WELL · 42-287-31320 · DISTRICT 3
Branch-Smith Unit No. 1 #1
Lee County · Giddings (Austin Chalk-3) field · Vertical
Branch-Smith Unit NO. 1 #1 (API 42-287-31320) is a plugged well in Lee County, plugged May 20, 1994, last operated by Senora Resources Inc..
The RRC has issued one drilling permit, issued November 9, 1982, permitted to 10,700 ft.
It was permitted by Superior Oil Company, The and has since transferred to Senora Resources Inc. on the wellbore schedule.
Its 2 leases have reported 292K barrels of oil and 2.84M mcf of gas since January 1993, last reporting in July 2026. The leases carry 10 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Superior Oil Company, The; the EWA schedule now lists a different operator.
Dime Box, TX · P-5 Y, filed Mar 4, 2026 · 15 permits on file · (979) 716-1678
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Senora Resources Inc. |
| Production reports | Senora Resources, Inc.through Dec 2023 |
| Latest permit | Superior Oil Company, TheNov 9, 1982 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 10,700
- total depth, ft
- 1
- permits on file
- Nov 9, 1982
- last permit issued
- Feb 15, 1983
- completed
- 292K
- cumulative oil, bbl
- 2.84M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Feb 15, 1983
- Shut in
- —
- Plugged
- May 20, 1994
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 10 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Branch-Smith Unit No. 1 O-3-15895 | Giddings (Austin Chalk-3) | Senora Resources, Inc. | 8 | 292K | 2.84M | Jan 1993 – Jul 2026 |
| Smith, L.W. O-3-16378 | Giddings (Austin Chalk-3) | Exxon Corp. | 2 | 0 | 0 | Jan 1993 – May 1994 |
Gas, mcf lease total
Last 12 months 0 · prior 12 0
Oil, barrels lease total
Last 12 months 0 · prior 12 0
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Exxon Corp.Jan 1993 → Mar 2000
- 2Exxon Mobil CorporationApr 2000 → Dec 2010
- 3Senora Resources, Inc.Jan 2011 → Dec 2023
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 176845-99 | Drill | Superior Oil Company, The | Nov 9, 1982 | Nov 9, 1982 | — | 10,700 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-3-15895 | — | — | — | — |
| — | — O-3-16378 | — | — | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 9,218 | 9,423 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 10.75 | 3,000 | 14.75 | 2,285 S |
| 2.875 | 8,032 | — | — |
| 5.5 | 9,500 | 7.875 | 1,850 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 | Sep 22, 1993 | Mar 14, 1983 | — |
| 00 | Jan 12, 1984 | Mar 14, 1983 | — |
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 42-287-31320 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-287-31320 → 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/28731320, documented in the API reference.