WELL · 42-409-04350 · DISTRICT 4
Mengers Gus O. #1
San Patricio County · Mathis East (5250) field · Vertical
Mengers Gus O. #1 (API 42-409-04350) is a plugged well in San Patricio County, plugged January 5, 2009, last operated by Chaparral Energy L.L.C..
The RRC has issued one drilling permit, issued April 16, 1984, permitted to 5,710 ft.
It was permitted by L & F Drilling CO. and has since transferred to Chaparral Energy L.L.C. on the wellbore schedule.
Operator of record
Permitted by L & F Drilling Co.; the EWA schedule now lists a different operator.
Oklahoma City, OK · P-5 Y, filed Nov 4, 2025 · 443 permits on file · (866) 478-8770
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Chaparral Energy L.L.C. |
| Production reports | Lakeside Production, Inc.through Jun 1998 |
| Latest permit | L & F Drilling Co.Apr 16, 1984 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 5,710
- total depth, ft
- 1
- permits on file
- Apr 16, 1984
- last permit issued
- Jun 14, 1984
- completed
- 0
- cumulative oil, bbl
- 115K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jan 2009
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Jun 14, 1984
- Shut in
- —
- Plugged
- Jan 5, 2009
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; this well is the only one on it.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Mengers, Gus O. G-4-111440 | Mathis, East (5250) | Chaparral Energy, L.L.C. | 1 | 0 | 115K | Jan 1993 – Jan 2009 |
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.
- 1L & F Drilling Co., Inc. (1)Apr 1993 → Mar 1994
- 2McGuffin, Joe S. Inc.Apr 1994 → Dec 1994
- 3Lakeside ProductionJan 1995 → Feb 1995
- 4Lakeside Production, Inc.Mar 1995 → Jun 1998
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 235632-99 | Recompletion | L & F Drilling Co. | Jun 27, 1984 | Apr 16, 1984 | — | 5,710 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-4-111440 | — | — | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 5,204 | 5,209 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 7.625 | 355 | 10.75 | 114 sx |
| 4.5 | 5,300 | 6.75 | 485 sx |
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 | Jul 25, 1984 | Jun 25, 1984 | — |
| 00 | Jul 20, 1984 | Jun 25, 1984 | — |
| 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 42-409-04350 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-409-04350 → 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/40904350, documented in the API reference.