WELL · 42-013-33071 · DISTRICT 1
Lanford Nathan #4
Atascosa County · Crown E. (Navarro) field · Vertical
Lanford Nathan #4 (API 42-013-33071) is a plugged well in Atascosa County, plugged January 21, 2009, last operated by Mcday Energy Corp..
The RRC has issued one drilling permit, issued December 14, 1984, permitted to 4,100 ft.
It was permitted by Silver Falls Petroleum Corp. and has since transferred to Mcday Energy Corp. on the wellbore schedule.
Its lease has reported 2.23K barrels of oil and 128 mcf of gas since January 1993, last reporting in July 2009. The lease carries 2 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Silver Falls Petroleum Corp.; the EWA schedule now lists a different operator.
Plano, TX · P-5 Y, filed Apr 4, 2026 · 52 permits on file · (214) 202-1064
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | McDay Energy Corp. |
| Production reports | McDay Energy Corp.through Aug 2003 |
| Latest permit | Silver Falls Petroleum Corp.Dec 14, 1984 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 4,100
- total depth, ft
- 1
- permits on file
- Dec 14, 1984
- last permit issued
- Mar 18, 1985
- completed
- 2.23K
- cumulative oil, bbl
- 128
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2009
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Mar 18, 1985
- Shut in
- —
- Plugged
- Jan 21, 2009
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 |
|---|---|---|---|---|---|---|
| Lanford, Nathan O-1-10319 | Crown, E. (Navarro) | McDay Energy Corp. | 2 | 2.23K | 128 | Jan 1993 – Jul 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.
- 1Freeman, J. L., Oper.Jan 1993 → Nov 1994
- 2McDay Energy Corp.Jul 1997 → Aug 2003
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 261257-99 | Drill | Silver Falls Petroleum Corp. | Dec 14, 1984 | Dec 14, 1984 | — | 4,100 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-1-10319 | — | — | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 3,968 | 3,969 | Perforated |
| 3,977 | 3,979 | Perforated |
| 3,986 | 3,992 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 161 | 12.25 | 112 S |
| 4.5 | 4,096 | 7.875 | 686 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 | Apr 19, 1985 | Apr 8, 1985 | — |
| 00 | Apr 18, 1985 | — | — |
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 42-013-33071 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-013-33071 → 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/01333071, documented in the API reference.