WELL · 42-105-35736 · DISTRICT 7
University 6 #601
Crockett County · Block 38 (Ellenburger) field · Vertical
University 6 #601 (API 42-105-35736) is a plugged well in Crockett County, plugged September 17, 2014, last operated by Roca Operating Inc..
The RRC has issued one drilling permit, issued December 21, 1989, permitted to 8,400 ft.
It was permitted by R K Petroleum Corporation and has since transferred to Roca Operating Inc. on the wellbore schedule.
Completion filings report 6 formation tops, including Leonard, Spraberry, Wolfcamp, Canyon.
Its 3 leases have reported 9.1K barrels of oil and 95K mcf of gas since January 1993, last reporting in March 2015. The leases carry 3 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by R K Petroleum Corporation; the EWA schedule now lists a different operator.
Midland, TX · P-5 Y, filed Jan 5, 2026 · 23 permits on file · (432) 682-2554
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Roca Operating Inc. |
| Production reports | Rim Operating, Inc.through Sep 2003 |
| Latest permit | R K Petroleum CorporationDec 21, 1989 |
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
- Dec 21, 1989
- last permit issued
- —
- completed
- 9.1K
- cumulative oil, bbl
- 95K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Mar 2015
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- —
- Shut in
- —
- Plugged
- Sep 17, 2014
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 3 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| University 6 O-9-15435 | Block 38 (Ellenburger) | Roca Operating, Inc. | 1 | 49 | 800 | Jul 2003 – Mar 2015 |
| University 6 G-9-170374 | Block 38 (Ellenburger) | Rim Operating, Inc. | 1 | 0 | 33K | Oct 1998 – Oct 2003 |
| University 6 O-9-12770 | Block 38 (Ellenburger) | Aratex Production Company | 1 | 9.05K | 61.2K | Jan 1993 – Jan 1999 |
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.
- 1R K Petroleum Corp.Jan 1993 → Jan 1996
- 2Aratex Production CompanyFeb 1996 → Dec 2002
- 3Barrett, Bill CorporationJan 2003 → May 2003
- 4Rim Operating, Inc.Jun 2003 → Sep 2003
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 367861-99 | Drill | R K Petroleum Corporation | Dec 20, 1989 | Dec 21, 1989 | — | 8,400 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-9-170374 | — | — | — | — |
| — | — O-9-12770 | — | — | — | — |
| — | — O-9-15435 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,575 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Leonard | 2,350 | 225 |
| Spraberry | 4,580 | -2,005 |
| Wolfcamp | 5,657 | -3,082 |
| CanyonCANYON SAND | 7,562 | -4,987 |
| Detrital | 8,248 | -5,673 |
| EllenburgerELLENBURGER DOL. | 8,306 | -5,731 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 8,298 | 8,352 | Perforated |
| 8,298 | 8,352 | Open hole |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 682 | 17.5 | 700 S |
| 8.625 | 2,200 | 11 | 408 S |
| 5.5 | 8,298 | 7.875 | 520 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 12, 2003 | Jul 21, 2003 | — |
| 00 | Aug 1, 2003 | — | — |
| 00 | Oct 23, 1998 | — | — |
| 00 | Feb 16, 1990 | Feb 5, 1990 | Yes |
| 00 | Feb 15, 1990 | — | — |
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 42-105-35736 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-105-35736 → 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/10535736, documented in the API reference.