WYOMING · WELLS · WASHAKIE COUNTY · API 49-043-20304
State 1
Shut inVertical oil wellWOGCC status: Shut-In
- Operator of record
- Contango Resources LLC
- Permitted by
- Bass Enterprises Production Co
- County
- Washakie
- Field
- Rattlesnake
A vertical oil well in Washakie County, Wyoming, operated by Contango Resources LLC. WOGCC status: shut-in.
Spudded August 11, 1976.
Completed in one field: Rattlesnake.
It has reported 259,606 bbl of oil, 237,514 Mcf of gas, and 2,727 bbl of water since the record begins in January 1978; in the twelve months through August 2026, 32 bbl, 7 Mcf, and 0 bbl.
- 32
- bbl oil, 12 months through Aug 2026
- 7
- Mcf gas, same 12 months
- 0
- bbl produced water, same 12 months
- 259,606
- bbl oil since Jan 1978 · 237,514 Mcf gas
- Status
- Approved · WOGCC: Drilling or Drilled Permit
- Approved
- Aug 11, 1976
- Operator
- Bass Enterprises Production Co
- Proposed formation
- Phosphoria
- Target depth
- 10,849 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 32 · prior 12 0
State 1: Oil by month.
Completions
ONE PER RESERVOIR THE WELL IS COMPLETED IN
| Field | Status | Perforations, ft | Completed | Produced | Oil, bbl | Gas, Mcf | Water, bbl |
|---|---|---|---|---|---|---|---|
| RattlesnakePhosphoria | Active | — | Dec 14, 1976 | by Jan 1978 to Mar 2026 | 259,606 | 237,514 | 2,727 |
Formation tops
Download CSV →11 tops as filed, by depth. A formation filed more than once is listed each time.
| Formation | Depth |
|---|---|
| MESAVERDE | 3,840 ft |
| CODY | 4,597 ft |
| FRONTIER | 7,641 ft |
| FRONTIER 4 | 8,070 ft |
| MUDDY | 8,689 ft |
| GREYBULL | 8,995 ft |
| MORRISON | 9,070 ft |
| GYPSUM SPRINGS | 9,702 ft |
| CROW MOUNTAIN | 9,807 ft |
| DINWOODY | 10,590 ft |
| PHOSPHORIA | 10,640 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 | Jul 1, 2020 | today |
| Enduro Operating LLC | Feb 29, 2012 | Jul 1, 2020 |
| Continental Resources Inc | Jan 1, 2000 | Feb 29, 2012 |
Well record
- API number
- 49-043-20304
- Location
- SW SW 36-48N-92W · 589 FSL, 649 FWL
- Coordinates
- 44.08248, -107.84489 ↗
- Elevation KB
- 4,487 ft
- Total depth
- 10,849 ft
- Land
- State
- Basin, as WOGCC files it
- Bighorn Basin
- APD
- Approved Aug 11, 1976
- Proposed formation
- Phosphoria
- Target depth
- 10,849 ft
- Spudded
- Aug 11, 1976
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/4904320304, documented in the API reference.