WELL · 42-317-35768 · DISTRICT 8
University 7-13 #4
Martin County · Spraberry (Trend Area) field · Shut IN · Vertical
University 7-13 #4 (API 42-317-35768) is a well in Martin County operated by Diamondback E&P LLC, completed May 14, 2010 and listed as shut in on the RRC schedule, shut in April 1, 2020.
The RRC has issued one drilling permit (amended twice), issued December 17, 2009, permitted to 10,200 ft.
It was permitted by Chesapeake Operating, Inc. and has since transferred to Diamondback E&P LLC on the wellbore schedule.
Completion filings report 10 formation tops, including Rustler, Seven River, Queen, San Andres.
Its lease has reported 294K barrels of oil and 667K mcf of gas since December 2007, last reporting in July 2026. The lease carries 6 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Chesapeake 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 | Chesapeake Operating, Inc.Dec 17, 2009 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 10,200
- total depth, ft
- 3
- permits on file
- Dec 17, 2009
- last permit issued
- May 14, 2010
- completed
- 294K
- cumulative oil, bbl
- 667K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Dec 2007 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- May 14, 2010
- Shut in
- Apr 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 6 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| University 7-13 O-10-38515 | Spraberry (Trend Area) | Diamondback E&P LLC | 6 | 294K | 667K | Dec 2007 – Jul 2026 |
Oil, barrels lease total
Last 12 months 8,762 · prior 12 14,082(-38%)
Gas, mcf lease total
Last 12 months 23,610 · prior 12 36,051(-35%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Chesapeake Operating, Inc.Dec 2007 → Aug 2012
- 2Enervest Operating, L.L.C.Sep 2012 → Feb 2014
- 3QEP Energy CompanyMar 2014 → Sep 2021
- 4Diamondback E&P LLCOct 2021 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 688792-97 | Drill | Chesapeake Operating, Inc. | Feb 4, 2010 | Dec 17, 2009 | Feb 16, 2010 | 12,000 |
| 688792-98 | Drill | Chesapeake Operating, Inc. | Jan 11, 2010 | Dec 17, 2009 | — | 12,000 |
| 688792-99 | Drill | Chesapeake Operating, Inc. | Dec 17, 2009 | Dec 17, 2009 | Feb 16, 2010 | 12,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| May 14, 2010 | University 7-13 O-10-38515 | Spraberry (Trend Area) | Diamondback E&P LLC | Shut IN · shut in Apr 1, 2020 | 10,200 |
Formation tops
As filed on W-2/G-1. Subsea from 2,914 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Rustler | 2,071 | 843 |
| Seven River | 3,280 | -366 |
| Queen | 3,952 | -1,038 |
| San Andres | 4,804 | -1,890 |
| Glorieta | 5,382 | -2,468 |
| Clear ForkCLEARFORK | 6,494 | -3,580 |
| Upr Spraberry | 8,280 | -5,366 |
| LWR Spraberry | 8,818 | -5,904 |
| Dean | 9,546 | -6,632 |
| Wolfcamp | 9,739 | -6,825 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 7,662 | 10,045 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 1,794 | 11 | 700 S |
| 5.5 | 10,200 | 7.875 | 581 S |
| 5.5 | — | 7.875 | 1,821 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 | Oct 5, 2010 | Jun 4, 2010 | Yes |
| 00 | Sep 28, 2010 | — | — |
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 42-317-35768 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-317-35768 → 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/31735768, documented in the API reference.