Large-Scale Pore Pressure Prediction After Pre-Stack Depth Migration in the Caspian Sea (Geophysics Paper 24)

Norbert van de Coevering, Hazim Hameed Al-Dabagh, Liau Min Hoe, Tony Jolly

Geological Society of Malaysia (GSM)

... with a standard Dix conversion. To be consistent with the depth conversion decided upon during the PSDM post-processing phase, this new final interval velocity...

Abstract: Velocity Model Building with Weighted Linearized Inversion … A VSP Data Case Study; #90187 (2014)

Mingyu Zhang, Richard Kuzmiski, and Zhengsheng Yao

Search and Discovery.com

... for permission to publish this work. References Gaiser, J.E., 1990, Transversely isotropic phase velocity analysis from slowness estimates, Journal of Geophysical...

Near-surface modeling by surface wave tomography inversion in oil and gas exploration

Wen Peng, Le Li, Zhonglin Cao, Guangying Wang, Pengfei Duan, Heng Zhang

International Meeting for Applied Geoscience and Energy (IMAGE)

... velocity and its variation at the k-th node of the rugged surface grids, respectively. The phase velocity �� � = 1 �� � . As shown in Figure 1...

Challenges of Sub-Thrust Imaging Using Broadband Three-Dimensional Seismic Data: a Case Study in the Outer Banda Arc, Indonesia

Masamichi Fujimoto, Yonghe Guo, Anky Fatwa, Yuki Sasaki

Indonesian Petroleum Association

... for the early velocity modeling phase in the shallow section. We updated the velocity model at 2 km intervals below the mudline using the Kirchhoff PrSDM...

Practical solutions for reflection-driven FWI and application to Gulf of Mexico datasets

Max Liu, Ren-douard Plessix, Yi Yang, Jeffrey Vander Hurst, Na Shan, Rob Schelstrate, Colin Perkins, Vanessa Goh

International Meeting for Applied Geoscience and Energy (IMAGE)

... impedance imprints in velocity updates. Phase-only objective functions with a velocity-impedance parameterization mitigate some of these challenges. After...

Effective Use of High Density VSP Measurements to Predict Pore Pressure and Estimate Mud Weight Ahead of Drilling in the Mahakam Delta, Indonesia

Mohammed Badri, Stephane Gazet, Gregoire de Tonnac

Indonesian Petroleum Association

... the interval velocity profile, the pore pressure was then computed by subtracting the effective stress from the overburden stress. These velocities...

ABSTRACT: Using Microseismic Monitoring and Crosswell Tomography to Map Hydraulic Fracture Treatments in Tight Gas Formations, by Puckett, Mark; Le Calvez, Joel; #90155 (2012)

Search and Discovery.com

-- no title --

user1

Search and Discovery.com

... was enabled through the deployment of phase- only wave inversion FWI. The excellent imaging uplift resulting from the velocity model building workflow...

Full Waveform Inversion: Early Start of Model Building Process to Resolve the Complex near Surface Model in the Exmouth Sub-Basin, North West Shelf Australia

Lianping Zhang, Haryo Trihutomo, Yuelian Gong, BeeJik Lim, Alexander Karvelas

Australian Petroleum Production & Exploration Association (APPEA) Journal

... velocity errors in the model. Adjustive FWI is designed to build the relationship between travel time shift and model error with instantaneous phase...

Mapping with Two-Dimensional Seismic Data: Part 7. Geophysical Methods

I. R. Gordon

AAPG Special Volumes

...-check that variations in the frequency, phase, and (especially) polarity of wavelets were accounted for during interpretation. Lines that were...

Addressing the complex near-surface challenges in the Delaware basin through recent FWI advancements

Ali Mohamed, Dmitry Kulakov, Daniel Suren, Wilfrid Milan, Larry Holifield, Vasudhaven Sudhakar

International Meeting for Applied Geoscience and Energy (IMAGE)

... quality starting velocity model. Third, the source wavelet embedded in the acquired data, which was prepared by a thorough analysis of the phase...

First Look at Seismic Data from a Towed Dual-Sensor Streamer

Andrew Long, Natasha Hendrick, Rune Tenghamn

Petroleum Exploration Society of Australia (PESA)

... dual-sensor streamer By Andrew Long ([email protected]), Natasha Hendrick, and Rune Tenghamn, PGS Motivation to include velocity sensors in a seismic...

Seismic Image Enhancement of the Banyu Urip Carbonate Buildup, Cepu KKS, With Effective Data Denoise and Q-Compensated PSDM

Gene Skeith, Peter Traynin, J. M. Reilly, Mike Rainwater, Parada Devy Silitonga

Indonesian Petroleum Association

.... Imaging the field is particularly difficult owing to a combination of several factors - lateral velocity complexity caused by a carbonate build-up...

ABSTRACT: Results of a Preliminary Test Investigation on the Applicability of Passive Seismic Tomography in VC Block -Assam, India; #90118 (2011)

Rohit Sinha, Nikos Martakis, Akis Tselentis, and Paris Paraskevopoulos

Search and Discovery.com

..., Athens,Greece 3 Dept of Seismology, University of Patras, Greece. The purpose of this investigation was to undertake a 1st Phase passive seismic survey...

Abstract: A NEW MOVE TOWARDS INTERACTIVE WELL-SEISMIC DATA CALIBRATION BY ADJUSTING INTERVAL VELOCITY; #90144 (2012)

Shabih M. Syed, Amjad A. Khan, Amjad W. Qureshi, Muhammad Rehan, and Muhammad Adnan

Search and Discovery.com

...Abstract: A NEW MOVE TOWARDS INTERACTIVE WELL-SEISMIC DATA CALIBRATION BY ADJUSTING INTERVAL VELOCITY; #90144 (2012) Shabih M. Syed, Amjad A. Khan...

Abstract: Oil and Gas Exploration Emphasizing Overpressure-Enhanced HC Seals in Large Tertiary Deltaic Complexes; #90256 (2016)

Steven L. Getz

Search and Discovery.com

... plane polarity analyses, HC chimney studies, acoustic impedance, and VP/VS studies; 2). seismic interval velocity studies (including velocity-induced...

Passive Seismic: Thinking Differently

Katerina Polychronopoulou

GEO ExPro Magazine

... cross-correlation. Inversion of these dispersion curves results in the construction of 2D group and phase velocity models, and consequently leads...

Abstract: Preliminary Velocity Model of the Upper Part of the San Fernando Valley Sedimentary Basin, by G. Simila, K. Thygesen, G. Fuis, H. Thybo, J. M. Murphy, and D. Okaya; #90904 (2001)

Search and Discovery.com

Changes in Acoustic Properties and Velocity Anisotropy in a Very Organic-Rich Marine Shale With Increasing Temperature

Search and Discovery.com

Predicting pressure-dependent velocities for carbonates by linking static and dynamic elastic properties

Xuan Qin, De-hua Han

International Meeting for Applied Geoscience and Energy (IMAGE)

..., 1Rock Physics Laboratory, University of Houston Summary We build a model to predict the pressure-dependent velocity for carbonate by combining...

FWI imaging of complex subsalt Mesozoic targets from land to shallow waters

Timmy Dy, Minshen Wang, Sabaresan Mothi, Don Dobesh, Shengda Ding, Oscar Andrade, Pablo Ortega, Alfredo Vázquez Cantú, Silvino Domínguez García, Gerardo López Leyva

International Meeting for Applied Geoscience and Energy (IMAGE)

..., and sparse onshore surveys. The topography and acquisition variations pose challenges in building accurate velocity models and make it difficult...

Improved 3D Seismic Imaging Expands North Sea Vision. Workstation Interpretive Depth Imaging Solves Gas Cloud Problem

Thad Dunbar, Mark Lance

Petroleum Exploration Society of Australia (PESA)

... on schedule, appropriate techno logies were applied to each interva l, depend ing on geologic/velocity comp lexity. In a three• phase approach, less...

3.4 Detached Sediments: 3.4.1 Decollement Tectonics (A-Subduction): Kemmerer Area, Lincoln County Wyoming

M. A. Norton

AAPG Special Volumes

... block is a velocity anomaly produced by the higher velocity Paleozoic rocks thrust over the lower velocity Mesozoic strata. The overthrust belt...

Abstract: Geophysical Pressure Prediction in The Presence of Multiple Pressure Mechanisms with Applications to Deep Wells, by Alan R. Huffman; #90066 (2007)

Search and Discovery.com

ABSTRACT: Profiling Complex Flow in Deviated Wells- A North Sea Case Study; #90051 (2006)

Parijat Mukerji, Pierre Baux

Search and Discovery.com

... of the velocity and fluid holdup profile enhances the capability of the analyst to determine the downhole phase...