An event by Local Chapter London organized on 26 November 2020.

Q1: Could you clarify on your point about wells not needing to tie the seismic?
Q2: As someone who spends a lot of time on seismic vessels as a QC, can you say something about the impact of the different types of noise in the raw seismic data - e.g., swell noise, ship noise, electrical spikes, etc?
Q3: Did you reject many datasets?
Q4: As your prior model appears to be a set of facies probabilities, rather than well logs, does each well become a blind test? Or in another way - how much of the well data goes in to the initial model?
Q5: Can you comment on the number of realisations you typically run to evaluate uncertainty? Do you alternate these process with different rock physics models when in frontier exploration?
Q6: In a project with limited offset wells how would you cope with facies not found in offset wells in terms of facies probabilities etc?
Q7: Do you foresee any major advances in seismic inversion in the next few years?
Q8: What do you do when you see trends from the well logs varying across the seismic survey? Are your trends 1D or can they be applied in a 3D sense?
Q9: Can your techniques work as well with 2D onshore exploration without many wells?
Q10: Can Nick comment on JiFi run times, and whether he thinks it might be possible to train a deep neural network on a number of synthetic forward models for a more performant facies inversion?
Q11: It has been said that uncertainty in the LFM (Low Frequency Model) limits your results. What extra information do you require to improve the LFM?
Q12: Expanding on the current answer, can you look ahead say 10 years and say how much impact AI and ML will have?
Q13: On the topic of probabilities obtained through the inversion process. Do you think these likelihoods are more an expression of accuracy or precision of the prediction?
Q14: Coming from seismic processing background, your talk helps me with understanding further down the line. What’s your thought on using inversion to guide seismic processing?

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