钻头尺寸(in)

BIT SIZE(in)

钻头参数SPECIFICATION

喷嘴数 (PC)

NOZZLE (PC)

保径长度(mm)

GAGE LENGTH(mm)

API 接头(in)

API CONNECTION(in)

7-7/8

5

50

4-1/2

8-1/2

5

60

4-1/2

12-1/4

7

90

6-5/8

推荐钻井参数RECOMMENDED OPERRATION PARAMETERS

排量HYDRAULIC FLOWRATE

转速RITATION

SPEED

钻压WIGHT ON BIT

(1/s)

(gpm)

(rpm)

(KN)

(Klbs)

25-35

400-550

50-250

30-100

7-23

25-35

400-550

50-250

30-100

7-23

44-60

700-950

50-250

50-160

11-40