Resolving geological complexity with legacy streamer survey: Potiguar 3D offshore Brazil case study

Seet Li Yong, Milos Cvetkovic, Terry Johnson, Boedi Soelistijo, Leon Ge

International Meeting for Applied Geoscience and Energy (IMAGE)

... compromise the ability to accurately capture small-scale features and velocity anomalies. In a conventional model building approach that relies on image...

Abstract: Tomography of a Velocity Modeland Location of Microseismic Events with P, Sv and Sh Waves; #90224 (2015)

Malgorzata Chmiel and Thomas Bardainne

Search and Discovery.com

...-location using P- and S-waves and anisotropic velocity model. The constraint in horizontal and vertical position is the strongest. Depth of the event...

High-frequency FWI on Clair OBN dataset Challenges and successes

Matvey Romanenko, Lee Saxton, Dan Davies, James Sheng, Faqi Liu, Jan Gromotka, Yang He

International Meeting for Applied Geoscience and Energy (IMAGE)

..., Yang He, TGS Summary Nowadays, high frequency full waveform inversion is routinely applied for building high resolution velocity model from which high...

Gaining Insight into Formation Anisotropy Using Full Azimuth Imaging and Analysis Tools

Duane Dopkin, Anat Canning, Philip Neri

Indonesian Petroleum Association

... azimuth angle gathers in depth, using a rich decomposition procedure (EarthStudy 360™) designed to preserve all subsurface azimuths. Here velocity...

Qualitative and Quantitative Monitoring of Seismic Quality During Data-Processing for Future Seismic Reservoir Characterization Studies (Sisi-Nubi Field, Indonesia)

Rangga A. Brahmantio, Mikhail Baturin, Florent Bertini, Jean-Marie Jourdan

Indonesian Petroleum Association

...* Mikhail Baturin* Florent Bertini* Jean-Marie Jourdan** ABSTRACT A Multi-Azimuth Pre-Stack Depth Migration (PSDM) reprocessing was performed on Sisi-Nubi...

Leveraging Complex Geologies

Tyson Bridger

GEO ExPro Magazine

... ever more complex geologies into the models. Including the building of intrusion objects in structural modelling helps better model salt. Emerson...

Abstract: Robust Localization of Passive Sources with Cross-Coherence Migration; #91204 (2023)

Yujin Liu

Search and Discovery.com

.... Procedures: We propose cross-coherence migration method to improve the resolution of source locations. Unlike the cross-correlation, which is stable...

A Simplified Workflow for Estimation of Elastic Anisotropy in Vaca Muerta, #42002 (2017).

Ezequiel Lombardo, S. Cuervo

Search and Discovery.com

... are not universally applicable since the correction is not a constant shift VACA MUERTA TIV evidence • Building TIV model is complicated and time consuming...

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

... introduced by Sambridge (1999). Based on group velocity model, 1D depth profile of shear wave velocity (Vs) is obtained through an inversion procedure...

Sumpal Fractured Basement Field, Structural Attribute Analysis and Interpretation Case Study, Workflow Management and New Insights from Pre-Stack Depth Migrated Data and Azimuthal Stacks

Yan Darmadi, John Hughes, Sugiharto Danudjaja, Rita Achdiat

Indonesian Petroleum Association

.... The pre-stack depth migration process used an initial velocity model based on a local depth conversion velocity cube derived from well velocity data...

Lithologically Controlled Pore Pressure Prediction and Geomechanical Modeling Using Probabilistic Multivariate Clustering Analysis and an Expert System

Alan A. Curtis, Eric Eslinger, Randy Nickerson, Siva Nookala, Francis Boyle

Unconventional Resources Technology Conference (URTEC)

... referred to as the “LVP” (Lithology-based Velocity and pore Pressure) routine. However, it is rare that wireline logs are recorded over the full depth...

Reservoir Characterization Using GOCAD 3-D Visualization and Geostatistical Software: New Workstation Technology Applied to an Old Offshore Louisiana Oil Field.

Mark W. Dixon

GCAGS Transactions

..., (Fault Modeling Procedures Workflows, 1996). FMP is a series of macros that run within ZMAP+ software. Building the fault model required construction...

Seismic expressions of a Miocene prograding carbonate margin, Mut Basin, Turkey

Xavier Janson, Gregor P. Eberli, Florence Bonnaffe, Fabrice Gaumet, Vincent De Casanove

AAPG Bulletin

... for building the ray-tracing impedance model (Figure 7).Figure 7. Velocity model in depth used for ray-tracing methods. This section follows the projection...

ABSTRACT: An Inverse Approach for Relating Seismic Velocity and Overpressure to Permeability and Sedimentation History in Deep Basins, by Moreno, Hector M.; Minshull, Tim A.; Edwards, Rosemary A.; #90135 (2011)

Search and Discovery.com

Sonic velocity, submarine canyons, and burial diagenesis in Oligocene-Holocene cool-water carbonates, Gippsland Basin, southeast Australia

Malcolm W. Wallace, Guy R. Holdgate, Jim Daniels, Stephen J. Gallagher, Andrew Smith

AAPG Bulletin

... of the Latrobe Group (e.g., Figure 10). Figure 11 illustrates a depth section for the Salmon-Veilfin-Swordfish canyon derived from the velocity model...

A Comparison of Depth Conversion Methods in Buntal Gas Field, Block B, Natuna Sea, Indonesia

Irfan Yuliandri Syukri, John Hughes, Medi Medianesterian

Indonesian Petroleum Association

... incorporated included: (1) a linear average velocity-time function; (2) a 2nd order polynomial time-depth function; (3) an instantaneous velocity-depth V0k...

Prediction and Analysis of Geomechanical Properties of the Upper Bakken Shale Using Artificial Intelligence and Data Mining

George K. Parapuram, Mehdi Mokhtari, Jalel Ben Hmida

Unconventional Resources Technology Conference (URTEC)

... on the dataset. A linear model was developed and a correlation was observed for predicting the Shear Wave Velocity for the missing 63 wells. URTeC 2692746...

De-Risking Subsalt Exploration by Integrated Depth Imaging,

Oliver K. Geisler, Markus H. Krieger

GCAGS Transactions

.... In this paper we discuss how non-seismic data can be integrated in the cycle of iterative depth migration and model updating leading to better seismic...

Modeling secondary oil migration with core-scale data: Viking Formation, Alberta basin

Elise B. Bekele, Mark A. Person, Benjamin J. Rostron, Randal Barnes

AAPG Bulletin

... migrated more than 200 km, as indicated by oil-source rock correlation. Simulating the mechanisms controlling secondary oil migration (hydrodynamics...

Geostatistical Integration of Crosswell Data for Carbonate Reservoir Modeling, Mcelroy Field, Texas

William M. Bashore, Robert T. Langan, Karla E. Tucker, Paul J. Griffith

Special Publications of SEPM

... in the resulting depth image. As such, the algorithm may be viewed as a special case of Kirchhoff migration. It has proven to be quite robust for flat-lying...

Abstract: Simultaneous P-P and P-S Waveform Inversion Algorithm Using Pre-Stack Time Imaging Method ; #90187 (2014)

Hassan Khaniani, John C. Bancroft, and Eric von Lunen

Search and Discovery.com

... a forward modeling and a depth migration. The forward modeling engine, which is usually based on a finite difference solution of the elastic wave equation...

Broadband data with a new low frequency source Acquisition and processing example from the Gulf-of-Mexico

Xuefeng Shang, Maksym Kryvohuz, Hamish Macintyre, Guido Baeten, Thibaut Allemand, Philippe Herrmann, Stephane Laroche, Shuki Ronen

International Meeting for Applied Geoscience and Energy (IMAGE)

... its business value in velocity model building. In this study, we explore the viability of broadband seismic imaging with a LF source. During a recent...

Fit For Purpose Integrated Structural Identification Using Azimuthal Monopole Sonic Waveforms and Vertical Seismic Profiling: The First Case Study From The Vertical Unconventional Well in North Sumatera Basin - Indonesia

Erfandi Adhiansyah, Annisa Nur Mahdiya, Murthala Hatta, Irma Eliza, Barry Albert Lumankun

Indonesian Petroleum Association

... of the source offset. The process for producing the image involved building a velocity model. The velocity was derived from the time-depth relationship...

TTI Wave Equation Migration by Phase-Shift Plus Interpolation

Richard A. Bale

Search and Discovery.com

... in figure 1, overlaid on the velocity model (in colour), with the velocities being those parallel to the symmetry axis (i.e. VP0). The TTI migration...

TTI Wave Equation Migration by Phase-Shift Plus Interpolation

Richard A. Bale

Search and Discovery.com

... in figure 1, overlaid on the velocity model (in colour), with the velocities being those parallel to the symmetry axis (i.e. VP0). The TTI migration...