TEXAS · WELLS · GRIMES COUNTY · ERWIN OL LEASE · API 42-185-30466 · DISTRICT 03
Erwin OL #1H
Grimes County · Giddings (Austin Chalk-3) field · Producing · Horizontal
Erwin OL #1H (API 42-185-30466) is a horizontal well in Grimes County operated by Magnolia Oil & Gas Operating LLC, completed January 21, 1998 and listed as producing on the RRC schedule, shut in March 1, 2024.
The RRC has issued 2 drilling permits between 1994 and 1997, permitted to 15,820 ft.
It was permitted by Chesapeake Operating, Inc. and has since transferred to Magnolia Oil & Gas Operating LLC on the wellbore schedule.
Completion filings report one formation top, including Austin Chalk.
No lease production has been reported under this well’s leases.
Operator of record
Magnolia Oil & Gas Operating LLC
Permitted by Chesapeake Operating, Inc.; 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 | Magnolia Oil & Gas Operating LLCthrough Feb 2024 |
| Latest permit | Chesapeake Operating, Inc.Oct 22, 1997 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 15,820
- total depth, ft
- 2
- permits on file
- Oct 22, 1997
- last permit issued
- Jan 21, 1998
- completed
- 0
- cumulative oil, bbl
- 12.2M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Nov 1994 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Jan 21, 1998
- Shut in
- Mar 1, 2024
- Plugged
- —
Operator's P-5 on the schedule: Active (A)
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; this well is the only one on it.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Erwin OL G-3-152492 | Giddings (Austin Chalk, Gas) | Magnolia Oil & Gas Operating LLC | 1 | 0 | 12.2M | Nov 1994 – Jul 2026 |
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.
- 1Chesapeake Operating, Inc.Nov 1994 → Jun 2009
- 2Enervest Operating, L.L.C.Jul 2009 → Jul 2018
- 3Magnolia Oil & Gas Operating LLCAug 2018 → Feb 2024
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 469079-99 | Recompletion | Chesapeake Operating, Inc. | Oct 22, 1997 | Oct 22, 1997 | Nov 26, 1997 | 16,500 |
| 427903-99 | Drill | Chesapeake Operating, Inc. | Sep 9, 1994 | Sep 9, 1994 | Sep 18, 1994 | 12,950 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Jan 21, 1998 | Erwin OL G-3-152492 | Giddings (Austin Chalk-3) | Magnolia Oil & Gas Operating LLC | Producing · shut in Mar 1, 2024 | 15,820 |
| Jan 21, 1998 | Erwin OL G-3-152492 | Giddings (Austin Chalk-3) | Magnolia Oil & Gas Operating LLC | Producing · shut in Mar 1, 2024 | 15,820 |
Formation tops
As filed on W-2/G-1. Subsea from 284 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Austin Chalk | 12,215 | -11,931 |
| Austin Chalk | 12,220 | -11,936 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 12,240 | 12,785 | Perforated |
| 12,240 | 13,946 | Perforated |
| 12,240 | 15,576 | Perforated |
| 12,240 | 15,820 | Perforated |
| 12,267 | 12,602 | Perforated |
| 12,267 | 12,666 | Perforated |
| 12,267 | 16,096 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 10.75 | 2,700 | 14.75 | 1,243 S |
| 7.625 | 12,240 | 9.875 | 1,156 S |
| 7.625 | 12,267 | 9.875 | 1,156 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 | May 5, 1998 | Mar 13, 1998 | Yes |
| 00 | Mar 2, 1995 | Jan 5, 1995 | Yes |
| 00 | Feb 1, 1995 | — | — |
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 42-185-30466 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-185-30466 → 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/18530466, documented in the API reference.