Jiang, S., G. Zhang, R. Yuan, X. Li, and E. Feng. “Data Mining: Caliper Prediction Based on Gamma Logging While Drilling: DOI: 10.14800/IOGR.1196”. Improved Oil and Gas Recovery, vol. 6, Jan. 2022, https://smartscitech.com/index.php/IOGR/article/view/1196.