WYOMING · WELLS · BIG HORN COUNTY · API 49-003-20285
Alkali Anti W-1390A 9
Shut inVertical oil wellWOGCC status: Shut-In
- Operator of record
- Rim Operating Inc
- Permitted by
- Costilla Energy Inc
- County
- Big Horn
- Field
- Alkali Anticline
A vertical oil well in Big Horn County, Wyoming, operated by Rim Operating Inc. WOGCC status: shut-in.
Spudded November 22, 1973.
Completed in 2 fields: Alkali Anticline, Alkali Anticline.
It has reported 277,004 bbl of oil, 14,245 Mcf of gas, and 1,650,672 bbl of water since the record begins in January 1978; in the twelve months through August 2026, 3,340 bbl, 0 Mcf, and 10,316 bbl.
- 3,340
- bbl oil, 12 months through Aug 2026
- 0
- Mcf gas, same 12 months
- 10,316
- bbl produced water, same 12 months
- 277,004
- bbl oil since Jan 1978 · 14,245 Mcf gas
- Status
- Approved · WOGCC: Drilling or Drilled Permit
- Approved
- Oct 19, 1973
- Operator
- Costilla Energy Inc
- Proposed formation
- Phosphoria
- Target depth
- 5,800 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 3,340 · prior 12 3,069(+9%)
Alkali Anti W-1390A 9: Oil by month.
Completions
ONE PER RESERVOIR THE WELL IS COMPLETED IN
| Field | Status | Perforations, ft | Completed | Produced | Oil, bbl | Gas, Mcf | Water, bbl |
|---|---|---|---|---|---|---|---|
| Alkali AnticlinePhosphoria-Tensleep | Active | — | — | by Jan 1978 to Sep 2026 | 277,004 | 14,245 | 1,650,672 |
| Alkali AnticlinePhosphoria | — | — | Feb 26, 1974 | — | — | — | — |
Formation tops
Download CSV →15 tops as filed, by depth. A formation filed more than once is listed each time.
| Formation | Depth |
|---|---|
| FRONTIER | 1,566 ft |
| PEAY | 2,114 ft |
| MOWRY | 2,234 ft |
| MUDDY | 2,919 ft |
| CLOVERLY | 3,190 ft |
| MORRISON | 3,319 ft |
| SUNDANCE | 3,834 ft |
| GYPSUM SPRINGS | 4,296 ft |
| CHUGWATER | 4,413 ft |
| DINWOODY | 5,114 ft |
| PHOSPHORIA | 5,142 ft |
| TENSLEEP | 5,347 ft |
| AMSDEN | 5,394 ft |
| DARWIN | 5,584 ft |
| MADISON | 5,638 ft |
Source: Wyoming Oil and Gas Conservation Commission, "Geological Markers Based On Form 3"
Formation tops nearby
Operators of record
| Operator | From | To |
|---|---|---|
| Rim Operating Inc | Oct 1, 2013 | today |
| Prima Exploration Inc | Jan 1, 2000 | Oct 1, 2013 |
Well record
- API number
- 49-003-20285
- Location
- SW SE 29-55N-95W · 180 FSL, 1540 FEL
- Coordinates
- 44.70937, -108.31514 ↗
- Elevation KB
- 4,519 ft
- Total depth
- 5,800 ft
- Land
- Federal
- Basin, as WOGCC files it
- Bighorn Basin
- APD
- Approved Oct 19, 1973
- Proposed formation
- Phosphoria
- Target depth
- 5,800 ft
- Spudded
- Nov 22, 1973
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/4900320285, documented in the API reference.