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The AAPG/Datapages Combined Publications Database
Showing 1,098 Results. Searched 200,685 documents.
4D Finite Difference Forward Modeling within a Redefined Closed-Loop Seismic Reservoir Monitoring Workflow, #41922 (2016).
David Hill, Dominic Lowden, Sonika, Chris Koeninger
Search and Discovery.com
.... Such an in depth understanding cannot be achieved using one of the more traditional Sim-to-Seis type workflows. Introduction The history of closed-loop seismic...
2016
A cross-shape deep Boltzmann machine for petrophysical seismic inversion
Son Dang Phan and Mrinal K. Sen
AAPG Bulletin
... traveltime. Figure 11. The predicted shale volumetric (Vshale) section from a trained cross-shape deep Boltzmann machine network. CDP = common depth point...
2022
Seismic Modeling of Acid-Gas Injection in a Deep Saline Reservoir
Search and Discovery.com
... Gassmann’s equations, the traveltime difference is seen to be on the order of a quarter millisecond for each 10 m thickness of the acid-gas plume...
2013
Mobile Shale in the Niger Delta: Characteristics, Structure, and Evolution
Richard W. Wiener, Michael G. Mann, Michael Terry Angelich, Joseph B. Molyneux
AAPG Special Volumes
...; obs. = observed; 50 km = 31.1 mi.Regional seismic velocity data were used for depth conversion of seismic lines and analysis of regional velocity...
2010
Effects of Methane Hydrate on the Physical Properties of Sediments
William J. Winters, William F. Waite, David H. Mason
AAPG Special Volumes
... measured compressional wave velocity (Vp) changes with the extent to which the pore material cements sediment grains. Hence, for equal effective stresses...
2009
Forward Modeling of Seismic Data: Part 7. Geophysical Methods
George Mellman, Paul A. Kunzinger
AAPG Special Volumes
..., two, or three dimensional and consist of depth horizons and associated P wave velocities, S wave velocities, and densities The most common use...
1992
Production Logging: Part 9. Production Engineering Methods
James J. Smolen
AAPG Special Volumes
... be encountered, are evaluated using flowmeters with fluid identification devices. The most effective technique with radioactive tracers is the velocity shot...
1992
Three-Dimensional Seismic Analysis in the Characterization of a Giant Carbonate Field, Onshore Abu Dhabi, United Arab Emirates
Peter Melville, Omar Al Jeelani, Saeed Al Menhali, Jürgen Grötsch
AAPG Special Volumes
... with arrows).The combination of the 3-D seismic data and the well data to make a depth map has revealed a very good relationship of velocity to depth...
2004
Extremely weak supervision inversion of multiphysical properties
Shihang Feng, Peng Jin, Xitong Zhang, Yinpeng Chen, David Alumbaugh, Michael Commer, Youzuo Lin
International Meeting for Applied Geoscience and Energy (IMAGE)
... SUMMARY Multi-physical inversion plays a critical role in geophysics. It has been widely used to infer various physical properties (such as velocity...
2022
Deep Sea Stratigraphy: Abyssal Sediment Waves
G. S. Mountain and B. E. Tucholke
AAPG Special Volumes
... traveltime and in depth. The accompanying line drawing in time shows irregular discontinuous reflectors immediately above the erosional unconformity...
1987
Effect of Zechstein Supergroup (Z1 cycle) Werrahalit pods on prospectivity in the southern North Sea
John R. Underhill, Kirsten L. Hunter
AAPG Bulletin
.... The velocity effect has led to major discrepancies between prognosed and actual depth for deeper, highly prospective, Rotliegend Group, Leman Sandstone Formation...
2008
ABSTRACT:MULTICOMPONENT OBC (4C) PRESTACK TIME IMAGING OVER PAMBERI, LRL BLOCK, OFFSHORE TRINIDAD
Tony Johns, Carmen Vito and Raul Sarmiento
Geological Society of Trinidad & Tobago
... be achievable through depth tomography with more detailed anisotropic traveltime ray tracing. The remarkable amplitude differences noted (of shear...
2007
Onshore–offshore correlations of Cretaceous fluvial-deltaic sequences, southern Baltimore Canyon trough
William J. Schmelz, Kenneth G. Miller, Gregory S. Mountain, James V. Browning, and Kimberly E. Baldwin
AAPG Bulletin
... surveys were primarily used to convert log measurements and biostratigraphic picks from depth to two-way traveltime (TWTT). Regional Time–Depth...
2020
Building a three-dimensional near-surface geologic and petrophysical model based on borehole data: A case study from Chemery, Paris Basin, France
Paola Sala, Marcel Frehner, Nicola Tisato, O. Adrian Pfiffner
AAPG Bulletin
... near-surface layer, or the velocity of the deeper unweathered layers (Telford et al., 1990). From the seismic traveltime-depth relationships measured...
2013
3.4 Detached Sediments: 3.4.2 Decollement Tectonics (B-Subduction) and Active Margins: Compressional Features Across the Caribbean Margin of Colombia
J. W. Ladd and M. Truchan
AAPG Special Volumes
... prism from CDP 1800, the top of oceanic crust projects to about 12 secs two-way traveltime at CDP 3200. With an average sediment velocity of 2 to 3 km...
1983
Fit For Purpose Integrated Structural Identification Using Azimuthal Monopole Sonic Waveforms and Vertical Seismic Profiling: The First Case Study From The Vertical Unconventional Well in North Sumatera Basin - Indonesia
Erfandi Adhiansyah, Annisa Nur Mahdiya, Murthala Hatta, Irma Eliza, Barry Albert Lumankun
Indonesian Petroleum Association
... of the source offset. The process for producing the image involved building a velocity model. The velocity was derived from the time-depth relationship...
2022
Time-lapse electromagnetic with Gramian
Jide Nosakare Ogunbo, Sang-Wook Kim, Arrey F. Enow
International Meeting for Applied Geoscience and Energy (IMAGE)
... the baseline resistivity onto the time-lapsed resistivity to establish the linear relationship between the two time-lapsed resistivity models. Unlike...
2023
The Role of Fault Interaction and Linkage in Controlling Synrift Stratigraphic Sequences: Late Jurassic, Statfjord East Area, Northern North Sea
Nancye H. Dawers and John R. Underhill
AAPG Bulletin
... has not been depth converted. Although velocity variations in detail may affect the patterns observed in synrift thickness and fault throw, well...
2000
Workflow for a joint inversion of gravity and gravity gradients for environmental applications
Luigi Bianco, Mojtaba Tavakoli, Andrea Vitale, Maurizio Fedi
International Meeting for Applied Geoscience and Energy (IMAGE)
... the structural similarity between different physical parameters, such as for instance seismic velocity and density, or others. Among others, we...
2022
Seismic geomorphology and sedimentology of a fluvial-dominated delta: Implications for the Neogene reservoirs, offshore Bohai Bay Basin, China
Shang Xu, Fang Hao, Changgui Xu, Huayao Zou, and Baishui Gao
AAPG Bulletin
... are identified. Seismic facies 1 displays discrete high-amplitude reflection and a distinct U-shape incision. In plan form, this seismic facies shows a linear...
2019
Stress, Fracture, and Fluid-flow Analysis Using Acoustic and Electrical Image Logs in Hot Fractured Granites of the Coso Geothermal Field, California, U.S.A.
Nicholas C. Davatzes, Stephen H. Hickman
AAPG Special Volumes
... fluid acoustic velocity profile, or (4) calibrate the traveltime data to an independent mechanical caliper log in the depth intervals of interest...
2010
An Analysis of a Seismic Reflection from the Base of a Gas Hydrate Zone, Offshore Peru (1)
JOHN J. MILLER , MYUNG W. LEE , and ROLAND VON HUENE
AAPG Bulletin
... undisturbed samples were no longer available; velocity values measured indicate a continuation of the rate of porosity decrease with depth...
1991
3D Refraction Statics Integrated with Surface-Consistent First-Break Picking, Iterative Inversion, and 3D Visualization
Search and Discovery.com
... in GLI3D software by Hampson and Russell (1984). Although the name of GLI (Generalized Linear Inverse) does not strictly apply to this iterative...
2013
Imaging Subsurface Structures Under Gas Clounds by Multi-Component Technology
Xiaogui Miao, Loh Fong Cheen, Libo Zi, Jing Du, Magali Beele, Jacques Bonnafe, Natalia Anggriani, Gilles Vallon, Claudio Strobbia
Indonesian Petroleum Association
... elevations of shots and receivers of OBC data, iterative converted-wave velocity (vc) and effective vp/vs ratio (e) analyses and prestack converted wave...
2014
Abstract: Beam Migration of Canadian Foothills Datasets; #90171 (2013)
Tianfei Zhu, Terrence Krishnasamy, and Daniel Trad
Search and Discovery.com
..., Canada Summary We have developed a beam method for shot-domain prestack depth migration. Based on a complex-ray Maslov formulation, this method overcomes...
2013