WELL · 42-461-42990 · DISTRICT 7

Drilly Idol A8 #5512BH

Y

Upton County · Spraberry (Trend Area) field · Producing  · Horizontal

Drilly Idol A8 #5512BH (API 42-461-42990) is a horizontal well in Upton County operated by Cog Operating LLC, completed January 20, 2026 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit, issued November 26, 2024, permitted to 12,000 ft.

Completion filings report 9 formation tops, including Yates, Grayburg, San Andres, Spraberry.

Its lease has reported 72.6K barrels of oil and 103K mcf of gas since April 2025, last reporting in July 2026.

Operator of record

COG Operating LLC

Midland, TX · P-5 Y, filed May 4, 2026 · 4,568 permits on file · (432) 853-2355

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleCOG Operating LLC
Production reportsCOG Operating LLCthrough Apr 2026
Latest permitCOG Operating LLCNov 26, 2024
12,000
total depth, ft
1
permits on file
Nov 26, 2024
last permit issued
Jan 20, 2026
completed
72.6K
cumulative oil, bbl
103K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Apr 2025 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Jan 20, 2026
Shut in
—
Plugged
—

Operator's P-5 on the schedule: X

Surface location

31.342319, -101.985758

OpenStreetMap → ·  Google Maps →

Permit surface location from the RRC GIS record, in Upton 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 →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Drilly Idol A8 O-9-23173Spraberry (Trend Area)COG Operating LLC172.6K103KApr 2025 – Jul 2026

Oil, barrels lease total

Last 12 months 72,634 · prior 12 0

010K20K30K202420252026

Gas, mcf lease total

Last 12 months 102,712 · prior 12 0

020K40K60K202420252026

Chain of custody

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

  1. 1COG Operating LLCJan 2026 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
903341-99DrillCOG Operating LLCOct 17, 2024Nov 26, 2024Jan 17, 202512,000

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-9-23173————

Formation tops

As filed on W-2/G-1. Subsea from 2,667 ft elevation.Download CSV →

FormationMD ftSubsea
Yates2,327340
Yates2,332335
Grayburg4,354-1,687
Grayburg4,359-1,692
San AndresSAN ANDRES - SALTWATER FLOW4,467-1,800
San AndresSAN ANDRES - SALTWATER FLOW4,488-1,821
Spraberry7,956-5,289
Spraberry7,962-5,295
Wolfcamp9,194-6,527
Devonian——
Ellenburger——
Fusselman——
Strawn——
Wolfcamp——

Perforations

Perforated and open-hole intervals.

FromToType
9,40719,450Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
13.3751,04917.5875 S
9.6255,04612.251,250 S
9.6258,56712.251,030 S
5.519,5168.53,200 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 25, 2026Feb 4, 2026—
00Aug 12, 2025Aug 4, 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 →

Drilly Idol A742-461-42989

0.0 KM · COG Operating LLC · Section with this well →

Yates2,327340
Grayburg4,356-1,689
San Andres4,473-1,806
Spraberry7,268-4,601
Wolfcamp—
Strawn—
Ellenburger—
Devonian—

9 TOPS · FIRST 8

Drilly Idol A642-461-42978

0.0 KM · COG Operating LLC · Section with this well →

Yates2,326341
Grayburg4,380-1,713
San Andres4,485-1,818
Spraberry7,958-5,291
Wolfcamp8,758-6,091
Ellenburger—
Strawn—
Fusselman—

9 TOPS · FIRST 8

Drilly Idol A542-461-42976

0.0 KM · COG Operating LLC · Section with this well →

Yates2,326341
Grayburg4,377-1,710
San Andres4,485-1,818
Spraberry7,285-4,618
Ellenburger—
Wolfcamp—
Strawn—
Fusselman—

9 TOPS · FIRST 8

Drilly Idol A342-461-42977

0.0 KM · COG Operating LLC · Section with this well →

Yates2,326341
Grayburg4,387-1,720
San Andres4,498-1,831
Spraberry7,282-4,615
Devonian—
Ellenburger—
Fusselman—
Strawn—

9 TOPS · FIRST 8

Drilly Idol A442-461-42975

0.0 KM · COG Operating LLC · Section with this well →

Yates2,326341
Grayburg4,384-1,717
San Andres4,497-1,830
Spraberry7,954-5,287
Wolfcamp9,181-6,514
Ellenburger—
Devonian—
Strawn—

9 TOPS · FIRST 8

Drilly Idol A142-461-42973

0.0 KM · COG Operating LLC · Section with this well →

Yates2,326341
Grayburg4,399-1,732
San Andres4,506-1,839
Spraberry7,961-5,294
Wolfcamp—
Devonian—
Ellenburger—
Fusselman—

9 TOPS · FIRST 8

Drilly Idol A242-461-42974

0.0 KM · COG Operating LLC · Section with this well →

Yates2,326341
Grayburg4,398-1,731
San Andres4,505-1,838
Spraberry7,969-5,302
Wolfcamp8,761-6,094
Ellenburger—
Strawn—
Fusselman—

9 TOPS · FIRST 8

HASEL28 Unit42-461-40368

0.2 KM · COG Operating LLC · Section with this well →

Yates2,300359
Grayburg4,100-1,441
San Andres4,440-1,781
Spraberry7,015-4,356
Wolfcamp8,110-5,451
Strawn—
Fusselman—
Ellenburger—

9 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

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