Wells tracked
57,442
56,322 with full drill cycle
Median drilling days
19d
spud → total depth
Median plan → spud
9d
APD approval → drilling start
Median APD review
50d
file → approval
Plan revisions
3
median APMs per well
Spuds (last 12 mo)
85
new wells drilled
Drilling duration distribution
Days from spud to total depth. Shelf wells typically finish in <30 days; deepwater wells routinely run 60–240+ days.
Drilling pace over time
Median days by spud year. Trends shift with operator mix, water depth, and rig technology.
Operator benchmark · spuds in last 5 years (≥25 wells)
Sorted by median drilling days. Lower = faster from spud to TD. Compare alongside plan → spud (APD-approval lag) and APMs/well (plan-revision frequency).
| # | Operator | Wells | Median drill (d) | Median plan→spud (d) | Median APD review (d) | Avg APMs/well | Median full cycle (d) |
|---|---|---|---|---|---|---|---|
| 1 | Cantium, LLC | 69 | 4 | -3 | 36 | 2.4 | 49 |
| 2 | Arena Offshore, LP | 81 | 7 | -7 | 22 | 2.8 | 38 |
| 3 | DCOR, L.L.C. | 42 | 12 | — | — | 0.0 | — |
| 4 | Anadarko Petroleum Corporation | 39 | 21 | -27 | 81 | 4.5 | 102 |
| 5 | LLOG Exploration Offshore, L.L.C. | 29 | 22 | -26 | 78 | 4.5 | 115 |
| 6 | BP Exploration & Production Inc. | 41 | 27 | -49 | 104 | 4.0 | 162 |
| 7 | Shell Offshore Inc. | 97 | 51 | -56 | 133 | 4.8 | 172 |
| 8 | Chevron U.S.A. Inc. | 34 | 51 | -81 | 104 | 5.8 | 149 |