Casing Diameter

(Inch)

Drill Bit Diameter

(Inch)

Interval Depth (m)

Length (m)

Fluid Category

Density (g/cm³)

36''

26'' × 33''

2564 - 2664

100

Seawater mud

1.05

28''

26'' × 33''

2664 - 3050

386

Seawater mud

1.05

22''

26"

3050 - 3450

400

Seawater mud

1.05 - 1.70

18''

12¼'' × 22''

3450 - 3900

450

Oil base mud

1.17 - 1.20

13⅝''

12¼'' × 16½''

3900 - 4700

800

Oil base mud

1.20 - 1.29

11⅞''

12¼'' × 14¾''

4700 - 5300

600

Oil base mud

1.29 - 1.42

9⅞''

10⅝'' ×12¼''

5300 - 6224

924

Oil base mud

1.42 - 1.45