WELL · 42-021-31584 · DISTRICT 3
Erna Herms #1A
Bastrop County · Giddings (Austin Chalk-3) field · Horizontal
Erna Herms #1A (API 42-021-31584) is a horizontal well in Bastrop County operated by Magnolia Oil & Gas Operating LLC, completed August 21, 2007.
The RRC has issued 2 drilling permits (amended twice) between 2007 and 2008, permitted to 9,500 ft.
It was permitted by Geosouthern Energy Corporation and has since transferred to Magnolia Oil & Gas Operating LLC on the wellbore schedule.
Completion filings report 3 formation tops, including Austin Chalk, Eagle Ford, Buda.
Its lease has reported 142K barrels of oil and 82.5K mcf of gas since August 2007, last reporting in July 2026. The lease carries 2 wells, so these are lease totals, not this well alone.
Operator of record
Magnolia Oil & Gas Operating LLC
Permitted by Geosouthern Energy Corporation; the EWA schedule now lists a different operator.
- Based in
- Houston, TX
- P-5 status
- Active – Extension (X)
- P-5 last filed
- May 6, 2026
- Permits on file
- 615
- Phone
- (713) 842-9050
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Magnolia Oil & Gas Operating LLC |
| Production reports | Geosouthern Energy Corporationthrough Sep 2023 |
| Latest permit | Geosouthern Energy CorporationApr 25, 2008 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 9,500
- total depth, ft
- 4
- permits on file
- Apr 25, 2008
- last permit issued
- Aug 21, 2007
- completed
- 142K
- cumulative oil, bbl
- 82.5K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Aug 2007 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Aug 21, 2007
- Shut in
- —
- Plugged
- —
Surface location
No coordinates on the permit record yet. The RRC's GIS record usually lands within days of issuance; historical master-file permits never carry one.
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 2 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Erna Herms O-3-25036 | Giddings (Austin Chalk-3) | Magnolia Oil & Gas Operating LLC | 2 | 142K | 82.5K | Aug 2007 – Jul 2026 |
Oil, barrels lease total
Last 12 months 0 · prior 12 0
Gas, mcf lease total
Last 12 months 0 · prior 12 0
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Geosouthern Energy CorporationAug 2007 → Aug 2023
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 659361-98 | Recompletion | Geosouthern Energy Corporation | Sep 26, 2008 | Apr 25, 2008 | May 9, 2008 | 9,500 |
| 659361-99 | Recompletion | Geosouthern Energy Corporation | Apr 10, 2008 | Apr 25, 2008 | — | 9,500 |
| 641106-98 | Drill | Geosouthern Energy Corporation | Jul 3, 2007 | Jun 29, 2007 | Jul 2, 2007 | 7,400 |
| 641106-99 | Drill | Geosouthern Energy Corporation | Jun 20, 2007 | Jun 29, 2007 | Jul 1, 2007 | 7,400 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-3-25036 | — | — | — | — |
| — | — O-3-25036 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 546 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Austin Chalk | 6,308 | -5,762 |
| Austin Chalk | 6,363 | -5,817 |
| Eagle Ford | 7,075 | -6,529 |
| Buda | 7,088 | -6,542 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 6,658 | 7,062 | Perforated |
| 7,302 | 9,500 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 1,380 | 11 | 435 S |
| 5.5 | 7,301 | 7.875 | 380 S |
| 5.5 | 7,310 | 7.875 | 380 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 | Aug 7, 2009 | Jul 29, 2008 | — |
| 00 | Feb 10, 2009 | Sep 13, 2007 | Yes |
| 00 | Oct 4, 2007 | Sep 13, 2007 | Yes |
| 00 | Sep 24, 2007 | — | — |
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 42-021-31584 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-021-31584 → 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.
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/02131584, documented in the API reference.