WELL · 42-255-33701 · DISTRICT 2
Armstrong Unit A #4
Karnes County · Eagleville (Eagle Ford-2) field · Producing · Horizontal
Armstrong Unit A #4 (API 42-255-33701) is a horizontal well in Karnes County operated by Burlington Resources O & G CO LP, completed October 5, 2023 and listed as producing on the RRC schedule.
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 schedule | Burlington Resources O & G Co LP |
| Production reports | Burlington Resources O & G Co LPthrough Apr 2026 |
| Latest permit | Burlington Resources O & G Co LPJul 2, 2025 |
- 17,000
- total depth, ft
- 2
- permits on file
- Jul 2, 2025
- last permit issued
- Oct 5, 2023
- 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
- ON SCHEDULE
- Completed
- Oct 5, 2023
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active
Surface location
28.901781, -97.844906
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 →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Armstrong Unit A O-2-9736 | Eagleville (Eagle Ford-2) | Burlington Resources O & G Co LP | 4 | 1.2M | 3.09M | Aug 2011 – Jul 2026 |
Oil, barrels lease total
Last 12 months 41,492 · prior 12 131,867(-69%)
Gas, mcf lease total
Last 12 months 138,919 · prior 12 369,026(-62%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Burlington Resources O & G Co LPAug 2011 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 909005-99 | Recompletion | Burlington Resources O & G Co LP | Jul 1, 2025 | Jul 2, 2025 | — | 12,738 |
| 781203-99 | Drill | Burlington Resources O & G Co LP | Mar 4, 2014 | Apr 4, 2014 | Aug 18, 2014 | 17,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-2-9736 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 329 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| YeguaYEGUA - DISPOSAL | 2,349 | -2,020 |
| Queen City | 4,268 | -3,939 |
| Reklaw | 4,450 | -4,121 |
| Carrizo | 4,957 | -4,628 |
| WilcoxWILCOX - DISPOSAL | 5,533 | -5,204 |
| Austin ChalkAUSTIN CHALK - H2S | 12,263 | -11,934 |
| Eagle FordEAGLE FORD - H2S | 12,446 | -12,117 |
| Eagle FordEAGLE FORD - H2S | 12,539 | -12,210 |
| EdwardsEDWARDS - H2S | — | — |
| FrioFRIO - DISPOSAL | — | — |
| SligoSLIGO - H2S | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 12,552 | 16,912 | Perforated |
| 12,814 | 16,939 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 3,436 | 12.25 | 1,020 S |
| 5.5 | 17,206 | 8.75 | 1,705 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 →
| Suffix | Filed | W-2 / G-1 date | Logs referenced |
|---|---|---|---|
| 00 | Sep 22, 2025 | Sep 11, 2025 | — |
| 00 | Nov 24, 2015 | Oct 1, 2015 | Yes |
| 00 | Oct 8, 2015 | Mar 23, 2015 | — |
| 00 | Sep 29, 2015 | Feb 2, 2015 | Yes |
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.
- Wellbore filings for 42-255-33701 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-255-33701 → scanned completion filings
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.
Armstrong Unit A42-255-33700
0.0 KM · Burlington Resources O & G Co LP · Section with this well →
| Yegua | 2,349 | -2,020 |
| Queen City | 4,266 | -3,937 |
| Reklaw | 4,450 | -4,121 |
| Carrizo | 4,957 | -4,628 |
| Wilcox | 5,518 | -5,189 |
| Austin Chalk | 12,271 | -11,942 |
| Eagle Ford | 12,482 | -12,153 |
| Frio | — |
10 TOPS · FIRST 8
Armstrong Unit B42-255-33574
0.4 KM · Burlington Resources O & G Co LP · Section with this well →
| Eagle Ford | 1,243 | -930 |
| Yegua | 2,400 | -2,087 |
| Queen City | 4,240 | -3,927 |
| Reklaw | 4,500 | -4,187 |
| Carrizo | 5,300 | -4,987 |
| Wilcox | 5,506 | -5,193 |
| Austin Chalk | 12,248 | -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 →
| Yegua | 2,400 | -2,087 |
| Queen City | 4,255 | -3,942 |
| Reklaw | 4,500 | -4,187 |
| Carrizo | 5,300 | -4,987 |
| Wilcox | 5,532 | -5,219 |
| Austin Chalk | 12,254 | -11,941 |
| Eagle Ford | 12,462 | -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 →
| Yegua | 2,400 | -2,087 |
| Queen City | 4,241 | -3,928 |
| Reklaw | 4,500 | -4,187 |
| Carrizo | 5,300 | -4,987 |
| Wilcox | 5,540 | -5,227 |
| Austin Chalk | 12,245 | -11,932 |
| Eagle Ford | 12,455 | -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 →
| Yegua | 1,616 | -1,263 |
| Queen City | 3,872 | -3,519 |
| Reklaw | 4,253 | -3,900 |
| Carrizo | 4,732 | -4,379 |
| Wilcox | 5,267 | -4,914 |
| Austin Chalk | 11,849 | -11,496 |
| Eagle Ford | 12,068 | -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 →
| Yegua | 1,619 | -1,266 |
| Queen City | 3,871 | -3,518 |
| Reklaw | 4,249 | -3,896 |
| Carrizo | 4,728 | -4,375 |
| Wilcox | 5,241 | -4,888 |
| Austin Chalk | 11,843 | -11,490 |
| Eagle Ford | 12,049 | -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 →
| Yegua | 1,612 | -1,259 |
| Queen City | 3,880 | -3,527 |
| Reklaw | 4,239 | -3,886 |
| Carrizo | 4,724 | -4,371 |
| Wilcox | 5,262 | -4,909 |
| Austin Chalk | 11,846 | -11,493 |
| Eagle Ford | 12,058 | -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 →
| Yegua | 1,616 | -1,263 |
| Queen City | 3,869 | -3,516 |
| Reklaw | 4,217 | -3,864 |
| Carrizo | 4,721 | -4,368 |
| Wilcox | 5,264 | -4,911 |
| Austin Chalk | 11,842 | -11,489 |
| Eagle Ford | 12,053 | -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/25533701, documented in the API reference.