| KA Series Elastomer sealed Bearing Tricone Rock Bit 橡胶密封镶齿三亚轮钻头 | ||||||
| IADC | WOB (KN/mm) | RPM(rimin) | Applicable formations | |||
| KA417 | 0.35-0.9 | 150-70 | Very soft formations with low compressive strength and high drillability, such as clay, mudstone, chalk, gypsum, salt,soft limestone, etc. | |||
| KA437 | 0.35-0.9 | 150-70 | ||||
| KA447 | 0.35-0.9 | 150-70 | ||||
| KA415 | 0.35-0.9 | 150-70 | ||||
| KA435 | 0.35-0.9 | 150-70 | ||||
| KA517 | 0.35-1.0 | 140-60 | Soft formations with low compressive strength and high drillability, such as mudstone, gypsum, salt, soft limestone, etc | |||
| KA527 | 0.35-1.0 | 140-60 | ||||
| KA515 | 0.35-1.0 | 140-60 | ||||
| KA537 | 0.45-1.0 | 120-50 | Medium formations with low compressive strength, such as medium, soft shale, medium soft limestone, medium soft sandstone, medium formation with harder and abrasive interbeds, etc. | |||
| KA547 | 0.45-1.0 | 120-50 | ||||
| KA535 | 0.45-1.0 | 120-50 | ||||
| KA617 | 0.45-1.1 | 90-50 | Medium hard formation with high compressive strength, such as hard shale, limestone, sandstone, dolomite, etc. | |||
| KA615 | 0.45-1.1 | 90-50 | ||||
| 0.5-1.2 | 0.5-1.2 | 80-40 | Hard formations with high compressive strength, such as sandstone, limestone, dolomite, hard gypsum, marble, etc. | |||
| KJ Series Metal-face sealed Bearing Tricone Rock Bit 金属密封镶齿三亚轮钻头 | ||||||
| IADC | WOB (KN/mm) | RPM(rimin) | Applicable formations | |||
| KJ417 | 0.35-0.9 | 150-70 | Very soft formations with low compressive strength and high drillability, such as clay, mudstone, chalk, gypsum, salt,soft limestone, etc. | |||
| KJ437 | 0.35-0.9 | 150-70 | ||||
| KJ447 | 0.35-0.9 | 150-70 | ||||
| KJ415 | 0.35-0.9 | 150-70 | ||||
| KJ435 | 0.35-0.9 | 150-70 | ||||
| KJ517 | 0.35-1.0 | 140-60 | Soft formations with low compressive strength and high drillability, such as mudstone, gypsum, salt, soft limestone, etc | |||
| KJ527 | 0.35-1.0 | 140-60 | ||||
| KJ515 | 0.35-1.0 | 140-60 | ||||
| KJ537 | 0.45-1.0 | 120-50 | Medium formations with low compressive strength, such as medium, soft shale, medium soft limestone, medium soft sandstone, medium formation with harder and abrasive interbeds, etc. | |||
| KJ547 | 0.45-1.0 | 120-50 | ||||
| KJ535 | 0.45-1.0 | 120-50 | ||||
| KJ617 | 0.45-1.1 | 90-50 | Medium hard formation with high compressive strength, such as hard shale, limestone, sandstone, dolomite, etc. | |||
| KJ615 | 0.45-1.1 | 90-50 | ||||
| 0.5-1.2 | 0.5-1.2 | 80-40 | Hard formations with high compressive strength, such as sandstone, limestone, dolomite, hard gypsum, marble, etc. | |||