Total Organic Carbon Content Prediction in Lacustrine Shale Using Extreme Gradient Boosting Machine Learning Based on Bayesian Optimization

Table 1

Results of the statistical analysis of well S352 well logs.

	GR	RD	AC	DEN	CNL	U	TH	K	TOC
	API	ohm·m	μs/ft	g/cm^3	%	ppm	ppm	%	wt.%
Mean	53.34	18.23	91.56	2.27	36.84	2.14	6.99	1.52	4.11
Std	7.61	41.11	14.19	0.17	7.41	0.71	1.78	0.56	2.37
Max	70.73	1.76	117.95	2.64	49.23	3.97	10.27	3.50	10.18
Min	29.68	296.08	62.80	1.96	19.89	0.63	2.45	0.52	0.29
Skewness	-0.52	5.80	-0.42	0.47	-0.57	0.26	-0.39	1.33	0.39
Kurtosis	1.64	35.71	-0.81	-0.55	-0.61	-0.25	-0.12	2.07	-0.49