Seismic Technology Evolution to Support Prospect Evaluation, Exploration Well, and Geological Appraisal

Frederic J. Billette, Yan Quist

GCAGS Transactions

.... 1467–1475. Xu, Q., Y. Li, X. Yu, and Y. Huang, 2011, Reverse time migration using vector offset output to improve subsalt imaging—A case study...

Transverse Ribs: Their Characteristics, Origin and Paleohydraulic Significance

Emlyn H. Koster

Dallas Geological Society

... clasts would be influenced by dynamic waves — in this case, antidunes — which are principally governed in their wavelength by mean flow velocity (Kennedy...

Transverse Ribs: Their Characteristics, Origin and Paleohydraulic Significance

Emlyn H. Koster

CSPG Special Publications

... clasts would be influenced by dynamic waves — in this case, antidunes — which are principally governed in their wavelength by mean flow velocity (Kennedy...

Beam Migration for Imaging of Complex Structures

Karl Schleicher, John Sherwood, Lynn Comeaux, Mazin Farouki

Indonesian Petroleum Association

... iterations of tomographic velocity updating. Results from the Beam migration are proving to be superior to Kirchhoff and wave equation results...

Diving Deeper to Reveal Hydrocarbon Potential in the Barents Sea

Sören Naumann, Rune Sakariassen, PGS

GEO ExPro Magazine

...-scale geological features and improves understanding of the geology, an accurate velocity model for pre-stack depth migration is required. Refraction...

Detecting Fault-Related Hydrocarbon Migration Pathways in Seismic Data: Implications for Fault-Seal, Pressure, and Charge Prediction

David L. Connolly, Friso Brouwer, and David Walraven

GCAGS Transactions

... get an indication of which faults have been migration pathways for hydrocarbons, and which faults have not (Fig. 1). In this case from the Niger...

Natural fractures in the Barnett Shale and their importance for hydraulic fracture treatments

Julia F. W. Gale, Robert M. Reed, Jon Holder

AAPG Bulletin

..., P:In this expression, B is a constant; S0 is compliance when a = 0; and the crack velocity, V, is given by the time derivative of a. For a constant...

Lomnitz Law Versus Elasticoviscous Controversy

Paul S. Wesson

AAPG Special Volumes

... of the earth's upper mantle: Royal Astron. Soc. Geophys. Jour., v. 14, p. 245-249. McCann, C., 1970, Convection currents and the constant Q-mechanism...

Numerical Modeling of Fault-Related Sedimentation

Taco Den Bezemer, Henk Kool, Sierd Cloetingh

Special Publications of SEPM

... and thrust fault related identified Then the modeling is extended to situations involving multiple faults and changes in displacement velocity Finally...

Depositional and Dispersal Dynamics of Intertidal Sand Bars

George deVries Klein

Journal of Sedimentary Research (SEPM)

... by an asymmetric time-velocity profile. A causal connection between time-velocity asymmetry of tidal currents and bar topography is demonstrated...

Mexico: Maximus Survey: Opportunities in Deepwater Gulf of Mexico

Jeroen Hoogeveen, Jeniffer Masy, MCG, Geoex

GEO ExPro Magazine

... and sedimentary packages from shallow water to deepwater Gulf of Mexico. The data has been reworked to improve the velocity model, based on a better...

ABSTRACT: Future of Microseismic Analysis: Integration of Monitoring and Reservoir Simulation; #90122 (2011)

Leo Eisner, Vladimir Grechka, and Sherilyn Williams-Stroud

Search and Discovery.com

... on improvements in multiple discipline areas, two of which are discussed in this study: better quantification of event locations along with the velocity model...

Fit-for-Purpose Depth Imaging of Sub-Thrust and Strike-Slip Fault Regime Onshore Myanmar

Search and Discovery.com

Impact of Proppant Pumping Schedule on Well Production for Slickwater Fracturing

Shaowen Mao, Prashanth Siddhamshetty, Zhuo Zhang, Wei Yu, Troy Chun, Joseph Sang-Il Kwon, Kan Wu

Unconventional Resources Technology Conference (URTEC)

... fraction; u f is the fluid velocity, m/s. and  f is the fluid density, kg/m³. URTeC 2630 5   f  f u f  t     f  f u f u f   p  F...

Presence of Preferential Flow Paths in Shallow Groundwater Systems as Indicated by Tracer Experiments and Geophysical Surveys

Murray E. Close, David C. Nobes, Liping Pang

Special Publications of SEPM

...). In this mode, the transmitting and receiving antennas were fixed at a constant separation, in this case 1 m, and were stepped along the survey line...

Growth Patterns of Subaqueous Depositional Channel Lobe Systems Developed Over A Basement With A Downdip Break In Slope: Laboratory Experiments

Rocio Luz Fernandez, Alessandro Cantelli, Carlos Pirmez, Octavio Sequeiros, Gary Parker

Journal of Sedimentary Research (SEPM)

... in the case of a fan that is aggrading and prograding. A zone of approximately constant slope corresponding to the cone (source fan zone) is apparent...

Abstract: Rapid Velocity Images of Complex Structures, by P. J. Barton and R. A. Edwards; #90923 (1999)

Search and Discovery.com

Morphological and Stratigraphical Signature of Floods In A Braided Gravel-Bed River Revealed From Flume Experiments

W. I. Van De Lageweg, W. M. Van Dijk, M. G. Kleinhans

Journal of Sedimentary Research (SEPM)

... and migration and ii) alluvial architecture of braided gravel-bed rivers. One of the experiments has a constant bankfull discharge, and the other is run...

Seismic Acquisition and Processing for Sub-thrust Imaging and Prospecting, Suaza Valley, Colombia

G.W.Paukert, G. Billings, I.Dawes, T.D.J. England, G.Rait

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

... time migration. Migration velocity analysis was performed by comparing local image quality on a large number of constant velocity migrations. A variable...

Basic Seismic Processing: Part 7. Geophysical Methods

Peter M. Duncan

AAPG Special Volumes

... subsurface layers appear in shot records (Figure 1) as straight lines rather than hyperbolic curves. These events have a constant "apparent velocity...

Thoughts and Observation on Interpreting Depth-Imaged Data in the Jurassic Norphlet Play, Deepwater Eastern Gulf of Mexico, #41342 (2014)

Donald A. Herron

Search and Discovery.com

.... The availability of several versions of depth imaging based on a single velocity model but with different migration algorithms requires an interpreter...

Abstract: Enhancing Interpretation Efficiency: Transforming Sparse 2D Data into a 3D Volume; #91204 (2023)

Peter Lee, Adam Betteridge, Tom Travis, Moussa Abugouda, Ahmed Abdul Aziz, Ahmed Sami, Mohamed Morsi, Subodh Notiyal, Tanya Johnstone, Andrew King

Search and Discovery.com

... before post migration processing was applied, producing a 3D seismic volume covering an area of 32, 880 km2. To derive the 3D regional depth velocity...

Abstract: Statistical Depth Imaging with Path Summation through Complex Near-Surface; #91204 (2023)

Ilya Silvestrov, Andrey Bakulin, Maxim Protasov

Search and Discovery.com

... the imperfections in the migration velocity model prevent the images from proper focusing, accurate reconstruction of all the near-surface complexities...

3-D Seismic Prospecting for Entrada Sandstone Reservoirs on the Southeastern Flank of the San Juan Basin, New Mexico

David J. Massé, R. Randy Ray

Rocky Mountain Association of Geologists

... (Fig. 8) raised concerns about the validity of the depth conversion of the Entrada time structure at a constant velocity. The Entrada isopach...

Pattern evolution and interactions in subaqueous dune fields: North Loup River, Nebraska, U.S.A.

Jasmine Mason, Benjamin T. Cardenas, Mackenzie D. Day, Max Daniller-Varghese, Sarah C. Brothers, Gary Kocurek, David Mohrig

Journal of Sedimentary Research (SEPM)

... a dynamic steady-state pattern, despite high rates of deformation, common interactions, and sediment bypassing. Mapped crestlines had a mean migration...