CORE BITS

Crown rhino profile

Crown rhino profile

Waterway Configurations

SINOCOREDRILL bit’s are offered with multiple custom waterway configurations. Waterway selection should be determined based on the drilling condition and approach appropriately to the bit, flush away cuttings, and maximize penetration rates

Standard/channel flushing (cf)

The bit face contact area is reduced by around 15% compared to the normal arrangement by waterway canals. is most suitable for formation that range from hard to extremely hard while under solid or at most slightly broken conditoins, typically chopped with a lower bit load

Starred/ W Profile

Standard profile for most impregnated bits. it provides good drilling stability and is suitable for various formations

WIDE

applicable to the majority of impregnated core bits. ensure excellent mud circulation from the core barrel’s inside to the exterior. is generally employed on wire line core bits and thin-kerf core bits that are designed for use in mostly fractured rocks

Flat Profile

It’s suitable for various rocks, often used impregnated casing bits, casing shoes as well as bits with very hard metrics

TURBO

is advised in situations when extremely large flushing volumes-higher than usual flushing volumes—-are needed in tougher, cemented formatios, gives roughly a 40% improvement in flushing capacity standard type arrangement while keeping roughly the same bit face area

Cross Profile

It’s specially designed for ultra-hard formations, such as granite (hardness 8-9), genister, quartzite, siliceous limestone, cherty, etc

Face discharg

is advised to use when drilling in moderately brittle, unconsolidated formations and/or when employing triple tube wire line core barrel system since it ejects fluid through ports molded into the bit’s face and has a low fluid pressure

Semi-Round profile

Even diamond distribution in the bit face, suitable for drilling medium-hard and hard rocks, or a little broken and loose formation

Multi-Step profile

Multi-Step type impregnated bit are suitable for soft to medium hard formations and altering hard-soft formations

Rhino silver

Reading impregnated bit code

Beat Type Impregnated bit
HO D709 Standardt Part Code 814170901
Serial No H1 D709 S0120 8 - 098
Bit Results Start: 210.40 m
Finish: 560.80 m
Total: 350.40 m
H1 Bit size
D709 Bit Serie
S8 Waterway type / qty of WW
0120 Product date
098 Sequence no
SOFT TO MEDIUM – VERY ABRASIVE TO SLIGHTLY ABRASIVE, VERY FRACTURED TO SLIGHTLY BROKEN
R1–4
SOFT / MEDIUM
MEDIUM ABRASIVE – MODERATELY BROKEN TO SLIGHTLY BROKEN
R3–5
MEDIUM
MEDIUM TO HARD – MODERATELY ABRASIVE, MODERATELY FRACTURED TO SLIGHTLY BROKEN
R3–7
MEDIUM HARD
MEDIUM TO HARD – MODERATELY ABRASIVE, SLIGHTLY FRACTURED, CO-COMPETENT
R3–7
MEDIUM HARD
HARD – SLIGHTLY ABRASIVE, COMPETENT
R3–7
MEDIUM HARD
SOFT TO MEDIUM – VERY ABRASIVE TO SLIGHTLY ABRASIVE, VERY FRACTURED TO SLIGHTLY BROKEN
R1–4
HARD
SOFT TO MEDIUM – VERY ABRASIVE TO SLIGHTLY ABRASIVE, VERY FRACTURED TO SLIGHTLY BROKEN
R1–4
ULTRA HARD

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