WELL · 42-237-04056 · DISTRICT 9
Rusmag Caddo Conglomerate Unit #4
Jack County · Rusmag field · Vertical
Rusmag Caddo Conglomerate Unit #4 (API 42-237-04056) is a permitted well in Jack County filed by Maguire Oil Company; no completion report is on file yet.
The RRC has issued one drilling permit, issued May 10, 1989, permitted to 5,530 ft.
It was permitted by Maguire Oil Company and has since transferred to Century Petroleum Inc. on the wellbore schedule.
Completion filings report 6 formation tops, including Ken Sand, Smith Sand, Gc Sand, Melinda Sand.
Operator of record
Permitted by Maguire Oil Company; the EWA schedule now lists a different operator.
- Based in
- Jacksboro, TX
- P-5 status
- Active (A)
- P-5 last filed
- Apr 10, 2026
- Permits on file
- 44
- Phone
- (940) 374-3375
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Century Petroleum Inc. |
| Production reports | Century Petroleum, Inc.through Feb 2013 |
| Latest permit | Maguire Oil CompanyMay 10, 1989 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 5,530
- total depth, ft
- 1
- permits on file
- May 10, 1989
- last permit issued
- —
- completed
- 0
- cumulative oil, bbl
- 118K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- —
- 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 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 |
|---|---|---|---|---|---|---|
| Ellis G-13-131168 | Rusmag (CMM Sand) | Century Petroleum, Inc. | 1 | 0 | 118K | Jan 1993 – Jul 2026 |
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.
- 1Maguire Oil CompanyJan 1993 → Jun 2000
- 2Century Petroleum, Inc.Jun 2010 → Feb 2013
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 359026-99 | Recompletion | Maguire Oil Company | May 8, 1989 | May 10, 1989 | — | 5,530 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-13-131168 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 966 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Ken Sand | 4,756 | -3,790 |
| Smith Sand | 4,846 | -3,880 |
| GC Sand | 5,060 | -4,094 |
| Melinda Sand | 5,278 | -4,312 |
| CMM Sand | 5,320 | -4,354 |
| Top of CMM Sand | 5,337 | -4,371 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 5,320 | 5,336 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 10.75 | 105 | 13.75 | 65 S |
| 5.5 | 4,490 | 8.75 | 100 S |
| 4.5 | 5,371 | 6.125 | 115 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 | Oct 10, 1989 | Jun 15, 1989 | Yes |
| 00 | Jul 21, 1989 | — | — |
| 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 42-237-04056 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-237-04056 → 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/23704056, documented in the API reference.