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The AAPG/Datapages Combined Publications Database

Showing 39,975 Results. Searched 195,372 documents.

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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

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

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

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