WELL · 42-461-40728 · DISTRICT 7
University 3-15 #123H
Upton County · Spraberry (Trend Area) field · Horizontal
University 3-15 #123H (API 42-461-40728) is a horizontal well in Upton County operated by Pioneer Natural Res. USA Inc., completed June 16, 2018.
The RRC has issued one drilling permit, issued November 28, 2017, permitted to 10,250 ft.
Completion filings report 9 formation tops, including Yates, Grayburg, San Andres, Spraberry.
Its 2 leases have reported 2M barrels of oil and 5.85M mcf of gas since July 2008, last reporting in July 2026. The leases carry 30 wells, so these are lease totals, not this well alone.
Operator of record
Spring, TX · P-5 Y, filed May 4, 2026 · 15,619 permits on file · (972) 598-8150
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Pioneer Natural Res. USA Inc. |
| Production reports | Pioneer Natural Res. USA, Inc.through Apr 2026 |
| Latest permit | Pioneer Natural Res. USA, Inc.Nov 28, 2017 |
- 10,250
- total depth, ft
- 1
- permits on file
- Nov 28, 2017
- last permit issued
- Jun 16, 2018
- completed
- 2M
- cumulative oil, bbl
- 5.85M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jul 2008 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Jun 16, 2018
- Shut in
- —
- Plugged
- —
Surface location
31.273140, -101.828323
OpenStreetMap → · Google Maps →
Permit surface location from the RRC GIS record, in Upton County.
Lease production
PDQ LEASE REPORTS · REPORTED THROUGH APR 2026
Texas reports oil by lease, not by well. These are the 2 leases this well is completed on; they carry 30 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| University "3-15" O-9-16660 | Spraberry (Trend Area) | Pioneer Natural Res. USA, Inc. | 27 | 975K | 1.74M | Jul 2008 – Jul 2026 |
| University 3-15 O-9-20360 | Spraberry (Trend Area) | Pioneer Natural Res. USA, Inc. | 3 | 1.03M | 4.11M | Aug 2019 – Jul 2026 |
Gas, mcf lease total
Last 12 months 378,630 · prior 12 551,736(-31%)
Oil, barrels lease total
Last 12 months 66,394 · prior 12 74,045(-10%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Pioneer Natural Res. USA, Inc.Jul 2008 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 833301-99 | Drill | Pioneer Natural Res. USA, Inc. | Nov 16, 2017 | Nov 28, 2017 | Dec 18, 2017 | 10,250 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-9-16660 | — | — | — | — |
| — | — O-9-20360 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,732 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Yates | 2,214 | 518 |
| Grayburg | 3,808 | -1,076 |
| San AndresSAN ANDRES - SALTWATER FLOW | 3,967 | -1,235 |
| Spraberry | 6,720 | -3,988 |
| Wolfcamp | 8,242 | -5,510 |
| Devonian | — | — |
| Ellenburger | — | — |
| Fusselman | — | — |
| Strawn | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 9,198 | 21,505 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 1,242 | 17.5 | 1,171 S |
| 9.625 | 8,335 | 12.25 | 720 S |
| 5.5 | 21,505 | 8.75 | 2,690 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 8, 2019 | Sep 11, 2018 | Yes |
| 00 | Oct 23, 2018 | Sep 11, 2018 | 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 42-461-40728 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-461-40728 → 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.
Nearby wells and their tops
NEAREST 8 LOCATED WELLS WITH TOPS · WITHIN 16 KM
Draw a cross-section
This well's tops beside its 5 nearest neighbours, subsea-aligned so they line up regardless of surface terrain.
University 3-1542-461-40729
0.0 KM · Pioneer Natural Res. USA, Inc. · Section with this well →
| Yates | 2,213 | 519 |
| Grayburg | 3,811 | -1,079 |
| San Andres | 3,971 | -1,239 |
| Spraberry | 6,707 | -3,975 |
| Wolfcamp | 8,224 | -5,492 |
| Fusselman | — | |
| Strawn | — | |
| Devonian | — |
9 TOPS · FIRST 8
University 3-1542-461-40730
0.0 KM · Pioneer Natural Res. USA, Inc. · Section with this well →
| Yates | 2,213 | 519 |
| Grayburg | 3,810 | -1,078 |
| San Andres | 3,982 | -1,250 |
| Spraberry | 6,724 | -3,992 |
| Wolfcamp | 8,244 | -5,512 |
| Devonian | — | |
| Ellenburger | — | |
| Fusselman | — |
9 TOPS · FIRST 8
University 3-15C42-461-40896
0.9 KM · Pioneer Natural Res. USA, Inc. · Section with this well →
| Yates | 2,215 | 518 |
| Grayburg | 3,841 | -1,108 |
| San Andres | 4,084 | -1,351 |
| Spraberry | 6,723 | -3,990 |
| Wolfcamp | 8,242 | -5,509 |
| Strawn | — | |
| Fusselman | — | |
| Ellenburger | — |
9 TOPS · FIRST 8
University 3-15B42-461-40895
0.9 KM · Pioneer Natural Res. USA, Inc. · Section with this well →
| Yates | 2,220 | 514 |
| Grayburg | 3,855 | -1,121 |
| San Andres | 4,088 | -1,354 |
| Spraberry | 6,722 | -3,988 |
| Wolfcamp | 8,243 | -5,509 |
| Devonian | — | |
| Ellenburger | — | |
| Fusselman | — |
9 TOPS · FIRST 8
University 3-15A42-461-40894
0.9 KM · Pioneer Natural Res. USA, Inc. · Section with this well →
| Yates | 2,219 | 514 |
| Grayburg | 3,874 | -1,141 |
| San Andres | 4,108 | -1,375 |
| Spraberry | 6,738 | -4,005 |
| Wolfcamp | 8,248 | -5,515 |
| Strawn | — | |
| Fusselman | — | |
| Ellenburger | — |
9 TOPS · FIRST 8
University W3-169A42-461-41081
0.9 KM · Pioneer Natural Res. USA, Inc. · Section with this well →
| Yates | 2,220 | 514 |
| Grayburg | 3,696 | -962 |
| San Andres | 4,003 | -1,269 |
| Spraberry | 6,722 | -3,988 |
| Wolfcamp | 8,235 | -5,501 |
| Devonian | — | |
| Ellenburger | — | |
| Fusselman | — |
9 TOPS · FIRST 8
University W3-169B42-461-41082
0.9 KM · Pioneer Natural Res. USA, Inc. · Section with this well →
| Yates | 2,218 | 518 |
| Grayburg | 3,683 | -947 |
| San Andres | 3,993 | -1,257 |
| Spraberry | 7,242 | -4,506 |
| Wolfcamp | 8,223 | -5,487 |
| Devonian | — | |
| Ellenburger | — | |
| Fusselman | — |
9 TOPS · FIRST 8
University W3-169D42-461-41084
0.9 KM · Pioneer Natural Res. USA, Inc. · Section with this well →
| Yates | 2,223 | 485 |
| Grayburg | 3,702 | -994 |
| San Andres | 3,979 | -1,271 |
| Spraberry | 6,695 | -3,987 |
| Wolfcamp | 8,221 | -5,513 |
| Fusselman | — | |
| Devonian | — | |
| Strawn | — |
9 TOPS · FIRST 8
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/46140728, documented in the API reference.