WELL · 42-023-31171 · DISTRICT 9
Upshur County S L #1115
Baylor County · Baylor County Regular field · Vertical
Upshur County S L #1115 (API 42-023-31171) is a plugged well in Baylor County, plugged November 17, 1986, last operated by Cobra Oil & Gas Corporation.
The RRC has issued one drilling permit, issued March 21, 1985, permitted to 5,500 ft.
Completion filings report 4 formation tops, including Smithwick, Caddo, Barnett, Mississippian.
Operator of record
Wichita Falls, TX · P-5 Y, filed Dec 4, 2025 · 778 permits on file · (940) 720-2597
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Cobra Oil & Gas Corporation |
| Production reports | none |
| Latest permit | Cobra Oil & Gas CorporationMar 21, 1985 |
- 5,500
- total depth, ft
- 1
- permits on file
- Mar 21, 1985
- last permit issued
- May 9, 1985
- completed
- —
- cumulative oil, bbl
- —
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- May 9, 1985
- Shut in
- —
- Plugged
- Nov 17, 1986
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.
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 270147-99 | Drill | Cobra Oil & Gas Corporation | May 20, 1985 | Mar 21, 1985 | Mar 30, 1985 | 5,500 |
Formation tops
As filed on W-2/G-1. Subsea from 1,274 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| SmithwickSMITHWICK SHALE | 4,694 | -3,420 |
| Caddo | 4,722 | -3,448 |
| BarnettBARNETT SHALE | 5,112 | -3,838 |
| MississippianMISSISSIPPI | 5,146 | -3,872 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 5,146 | 5,173 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 311 | 12.25 | 250 S |
| 5.5 | 5,146 | 7.875 | 250 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 28, 1985 | May 15, 1985 | — |
| 00 | Jun 13, 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 42-023-31171 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-023-31171 → 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/02331171, documented in the API reference.