Gas Pipeline Anomaly Detection

I have historical pressure and temperature logs from several gas pipelines saved as plain JSON/text files. I need a Python-based machine-learning workflow that can read those files, learn the normal operating patterns, and automatically flag any values that stray from that norm...

(Budget: $30 - $250 USD, Jobs: Anomaly Detection, Data Analysis, Data Mining, Machine Learning (ML), Pandas, PDF, Python, Software Architecture)