WELL · 42-287-31499 · DISTRICT 3
Leona #1
Lee County · Nails Creek (Marlbrook) field · Directional
Leona #1 (API 42-287-31499) is a plugged well in Lee County, plugged May 10, 2010, last operated by U. S. Operating Inc..
The RRC has issued 2 drilling permits between 1984 and 2008, permitted to 10,000 ft.
Completion filings report 4 formation tops, including Marlbrook Sand, Pecan Gap, Austin Chalk, Eagle Ford.
Its 2 leases have reported 16.3K barrels of oil and 79.8K mcf of gas since January 1993, last reporting in June 2010. The leases carry 2 wells, so these are lease totals, not this well alone.
Operator of record
Dallas, TX · P-5 Y, filed Sep 4, 2025 · 495 permits on file · (979) 542-3107
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | U. S. Operating Inc. |
| Production reports | U. S. Operating, Inc.through Apr 2010 |
| Latest permit | U. S. Operating, Inc.Jul 9, 2008 |
- 10,000
- total depth, ft
- 2
- permits on file
- Jul 9, 2008
- last permit issued
- Sep 17, 2008
- completed
- 16.3K
- cumulative oil, bbl
- 79.8K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jun 2010
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Sep 17, 2008
- Shut in
- —
- Plugged
- May 10, 2010
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 2 leases 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 |
|---|---|---|---|---|---|---|
| Leona O-3-25263 | Nails Creek (Marlbrook) | U. S. Operating, Inc. | 1 | 1.23K | 2.25K | Sep 2008 – Jun 2010 |
| Leona O-3-17452 | Giddings (Austin Chalk-3) | U. S. Operating, Inc. | 1 | 15.1K | 77.5K | Jan 1993 – Jan 2009 |
No volumes reported on these leases in the last three years.
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1U. S. Operating, Inc.Jan 1993 → Apr 2010
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 662576-99 | Recompletion | U. S. Operating, Inc. | May 21, 2008 | Jul 9, 2008 | Aug 25, 2008 | 9,512 |
| 230816-99 | Drill | U. S. Operating, Inc. | Sep 28, 1983 | Feb 13, 1984 | — | 10,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-3-17452 | — | — | — | — |
| — | — O-3-25263 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 269 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Marlbrook Sand | 7,228 | -6,959 |
| Pecan Gap | 8,065 | -7,796 |
| Austin Chalk | 8,760 | -8,491 |
| Eagle FordEAGLEFORD | 9,413 | -9,144 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 7,228 | 7,240 | Perforated |
| 9,151 | 9,395 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 2,150 | 12.25 | 725 S |
| 5.5 | 9,512 | 8.5 | 450 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 | Feb 24, 2009 | Sep 29, 2008 | Yes |
| 00 | Jan 30, 2009 | Apr 12, 1984 | — |
| 00 | Apr 30, 1984 | Apr 12, 1984 | — |
| 00 | Apr 15, 1984 | Apr 12, 1984 | — |
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 42-287-31499 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-287-31499 → 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/28731499, documented in the API reference.