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The AAPG/Datapages Combined Publications Database
Showing 39,975 Results. Searched 195,372 documents.
Successful Depth Imaging at Banyu Urip Field
Yuki Y. Agulia, Michael Gurch, Sony Mohammad, Bastian Hutahayan
Indonesian Petroleum Association
... to improve the resolution of the final products. The 2017 QPSDM required both accurate velocity and Q models. The Velocity Model Building (VMB...
2018
Confirming Reservoir Geometry and Exploration Opportunity through 5D Interpolation PSDM in The Sub-ophiolite Zone, Banggai Sula Basin, Central Sulawesi
Mufied Ahmad, Dadang Ramdan, Yudi Herdiana, Abdullah Nurhasan, Arif Budi Mulyawan
Indonesian Petroleum Association
... The final velocity model was used to migrate the 5Dinterpolated data through Kirchoff’s pre-stack depth migration. The additional post-stack...
2021
Abstract: Improving Reservoir Imaging with Time-Lag Fwi in the Partitioned Zone Between Kuwait and Saudi Arabia; #91204 (2023)
Art Petrenko, Trevor Coulman, Guangfu Shao, Ibrahim Hakam, Mohammed Almutairi, Sujoy Ghose, Kai Zhang
Search and Discovery.com
.... Kirchhoff migration was used to generate high-resolution gathers and stack with the 24 Hz TLFWI model. Due to the complex overburden velocity...
2023
The Suitable Method in Generating True Depth Structure Maps to Eliminate Wonocolo Push-Down Effect on Seismic Data and Its Impact on Prospect Evaluation, North Madura Platform, East Java Basin
Haryono Haryanto, Rizki Krishna Pratama, Riaz Alai, M. Afiq B. Mokhtar, Pongga Wardaya, Yonghe Guo, Jun Wang
Indonesian Petroleum Association
...-reconstruction, velocity model, FWI and Q-PSDM, depth structure maps INTRODUCTION The recording method of seismic reflection data is in the domain of time...
2018
Establishing Novel Views on Reservoir Compartmentalization Utilizing Systematic Data-driven Seismic Processing Frameworks
Riaz Alai, M Afiq B Mokhtar, Jun Wang, Yonghe Guo, Ecep Suryana
Indonesian Petroleum Association
... of latest state-of-the-art velocity model building and absorption compensation processes. Efficient multiples estimations and suppressions have...
2019
Tailored Acquisition and Processing Providing an Enhanced Subsurface Image of the Basin Architecture, Exmouth Sub-Basin, North West Shelf, Australia
Alexander Karvelas, Bee Jik Lim, Lianping Zhang, Haryo Trihutomo, Oliver Schenk, Sugandha Tewari
Australian Petroleum Production & Exploration Association (APPEA) Journal
...-surface model building. The model building consisted of two major stages: first, using full waveform inversion (FWI) to derive the near-surface velocity...
2019
Improving Marcellus Imaging Through the Use of FWI and Joint Tomographic Inversion for Velocity and Epsilon
David McCann
Unconventional Resources Technology Conference (URTEC)
... derived we will move deeper in the section. The challenge in determining the subsurface velocity model is the correlation between velocity and epsilon...
2018
Abstract: Prestack Signal Enhancement by Non-hyperbolic MultiFocusing; #90187 (2014)
Evgeny Landa, Alex Berkovitch, and Kostya Deev
Search and Discovery.com
..., velocity model building etc. We illustrate prestack signal enhancement in case of non-hyperbolic arrival traveltimes for reflected events. Common...
2014
Application of high-end seismic imaging technologies for field development in NWS Australia
Min Lee Chua, Kai Zhao, Narcisa Lazarescu, Wai King Yong, Sergey Birdus, Alexey Artemov, Xiang Li
Petroleum Exploration Society of Australia (PESA)
... will review here are (1) demultiple workflow with 3D curvelet domain subtraction, (2) hybrid Tomo-FWI velocity model building, and (3) Least-Squares Q Pre...
2019
Abstract: Diabase Sill Intrusions in the Parnaiba Basin: Imaging Challenges, Velocity Modeling and Seismic Interpretation; #90255 (2017)
Diogo Michelon, Roberto Ribeiro, João Caldeira, Paulo Roberto Cunha, Frederico Miranda
Search and Discovery.com
... of the final velocity model calibrated by all the data; and time to depth conversion of the maps using the consolidated model. The sills crossing...
2017
Eikonal equation-based adjoint-state characteristic reflection traveltime tomography: Method and application in real dataset
Jianming Zhang, Liangguo Dong, Jianhua Wang, Yilin Wang, Chao Huang
International Meeting for Applied Geoscience and Energy (IMAGE)
.... Introduction Macro-velocity model building is a core issue in seismic data processing. The computational efficiency of adjoint-state traveltime...
2023
Delineation of the Reservoir by Seismic Methods: Chapter 3
Roberto Sarmiento
AAPG Special Volumes
... to depth; (2) improved migration procedures if dealing with tight structures; (3) synthetic impedance logs corrected for the lack of low-frequency data...
1989
Seismic Characterization of the Navajo Reservoir, Buzzards Bench, Utah; #51503 (2018)
Kimberley Haar, Robert Balch, Robert Will
Search and Discovery.com
... Well 2 Seismic Well Tie Velocity Model COMBINED VELOCITY MODEL Depth vs. Interval Velocity The Seismic-Well Tie velocity model was created from...
2018
Q tomography workflow: Land case study in the Eagle Ford Play
Itai Sharabi, Matan Shustak, Orly Kletenik-Edelman, Ronit Levy, Zvi Koren
International Meeting for Applied Geoscience and Energy (IMAGE)
... to the seismic image. as an addition to a prior accurate velocity model building workflow was performed using an anisotropic solution of a Joint...
2023
Diving wave tomography: Velocity modelling using first arrival traveltime
Amatul Syafi Abdul Basit, Abdul Rahim Md Arshad, Arulini Permalu
Geological Society of Malaysia (GSM)
..., velocity model is obtained through tomography for pre-stack depth migration (PreSDM). Considering the origin of tomography in radiology, the term itself...
2022
Current Trends in Geophysics
H. E. Stommel, J. M. Graul
Indonesian Petroleum Association
.... Even with an incorrect velocity model, the migration generally heads in the right direction, that is, diffractions are compressed, synclines...
1978
A Simple Guide to Depth Conversion: Part II
Ashley Francis
GEO ExPro Magazine
.... The residuals are the difference between the depth predicted by the velocity model using the seismic time at the well marker and the actual depth...
2018
Application of Traveltime Tomography and Kirchhoff Migration Methods to Improve the Seismic Cross-Section Resolution on 2D Land Seismic Data
Harmita Lestari, Nur Ayu Anas, Muh. Resky Ariansyah, Sabrianto Aswad, Heri Winarto
Indonesian Petroleum Association
.... At this stage the module used is VELMOD which functions to obtain a velocity interval model for migration in the domain depth. In subsurface modelling...
2019
A Simple Guide to Depth Conversion: Part I
Ashley Francis
GEO ExPro Magazine
... Reservoir Sources of Velocity Measurements Seismic reflection data records the two-way travel time (TWT) to a reflection event from the surface. Depth...
2018
Practical Application of Adaptive Least-Squares Reverse Time Migration (LSRTM) to Advance Field Development and Uncover New Reserves in the Subsalt Provinces
Chong Zeng, Shuqian Dong, Zhaohong Wu, Jean Ji, Darrell Armentrout, Bin Wang
GCAGS Transactions
... to the requirement of seismic velocity in conventional depth migration algorithms. In theory, LSRTM has to assume the velocity model is perfect otherwise...
2016
Reflection waveform inversion regularized with structural constraints and scattered data interpolation
Chengliang Wu, Huazhong Wang, Bo Feng, Ting Lei, Rongwei Xu, Shen Sheng
International Meeting for Applied Geoscience and Energy (IMAGE)
... migration component. When the initial model is not accurate enough, the FWI gradient primarily updates the high-wavenumber velocity disturbances...
2023
Lithology-Driven Rock Calibration: “Laboratory” Modeling; J. B. Thomas; Search and Discovery Article #40012 (2001)
Search and Discovery.com
2001
Velocity for Pore Pressure Prediction Modeling and Risk Assessment; #41819 (2016).
Selim Simon Shaker
Search and Discovery.com
... building blocks of PPP • Velocity (which ?) response to Subsurface 4 zones • Vp vs. PPP modeling in Each zone (before drilling) • Sonic - Model...
2016
2005
Multifocusing Stack Technique for Subsurface Imaging, #40749 (2011)
Sunjay Sunjay,
Search and Discovery.com
... constitutes a key first step that facilitates the estimation of a velocity model for depth imaging. For these reasons, improving the quality of time...
2011