Finite Difference Modeling: Part I: Become Expert in Five Minutes

Lasse Amundsen, Ørjan Pedersen, Martin Landrø

GEO ExPro Magazine

... the function over its entire domain. One example is the wave equation. It is a second-order linear partial differential equation which describes how waves...

Estimation of detachment depths and displacements from the area–depth markers of contractional growth structures: Testing the “inverse line” concept

Sam Rivas-Dorado

AAPG Bulletin

... or redrafted from its original source. Interpretations have been validated via regular ADS analysis. If a good linear fit and detachment depth were...

Demultiple for Wide-Tow Broadband Acquisition in a Shallow Water Environment: A Case Study from the NW Shelf, Australia

Mike Hartley, Shuo Ji, Alex Browne

Petroleum Exploration Society of Australia (PESA)

..., including swell and linear noise attenuation. The data were acquired with a variable streamer depth, and ASEG-PESA-AIG 2016 750 August 21–24, 2016...

The impact of fault envelope structure on fluid flow: A screening study using fault facies

Muhammad Fachri, Jan Tveranger, Nestor Cardozo, Oystein Pettersen

AAPG Bulletin

... (F), and shear-strain (G). (H) Creating probability function of fault facies. (I) Populating fault facies using sequential indicator simulation (SIS...

Estimating subsurface geostatistical parameters from surface-based GPR reflection data using a deep-learning approach

Yu Liu, James Irving, Klaus Holliger

International Meeting for Applied Geoscience and Energy (IMAGE)

...Estimating subsurface geostatistical parameters from surface-based GPR reflection data using a deep-learning approach Yu Liu, James Irving, Klaus...

Abstract: Comprehensive Technology for Complex Targets Research with Electromagnetic, Gravity, Magnetic and Seismic Data and its Applications; #90319 (2018)

Zhi Zhao, Dechun Li, Zhao Li

Search and Discovery.com

... data. The velocity model obtained is used in the pre-stacking depth migration, greatly improving the resolution of traps prediction. The three wells...

Delineation of Jonah field Using Seismic and Sonic Velocity Interpretations

Ronald C. Surdam, John Robinson, Zun Sheng Jiao, Nicholas K. Boyd III

Rocky Mountain Association of Geologists

... be expected using the typical regional velocity/depth gradient. In other words, these consistently anomalously slow velocity domains beneath the regional...

Automated velocity modeling with domain transformations

Kevin Gullikson, Arnab Dhara, Ram Tuvi, Mrinal K. Sen

International Meeting for Applied Geoscience and Energy (IMAGE)

... the data from the shot gather domain to the tau-p domain, then predicting the time-domain velocity model using a U-Net, and finally converting from...

Fault Definition Improvements in the West Abu El Gharadig Concession Using Prestack Depth Migration

Search and Discovery.com

Deep neural networks for 1D impedance inversion

Vladimir Puzyrev, Anton Egorov, Anastasia Pirogova, Chris Elders, Claus Otto

Petroleum Exploration Society of Australia (PESA)

... deep learning approaches to inversion of a 1D subsurface velocity model using synthetic impacts the accuracy of the velocity model restoration...

Populations, Trends, and Cycles in Combined-Flow Bedforms

Indranil Banerjee

Journal of Sedimentary Research (SEPM)

... interplay of wave and current parameters (flow depth, orbital diameter, near-bottom unidirectional velocity, mixing length in the turbulence structure...

Effects on the precision of tomography near-surface model with single receiver

Baohua Yu, Yongguo Wu, Haili Wang, Faquan Feng, Quanbin Yang, Lixin Ma

International Meeting for Applied Geoscience and Energy (IMAGE)

... provide a high-precision velocity model for pre-stack depth migration. Introduction With the advancement of the exploration technology and seismic...

Echo phone for direct attenuation indication

Lu Liu, Tong Fei, Fuhao Qin, Yi Luo

International Meeting for Applied Geoscience and Energy (IMAGE)

... (a) attenuation indicator by echo phone method using the redatumed transmitted information and (b) depth-domain migration section using...

RTA Assisted Production Forecasting in Shale Reservoir Development

Chigozie Aniemena, Fabian Vera

Unconventional Resources Technology Conference (URTEC)

...RV Quality (ft. √𝑚𝑑) 3.83 𝑡 𝑒𝑙𝑓 (days) 1062 𝑋 𝑓 (ft) 350 Figure 5 – Estimating SRV Quality using Linear Flow Analysis Well Performan...

Process-based forward modelling of sedimentary basins: the SIMSAFADIM-CLASTIC approach

Search and Discovery.com

Key Technologies for Processing of Seismic Data in Gas Cloud Area, Bohai Bay Basin, #42093 (2017).

Xia Tongxing, Ming Jun, Liu Lei, Zhou Xuefeng, Liu Hongxing, Liu Xuetong

Search and Discovery.com

... during depth migration, which is a specific energy compensation technique for gas cloud area. It estimates a space- and depth-variant Q field by using...

Full-waveform inversion and FWI imaging for land data

James Sheng, Cristina Reta-Tang, Faqi Liu, Alfredo Vzquez Cant, Alejandro Cabrales Vargas

International Meeting for Applied Geoscience and Energy (IMAGE)

..., they argued that even elastic inversion, which should better describe land seismic data, is prone to inaccurate P-wave velocity-depth estimations...

3D Pore Pressure Prediction Model in Bentu Block … Central Sumatra Basin; #41105 (2012)

Wawan A. Behaki, Aldyth Sukapradja, Ronald C. Siregar, Radig Wisnu Y, Setiabundi Djaelani, and Benny A. Sjafwan

Search and Discovery.com

... model. This study predicted formation pore pressures at existing wells using Eaton’s Method from velocity from sonic logs. Then pore pressures were...

3D Pore Pressure Prediction Model in Bentu Block … Central Sumatra Basin

Wawan A. Behaki, Aldyth Sukapradja, Ronald C. Siregar, Radig Wisnu Y, Setiabudi Djaelani, Benny A. Sjafwan

Indonesian Petroleum Association

... at existing wells using Eaton’s Method from velocity from sonic logs. Then pore pressures were distributed away from well control in the 3D reservoir...

Gas Hydrate Geohazard Assessment in the Northern Gulf of Mexico Using a Vertical Line Array, by Erika Géresi, N.R. Chapman, T.M. McGee, and J.R. Woolsey, Article #40159 (2005)

Search and Discovery.com

Joint full-waveform inversion of time-lapse OBN data at Thunder Horse field

Simon Luo, Esteban Diaz, Madhav Vyas, Ganyuan Xia

International Meeting for Applied Geoscience and Energy (IMAGE)

... of Petroleum Geologists Joint Time-Lapse Waveform Inversion Using Equation (5) and an analogous expression for the monitor velocity, baseline and monitor...

Drilling Geomechanics Salt Creep Monitoring: How to Optimize Mud Weight in Real Time and Get a Safe Time Window While Drilling, Tripping, Running and Cementing Casing in Salt Formations; #41954 (2016)

Joao Paulo Castagnoli, Cyrille Montesinos, Diego Muñoz

Search and Discovery.com

...ted in all salt sections. The creep velocity is independent of time exposure and can be interpreted as a salt property that is a function of the de...

Abstract: Multi-component or Vector Dip Filtering Using the S-transform; #90187 (2014)

Kristof De Meersman and Majda Mihoub

Search and Discovery.com

... shows linear dips computed using a 3D shot gather with 50 m receiver spacing and 180 m receiver line spacing. A bandpass filter with corner frequencies...

Reservoir Rocks Behaving Differently

Thomas Smith

GEO ExPro Magazine

..., President of Nonlinear Seismic Imaging, Inc., introduces a suite of proprietary methodologies using these differentiating properties to address...

Chapter 22: Correlation of Seismic Attributes and Geomechanical Properties to the Rate of Penetration in the Mississippian Limestone, Oklahoma

Xuan Qi, Joseph Snyder, Tao Zhao, Kurt J. Marfurt, Matthew J. Pranter

AAPG Special Volumes

... logs in the depth domain. A conversion velocity model ( V 0 ( x , y ) ) was built using commercial software PETREL (© Schlumberger), where...