Table 5 Optimized drilling parameters recommended for bits’ size 8.5” in the Majnoon Field for (Mishrif, Rumaila, Ahmedi, Mauddud, Nahr Umr, Shu’aiba, and Zubair Formations).

From: Optimizing polycrystalline diamond compact bit selection and drilling parameters for deviated wells in the Majnoon Field, Iraq

Drilling parameters

North of the field

South of the field

Minimum

Maximum

Average

Minimum

Maximum

Average

WOB (klbs)

1

73

19

1

47

15.4

Surface RPM

0

87

50

30

84

62

Total RPM

20

278

213

37

248

200.061

MW (ppg)

9.2

10.85

10

9.3

10.8

10.52

SPP (psi)

631

3414

2358

0

3129

2545.505

Torque (ft-lb)

0

19,499

10066.93

9811

18,004

14404.35

Flow Rate (gpm)

0

761

575

184

662

507.78

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