WELL · 42-149-31895 · DISTRICT 3
Wunderlich #1
Fayette County · Giddings (Austin Chalk Gas) field · Horizontal
Wunderlich #1 (API 42-149-31895) is a horizontal well in Fayette County operated by Union Pacific Resources Company, completed December 3, 1984.
The RRC has issued 2 drilling permits (amended 3 times) between 1984 and 1995, permitted to 14,200 ft.
Completion filings report 3 formation tops, including Pecan Gap, Austin Chalk, Eagle Ford.
Its 3 leases have reported 60.7K barrels of oil and 1.18M mcf of gas since January 1993, last reporting in July 2026. The leases carry 3 wells, so these are lease totals, not this well alone.
Operator of record
Union Pacific Resources Company
Fort Worth, TX · P-5 Y, filed Feb 9, 2001 · 5,638 permits on file
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 CompanyMar 7, 1995 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 14,200
- total depth, ft
- 5
- permits on file
- Mar 7, 1995
- last permit issued
- Dec 3, 1984
- completed
- 60.7K
- cumulative oil, bbl
- 1.18M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Dec 3, 1984
- 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 3 leases this well is completed on; they carry 3 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Wunderlich Unit O-3-23427 | Giddings (Austin Chalk-3) | Magnolia Oil & Gas Operating LLC | 1 | 60.7K | 1.17M | Apr 1997 – Jul 2026 |
| Wunderlich G-3-145641 | Giddings (Austin Chalk, Gas) | Union Pacific Resources Company | 1 | 0 | 7.61K | May 1993 – Jul 1997 |
| Wunderlich O-3-18148 | Giddings (Austin Chalk-3) | Ginger Petroleum Company, Inc. | 1 | 21 | 611 | Jan 1993 – Aug 1993 |
Gas, mcf lease total
Last 12 months 1,662 · prior 12 8,006(-79%)
Oil, barrels lease total
Last 12 months 36 · prior 12 247(-85%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Ginger Petroleum Company, Inc.Jan 1993 → Mar 1997
- 2Union Pacific Resources CompanyApr 1997 → Jan 2001
- 3Rme Petroleum CompanyFeb 2001 → Nov 2002
- 4Anadarko E&P Company LPDec 2002 → Jul 2007
- 5Enervest Operating, L.L.C.Aug 2007 → Jul 2018
- 6Magnolia Oil & Gas Operating LLCSep 2018 → Jun 2025
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 433250-96 | Recompletion | Union Pacific Resources Company | Nov 14, 1997 | Mar 7, 1995 | Jun 9, 1997 | 11,980 |
| 433250-97 | Recompletion | Union Pacific Resources Company | Apr 8, 1997 | Mar 7, 1995 | — | 11,980 |
| 433250-98 | Recompletion | Ginger Petroleum Company, Inc. | Jan 27, 1997 | Mar 7, 1995 | — | 14,200 |
| 433250-99 | Recompletion | Ginger Petroleum Company, Inc. | Feb 24, 1995 | Mar 7, 1995 | — | 14,200 |
| 251651-99 | Drill | Patterson Petroleum, Inc. | Sep 18, 1984 | Sep 18, 1984 | — | 12,200 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-3-145641 | — | — | — | — |
| — | — O-3-18148 | — | — | — | — |
| — | — O-3-23427 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 476 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Pecan Gap | 10,588 | -10,112 |
| Austin Chalk | 11,228 | -10,752 |
| Austin Chalk | 11,456 | -10,980 |
| Eagle FordEAGLEFORD | 11,902 | -11,426 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 11,456 | 11,459 | Perforated |
| 11,658 | 11,886 | Perforated |
| 11,670 | 13,682 | Perforated |
| 11,788 | 13,108 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 1,040 | 12.25 | 400 S |
| 7 | 11,236 | 8.75 | 395 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 20, 1998 | Mar 19, 1998 | Yes |
| 00 | Mar 31, 1998 | — | — |
| 00 | Jul 28, 1993 | Jun 4, 1993 | — |
| 00 | Jul 2, 1993 | — | — |
| 00 | Jan 7, 1985 | Dec 10, 1984 | — |
| 00 | Dec 20, 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 42-149-31895 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-149-31895 → 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/14931895, documented in the API reference.