In order to make our drill bit with great drilling performance, we need you provide geologic information as follows:
Rock Name:
Such as: Quartz, Chert, Jasper, Quartzite, Taconites, Granite, Andesite ……
Broken level:
— Extremely to slightly broken rock formation
— moderately to slightly broken rock formation
— Slightly broken to competent rock formation
— competent rock formation
— very competent rock formation
— moderately to slightly broken rock formation
— Slightly broken to competent rock formation
— competent rock formation
— very competent rock formation
Hard Level:
— Ultra hard
— Extremely hard
— Very hard
— Hard
— Medium hard
— Medium
— Medium soft
— Soft
— Extremely hard
— Very hard
— Hard
— Medium hard
— Medium
— Medium soft
— Soft
Abrasiveness:
— Extremely to slightly abrasive
— Abrasive
— Moderately abrasive
— Slightly abrasive
— Slightly abrasive or non-abrasive
— Non-abrasive
— Abrasive
— Moderately abrasive
— Slightly abrasive
— Slightly abrasive or non-abrasive
— Non-abrasive