[Retracted] Prediction of the Least Principal Stresses Using Drilling Data: A Machine Learning Application

Table 1

Descriptive statistical analysis of the dataset used in this study.

Parameter	Q (gpm)	SPP(psi)	T (kft.lbf)	WOB (klb)	ROP (ft/hr)	σmin (psi)	σmzx (psi)
Minimum	191.54	1748.58	2.60	5.75	3.20	11240.43	12308.02
Maximum	289.92	3252.60	3.79	18.94	73.17	12361.17	14599.67
Range	98.38	1504.02	1.19	13.19	69.97	1120.74	2291.65
Mean	242.15	2759.52	3.07	10.31	22.27	11855.70	13731.48
STD	20.12	342.65	0.26	3.10	12.02	302.36	487.08
Skewness	−1.31	−1.12	0.95	0.76	1.05	−0.15	−0.42