WELL · 42-461-31811 · DISTRICT 7
University 9 #1
Upton County · Spraberry (Trend Area) field · Vertical
University 9 #1 (API 42-461-31811) is a plugged well in Upton County, plugged June 8, 2020, last operated by Pioneer Natural Res. USA Inc..
The RRC has issued 2 drilling permits between 1981 and 2020, permitted to 8,225 ft.
Completion filings report 4 formation tops, including Spraberry, Jo Mill, Dean, Wolfcamp.
Its 2 leases have reported 34.1K barrels of oil and 73.8K mcf of gas since January 1993, last reporting in March 2021. The leases carry 2 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 Dec 2019 |
| Latest permit | Pioneer Natural Res. USA, Inc.Mar 19, 2020 |
- 8,225
- total depth, ft
- 2
- permits on file
- Mar 19, 2020
- last permit issued
- Jan 28, 1982
- completed
- 34.1K
- cumulative oil, bbl
- 73.8K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Mar 2021
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Jan 28, 1982
- Shut in
- —
- Plugged
- Jun 8, 2020
Surface location
31.287831, -101.817954
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 2 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| University "9" O-9-20830 | Spraberry (Trend Area) | Pioneer Natural Res. USA, Inc. | 1 | 0 | 0 | Mar 2020 – Mar 2021 |
| University "9" O-9-9504 | Benedum (Spraberry) | Pioneer Natural Res. USA, Inc. | 1 | 34.1K | 73.8K | Jan 1993 – Mar 2020 |
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.
- 1Amax Oil & Gas Inc.Jan 1993 → Apr 1993
- 2Consolidated Oil & Gas, IncMay 1993 → Aug 1995
- 3Hugoton Energy CorporationSep 1995 → Mar 1998
- 4Chesapeake Operating, Inc.Apr 1998 → Sep 1999
- 5Nadel and Gussman Permian,l.l.c.Oct 1999 → Jul 2002
- 6Pure Resources, L.P.Aug 2002 → Mar 2006
- 7Chevron Midcontinent, L.P.Apr 2006 → Feb 2018
- 8Pioneer Natural Res. USA, Inc.Mar 2018 → Aug 2019
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 862822-99 | Field transfer | Pioneer Natural Res. USA, Inc. | Mar 17, 2020 | Mar 19, 2020 | — | 8,100 |
| 133739-99 | Drill | Moran Exploration, Inc. | Sep 15, 1981 | Sep 15, 1981 | — | 8,225 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-9-9504 | — | — | — | — |
| — | — O-9-20830 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,672 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 7,476 | 8,100 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 755 | 12.25 | 425 S |
| 2.375 | 8,160 | — | — |
| 4.5 | 8,209 | 7.875 | 1,350 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 | May 7, 2020 | Mar 26, 2020 | — |
| 00 | Mar 31, 2020 | Apr 14, 1982 | — |
| 00 | Jan 12, 1984 | Apr 14, 1982 | — |
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 42-461-31811 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-461-31811 → 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.
UL Boss Hogg J42-461-41631
0.2 KM · Hibernia Resources III, LLC · Section with this well →
| Yates | 2,158 | 509 |
| Grayburg | 3,477 | -810 |
| San Andres | 3,847 | -1,180 |
| Spraberry | 6,605 | -3,938 |
| Wolfcamp | 8,121 | -5,454 |
| Devonian | — | |
| Strawn | — | |
| Fusselman | — |
9 TOPS · FIRST 8
UL Boss Hogg K42-461-41637
0.2 KM · Hibernia Resources III, LLC · Section with this well →
| Yates | 2,180 | 487 |
| Grayburg | 3,519 | -852 |
| San Andres | 3,934 | -1,267 |
| Spraberry | 6,647 | -3,980 |
| Wolfcamp | 8,159 | -5,492 |
| Strawn | — | |
| Fusselman | — | |
| Devonian | — |
9 TOPS · FIRST 8
UL Boss Hogg L42-461-41638
0.2 KM · Hibernia Resources III, LLC · Section with this well →
| Yates | 2,182 | 485 |
| Grayburg | 3,519 | -852 |
| San Andres | 3,921 | -1,254 |
| Spraberry | 6,647 | -3,980 |
| Wolfcamp | 8,165 | -5,498 |
| Fusselman | — | |
| Devonian | — | |
| Ellenburger | — |
9 TOPS · FIRST 8
UL Boss Hogg M42-461-41640
0.2 KM · Hibernia Resources III, LLC · Section with this well →
| Yates | 2,186 | 481 |
| Grayburg | 3,515 | -848 |
| San Andres | 3,913 | -1,246 |
| Spraberry | 6,651 | -3,984 |
| Wolfcamp | 8,168 | -5,501 |
| Ellenburger | — | |
| Strawn | — | |
| Fusselman | — |
9 TOPS · FIRST 8
UL Boss Hogg N42-461-41641
0.2 KM · Hibernia Resources III, LLC · Section with this well →
| Yates | 2,186 | 481 |
| Grayburg | 3,515 | -848 |
| San Andres | 3,900 | -1,233 |
| Spraberry | 6,651 | -3,984 |
| Wolfcamp | 8,172 | -5,505 |
| Fusselman | — | |
| Strawn | — | |
| Ellenburger | — |
9 TOPS · FIRST 8
UL Boss Hogg C42-461-41331
0.7 KM · Hibernia Resources III, LLC · Section with this well →
| Santa Rosa | 669 | 1,996 |
| Rustler | 1,310 | 1,355 |
| Yates | 2,166 | 499 |
| Queen | 3,012 | -347 |
| Grayburg | 3,485 | -820 |
| San Andres | 3,855 | -1,190 |
| Clear Fork | 5,654 | -2,989 |
| Spraberry | 6,613 | -3,948 |
12 TOPS · FIRST 8
UL Boss Hogg B42-461-41330
0.7 KM · Hibernia Resources III, LLC · Section with this well →
| Santa Rosa | 668 | 1,997 |
| Rustler | 1,308 | 1,357 |
| Yates | 2,160 | 505 |
| Queen | 3,006 | -341 |
| Grayburg | 3,479 | -814 |
| San Andres | 3,849 | -1,184 |
| Clear Fork | 5,648 | -2,983 |
| Spraberry | 6,607 | -3,942 |
10 TOPS · FIRST 8
UL Boss Hogg I42-461-41369
0.7 KM · Hibernia Resources III, LLC · Section with this well →
| Santa Rosa | 668 | 1,997 |
| Rustler | 1,311 | 1,354 |
| Yates | 2,166 | 499 |
| Queen | 3,012 | -347 |
| Grayburg | 3,485 | -820 |
| San Andres | 3,855 | -1,190 |
| Clear Fork | 5,653 | -2,988 |
| Spraberry | 6,613 | -3,948 |
15 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/46131811, documented in the API reference.