TEXAS · WELLS · BRAZOS COUNTY · API 42-041-31510 · DISTRICT 03
Salpetro-Penicka Unit #1
Brazos County · Giddings (Buda) field · Horizontal
Salpetro-Penicka Unit #1 (API 42-041-31510) is a plugged horizontal well in Brazos County, plugged February 13, 1997, last operated by Union Pacific Resources Company.
The RRC has issued 2 drilling permits between 1991 and 1994, permitted to 11,200 ft.
Completion filings report 5 formation tops, including Midway, Navarro, Pecan Gap, Austin Chalk.
Its 2 leases have reported 32.3K barrels of oil and 64.6K mcf of gas since January 1993, with no volume in the three years through April 2026. The leases carry 2 wells, so these are lease totals, not this well alone.
Operator of record
Union Pacific Resources Company
- Based in
- Fort Worth, TX
- P-5 status
- Inactive (I)
- P-5 last filed
- May 2, 2000
- Permits on file
- 5,638
- Phone
- (817) 321-7424
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Union Pacific Resources Company |
| Production reports | Union Pacific Resources Companythrough Apr 1996 |
| Latest permit | Union Pacific Resources CompanyMar 25, 1994 |
- 11,200
- total depth, ft
- 2
- permits on file
- Mar 25, 1994
- last permit issued
- May 1, 1994
- completed
- 32.3K
- cumulative oil, bbl
- 64.6K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Apr 1996
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- May 1, 1994
- Shut in
- —
- Plugged
- Feb 13, 1997
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 |
|---|---|---|---|---|---|---|
| Salpetro-Penicka Unit O-3-22421 | Giddings (Buda) | Union Pacific Resources Company | 1 | 24.4K | 37.8K | May 1994 – Apr 1996 |
| Salpetro-Penicka Unit O-3-21175 | Giddings (Austin Chalk-3) | Union Pacific Resources Company | 1 | 7.97K | 26.8K | Jan 1993 – Mar 1994 |
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.
- 1Union Pacific Resources CompanyJan 1993 → Apr 1996
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 422294-99 | Recompletion | Union Pacific Resources Company | Mar 22, 1994 | Mar 25, 1994 | Mar 28, 1994 | 8,600 |
| 389363-99 | Drill | Union Pacific Resources Company | Jun 26, 1991 | Jun 26, 1991 | Jun 20, 1991 | 11,200 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| May 1, 1994 | Salpetro-Penicka Unit O-3-22421 | Giddings (Buda) | Union Pacific Resources Company | Plugged | — |
| Aug 2, 1991 | Salpetro-Penicka Unit O-3-21175 | Giddings (Austin Chalk-3) | Union Pacific Resources Company | Plugged | — |
Formation tops
As filed on W-2/G-1. Subsea from 248 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Midway | 4,133 | -3,885 |
| Navarro | 4,985 | -4,737 |
| Pecan Gap | 6,414 | -6,166 |
| Austin Chalk | 7,614 | -7,366 |
| Buda | 8,489 | -8,241 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 7,680 | 10,401 | Perforated |
| 8,537 | 10,705 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 10.75 | 1,701 | 14.75 | 1,050 S |
| 7.625 | 7,680 | 9.875 | 340 S |
| 7.625 | 7,680 | — | 340 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. The record date is the RRC's own date on the record, not the day the report was filed: 462,034 of the state's filings carry 1984-01-12. About these reports →
| Suffix | RRC record date | W-2 / G-1 date | Logs referenced |
|---|---|---|---|
| 00 | Aug 31, 1994 | Jun 17, 1994 | Yes |
| 00 | Jul 12, 1994 | — | — |
| 00 | Sep 30, 1991 | Aug 13, 1991 | Yes |
| 00 | Sep 26, 1991 | — | — |
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 42-041-31510 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-041-31510 → scanned completion filings
Log images filed since 2004 open from the RRC's log search for this well; none are loaded here for it.
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/04131510, documented in the API reference.