產(chǎn)品特點(diǎn):
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(jì)，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):
鉆頭尺寸 (in)
BIT SIZE(in)
鉆頭參數(shù)SPECIFICATION
噴嘴數(shù)（個(gè)）
NOZZLE (PC)
保徑長度(mm)
GAGE LENGTH(mm)
API接頭（in)
API CONNECTION(in)
8½
4
60
4½
推薦鉆井參數(shù)RECOMMENDED OPERRATION PARAMETERS
排量HYDRAULIC FLOWRATE
轉(zhuǎn)速RITATION
SPEED
鉆壓WIGHT ON BIT
(1/s)
(gpm)
(rpm)
(KN)
(Klbs)
25-35
400-500
50-260
30-100
7-22
