Importance of Good Time to Depth Conversion method to Reduce GRV Uncertainties of Producing Fields in the South Sumatra Block�.

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The Barque Structure Offshore New Zealand: Improving the Seismic Image Using Prestack Depth Migration; #41516 (2015)

Jim Montalbetti, Jeff Beckett, Graham Hodgkiss

Search and Discovery.com

... surface interval velocity field in areas of the variable seafloor depth. 3. Perform prestack depth migration using this initial geomechanical update...

CRS-Stack and NIP-Wave Tomography Implemented to the SH-Wave Reflection Seismic Data for Shallow Hydrocarbon Prospecting (Paper P30)

M. R. Sule, A. A. Valencia, A. Hendriyana, U. Polom, C. M. Krawczyk

Geological Society of Malaysia (GSM)

... challenges. The SH-wave reflection correction. Afterwards, pre-processed gather is stacked using could detect thinner layers, since its velocity is much...

Machine Learning Applications for Reservoir Pressure Trend Prediction in Potash Area of Delaware Basin

Olabode Thomas Ajibola, James Sheng, Phillip McElroy, Ebru Ulna

Unconventional Resources Technology Conference (URTEC)

... weights, adds bias and the output is transformed using a non-linear function called the “activation function”. The neurons may use several activation...

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)

... problem. Its effective application is limited to updating shallow models using low-frequency data, as diving waves have limited penetration depth...

Developing a robust geologic conceptual model using pseudo 3-D P-wave seismic reflection data

Adrian D. Addison, Michael G. Waddell, Camelia C. Knapp, Duke T. Brantley, John M. Shafer

Environmental Geosciences (DEG)

.../(time [velocity]2) function with a 0.0002 inelastic attenuation correction, a velocity function of 330 m/s (1083 ft/s) at 100 ms and 1500 m/s (4921 ft...

Quantifying Crack Properties of Source Rocks from Elastic Stress Sensitivity

Jihui Ding, Anthony C. Clark, Tiziana Vanorio, Adam D. Jew, John R. Bargar

Unconventional Resources Technology Conference (URTEC)

...) through (13) using a non-linear least-square algorithm. URTeC 5449 5 Figure 1 (a) Comparison of crack orientation distribution functions (4...

Re-imaging of 2D legacy data in Brazils Equatorial Margin via pseudo-3D model building

David Butler, Daryineth Fernandez, Oscar Perez, Raul Ysaccis, Jason Thekkekara, Juan Perdomo, Christopher McMorland, Aurora Rodriguez Castelan

International Meeting for Applied Geoscience and Energy (IMAGE)

...al reprocessing and 2) pseudo-3D velocity model building (Mantovani et al., 2016). Pseudo-3D model building using 3D common-image-point (CIP) tomography (Woodwa...

Time-Lapse Refraction Seismic I: A Complementary Monitoring Method?

Martin Landrø, Lasse Amundsen

GEO ExPro Magazine

... diving waves in a medium where the velocity increases linearly with depth. energy is sent back to the surface at the critical V0 = 2,000 m/s and two...

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

... 3000 (c) 1000 2000 3000 Fig. 3. Evolution of the velocity model and depth-migrated stack from (a) the smooth starting model, (b) the FWI updated...

Rock Physics Template and its Significance in Velocity Model Building and Pore Pressure Prediction

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Seismic Foldout: FWI Imaging Under Complex Geological Anomalies

Adriana Citlali Ramirez, Simon Baldock, Stuart Fairhead, TGS

GEO ExPro Magazine

...) depth slice through velocity model at 900 m; e) depth slice through the FWI image at 900 m; f) depth sliced through the RTM volume at 900 m. significant...

Characterization of a Sediment Core from Potential Gas-hydrate-bearing Reservoirs in the Sagavanirktok, Prince Creek, and Schrader Bluff Formations of Alaska's North Slope: Part 3Electrical Resistivity Core Studies

R. F. Sigal, C. Rai, C. Sondergeld, B. Spears, W. J. Ebanks Jr., W. D. Zogg, N. Emery, G. McCardle, R. Schweizer, W. G. McLeod, J. Van Eerde

AAPG Special Volumes

... as obtained from the regression fit to the data in Figure 2.Figure 6 plots the estimated brine salinity as a function of depth. The five highest values...

A Report on the Renaissance of Gravity in the Deep Water Gulf of Mexico: A Practical View of Integration Methods

Brian S. Anderson, Mark E. Weber, John E. Bain

Houston Geological Society

... are analyzed, typically using cross plots, and a function is derived to convert between the density and the velocity volumes. The gravity effect...

Shallow Velocity Model Building Considerations for Prestack Depth Migration in Unconventionals

Mike Perz, Josef Heim, Candace Bruins

Unconventional Resources Technology Conference (URTEC)

...Shallow Velocity Model Building Considerations for Prestack Depth Migration in Unconventionals Mike Perz, Josef Heim, Candace Bruins URTeC: 399...

Using Analytics to Quantify the Value of Seismic Data for Mapping Eagle Ford Sweetspots

Murray Roth, Ted Royer, Ross Peebles, Michael Roth

Unconventional Resources Technology Conference (URTEC)

... an optimized solution has been achieved. The non-linear predictor model for estimating production, using a subset of wells, has a much higher correlation...

Effect of near offset seismic data in shallow subsurface modeling using full-waveform inversion

Md Iftekhar Alam, Salman Abbasi

International Meeting for Applied Geoscience and Energy (IMAGE)

... results using the intermediate model (Figure 4i), a decrease in depth from ~3-16 m to ~3-6 m was observed using 200 ms-1 to linearly increasing velocity...

Constraints on Eolian Grain Flow Dynamics Through Laboratory Experiments on Sand Slopes

Richard R. McDonald , Robert S. Anderson

Journal of Sedimentary Research (SEPM)

... flows, and surface velocity histories of individual packets of the flows, using tracers placed on the flow. The velocity field constrains the surface...

Formation pressure modeling using offshore seismic data

Weilai Pei, Lei Han, Chunyuan Liu

International Meeting for Applied Geoscience and Energy (IMAGE)

... due to under compaction using well data. Original formula that describes the relationship between interval velocity, porosity and pressure is also...

Acoustic modelling with elastic AVA effects

Robin P. Fletcher, James Hobro, James Rickett

International Meeting for Applied Geoscience and Energy (IMAGE)

... acoustic FWI to build the pressure wave velocity model using diving wave long offset data and then fix the propagation velocity, restrict the offsets...

Adjustments of Velocity Logs to Tie Geophone Surveys

Warren Hicks

Oklahoma City Geological Society

... in Granular Media- Journal Acoustical Society of America, Vol. 24, pp. 696-700, 1952. Faust, L. Y.: Seismic Velocity as a Function of Depth and Geologic Time...

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

... porosity.Compressional (VP) velocity and two independent and orthogonally polarized shear-wave (VS1 and VS2) velocities were measured using...

Conditional image prior for uncertainty quantification in full-waveform inversion

Lingyun Yang, Omar M. Saad, Tariq Alkhalifah, Guochen Wu

International Meeting for Applied Geoscience and Energy (IMAGE)

..., a CNN-based image prior velocity model representation (Wu and McMechan, 2019) were updated using FWI. This approach aims to minimize the misfit...

Abstract: On Utilizing Functional Networks Computational Intelligence in Forecasting Rock Mechanical Parameters for Hydrocarbon Reservoirs: Methodology and Comparative Studies, by Emad A. El-Sebakhy, Ognian Asparouhov, Abdulazeez Abdulraheem, Abdul-Aziz Al-Majed, Donghui Wu, and Kris Latinski; #90105 (2010)

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Factors linking the static and dynamic elastic stiffness of shale: An experimental study on shales

Xuan Qin, Yonghao Zhang, De-hua Han1

International Meeting for Applied Geoscience and Energy (IMAGE)

... was that the nonlinear elasticity could be characterized by Young’s modulus as a linear function of the axial strain. The linear function’s intercept represented...