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The AAPG/Datapages Combined Publications Database
Showing 20,829 Results. Searched 200,357 documents.
Visco-Acoustic Full-Waveform Inversion: A Case Study to Resolve High-Resolution Shallow Channel Absorption, Offshore Indonesia
Jun Wang, Yonghe Guo, Putri Supriandini, Kelik Moersidin, Rahmad Hidayat
Indonesian Petroleum Association
... was the smoothed TLFWI (diving wave dominated) updated velocity model that minimizes cycle-skipping issues and provides a good background velocity. The initial 1/Q...
2022
3-D seismic Data in Delineating Productive Ismay Algal Mounds in Southern Paradox Basin, Utah, By, R.O. Louden, D.D. Lehman, W.E. Johnson and D.L. Edwards, Search and Discovery Article #40048 (2002)
Search and Discovery.com
2002
Determination of Velocity Model by Using NIP-Wave Tomographic Inversion: Application to Synthetic and Real Data
A. Hendriyana, R. Sule, Y. Akbar, L.A. Poerwaka, T.A. Sanny, Sardjito, Waluyo, Adriansyah
Indonesian Petroleum Association
...Determination of Velocity Model by Using NIP-Wave Tomographic Inversion: Application to Synthetic and Real Data A. Hendriyana, R. Sule, Y. Akbar...
2009
Physics-informed full-waveform inversion using learned wavefield solutions
Xinquan Huang, Tariq Alkhalifah, Fu Wang
International Meeting for Applied Geoscience and Energy (IMAGE)
... of the inverted velocity models. Specifically, by using the pre-trained FNO on an initial model to simulate wavefields, and then evaluating the loss over how much...
2024
New Developments in Acoustic Logging
J. Zemanek, D. M. Williams, R. L. Caldwell, C. L. Dennis, F. A. Angona
Indonesian Petroleum Association
... with tube wave attenuation and velocity providing for the first time a direct estimate of in situ permeability even in the water portion of a reservoir...
1985
The Effects of Porestructure on Sonic Velocity in Carbonates: Examples from Gunung Rapat Limestone, Ipoh
Muhammad Hafiz Izuddin, Chow Weng Sum, Mohd Shafeea Leman, Khor Wei Chung
Geological Society of Malaysia (GSM)
... AND INTERPRETATION Sonic Velocity – Porosity – Permeability The P-wave velocity obtained ranges from 4964 m/s to 6818 m/s and the S-wave velocity ranges from 2014...
2016
ABSTRACT: IDENTIFYING GAS WATER CONTACTS FROM SONIC LOGS (IN SUPPORT OF CONVENTIONAL METHODS)
Clive Sirju
Geological Society of Trinidad & Tobago
... of the received signal gives an indication of the depth of the contact as the P-wave velocity component is reduced by the presence of gas and as a result...
2007
ABSTRACT: Shear-wave Logs and Velocity-Porosity Relationships in Gas Hydrates, by D. Goldberg, G. Guerin, A. Meltset, and the ODP Leg 164 Shipboard Scientific Party; #91021 (2010)
Search and Discovery.com
2010
Abstract: Seismic Anisotropy Modeling from Well Log in Talang Akar Formation, South Sumatra, Indonesia, by Thariq Guntoro, Intan Andriani Putri, and Dwa Desa Warnana, #90188 (2014)
Search and Discovery.com
2014
Abstract: Simulation of the Wave Phenomenon for the Near Surface Complexities in Extremely High Resolution; #91204 (2023)
Houzhu Zhang, Hong Liang
Search and Discovery.com
... of wave propagation in land environment with sand dune. The input parameters are elastic velocity models and subsurface geological structures...
2023
Abstracts: Near-surface Velocity Model Building and Statics in Permafrost Regions; #90173 (2015)
Tianfei Zhu, Yan Yan, and Jon Downton
Search and Discovery.com
...Abstracts: Near-surface Velocity Model Building and Statics in Permafrost Regions; #90173 (2015) Tianfei Zhu, Yan Yan, and Jon Downton AAPG Search...
2015
Imaging of Subsurface Velocity Structure on Volcanic Area of South East Java: An Application of Passive Seismic Ambient Noise Tomography for Sub-Volcanic Hydrocarbon Exploration
Pongga Wardaya, Erlangga Septama, Vida Irine Rossa, Richie Rahmat Pratama, Rusalida Raguwanti
Indonesian Petroleum Association
.... Higher s-wave velocity structure on the shallow depth in the northern area of the survey confirms the presence of the thick volcanic sediment situated near...
2021
Shear-wave value for seismic imaging: Lupin 9C Seismic 3D Survey, Midland Basin, West Texas
Hermes Malcotti, Ranjan Dash, James Davenport, Gary Murphy, James DiSiena, James Gaiser
International Meeting for Applied Geoscience and Energy (IMAGE)
... reliability of PS-wave imaging in depth. An important goal is to establish a common-earthmodel of velocity and anisotropy to provide inversion ready depth...
2022
1998
Fracture Identification with Seismic Data, XinChang Field, China, by Peter Stewart, John Tinnin, James Hallin, and Jim Granath, #40370 (2008).
Search and Discovery.com
2008
Abstract: Visualization of Pre-Stack P-Wave Seismic Data Anisotropy, by Ru Nie and Jianhua Yue; #90077 (2008)
Search and Discovery.com
2008
Chart Migrations
Frank A. Roberts
Oklahoma City Geological Society
.... The average velocity is a function of wave travel time. Peterson's transformed wavefront chart, Barthelmes' dip chart, and Musgrave's wavefront charts...
1958
Decoupled approximation of qP- and qSV-wave in attenuated TI media
Rong Huang, Zhiliang Wang, Guojie Song
International Meeting for Applied Geoscience and Energy (IMAGE)
...) introduce an auxiliary function to decouple and simplify the qP- and qSV-wave phase velocity expressions. Inspired by Li and Stovas (2021)’ s work, we use...
2023
Abstract: Estimation of the Vp/Vs Ratio Using Zero-Offset VSP Data; #90254 (2016)
Mohammad Altayeb, Carlos Planchart, Salman Alkhater
Search and Discovery.com
...-wave versus the S-wave velocity — the Vp/Vs ratio. The Vp/Vs ratio is an essential attribute in pore fluid identification and lithological discrimination...
2016
Application of Visco-Acoustic Full Waveform Inversion to Shallow-Water, Shallow-Gas Data, #41802 (2016).
Xin Cheng, Ronan Petton, Ian Anstey, Wai-Leong Lai, Denes Vigh, Gavin Menzel-Jones
Search and Discovery.com
.... In order to fully resolve the compartmentalized nature of the gas bodies, a wave equation-based method to derive the Earth model is required. Many current...
2016
Reflection waveform inversion assisted by full-wavefield imaging
Mikhail Davydenko, Eric Verschuur
International Meeting for Applied Geoscience and Energy (IMAGE)
... Geophysicists and the American Association of Petroleum Geologists R-FWI assisted by full-wavefield imaging the reflectivity and a background velocity model...
2022
Machine Learning Prediction and the Impact of CO₂ Injection on S-Wave in 20 Years in the Legacy Well Field
Sharif Morshed, Shafiqul Alam Khan, Wu Hao
Unconventional Resources Technology Conference (URTEC)
... will significantly affect and change the velocity. The s-wave URTeC: 4044564 2 velocities will change more than the p-wave velocity since it is more...
2024
Petrophysical Relationship to Predict Synthetic Porosity Log; #41124 (2013)
Thariq Guntoro, Intan Putri, and Ayi Syaeful Bahri
Search and Discovery.com
... of hydrocarbon either gas or oil. By petrophysical relationship, the synthetic log can be estimated. Faust's equation was used to obtain P-wave velocity...
2013
Abstract: Raypath-Consistent Shear Wave Statics; #90224 (2015)
Raul Cova, David Henley, and Kris Innanen
Search and Discovery.com
... to very low velocity values the magnitude of the S-wave statics is several times larger than the P-wave statics, producing a very destructive effect...
2015
Influences of Pore Fluid to Parigi Carbonates Seismic Parameter: A Carbonates Seismic Rock Physics Study
Bagus Endar B. Nurhandoko, John Adler, Usep Mohamad Ishaq, Erwin Riyanto, Mahatman L. Budi, Eko Bambang Supriyanto, Susilowati
Indonesian Petroleum Association
... the seismic wave velocity due to pore fluid saturations 2. To analyze the effect of fluid substitution on seismic parameter of the frame. 3. To relate low...
2007