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JianShi (China) Drilling Tools Co., Ltd.
4 Years
| Ask Lasest Price | |
| Brand Name : | JSBIT |
| Model Number : | 12 1/4inch 311mmtricone roller bit |
| Certification : | API and ISO standard |
| Price : | bargain |
| Payment Terms : | Western Union, T/T |
| Supply Ability : | 500PCS /month |
| Delivery Time : | 1 days |
High Quality 12 1/4inch IADC537 Tricone Rock Drilling Bits
| IADC | Recommended parameters | Applicable strata | |
| WOB KN/mm | Rotating speed r/min | ||
| 116,117 | 0.35-0.8 | 150-80 | Extremely soft formations with high compressive strength and drillability, such as clay, mudstone, chalk |
| 126,127 | 0.35-0.9 | 150-70 | Soft formations with high compressive strength and drillability, such as mudstone, gypsum, salt rock, soft shale, soft limestone |
| 136,137 | 0.35-1.0 | 120-60 | Soft to medium-soft formations with high compressive strength and high drillability, such as medium-soft shale, anhydrite, medium-soft limestone, medium-soft sandstone and soft formations with hard interlayers |
| 216,217 | 0.4-1.0 | 100-60 | Soft to medium formations with compressive strength, such as soft shale, medium soft limestone, medium soft sandstone and soft formations with hard interlayers |
| 246,247 | 0.4-1.0 | 80-50 | Medium-hard formations with high compressive strength, such as hard shale, limestone, sandstone, dolomite |
| 417,437,447 | 0.35-0.9 | 150-70 | Very soft formations with high compressive strength and drillability, such as clay, mudstone, chalk, gypsum, salt rock, soft shale, soft limestone |
| 517,527 | 0.35-1.0 | 140-60 | Soft formations with high compressive strength, such as mudstone, gypsum, salt rock, soft shale, soft limestone |
| 537,547 | 0.45-1.0 | 120-50 | Soft to medium formations with compressive strength, such as medium-soft shale, medium-soft limestone, medium-soft sandstone and medium formations with effective hard abrasive interlayers |
| 617,627 | 0.45-1.1 | 90-50 | Medium-hard formations with high compressive strength, such as hard shale, limestone, sandstone, dolomite |
| 637 | 0.5-1.2 | 80-40 | Hard formations with high compressive strength, such as sandstone, limestone, dolomite and anhydrite, marble |
Re-Run Carbide Insert Tricone Drill Bits
Re-run carbide insert bits are used bits that have been re-worked,
cleaned, and often times painted. Re-runs offer significant cost
savings over new carbide insert bits. Roschen offers a variety of
re-run carbide bits in sizes ranging from 2 1/2" to 36". All
re-runs are premium quality and available for use in soft, medium,
and hard formations.
Contact a us for additional details about our complete line of
re-run carbide insert tricone drill bit product offerings.
Re-Tip Steel Tooth Tricone Drill Bits
Re-tip steel tooth tricone bits are gently used bits that usually
come from the oil fields. They are refurbished for use in
non-oilfield rotary applications, such as water wells, HDD, and
construction type drilling. These bits offer significant cost
savings over new bits. Hole Products offers a wide range of
premium, oil field quality re-tip steel tooth bits in sizes ranging
from 2 1/2" to 36". Re-tip bits are available for use in soft,
medium, and hard formations.
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