YINHAI—YHA系列橡胶密封滑动轴承三牙轮钻头推荐参数及适用地层
YINHAI-YHA SERISES RUBBER JOURNAL SEALED BEARING TRICONE BITS RECOMMENED PARAMETERS AND APPLICABLE FORMATION
序号NO. | IADC | 推荐参数 recommend parameters | 适用地层formation | |
钻压WOB KN/mm | 转速RPM r/min | |||
1 | 116、117 | 0.35~0.8 | 150~80 | 低抗压强度高可钻性的极软地层,如粘士、泥岩、白垩 Extremly soft formation with low compressive strength and high drillability,such clay,mudstone,cretaceous |
2 | 126、127 | 0.35~0.9 | 150~70 | 低抗压强度高可钻性的软地层、如泥岩、石膏、盐岩、软页岩、软石灰岩 Soft formation with low compressive strength and high drillability,such as mudstone,gypsum,salinastone,soft shale,soft limestone |
3 | 136、137 | 0.35~1.0 | 120~60 | 低抗压强度高可钻性的软至中软地层,如中软页岩、硬石膏、中软石灰岩、中软砂岩和有硬夹层的软地层 Soft to mid-soft formation with low compressive strength and high drillability,such mid-soft shale,anhydrite,mid-soft limestone,mid-soft sandstone and soft formation with hard interbeds |
4 | 216、217 | 0.4~1.0 | 100~60 | 低抗压强度的软到中等地层,如中软页岩,中软石灰岩、中软砂岩和有硬夹层的软地层 Soft to medium formation with low compressive strength,such as mid-soft shale,mid -soft limestone,mid-soft sandstone and soft formation with hard interbeds |
5 | 246、247 | 0.4~1.0 | 80~50 | 高抗压强度的中硬地层,如硬页岩、石灰岩、砂岩、白云岩 Mid-hard formation with high compressive strength,such as hard shale,limestone,sandstone and dolomite |
6 | 417、437、447 | 0.35~0.9 | 150~70 | 低抗压强度高可钻性的极软地层,如粘土、泥岩、白垩、石膏、盐岩、软页岩、软石灰岩 Extremely soft formation with low compressive strength and high drillability,such as clay,mudstone,cretaceous,gypsum,salinastone,soft shale and soft limestone |
7 | 517、527 | 0.35~1.0 | 140~60 | 低抗压强度的软地层,如泥岩、石膏、盐岩、软页岩、软石灰岩 soft formation with low compressive strength ,such as mudstone,gypsum,salinastone,soft shale and soft limestone |
8 | 537、547 | 0.45~1.0 | 120~50 | 低抗压强度的软到中等地层,如中软页岩、中软石灰岩、中软砂岩和有较硬研磨性夹层的中等地层 Soft to medium formation with low compressive strength,such as mid-soft shale,mid -soft limestone,mid-soft sandstone and medium formation with harder abrasiveness interbeds |
9 | 617、627 | 0.45~1.1 | 90~50 | 高抗压强度的中硬地层,如硬页岩、石灰岩、砂岩、白云岩 Mid-hard formation with high compressive strength,such as hard shale,limestone,sandstone,and dolomite |
10 | 637 | 0.5~1.2 | 80~40 | 高抗压强度的硬地层,如砂岩、石灰岩、白云岩和硬石膏、大理石 Hard formation with high compressive strength,such as sandstone,limestone,dolomite and anhydrite,marble |
注:表中推荐的钻压和转速不可同时使用上限。
Note :The upper limits of WOB and RPM in above table should not be used simultaneously.
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四 如何保证质量?
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