A Novel Method of Deriving Weathering Statics from First Arrival Refractions

G. W. Hollingshead, R. R. Slater

Pacific Section of AAPG

... treatment for those special cases when such an analysis would be useful. Presented here is a special method of displaying refraction data from regular...

Design and Calibration of a Photo-extinction Settling Tube for Grain Size Analysis

Asahiko Taira , Peter A. Scholle

Journal of Sedimentary Research (SEPM)

...), A new type of settling tube has been designed for analysis of settling velocity distribitions in sediments having diameters ranging from clay...

In Situ Stress Prediction Using Differential Strain Analysis and Ultrasonic Shear-Wave Splitting

B. Widarsono, J. R. Marsden, M. S. King

Indonesian Petroleum Association

... of the S-wave splitting analysis have shown that the third principal stress is usually vertical (i.e, they show minimum velocity at 90° from vertical...

Imaging of multiwell and multifiber walkaway DAS-VSP datasets in a CCUS demonstration project onshore Japan

Yuji Yamada, Shotaro Nakayama, Takuji Mouri, Manish Lal Khaitan, Philip Armstrong, Olga Podgornova

International Meeting for Applied Geoscience and Energy (IMAGE)

...) analysis. For this analysis, corrections for the gauge length effect and data conversion from strain to velocity were performed (Sayed et. al., 2021...

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)

...) No. 9. (September) Examination of petrophysical properties (acoustic velocity, porosity, permeability, and density) and petrographical characteristics...

Performance of elastic FWI for different wrapping angles of helical fiber in seafloor-deployed DAS

Shogo Masaya, Masanori Tani

International Meeting for Applied Geoscience and Energy (IMAGE)

...) of HWF in DAS acquisition at a well. However, these previous studies do not discuss the influence of HWF on velocity modeling. A couple of studies (Pan...

Dynamic Relationship Between Hydraulics and Sedimentation in the Altamaha Estuary

Glenn S. Visher, James D. Howard

Journal of Sedimentary Research (SEPM)

... cycles produces a stratified estuary with highest flow velocity below the highest rate of salinity change. This relation results in upper flow regime...

Subsurface Geology of North Carolina-South Carolina Coastal Plain from Seismic Data

William E. Bonini , George P. Woollard

AAPG Bulletin

... feet per second (3.2 to 4.4 km./sec.); and the highest velocity correlated with Cretaceous Coastal Plain sediments is 9,600 feet per second (2.9 km...

Chapter 7: Estimating the Thickness of Thin Beds

Tom Wittick

North Texas Geological Society

.... Figure 7-7. Amplitude Analysis of a Thin Tight Carbonate Unit with Embedded Porosity Zones In a high-velocity reservoir one must smooth the amplitude...

Estimating the Thickness of Thin Beds

Abilene Geological Society

... the host rock and those with lower acoustic impedance than the host rock. Since velocity is normally the dominant component of the acoustic impedance...

Physical Properties of Carbonate Reservoirs in South Sumatra

B. Sudewo, A. R. Suhendan, S. Chacko

Indonesian Petroleum Association

...). Gardner's Equation Based on statistical analysis of physical properties of sedimentary rocks, Gardner et al. (1974) reported the following density-velocity...

The Role of Statics Application in the Imaging of Sub-Surface in Fold Belt Areas, #40746 (2011)

Arun Kumar Arya, Bharat Chandra Joshi, Narinder Pal Singh,

Search and Discovery.com

... of velocity analysis. A velocity model was conceived based on the previously mentioned velocities and picked semblances in velocity spectrum. The velocity...

Seismic velocity … A strong identifier of gas prospects

Martin Essenfeld, Rafael Sandrea

GEO ExPro Magazine

...Seismic velocity … A strong identifier of gas prospects Martin Essenfeld, Rafael Sandrea F E R E M Y P G EX L O A T U R E S SXUXM P H Y S I C S O...

Abstract: Integration of Well Logs and Seismic Data for Prediction of Elastic Properties in a Heavy Oil Sand Reservoir: Manitou Lake, Saskatchewan; #90171 (2013)

Maria F. Quijada and Robert R. Stewart

Search and Discovery.com

... reservoir. Previous studies have shown that there is little change in the P-wave velocity at the sand/shale interface, while the shear-wave velocity...

Extracting surface wave dispersion spectra directly from the high-speed train induced vibration

Shengpei Xia, Xinyue Pan, Xiaokai Wang, Wenchao Chen, Jingrui Luo, Haixia Zhao, Wenjing Yan

International Meeting for Applied Geoscience and Energy (IMAGE)

... vibration through the time-frequency decomposition and the similarity-based velocity scanning. Compared to traditional surface wave multichannel analysis...

Origin of Bimodal Sands in Some Modern Environments

Asahiko Taira , Peter A. Scholle

Journal of Sedimentary Research (SEPM)

...Origin of Bimodal Sands in Some Modern Environments Asahiko Taira , Peter A. Scholle 1979 Vol. 49 No. 3. (September), Grain settling velocity...

Deep Crustal Structure of the Northwestern Gulf of Mexico

Yosio Nakamura ,, Dale S. Sawyer , F. Jeanne Shaub, Kevin MacKenzie , Jurgen Oberst

GCAGS Transactions

... into a continuous velocity profile for shallow structures, and moveout analysis of pre-critical reflections for interval velocities. For many areas...

3-D Tomographic Amplitude Inversion for Compensating Transmission Losses in the Overburden

Barry Hung, Kefeng Xin, Sergey Birdus, James Sun

Indonesian Petroleum Association

... that are not restricted to originate from near surface. The analysis is performed on the migrated data and based on the tomographic velocity updating algorithm described...

Using Multiazimuth Seismic Data for Anisotropy Estimation in an Unconventional Reservoir

Surabhi Mishra

Petroleum Exploration Society of Australia (PESA)

... azimuthal fracture detection techniques using 3D seismic data are: P wave azimuthal AVO analysis (AVAZ) and P wave azimuthal Velocity analysis (VVAZ...

Abstract: High-Accuracy Relative Event Locations using a Combined Multiplet Analysis and the Double-Difference Inversion; #90174 (2014)

Fernando Castellanos and Mirko van der Baan

Search and Discovery.com

...Abstract: High-Accuracy Relative Event Locations using a Combined Multiplet Analysis and the Double-Difference Inversion; #90174 (2014) Fernando...

Study to Predict Liquid Holdup in Undulating Pipeline

Leksono Mucharam, Evi Wahyuningsih, Muchammad Ircham

Indonesian Petroleum Association

.... It usually occurs in steep segments of pipe that requires more rate to transport all the liquids up the incline. Due to low velocity, liquid...

Deep neural networks for 1D impedance inversion

Vladimir Puzyrev, Anton Egorov, Anastasia Pirogova, Chris Elders, Claus Otto

Petroleum Exploration Society of Australia (PESA)

... networks can predict velocity models from new data in a few milliseconds, which makes this data-driven approach especially important...

Wave and Bottom Sediment Interactions over a Submerged Sand Bank during the Winter Cold-Front Season, Western Louisiana

Daijiro Kobashi, Felix Jose, Gregory Stone

GCAGS Transactions

... sediment re-suspension rather than currents, during cold front and post-frontal phases that occurred during the deployment. Shear velocity and turbidity...

Gabor Depth Migration using a New Adaptive Partitioning Algorithm

Yongwang Ma

Search and Discovery.com

...) and nonstationary phase shift (NSPS) theory and showed that GPSPI is the logical limit of PSPI, when a unique velocity is used for every spatial position. Outside...

Gabor Depth Migration using a New Adaptive Partitioning Algorithm

Yongwang Ma

Search and Discovery.com

...) and nonstationary phase shift (NSPS) theory and showed that GPSPI is the logical limit of PSPI, when a unique velocity is used for every spatial position. Outside...