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Table T2. Bottom-hole assembly, Hole C0009A riser drilling. (See table note.)

BHA component Length
(m)
Cumulative
length
(m)
BHA component - 26 inch:
26 inch bit 0.55 0.55
A962M5640 XP 9.17 9.72
Float sub (ported) 0.88 10.60
ARC-8 7.43 18.03
PowerPulse HF w/l weight on bit 8.50 26.53
25-7/8 inch stabilizer 1.26 27.79
8 inch nonmagnetic drilling collar 9.35 37.14
26 inch stabilizer 1.57 38.71
8-1/2 inch drilling collar 9.31 48.02
8-1/2 inch drilling collar 9.31 57.33
8-1/2 inch drilling collar 9.30 66.63
8-1/2 inch drilling collar 9.30 75.93
8-1/2 inch drilling collar 9.30 85.23
8-1/2 inch drilling collar 9.30 94.53
8-1/2 inch drilling collar 9.30 103.83
8-1/2 inch drilling collar 9.30 113.13
Mechanical jar 10.73 123.86
8-1/2 inch drilling collar 9.31 133.17
8-1/2 inch drilling collar 9.31 142.48
8-1/2 inch drilling collar 9.31 151.79
8-1/2 inch drilling collar 9.31 161.10
8-1/2 inch drilling collar 9.31 170.41
Crossover sub 0.79 171.20
5-1/2 inch drill pipe, premium 10.00 181.20
BHA component - 12-1/4 inch:
12-1/4 inch bit 0.28 0.28
PD 900 AA 12-1/4 inch 4.20 4.47
8 inch float sub 0.80 5.27
12 inch stabilizer 1.99 7.25
8 inch collar pony, nonmagnetic 3.01 10.26
TeleScope 825 HF 8.97 19.23
8 inch collar NM 9.35 28.58
8-1/2 inch drilling collar 9.30 37.88
8-1/2 inch drilling collar 9.30 47.18
8-1/2 inch drilling collar 9.30 56.48
8-1/2 inch drilling collar 9.30 65.78
8-1/2 inch drilling collar 9.30 75.08
7-3/4 inch drilling jar 10.70 85.78
8-1/2 inch drilling collar 9.30 95.08
8-1/2 inch drilling collar 9.30 104.38
8-1/2 inch drilling collar 9.30 113.68
8-1/2 inch drilling collar 9.30 122.98
8-1/2 inch drilling collar 9.30 132.28
Crossover sub 0.79 133.07
5-1/2 inch drill pipe 10.00 143.07

Note: BHA = bottom-hole assembly.

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