WYOMING · WELLS · FREMONT COUNTY · API 49-013-20892
Big Sand Draw Unit 35A
ActiveVertical oil wellWOGCC status: Producing Gas Well
- Operator of record
- Denbury Onshore LLC
- Permitted by
- Wold Oil Properties Inc
- County
- Fremont
- Field
- Big Sand Draw
A vertical oil well in Fremont County, Wyoming, operated by Denbury Onshore LLC. WOGCC status: producing gas well.
Spudded October 21, 1978.
Completed in one field: Big Sand Draw.
It has reported 310,187 bbl of oil, 754,802 Mcf of gas, and 44,574,885 bbl of water since October 1981; in the twelve months through August 2026, 1,287 bbl, 0 Mcf, and 337 bbl.
- 1,287
- bbl oil, 12 months through Aug 2026
- 0
- Mcf gas, same 12 months
- 337
- bbl produced water, same 12 months
- 310,187
- bbl oil since Oct 1981 · 754,802 Mcf gas
- Status
- Approved · WOGCC: Drilling or Drilled Permit
- Approved
- Oct 21, 1978
- Operator
- Wold Oil Properties Inc
- Proposed formation
- Tensleep
- Target depth
- 8,205 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 1,287 · prior 12 6,641(-81%)
Big Sand Draw Unit 35A: Oil by month.
Completions
ONE PER RESERVOIR THE WELL IS COMPLETED IN
| Field | Status | Perforations, ft | Completed | Produced | Oil, bbl | Gas, Mcf | Water, bbl |
|---|---|---|---|---|---|---|---|
| Big Sand DrawTensleep | Active | — | Mar 26, 1979 | Oct 1981 to Apr 2026 | 310,187 | 754,802 | 44,574,885 |
Formation tops
Download CSV →10 tops as filed, by depth. A formation filed more than once is listed each time.
| Formation | Depth |
|---|---|
| FRONTIER | 2,877 ft |
| MOWRY | 3,760 ft |
| MUDDY | 4,390 ft |
| LAKOTA | 4,590 ft |
| MORRISON | 4,700 ft |
| SUNDANCE | 5,058 ft |
| CHUGWATER | 5,530 ft |
| ALCOVA | 5,932 ft |
| PHOSPHORIA | 7,288 ft |
| TENSLEEP | 7,718 ft |
Source: Wyoming Oil and Gas Conservation Commission, "Geological Markers Based On Form 3"
Formation tops nearby
Operators of record
| Operator | From | To |
|---|---|---|
| Denbury Onshore LLC | Mar 3, 2021 | today |
| Devon Energy Production Company LP | Feb 1, 2013 | Mar 3, 2021 |
| St Mary Land & Exploration Co | Dec 1, 2007 | Feb 1, 2013 |
| Nance Petroleum Corporation | Aug 2, 2005 | Dec 1, 2007 |
| Wold Oil Properties Inc | Jan 1, 2000 | Aug 2, 2005 |
Well record
- API number
- 49-013-20892
- Location
- NW SW 14-32N-95W · 1892 FSL, 885 FWL
- Coordinates
- 42.74591, -108.16370 ↗
- Elevation
- 6,115 ft GR
- Total depth
- 8,205 ft
- Land
- Private
- Basin, as WOGCC files it
- Wind River Basin
- APD
- Approved Oct 21, 1978
- Proposed formation
- Tensleep
- Target depth
- 8,205 ft
- Spudded
- Oct 21, 1978
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/4901320892, documented in the API reference.