TEXAS · WELLS · MARTIN COUNTY · UNIVERSITY 6-15 LEASE · API 42-317-35785 · DISTRICT 7B
University 6-15 #4
Martin County · Spraberry (Trend Area) field · Shut In · Vertical
University 6-15 #4 (API 42-317-35785) is a well in Martin County operated by Diamondback E&P LLC, completed October 29, 2010 and listed as shut in on the RRC schedule, shut in February 1, 2020.
The RRC has issued 2 drilling permits between 2009 and 2011, permitted to 11,202 ft.
It was permitted by Opal Resources Operating CO.,LLC and has since transferred to Diamondback E&P LLC on the wellbore schedule.
Completion filings report 5 formation tops, including Clear Fork, Spraberry, Dean, Wolfcamp.
Its lease has reported 459K barrels of oil and 610K mcf of gas since February 2010, last reporting in July 2026. The lease carries 9 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Opal Resources Operating Co.,llc; the EWA schedule now lists a different operator.
- Based in
- Midland, TX
- P-5 status
- Active – Extension (X)
- P-5 last filed
- May 4, 2026
- Permits on file
- 5,243
- Phone
- (432) 221-7400
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Diamondback E&P LLC |
| Production reports | Diamondback E&P LLCthrough Apr 2026 |
| Latest permit | Opal Resources Operating Co.,llcJan 3, 2011 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 11,202
- total depth, ft
- 2
- permits on file
- Jan 3, 2011
- last permit issued
- Oct 29, 2010
- completed
- 459K
- cumulative oil, bbl
- 610K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Feb 2010 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Oct 29, 2010
- Shut in
- Feb 1, 2020
- Plugged
- —
Operator's P-5 on the schedule: Active (A)
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 9 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| University 6-15 O-10-40184 | Spraberry (Trend Area) | Diamondback E&P LLC | 9 | 459K | 610K | Feb 2010 – Jul 2026 |
Oil, barrels lease total
Last 12 months 810 · prior 12 1,066(-24%)
Gas, mcf lease total
Last 12 months 564 · prior 12 816(-31%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Opal Resources Operating Co.,llcApr 2010 → Apr 2011
- 2W&T Offshore, Inc.May 2011 → Dec 2014
- 3Ajax Resources, LLCJan 2015 → Oct 2018
- 4Diamondback E&P LLCNov 2018 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 707496-99 | Recompletion | Opal Resources Operating Co.,llc | Dec 22, 2010 | Jan 3, 2011 | Aug 28, 2010 | 11,202 |
| 688925-99 | Drill | Opal Resources Operating Co.,llc | Dec 22, 2009 | Dec 30, 2009 | Aug 26, 2010 | 12,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Oct 29, 2010 | University 6-15 O-10-40184 | Spraberry (Trend Area) | Diamondback E&P LLC | Shut In · shut in Feb 1, 2020 | 11,202 |
| Oct 29, 2010 | University 6-15 O-10-40184 | Spraberry (Trend Area) | Diamondback E&P LLC | Shut In · shut in Feb 1, 2020 | 11,202 |
Formation tops
As filed on W-2/G-1. Subsea from 2,945 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 6,990 | 11,090 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 2,032 | 12.25 | 900 S |
| 7.875 | 11,202 | 7.875 | 1,800 S |
| 5.5 | 11,202 | 7.875 | 1,800 S |
| 5.5 | — | 7.875 | 1,800 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 | Dec 20, 2018 | Sep 26, 2018 | — |
| 00 | Jul 9, 2014 | Jan 9, 2014 | — |
| 00 | Aug 12, 2011 | Jan 3, 2011 | Yes |
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 42-317-35785 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-317-35785 → 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/31735785, documented in the API reference.