WELL · 42-151-31929 · DISTRICT 7
Diedrich-Wolff #4
Fisher County · Pardue (Ellenburger) field · Vertical
Diedrich-Wolff #4 (API 42-151-31929) is a plugged well in Fisher County, plugged December 3, 2003, last operated by Gruy Petroleum Management CO..
The RRC has issued one drilling permit, issued December 31, 1984, permitted to 6,050 ft.
It was permitted by American Petrofina Of Midland and has since transferred to Gruy Petroleum Management CO. on the wellbore schedule.
Completion filings report one formation top, including Ellenburger.
Its lease has reported 35.5K barrels of oil and 23.3K mcf of gas since January 1993, last reporting in January 2004. The lease carries 6 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by American Petrofina of Midland; the EWA schedule now lists a different operator.
Irving, TX · P-5 Y, filed May 2, 2008 · 678 permits on file
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Gruy Petroleum Management Co. |
| Production reports | Vista Resources, Inc. (A)through Feb 2000 |
| Latest permit | American Petrofina of MidlandDec 31, 1984 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 6,050
- total depth, ft
- 1
- permits on file
- Dec 31, 1984
- last permit issued
- Mar 5, 1985
- completed
- 35.5K
- cumulative oil, bbl
- 23.3K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jan 2004
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Mar 5, 1985
- Shut in
- —
- Plugged
- Dec 3, 2003
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 lease this well is completed on; they carry 6 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Diedrich-Wolff O-8-19124 | Pardue (Ellenburger) | Gruy Petroleum Management Co. | 6 | 35.5K | 23.3K | Jan 1993 – Jan 2004 |
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.
- 1Fina Oil & Chemical CompanyJan 1993 → Oct 1994
- 2E.G. OperatingNov 1994 → Jun 1997
- 3Vista Resources, Inc. (A)Jul 1997 → Feb 2000
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 263464-99 | Drill | American Petrofina of Midland | Dec 31, 1984 | Dec 31, 1984 | Jan 24, 1985 | 6,050 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-8-19124 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 1,817 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Ellenburger | 5,920 | -4,103 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 5,920 | 5,951 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 218 | 12.25 | 115 S |
| 7 | 5,920 | 8.75 | 775 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 1, 1985 | Mar 19, 1985 | — |
| 00 | Mar 30, 1985 | — | — |
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 42-151-31929 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-151-31929 → 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/15131929, documented in the API reference.