Vertical anomaly clusters: Evidence for vertical gas migration across multilayered sealing sequences

Martino Foschi, Joseph A. Cartwright, and Frank J. Peel

AAPG Bulletin

...Vertical anomaly clusters: Evidence for vertical gas migration across multilayered sealing sequences Martino Foschi, Joseph A. Cartwright, and Frank...

Abstract: DREAM™ - Drilling and Real Time Migration: A New Method for the Geophysical Monitoring of Wells

Luca Bertelli, Luca Savini, and Luca Aleotti

Houston Geological Society Bulletin

... update the velocity field while drilling, and thus to refine the depth model and iterate the depth migration. The seismic velocities obtained...

Seismic Diffraction Imaging of Reservoir Fractures with DAS Seismic Data in a Horizontal Well

Brian Fuller

Unconventional Resources Technology Conference (URTEC)

... modeled for three different positions in a constant velocity medium of 10,000 ft per second, at a horizontal DAS cable depth of 8,800 ft...

Appendix A: Considerations for Optimum 3-D Survey Design, Acquisition and Processing

R. Malcolm Lansley

AAPG Special Volumes

... not only to the accuracy of the migration algorithms, but also to the accuracy of the velocity field that is used for the imaging. It should...

Three-Dimensional Seismic Modeling and Seismic Facies Imaging

Hongliu Zeng , Noel Tyler , Milo M. Backus

GCAGS Transactions

...-free 3-D synthetic seismic cubes, as occurs in the case of perfect 3-D migration. STRATAL SLICING Current approaches of peak-picking or computer auto...

A Big Fan of Signals? Exploring Autogenic and Allogenic Processes in Lobyte3D, a Numerical Stratigraphic Forward Model of Submarine Fan Development; #51593 (2020)

Peter Burgess, Isabella Masiero, Stephan Toby, Robert Duller

Search and Discovery.com

... submarine fan model scenarios are run, one with constant sediment input, and one with a sinusoidal variation in sediment input. Both model scenarios...

Abstract: Challenges and Case Studies in Sub-Salt Imaging, by Rietveld, Walter; Poole, Alan J.; and Ray, Amal; #90166 (2013)

Search and Discovery.com

Southwest Palawan, Philippines: A Case Study in Seismic Imaging and Interpretation of Complex Structures

Philip M. Rimando, Geronimo A. Manuel, Raymundo A. Reyes, Jr.

Southeast Asia Petroleum Exploration Society (SEAPEX)

.... The velocity field used in the migration was derived from the DMO-picked velocities but at slightly lower magnitude than the actual picked values...

Mechanics of Secondary Hydrocarbon Migration and Entrapment

Tim T. Schowalter

AAPG Bulletin

... for the hydrostatic case unless secondary migration continues after initiation of the hydrodynamic condition. Also, the initiation of updip water flow...

Simulation of Gas Adsorption and Capillary Condensation in Shale Nanopores Using Lattice Boltzmann Modeling

Rui Xu, Maša Prodanović, Christopher J. Landry

Unconventional Resources Technology Conference (URTEC)

... of discrete velocity directions. The functional form of LBM is shown as follows, 𝜕𝑓 𝑖 𝜕𝑡 + 𝐞 𝑖 ∙ 𝛁𝑓𝑖 = Ω 𝑖 (𝑖 = 1, 2, … 𝑁), (1) where...

ABSTRACT: Fast Beam Migration - An Interactive Depth Imaging Tool, by Tsingas, Constantine; Musat, Iulian; Tanushev, Nick; Popovici, Mihai; #90141 (2012)

Search and Discovery.com

Optimised 3D Land Geophysical Survey Design - A Case Study

P. van Baaren

Papua New Guinea (PNG) Petroleum Convention Proceedings

... a linear v(z) velocity function in calculations (Liner and Underwood, 1999), and using the migration process itself in which point diffractors...

High-precision seismic imaging for complex deep structures in the hydrocarbon exploration using a coherent-stacking-based least-squares migration

Jidong Yang, Jianping Huang, Tengfei Lin, Zhenchun Li, and Liang Chen

AAPG Bulletin

... in the migration because of accumulative traveltime errors caused by an inaccurate velocity model. To mitigate this issue, we present a coherent-stack...

Abstract: Parallel Implementation of Pre-stack Least-squares Migration for Distributed Systems; #90171 (2013)

Sam T. Kaplan

Search and Discovery.com

... are the migration velocity model. The latter being, roughly, the lateral average of the former. More succinctly, we say that ψ s = Lα , and write...

Magnitude, mechanisms, and prediction of abnormal pore pressure using well data in the Krishna–Godavari Basin, east coast of India

Sumangal Dasgupta, Rima Chatterjee, and Sarada Prasad Mohanty

AAPG Bulletin

... velocity versus density plot of shale from well W-15. Velocity falling down with nearly constant density suggests that the fluid expansion mechanism...

Abstract: Study of Subvertical Fracturing Zones in Subsalt Carbonates of the Pre-Caspian Basin using Duplex Wave Migration; #90224 (2015)

K. O. Iskaziyev, S. G. Karimov, N. I. Yasafova, R. V. Kudаkaev, E. G. Khabibullin, E. V. Rastegaeva, Yu. I. Denisov, and A. S. Kostyukevych

Search and Discovery.com

... technology, azimuthal anisotropy of Pwave velocity, and relatively recently introduced Duplex Wave Migration (DWM) amplitude cube analysis. This paper...

Abstract: Thoughts and Observation on Interpreting Depth-Imaged Data in the Jurassic Norphlet Play, Deepwater Eastern Gulf of Mexico, by Donald Herron; #90200 (2014)

Search and Discovery.com

Abstract: Using A 3D PSDM Simulator to Facilitate Overburden and Survey Consistent Modelling of the 4D Seismic Response of the Norne Field; #90171 (2013)

A. Drottning and M. Branston

Search and Discovery.com

... in a homogeneous overburden and predicted the seismic response for a constant reflectivity surface. The only difference between the cases is the SimPLI filters...

Abstract: Using A 3D PSDM Simulator to Facilitate Overburden and Survey Consistent Modelling of the 4D Seismic Response of the Norne Field; #90171 (2013)

A. Drottning and M. Branston

Search and Discovery.com

... in a homogeneous overburden and predicted the seismic response for a constant reflectivity surface. The only difference between the cases is the SimPLI filters...

How Sealed Is a Seal? - High Resolution Seal Integrity Evaluation Using 3D Seismic Data

Gary Yu

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

... calibrated pressure model is then used to transform the extracted velocity volume into a 3D HDHR pore pressure volume for seal capacity assessment. Case Study...

Preliminary modeling of the long-term fate of CO2 following injection into deep geological formations

Brian R. Strazisar, Chen Zhu, Sheila W. Hedges

Environmental Geosciences (DEG)

... CO2 injection, far away from the injection site and representative of basin-scale migration and long-term fate. The dissolution of the injected CO2...

Recent Experiences with Seismic Imaging and Velocity Analysis: Abstract

John L. Toldi, Nathaniel G. Tilander

Indonesian Petroleum Association

...Recent Experiences with Seismic Imaging and Velocity Analysis: Abstract John L. Toldi, Nathaniel G. Tilander 1998 350 350 This paper presents recent...

Submarine Canyons in the Bathtub

Francois Metivier, Eric Lajeunesse, Marie-Christine Cacas

Journal of Sedimentary Research (SEPM)

..., Continuing Education, Course Note Series, no. 39. Pantin, H.M., 1979, Interaction between velocity and effective density in turbidity flow: phase-plane...

Depth Migration of Seismic Data: ABSTRACT

John Sherwood, Philip Schultz, Jin Lin, David Judson

AAPG Bulletin

.... In such situations the basic migration procedure should use the provided velocity information and obey the wave equation with adequate accuracy...

Response of the Seabed to Storm-Generated Combined Flows on a Sandy Arctic Shoreface, Canadian Beaufort Sea

Arnaud Hequette , Philip R. Hill

Journal of Sedimentary Research (SEPM)

...). For shallow-water conditions, the wave-orbital velocity and diameter are independent of water depth and are virtually constant from the surface...