3D interpolation and extrapolation of sparse well data using rock-physics principles: Applications to anisotropic velocity model building

2014 ◽  
Vol 33 (3) ◽  
pp. 248-254 ◽  
Author(s):  
Ran Bachrach ◽  
Konstantin Osypov
Keyword(s):  
Model Building ◽  
Rock Physics ◽  
Velocity Model ◽  
Velocity Model Building ◽  
Well Data ◽  
3D Interpolation

Anisotropic velocity model building using rock physics: Comparison of compaction trends and check‐shot‐derived anisotropy in the Gulf of Mexico

2011 ◽  
Author(s):  
Ran Bachrach ◽  
Yangjun (Kevin) Liu ◽  
Marta Woodward ◽  
Olga Zradrova ◽  
Yi Yang ◽  
...  
Keyword(s):  
Gulf Of Mexico ◽  
Model Building ◽  
Rock Physics ◽  
Velocity Model ◽  
Velocity Model Building

Rock physics guided velocity model building

2018 ◽  
Author(s):  
Huy Le ◽  
Anshuman Pradhan ◽  
Nader C. Dutta ◽  
Biondo Biondi ◽  
Tapan Mukerji ◽  
...  
Keyword(s):  
Model Building ◽  
Rock Physics ◽  
Velocity Model ◽  
Velocity Model Building

Applications of deterministic and stochastic rock physics modelling to anisotropic velocity model building

2013 ◽  
Vol 61 (2) ◽  
pp. 404-415 ◽  
Author(s):  
Ran Bachrach ◽  
Konstantin Osypov ◽  
Dave Nichols ◽  
Yi Yang ◽  
Yangjun Liu ◽  
...  
Keyword(s):  
Model Building ◽  
Rock Physics ◽  
Velocity Model ◽  
Velocity Model Building

Velocity model building using basin modeling and rock physics, with examples from Campeche deep-water Gulf of Mexico

2019 ◽  
Author(s):  
Jianchun Dai ◽  
Dawn Jantz ◽  
Zengbao Chen ◽  
Claire Jacob ◽  
Daniel Smith ◽  
...  
Keyword(s):  
Gulf Of Mexico ◽  
Deep Water ◽  
Model Building ◽  
Rock Physics ◽  
Velocity Model ◽  
Basin Modeling ◽  
Velocity Model Building

Integrated VTI model building with seismic data, geologic information, and rock-physics modeling — Part 2: Field data test

Geophysics ◽  
2016 ◽  
Vol 81 (5) ◽  
pp. C205-C218 ◽  
Author(s):  
Yunyue Li ◽  
Biondo Biondi ◽  
Robert Clapp ◽  
Dave Nichols
Keyword(s):  
Seismic Data ◽  
Model Building ◽  
Structural Information ◽  
Rock Physics ◽  
Velocity Model ◽  
Seismic Inversion ◽  
Well Logs ◽  
Velocity Model Building ◽  
Rock Physics Modeling ◽  
Physics Modeling

Velocity model building is the first step of seismic inversion and the foundation of the subsequent processing and interpretation workflow. Velocity model building from surface seismic data only becomes severely underdetermined and nonunique when more than one parameter is needed to characterize the velocity anisotropy. The traditional seismic processing workflow sequentially performs seismic velocity model building, structural imaging/interpretation, and lithologic inversion, modifying the subsurface model in each step without verifications against the previously used data. We have developed an integrated model building scheme that uses all available information: seismic data, geologic structural information, well logs, and rock-physics knowledge. We have evaluated the accuracy of the anisotropic model in the image space, in which structural information is estimated. The lithologic inversion results from well logs and the dynamic seismic information (amplitude versus angle) are also fed back to the kinematic seismic inversion via a cross-parameter covariance matrix, which is a multivariate Gaussian approximation to the numerical distribution modeled from stochastic rock-physics modeling. The procedure of building the rock-physics prior information and the improvements using these extra constraints were tested on a Gulf of Mexico data set. The inverted vertical transverse isotropic model not only better focused the seismic image, but it also satisfied the geologic and rock-physics principles.

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