TEXAS · WELLS · MARTIN COUNTY · UNIVERSITY 40 LEASE · API 42-317-36120 · DISTRICT 7B
University 40 #4
Martin County · Spraberry (Trend Area) field · Shut In · Vertical
University 40 #4 (API 42-317-36120) is a well in Martin County operated by Diamondback E&P LLC, completed January 5, 2011 and listed as shut in on the RRC schedule, shut in April 1, 2026.
The RRC has issued one drilling permit (amended once), issued July 1, 2010, permitted to 11,506 ft.
It was permitted by BC Operating, Inc. and has since transferred to Diamondback E&P LLC on the wellbore schedule.
Completion filings report 6 formation tops, including Glorieta, Clear Fork, Spraberry, Dean.
Its lease has reported 318K barrels of oil and 794K mcf of gas since May 2008, last reporting in July 2026. The lease carries 6 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by BC Operating, Inc.; 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
- 5,237
- 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 | BC Operating, Inc.Jul 1, 2010 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 11,506
- total depth, ft
- 2
- permits on file
- Jul 1, 2010
- last permit issued
- Jan 5, 2011
- completed
- 318K
- cumulative oil, bbl
- 794K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · May 2008 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Jan 5, 2011
- Shut in
- Apr 1, 2026
- 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 6 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| University 40 O-10-39162 | Spraberry (Trend Area) | Diamondback E&P LLC | 6 | 318K | 794K | May 2008 – Jul 2026 |
Oil, barrels lease total
Last 12 months 4,081 · prior 12 4,300(-5%)
Gas, mcf lease total
Last 12 months 10,750 · prior 12 12,379(-13%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1BC Operating, Inc.May 2008 → Nov 2012
- 2PPC Operating Company LLCDec 2012 → Dec 2016
- 3QEP Energy CompanyJan 2017 → Sep 2021
- 4Diamondback E&P LLCMar 2022 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 698214-98 | Drill | BC Operating, Inc. | Dec 9, 2010 | Jul 1, 2010 | Aug 6, 2010 | 11,500 |
| 698214-99 | Drill | BC Operating, Inc. | Jun 28, 2010 | Jul 1, 2010 | Aug 6, 2010 | 11,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Jan 5, 2011 | University 40 O-10-39162 | Spraberry (Trend Area) | Diamondback E&P LLC | Shut In · shut in Apr 1, 2026 | 11,506 |
Formation tops
As filed on W-2/G-1. Subsea from 2,934 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 8,634 | 11,484 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 360 | 17.5 | 435 S |
| 8.625 | 5,289 | 11 | 1,040 S |
| 5.5 | 11,495 | 7.875 | 1,105 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 | Feb 7, 2012 | Apr 4, 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 42-317-36120 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-317-36120 → 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/31736120, documented in the API reference.