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The AAPG/Datapages Combined Publications Database
Showing 34,499 Results. Searched 200,691 documents.
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
... in a down-thrown fault trap that make up the prospect; however, the up-thrown side experiences a problematic shadow effect. This cannot be explained...
2007
Modeling frequency attenuation due to gas in sandstone and carbonate gas reservoirs
Saleh Almeshari
International Meeting for Applied Geoscience and Energy (IMAGE)
... the attenuation effect. To evaluate the Q effect on real data, the synthetics were decomposed to mono-frequency sections from low to high frequencies...
2022
Formation Evaluation of Type-1 Fractured Basement Rocks Using Borehole Data
Adriaan A. Bal, Javier Franquet, Stephen Dymmock, Robert Maddock, Glen Palamountain, Ali Baradi, Dinah Pantic, Fermín Fernández-Ibáñez
Indonesian Petroleum Association
... reservoirs have very low-to-zero matrix porosity, and permeability is restricted to fracture permeability. In effect, most if not all, hydrocarbon...
2009
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
... use of isochrons, amplitude, variance images, amplitude versus offset (AVO), acoustic impedance, seismic facies and detailed velocity estimation...
2005
Numerical and physical simulations of borehole resistivity logging in high-resistance formation
Yizhi Wu, Zhentao Sun, Yiren Fan
International Meeting for Applied Geoscience and Energy (IMAGE)
... and abundant detection information, which including the formation resistivity, dipping angle, anisotropy, and mud invasion. Therefore, inversion...
2024
High Resolution Petrophysics and Geomechanics Workflow - One Key to Optimal Development of Unconventional Reservoirs
Philippe Gaillot
Unconventional Resources Technology Conference (URTEC)
... is required to understand (1) scaling effects and (2) rock-engineering-production cause and effect relationships, with the goal of improving production...
2020
Analysis and Implications of the Archie-Haro Equation in Modeling Resistivity of Rocks; #41343 (2014)
Carlos Haro
Search and Discovery.com
... result of the anisotropy of the rock. Thus, caution should be exercised when comparing cores and well logs and when using those values for calculations...
2014
Interformational Control of Regional Fracture Orientations
Ronald A. Nelson, David W. Stearns
Rocky Mountain Association of Geologists
... orientations determined by the prevailing paleo-wind directions at the time of deposition, Two types of strength anisotropy could arise from...
1977
Determining Static Elastic Anisotropy in Shales from Sidewall Cores: Impact on Stress Prediction and Hydraulic Fracture Modeling
Brian Crawford, Yueming Liang, Philippe Gaillot, Kelvin Amalokwu, Xianyun Wu, Robert Valdez
Unconventional Resources Technology Conference (URTEC)
...Determining Static Elastic Anisotropy in Shales from Sidewall Cores: Impact on Stress Prediction and Hydraulic Fracture Modeling Brian Crawford...
2020
ABSTRACT: Geostatistical Shale Models for a Deltaic Reservoir Analog: From 3D GPR Data to 3D Flow Modeling; #90013 (2003)
HONGMEI LI, CHRISTOPHER D. WHITE
Search and Discovery.com
..., the elevation semivariograms are computed for the base of channel 2 based on the GPR interpretations (Figure 1). There are no indications of anisotropy...
2003
Modeling of scattering losses using energy transport
Manuel Alejandro Jaimes Caballero, Roel Snieder
International Meeting for Applied Geoscience and Energy (IMAGE)
.../10.1190/geo2018-0566.1. Li, G., W. Huang, H. Zheng, and X. Zhang, 2015, Removing absorption effect on AVO via inverse Q filtering in offset direction...
2022
From Hazard to Full Scale Development: Seismic Interpretation Method to Unlock Shallow Gas Potentials in Tunu Field, Mahakam
Ruth Cristiani Basa, Didiek Prabowo, Debrina Sugiharto, Rangga Brahmantio
Indonesian Petroleum Association
..., a reliable seismic- interpretation techniques, with the purpose to identify and characterize the gas sands based on angle sub-stacks, gathers, AVO...
2017
Chapter 8-part 2: Spectral Decomposition
Gregory A. Partyka, Michael D. Bush, Paul G. A. Garossino, Paul R. Gutowski
AAPG Special Volumes
... Bulletin, v. 73, p. 1397–1414. Castagna, J. P., and M. M. Backus, 1993, Offset-dependent reflectivity — theory and practice of AVO analysis: SEG...
2011
Time-Lapse (4D) Seismic Monitoring - Expanding Applications, #41601 (2015).
Rob Staples, Jan Stammeijer, Scott Jones, Jon Brain, Frans Smit, Paul Hatchell
Search and Discovery.com
..., accurately separate the effect of pressure changes and saturation changes. This has been enabled by world-leading marine 4D repeatability (NRMS noise...
2015
Experimental Controls on the Transition Between Planar and Branched Hydraulic Fractures
Wenfeng Li, Luke P. Frash, J. William Carey, Meng Meng, Nathan J. Welch, Hari Viswanathan
Unconventional Resources Technology Conference (URTEC)
...), such as the effect of approaching angle of a hydraulic fracture on its crossing/arresting behavior. However, there are some significant drawbacks...
2021
Evolution and Evaluation of a Shallow-Marine LRLC Reservoir with Advanced Well-Log Measurements: A Case Study from Offshore Nigeria, #41460 (2014).
Jemine Olare, Joseph Otevwemerhuere, Leigh Jefford, Steve Parkins, Chikezie Nwosu, Chandramani Shrivastava, Chiara Cavalleri, Hugo Espinosa
Search and Discovery.com
... effect. High-resolution NMR detailed rock description and magnetic resonance (T1 and T2) signal distributions portray heterogeneous grain-size...
2014
Tensile radiation from slip in a medium with rough fractures
Scott Leaney, Chris Chapman
International Meeting for Applied Geoscience and Energy (IMAGE)
... for an isotropic background by using the geometric mean of bulk and shear stiffnesses for the coupling terms. These parameters were then used in a weak anisotropy...
2022
Hydraulic Stimulation in a Tight Gas Reservoir: Insights from Microseismic and Geomechanical Modeling and Interpretation
Claudio Rabe, Pierre-Francois Roux, Luisely Linares, Maximiliano Garcia Torrejon, Luis Alberto Vernengo, Diego R. Lachter
Unconventional Resources Technology Conference (URTEC)
... the elastic and brittle response of the formation to the hydraulic stimulation. To this effect, an event catalog was derived from the analysis of one stage...
2024
Application of distributed fiber optic and borehole-surface jointly acquired seismic data in high-resolution processing of conventional seismic
Zhanqing Yu, Cheng Wang, Miao Kun
International Meeting for Applied Geoscience and Energy (IMAGE)
... reflects the velocity change of the underground medium, then the velocity and anisotropy parameters are estimated more accurately. In addition, we have...
2024
A Regional Velocity Cube for Depth Conversion on the Northwest Shelf
Maighréad Ní Dheasúna, Mark Ballesteros, James Leven
Petroleum Exploration Society of Australia (PESA)
... depth migration (PSDM) is used, or if the velocity model for an anisotropic PSDM does not correctly account for anisotropy, it may be desirable...
2012
A comparison of plug-derived and probe-derived permeability in cross-bedded sandstones of the Virgelle Member, Alberta, Canada: The influence of flow directions on probe permeametry
Rudi Meyer, Federico F. Krause
AAPG Bulletin
... permeability anisotropy is significantly lower than that derived from plug-scale measurements, that is, plug kV/kH is less than probe-derived kV/kH...
2001
Identification of magnetic enhancement at hydrocarbon-fluid contacts
Sijibomioluwa A. Badejo, Adrian R. Muxworthy, Alastair Fraser, Graham R. Stevenson, Xiang Zhao, and Michael Jackson
AAPG Bulletin
... neutron-derived porosities for gas are significantly underestimated, this provides a clear contrast (known as the gas effect) as shown in Figure 1...
2021
Seismic response analysis of thin coals
Yijun Xi, Xingyao Yin
International Meeting for Applied Geoscience and Energy (IMAGE)
... hinders reservoir description and fluid identification of subsurface formations. The strong shielding effect of coal on sand reflection can easily lead...
2022
Know Before You Go!
Lars Zühlsdorff, Trond Haugland
GEO ExPro Magazine
... strike rather than cross strike. Checking the effect of larger offsets is simple, as typically long cables are used for modeling anyway (for exactly...
2021
Study on Characteristic Variability of Weak Signal in High Density Seismic Acquisition; #41351 (2014)
Wujin Chen and Anchu Wu
Search and Discovery.com
... with big incidence angles. Without near surface, the critical angle drops slowly (Figure 17b). Because of AVO effect, even at the same interface...
2014