Seismic first arrival tomography for top salt velocity update: A case study in the Santos Basin, Brazil

Paulo H. B. Alves, Marco Cetale, Roger M. Moreira, Sérgio L. E. F. da Silva, Jorge Lopez

International Meeting for Applied Geoscience and Energy (IMAGE)

... at the top salt, with tomographic results adjusting velocities accordingly, considering the model resolution. Strategies for optimizing forward...

Formation of Scalloped Cross-Bedding Without Unsteady Flows

David M. Rubin

Journal of Sedimentary Research (SEPM)

... "slack-water" current velocities are too high to allow deposition of mud. Instead of containing direct evidence of cyclic-flow unsteadiness, cross...

Outcrop-behind Outcrop (Quarry): Multiscale Characterization of the Woodford Gas Shale, Oklahoma

Roger M. Slatt, Nichole Buckner, Younane Abousleiman, Rafael Sierra, Paul R. Philp, Andrea Miceli-Romero, Romina Portas, Neal O'Brien, Minh Tran, Robert Davis, Timothy Wawrzyniec

AAPG Special Volumes

... structural dip and azimuth from the borehole image log behind the quarry range from 11NNW to 2NW; manual picks range from 9NNW to 3NW. A slight (3...

Late Miocene Tidal Shelf Sedimentation Santa Cruz Mountains, California

R. Lawrence Phillips

Pacific Section SEPM

... mean azimuth (V), the number of measurements (N), and the vector magnitude (L) in percent. One measurement was taken from each tabular cross-bed; two...

Use of the Sketching Case in Geologic Work: GEOLOGICAL NOTES

G. A. Waring

AAPG Bulletin

..., with thumb release, and is graduated to read Fig. 1. End_Page 672------------------------------ azimuth. The circle, also graduated to read azimuth...

Paleocurrent Directions in Late Triassic(?) Kayenta Formation, Capitol Reef National Park, Utah

David R. Friz

Utah Geological Association

... diagrams are shown in Figure 3. Cross-strata azimuth directions were taken first in each of the three units at each location, and then in the formation...

Hybrid COV Interpolation & Procesing: A Case Study on NW Tunu Transition Zone, Indonesia

Vishal Kumar, Doddy Biramandita, Wayne Zanussi, Jacques Bonnafe, Natalia Anggriani, M-Adam Cepi

Indonesian Petroleum Association

... offset vectors (COV) is a recent methodology to minimize offset and azimuth variations that is favorable to Pre-stack migration algorithms. However...

Least-squares migration utilizing high-resolution point spread functions generated from local angle domain illumination vectors

Matan Shustak, Orly Kletenik-Edelman, Ronit Levy, Zvi Koren

International Meeting for Applied Geoscience and Energy (IMAGE)

... associated with each point are decomposed (binned) into high-resolution 4D LAD tables consisting of their corresponding I/S directional (dip/azimuth...

Sampling Variability of Paleocurrent Cross-Bed Data in the Post-Myrick Station Channel Sandstone (Pennsylvanian), Missouri

Karl M. Looff, John F. Hubert

Journal of Sedimentary Research (SEPM)

...., v. 33, 159 p. End_of_Record - Last_Page 776------- This paper presents evidence on the number of cross-bed azimuth readings necessary...

5-D Interpolation Compensates for Poor Sampling, by Daniel Trad; #41504 (2014).

Search and Discovery.com

Reconstruction of the Subsurface Reflected Wavefield on a Dense Grid from Multisensor Streamer Data

M. Vassallo, K. Eggenberger, D.J. van Manen, P. Watterson, A. Raskopin, A. Özbek

Indonesian Petroleum Association

... records pressure and velocities in Cartesian coordinates. The unusual receiver depth was chosen to place the pressure ghost notch within the 30-Hz...

Geostatistical Inversion on Broadband Seismic Data: A Case Study Offshore Malaysia

Francois Baillard, Murthy Jayanthi Venkata Satyanarayana, Rakesh Doshi, Kwong Wee Poh, Rajat Rathore, Siew Mun Tan, Loic Michel, Eric Andersen, Shivaji Maitra, Riccardo Vercesi, Lam Hoang Do

Indonesian Petroleum Association

... Depth Migration and Multi-azimuthal stacking. Both surveys were strictly processed in the same manner. In addition the dual azimuth helped to improve...

Depositional Environment of the Sharon Conglomerate Member of the Pottsville Formation in Northeastern Ohio

John V. Mrakovich, Alan H. Coogan

Journal of Sedimentary Research (SEPM)

... to the stream flow. They are caused by decreasing current velocities and may be initiated anywhere within a channel where partially incompetent streams deposit...

Bed-Form Distribution and Internal Stratification of Coarse-Grained Point Bars, Upper Congaree River, S.C.

Raymond A. Levey

Dallas Geological Society

... bends, shown by cross-sectional traverses 2 and 8 (Fig. 4) indicate that the inner bank velocities near the surface and bottom are at least as great...

Bed-Form Distribution and Internal Stratification of Coarse-Grained Point Bars, Upper Congaree River, S.C.

Raymond A. Levey

CSPG Special Publications

... bends, shown by cross-sectional traverses 2 and 8 (Fig. 4) indicate that the inner bank velocities near the surface and bottom are at least as great...

Reservoir Geometrics Applied to Drilling and Completion Programmes in Hostile and Complex Environments: North West Shelf, Timor Sea, North Sea and Colombia

D. A. Castillo, D. Moos, C. A. Barton, M. D. Zoback, P. Peska

Papua New Guinea (PNG) Petroleum Convention Proceedings

... velocities or from data such as acoustic or resistivity logs. It is more difficult to measure the magnitude and orientation of the maximum horizontal...

3D installation of fiber cables for acquiring 3C DAS array data

Yingping Li, David Li, Lianjie Huang, Yingcai Zheng

International Meeting for Applied Geoscience and Energy (IMAGE)

...) profiles. We use the spatial distribution of DTT to estimate the source azimuth and the angle of incidence, and to correct raw DAS amplitudes distorted...

Glauconite Sandstone Exploration: A Case Study from the Lake Newell Project, Southern Alberta, Canada

Kevin Broger, Garth Syhlonyk

Rocky Mountain Association of Geologists

... a consistent amplitude response in the target zone is critical to the mapping of this play. The velocities and densities for the Lower Glauconite...

Integrated Seismic (IS) for Shale Gas Exploration and Management

Shastri L. Nimmagadda, Paola Andrea Cardona Mora, Said Hanafy

Petroleum Exploration Society of Australia (PESA)

... and integrated studies have been conducted (Yu et al. 2017) involving wide-azimuth 3D seismic for analysing shale formation properties, relevant...

Cyclic Deposits and Hummocky Cross-Stratification of Probable Storm Origin in Upper Cretaceous Rocks of the Cape Sebastian Area, Southwestern Oregon

Ralph E. Hunter, Edward H. Clifton

Journal of Sedimentary Research (SEPM)

... at an azimuth of 45° and those of the second, broader set (spacing about 20 cm and height less than 1 cm) trend at 120°. Ripples in the first set are symmetrical...

Lineament Analysis: An Exploration Method for the Delineation of Structural and Stratigraphic Anomalies

Alvin C. Johnson, Jr.

Utah Geological Association

... a relatively large area are plotted on a frequency-azimuth diagram, four sets of normally distributed data may be observed: northeast, northwest, north...

Abstract: Shear Wave Splitting Parameter Estimation Using a Regular Distribution of Azimuths; #90187 (2014)

A. Stanton and M. D. Sacchi

Search and Discovery.com

... of data as a function of azimuth. Conventional acquisition geometries lead to missing azimuths which can cause non-uniqueness in the inversion...

The Queen City Formation in the East Texas Embayment: a Depositional Record of Riverine, Tidal and Wave Interaction (1)

David K. Hobday, Robert A. Morton, Edward W. Collins

GCAGS Transactions

... (fig. 5a), but more commonly sets of more or less constant azimuth are grouped in cosets, with directional variation occurring between cosets...

Multi-Fracture Stimulation Techniques Make Better Wells in Ultra-Low

Yanrong Chang, Hongjun Lu, Baochun Chen, Zhen-ning Ji, Chengwang Wang, Yin Qi, Jianshan Li, Xianfei Du, Guiqin Yin

Unconventional Resources Technology Conference (URTEC)

... azimuth on fracture initiation and propagation have been carried out. Through physical model studies, it is recognized that a fracture will turn its...

Successful Application of Comprehensive BHA Tendencies Analysis and Novel Fit-For-Purpose Real Time Survey Tool for Drilling Exploration Well in South Sumatra

Hedriawan A S, Ery Mohamad Fajar Putra, Erwin Kurniawan, M. Riyandelan Jumsa, Yuliawan Dwi Mulia

Indonesian Petroleum Association

...-time survey tool provides excellent and reliable continuous monitoring of inclination and azimuth. This whole process and procedures generally...