WELL · 42-041-31665 · DISTRICT 3
Bienski-Porterfield Unit #1
Brazos County · Giddings (Austin Chalk-3) field · Horizontal
Bienski-Porterfield Unit #1 (API 42-041-31665) is a horizontal well in Brazos County operated by Union Pacific Resources Company, completed October 26, 1992.
The RRC has issued 2 drilling permits (amended once) between 1992 and 1993, permitted to 12,738 ft.
Completion filings report 5 formation tops, including Midway, Navarro, Pecan Gap, Austin Chalk.
Its 2 leases have reported 112K barrels of oil and 239K mcf of gas since January 1993, last reporting in July 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 | Magnolia Oil & Gas Operating LLCthrough Apr 2026 |
| Latest permit | Union Pacific Resources CompanyJul 20, 1993 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 12,738
- total depth, ft
- 3
- permits on file
- Jul 20, 1993
- last permit issued
- Oct 26, 1992
- completed
- 112K
- cumulative oil, bbl
- 239K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Oct 26, 1992
- Shut in
- —
- Plugged
- —
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 |
|---|---|---|---|---|---|---|
| Bienski-Porterfield Unit O-3-22171 | Kurten (Buda) | Magnolia Oil & Gas Operating LLC | 1 | 106K | 215K | Sep 1993 – Jul 2026 |
| Bienski-Porterfield Unit O-3-21908 | Giddings (Austin Chalk-3) | Union Pacific Resources Company | 1 | 5.58K | 24K | Jan 1993 – Nov 1993 |
Oil, barrels lease total
Last 12 months 663 · prior 12 703(-6%)
Gas, mcf lease total
Last 12 months 1,521 · prior 12 1,752(-13%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Union Pacific Resources CompanyJan 1993 → Jan 2001
- 2Rme Petroleum CompanyFeb 2001 → Nov 2002
- 3Anadarko E&P Company LPDec 2002 → Jul 2007
- 4Enervest Operating, L.L.C.Aug 2007 → Jul 2018
- 5Magnolia Oil & Gas Operating LLCAug 2018 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 414417-98 | Recompletion | Union Pacific Resources Company | Oct 15, 1993 | Jul 20, 1993 | — | 9,136 |
| 414417-99 | Recompletion | Union Pacific Resources Company | Jul 29, 1993 | Jul 20, 1993 | Aug 8, 1993 | 8,900 |
| 402150-99 | Drill | Union Pacific Resources Company | Aug 10, 1992 | Aug 13, 1992 | Aug 31, 1992 | 12,738 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-3-21908 | — | — | — | — |
| — | — O-3-22171 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 278 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Midway | 4,803 | -4,525 |
| Navarro | 5,748 | -5,470 |
| Pecan Gap | 7,278 | -7,000 |
| Austin Chalk | 8,380 | -8,102 |
| Buda | 9,387 | -9,109 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 8,536 | 12,046 | Perforated |
| 9,450 | 11,901 | Perforated |
| 9,450 | 11,901 | Open hole |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 10.75 | 2,130 | 14.75 | 1,203 S |
| 7.625 | 8,536 | 9.875 | 1,226 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 | Mar 11, 1994 | Feb 25, 1994 | — |
| 00 | Nov 1, 1993 | Sep 30, 1993 | Yes |
| 00 | Oct 26, 1993 | — | — |
| 00 | Mar 19, 1993 | Jan 15, 1993 | Yes |
| 00 | Mar 2, 1993 | — | — |
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 42-041-31665 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-041-31665 → 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/04131665, documented in the API reference.