WELL · 42-383-35121 · DISTRICT 7
University 16-58 #4
Reagan County · Spraberry (Trend Area) field · Shut IN · Vertical
University 16-58 #4 (API 42-383-35121) is a well in Reagan County operated by Civitas Permian Operating LLC, completed March 24, 2001 and listed as shut in on the RRC schedule.
The RRC has issued one drilling permit, issued January 16, 2001, permitted to 8,200 ft.
It was permitted by Hallwood Petroleum, Inc. and has since transferred to Civitas Permian Operating LLC on the wellbore schedule.
Completion filings report 4 formation tops, including Spraberry, Jo Mill, Dean, Wolfcamp.
Its lease has reported 128K barrels of oil and 363K mcf of gas since January 1993, last reporting in July 2026. The lease carries 6 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Hallwood Petroleum, Inc.; the EWA schedule now lists a different operator.
Midland, TX · P-5 Y, filed Aug 4, 2025 · 477 permits on file · (432) 563-8316
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Civitas Permian Operating LLC |
| Production reports | Civitas Permian Operating, LLCthrough Feb 2024 |
| Latest permit | Hallwood Petroleum, Inc.Jan 16, 2001 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 8,200
- total depth, ft
- 1
- permits on file
- Jan 16, 2001
- last permit issued
- Mar 24, 2001
- completed
- 128K
- cumulative oil, bbl
- 363K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Mar 24, 2001
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active
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 6 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| University 16-58 O-9-7669 | Spraberry (Trend Area) | Civitas Permian Operating, LLC | 6 | 128K | 363K | Jan 1993 – Jul 2026 |
Oil, barrels lease total
Last 12 months 0 · prior 12 0
Gas, mcf lease total
Last 12 months 0 · prior 12 0
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Hallwood Energy CorporationJan 1993 → Nov 1994
- 2Hallwood Petroleum, Inc.Dec 1994 → Dec 2001
- 3Hec Petroleum, Inc.Jan 2002 → Mar 2006
- 4Chevron Midcontinent, L.P.Apr 2006 → Nov 2018
- 5Hibernia Resources III, LLCDec 2018 → Nov 2023
- 6Civitas Permian Operating, LLCDec 2023 → Feb 2024
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 504102-99 | Drill | Hallwood Petroleum, Inc. | Jan 16, 2001 | Jan 16, 2001 | Feb 17, 2001 | 8,200 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-9-7669 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,594 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 6,480 | 6,659 | Perforated |
| 7,102 | 7,397 | Perforated |
| 7,873 | 8,058 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 512 | 11 | 200 S |
| 5.5 | 8,199 | 7.875 | 950 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 1, 2001 | Apr 10, 2001 | Yes |
| 00 | Apr 18, 2001 | — | — |
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 42-383-35121 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-383-35121 → 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/38335121, documented in the API reference.