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[China]
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Address: No. 33 Jinsuo Road, High-tech Zone, Zhengzhou, Henan
Contact name:Robin
Henan Rancheng Machinery Co., Ltd. |
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100 - 400mm Tricone Drill Bit Drilling Rig Tools Used for Water Well Projects
Product Description
The three - gear drill bit is specially designed for drilling projects such as water well drilling and micro pile foundations. It has advantages in drilling hard rocks.
Product Specifications
| IADC | WOB(kn/mm) | RRM(r/min) | Applicable Formations |
| 116 117 | 0.35~0.8 | 150~80 | Very soft formations with low compressive strength and high drillability. such as clay, mudstone, chalk, etc. |
| 126 127 | 0.35~0.9 | 150~70 | Soft formations with low compressive strength and high drillability, such as mudstone, gypsum, salt, salt, soft shale, soft limestone, etc. |
| 136 137 | 0.35~1.0 | 120~60 | Soft to medium soft formations with low compressive strength and high drillability, such as medium-soft shale, hard gypsum, medium soft limestone, medium soft sandstone, soft formation with harder interbeds, etc. |
| 216 217 | 0.4~1.0 | 100~60 | Medium-hard formations with high compressive strength, such as medium-soft shale, hard gypsum, medium soft limestone, medium soft sandstone, soft formations with harder interbeds, etc. |
| 246 247 | 0.4~1.0 | 80~50 | Medium-hard formations with high compressive strength,such as abrasive shale,limestone,sandstone,dolomite,hadr gypsum,marble,etc. |
| 417 437 447 | 0.35~0.9 | 150~70 | Very soft formations with low compressive strength and high drillability, such as clay, gypsum, salt, soft shale, soft limestone, etc. |
| 517 527 | 0.5~1.0 | 140~60 | Soft formations with low compressive strength and high drillability such as mudstone, gypsum, salt, soft shale, soft limestone, etc. |
| 537 547 | 0.45~1.0 | 120~50 | Soft to medium formations with low compressive strength, such as medium-soft shale, medium soft limestone, medium soft limestone, medium soft sandstone, medium formation with harder and abrasives interbeds. etc. |
| 617 627 | 0.45~1.1 | 190~50 | Medium-hard formations with high compressive strength such as hard shale, limestone, sandstone, dolomite, etc. |
| 637 | 0.5~1.2 | 180~40 | Hard formations with high compressive strength, such as sandstone, limestone, dolomite, hard gypsum, marble, etc. |
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