TEXAS · WELLS · WINKLER COUNTY · UNIVERSITY 40-21 'B' LEASE · API 42-495-32631 · DISTRICT 7B
University 40-21 B #4
Winkler County · War-Wink E. (7000) field · Horizontal
University 40-21 B #4 (API 42-495-32631) is a plugged horizontal well in Winkler County, plugged August 5, 2008, last operated by Continental Resources Inc..
The RRC has issued one drilling permit (amended once), issued February 20, 1997, permitted to 8,700 ft.
It was permitted by Texaco E & P Inc. and has since transferred to Continental Resources Inc. on the wellbore schedule.
Completion filings report 2 formation tops, including Delaware, Cherry Canyon.
Its lease has reported 309K barrels of oil and 307K mcf of gas since October 1996, last reporting in July 2026. The lease carries 5 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Texaco E & P Inc.; 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 Jun 2022 |
| Latest permit | Texaco E & P Inc.Feb 20, 1997 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 8,700
- total depth, ft
- 2
- permits on file
- Feb 20, 1997
- last permit issued
- Jun 7, 1997
- completed
- 309K
- cumulative oil, bbl
- 307K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Oct 1996 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Jun 7, 1997
- Shut in
- —
- Plugged
- Aug 5, 2008
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; they carry 5 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| University 40-21 'B' O-10-35116 | War-Wink, E. (7000) | Continental Resources, Inc. | 5 | 309K | 307K | Oct 1996 – Jul 2026 |
No volumes reported on these leases in the last three years.
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Texaco E & P Inc.Oct 1996 → May 2002
- 2Chevron U. S. A. Inc.Jun 2002 → Mar 2022
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 458587-98 | Drill | Texaco E & P Inc. | Apr 15, 1997 | Feb 20, 1997 | Apr 19, 1997 | 7,300 |
| 458587-99 | Drill | Texaco E & P Inc. | Feb 13, 1997 | Feb 20, 1997 | — | 8,700 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Jun 7, 1997 | University 40-21 B O-10-35116 | War-Wink E. (7000) | Continental Resources Inc. | Plugged | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,765 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| DelawareDELAWARE SD. | 5,065 | -2,300 |
| Cherry Canyon | 6,785 | -4,020 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 6,792 | 6,812 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 762 | 11 | 350 S |
| 5.5 | 7,300 | 7.875 | 2,110 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 | Aug 7, 1997 | Jun 30, 1997 | Yes |
| 00 | Aug 4, 1997 | — | — |
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 42-495-32631 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-495-32631 → scanned completion filings
Log images are in archives with no per-well link: the RRC's Neubus archive (2004 onward) and the University Lands library. 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/49532631, documented in the API reference.