China Sliding Bearing 100% New Tricone Bits for Oil Natural Gas Water Well Drilling, Find details about China Tricone Bit for Well Drilling, Tricorn Hat from China Sliding Bearing 100% New Tricone Bits for Oil Natural Gas Water Well Drilling
Size | 12" |
IADC | 437 |
Bearing Type | sealed bearing |
Thread Connection | 6 5/8" reg pin |
WOB(KN/mm) | 0.20~0.70 |
RPM(r/min) | 200~80 |
Suitable formation | Very soft formations with low |
compressive strength and high drillability, | |
such as clay,mudstone,chalk,gypsum, | |
salt,soft limestone, etc. | |
Payment terms | T/T,Western Union,and L/C are |
acceptable |
IADC code | WOB | RPM | Applicable Formations |
(KN/mm) | (r/min) | ||
437/447 | 0.35~0.9 | 240~70 | Very soft formations with low compressive strength and high drillability, |
such as clay,mudstone,chalk,gypsum,salt,soft limestone, etc. | |||
517/527/515 | 0.35~1.0 | 220~60 | Soft formations with low compressive strength and high drillability, |
such as mudstone,gypsum,salt,soft limestone, etc. | |||
537/547/535 | 0.45~1.0 | 220~50 | Soft to medium formations with low compressive strength, |
such as medium, soft shale, medium soft limestone, medium | |||
soft sandstone, medium formation with harder and abrasive interbeds, etc. | |||
617/615 | 0.45~1.1 | 200~50 | Medium hard formation with high compress strength, |
such as hard shale, limestone, sandstone, dolomite. etc | |||
0.5~1.1 | 180~40 | Hard formations with high compressive strength, | |
637/635 | such as sandstone, limestone, dolomite ,hard gypsum, marble, etc. |