Field · the network on the US Outer Continental Shelf
GB958
GB958 is a field on the US Outer Continental Shelf, operated by Shell Offshore Inc. The map shows the owners.
Attribution: Source: BOEM/BSEE Data Center, OGOR-A
The network
From owner to landfall. Links without their own label have their source in the column heading; curated and derived links are labelled at the link.
- The colour shows the content:
- Gas
- Oil
- Condensate
- CO₂
- Oil and condensate
- The line shows the source:
- pipeline in BOEM/BSEE data
- curated, with the source at the link
- possible onward route, not measured flow
- planned or not in service
The links show direction, not volume.
G30876
- Shell Offshore Inc. operator51%Shell · from 8 May 2022
- Statoil Gulf of Mexico LLC49%from 8 May 2022
G32460
- Shell Offshore Inc. operator51%Shell · from 8 May 2022
- Statoil Gulf of Mexico LLC49%from 8 May 2022
A share in a lease is not a field share.
BOEM · 4 Oct 2026- The fieldGB958operator: Shell Offshore Inc.Facilities and pipelines
No facilities in service at BOEM/BSEE
LandfallThe source does not show where the production comes ashore.
Production per month
The source's figures in the source's unit. The oil equivalents in the key figures are converted by the Norwegian Offshore Directorate's rule.
Production per monthBOEM · 7 Oct 2026
| Month | Oil bbl | Gas Mcf |
|---|---|---|
| September 2025 | 0 | 0 |
| August 2025 | 0 | 0 |
| July 2025 | 0 | 0 |
Attribution: Source: BOEM/BSEE Data Center, OGOR-A
Leases
The leases the field lies in, with the licensees as the source states them. A share in a lease is not a field share.
LeasesBOEM · 4 Oct 2026
| Name | Type | Operator | Licensees |
|---|---|---|---|
| G30876 | lease | Shell Offshore Inc. | Shell Offshore Inc. 51%, Statoil Gulf of Mexico LLC 49% |
| G32460 | lease | Shell Offshore Inc. | Shell Offshore Inc. 51%, Statoil Gulf of Mexico LLC 49% |
Notes
- The shares are per lease in the source. A lease share is not a field share, and it is not combined with the field's production.
- BOEM's shares are record title shares per lease. They are not the participation shares in the unit agreements, which are not public, and not necessarily the working interests (operating rights). The fields therefore have no ownership shares; the shares are per lease, and production by share is calculated per lease.
- The ownership history is BOEM's own: each assignment has an effective date, and a share applies from that date until the day before the next change. Shares that ended before 2020 are not included.
- The leases in the Gulf of Mexico are included when they belong to a field in BOEM's field list or have production in Jun 2025–Jun 2026. 1176 leases with current owners, most of them in the exploration term, are not included in the overview.
- The production is BOEM/BSEE's OGOR-A figures per completion, summed per lease and per field for Jun 2025–Jun 2026: oil and condensate in barrels (bbl), gas in Mcf. The figures come three to four months after the production month, and BOEM marks the latest month as incomplete.
- The field operator is the operator BOEM/BSEE gives for the completions in the latest month. The lease operator is the designated operator. The operator and field of the installations are from BOEM's platform file (platmast).
- BOEM has no field outlines. The field's position is the centre of the blocks BOEM links to the field (Gulf of Mexico) or of the leases the field produces from (Pacific).
- The fields are named as in BOEM's list of nicknames. Fields without a nickname are shown with BOEM's field code (for example MC392), and in the Pacific BOEM gives only the field code (HONDO, DSCDRS).
- The share estimate per field is OESA's calculation: the record title share in each lease in the field, weighted by the lease's production from the field in oil equivalent (Jul 2025–Jun 2026), with the share that applied in each month. It is not the field's ownership and is not used in sums; the sums are calculated per lease.
Sources
All figures and links on the page come from these sources. The licence and attribution are as each source requires. Conversions and calculations are OESA's own and labelled with the method.
- BOEM – field names and leases (Field Names Master List, Appendix A) BOEM / BSEE · 7 Oct 2026Licence: U.S. Government Work, public domain (17 U.S.C. § 105)Attribution: Source: BOEM/BSEE Data Center
- BOEM – lease owners with designated operator (Gulf, Pacific, Alaska) BOEM / BSEE · 4 Oct 2026Licence: U.S. Government Work, public domain (17 U.S.C. § 105)Attribution: Source: BOEM/BSEE Data Center
- BOEM/BSEE – well production by month (OGOR-A, Gulf of Mexico) BOEM / BSEE · 7 Oct 2026Licence: U.S. Government Work, public domain (17 U.S.C. § 105)Attribution: Source: BOEM/BSEE Data Center, OGOR-A
Not in the data: Flow in each pipeline, where the gas ends up, and the buyers of oil and gas.