WELL · 42-285-31500 · DISTRICT 2
Kupka A. J. et UX #1
Lavaca County · Sweet Home (Sligo) field · Horizontal
Kupka A. J. ET UX #1 (API 42-285-31500) is a plugged horizontal well in Lavaca County, plugged November 16, 1985, last operated by EP Operating Company.
The RRC has issued 2 drilling permits (amended twice) between 1980 and 2000, permitted to 17,500 ft.
It was permitted by Canyon Oil & Gas Exploration LLC and has since transferred to EP Operating Company on the wellbore schedule.
Completion filings report one formation top, including Edwards.
Operator of record
Permitted by Canyon Oil & Gas Exploration LLC; the EWA schedule now lists a different operator.
Dallas, TX · P-5 Y, filed Jan 5, 1993 · 568 permits on file
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | EP Operating Company |
| Production reports | Whiting Oil and Gas Corporationthrough Jan 2011 |
| Latest permit | Canyon Oil & Gas Exploration LLCJun 30, 2000 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 17,500
- total depth, ft
- 4
- permits on file
- Jun 30, 2000
- last permit issued
- May 27, 1981
- completed
- 0
- cumulative oil, bbl
- 221K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Feb 2001 THROUGH May 2012
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- May 27, 1981
- Shut in
- —
- Plugged
- Nov 16, 1985
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 |
|---|---|---|---|---|---|---|
| Kupka, A. J. G-2-185072 | Sweet Home (Edwards) | Whiting Oil and Gas Corporation | 1 | 0 | 221K | Feb 2001 – May 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.
- 1Canyon Oil & Gas Exploration LLCMar 2001 → Jul 2001
- 2Whiting Petroleum CorporationAug 2001 → Nov 2003
- 3Whiting Oil and Gas CorporationDec 2003 → Jan 2011
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 496781-97 | Reenter | Canyon Oil & Gas Exploration LLC | Dec 12, 2000 | Jun 30, 2000 | Dec 15, 2000 | 14,100 |
| 496781-98 | Reenter | Canyon Oil & Gas Exploration LLC | Oct 17, 2000 | Jun 30, 2000 | — | 14,056 |
| 496781-99 | Reenter | Canyon Oil & Gas Exploration LLC | Jun 30, 2000 | Jun 30, 2000 | — | 14,056 |
| 86061-99 | Drill | Enserch Exploration, Inc | Jul 9, 1980 | Jul 9, 1980 | Jul 12, 1980 | 17,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-2-185072 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 306 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Edwards | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 13,654 | 16,488 | Perforated |
| 16,150 | 16,170 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 16 | 85 | 20 | — |
| 16 | 85 | — | — |
| 10.75 | 4,395 | 14.75 | 1,710 S |
| 2.875 | 15,031 | — | — |
| 7 | 15,804 | 9.875 | 925 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 | Aug 1, 2003 | Apr 19, 2001 | Yes |
| 00 | Oct 25, 2001 | — | — |
| 00 | Jan 12, 1984 | Aug 2, 1982 | — |
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 42-285-31500 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-285-31500 → 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/28531500, documented in the API reference.