WELL · 42-235-36531 · DISTRICT 7

Barnhart 77N79 A #2BU

Y

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

Barnhart 77n79 A #2BU (API 42-235-36531) is a horizontal well in Irion County operated by Permian Resources Operating LLC, completed August 6, 2023 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit, issued May 26, 2022, permitted to 7,340 ft.

It was permitted by Earthstone Operating, LLC and has since transferred to Permian Resources Operating LLC on the wellbore schedule.

Completion filings report 7 formation tops, including Grayburg, San Andres, Clear Fork, Spraberry.

Its lease has reported 126K barrels of oil and 1.27M mcf of gas since January 2023, last reporting in July 2026.

Operator of record

Permian Resources Operating LLC

Permitted by Earthstone Operating, LLC; the EWA schedule now lists a different operator.

Midland, TX · P-5 Y, filed Oct 4, 2025 · 608 permits on file · (432) 699-9345

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore schedulePermian Resources Operating LLC
Production reportsPermian Resources Operating, LLCthrough Apr 2026
Latest permitEarthstone Operating, LLCMay 26, 2022

The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.

7,340
total depth, ft
1
permits on file
May 26, 2022
last permit issued
Aug 6, 2023
completed
126K
cumulative oil, bbl
1.27M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 2023 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Aug 6, 2023
Shut in
—
Plugged
—

Operator's P-5 on the schedule: Active

Surface location

31.251590, -101.148094

OpenStreetMap → ·  Google Maps →

Permit surface location from the RRC GIS record, in Irion 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
Barnhart 77N79 A O-9-21944Spraberry (Trend Area)Permian Resources Operating, LLC1126K1.27MJan 2023 – Jul 2026

Gas, mcf lease total

Last 12 months 542,435 · prior 12 370,737(+46%)

020K40K60K202420252026

Oil, barrels lease total

Last 12 months 16,963 · prior 12 32,439(-48%)

010K20K202420252026

Chain of custody

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

  1. 1Earthstone Operating, LLCAug 2023 → Oct 2023
  2. 2Permian Resources Operating, LLCNov 2023 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
880449-99DrillEarthstone Operating, LLCMay 23, 2022May 26, 2022Sep 25, 20227,340

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-9-21944————

Formation tops

As filed on W-2/G-1. Subsea from 2,723 ft elevation.Download CSV →

FormationMD ftSubsea
Grayburg1,869854
San Andres2,155568
Clear ForkCLEARFORK3,473-750
Spraberry4,944-2,221
Wolfcamp6,482-3,759
Canyon——
Fusselman——

Perforations

Perforated and open-hole intervals.

FromToType
7,17219,192Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
13.37575217.5660 S
9.6256,28212.251,035 S
5.519,3748.52,930 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
00Sep 19, 2023Sep 6, 2023Yes
00Mar 6, 2023Feb 15, 2023Yes

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 →

Barnhart 77S75 A42-235-36528

0.0 KM · Earthstone Operating, LLC · Section with this well →

Grayburg1,872851
San Andres2,191532
Clear Fork3,466-743
Spraberry4,976-2,253
Wolfcamp6,490-3,767
Canyon—
Fusselman—

Barnhart 77S75 B42-235-36529

0.0 KM · Earthstone Operating, LLC · Section with this well →

Grayburg1,869854
San Andres2,183540
Clear Fork3,453-730
Spraberry4,950-2,227
Wolfcamp6,491-3,768
Canyon—
Fusselman—

Barnhart 77N79 B42-235-36532

0.0 KM · Earthstone Operating, LLC · Section with this well →

Grayburg1,869854
San Andres2,155568
Clear Fork3,473-750
Spraberry4,944-2,221
Wolfcamp6,482-3,759
Fusselman—
Canyon—

Barnhart 77S75 C42-235-36530

0.0 KM · Earthstone Operating, LLC · Section with this well →

Grayburg1,869854
San Andres2,183540
Clear Fork3,453-730
Spraberry4,950-2,227
Wolfcamp6,491-3,768
Fusselman—
Canyon—

Barnhart 76N7842-235-36155

1.7 KM · Tracker Resource Dev III, LLC · Section with this well →

Grayburg1,677878
San Andres2,049506
Clear Fork2,449106
Spraberry4,521-1,966
Wolfcamp6,338-3,783
Fusselman—
Canyon—

Barnhart 76N7842-235-36158

1.7 KM · Tracker Resource Dev III, LLC · Section with this well →

Grayburg1,675880
San Andres2,053502
Clear Fork2,451104
Spraberry4,501-1,946
Wolfcamp6,315-3,760
Fusselman—
Canyon—

Barnhart 76N7842-235-36156

1.7 KM · Tracker Resource Dev III, LLC · Section with this well →

Grayburg1,675880
San Andres2,053502
Clear Fork2,451104
Spraberry4,501-1,946
Wolfcamp6,313-3,758
Fusselman—
Canyon—

Barnhart 76N7842-235-36157

1.7 KM · Tracker Resource Dev III, LLC · Section with this well →

Grayburg1,681874
San Andres2,052503
Clear Fork2,448107
Spraberry4,504-1,949
Wolfcamp6,310-3,755
Canyon7,879-5,324
Fusselman—

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/23536531, documented in the API reference.