Table 1. Statistical Information Table of Original Input Parameters.

parameter	unit	minimum	maximum	average
depth	m	2640	4492	3566
DT	μs/ft	59.59	172.53	79.26
GR	GAPI	24.68	325.84	83.72
ZDEN	g/cm3	1.18	2.65	2.318
PP	g/cm3	0.94	1.35	1.09
CAL	in	20.48	42.79	30.69
drilling time	min/m	1.85	129.4	18.51
WOB	KN	20	120	81.06
BRS	r/min	73	200	180.12
PD	L/s	20	50	38.38
pump pressure	MPa	10	20	17.48
DFD	g/cm3	1.2	1.52	1.38
ROP	m/h	0.67	9.8	3.39