WELL · 42-501-37499 · DISTRICT 8

Cassidy 575-544 E #4XH

Y

Yoakum County · Platang (San Andres) field · Producing  · Horizontal

Cassidy 575-544 E #4XH (API 42-501-37499) is a horizontal well in Yoakum County operated by Riley Permian Operating CO LLC, completed February 21, 2024 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit (amended once), issued October 27, 2023, permitted to 9,000 ft.

Completion filings report 10 formation tops, including Santa Rosa, Yates, San Andres, Clear Fork.

Its lease has reported 231K barrels of oil and 424K mcf of gas since February 2024, last reporting in July 2026. The lease carries 3 wells, so these are lease totals, not this well alone.

Operator of record

Riley Permian Operating Co LLC

Oklahoma City, OK · P-5 Y, filed Feb 4, 2026 · 294 permits on file · (713) 412-5490

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleRiley Permian Operating Co LLC
Production reportsRiley Permian Operating Co, LLCthrough Apr 2026
Latest permitRiley Permian Operating Co, LLCOct 27, 2023
9,000
total depth, ft
2
permits on file
Oct 27, 2023
last permit issued
Feb 21, 2024
completed
231K
cumulative oil, bbl
424K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Feb 2024 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Feb 21, 2024
Shut in
—
Plugged
—

Operator's P-5 on the schedule: X

Surface location

33.115038, -102.877461

OpenStreetMap → ·  Google Maps →

Permit surface location from the RRC GIS record, in Yoakum 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 3 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Cassidy 575-544 E O-11-71364Platang (San Andres)Riley Permian Operating Co, LLC3231K424KFeb 2024 – Jul 2026

Oil, barrels lease total

Last 12 months 72,841 · prior 12 136,973(-47%)

010K20K202420252026

Gas, mcf lease total

Last 12 months 188,054 · prior 12 221,673(-15%)

010K20K30K202420252026

Chain of custody

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

  1. 1Riley Permian Operating Co, LLCFeb 2024 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
894789-98DrillRiley Permian Operating Co, LLCOct 27, 2023Oct 27, 2023—9,000
894789-99DrillRiley Permian Operating Co, LLCOct 24, 2023Oct 27, 2023Dec 9, 20239,000

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-11-71364————

Formation tops

As filed on W-2/G-1. Subsea from 3,673 ft elevation.Download CSV →

FormationMD ftSubsea
Santa RosaRED BED-SANTA ROSA2,3111,362
Yates3,140533
San AndresSAN ANDRES - HIGH FLOWS, H2S, CO4,581-908
Clear ForkCLEARFORK - ACTIVE CO2 FLOOD——
Glorieta——
Leonard——
Pennsylvanian——
Strawn——
Wichita-AlbanyWICHITA——
Wolfcamp——

Perforations

Perforated and open-hole intervals.

FromToType
5,85812,243Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.6252,27312.25754 S
712,3258.752,466 S
5.512,3258.752,466 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
00Jun 14, 2024Apr 2, 2024Yes

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). 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 →

Cassidy 575-54442-501-37498

0.0 KM · Riley Permian Operating Co, LLC · Section with this well →

Santa Rosa2,3341,339
Yates3,189484
San Andres4,642-969
Clear Fork—
Wolfcamp—
Wichita-Albany—
Strawn—
Pennsylvanian—

10 TOPS · FIRST 8

Cassidy 575-544 E42-501-37594

0.2 KM · Riley Permian Operating Co, LLC · Section with this well →

Santa Rosa2,2901,391
Yates3,143538
Queen3,944-263
Grayburg4,330-649
San Andres4,655-974
Glorieta—
Wichita-Albany—
Wolfcamp—

10 TOPS · FIRST 8

West San Andres Unit42-501-37431

0.3 KM · Riley Permian Operating Co, LLC · Section with this well →

Santa Rosa2,3341,341
Yates3,139536
San Andres4,598-923
Clear Fork—
Glorieta—
Leonard—
Pennsylvanian—
Strawn—

10 TOPS · FIRST 8

West San Andres Unit42-501-37430

0.4 KM · Riley Permian Operating Co, LLC · Section with this well →

Santa Rosa2,3301,350
Yates3,136544
San Andres4,597-917
Pennsylvanian—
Wichita-Albany—
Wolfcamp—
Strawn—
Glorieta—

10 TOPS · FIRST 8

West San Andres Unit42-501-37391

0.7 KM · Riley Permian Operating Co, LLC · Section with this well →

Santa Rosa2,3421,340
Yates3,147535
San Andres4,597-915
Strawn—
Pennsylvanian—
Leonard—
Glorieta—
Clear Fork—

10 TOPS · FIRST 8

Cassidy 575-544 E42-501-37613

0.8 KM · Riley Permian Operating Co, LLC · Section with this well →

Santa Rosa2,2901,391
Yates3,134547
Queen3,944-263
Grayburg4,329-648
San Andres4,651-970
Leonard—
Clear Fork—
Wichita-Albany—

10 TOPS · FIRST 8

Cassidy 575-54442-501-37420

0.8 KM · Riley Permian Operating Co, LLC · Section with this well →

Santa Rosa2,2761,391
Yates3,104563
San Andres4,499-832
Pennsylvanian—
Strawn—
Wichita-Albany—
Wolfcamp—
Glorieta—

10 TOPS · FIRST 8

Sawyer 57642-501-37044

1.5 KM · Walsh Petroleum, Inc. · Section with this well →

Santa Rosa408
Yates3,117
San Andres4,623
Clear Fork—
Wichita-Albany—
Strawn—
Pennsylvanian—
Leonard—

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/50137499, documented in the API reference.