WELL · 42-383-41966 · DISTRICT 7

UL 10-36 A #3601UB

N

Reagan County · Spraberry (Trend Area) field  · Horizontal

UL 10-36 A #3601UB (API 42-383-41966) is a horizontal well in Reagan County operated by Black Swan Opco LLC, completed October 7, 2025.

The RRC has issued one drilling permit (amended once), issued February 21, 2025, permitted to 9,000 ft.

Completion filings report 8 formation tops, including Queen, Grayburg, San Andres, Clear Fork.

Its 2 leases have reported 521K barrels of oil and 494K mcf of gas since July 2025, last reporting in July 2026. The leases carry 12 wells, so these are lease totals, not this well alone.

Operator of record

Black Swan Opco LLC

Edmond, OK · P-5 Y, filed Nov 4, 2025 · 81 permits on file · (405) 590-5956

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleBlack Swan Opco LLC
Production reportsBlack Swan Opco, LLCthrough Apr 2026
Latest permitBlack Swan Opco, LLCFeb 21, 2025
9,000
total depth, ft
2
permits on file
Feb 21, 2025
last permit issued
Oct 7, 2025
completed
521K
cumulative oil, bbl
494K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jul 2025 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
Oct 7, 2025
Shut in
—
Plugged
—

Surface location

31.227127, -101.556011

OpenStreetMap → ·  Google Maps →

Permit surface location from the RRC GIS record, in Reagan 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 12 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
UL Acfd 4475 O-9-23377Spraberry (Trend Area)Black Swan Opco, LLC11521K494KJul 2025 – Jul 2026
UL 10-36 A O-9-23322Spraberry (Trend Area)Black Swan Opco, LLC100Oct 2025 – May 2026

Oil, barrels lease total

Last 12 months 520,604 · prior 12 0

0100K200K202420252026

Gas, mcf lease total

Last 12 months 493,984 · prior 12 0

050K100K150K202420252026

Chain of custody

Every operator that reported production on this well's lease, in order.

  1. 1Black Swan Opco, LLCSep 2025 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
906023-98DrillBlack Swan Opco, LLCJan 29, 2026Feb 21, 2025Apr 7, 20259,000
906023-99DrillBlack Swan Opco, LLCFeb 18, 2025Feb 21, 2025Apr 7, 20259,000

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-9-23322————
—— O-9-23377————

Formation tops

As filed on W-2/G-1. Subsea from 2,760 ft elevation.Download CSV →

FormationMD ftSubsea
Queen2,68377
Grayburg3,309-549
San AndresSAN ANDRES - SALTWATER FLOW, POS3,612-852
Clear ForkCLEARFORK4,142-1,382
Spraberry6,637-3,877
Ellenburger——
Fusselman——
Strawn——

Perforations

Perforated and open-hole intervals.

FromToType
8,38021,052Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
13.3751,17617.5915 S
9.6257,60512.25610 S
5.521,0808.53,205 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 →

SuffixFiledW-2 / G-1 dateLogs referenced
00Feb 12, 2026Jan 26, 2026—
00Nov 3, 2025Oct 15, 2025Yes

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.

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.

Open the cross-section →

UL Acfd 447542-383-41967

0.0 KM · Black Swan Opco, LLC · Section with this well →

Queen2,646113
Grayburg3,308-549
San Andres3,616-857
Clear Fork4,130-1,371
Spraberry6,644-3,885
Ellenburger—
Strawn—
Fusselman—

UL Acfd 447542-383-41968

0.0 KM · Black Swan Opco, LLC · Section with this well →

Queen2,67188
Grayburg3,340-581
San Andres3,600-841
Clear Fork4,119-1,360
Spraberry6,636-3,877
Strawn—
Fusselman—
Ellenburger—

UL Acfd 447542-383-41969

0.0 KM · Black Swan Opco, LLC · Section with this well →

Queen2,70157
Grayburg3,275-517
San Andres3,518-760
Clear Fork4,112-1,354
Spraberry6,600-3,842
Strawn—
Fusselman—
Ellenburger—

University 1042-383-40465

0.8 KM · Sable Permian Resources Land,llc · Section with this well →

Queen2,816-11
Grayburg3,036-231
San Andres3,236-431
Clear Fork4,288-1,483
Spraberry6,138-3,333
Jo Mill7,025-4,220
Dean7,535-4,730
Wolfcamp7,705-4,900

11 TOPS · FIRST 8

University 1042-383-40464

0.8 KM · Sable Permian Resources Land,llc · Section with this well →

Queen2,818-13
Grayburg3,038-233
San Andres3,342-537
Clear Fork4,296-1,491
Spraberry6,146-3,341
Jo Mill7,031-4,226
Dean7,546-4,741
Wolfcamp7,714-4,909

11 TOPS · FIRST 8

University 1042-383-40455

0.8 KM · Sable Permian Resources Land,llc · Section with this well →

Queen1,7571,049
Grayburg1,977829
San Andres3,378-572
Clear Fork4,294-1,488
Spraberry6,144-3,338
Jo Mill7,024-4,218
Dean7,539-4,733
Wolfcamp7,709-4,903

11 TOPS · FIRST 8

University 1042-383-40457

0.8 KM · Sable Permian Resources Land,llc · Section with this well →

Queen2,819-13
Grayburg3,039-233
San Andres3,335-529
Clear Fork4,290-1,484
Spraberry6,140-3,334
Jo Mill7,029-4,223
Dean7,541-4,735
Wolfcamp7,712-4,906

10 TOPS · FIRST 8

University 1042-383-40458

0.8 KM · Sable Permian Resources Land,llc · Section with this well →

Queen2,825-19
Grayburg3,045-239
San Andres3,245-439
Clear Fork4,296-1,490
Spraberry6,146-3,340
Jo Mill7,033-4,227
Dean7,546-4,740
Wolfcamp7,719-4,913

11 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/38341966, documented in the API reference.