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15.5inch 393.7mm ADC537 insert tricone bit
15.5inch 393.7mm ADC537 insert tricone bit

Albania 15.5inch 393.7mm ADC537 insert tricone bit

1) Steel tooth roller 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)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 customer to effectively control the cost of drilling

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AlbaniaRubber seal tricone bit

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Description

1) Steel tooth roller 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)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 customer to effectively control the cost of drilling
 

IADC

 Recommended parameter

Applicable stratum

Weight on bit

（KN/mm）

Rotational speed

（r/min）

116 117

0.350.8

15080

 Extremely soft formations with low compressive strength and high drillability, such as clay, mudstone, chalk

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

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

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

246 247

0.41.0

8050

 Medium-hard formations with high compressive strength, such as abrasive shales, limestone, sandstone, dolomite and anhydrite, marble

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

517 527

0.351.0

14060

 Soft strata with low compressive strength, such as mudstone, gypsum, salt rock, soft shale, soft limestone

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

617 627

0.451.1

9050

 Medium-hard strata of high compressive strength, such as hard shale, limestone, sandstone, dolomite

637

0.51.2

8040

 Hard strata of high compressive strength, such as sandstone, limestone, dolomite and anhydrite, marble

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