerical Studies of Sand Erosion in Electrical Submersible Pump (ESP) Systems

Saúl Gómez Díaz de Bonilla, Her-Yuan Chen

Unconventional Resources Technology Conference (URTEC)

... velocity, blade angles, liquid velocity, solid concentration, and solid impingement angle. Conclusions from both analytical and numerical studies...

Tomographic Imaging of Lesser Antilles Slab, Significance for Estimating the Age and Amount of Eastward Motion of the Overriding Caribbean Plate.

Search and Discovery.com

Analytical Method to Accurately Estimate Overpressure Magnitude: The Case Study from Indonesia's Tertiary Basins

Agus M. Ramdhan, Lambok M. Hutasoit, Arifin

Indonesian Petroleum Association

... overpressure from wireline log suites. The most used method for estimating overpressure from wireline log suites is the Eaton’s method (Eaton, 1975...

Facies-constrained elastic full-waveform inversion for tilted orthorhombic media

Ashish Kumar, Ilya Tsvankin

International Meeting for Applied Geoscience and Energy (IMAGE)

...-resolution parameter fields confirm that our FWI algorithm is capable of estimating the essential reservoir attributes from multicomponent surface data...