Posts – dorschblog

Resgo

Prospect evaluation end-to-end

LDI

geology

geophysics

statistics

This post is a demonstration of the Resgo probabilistic prospect evaluation toolkit, and my motivations for building it.

Nicholas Dorsch

The Lindy Effect

What do we learn from the test of time?

statistics

The Lindy effect states that the future longevity of something is roughly proportional to its current age. The more time something has been around, the more time it will stick…

Nicholas Dorsch

Be careful what you vibe for

AI

opinion

I’m on the AI software development train like everyone else. I can’t deny the productivity boost—it’s too dramatic, too undeniable at this point to avoid—but a whole raft of…

Nicholas Dorsch

What do I mean by “Informatics”?

Making your data pay rent

data

AI

LDI

Inform, from the Latin informare: to give form to the mind.

Nicholas Dorsch

The New Shape of Work

Field notes from my couch

data

AI

opinion

I’ve been thinking a lot about how fundamentally the way I work has changed in the last six months, and how starting a company and being my own boss has made it possible.

Nicholas Dorsch

The DataBasin

A digital transformation bootstrapping system for the oil and gas sector

LDI

data

AI

“Structured data is the foundation of trustworthy AI.”

Nicholas Dorsch

Some Thoughts on DHIs

statistics

geophysics

Direct Hydrocarbon Indicators (DHIs) are anomalous seismic amplitudes driven by the presence of hydrocarbons in rock. In the best case they create structurally conformant…

Nicholas Dorsch

enso: Streamlining Petroleum Data Management with Graphs and GIS

LDI

data

AI

In my previous post I waxed lyrical/incoherently rambled about the benefits of relational databases and good data modelling, comparing it to the pains I’ve experienced doing…

Nicholas Dorsch

… Show me the spreadsheet

coding

opinion

Something my career has taught me so far is that in this industry, behind most important data is an Excel spreadsheet that everyone is afraid of.

Nicholas Dorsch

Open Source AI is Ready for Real Work

coding

AI

A big thank you to Chris and Ant from Zai Node for providing API access to their Australian hosted, private GPU cluster for this project.

Nicholas Dorsch

Berkson’s Boardroom

\(X \rightarrow \text{YOU} \leftarrow Y\)

opinion

statistics

You wake up, face down on a boardroom table. There’s an intercom by your face.

Nicholas Dorsch

How Much is a Coffee Worth to Me?

A masochistic exploration of personal finance

stupid

finance

coding

I moved to Melbourne last year, which, along with being a questionable career choice, turned an already troubling dependence on caffeine into a behavioural disorder.

Nicholas Dorsch

Interpreting Depositional Environments with Bayes

Modelling interpretation uncertainty with the Dirichlet distribution

coding

statistics

geology

The image above depicts a Bouma sequence, which to the untrained eye, is… some tilted mud. To the trained eye however, it is a dead giveaway that the sediment was deposited…

Nicholas Dorsch

Amy, Brett and the Cost of Living Crisis

A Zero-Inflated Model of Household Spending

coding

statistics

To make the processes outlined in the previous two posts more concrete, the following is the story of a young couple trying to manage a household budget. I’ll use an…

Nicholas Dorsch

Correlated Outcomes

coding

statistics

In the previous post I explained how Copulas can be used to sample distributions with correlation. A nice extention of that logic is to simulate discrete outcomes with…

Nicholas Dorsch

Correlated Sampling Made Easy

coding

statistics

A common “gotcha” with creating simple Monte Carlo scripts in Python or Excel is the request to add correlation to the distributions being sampled. This is a difficult thing…

Nicholas Dorsch

What is this blog for?

updates

I’m making this blog to better organize my thoughts, my work portfolio and to develop my writing skills, mostly through technical sharing. It will probably contain writing…

Nicholas Dorsch