WELL · 42-003-03381 · DISTRICT 8
University-41 #1
Andrews County · McFarland (Ellenburger) field · Vertical
University-41 #1 (API 42-003-03381) is a permitted well in Andrews County filed by Maralo, LLC; no completion report is on file yet.
The RRC has issued 2 drilling permits between 1991 and 2004, permitted to 13,865 ft.
It was permitted by Maralo, LLC and has since transferred to Cog Operating LLC on the wellbore schedule.
Completion filings report 2 formation tops, including Atoka, Devonian.
Its 3 leases have reported 321K barrels of oil and 199K mcf of gas since January 1993, last reporting in July 2026. The leases carry 6 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Maralo, LLC; the EWA schedule now lists a different operator.
Midland, TX · P-5 Y, filed May 4, 2026 · 4,568 permits on file · (432) 853-2355
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | COG Operating LLC |
| Production reports | COG Operating LLCthrough Apr 2026 |
| Latest permit | Maralo, LLCSep 30, 2004 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 13,865
- total depth, ft
- 2
- permits on file
- Sep 30, 2004
- last permit issued
- —
- completed
- 321K
- cumulative oil, bbl
- 199K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- —
- Shut in
- —
- Plugged
- —
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 3 leases 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 "41" O-10-37396 | McFarland (Pennsylvanian) | COG Operating LLC | 1 | 25.3K | 13.7K | Sep 2004 – Jul 2026 |
| University-41 O-10-17219 | McFarland (Ellenburger) | COG Operating LLC | 4 | 162K | 105K | Jan 1993 – Jul 2020 |
| University "41" O-10-33201 | McFarland (Devonian) | Maralo, LLC | 1 | 134K | 80.9K | Jan 1993 – Dec 2004 |
Oil, barrels lease total
Last 12 months 254 · prior 12 364(-30%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Maralo, Inc.Jan 1993 → Dec 1998
- 2Maralo, LLCJan 1999 → Nov 2004
- 3COG Operating LLCDec 2004 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 551710-99 | Recompletion | Maralo, LLC | Sep 29, 2004 | Sep 30, 2004 | — | 13,865 |
| 389187-99 | Recompletion | Maralo, Inc. | Jun 21, 1991 | Jun 25, 1991 | Apr 13, 1991 | 13,865 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-10-17219 | — | — | — | — |
| — | — O-10-33201 | — | — | — | — |
| — | — O-10-37396 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 3,111 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 10,819 | 10,820 | Perforated |
| 12,226 | 12,241 | Perforated |
| — | 13,838 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 11.75 | 273 | — | 300 S |
| 10.75 | 302 | — | — |
| 8.625 | 5,172 | 11 | 1,744 S |
| 8.625 | 5,199 | — | — |
| 5.5 | 13,836 | — | — |
| 4.5 | 13,905 | — | — |
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 | Feb 3, 2005 | Oct 5, 2004 | Yes |
| 00 | Dec 1, 2004 | Jun 25, 1991 | Yes |
| 00 | Jul 15, 1991 | Jun 25, 1991 | Yes |
| 00 | Jul 5, 1991 | — | — |
| 00 | Jan 12, 1984 | Oct 23, 1962 | — |
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 42-003-03381 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-003-03381 → 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/00303381, documented in the API reference.