9 1/2" ZW 217 Milled Tooth Bit
- Company Name:Hebei Zhiwei Petroleum Equipment Co.Ltd
- Membership:Free Member
- Member Since:2019. 03.02
- Country/Region:China
- City:Hebei
- Contact:lisa
- Related Keywords:Milled tooth bit, steel tooth bit, tricone bit
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Hebei Zhiwei Petroleum Equipment Co.Ltd
[China]
9 1/2" ZW217 Tricone Milled tooth bit
|
|
IADC |
Rock formation |
WOB (KN/mm) |
PRM(r/min) |
117 |
Very soft formations with low compressive strength and high drillability ,such as mudstone,clay,chalk,etc |
0.35-0.8 |
150-80 |
127 |
Soft formations with low compressive strength and high drillability ,such as mudstone,gypsum,salt,soft shale,soft limestone,etc |
0.35-0.9 |
150-70 |
217 |
Medium formations with high compressive strength,such as medium soft shale,hard gypsum,medium soft limestone,medium soft sandstone,soft formation with harder interbeds,etc. |
0.4-1.0 |
100-60 |
417/437 |
Very soft formations with low compressive strength and high drillability ,such as mudstone,clay,chalk,gypsum,salt,soft shale,soft limestone,etc. |
0.35~0.90 |
150~70 |
447 |
Low compressive strength, high drill-ability and soft formation, like shale, clay, sandstone, soft limestone, salt rock, plaster etc. |
0.35~1.00 |
140~60 |
517 |
Soft formation with low compressive strength and high drillability ,such as mudstone,gypsum,salt,soft shale,soft limestone,etc |
0.35~1.05 |
120~50 |
527 |
Soft formation with low compressive, like Low compressive strength, high drill-ability and soft formation, like shale, clay, sandstone, soft limestone, salt rock, anhydrite etc. |
0.35~1.05 |
120~50 |
537/547 |
Soft to medium formations with low compressive strength,such as medium soft shale,medium soft limestone,medium soft sandstone,medium formation with harder and abrasiver interbeds,etc |
0.45~1.0 |
120~50 |
617/627 |
Medium hard formations with high compressive strength,such as hard shale,limestone,sandstone,dolomite,etc. |
0.45~1.1 |
90~50 |
637/647 |
Hard formations with high compressive strength,such as sandstone,limestone,dolomite,hard gypsum,marble,etc. |
0.5~1.20 |
80~40 |
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