TEXAS · WELLS · WINKLER COUNTY · UNIVERSITY 39-21 LEASE · API 42-495-31251 · DISTRICT 7B
University 39-21 #1
Winkler County · Little Joe (Ellenburger) field · Producing · Vertical
University 39-21 #1 (API 42-495-31251) is a well in Winkler County operated by Continental Resources Inc., completed March 19, 1981 and listed as producing on the RRC schedule, shut in March 1, 2025.
The RRC has issued one drilling permit, issued September 5, 1980, permitted to 20,400 ft.
It was permitted by Getty Oil CO. and has since transferred to Continental Resources Inc. on the wellbore schedule.
Its lease has reported 25.4K barrels of oil and 10M mcf of gas since January 1993, last reporting volume in February 2025.
Operator of record
Permitted by Getty Oil Co.; the EWA schedule now lists a different operator.
- Based in
- Oklahoma City, OK
- P-5 status
- Active (A)
- P-5 last filed
- Dec 3, 2025
- Permits on file
- 552
- Phone
- (405) 234-9000
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Continental Resources Inc. |
| Production reports | Continental Resources, Inc.through Feb 2025 |
| Latest permit | Getty Oil Co.Sep 5, 1980 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 20,400
- total depth, ft
- 1
- permits on file
- Sep 5, 1980
- last permit issued
- Mar 19, 1981
- completed
- 25.4K
- cumulative oil, bbl
- 10M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Feb 2025
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Mar 19, 1981
- Shut in
- Mar 1, 2025
- Plugged
- —
Operator's P-5 on the schedule: Active (A)
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 lease this well is completed on; this well is the only one on it.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| University 39-21 G-10-93163 | Little Joe (Ellenburger) | Continental Resources, Inc. | 1 | 25.4K | 10M | Jan 1993 – Feb 2025 |
Gas, mcf lease total
Last 12 months 0 · prior 12 45,571(-100%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Texaco E & P Inc.Jan 1993 → May 2002
- 2Chevron U. S. A. Inc.Jun 2002 → Mar 2022
- 3Continental Resources, Inc.Apr 2022 → Feb 2025
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 91502-99 | Drill | Getty Oil Co. | Sep 5, 1980 | Sep 5, 1980 | — | 20,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Mar 19, 1981 | University 39-21 G-10-93163 | Little Joe (Ellenburger) | Continental Resources Inc. | Producing · shut in Mar 1, 2025 | 20,400 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 19,945 | 20,294 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 20 | 840 | 26 | 1,655 S |
| 13.375 | 4,998 | 17.5 | 4,500 S |
| 9.625 | 12,000 | 12.25 | 2,480 S |
| 2.875 | 18,513 | — | — |
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. The record date is the RRC's own date on the record, not the day the report was filed: 462,034 of the state's filings carry 1984-01-12. About these reports →
| Suffix | RRC record date | W-2 / G-1 date | Logs referenced |
|---|---|---|---|
| 00 | Jan 12, 1984 | May 13, 1981 | — |
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 42-495-31251 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-495-31251 → scanned completion filings
Log images filed since 2004 open from the RRC's log search for this well; none are loaded here for it. The University Lands library has no per-well link: then paste it into its 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/49531251, documented in the API reference.