Tricone Bit Smith Insert Steel Tooth API Drill Bit

 

 

 

 

 

We specializing in the production of cone bits, assembly bits, the main sales and supply of oil, water Wells, mining with new and old cone bits, tricone bits, pdc bits, diamond bits, scraper bits, rock reamer, mud pumps, and a variety of drilling accessories and equipment. Mainly used for oil drilling, water Wells, coal exploration.

Model: 3 7/8 "--26" Drilling diameter: 98-660 (mm) Drilling depth: 1000 (m) Dimensions: 98-660 (mm)

2. Conditions of use:

IADC Weight on bit (KN/mm) Rate of penetration (r/min) Suitable formation

417/427 0.3-0.9 150-70 Very soft formations with low compressive strength and high drillability, such as mudstone, gypsum, salt, soft shale, soft limestone, etc

437/447 0.35-0.9 150-70

515/525 0.35-0.9 180-60

517/527 0.35-1.0 140-50 Soft formations with low compressive strength and high drillability, such as mudstone, gypsum, salt, soft shale, soft limestone, etc.

535/545 0.35-1.0 150-60 Soft to medium soft has low compressive strength, such as medium soft shale, medium soft limestone, medium soft sandstone, forming medium hard and hard grinding interlayers.

537/547 0.4-1.0 120-40

617/627 0.45-1.1 90-50 with high compressive strength of medium hard strata, such as hard shale, limestone, sandstone, dolomite, etc.

637 0.5-1.2 80-40 Hard strata with high compressive strength, such as sandstone, limestone, dolomite, gypsum, marble, etc.

737 0.7-1.2-70-40 Hard strata with high compressive strength, such as hard limestone, dolomite, etc.

827/837 0.7-1.2-70-40 High compressive strength, high abrasive hard strata, such as hard limestone, dolomite, hard sandstone, flint, etc.