Rock-physics Models for Gas-hydrate Systems Associated with Unconsolidated Marine Sediments

Diana Sava, Bob Hardage

AAPG Special Volumes

..., commonly encountered in the Gulf of Mexico.FIGURE 2. Primary (P)-wave velocity as a function of the volumetric fraction of gas hydrate (cgh) in pure...

New insights into the Exmouth Sub-basin: Seismic acquisition, processing and imaging

Alexander Karvelas, Bee Jik Lim, Lianping Zhang, Haryo Trihutomo, Oliver Schenk, Sugandha Tewari

Petroleum Exploration Society of Australia (PESA)

... building consisted of two major stages: firstly, using full waveform inversion (FWI) to derive the nearsurface velocity field, and secondly, common image...

ABSTRACT: Integrated Science to Predict Overpressure in a New Deep Water Frontier Area, by Graeme Gordon; #90906(2001)

Search and Discovery.com

Estimation of shear wave velocity based on adaptive step size algorithm

Yipeng Gu, Jiajia Zhang

International Meeting for Applied Geoscience and Energy (IMAGE)

... algorithm is applied to sandstone reservoir to calculate shear wave velocity.  Then find converged sample points by objective function and get...

Leveraging legacy data: An onshore reprocessing case study from eastern Australia

Bahaa Soliman, Catalina L. Ocampo, Oscar Garcia, Andy Walz, Anthony Goodall, Emily Guidry

International Meeting for Applied Geoscience and Energy (IMAGE)

... attenuated using non-uniform coherent noise suppression (NUCNS) (Bilsby, 2015), designed to model and subtract non-uniformly sampled linear noise due...

Investigating Natuna Carbonate Platform Complexities Through Integration of Multi-Geophysical Datasets From Seismic FWI PSDM Reprocessing

Muhammad Nauvall Juliansyah

Indonesian Petroleum Association

... generated a much more detailed seismic velocity that corrected the seismic image and depth, while at the same time increased the seismic resolution...

Quantifying Velocity-Geology-Pressure Relationships in Core: The Foundations of a 4-D Seismic Feasibility Study in the Ichthys Gas-Condensate Field, NW Australia

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Geostatistical Simulation of Reservoir Porosity Distribution from 3-D, 3-C Seismic Reflection and Core Data in the Lower Nisku Formation at Joffre Field, Alberta

Raul Cabrera-Garzon, John F. Arestad, Kadri Dagdelen, Thomas L. Davis

AAPG Special Volumes

.... Velocity ratio analysis, of compressional velocity to shear velocity (Vp/Vs), indicates a linear correlation with porosity in the Devonian Nisku...

Simple model, complex strata: 2-D numerical forward model analysis of heterogeneity and controls in submarine fan systems

Alfie W. Mackie, Christopher J. Stevenson, Peter M. Burgess

Journal of Sedimentary Research (SEPM)

... maximum in erosion depth is a function of the erosion rate and time spent in the cell (Fig. 5). The relationship between flow velocity and erosion rate...

Prospect De-Risking Through a Fully Integrated Approach from Seismic Processing to Geology Interpretation

Francois Baillard, Rajat Rathore, Zhengmin Zhang, David Gold, Safrin Arbi, Mat Hardenberg

Indonesian Petroleum Association

... is performed to quantify the residual mistie between horizon and markers in time and sub sequentially converted in depth using the vertical velocity (V0...

Diffusion regularization for multi-parameter near-surface elastic full-waveform inversion

Mohammad Hasyim Taufik, Fu Wang, Tariq Alkhalifah

International Meeting for Applied Geoscience and Energy (IMAGE)

... regularization function). Through their seminal paper, Venkatakrishnan et al. (2013) demonstrate an approach to using any offthe-shelf denoiser to regularize...

Identifying Spikes in Sonic Slowness and in Resistivity in the Tuscaloosa Marine Shale Using Continuous Wavelet Transform

Carol Wicks, Samiha Naseem

GCAGS Journal

...Identifying Spikes in Sonic Slowness and in Resistivity in the Tuscaloosa Marine Shale Using Continuous Wavelet Transform Carol Wicks, Samiha Naseem...

Abstract: Raypath-Consistent Shear Wave Statics; #90224 (2015)

Raul Cova, David Henley, and Kris Innanen

Search and Discovery.com

... here. This expression may be used as the engine for an iterative non-linear inversion algorithm that will allow us to compute velocity models...

Bayesian joint inversion of controlled source electromagnetic and magnetotelluric data to infer presence of a freshwater aquifer offshore New Jersey

Daniel Blatter, Kerry Key, Anandaroop Ray, Chloe Gustaffson, Rob Evans

Petroleum Exploration Society of Australia (PESA)

... that minimizes this function (e.g. Constable et al., 1987; Newman and Alumbaugh 2000; MacGregor and Sinha, 2000). Using this approach, the inversion...

Understanding The Mesozoics Beyond Basalt: A Case Study Of Sub-Basalt Imaging

S. Sengupta, S. K. Goswami, G. Menzel-Jones, B. Chowdhury, Artem Sazykin

Indonesian Petroleum Association

..., the diving-wave penetration was limited up to a maximum depth of 1.8 km. To update the deeper sections, a velocity scanning approach, and multiple passes...

Prediction of Facies Distributions in Prograding Clastic Shelf Sequences: A Non-Waltherian Model Based on Sediment Mechanics

Paul A. Washington , Steven A. Chisick

GCAGS Transactions

... as salinity increases. Water moves in response to currents and waves. Current drag is a simple linear function of viscosity and velocity, but the low...

Statistical Mitigation of Depth Structure Uncertainty Using Multiple Realizations for the Ujung Pangkah Field

Donald Easley, Ferry Yustiana, Willy Brianno

Indonesian Petroleum Association

...Statistical Mitigation of Depth Structure Uncertainty Using Multiple Realizations for the Ujung Pangkah Field Donald Easley, Ferry Yustiana, Willy...

Depth Prediction Ahead of the Bit: A Case Study from the Singa-1 Discovery Well, South Sumatra

Mark Crawley, David Ginger

Indonesian Petroleum Association

... and VSP2 yielded a depth of 11,919 ft using the velocity trend of this final inversion. After the 9 5/8" casing had been set and drilling recommenced...

Prediction of the Flowing Bottom-Hole Pressure Using Advanced Data Analytics

Mahshid Firouzi, Suren Rathnayake

Unconventional Resources Technology Conference (URTEC)

..., we have applied linear regression, and feed-forward neural networks to the data. The accuracy of the models’ predictions was assessed using cross...

High Resolution Passive Seismic Tomography- a NEW Exploration Tool for Hydrocarbon Investigation, Recent Results from a Successful Case History in Albania, #40729 (2011)

Nikos Martakis, Akis Tselentis, Parakevas Paraskevopoulos

Search and Discovery.com

... consideration in all operational activities today. Third, by using the 3D velocity model derived from the PST and reprocessing existing seismic data (e.g....

Application of Seismic Surveying to Direct Exploration for Oil and Gas

A. M. Ivanchuk, L. F. Tarkhova

Petroleum Geology: A Digest of Russian Literature

...-bearing strata on attenuation and velocity of seismic waves. Field studies have shown that the decrease in velocity of propagation at pools reaches...

ABSTRACT Shear-Wave Velocity Anomalies and High Vp/Vs Ratios at Shallow Depths Below a Distressed Artificial Levee Marrero Louisiana USA, #90104 (2010)

Lorenzo Juan M.; Hicks Jason; Vera Emilio E.

Search and Discovery.com

...ABSTRACT Shear-Wave Velocity Anomalies and High Vp/Vs Ratios at Shallow Depths Below a Distressed Artificial Levee Marrero Louisiana USA, #90104...

Resolving Structural Uncertainty using DAS VSP Survey in Central Australia

Konstantin Galybin, Cameron Jones, Frank Nicholson, Ryan Chapman, Rob Twigg

Petroleum Exploration Society of Australia (PESA)

... the structural uncertainty (Figure 1). The data were acquired using a 4-120 Hz linear vibroseis sweep with a single heavy vibrator provided by Terrex...

Statistical depth imaging through complex cluttered near-surface with path summation

Andrey Bakulin, Ilya Silvestrov, Maxim Protasov

International Meeting for Applied Geoscience and Energy (IMAGE)

...., M. Reshef, and V. Khaidukov, 2005, Imaging without a velocity model using path-summation approach: This time in depth: 67th Annual International...

Abstract: Inverse scattering Internal Multiple Prediction on Physical Modeling Data; #90174 (2014)

M. Hernandez, K. Innanen, and J. Wong

Search and Discovery.com

...) May 14-18, 2012, Calgary, AB, Canada The function b3IM (kz) is a prediction of the internal multiple present in the data. It is in the domain kz...