Welcome to the new Datapages Archives
Datapages has redesigned the Archives with new features. You can search from the home page or browse content from over 40 publishers and societies. Non-subscribers may now view abstracts on all items before purchasing full text. Please continue to send us your feedback at emailaddress.
AAPG Members: Your membership includes full access to the online archive of the AAPG Bulletin. Please login at Members Only. Access to full text from other collections requires a subscription or pay-per-view document purchase.
Welcome to the new Datapages Archives
Search Results > New Search > Revise Search
The AAPG/Datapages Combined Publications Database
Showing 527 Results. Searched 200,357 documents.
EXTENDED ABSTRACT: From Isotropic to Tilted Transverse Isotropic Pre-Stack Depth Migration
Nicolas Chazalnoel
GCAGS Transactions
... to minimize exploration risk. Method Thanks to the advance of wide azimuth acquisition (WAZ), we now are able to derive anisotropic parameters from...
2011
Modelling pure qP-wave in attenuative VTI media using fractional viscoacoustic wave equation
Shanshan Zhang, Kun Tian, Ning Qin, Yanguang Wang, Changbo Wang
International Meeting for Applied Geoscience and Energy (IMAGE)
... is sometimes significantly stronger than that of velocity anisotropy. Zhu & Tsvankin (2006) introduced Thomsen parameters into the direction-dependent...
2024
Orthorhombic Imaging for Orthogonal Wide Azimuth Surveys in Mississippi Canyon, Gulf of Mexico; #30391 (2014)
Yang He, Adam Gersztenkorn, Sherry Yang, Bin Wang
Search and Discovery.com
... for azimuth-dependent anisotropic parameters. By resolving the inconsistencies in residual moveout for different azimuths, it is demonstrated that ORT...
2014
A depth uncertainty estimation method using interval-domain anisotropic VTI velocity and travel time detectability criterion
Andrey H. Shabelansky, Cory J. Hoelting, Min Yang, Sizhuang Deng, Jinsong Chen
International Meeting for Applied Geoscience and Energy (IMAGE)
... and η into interval time domain. Figure 3: Input VTI anisotropic velocity (triplet of the reference parameters V, η, δ) extracted along 2D section...
2024
Abstract: Interpretation of Natural Fractures from the Traveltime Variation with Source-receiver Azimuth in the Alberta Foothills; #90172 (2014)
Draga A. Talinga, Don C. Lawton
Search and Discovery.com
... can be realized when some of the most critical parameters (matrix velocity and symmetry axis direction) are unknown. The orientations predicted...
2014
Prospect De-Risking Through a Fully Integrated Approach from Seismic Processing to Geology Interpretation
Francois Baillard, Rajat Rathore, Zhengmin Zhang, David Gold, Safrin Arbi, Mat Hardenberg
Indonesian Petroleum Association
... is a succession of tilted reflection planes defined by four parameters (V0, θ, δ, ε), V0 for the vertical velocity, δ and ε for the Thomsen’s anisotropic...
2017
Incorporation of Geology, Wells, Rock Physics into Anisotropy Estimation for Seismic Depth Imaging Enables True Earth Model, #40862 (2012)
Huyen Bui, Peck Hwa David Ng, Jenny Zhou, Chih-Wen Kue, Martiris Smith
Search and Discovery.com
... velocity was wrong, seismic anisotropic functions (Thomsen’s delta and epsilon) were wrong in a vertical transverse isotropic (VTI) case. In fact...
2012
Finite-frequency transmission traveltime tomography in VTI media
Fei Luo, Lanlan Yan, Jiexiong Cai
International Meeting for Applied Geoscience and Energy (IMAGE)
... of anisotropic parameters. As shown in Figure 1, the background model in VTI media is set to v p 0 3.0, 0.2, 0.1 and excited by 15Hz Ricker...
2024
Facies-constrained elastic full-waveform inversion for tilted orthorhombic media
Ashish Kumar, Ilya Tsvankin
International Meeting for Applied Geoscience and Energy (IMAGE)
... the inverted parameters due to the multimodal nature of the objective function for this low-symmetry anisotropic medium. In particular, the trade-offs reduce...
2024
Abstract: A Ray+Waveform Inversion for the Potency Tensor; #90187 (2014)
Scott Leaney and Chris Chapman
Search and Discovery.com
... function. Posterior covariances are more closely related to the source parameters of interest, free from anisotropic distortion. We review the method...
2014
Abstract: Numerical Modeling for Different Types of Fractures; #90187 (2014)
Xiaoqin Cui, Laurence R. Lines, and Edward S. Krebes
Search and Discovery.com
... to transversely isotropic media (TI). The azimuthal anisotropic parameters (Thomsen, 1986) are related to the fracture character parameters: tangential...
2014
PSDM for Unconventional Reservoirs? A Niobrara Shale Case Study; #80392 (2014)
Morgan P. Brown
Search and Discovery.com
... From AVAZ Slope ~5% N FMI E ~50% What causes AVAZ? • Change in azimuthal anisotropy (Thomsen) parameters across an interface • P-waves: d, e...
2014
Ultrasonic measurements of elastic anisotropy of granitic rocks for enhanced geothermal reservoirs
Mayra D. L. Carrasquilla, Jake Parsons, Teng Long, Min Sun, Yingcai Zheng, De-Hua Han
International Meeting for Applied Geoscience and Energy (IMAGE)
... direction. In Thomsen’s work in 1986, a group of parameters (𝜖, 𝛾, and 𝛿) were introduced, and the weak anisotropy approximation for phase velocities...
2023
Prestack Seismic Data Inversion for Shale Gas Reservoir Characterization in China
Gang Yu, Yusheng Zhang, Ximing Wang, Xing Liang, Uwe Strecker, Maggie Smith
Unconventional Resources Technology Conference (URTEC)
... for Thomsen parameters and elastic moduli (Thomsen, 1986). Instead an isotropic inversion of full azimuth angle stacks was performed, the higher fold...
2016
Prestack Seismic Data Inversion for Shale Gas Reservoir Characterization in China; #41829 (2016)
Gang Yu, Yusheng Zhang, Uwe Strecker, Maggie Smith
Search and Discovery.com
... judged insufficiently stable to proceed to inversion for Thomsen parameters and elastic moduli (Thomsen, 1986). Instead an isotropic inversion of full...
2016
ABSTRACT: Quantitative Dynamic Analysis of the Northwest Danish Central Graben: An Application of the GEOPET II, 2-D Simulation Model, by R. O. Thomsen, I. Lerche, A.-M. Jepsen; #91003 (1990).
Search and Discovery.com
1990
Abstract: Application of Target-oriented VVAZ on Relatively thin Fracture Reservoir; #90174 (2014)
Stephen K. Chiu, Jack Howell, Jason A Stein, Samik Sil, and Jeff Malloy
Search and Discovery.com
... technique to extract fracture signatures from wide azimuth seismic data (WAZ). Zheng (2006) proposed a target-oriented approach to directly invert Thomsen...
2014
Fracture Detection by Azimuthal Differential Residual Moveout
Juefu Wang
Search and Discovery.com
..., and then compute the difference. These differential time-variant trim statics are used to extract fracture orientation and Thomsen’s delta parameter. We explore...
Unknown
Fracture Detection by Azimuthal Differential Residual Moveout
Juefu Wang
Search and Discovery.com
..., and then compute the difference. These differential time-variant trim statics are used to extract fracture orientation and Thomsen’s delta parameter. We explore...
Unknown
Tensile radiation from slip in a medium with rough fractures
Scott Leaney, Chris Chapman
International Meeting for Applied Geoscience and Energy (IMAGE)
... fractures, a VTI background medium is used (Vp=4km/s, Vs=2.2km/s, density=2.5gm/cc) with Thomsen parameters (𝜀, 𝛿, 𝛾) = (0.28,0.13,0.22). Together...
2022
Multi-scale anisotropic dispersion and attenuation in VTI media with penny-shaped cracks
Yanwen Feng, Zhaoyun Zong, Guangzhi Zhang
International Meeting for Applied Geoscience and Energy (IMAGE)
... representation of the frequencydependent anisotropy can be given by calculating the frequency dependence of the Thomsen anisotropy parameters. From Figure 2 we see...
2023
Prestack Depth Migration for "Easy" Unconventional Plays?, #41056 (2012)
Morgan Brown
Search and Discovery.com
... significant misties Shale Layer • Measure misties at well tops • Build Thomsen d for anisotropic PSDM... • …or warp image to fit tops • Note: Dip...
2012
Seismic Anisotropy VTI Modeling and Mechanical Properties of Kerogen in Gas Shale, #42486 (2020).
Anggoro S. Dradjat, Agus Djamil, M. Firwan Aprizal
Search and Discovery.com
... than zero. Second parameters for measuring mechanical anisotropy is gamma or S wave velocity Thomsen parameter which is measuring difference...
2020
Simple Models for the Stress-Dependence of Anisotropic Seismic Velocities in Fractured Rock; #120053 (2012)
Richard L. Gibson, Jr. and Kai Gao
Search and Discovery.com
... dry and fluid-saturated Thomsen’s parameters: Phys. Earth planet. Inter., v. 172, p. 116-124. Maultzsch, S., M. Chapman, E. Liu, and X.Y. Li, 2003...
2012
Abstracts: Seismic Wave Propagation and Imaging in Heterogenous Media; #90173 (2015)
Yijian Meng, Emmanuel Bongajum, and Bernd Milkereit
Search and Discovery.com
... for transverse isotropy. Thompsen (1986) showed that anisotropy parameters can be used to come up with an equivalent homogeneous anisotropic model...
2015