WELL · 42-255-33700 · DISTRICT 2

Armstrong Unit A #3

N

Karnes County  · Horizontal

Armstrong Unit A #3 (API 42-255-33700) is a permitted horizontal well in Karnes County filed by Burlington Resources O & G CO LP; no completion report is on file yet.

The RRC has issued 2 drilling permits between 2014 and 2025, permitted to 17,000 ft.

Completion filings report 10 formation tops, including Yegua, Queen City, Reklaw, Carrizo.

Its lease has reported 1.2M barrels of oil and 3.09M mcf of gas since August 2011, last reporting in July 2026. The lease carries 4 wells, so these are lease totals, not this well alone.

Operator of record

Burlington Resources O & G Co LP

Houston, TX · P-5 Y, filed Aug 4, 2025 · 5,130 permits on file · (800) 332-9449

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore schedulenone
Production reportsBurlington Resources O & G Co LPthrough Apr 2026
Latest permitBurlington Resources O & G Co LPJul 2, 2025
17,000
total depth, ft
2
permits on file
Jul 2, 2025
last permit issued
—
completed
1.2M
cumulative oil, bbl
3.09M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Aug 2011 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
—
Shut in
—
Plugged
—

Surface location

28.901819, -97.844950

OpenStreetMap → ·  Google Maps →

Permit surface location from the RRC GIS record, in Karnes 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 4 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Armstrong Unit A O-2-9736Eagleville (Eagle Ford-2)Burlington Resources O & G Co LP41.2M3.09MAug 2011 – Jul 2026

Oil, barrels lease total

Last 12 months 41,492 · prior 12 131,867(-69%)

020K40K60K202420252026

Gas, mcf lease total

Last 12 months 138,919 · prior 12 369,026(-62%)

050K100K150K202420252026

Chain of custody

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

  1. 1Burlington Resources O & G Co LPAug 2011 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
909003-99RecompletionBurlington Resources O & G Co LPJul 1, 2025Jul 2, 2025—12,803
781199-99DrillBurlington Resources O & G Co LPMar 4, 2014Apr 4, 2014Jul 31, 201417,000

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-2-9736————

Formation tops

As filed on W-2/G-1. Subsea from 329 ft elevation.Download CSV →

FormationMD ftSubsea
YeguaYEGUA - DISPOSAL2,349-2,020
Queen City4,266-3,937
Reklaw4,450-4,121
Carrizo4,957-4,628
WilcoxWILCOX - DISPOSAL5,518-5,189
Austin ChalkAUSTIN CHALK - H2S12,271-11,942
Eagle FordEAGLE FORD - H2S12,482-12,153
EdwardsEDWARDS - H2S——
FrioFRIO - DISPOSAL——
SligoSLIGO - H2S——

Perforations

Perforated and open-hole intervals.

FromToType
12,63616,942Perforated
12,98817,036Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.6253,42912.251,030 S
5.517,2098.751,700 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
00Oct 1, 2025Sep 12, 2025—
00Nov 24, 2015Oct 1, 2015Yes
00Oct 15, 2015Mar 23, 2015—
00Sep 29, 2015Feb 2, 2015Yes

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 →

Armstrong Unit A42-255-33701

0.0 KM · Burlington Resources O & G Co LP · Section with this well →

Yegua2,349-2,020
Queen City4,268-3,939
Reklaw4,450-4,121
Carrizo4,957-4,628
Wilcox5,533-5,204
Austin Chalk12,263-11,934
Eagle Ford12,446-12,117
Frio—

10 TOPS · FIRST 8

Armstrong Unit B42-255-33574

0.4 KM · Burlington Resources O & G Co LP · Section with this well →

Eagle Ford1,243-930
Yegua2,400-2,087
Queen City4,240-3,927
Reklaw4,500-4,187
Carrizo5,300-4,987
Wilcox5,506-5,193
Austin Chalk12,248-11,935
Sligo—

10 TOPS · FIRST 8

Armstrong Unit B42-255-33578

0.4 KM · Burlington Resources O & G Co LP · Section with this well →

Yegua2,400-2,087
Queen City4,255-3,942
Reklaw4,500-4,187
Carrizo5,300-4,987
Wilcox5,532-5,219
Austin Chalk12,254-11,941
Eagle Ford12,462-12,149
Frio—

10 TOPS · FIRST 8

Armstrong Unit B42-255-33573

0.4 KM · Burlington Resources O & G Co LP · Section with this well →

Yegua2,400-2,087
Queen City4,241-3,928
Reklaw4,500-4,187
Carrizo5,300-4,987
Wilcox5,540-5,227
Austin Chalk12,245-11,932
Eagle Ford12,455-12,142
Edwards—

10 TOPS · FIRST 8

Kotara Unit A42-255-36819

0.8 KM · Burlington Resources O & G Co LP · Section with this well →

Yegua1,616-1,263
Queen City3,872-3,519
Reklaw4,253-3,900
Carrizo4,732-4,379
Wilcox5,267-4,914
Austin Chalk11,849-11,496
Eagle Ford12,068-11,715
Frio—

10 TOPS · FIRST 8

Kotara Unit A42-255-36818

0.8 KM · Burlington Resources O & G Co LP · Section with this well →

Yegua1,619-1,266
Queen City3,871-3,518
Reklaw4,249-3,896
Carrizo4,728-4,375
Wilcox5,241-4,888
Austin Chalk11,843-11,490
Eagle Ford12,049-11,696
Frio—

10 TOPS · FIRST 8

Kotara Unit A42-255-36817

0.8 KM · Burlington Resources O & G Co LP · Section with this well →

Yegua1,612-1,259
Queen City3,880-3,527
Reklaw4,239-3,886
Carrizo4,724-4,371
Wilcox5,262-4,909
Austin Chalk11,846-11,493
Eagle Ford12,058-11,705
Edwards—

10 TOPS · FIRST 8

Kotara Unit A42-255-34827

0.8 KM · Burlington Resources O & G Co LP · Section with this well →

Yegua1,616-1,263
Queen City3,869-3,516
Reklaw4,217-3,864
Carrizo4,721-4,368
Wilcox5,264-4,911
Austin Chalk11,842-11,489
Eagle Ford12,053-11,700
Edwards—

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/25533700, documented in the API reference.