# Oil well drilling activities recognition using a hierarchical classifier

> Research article (Journal of Petroleum Science and Engineering, 2020) · cited 13× · AI/ML

**Wikidata**: [openalex:W3084184316](https://www.wikidata.org/wiki/openalex:W3084184316)  
**Source**: https://4ort.xyz/entity/oil-well-drilling-activities-recognition-using-a-hierarchical-classifier