TEXAS · WELLS · REAGAN COUNTY · UNIVERSITY CAROLINE LEASE · API 42-383-35223 · DISTRICT 6E
University Caroline #1
Reagan County · Spraberry (Trend Area) field · Producing · Vertical
University Caroline #1 (API 42-383-35223) is a well in Reagan County operated by R2q Operating LLC, completed October 16, 2002 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit, issued August 14, 2002, permitted to 6,860 ft.
It was permitted by Henry Petroleum LP and has since transferred to R2q Operating LLC on the wellbore schedule.
Completion filings report 4 formation tops, including Grayburg, San Andres, Yooer Spraberry, Jo Mill.
Its lease has reported 45.5K barrels of oil and 100K mcf of gas since November 2002, last reporting in July 2026.
Operator of record
Permitted by Henry Petroleum LP; the EWA schedule now lists a different operator.
- Based in
- Iowa Park, TX
- P-5 status
- Active – Extension (X)
- P-5 last filed
- Sep 12, 2025
- Permits on file
- 38
- Phone
- (940) 228-1500
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Extex Operating Company |
| Production reports | Extex Operating Companythrough Apr 2026 |
| Latest permit | Henry Petroleum LPAug 14, 2002 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 6,860
- total depth, ft
- 1
- permits on file
- Aug 14, 2002
- last permit issued
- Oct 16, 2002
- completed
- 45.5K
- cumulative oil, bbl
- 100K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Nov 2002 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Oct 16, 2002
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active – Extension (X)
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 Caroline O-9-15303 | Spraberry (Trend Area) | Extex Operating Company | 1 | 45.5K | 100K | Nov 2002 – Jul 2026 |
Oil, barrels lease total
Last 12 months 650 · prior 12 781(-17%)
Gas, mcf lease total
Last 12 months 1,988 · prior 12 1,734(+15%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Henry Petroleum LPNov 2002 → Apr 2007
- 2Summit Petroleum LLCMay 2007 → Sep 2007
- 3Legacy Reserves Operating LPOct 2007 → Aug 2018
- 4Pbex Operations, LLCSep 2018 → Mar 2021
- 5Extex Operating CompanyApr 2021 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 522702-99 | Drill | Henry Petroleum LP | Aug 12, 2002 | Aug 14, 2002 | Aug 31, 2002 | 6,999 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Oct 16, 2002 | University Caroline O-9-15303 | Spraberry (Trend Area) | R2Q Operating LLC | Producing | 6,860 |
Formation tops
As filed on W-2/G-1. Subsea from 2,785 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Grayburg | 2,980 | -195 |
| San Andres | 3,190 | -405 |
| Yooer Spraberry | 5,890 | -3,105 |
| Jo MillJO MILL SAND | 6,690 | -3,905 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 6,694 | 6,714 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 728 | 11 | 355 S |
| 4.5 | 6,846 | 7.875 | 750 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 | Jan 9, 2003 | Nov 12, 2002 | Yes |
| 00 | Dec 9, 2002 | — | — |
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 42-383-35223 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-383-35223 → 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/38335223, documented in the API reference.