Size:9-1/2"          

鉆頭規(guī)范 Bit Specification                                           

切削齒規(guī)格 Cutter Size:                      Φ13mm、Φ16mm

噴嘴數(shù)量/類型 Nozzle Qty/Type:      W20x4+W22x2

保徑長度 Gauge Length:                    2.5＂

連接形式 Connection Type:               6-5/8＂API Reg

 推薦鉆井參數(shù) Recommendations                               

轉(zhuǎn)速 Rotary Speed(rpm):            60～260

鉆壓 Weight on Bit(kn):              20～80

排量 Flow rate(lps):                     22～40

 特性及應(yīng)用 Features and Application                        

1、中等拋物六翼冠形和中等密度布齒適合鉆進(jìn)中軟到中硬地層；

  The shape of medium parabolic curve and six-blade crown and the medium density cutter is suitable for the mid-soft and mid-hard formation.