Kuwait 77/8 inch 200mm iadc637 tricone rock drilling bits
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Description
17.5 inch 444.4mm IADC537 TCI tricone rock drill bit
tungsten carbide insert tooth tricone drill bit TCI bit TCI tricone drill bit tungsten carbide insert drill bit 17.5 inch 444.5mm IADC537 TCI tricone roller bit / 17 inch iadc 517 tci tricone drill bit / 444.5 mm seal bearing tricone roller core drill bit application : oil gas geothermy ming water well HDD and fundation
tungsten carbide insert tooth powerful brand quality in China
1) TCI tricone drill bit size 3 inch 26 inch， IADC 517/537/617/637 is suitable for soil, mudstone, gypsum, rock salt, chalk, soft lime，soft shale，with hard interlayer below 40 MPa Soft formation.
2) TCI tricone drill bit Bearing : rubber seal， compound seal， metal seal. The bearing seal structure can be selected from rubber seal, composite seal and metal seal bearing. The service life of the bearing is different. For different working conditions， the product can be reasonably matched with the working conditions， the product can be reasonably matched with the customer to effectively control the cost of drilling
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1, TCI tricone drill bit size |
98-660.4 mm (3 7/8-26 inch) |
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2, TCI tricone drill bit Seal bearing type |
Rubber seal |
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3, TCI tricone drill bit IADC code |
IADC code ,117,,127,217,247,437,517,537,617,637 |
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4, TCI tricone drill bit Connection thread |
Pin (IF, API REG , NC,FH ) |
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5, TCI tricone drill bit Application |
Clay,mudstone,chalk,gypsum,saltrock,shale,limestone,sandstone,dolomite,marble |
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IADC |
Recommended parameter |
TCI tricone drill bit Application |
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Weight on bit （KN/mm） |
Rotational speed （r/min） |
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116 117 |
0.350.8 |
15080 |
Extremely soft formations with low compressive strength and high drillability, such as clay, mudstone, chalk |
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126 127 |
0.350.9 |
15070 |
Soft formations with low compressive strength and high drillability, such as mudstone, gypsum, salt rock, soft shale, and soft limestone |
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136 137 |
0.351.0 |
12060 |
Soft to medium-soft formations with low compressive strength and high drillability, such as medium-soft shales, anhydrite, medium-soft limestone, medium-soft sandstone, and soft formations with hard interlayers |
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216 217 |
0.41.0 |
10060 |
Medium strata with high compressive strength, such as medium soft shale, anhydrite, medium soft limestone, medium soft sandstone, and soft strata with hard interlayers |
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246 247 |
0.41.0 |
8050 |
Medium-hard formations with high compressive strength, such as abrasive shales, limestone, sandstone, dolomite and anhydrite, marble |
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417 437 447 |
0.350.9 |
15070 |
Extremely soft formations with low compressive strength and high drillability, such as clay, mudstone, chalk, mudstone, gypsum, salt rock, soft shale, soft limestone |
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517 527 |
0.351.0 |
14060 |
Soft strata with low compressive strength, such as mudstone, gypsum, salt rock, soft shale, soft limestone |
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537 547 |
0.451.0 |
12050 |
Soft to medium formations with low compressive strength, such as medium soft shales, medium soft limestone, medium soft sandstones, and medium formations with hard abrasive interlayers |
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617 627 |
0.451.1 |
9050 |
Medium-hard strata of high compressive strength, such as hard shale, limestone, sandstone, dolomite |
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637 |
0.51.2 |
8040 |
Hard strata of high compressive strength, such as sandstone, limestone, dolomite and anhydrite, marble |
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