Chapter Nine: Inversion and Interpretation of Impedance Data

Rebecca B. Latimer

AAPG Special Volumes

... the complicating factors caused by wavelets, as well as the essential information (generally low frequency) from the log data. The AI volume is a result...

Circular, Cryogenic Structures from the Hirnantian Deglaciation Sequence (Anti-Atlas, Morocco)

Alexis Nutz, Jean-François Ghienne, Petr Štorch

Journal of Sedimentary Research (SEPM)

... of ephemeral fetch-limited shallow ponds, a few centimeters in depth and affected by wind-driven wavelets. In the later stages of melting, the deeply buried...

Interpretation of Depositional Processes from Sedimentary Structures in the Cardium Sand

E. R. Michaelis, G. Dixon

CSPG Bulletin

... be of any size from boulders to clay, and "normal wave action" may vary from large rollers to small wavelets. The record of organic activity...

The Geology, Geophysics and Significance of the Nisku Reef Discoveries, West Pembina Area, Alberta, Canada

Exploration Staff, Chevron Standard Limited

CSPG Bulletin

... by centring the individual antisymmetrical wavelets on the reflectors. The velocity log of the off-reef sequence shows three individual reflectors...

Insights from the Automated Extraction of Surfaces from the Bunda 3D Seismic Survey

J. K. Dirstein, T. Rudge, R. Li, A. J. Stanley

Petroleum Exploration Society of Australia (PESA)

..., inverse distance weighting; geostatistics, fast fourier transform, discrete cosine transform (transforms in general); wavelets; Gaussian decomposition...

Floodplain topography and avulsion pathfinding control stratigraphic architecture in a numerical model of a fluvial fan

Caitlin Sifuentes, Harrison K. Martin, Kyle M. Straub, Elizabeth A. Hajek, Douglas A. Edmonds

Journal of Sedimentary Research (SEPM)

... an entire model run, which is described as where is the family of functions or wavelets, u is time, λ is a scale parameter, and t is a location...

Sedimentology and Petrophysical Character of Cretaceous Marine Shale Sequences in Foreland BasinsPotential Seismic Response Issues

W. R. Almon, Wm. C. Dawson, F. G. Ethridge, E. Rietsch, S. J. Sutton, B. Castelblanco-Torres

AAPG Special Volumes

... a specific reflection angle and was convolved with an angle-specific wavelet. These wavelets were derived from one extracted from data in a major...

Evolution of an Allochthonous Salt System, Southern Mars-Ursa Minibasin, Northern Gulf of Mexico

Angela Pell, Jeffrey A. Nunn

GCAGS Transactions

... depth table provided by Shell Offshore, Inc. were used to generate the synthetic. An extracted wavelet was used as model wavelets resulted in poor...

Integration of High-resolution Outcrop and Subsurface Data to Enhance Interpretation of Low-resolution Seismic Data in the Upper Devonian (Frasnian) Carbonate System in Western Canada

Anne M. Schwab, Frans S. P. van Buchem, Gregor P. Eberli

AAPG Special Volumes

... of 40 Hz in the zone of interest) (location of line in Figure 1). By experimenting with different wavelets, synthetic seismograms made with a zero...

Baselap Patterns and the Recognition of Lowstand Exposure and Drowning--A Mississippian-Ramp Example and its Seismic Signature

C. Robertson Handford

Journal of Sedimentary Research (SEPM)

...) layer P-wave velocities in m/sec. End_Page 333------------------------ FIG. 11. Seismic models using vertical incidence and Ricker wavelets...

Spectral Decomposition in a Heavy-oil and Bitumen Sand Reservoir

Carmen C. Dumitrescu, Larry Lines

AAPG Special Volumes

... nonorthogonal variable size Morlet wavelets (Stockwell et al., 1996; Mallat, 1999; Sinha et al., 2005). Although computationally more intense than...

Paleozoic Geologic Development of Canon City Embayment, Colorado

Lee C. Gerhard

AAPG Bulletin

...: Rocky Mtn. Assoc. Geologists, p. 23-33. McCaslin, J. C., 1966, In SE Colorado drilling came in wavelets: Oil and Gas Jour., v. 64, no. 33, p. 133. McCoy...

Seismic Model of a Progradational Carbonate Platform, Picco di Vallandro, the Dolomites, Northern Italy (1)

KEVIN T. BIDDLE , WOLFGANG SCHLAGER , KURT W. RUDOLPH , and TERRY L. BUSH

AAPG Bulletin

... coefficient generates an individual wavelet when convolved with the input pulse of our model. These individual wavelets are summed to produce...

Wavelet analysis of well-logging data from oil source rock, Egret Member, offshore eastern Canada

Andreas Prokoph, Frederik P. Agterberg

AAPG Bulletin

.... Rioul, O., and M. Vetterli, 1991, Wavelets and signal processing: Institute of Electrical and Electronics Engineers Special Magazine v. 8, no. 4, p.14–37...

Sequence stratigraphic responses to shoreline-perpendicular growth faulting in shallow marine reservoirs of the Champion field, offshore Brunei Darussalam, South China Sea

D. Hodgetts, J. Imber, C. Childs, S. Flint, J. Howell, J. Kavanagh, P. Nell, J. Walsh

AAPG Bulletin

... seismic wavelets are approximately equivalent to shale-rich units, whereas negative loops represent sands. Use of the acoustic impedance data therefore...

Gravitational sliding on the Mid-Atlantic Ridge at the Kane Transform: Implications for submarine basin-slope degradation and deformation

Dengliang Gao

AAPG Bulletin

... amplitude at each sample location is the result of the interference of acoustic wavelets bounced back from within the Fresnel zone. Thus, backscattered...

Application of three-dimensional seismic texture analysis with special reference to deep-marine facies discrimination and interpretation: Offshore Angola, west Africa

Dengliang Gao

AAPG Bulletin

... and destructive interference process among the reflected wavelets from within a minirock volume at a specific location in 3-D space instead of from...

High-resolution hyperspectral-based continuous mineralogical and total organic carbon analysis of the Eagle Ford Group and associated formations in south Texas

Ahmed Alnahwi, Tobi Kosanke, Robert G. Loucks, James Greene, Xiuju Liu, and Paul Linton

AAPG Bulletin

... and derivative of Gaussian wavelets: Fuel, v. 89, no. 3, p. 760–767, doi:10.1016/j.fuel.2009.03.027. Manea, D., and M. Calin, 2015, Hyperspectral...

GEO 2006, 7th Middle East Geosciences Conference and Exhibition, March 27-29, 2006, Manama, Bahrain, #90051 (2006)

Search and Discovery.com

An overview of the petroleum systems of the northern deep-water Gulf of Mexico

Paul Weimer, Renaud Bouroullec, James Adson, and Stephen P. J. Cossey

AAPG Bulletin

... of receivers collect seismic wavelets that have passed through the salt. Fewer active reflections result in noisier data. That is, the effective “fold...

Interpretation Methods in the Exploration of Oligocene-Miocene Carbonate Reservoirs, Offshore Northwest Madura, Indonesia

David C. Carter, Dwi Mandhiri, Robert K. Park, Imron Asjhari, Syaiful Basyuni, Sergey Birdus, John P. Bradfield, Ary Iriawan, Meutia Nasfiah, M.A. Agung Nugroho

Indonesian Petroleum Association

... of the middle to late Miocene Wonocolo Formation buildup facies. 198 Figure 4a - Seismic data phase, a series of typical extracted wavelets. 199...

Velocity Anomalies and Out-of-Plane Reflections in Barnicarndy 1, Canning Basin

Y. Zhan

Australian Petroleum Production & Exploration Association (APPEA) Journal

... with the entire logging path (210–2685 m; r2). Various wavelets were used to attain a the best possible correlation between the synthetic and seismic...

Sedimentologic Character of Ancient Muddy Subaqueous-Deltaic Clinoforms: Down Cliff Clay Member, Bridport Sand Formation, Wessex Basin, U.K.

Gary J. Hampson, Kanokkorn Premwichein

Journal of Sedimentary Research (SEPM)

... migrated and tied to wells through the generation of synthetic wavelets from two wells. The Down Cliff Clay Member crops out in inaccessible...

Seismic Stratigraphy of the Georges Bank Basin Complex, Offshore New England: Rifted Margins: Field Investigations of Margin Structure and Stratigraphy

J. S. Schlee, J. Fritsch

AAPG Special Volumes

...-way travel time; Figures 3, 4, and 8), zones of faintly continuous reflections alternate with zones (1 to 2 wavelets thick) of reflections showing...

Resolving Multiphase Fractions in Horizontal Wells Using Speed of Sound Measured with Distributed Acoustic Sensors and a PVT Database

Peyman Moradi, Brian Seabrook, Neal Adair, Ricardo Garza

Unconventional Resources Technology Conference (URTEC)

... wavelets with central frequencies between 2-10 Hz. (b) Spatiotemporal velocity map estimated using the STA approach with a 10-channel moving window, where...