WELL · 42-097-80073 · DISTRICT 9
Chaffin #4A
Cooke County · Cooke County Regular field · Vertical
Chaffin #4A (API 42-097-80073) is a plugged well in Cooke County, plugged May 20, 1980, last operated by Ski Production LLC.
The RRC has issued one drilling permit, issued October 14, 1991, permitted to 885 ft.
It was permitted by Bayer, J. H. and has since transferred to Ski Production LLC on the wellbore schedule.
Completion filings report 3 formation tops, including Brk Lime, Blk Shale Lime, Shale.
Its lease has reported 87.2K barrels of oil and 20 mcf of gas since January 1993, last reporting in July 2026. The lease carries 22 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Bayer, J. H.; the EWA schedule now lists a different operator.
Muenster, TX · P-5 Y, filed Sep 4, 2025 · (940) 736-8579
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Ski Production LLC |
| Production reports | Ski Production, LLCthrough Apr 2026 |
| Latest permit | Bayer, J. H.Oct 14, 1991 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 885
- total depth, ft
- 1
- permits on file
- Oct 14, 1991
- last permit issued
- —
- completed
- 87.2K
- cumulative oil, bbl
- 20
- 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
- May 20, 1980
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 22 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Chaffin O-13-1960 | Cooke County Regular | Ski Production, LLC | 22 | 87.2K | 20 | Jan 1993 – Jul 2026 |
Oil, barrels lease total
Last 12 months 1,827 · prior 12 2,664(-31%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Bayer, J.H. & Sons IncJan 1993 → Jun 2005
- 2Miller, Glenn J.Jul 2005 → Mar 2024
- 3Ski Production, LLCApr 2024 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 391673-99 | Reenter | Bayer, J. H. | Sep 6, 1991 | Oct 14, 1991 | Nov 7, 1991 | 885 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-13-1960 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 954 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| BRK Lime | 800 | 154 |
| BLK Shale Lime | 825 | 129 |
| Shale | 900 | 54 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 850 | 863 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 7 | 904 | 9 | — |
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 | Mar 15, 1994 | Feb 2, 1994 | — |
| 00 | Feb 9, 1994 | — | — |
| 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 42-097-80073 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-097-80073 → 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/09780073, documented in the API reference.