Tool Accessories For Water Drilling Rigs 100mm - 400mm Tricone Drill Bit For Hard Rock
Product Description
Trione bit mainly use for water well drilling, mini piling, etc borehole drilling, for hard rock drilling.
Advantage
1.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.
2. The floating bearing structure is adopted. The floating element is made of a new material with high strength, high elasticity, high temperature resistance and high wear resistance, and the surface is treated with solid lubricant. While reducing the relative linear speed of the bearing pair, the temperature rise of the friction surface is reduced, which can effectively improve the bearing life and bearing reliability under high drilling pressure or high speed drilling process conditions.
3. High-precision metal seals are adopted. The metal seal is composed of a pair of carefully designed and processed metal sealing rings as the axial dynamic seal of the bearing, and two highly elastic rubber energy supply rings are located in the tooth palm and the cone sealing area as static seals. The optimized sealing compression ensures that the two metal ring sealing surfaces always maintain good contact.
4. The steel ball locks the cone to adapt to high speed.
5. The full rubber oil storage bag that can limit the pressure difference and prevent drilling fluid from entering the lubrication system provides a good lubrication guarantee for the bearing system.
6. A new type of grease that can withstand high temperatures of 250°C and resist wear is adopted.
7. The insert drill bit adopts high-strength and high-toughness carbide teeth, optimized tooth row number, number of teeth, exposed tooth height and unique alloy tooth shape, giving full play to the high wear resistance and excellent cutting ability of the insert drill bit. The new wear-resistant material is welded on the tooth surface of the steel tooth drill bit, which increases the life of the drill bit cutting teeth while maintaining the high mechanical drilling speed of the steel tooth drill bit.
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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Tool Accessories For Water Drilling Rigs 100mm - 400mm Tricone Drill Bit For Hard Rock Images
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