Crustal Structure Study on Gulf Coast of Texas

A. L. Hales , C. E. Helsley , J. B. Nation

AAPG Bulletin

... to be about 27 km. The low-velocity part of the sediments (1.9-3.3 km/sec) is approximately 10 km thick on the shelf, and thins on the north...

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...

Quantitative Self-Verification, a Breakthrough in Ultrasonic Metering Technology

Gregor J. Brown, Ross Johnston

Australian Petroleum Production & Exploration Association (APPEA) Journal

... of the velocity measurement (some­ times called turbulence, as turbulence in the flow can dominate this statistic) • Percent of accepted pulses...

Pre-Salt: The Brazilian Shining Star

David Contreras Diaz, Marc Rocke, Polarcus

GEO ExPro Magazine

..., portraying the detailed BM-S-50’s velocity model. Isotropic and anisotropic tomography was applied in both the post- and pre-salt sequences...

Seismic Reflections from a Lau Basin Magma Chamber

Janet L. Morton, Norman H. Sleep

Circum Pacific Council Publications

... of a low velocity zone. The top of the magma chamber is flat-lying, 2-3 km wide, and 3.5 km below the seafloor. Analysis of magnetic anomalies...

Integrated Surface-Downhole Acquisition Geometries … The Way to Higher Detailed Reservoir Investigation

A.A. Tabakov, K.V. Baranov

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

... be implemented on arrival times at the downhole device delivering lateral velocity model variations which can be used for depth imaging. The acquisition...

Seismic Foldout: Northern North Sea: A Dual-Azimuth Solution

Anna Rumyantseva, Jaswinder Mann-Kalil, Idar Kjørlaug, CGG

GEO ExPro Magazine

... the Dugong discovery and Snorre field. The line is in the depth domain with overlying TLFWI velocities that isolates a higher-velocity layer...

A case study of TORT migration imaging of strike-slip faults in Mahu area, Junggar Basin

Hanqing Huang, Daoshan Li, Wei Chai, Hongdan Gu, Yongchang Lv, Yong Wang, Lijuan Huang, WenShan Luo

International Meeting for Applied Geoscience and Energy (IMAGE)

...-azimuth grid tomography velocity inversion and Tilted Orthorhombic Anisotropic (TORT) modeling technology are carried out, which effectively solves...

Depth Prediction Ahead of the Bit: A Case Study from the Singa-1 Discovery Well, South Sumatra

Mark Crawley, David Ginger

Indonesian Petroleum Association

.... Banik, N.C., 1984, Velocity anisotropy of shales and depth estimation in the North Sea basin: Geophysics, 49, 1411-1419. Hardage, B.A., 1983, Vertical...

Relation between dips of prestack time migrated and unmigrated data

Jagmeet Singh

International Meeting for Applied Geoscience and Energy (IMAGE)

... the correctness of the migration velocity model and revise velocities in an easy to determine direction (increase or decrease). A handy formula...

Low-Energy Seismic Survey of Quaternary Materials, Rocky Mountain National Park, Colorado

William W. Locke

Rocky Mountain Association of Geologists

... as a rival is s~gn~ficant. funct~onof distance, the slope of the resulting lme md~cates selsmic velocity (Fig. 2). An mflection in the hne indcates...

Prospect De-Risking Through a Fully Integrated Approach from Seismic Processing to Geology Interpretation

Francois Baillard, Rajat Rathore, Zhengmin Zhang, David Gold, Safrin Arbi, Mat Hardenberg

Indonesian Petroleum Association

... the anisotropic seismic velocity field for Pre-Stack Depth Migration during seismic processing, and for seismic reservoir characterization. Limited well...

Seas of the Soviet Arctic: Chukchi Sea

Ya. I. Polkin

Petroleum Geology: A Digest of Russian Literature

... reliable, 6-conditional; 7-magnetic anomaly graph; 8-Bouguer anomaly graph. The second unit has a formation velocity of 2.2 kmps and is interpreted...

Effects of Differential Cementation on the Sonic Velocities of Upper Cretaceous Skeletal Grainstones (Southeastern Netherlands)

Jeroen A. M. Kenter, Bruce W. Fouke, Marc Reinders

Journal of Sedimentary Research (SEPM)

... mineralogy, rather than a significant difference in primary porosity. The time-average velocity equation for a calcite matrix fails to predict...

Structure Beneath Continental Shelf, Northeastern Gulf of Mexico

John W. Antoine , James L. Harding

AAPG Bulletin

.... Where possible, correlations are drawn between velocity layers encountered offshore and well data from various oil wells drilled on the Florida mainland...

Abstract: Spatial Markov Models of Anomalous Transport in Fracture Networks, by Peter K. Kang, Marco Dentz, Tanguy Le Borgne, and Ruben Juanes; #120034 (2012)

Search and Discovery.com

Abstract: Spectral-Velocity Prediction of Geological Section Types and Reservoir Properties (SVP-Technology), by Mikhail Afanasyev; #90163 (2013)

Search and Discovery.com

Estimation of Suspended Sediment Concentrations during Deposition of Turbiditic Structureless Sandstones of the Middle Permian Brushy Canyon Formation, South New Mexico, #50681 (2012)

Kannipa Motanated, Michael M Tice

Search and Discovery.com

... • Backgrounds ▫ Geologic background ▫ Settling velocity models • Methods h d • Results ▫ Ab d Abundances of heavy and light minerals fh d li ht i l ▫ Size...

The Wedge Model Revisited; #41545 (2015)

Joanna K. Cooper, Don C. Lawton

Search and Discovery.com

...-difference exploding reflector models using a numerical version of the same wedge velocity models were also produced. Migration of the physical model...

Three-Dimensional Depth Imaging of Seismic Data to Help Delineate Petroleum Reservoirs in the Williston Basin

Alvin K. Benson

Williston Basin Symposium

... the velocity changes abruptly, both vertically and laterally, such as some areas of the Williston Basin. A subsurface velocity model necessary...

An application of FWI with progressive transfer learning

Shirui Wang, Jinjun Liu, Yuchen Jin, Xuqing Wu, Jiefu Chen

International Meeting for Applied Geoscience and Energy (IMAGE)

..., University of Houston Summary The lack of low-frequency data components has been a major obstacle in FWI applications for velocity model building...

Measurement of the Thickness of the Earth's Crust in the Albertan Plains Area of Western Canada

T. C. Richards

CSPG Bulletin

...., 1958: Velocity Distribution in the Crust; presented at Annual Meeting, Amer. Geophys. Union, May 5. End_of_Record - Last_Page 189...

Geophysical Lecture

E. R. Deutsch

CSPG Bulletin

... of the Continuous Velocity Log to Anisotropy Measurements in Northern Sahara; Results and Consequences", Geoph. Prospecting, Vol. 7, No. 2, pp. 202-217...

Mapping Areas of Greater Thickness of the Clastic Unit of the Lower Carboniferous by the Seismic Reflection Method

A. K. Urupov, Yu. A. Byakov, S. A. Shikhov

Petroleum Geology: A Digest of Russian Literature

... of systems of traveltime curves of reflected waves for determining effective velocity: Razvedoch. i Promyslov. Geofizika, vyp. 20. The clastic sediments...

Towards more accurate reservoir imaging using FWI: An OBN case study at Trion

Zhen Wang, Sen Mei, Zhuocheng Yang, Joakim Blanch, Ezequiel Genova, Juan-Mauricio Florez-Nino, Humberto Salazar-Soto, Alfredo Vazquez-Cantu

International Meeting for Applied Geoscience and Energy (IMAGE)

... for this area hit a technical limit. Improvements to velocity models and images were incremental, and it was determined that better data were needed to make...