WELL · 42-237-37805 · DISTRICT 9
Mathis J.C. #1
Jack County · Vertical
Mathis J.C. #1 (API 42-237-37805) is a plugged well in Jack County, plugged January 21, 1991, last operated by Alamosa Operating Company.
The RRC has issued 2 drilling permits between 1990 and 1991, permitted to 5,700 ft.
Completion filings report 3 formation tops, including Bryson, Caddo, Atoka.
Operator of record
Fort Worth, TX · P-5 Y, filed Aug 4, 2025 · 17 permits on file
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | none |
| Production reports | Swan Production Co.through May 2006 |
| Latest permit | Alamosa Operating CompanyAug 29, 1991 |
- 5,700
- total depth, ft
- 2
- permits on file
- Aug 29, 1991
- last permit issued
- —
- completed
- 0
- cumulative oil, bbl
- 103K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jun 2012
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- —
- Shut in
- —
- Plugged
- Jan 21, 1991
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 |
|---|---|---|---|---|---|---|
| Mathis, J. C. G-13-140361 | Kramberger (Atoka Congl.) | Swan PC, LP | 1 | 0 | 103K | Jan 1993 – Jun 2012 |
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.
- 1Peterson, Don CompanyJan 1993 → Nov 1993
- 2Swan Production Co.Dec 1993 → May 2006
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 391248-99 | Drill | Alamosa Operating Company | Aug 26, 1991 | Aug 29, 1991 | Nov 5, 1991 | 5,500 |
| 382263-99 | Drill | Ultra Oil & Gas, Inc. | Dec 12, 1990 | Dec 12, 1990 | Dec 16, 1990 | 5,700 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-13-140361 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 956 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 5,350 | 5,360 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 226 | 12.75 | 155 S |
| 4.5 | 5,496 | 7.875 | 122 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 | Jun 26, 1992 | Dec 16, 1991 | — |
| 00 | Jan 31, 1992 | — | — |
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 42-237-37805 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-237-37805 → 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/23737805, documented in the API reference.