WELL · 42-383-33456 · DISTRICT 7
University -15- #4
Reagan County · Spraberry (Trend Area) field · Vertical
University -15- #4 (API 42-383-33456) is a plugged well in Reagan County, plugged May 19, 2011, last operated by Pioneer Natural Res. USA Inc..
The RRC has issued one drilling permit, issued May 15, 1985, permitted to 8,400 ft.
It was permitted by Reading & Bates Petroleum CO. and has since transferred to Pioneer Natural Res. USA Inc. on the wellbore schedule.
Completion filings report 2 formation tops, including Spraberry, Dean.
Its lease has reported 86.7K barrels of oil and 223K mcf of gas since January 1993, last reporting in June 2023. The lease carries 5 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Reading & Bates Petroleum Co.; the EWA schedule now lists a different operator.
Spring, TX · P-5 Y, filed May 4, 2026 · 15,619 permits on file · (972) 598-8150
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Pioneer Natural Res. USA Inc. |
| Production reports | Pioneer Natural Res. USA, Inc.through Mar 2022 |
| Latest permit | Reading & Bates Petroleum Co.May 15, 1985 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 8,400
- total depth, ft
- 1
- permits on file
- May 15, 1985
- last permit issued
- Jun 19, 1985
- completed
- 86.7K
- cumulative oil, bbl
- 223K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jun 2023
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Jun 19, 1985
- Shut in
- —
- Plugged
- May 19, 2011
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 -15- O-9-5646 | Spraberry (Trend Area) | Pioneer Natural Res. USA, Inc. | 5 | 86.7K | 223K | Jan 1993 – Jun 2023 |
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.
- 1Oklahoma RB Operating CompanyJan 1993 → Jan 1998
- 2Ram Operating, Inc.Feb 1998 → Sep 1998
- 3Scythian, Ltd.Oct 1998 → Apr 2006
- 4Pioneer Natural Res. USA, Inc.May 2006 → Mar 2022
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 275012-99 | Drill | Reading & Bates Petroleum Co. | May 13, 1985 | May 15, 1985 | — | 8,400 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-9-5646 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,611 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 7,112 | 7,390 | Perforated |
| 7,914 | 8,019 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 565 | 11 | 420 S |
| 5.5 | 8,209 | 7.875 | 1,080 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 | Jul 23, 1985 | Jul 3, 1985 | — |
| 00 | Jul 19, 1985 | — | — |
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 42-383-33456 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-383-33456 → 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/38333456, documented in the API reference.