WELL · 42-495-34202 · DISTRICT 8
University B21 8 #W101BO
Winkler County · Phantom (Wolfcamp) field · Producing · Horizontal
University B21 8 #W101BO (API 42-495-34202) is a horizontal well in Winkler County operated by Mewbourne Oil Company, completed March 26, 2019 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit (amended once), issued July 31, 2018, permitted to 12,250 ft.
Completion filings report 10 formation tops, including Rustler, Delaware, Clear Fork, Colby-Queen.
Its lease has reported 1.45M barrels of oil and 1.26M mcf of gas since November 2016, last reporting in July 2026. The lease carries 4 wells, so these are lease totals, not this well alone.
Operator of record
Tyler, TX · P-5 Y, filed May 4, 2026 · 2,059 permits on file · (903) 561-2900
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Mewbourne Oil Company |
| Production reports | Mewbourne Oil Companythrough Apr 2026 |
| Latest permit | Mewbourne Oil CompanyJul 31, 2018 |
- 12,250
- total depth, ft
- 2
- permits on file
- Jul 31, 2018
- last permit issued
- Mar 26, 2019
- completed
- 1.45M
- cumulative oil, bbl
- 1.26M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Nov 2016 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Mar 26, 2019
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active
Surface location
31.755926, -103.253452
OpenStreetMap → · Google Maps →
Permit surface location from the RRC GIS record, in Winkler County.
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 4 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| University B21 8 O-10-48089 | Phantom (Wolfcamp) | Mewbourne Oil Company | 4 | 1.45M | 1.26M | Nov 2016 – Jul 2026 |
Oil, barrels lease total
Last 12 months 81,630 · prior 12 90,804(-10%)
Gas, mcf lease total
Last 12 months 73,069 · prior 12 83,145(-12%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Mewbourne Oil CompanyNov 2016 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 843039-98 | Drill | Mewbourne Oil Company | Oct 10, 2019 | Jul 31, 2018 | Nov 18, 2018 | 12,092 |
| 843039-99 | Drill | Mewbourne Oil Company | Jul 31, 2018 | Jul 31, 2018 | Nov 18, 2018 | 12,250 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-10-48089 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,854 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| RustlerRUSTLER - POSSIBLE FLOW; POSSIBL | 818 | 2,036 |
| Delaware | 5,175 | -2,321 |
| Clear ForkCLEARFORK | — | — |
| Colby-Queen | — | — |
| Glorieta | — | — |
| Holt | — | — |
| QueenQUEEN-SEVEN RIVERS | — | — |
| San AndresSAN ANDRES - HIGH FLOWS, H2S, CO | — | — |
| Wichita-AlbanyWICHITA ALBANY | — | — |
| Yates | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 12,036 | 16,723 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 968 | 17.5 | 850 S |
| 9.625 | 5,037 | 12.25 | 950 S |
| 7 | 12,087 | 8.75 | 750 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 23, 2019 | Jul 1, 2019 | 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 42-495-34202 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-495-34202 → 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 B21 842-495-34204
0.0 KM · Mewbourne Oil Company · Section with this well →
| Rustler | 803 | 2,051 |
| Delaware | 5,148 | -2,294 |
| San Andres | — | |
| Holt | — | |
| Queen | — | |
| Glorieta | — | |
| Yates | — | |
| Wichita-Albany | — |
10 TOPS · FIRST 8
University B21 542-495-33966
0.1 KM · Mewbourne Oil Company · Section with this well →
| Rustler | 850 | 2,006 |
| Delaware | 5,174 | -2,318 |
| Colby-Queen | — | |
| Yates | — | |
| Wichita-Albany | — | |
| San Andres | — | |
| Holt | — | |
| Glorieta | — |
10 TOPS · FIRST 8
University B21 542-495-33990
0.1 KM · Mewbourne Oil Company · Section with this well →
| Delaware | 5,230 | -2,374 |
| Cherry Canyon | 6,270 | -3,414 |
| Brushy Canyon | 7,574 | -4,718 |
| Bone Spring | 9,043 | -6,187 |
| Canyon | — | |
| Wichita-Albany | — | |
| San Andres | — | |
| Holt | — |
10 TOPS · FIRST 8
University B21 842-495-33880
0.6 KM · Mewbourne Oil Company · Section with this well →
| Delaware | 571 | 2,267 |
| Rustler | 860 | 1,978 |
| Clear Fork | — | |
| San Andres | — | |
| Wichita-Albany | — | |
| Yates | — | |
| Queen | — | |
| Glorieta | — |
10 TOPS · FIRST 8
UL Pahaska 21-642-495-34657
1.5 KM · Percussion Petroleum Oper Ii,llc · Section with this well →
| Delaware | 5,196 | -2,361 |
| Rustler | — | |
| Holt | — | |
| San Andres | — | |
| Glorieta | — | |
| Colby / Queen | — | |
| Clear Fork | — | |
| Capitan | — |
10 TOPS · FIRST 8
UL Pahaska 21-642-495-34658
1.5 KM · Percussion Petroleum Oper Ii,llc · Section with this well →
| Delaware | 5,205 | -2,369 |
| Bone Spring | 10,881 | -8,045 |
| Yates | — | |
| Seven Rivers | — | |
| San Andres | — | |
| Rustler | — | |
| Holt | — | |
| Glorieta | — |
10 TOPS · FIRST 8
University 9-2142-495-33872
1.6 KM · Felix Water, LLC · Section with this well →
| Rustler | 893 | 1,948 |
| Delaware | 5,067 | -2,226 |
| Yates | — | |
| Wichita-Albany | — | |
| San Andres | — | |
| Queen | — | |
| Holt | — | |
| Glorieta | — |
10 TOPS · FIRST 8
University 21-6 E42-495-33238
1.8 KM · Percussion Petroleum Oper Ii,llc · Section with this well →
| Bone Spring | 8,965 | -6,133 |
| BSPG1 | 8,967 | -6,135 |
| Bone Spring | 9,998 | -7,166 |
| BSPG2 | 10,000 | -7,168 |
| Bone Spring | 10,808 | -7,976 |
| BSPG3 | 10,811 | -7,979 |
| Phantom (Wolfcamp) | 11,715 | -8,883 |
| Bspg Target | 12,246 | -9,414 |
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/49534202, documented in the API reference.