WELL · 42-103-37559 · DISTRICT 8
UL Cazador 15/3 B #F101OJ
Crane County · Peart (Barnett) field · Producing · Horizontal
UL Cazador 15/3 B #F101OJ (API 42-103-37559) is a horizontal well in Crane County operated by Mewbourne Oil Company, completed September 20, 2025 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit (amended once), issued December 19, 2024, permitted to 10,098 ft.
Completion filings report 10 formation tops, including Rustler, Yates, Seven Rivers, Queen.
Its lease has reported 112K barrels of oil and 206K mcf of gas since September 2025, last reporting in July 2026.
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 CompanyDec 19, 2024 |
- 10,098
- total depth, ft
- 2
- permits on file
- Dec 19, 2024
- last permit issued
- Sep 20, 2025
- completed
- 112K
- cumulative oil, bbl
- 206K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Sep 2025 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Sep 20, 2025
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active
Surface location
31.509249, -102.357455
OpenStreetMap → · Google Maps →
Permit surface location from the RRC GIS record, in Crane 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; this well is the only one on it.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| UL Cazador 15/3 B O-10-64449 | Peart (Barnett) | Mewbourne Oil Company | 1 | 112K | 206K | Sep 2025 – Jul 2026 |
Oil, barrels lease total
Last 12 months 111,636 · prior 12 0
Gas, mcf lease total
Last 12 months 206,462 · prior 12 0
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Mewbourne Oil CompanySep 2025 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 904767-98 | Drill | Mewbourne Oil Company | Apr 15, 2025 | Dec 19, 2024 | Apr 9, 2025 | 10,098 |
| 904767-99 | Drill | Mewbourne Oil Company | Dec 18, 2024 | Dec 19, 2024 | Apr 9, 2025 | 10,098 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-10-64449 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,620 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Rustler | 1,291 | 1,329 |
| Yates | 2,308 | 312 |
| Seven Rivers | 2,550 | 70 |
| Queen | 3,108 | -488 |
| Clear ForkCLEARFORK | — | — |
| Glorieta | — | — |
| Permian (undifferentiated)PERMIAN GENERAL | — | — |
| Tubb | — | — |
| Wichita-AlbanyWICHITA ALBANY | — | — |
| Wolfcamp | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 10,316 | 21,908 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 963 | 17.5 | 1,000 S |
| 9.625 | 9,055 | 12.25 | 1,025 S |
| 7 | 10,160 | 8.75 | 400 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 | Feb 6, 2026 | Dec 30, 2025 | 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 42-103-37559 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-103-37559 → 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 Cazador 15/3 A42-103-37560
0.0 KM · Mewbourne Oil Company · Section with this well →
| Rustler | 1,289 | 1,331 |
| Yates | 2,313 | 307 |
| Seven Rivers | 2,557 | 63 |
| Queen | 3,116 | -496 |
| Grayburg | 3,306 | -686 |
| Precambrian (Undifferentiated) | — | |
| Waddell | — | |
| Ellenburger | — |
10 TOPS · FIRST 8
UL Fisherman 22303 D 23-2642-103-37591
0.7 KM · BTA Oil Producers, LLC · Section with this well →
| Rustler | 1,373 | 1,258 |
| Yates | 2,413 | 218 |
| Seven Rivers | 2,610 | 21 |
| Grayburg | 3,442 | -811 |
| Glorieta | 5,585 | -2,954 |
| Clear Fork | — | |
| San Angelo | — | |
| San Andres | — |
10 TOPS · FIRST 8
UL Fisherman 22303 C 23-2642-103-37590
0.7 KM · BTA Oil Producers, LLC · Section with this well →
| Rustler | 1,398 | 1,233 |
| Yates | 2,425 | 206 |
| Seven Rivers | 2,616 | 15 |
| San Andres | 3,454 | -823 |
| Glorieta | 5,826 | -3,195 |
| Clear Fork | — | |
| Grayburg | — | |
| Permian (undifferentiated) | — |
10 TOPS · FIRST 8
UL Lonetree 22303 B 23-2642-103-37422
1.7 KM · BTA Oil Producers, LLC · Section with this well →
| Rustler | 1,519 | 1,124 |
| Yates | 2,641 | 2 |
| Seven Rivers | 2,884 | -241 |
| Queen | 3,538 | -895 |
| San Andres | 3,852 | -1,209 |
| Glorieta | 6,143 | -3,500 |
| Clear Fork | — | |
| San Angelo | — |
10 TOPS · FIRST 8
UL Lonetree 22303 a 23-2642-103-37421
1.7 KM · BTA Oil Producers, LLC · Section with this well →
| Rustler | 1,519 | 1,125 |
| Yates | 2,641 | 3 |
| Seven Rivers | 2,884 | -240 |
| Queen | 3,538 | -894 |
| San Andres | 3,852 | -1,208 |
| Grayburg | 3,852 | -1,208 |
| Glorieta | 6,143 | -3,499 |
| San Angelo | — |
10 TOPS · FIRST 8
University A42-103-33399
3.3 KM · Thompson, J. Cleo · Section with this well →
| San Andres | 3,496 | -883 |
| Cisco | 7,958 | -5,345 |
| Pennsylvanian | 8,882 | -6,269 |
| Pen Detrital | 8,882 | -6,269 |
| Devonian | 9,909 | -7,296 |
| Fusselman | 10,923 | -8,310 |
| Ellenburger | 11,952 | -9,339 |
University B42-103-31046
3.4 KM · WJC, Inc. · Section with this well →
| Tubb | 6,213 | -3,562 |
| Wolfcamp | 7,337 | -4,686 |
| Cisco | 7,981 | -5,330 |
| Canyon | 8,131 | -5,480 |
| Strawn | 8,717 | -6,066 |
| Bend | 8,927 | -6,276 |
| Woodford | 9,647 | -6,996 |
| Devonian | 9,945 | -7,294 |
16 TOPS · FIRST 8
UL Anthem May a 13-142-103-36728
3.5 KM · Diamondback E&P LLC · Section with this well →
| Rustler | 1,556 | 1,131 |
| Yates | 2,753 | -66 |
| Seven Rivers | 2,913 | -226 |
| Queen | 3,807 | -1,120 |
| Grayburg | 4,208 | -1,521 |
| San Andres | 4,449 | -1,762 |
| Glorieta | 6,468 | -3,781 |
| Clear Fork | 6,913 | -4,226 |
10 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/10337559, documented in the API reference.