WELL · 42-255-31986 · DISTRICT 2
Ahlstrom Unit A #1
Karnes County · Eagleville (Eagle Ford-2) field · Producing · Horizontal
Ahlstrom Unit A #1 (API 42-255-31986) is a horizontal well in Karnes County operated by Verdun Oil & Gas LLC, completed December 30, 2011 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit (amended once), issued May 30, 2011, permitted to 12,500 ft.
Completion filings report 3 formation tops, including Austin Chalk, Eagle Ford, Pecan Gap.
Its lease has reported 1.17M barrels of oil and 2.97M mcf of gas since December 2011, last reporting in July 2026. The lease carries 4 wells, so these are lease totals, not this well alone.
Operator of record
Houston, TX · P-5 Y, filed Aug 4, 2025 · 396 permits on file · (800) 770-1082
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Verdun Oil & Gas LLC |
| Production reports | Verdun Oil & Gas LLCthrough Apr 2026 |
| Latest permit | Burlington Resources O & G Co LPMay 30, 2011 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 12,500
- total depth, ft
- 2
- permits on file
- May 30, 2011
- last permit issued
- Dec 30, 2011
- completed
- 1.17M
- cumulative oil, bbl
- 2.97M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Dec 2011 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Dec 30, 2011
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active
Surface location
28.801945, -98.058912
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 |
|---|---|---|---|---|---|---|
| Ahlstrom Unit A O-2-9870 | Eagleville (Eagle Ford-2) | Verdun Oil & Gas LLC | 4 | 1.17M | 2.97M | Dec 2011 – Jul 2026 |
Oil, barrels lease total
Last 12 months 60,955 · prior 12 74,215(-18%)
Gas, mcf lease total
Last 12 months 220,391 · prior 12 288,045(-23%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Burlington Resources O & G Co LPJan 2012 → Mar 2018
- 2Verdun Oil & Gas LLCApr 2018 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 717350-98 | Drill | Verdun Oil & Gas LLC | Aug 20, 2021 | May 30, 2011 | Aug 16, 2011 | 12,500 |
| 717350-99 | Drill | Burlington Resources O & G Co LP | May 27, 2011 | May 30, 2011 | Aug 16, 2011 | 12,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-2-9870 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 449 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Austin Chalk | 11,071 | -10,622 |
| Eagle Ford | 11,193 | -10,744 |
| Pecan Gap | 11,904 | -11,455 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 11,463 | 15,300 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 5,851 | 12.25 | 1,990 S |
| 7.625 | 8,921 | 8.75 | 350 S |
| 5.5 | 15,481 | 6.5 | 690 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 | Oct 1, 2021 | Jul 7, 2021 | — |
| 00 | May 1, 2012 | Feb 29, 2012 | — |
| 00 | Mar 30, 2012 | Jan 19, 2012 | 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 42-255-31986 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-255-31986 → 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.
Ahlstrom Unit B42-255-32425
0.2 KM · Verdun Oil & Gas LLC · Section with this well →
| Pecan Gap | 10,893 | -10,444 |
| Austin Chalk | 11,066 | -10,617 |
| Eagle Ford | 11,194 | -10,745 |
Turnbull Unit a-D-R. Grande SA542-255-37795
1.0 KM · Marathon Oil EF LLC · Section with this well →
| Queen City | 3,557 | -3,158 |
| Reklaw | 4,214 | -3,815 |
| Carrizo | 4,447 | -4,048 |
| Wilcox | 5,866 | -5,467 |
| Austin Chalk | 11,106 | -10,707 |
| Eagle Ford | 11,276 | -10,877 |
| Yegua | — | |
| Sligo | — |
10 TOPS · FIRST 8
Turnbull a-D-E-R. Grande SA442-255-37794
1.0 KM · Marathon Oil EF LLC · Section with this well →
| Austin Chalk | 1,111 | -712 |
| Queen City | 3,557 | -3,158 |
| Reklaw | 4,214 | -3,815 |
| Carrizo | 4,447 | -4,048 |
| Wilcox | 5,866 | -5,467 |
| Anacacho | 10,955 | -10,556 |
| Eagle Ford | 11,287 | -10,888 |
| Yegua | — |
11 TOPS · FIRST 8
Turnbull Unit a E-R. Grande SA342-255-37793
1.0 KM · Marathon Oil EF LLC · Section with this well →
| Queen City | 3,557 | -3,158 |
| Reklaw | 4,214 | -3,815 |
| Carrizo | 4,447 | -4,048 |
| Wilcox | 5,866 | -5,467 |
| Anacacho | 10,962 | -10,563 |
| Austin Chalk | 11,111 | -10,712 |
| Eagle Ford | 11,287 | -10,888 |
| Sligo | — |
11 TOPS · FIRST 8
Turnbull Unit a-E SA242-255-37792
1.0 KM · Marathon Oil EF LLC · Section with this well →
| Austin Chalk | 1,113 | -714 |
| Queen City | 3,557 | -3,158 |
| Reklaw | 4,214 | -3,815 |
| Carrizo | 4,447 | -4,048 |
| Wilcox | 5,866 | -5,467 |
| Anacacho | 10,979 | -10,580 |
| Eagle Ford | 11,313 | -10,914 |
| Frio | — |
11 TOPS · FIRST 8
Ahlstrom Unit E42-255-37062
1.2 KM · Verdun Oil & Gas LLC · Section with this well →
| Wilcox | 6,301 | -5,857 |
| Austin Chalk | 11,198 | -10,754 |
| Eagle Ford | 11,364 | -10,920 |
| Frio | — | |
| Edwards | — | |
| Carrizo | — | |
| Reklaw | — | |
| Queen City | — |
10 TOPS · FIRST 8
Ahlstrom Unit F42-255-37061
1.2 KM · Verdun Oil & Gas LLC · Section with this well →
| Wilcox | 6,300 | -5,856 |
| Austin Chalk | 11,210 | -10,766 |
| Eagle Ford | 11,359 | -10,915 |
| Frio | — | |
| Yegua | — | |
| Sligo | — | |
| Reklaw | — | |
| Queen City | — |
10 TOPS · FIRST 8
Ahlstrom-Williams Unit A42-255-37060
1.2 KM · Verdun Oil & Gas LLC · Section with this well →
| Wilcox | 6,294 | -5,850 |
| Austin Chalk | 11,205 | -10,761 |
| Eagle Ford | 11,354 | -10,910 |
| Queen City | — | |
| Yegua | — | |
| Edwards | — | |
| Carrizo | — | |
| Frio | — |
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/25531986, documented in the API reference.