An Efficient Approach for Real-Time Prediction of Rate of Penetration in Offshore Drilling

Table 3

Summary of results for the recorded parameters.

Parameters	Ranges
Bit size/inch	5.813~8.5
Bit type	1–12
Bit wear	0–9
UCS/psi	2412~21487
Formation drillability	30–75
Formation abrasiveness	1–8
Rotational per speed/rpm	84~126
WOB/10^3 lbs	24~69
Drilling mud type	1~3
Mud viscosity/cp	1~70
Pump pressure/psi	1651–3765
ROP	26.6~120.5