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The AAPG/Datapages Combined Publications Database

Showing 3,665 Results. Searched 195,387 documents.

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Detailed internal architecture of a fluvial channel sandstone determined from outcrop, cores, and 3-D ground-penetrating radar: Example from the middle Cretaceous Ferron Sandstone, east-central Utah

Rucsandra M. Corbeanu, Kristian Soegaard, Robert B. Szerbiak, John B. Thurmond, George A. McMechan, Deming Wang, Steven Snelgrove, Craig B. Forster, Ari Menitove

AAPG Bulletin

..., dip, and plunge (Deutsch and Journel, 1998). In most geologic data sets, the data values along certain directions are more coherent than along others...

2001

Volumetric Fault Enhancement Applications; #41869 (2016)

Satinder Chopra, Kurt J. Marfurt

Search and Discovery.com

... subparallel to reflector dip have been suppressed. Note the improved continuity and extent of the faults where the fault enhancement algorithm has...

2016

Abstracts: Integration of Coherence and Volumetric Curvature Images; #90173 (2015)

Satinder Chopra, Kurt J. Marfurt

Search and Discovery.com

... estimates of reflector dip and azimuth. Such reflector dip and azimuth estimates can be calculated using a complex trace analysis (Barnes, 2000...

2015

Seismic Modeling and Expression of Common Fold-Thrust Belt Structures; #42266 (2018)

Jianjun Li, Shankar Mitra

Search and Discovery.com

... a real-life processing scenar-io. The pre-stack time migrated data of each structural model was analyzed afterwards. In terms of trishear fault-propagation...

2018

Abstract: Imaging Scattered Seismic Energy in Alberta Oil Sands; #90187 (2014)

Andrew V. Barrett

Search and Discovery.com

... for steam. The purpose of migration is to move scattered energy to the position of the scatterer and to produce an accurate image of the reflector. However...

2014

Acoustic modelling with elastic AVA effects

Robin P. Fletcher, James Hobro, James Rickett

International Meeting for Applied Geoscience and Energy (IMAGE)

..., that augments the kinematic effects with terms that control elastic reflection amplitude effects. Introduction There is an industry trend to use...

2023

4.2 Wrench Fault Tectonics: Wrench Fault, Southeast Asia

P. D'Onfro and P. Glagola

AAPG Special Volumes

...] change dip abruptly across faults P and D on profile A-A'. Reflector R[3] changes dip across fault D on section B-B'. Change in Fault Throw with Depth...

1983

Structural Curvature versus Amplitude Curvature, #41012 (2012)

Satinder Chopra, Kurt J. Marfurt

Search and Discovery.com

... estimates of reflector dip and azimuth that best represents the best single dip for each single sample in the volume. We refer to these calculations...

2012

Enhancing PSDM via Well Data Derived from Gradient Boosted Trees Machine Learning

Marianne Rauch, Mike Perz, Sathiya Namasivayam, Ritesh Sharma

Unconventional Resources Technology Conference (URTEC)

... and target curves. The cost function that we minimize is the mean squared error between predicted and target curves. During each URTeC 2205 2 round...

2020

Seismic-based paleoenvironmental analysis of the Paleocene carbonate shelf in Ajdabiya Trough, north-central of Libya

Abdeladim M. Asheibi

Bulletin of Canadian Energy Geoscience (CEGA)

... reefs in terms of biostratigraphy, microfacies, and depositional environment. According to Vršič et al. (2021), the Intisar reefs are seen...

2023

Exact kinematic behavior of the P-SV converted wave in a vertical transversely isotropic medium

Guillaume Cambois

International Meeting for Applied Geoscience and Energy (IMAGE)

... 13 we have γa ≥ 1, which means that θp ≥ θps. Developing Equation 18 and rearranging the terms, we have: 𝛾2 𝑅 ( 𝑎 sin2 𝜃𝑝 𝛾2 𝑎 ) = (𝛾 2...

2023

Reservoir Compartmentalization of the Morrow Sandstone at Sorrento Field, Southeastern Colorado

Sandra McDonald Mark

Rocky Mountain Association of Geologists

... in compartmentalization. Consistent picking of these discontinuous reflectors for the entire 3-D compressional seismic survey results in stratigraphic reflector maps...

1998

Derivation of Seismic Depth Sections

H. Buchholtz, W. Houba

Geological Society of Malaysia (GSM)

... the same point, the dipping reflector segment B is exhibiting an extended reflection area. Since stacking velocities depend on dip obviously the NMO...

1987

Seismic-based identification and stage analysis of overlapped compound sedimentary units in rifted lacustrine basins: An example from the Bozhong sag, Bohai Bay Basin, China

Sen Li, Hongtao Zhu, Changgui Xu, Hongliu Zeng, Qianghu Liu, and Xianghua Yang

AAPG Bulletin

... or dip direction crossing different parts of the sedimentary unit are characteristic of progradational seismic reflections with different reflector dip...

2019

New Models for the Origin of Shale/Salt-Cored Anticlines in the Gulf of Mexico Using a Modified Area-Constant Detachment Fold Model

John H. Spang

GCAGS Transactions

... of the models, does simplify the modeling. Ideally, the seismic line should go much farther east so that reflector 3 could be traced back to regional dip...

1999

Abstract: Seismic Imaging below Shallow Gas Cloud … A Comparison between PSTM, PSDM & 4C OBC Datasets (Geophysics Paper 21)

Tan Boon Hua, Amy Mawarni M Yusoff, Gunawan Taslim

Geological Society of Malaysia (GSM)

... resolution velocity model representative of the changes in geology. Overall, the PSDM data did demonstrate improvements in terms of reflector...

2011

Abstracts: Seismic Attributes on Frequency-enhanced Seismic Data; #90173 (2015)

Satinder Chopra, Kurt J. Marfurt, Somanath Misra

Search and Discovery.com

... application would be of a dip-steered mean or median filter, which has the effect of enhancing laterally continuous events by reducing randomly distributed...

2015

A Distinctive Rock Type Classification based on Acoustic Impedance Inversion in the Baturaja Carbonate Oil Reservoir, Zulu Field, PHE ONWJ

Atmaji Nugroho, Chandra Sakti, Ermin Retnowati, Said Sabbeq, Zamzam Nurzaman

Indonesian Petroleum Association

... Field is a faulted anticline, and situated in the upthrown of Sunda half graben sub-basin. 3 way dip closure was identified as hydrocarbon trapping...

2019

Seismic Reflection Structure of Intracratonic Palmyride Fold-Thrust Belt and Surrounding Arabian Platform, Syria (1)

JOHN H. MCBRIDE , MUAWIA BARAZANGI , JOHN BEST , DAMEN AL-SAAD , TARIF SAWAF , MOHAMED AL-OTRI , and ALI GEBRAN

AAPG Bulletin

...." Like "D," reflectors "A" and "C" dip very gently (0-0.5 degrees) southeast at the southern end of MO-9. In contrast, reflector "B" has a discordant...

1990

Interpreting Fault and Fracture Lineaments with Euler Curvature; #41926 (2016)

Satinder Chopra, Kurt J. Marfurt

Search and Discovery.com

.... Because the reflector dip magnitude and azimuth can vary considerably across a 3-D seismic survey, it is more useful to equally sample azimuths...

2016

Delineating the Geomorphological Character of Mass Transport Deposits: Examples from Upper Leonard Formation, Midland Basin; #42499 (2020)

Paritosh Bhatnagar, Sumit Verma, Ron Bianco

Search and Discovery.com

... power, mass transport deposits are better defined in terms of their full areal extent and their morphologic features in areas affected by slope failure...

2020

Meandering Fluvial Facies Architecture Using Ground Penetrating Radar, Ferron Sandstone (Upper Cretaceous) Emery County, Utah; #41134 (2013)

Oluwasegun Abatan, Dennis Kerr, and Kumar Ramachandran

Search and Discovery.com

... was determined using strike and dip information from the internal reflector of lateral accretion deposits. Abstract Detailed investigations of meandering...

2013

Simultaneous inversion of velocity and angle-dependent reflectivity

Nizar Chemingui, Yang Yang, Jaime Ramos-Martinez, Guanghui Huang, Dan Whitmore, Sean Crawley, Elena Klochikhina, Sriram Arasanipalai

International Meeting for Applied Geoscience and Energy (IMAGE)

..., it is essential to compute the incidence and reflection angles (or reflector dip direction) at each image point. The vector reflectivity wave equation possesses...

2023

What Causes those Annoying Stair-Step Artifacts on Coherence Volumes?; #42036 (2017)

Tengfei Lin, Kurt J. Marfurt

Search and Discovery.com

... to the reflector dip, from a previous image of specular (or conventional) imaging. In this case, the obliquity factor, Ω, is simply the mean of the vectors ps...

2017

Mid-Crustal Detachment Beneath Southern Timor-Leste: Seismic Evidence for Australian Basement in the Timor Collision Complex (and Implications for Prospectivity)

Tim R. Charlton, Dino Gandara, Ivonio Freitas, Mariano de Araujo, Maria Guterres, Francisco Tilman, Lamberto Fernandes, Dirce Nicolau, Debora Freitas

Indonesian Petroleum Association

...reflector (0.4-1s twt) deepens southward, although with a block-faulted morphology. The normal faults cutting the red marker tend to merge downward...

2021

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