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PDC钻头 152.4 ETCM738/S722
产品描述
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技术规范 PRODUCT SPECIFICATIONS |
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主切削齿尺寸 Primary Cutter Size |
7mm |
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主切削齿数量 Primary Cutter Quantity |
452 |
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保径长度 Gauge Length |
25.4mm |
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排屑槽面积 Junk Slot Area |
3000mm2 |
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连接扣型 Connection |
川6T-4 |
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钻头重量 Bit Weight |
17KG |
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推荐参数 OPERATING RECOMMENDATIONS |
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钻 压 Weight on Bit |
20～50 KN |
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转 速 Rotatoin Speed |
40～80 RPM |
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排 量 Hydraulic Flow Rate |
6～13 L/S |
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设计特征Design Features |
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■TSP取芯钻头（ETCM系列） |
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TSP core bit (ETCM series) |
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■采用面泻式水道设计，减小泥浆对岩芯侵蚀，取芯收获率高； |
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Face discharge watercourse design is adopted in order to reduce core erosion by mud for increased rate of core recovery. |
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■TSP齿及天然金刚石混合保径，提高钻头使用寿命； |
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Gage is protected by mixture of TSP and ND cutters for improved service life of bit. |
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■适用于硬地层取芯。 |
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Suitable for coring in hard formation. |
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