WYOMING · WELLS · PARK COUNTY · API 49-029-06055
Seb 35
ActiveVertical oil wellWOGCC status: Producing Gas Well
- Operator of record
- Contango Resources LLC
- Permitted by
- Marathon Oil Company
- County
- Park
- Field
- Elk Basin South
A vertical oil well in Park County, Wyoming, operated by Contango Resources LLC. WOGCC status: producing gas well.
Spudded January 6, 1961.
Completed in 3 fields: Elk Basin South, Elk Basin South, Elk Basin South.
It has reported 97,662 bbl of oil, 765,697 Mcf of gas, and 5,086,878 bbl of water since the record begins in January 1978; in the twelve months through August 2026, 0 bbl, 38,169 Mcf, and 0 bbl.
- 0
- bbl oil, 12 months through Aug 2026
- 38,169
- Mcf gas, same 12 months
- 0
- bbl produced water, same 12 months
- 97,662
- bbl oil since Jan 1978 · 765,697 Mcf gas
- Status
- Approved · WOGCC: Drilling or Drilled Permit
- Approved
- Dec 29, 1960
- Operator
- Marathon Oil Company
- Proposed formation
- Embar-Tens
- Target depth
- 7,066 ft
Wells nearby
Every well with a location on file around this well, in any state, nearest first.
Reported production
Every month on file for this well on form 2, summed across its fields and the operators that filed it. The newest months can still be amended.
12 months through Aug 2026 0 · prior 12 0
Seb 35: Oil by month.
Completions
ONE PER RESERVOIR THE WELL IS COMPLETED IN
| Field | Status | Perforations, ft | Completed | Produced | Oil, bbl | Gas, Mcf | Water, bbl |
|---|---|---|---|---|---|---|---|
| Elk Basin SouthPeay | Active | 4,261 to 4,335 MD | — | Jan 1997 to Sep 2026 | 57 | 747,701 | 7,556 |
| Elk Basin SouthEmbar-Tensleep | — | — | Aug 25, 1997 | by Jan 1978 to Mar 1995 | 97,605 | 17,996 | 5,079,322 |
| Elk Basin SouthTensleep | — | — | — | — | 0 | 0 | 0 |
Formation tops
Download CSV →15 tops as filed, by depth. A formation filed more than once is listed each time.
| Formation | Depth |
|---|---|
| LANCE-MEETEETSE | 200 ft |
| MESAVERDE | 1,220 ft |
| CODY | 2,105 ft |
| FRONTIER | 3,876 ft |
| MOWRY | 4,345 ft |
| THERMOPOLIS | 4,700 ft |
| CLOVERLY | 5,260 ft |
| LAKOTA | 5,360 ft |
| MORRISON | 5,643 ft |
| SUNDANCE | 5,797 ft |
| GYPSUM SPRINGS | 6,213 ft |
| CHUGWATER | 6,347 ft |
| DINWOODY | 6,826 ft |
| PHOSPHORIA | 6,846 ft |
| TENSLEEP | 6,882 ft |
Source: Wyoming Oil and Gas Conservation Commission, "Geological Markers Based On Form 3"
Formation tops nearby
Operators of record
| Operator | From | To |
|---|---|---|
| Contango Resources LLC | Feb 1, 2021 | today |
| Encore Energy Partners Operating LLC | Mar 7, 2007 | Feb 1, 2021 |
| Howell Petroleum Corp | Oct 1, 2000 | Mar 7, 2007 |
| Marathon Oil Company | Jan 1, 2000 | Oct 1, 2000 |
Well record
- API number
- 49-029-06055
- Location
- NW SE 20-57N-99W · 1650 FSL, 2310 FEL
- Coordinates
- 44.90511, -108.83206 ↗
- Elevation
- 4,885 ft
- Elevation KB
- 4,896 ft
- Total depth
- 7,066 ft
- Perforations
- 4,261 to 4,335 ft
- Land
- Federal
- Basin, as WOGCC files it
- Bighorn Basin
- APD
- Approved Dec 29, 1960
- Proposed formation
- Embar-Tens
- Target depth
- 7,066 ft
- Spudded
- Jan 6, 1961
About this data
Wyoming Oil and Gas Conservation Commission (WOGCC), from its public database extracts. Status and type are in WOGCC's own words. Production and injection are what operators filed on form 2, by well and month; twelve-month figures end in Aug 2026, the last month whose filings are in. Locations are from the well's location plat and are approximate. The Commission's production file names each well's current operator on every month, so an operator's figures are those of the wells it operates today. Nothing is estimated.
Developers: this page as JSON is GET /v1/data/wells/4902906055, documented in the API reference.