유형: | 코어 드릴 비트 |
---|---|
자료: | 고 탄소강 |
용법: | 음 드릴링 |
색상: | 파란색 또는 기타 |
보증 기간: | 3-4년 |
Wob: | 0.3-0.75kn/mm |
비즈니스 라이센스가 검증 된 공급 업체
IADC |
WOB (kN/mm) | RPM(r/min) | Applicable formation | Size(inch) | ||
114\115 | 0.3-0.75 | 180-50 | Soft formation with low compressive strength and high drillability,such as mudstone,clay,chalk,etc | 4 5/8 | 4 3/4 | 5 3/4 |
116\117 | 0.3-0.8 | 150-70 | Soft formation with low compressive strength and high drillability,such as mudstone,clay,chalk,etc | 5 7/8 | 6 | 6 1/4 |
124\125 | 0.3-0.85 | 180-60 | Soft formation with low compressive strength and high drillability,such as mudstone,clay,salt,loose stands,soft limestone,etc | 6 1/2 | 6 3/4 | 7 1/2 |
126\127 | 0.3-0.9 | 150-60 | Soft formation with low compressive strength and high drillability,such as mudstone,clay,salt,loose stands,soft limestone,etc | 7 7/8 | 8 3/8 | 8 1/2 |
134\135 | 0.35-0.95 | 150-50 | Soft to medium formation with low compressive strength or soft with harder streaks,such as mudstone,shale,soft limestone ,sands,etc | 8 3/4 | 9 1/2 | 9 5/8 |
136\137 | 0.35-1.0 | 120-60 | Soft to medium formation with low compressive strength or soft with harder streaks,such as mudstone,shale,soft limestone ,sands,etc | 9 7/8 | 10 | 10 5/8 |
214\215 | 0.4-0.95 | 150-60 | medium hard formation with high compressive strength ,such as medium soft shale,anhydrite,medium soft limestone ,medium soft sandstone as well as thick and hard streaks,etc | 11 | 11 5/8 | 12 1/4 |
216\217 | 0.4-1.0 | 100-60 | medium hard formation with low compressive strength ,such as medium soft shale,limestone and sandstone as well as thick and hard streaks,etc | 13 5/8 | 13 3/4 | 14 3/4 |
244 | 0.35-0.95 | 150-50 | medium hard formation with high compressive strength ,such as hard shale,sands ,limestone,etc | 15 | 15 1/2 | 16 |
246\247 | 0.4-1.0 | 80-50 | medium hard formation with high compressive strength ,such as hard shale,sands ,limestone,etc | 17 1/2 | 20 | 22 |
324\325 | 0.4-1.0 | 120-50 | hard formation with high strength and abrasiveness such as hard limestone,hard sands,dolomite,hard shale,etc | 24 | 26 |
비즈니스 라이센스가 검증 된 공급 업체