WELL · 42-169-33129 · DISTRICT 8
Unocal 940 #1
Garza County · Roxanne K (Ellenburger) field · Vertical
Unocal 940 #1 (API 42-169-33129) is a well in Garza County operated by Yates Energy Corporation, completed October 22, 1992.
The RRC has issued 2 drilling permits between 1992 and 1994, permitted to 8,300 ft.
Completion filings report 6 formation tops, including Spraberry, Wolfcamp, Pennsylvanian, Strawn.
Its 2 leases have reported 300K barrels of oil and 15.6K mcf of gas since January 1993, last reporting in July 2026. The leases carry 3 wells, so these are lease totals, not this well alone.
Operator of record
- Based in
- Roswell, NM
- P-5 status
- Active (A)
- P-5 last filed
- Feb 27, 2026
- Permits on file
- 43
- Phone
- (575) 623-4935
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Yates Energy Corporation |
| Production reports | Yates Energy Corporationthrough Apr 2026 |
| Latest permit | Yates Energy CorporationDec 14, 1994 |
- 8,300
- total depth, ft
- 2
- permits on file
- Dec 14, 1994
- last permit issued
- Oct 22, 1992
- completed
- 300K
- cumulative oil, bbl
- 15.6K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Oct 22, 1992
- Shut in
- —
- Plugged
- —
Surface location
No coordinates on the permit record yet. The RRC's GIS record usually lands within days of issuance; historical master-file permits never carry one.
Lease production
PDQ LEASE REPORTS · REPORTED THROUGH APR 2026
Texas reports oil by lease, not by well. These are the 2 leases this well is completed on; they carry 3 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Unocal '940' O-11-66922 | Roxanne K (Ellenburger) | Yates Energy Corporation | 2 | 173K | 5.88K | Jan 1993 – Jul 2026 |
| Unocal "940" O-11-67341 | Roxanne K, S. (Strawn "A") | Yates Energy Corporation | 1 | 127K | 9.71K | Dec 1994 – Jul 2026 |
Oil, barrels lease total
Last 12 months 2,737 · prior 12 2,581(+6%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Yates Energy CorporationJan 1993 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 430838-99 | Recompletion | Yates Energy Corporation | Dec 9, 1994 | Dec 14, 1994 | Nov 1, 1994 | 8,133 |
| 403411-99 | Drill | Yates Energy Corporation | Sep 11, 1992 | Sep 11, 1992 | Sep 22, 1992 | 8,300 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-11-66922 | — | — | — | — |
| — | — O-11-67341 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,358 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Spraberry | 4,982 | -2,624 |
| Wolfcamp | 5,986 | -3,628 |
| Pennsylvanian | 7,002 | -4,644 |
| Strawn | 7,598 | -5,240 |
| Woodford | 8,046 | -5,688 |
| Ellenburger | 8,128 | -5,770 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 7,646 | 7,652 | Perforated |
| 8,120 | 8,133 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 240 | 17.5 | 250 S |
| 8.625 | 2,388 | 11 | 1,000 S |
| 5.5 | 8,120 | — | 220 S |
| 5.5 | 8,120 | 7.875 | 1,020 S |
Completion filings
W-2 and G-1 reports on record in the RRC wellbore file, newest first. The suffix identifies the wellbore or completion event. About these reports →
| Suffix | Filed | W-2 / G-1 date | Logs referenced |
|---|---|---|---|
| 00 | Feb 16, 1995 | Dec 8, 1994 | Yes |
| 00 | Jan 19, 1995 | Nov 5, 1992 | Yes |
| 00 | Dec 21, 1992 | Nov 5, 1992 | Yes |
| 00 | Nov 23, 1992 | — | — |
The source documents
Petrora holds the structured record. The scanned filings live at the RRC; these links open its search already filled in for this API.
- Wellbore filings for 42-169-33129 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-169-33129 → scanned completion filings
Log images are in archives with no per-well link: the RRC's Neubus archive (2004 onward). then paste it into their search.
About this data
Permits from the RRC OGA049M master and daily daf420 files; wellbore and operator of record from the EWA schedule, weekly; completions, formation tops, casing, and perforations from the dbf900 wellbore file; production from PDQ lease reports, which lag two to three months; injection from UIC permits, H-10 reports, and TexNet daily volumes; earthquakes from the TexNet catalog.
New to these records? How to read a well page · API numbers · completion reports and tops · why production is by lease
Developers: this page as JSON is GET /v1/data/wells/16933129, documented in the API reference.