Podcast
Questions and Answers
What is the main advantage of utilizing shear wave information in acoustic inversion?
What is the main advantage of utilizing shear wave information in acoustic inversion?
- Higher computational efficiency
- Better separation of lithologies (correct)
- Increased seismic velocity
- Improved depth resolution
Which attribute alone may not be sufficient to discriminate certain lithologies or fluid content?
Which attribute alone may not be sufficient to discriminate certain lithologies or fluid content?
- P-Impedance (correct)
- Poisson's ratio
- Shear wave velocity
- Vp/Vs ratio
What role do the Vp/Vs ratio and Poisson's ratio play in lithology/fluid classifications?
What role do the Vp/Vs ratio and Poisson's ratio play in lithology/fluid classifications?
- They are used in a minority of cases
- They only apply to gas sands
- They are critical indicators (correct)
- They are irrelevant in classification
Why are the Vp/Vs ratio and Poisson's ratio highly sensitive to the quality of the AVA response?
Why are the Vp/Vs ratio and Poisson's ratio highly sensitive to the quality of the AVA response?
Why is the stability of the Vp/Vs ratio after elastic inversion considered the ultimate way to quality control pre-stack amplitudes?
Why is the stability of the Vp/Vs ratio after elastic inversion considered the ultimate way to quality control pre-stack amplitudes?
What does Simultaneous Inversion allow us to invert for, in addition to P-Impedance?
What does Simultaneous Inversion allow us to invert for, in addition to P-Impedance?
What is one of the benefits of simultaneous inversion mentioned in the text?
What is one of the benefits of simultaneous inversion mentioned in the text?
Why is simultaneous inversion considered necessary for characterizing reservoirs properly?
Why is simultaneous inversion considered necessary for characterizing reservoirs properly?
In the context of simultaneous inversion, what do the inverted elastic parameter volumes include?
In the context of simultaneous inversion, what do the inverted elastic parameter volumes include?
What differentiates simultaneous inversion from acoustic inversion?
What differentiates simultaneous inversion from acoustic inversion?
Why is it mentioned that simultaneous inversion makes P-impedance results more robust?
Why is it mentioned that simultaneous inversion makes P-impedance results more robust?
How does combining both inverted attributes (Ip and Vp/Vs) aid in reservoir characterization?
How does combining both inverted attributes (Ip and Vp/Vs) aid in reservoir characterization?
What is one way to reduce the non-uniqueness in pre-stack inversion?
What is one way to reduce the non-uniqueness in pre-stack inversion?
What does the simultaneous inversion process solve for when using linear trends for basic variables?
What does the simultaneous inversion process solve for when using linear trends for basic variables?
What is one key requirement that the final simultaneous inversion model must comply with?
What is one key requirement that the final simultaneous inversion model must comply with?
What concept lies behind most inversion algorithms?
What concept lies behind most inversion algorithms?
Which term in the objective function controls the sparsity of the solution in simultaneous inversion?
Which term in the objective function controls the sparsity of the solution in simultaneous inversion?
In simultaneous inversion, which term constrains the relationship between density and Vp (velocity of compressional waves)?
In simultaneous inversion, which term constrains the relationship between density and Vp (velocity of compressional waves)?
What property does 'Fmudrock' term constrain in simultaneous inversion?
What property does 'Fmudrock' term constrain in simultaneous inversion?
What additional insights can be gained through simultaneous inversion?
What additional insights can be gained through simultaneous inversion?
What does simultaneous inversion aim to minimize?
What does simultaneous inversion aim to minimize?
What concept is introduced to describe the variation of seismic amplitude with the offset or angle?
What concept is introduced to describe the variation of seismic amplitude with the offset or angle?
What do the Zoeppritz equations describe?
What do the Zoeppritz equations describe?
Which property can affect rock properties, leading to changes in P&S velocities and subsequently affecting transmission and reflection coefficients?
Which property can affect rock properties, leading to changes in P&S velocities and subsequently affecting transmission and reflection coefficients?
What does Fatti et al.'s approximation simplify?
What does Fatti et al.'s approximation simplify?
What is key to ensuring a robust simultaneous inversion process?
What is key to ensuring a robust simultaneous inversion process?
What is the purpose of generating synthetic seismic traces in model-based simultaneous inversion?
What is the purpose of generating synthetic seismic traces in model-based simultaneous inversion?
What do the Fatti approximation's three terms represent in the simplified linear equation?
What do the Fatti approximation's three terms represent in the simplified linear equation?
What is the main requirement for a model-based simultaneous inversion process?
What is the main requirement for a model-based simultaneous inversion process?
What does the simultaneous inversion process aim to convert seismic data into?
What does the simultaneous inversion process aim to convert seismic data into?
What is the term used to describe the variation of seismic amplitude with offset or angle?
What is the term used to describe the variation of seismic amplitude with offset or angle?
