[Retracted] Prediction and Optimization of Stability Parameters of Borehole Sensor for Deep Water Drilling Based on Genetic Algorithm

Table 2

Actual drilling parameters of each bit.

Bit number	Depth in/m	Depth out/m	Average WOB/kN	Average speed	Bit wear
6	3864.00	3942.16	150	75	0.6
9B	3972.63	4009.06	175	56	0.7
9C	4013.28	4067.04	171	64	0.8