Decommissioning Cost Estimates Online Query

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Decommissioning Cost Estimates Online Query
data last updated: 11-11-2026 04:00 PM(CST)

The​ GOA decommissioning cost estimates by MMA are now shown as a distribution (P50, P70, P90) based on actual decommissioning expenditure data received from OCS operators since mid-2016. This information is shown on a lease, right-of-way, or right of use and easement basis and also contains detail on a well, platform, pipeline, and site clearance level. This data does not indicate which companies are jointly and severally liable for meeting decommissioning obligations nor the amount of financial assurance that may be required.

Note that the total decommissioning cost estimate for any Lease, RUE, or ROW can be found by adding the sum of the deterministic estimate column to the sum of the distribution estimate column of interest (i.e., P50, P70, or P90). Contact GOARDecommCost@bsee.gov for additional information.
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# 
Lease Number Descending
ROW Number Descending
RUE Number Descending
Lease Status 
Area Code 
Block Number 
Water Depth(Meters) 
Date Last Updated 
Boreholes Count (Spud Wells) 
Boreholes Count (Prop Wells) 
Platforms (Installed) Decom Count 
Platforms (Installed) Site Clear Count 
Platforms (Prop) Decom Count 
Platforms (Prop) Site Clear Count 
Pipelines (Installed) Count 
Pipelines (Prop) Count 
 
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G38234  PRIMRYWR 14523819/15/2026 0 0 0 0 0 0 0 0
G38233  PRIMRYWR 14423149/15/2026 0 0 0 0 0 0 0 0
G38232  PRIMRYWR 14320919/15/2026 0 0 0 0 0 0 0 0
G38231  PRIMRYWR 9921829/15/2026 0 0 0 0 0 0 0 0
G38230  PRIMRYWR 5524109/15/2026 0 0 0 0 0 0 0 0
G38229  PRIMRYWR 2119729/15/2026 0 0 0 0 0 0 0 0
G38228  PRIMRYKC 81921779/15/2026 0 0 0 0 0 0 0 0
G38227  PRIMRYKC 81822009/15/2026 0 0 0 0 0 0 0 0
G38226  PRIMRYKC 73724349/15/2026 0 0 0 0 0 0 0 0
G38225  PRIMRYKC 43026309/15/2026 0 0 0 0 0 0 0 0
G38224  PRIMRYKC 25817349/15/2026 0 0 0 0 0 0 0 0
G38223  PRIMRYAT 6314139/15/2026 0 0 0 0 0 0 0 0
G38222  PRIMRYGC 82313809/15/2026 0 0 0 0 0 0 0 0
G38221  PRIMRYGC 82213359/15/2026 0 0 0 0 0 0 0 0
G38220  PRIMRYGC 82114589/15/2026 0 0 0 0 0 0 0 0
G38219  PRIMRYGC 43411599/15/2026 0 0 0 0 0 0 0 0
G38218  PRIMRYGC 38411239/15/2026 0 0 0 0 0 0 0 0
G38217  PRIMRYGC 37911969/15/2026 0 0 0 0 0 0 0 0
G38216  PRIMRYGC 36210949/15/2026 0 0 0 0 0 0 0 0
G38215  PRIMRYGC 36010289/15/2026 0 0 0 0 0 0 0 0
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API Well Number 
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Bottom Block 
Bottom Lease 
Well Name 
Well Status 
Surface Lease 
Surface Area 
Surface Block 
Cost Eff Date Ascending
P50 
P70 
P90 
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API Well Number 
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Bottom Block 
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Well Name 
Well Status 
Surface Lease 
Surface Area 
Surface Block 
Cost Eff Date Ascending
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P90 
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Authority Type Code 
Authority Number 
Complex ID Number 
Structure Number 
Area Code 
Block Number 
Structure Name 
Cost Eff Date Ascending
P50 Removal 
P50 Site Clear 
P70 Removal 
P70 Site Clear 
P90 Removal 
P90 Site Clear 
Deterministic Removal 
Deterministic Site Clear 
 
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Authority Type Code 
Authority Number 
Complex ID Number 
Structure Number 
Area Code 
Block Number 
Structure Name 
Cost Eff Date Ascending
P50 Removal 
P50 Site Clear 
P70 Removal 
P70 Site Clear 
P90 Removal 
P90 Site Clear 
Deterministic Removal 
Deterministic Site Clear 
 
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Authority Type Code 
Authority Number 
Segment Number 
Originating Lease 
Originating Area 
Originating Block 
Originating Facility Name 
Pipeline Status 
Size 
Prod Code 
Destination Lease 
Destination Area 
Destination Block 
Destination Facility Name 
Cost Eff Date Ascending
P50 
P70 
P90 
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Segment Number 
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Originating Area 
Originating Block 
Originating Facility Name 
Pipeline Status 
Size 
Prod Code 
Destination Lease 
Destination Area 
Destination Block 
Destination Facility Name 
Cost Eff Date Ascending
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P70 
P90 
Deterministic 
 
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Type 
Assets 
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     Sum=Sum=Sum=Sum=
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View the Field Definitions for the Decommissioning Cost Estimates Online Query