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The AAPG/Datapages Combined Publications Database
Showing 4,236 Results. Searched 197,348 documents.
Adaptive OCCAMs inversion for the interpretation of borehole ultra-deep azimuthal resistivity measurements
Wardana Saputra, Junsheng Hou, Carlos Torres-Verdín, Sofia Davydycheva, Vladimir Druskin
International Meeting for Applied Geoscience and Energy (IMAGE)
... and seismic interpretation (Antonsen et al., 2022). However, presence of thin layers, electrical anisotropy, complex borehole trajectory, multi-spacing...
2023
Convolution model theory-based intelligent AVO inversion method for VTI media
Yuhang Sun, Yang Liu, Hongli Dong
International Meeting for Applied Geoscience and Energy (IMAGE)
... in seismic exploration and development. The conventional AVO inversion method predominantly relies on isotropic media, overlooking the anisotropy of elastic...
2023
Anisotropic elastic full-waveform inversion for crosswell seismic data for Wyoming CarbonSAFE project
Olga Podgornova, Shujaat Ali, Ting Lei, Peng Li, Matthew Johnson, Lu Lee, Zunsheng Jiao, J. Fred McLaughlin, Erik Borchardt, Lin Liang, Pierre Bettinelli, Joel Le Calvez
International Meeting for Applied Geoscience and Energy (IMAGE)
... and delta. and Thomsen The data show strong anisotropy for both P and SH arrivals, and an anisotropic initial model was constructed by traveltime...
2023
What Can Magnetic Susceptibility Do for Us in Shale Plays When Used as Part of an Integrated Workflow?
Milly Wright, Ken Ratcliffe, Mark Hounslow
Unconventional Resources Technology Conference (URTEC)
... of cores using a hand held MS meter. Paleoflow determinations utilise directional variation in magnetic susceptibility (Anisotropy of Magnetic...
2015
The contribution of recent developments in signal processing technology and geological constraints to the reimaging of narrow-azimuth streamer data in the north-eastern Gulf of Mexico
Hongyan Li, Jarred Hostetler, Nadxieli De La Rosa Perez, Hugo Enrique Munoz Cuenca, Zhao Ge, Wilson Ibanez, Courtney Steichen, Ruoyu Gu, Jarrod Hutson, Michiru Tomida
International Meeting for Applied Geoscience and Energy (IMAGE)
...; Fowler et al., 2008) and wellconstrained localized multi-parameter tomography (Bakulin et al., 2010) were applied to derive initial anisotropy...
2023
Porosity and permeability calculations in a biolithite using X-ray tomography images
Adetomiwa Aderemi, Elli-Maria Charalampidou, Zeyun Jiang, Erika Tudisco
International Meeting for Applied Geoscience and Energy (IMAGE)
... was calculated as the ratio of the area of each thresholded object to non-objects within a region of interest using the binarized 3D images. Pore anisotropy...
2023
Electromagnetic and electrical methods applied to mapping coked coal A case study from the Bowen Basin, Eastern Australia
Jonathan Lowe, James Reid, Eric Battig, Scott Napier, Dan Eremenco
Petroleum Exploration Society of Australia (PESA)
... to identify the strong conductive layer mapped in both TEM and drilling. Possible conductivity anisotropy of the coked coal or the overlying sediments is being...
2019
Prediction of Fracture Porosity from Well Log Data by Artificial Neural Network, Case Study: Carbonate Reservoir, DEPOK Field
Okok Wijaya, Pebrian Tunggal P, Ahmat Dafit Hasim, Depta Mahardika, Sungkono, Bagus Jaya S
Indonesian Petroleum Association
... (Prahastudhi et al, 2012). Consequently, much research has been done about fracture characterization in carbonate reservoirs, for example using anisotropy...
2015
Shale Activity Test and Shale Reservoir, Shale Seal and Well Stability Properties Characterization
Konstandinos Zamfes
Unconventional Resources Technology Conference (URTEC)
... and Shale Gas. Fracture distribution and volume, brittleness, petrophysical calculation corrections due to structural anisotropy of shale, micro...
2017
The North West Shelf Stress Map
Richard Hillis, Scott Mildren, Chris Pigram, Don Willoughby
Petroleum Exploration Society of Australia (PESA)
... it is acted upon by the vertica l and crhmin stresses. Given that w ellbore instability due to breakout is controlled by the anisotropy of the s tresses actin...
1996
Life Isnt Perfect: The Petrophysical Difficulties of Modeling the Permian
Tyler Croft, Aidan Blount, Adam McMullen, Sarah Warneke, Melanie Durand, Brian Driskill
Unconventional Resources Technology Conference (URTEC)
...:10.2523/IPTC-16849-MS Dubourg, I., Leech, R., & Luling, M. G. (2017, June 17). The Paradox of Anisotropy and the Array-Laterolog Anisotropy Response. Society...
2018
Anatomy of a Barrier Island Beach Ridge Aquifer, Eastern Florida
Hugh J. Mitchell-Tapping, Aleta M. Mitchell-Tapping
GCAGS Transactions
...: but the published regional accepted value is 100, based on the assumption of anisotropy of layered heterogeneous sediments, however, this standard value may...
2003
Rock-physics Models for Gas-hydrate Systems Associated with Unconsolidated Marine Sediments
Diana Sava, Bob Hardage
AAPG Special Volumes
... anisotropy, which may be used to infer gas-hydrate distributions and concentrations in alternating thin layers of hydrate-bearing sediments...
2009
The Fractured Reservoir--A New Definition (extended abstract): Fractured Reservoirs: Origin, Description, Evaluation
Peter E. Gretener
AAPG Special Volumes
... fluid can still reach any point in the reservoir by a continuous fracture path. A weak anisotropy exists such that the vertical permeability...
1991
AAPG-SPE-SEG Hedberg research conference on The Geologic Occurrence and Hydraulic Significance of Fractures in Reservoirs
Peter Hennings
AAPG Bulletin
... but are poorly understood with the of strength anisotropy caused by stratigraphic layering. This causes our concept of a representative volume to become scale...
2009
Abstract: Elastic Full Waveform Inversion For Land Walkaway VSP Data; #90224 (2015)
Olga Podgornova, Scott Leaney, Marwan Charara, and Eric von Lunen
Search and Discovery.com
...-dimensional VTI initial model based on smoothed sonic and density log data and calibrated for anisotropy to fit the traveltimes of the direct P arrivals...
2015
Abstract: Shear Log Estimation by Rock Physics Assist Machine Learning Approach an Offshore Abu Dhabi Case Study; #91204 (2023)
Hiroyuki Inoue
Search and Discovery.com
... prediction only at high inclination well geometry (Figure 2). While this could be explained by velocity anisotropy, this is very difficult to capture via...
2023
Shale Gas Reservoir Characterization Workflows; #41266 (2014)
Satinder Chopra, Ritesh Sharma, and Kurt Marfurt
Search and Discovery.com
... data; they are discussed here. Changes in TOC in shale formations influence VP, VS, density and anisotropy and are exhibited in the longer offset...
2014
Determination of the Laminar, Structural and Disperse Shale Volumes Using a Joint Inversion of Conventional Logs; #41944 (2016)
Ambrosio Aquino-López, Aleksandr Mousatov, Mikhail Markov, Elena Kazatchenko
Search and Discovery.com
... of shale and sand. The axis of macroscopic anisotropy is perpendicular to the stratification in this case. Joint Inversion of Conventional Logs The joint...
2016
Chapter 13: Development Geology in Eolian Reservoirs
L. F. Krystinik
Rocky Mountain Section (SEPM)
..., 1980, Cross-Bedded Sandstone Reservoir Units and Permeability Anisotropy Using Well Logs; AAPG Bull., V. 64, p. 760. Parsons, R.W., 1972, Directional...
1990
Fortín de Piedra Gas Field A Robust 3D Geomechanical Model that Integrates an Unconventional Vaca Muerta Formation Dataset and Captures Structural Effects on Stress Field Distributions
Alejandro Laurora, Raúl Varela, Adrian Rodriguez-Herrera
Unconventional Resources Technology Conference (URTEC)
... (interpreted from seismic anisotropy) correlated with the decrease of ISIP magnitudes along a lateral, as the well entered fractured zones of lower minimum...
2023
Learnings from the Hydraulic Fracturing Test Site (HFTS) #1, Midland Basin, West Texas - A Geomechanics Perspective
Shugang Wang, Yunhui Tan, Anusarn Sangnimnuan, Shahzad Khan, Baosheng Liang, Peggy Rijken
Unconventional Resources Technology Conference (URTEC)
... was applied to the fracture. The initial horizontal stress anisotropy is 300 psi. Figure 3 shows that GMRS® and the one-way coupled model yield similar...
2019
Scales of lateral petrophysical heterogeneity in dolomite lithofacies as determined from outcrop analogs: Implications for 3-D reservoir modeling
Matthew J. Pranter, Colette B. Hirstius, David A. Budd
AAPG Bulletin
... (Figure 7) is possibly caused by permeability anisotropy in the dolomite unit that was sampled.Figure 7. Distribution of petrophysical data (points...
2005
Review of Geological Controls on Resistivity in Uplifted Basins: Insights from the Norwegian Barents Shelf; #30535 (2017)
Kim Senger, Thomas Birchall, Sverre Ohm, Snorre Olaussen, Kei Ogata
Search and Discovery.com
... the vertical, Rv, and horizontal, Rh, resistivity; anisotropy = Rv/Rh), while most vertical exploration boreholes are primarily sensitive to horizontal...
2017
Insight from keywords co-occurrence in SEG annual meetings: A bibliometric study
Changcheng Liu, Srichand Prajapati
International Meeting for Applied Geoscience and Energy (IMAGE)
..., shale's feature of anisotropy requires the modeling of wave propagation in HTI and VTI. In the aspect of nonseismic, the borehole geophysics, well-log...
2022