WELL · 42-255-01130 · DISTRICT 2
N. P. U. Union-Porter #1
Karnes County · Tulsita-Wilcox ( Slick) field · Vertical
N. P. U. Union-Porter #1 (API 42-255-01130) is a well in Karnes County operated by Pennzoil Exploration & Prod. CO., completed May 19, 1972.
The RRC has issued one drilling permit, issued September 17, 1996, permitted to 6,850 ft.
Completion filings report 3 formation tops, including Tulsita-Wilcox(6800 Reklaw), Tulsita-Wilcox(Slick), Tulsita-Wilcox(Luling).
No lease production has been reported under this well’s leases.
Operator of record
Pennzoil Exploration & Prod. Co.
Carthage, TX · P-5 Y, filed Mar 22, 2001 · 1,023 permits on file
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Pennzoil Exploration & Prod. Co. |
| Production reports | Trinity River Energy Oper, LLCthrough Mar 2015 |
| Latest permit | Pennzoil Exploration & Prod. Co.Sep 17, 1996 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 6,850
- total depth, ft
- 1
- permits on file
- Sep 17, 1996
- last permit issued
- May 19, 1972
- completed
- 0
- cumulative oil, bbl
- 1.26M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- May 19, 1972
- 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 4 leases this well is completed on; they carry 4 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Npu ( Porter-1) G-2-4536 | Tulsita-Wilcox ( Luling) | Paleo Oil Company LLC | 1 | 0 | 0 | Jan 1993 – Jul 2026 |
| Npu ( Union-Porter -1 ) G-2-160795 | Tulsita-Wilcox ( 6800 Reklaw) | Paleo Oil Company LLC | 1 | 0 | 1.26M | Oct 1996 – Jul 2026 |
| N. P. U. Union-Porter G-2-54149 | Tulsita-Wilcox ( Slick) | Pennzoil Exploration & Prod. Co. | 1 | 0 | 0 | Jan 1993 – Oct 1996 |
| N. P. U. Union-Porter G-2-56734 | Tulsita-Wilcox ( Luling) | Pennzoil Exploration & Prod. Co. | 1 | 0 | 0 | Jan 1993 – Oct 1996 |
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.
- 1Pennzoil Exploration & Prod. Co.Oct 1996 → Feb 1999
- 2Pennzenergy Exp. & Prod., L.L.C.Mar 1999 → Mar 2000
- 3Devon Energy Production Co, L.P.Apr 2000 → Apr 2005
- 4Legend Natural Gas II, LPMay 2005 → Feb 2015
- 5Trinity River Energy Oper, LLCMar 2015 → Mar 2015
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 452339-99 | Recompletion | Pennzoil Exploration & Prod. Co. | Sep 6, 1996 | Sep 17, 1996 | Oct 12, 1996 | 6,850 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-2-4536 | — | — | — | — |
| — | — G-2-54149 | — | — | — | — |
| — | — G-2-56734 | — | — | — | — |
| — | — G-2-160795 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 409 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Tulsita-WILCOX(6800 Reklaw) | 6,810 | -6,401 |
| Tulsita-Wilcox(slick) | 6,980 | -6,571 |
| Tulsita-Wilcox(luling) | 7,075 | -6,666 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 6,810 | 6,830 | Perforated |
| 7,170 | 7,224 | Perforated |
| — | 7,251 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 10.75 | 984 | 15 | 600 S |
| 7 | 7,356 | 9.875 | 400 S |
| 7 | 7,356 | — | — |
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 | Jan 23, 1997 | Sep 3, 1997 | Yes |
| 00 | Dec 11, 1996 | — | — |
| 00 | Jan 12, 1984 | Nov 7, 1973 | — |
| 00 | Jan 12, 1984 | Jun 20, 1972 | — |
| 00 | Jan 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 42-255-01130 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-255-01130 → 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/25501130, documented in the API reference.