WELL · 42-475-30958 · DISTRICT 8
University 21-18 -B- #1H
Ward County · War-Wink S. (Wolfcamp) field · Horizontal
University 21-18 -B- #1H (API 42-475-30958) is a horizontal well in Ward County operated by Quantum Resources Management LLC, completed March 18, 1977.
The RRC has issued one drilling permit (amended once), issued July 27, 2007, permitted to 14,610 ft.
Completion filings report 2 formation tops, including Bone Spring, Wolfcamp.
Its 3 leases have reported 197K barrels of oil and 242K mcf of gas since January 1993, last reporting in July 2026. The leases carry 3 wells, so these are lease totals, not this well alone.
Operator of record
Quantum Resources Management LLC
- Based in
- Houston, TX
- P-5 status
- Inactive (I)
- P-5 last filed
- Jul 7, 2014
- Permits on file
- 322
- Phone
- (713) 634-4696
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Quantum Resources Management LLC |
| Production reports | Breitburn Operating L.P.through Jun 2024 |
| Latest permit | Quantum Resources Management,llcJul 27, 2007 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 14,610
- total depth, ft
- 2
- permits on file
- Jul 27, 2007
- last permit issued
- Mar 18, 1977
- completed
- 197K
- cumulative oil, bbl
- 242K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Mar 18, 1977
- Shut in
- —
- Plugged
- —
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 3 leases this well is completed on; they carry 3 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| University 21-18 B O-10-41429 | Phantom (Wolfcamp) | Breitburn Operating L.P. | 1 | 81.4K | 102K | Mar 2012 – Jul 2026 |
| University 21-18 B O-10-38647 | Quito (Bone Spring) | Quantum Resources Management,llc | 1 | 86.9K | 95.3K | Feb 2008 – Aug 2012 |
| University "21-18" -B- O-10-24540 | War-Wink, S. (Wolfcamp) | Quantum Resources Management,llc | 1 | 28.8K | 44.3K | Jan 1993 – Jul 2009 |
Oil, barrels lease total
Last 12 months 0 · prior 12 803(-100%)
Gas, mcf lease total
Last 12 months 0 · prior 12 0
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1OXY USA Inc.Jan 1993 → Feb 1998
- 2Rhombus Operating Co., LtdMar 1998 → Oct 2002
- 3E.G.L. Resources, Inc.Nov 2002 → Oct 2007
- 4Quantum Resources Management,llcFeb 2008 → Dec 2014
- 5Breitburn Operating L.P.Jan 2015 → Jun 2024
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 642532-98 | Recompletion | Quantum Resources Management,llc | Aug 20, 2007 | Jul 27, 2007 | Nov 5, 2007 | 14,610 |
| 642532-99 | Recompletion | Quantum Resources Management,llc | Jul 13, 2007 | Jul 27, 2007 | Nov 5, 2007 | 14,610 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-10-24540 | — | — | — | — |
| — | — O-10-38647 | — | — | — | — |
| — | — O-10-41429 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,789 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Bone SpringTHIRD BONE SPRING MARKER | 11,106 | -8,317 |
| Bone SpringTHIRD BONE SPRING "A" SAND | 11,265 | -8,476 |
| Bone SpringBASE THIRD BONE SPRING "E" SAND | 11,409 | -8,620 |
| Wolfcamp | 11,462 | -8,673 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 11,340 | 13,422 | Perforated |
| — | 13,077 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 20 | 30 | 23 | 4 S |
| 9.625 | 30 | 23 | 4 S |
| 9.625 | 5,000 | 12.25 | 1,800 S |
| 7 | 5,000 | 12.25 | 1,800 S |
| 7 | 11,250 | 8.75 | 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 9, 2025 | Nov 5, 2025 | — |
| 00 | May 7, 2012 | Feb 19, 2008 | Yes |
| 00 | Aug 7, 2009 | Feb 19, 2008 | Yes |
| 00 | Jun 11, 2008 | — | — |
| 00 | Jan 12, 1984 | Apr 29, 1977 | — |
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 42-475-30958 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-475-30958 → 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/47530958, documented in the API reference.