產(chǎn)品特點:
HF434金剛石鉆頭
4刀翼短拋物線輪廓，力平衡 非對稱刀翼布齒，水力優(yōu)化設(shè)計，在軟至中軟地層可獲得較高鉆速。
The design of short parabolic profile with 4 –blade type configuration,force balanced and asymmetrical cutter placement, optimized flow hydraulic,makes the bit suitable for drilling in soft to medium soft formation with high penetration rate.
產(chǎn)品參數(shù):
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鉆頭尺寸 (in)
BIT SIZE(in)
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鉆頭參數(shù)SPECIFICATION
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噴嘴數(shù)（個）
NOZZLE (PC)
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保徑長度(mm)
GAGE LENGTH(mm)
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API接頭（in)
API CONNECTION(in)
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8½
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4
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60
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4½
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推薦鉆井參數(shù)RECOMMENDED OPERRATION PARAMETERS
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排量HYDRAULIC FLOWRATE
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轉(zhuǎn)速RITATION
SPEED
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鉆壓WIGHT ON BIT
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(1/s)
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(gpm)
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(rpm)
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(KN)
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(Klbs)
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25-35
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400-500
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50-260
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30-100
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7-22
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