WELL · 42-493-31585 · DISTRICT 1
Kaf Unit #1
Wilson County · Kathleen Ann (Reef) field · Vertical
Kaf Unit #1 (API 42-493-31585) is a plugged well in Wilson County, plugged February 19, 2026, last operated by Cibolo Energy Operating Inc..
The RRC has issued one drilling permit, issued June 20, 1984, permitted to 6,300 ft.
It was permitted by Williams, Clayton W., JR. and has since transferred to Cibolo Energy Operating Inc. on the wellbore schedule.
Completion filings report 4 formation tops, including Austin Chalk, Eagle Ford, Buda, Georgetown.
Its 2 leases have reported 81K barrels of oil and 22 mcf of gas since January 1993, last reporting in July 2026. The leases carry 9 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Williams, Clayton W., Jr.; the EWA schedule now lists a different operator.
- Based in
- Bulverde, TX
- P-5 status
- Delinquent (D)
- P-5 last filed
- May 25, 2023
- Permits on file
- 30
- Phone
- (210) 860-7445
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Cibolo Energy Operating Inc. |
| Production reports | Cibolo Energy Operating, Inc.through Aug 2017 |
| Latest permit | Williams, Clayton W., Jr.Jun 20, 1984 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 6,300
- total depth, ft
- 1
- permits on file
- Jun 20, 1984
- last permit issued
- Jul 14, 1984
- completed
- 81K
- cumulative oil, bbl
- 22
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Jul 14, 1984
- Shut in
- —
- Plugged
- Feb 19, 2026
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 2 leases this well is completed on; they carry 9 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Kaf Unit O-1-13923 | Kathleen Ann (Reef) | Cibolo Energy Operating, Inc. | 8 | 77.7K | 2 | Sep 1994 – Jul 2026 |
| Thaddeus-Kopecki Unit O-1-11552 | Kathleen Ann (Reef) | Cannan, Morris | 1 | 3.36K | 20 | Jan 1993 – Dec 1994 |
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.
- 1Cannan, MorrisJan 1993 → May 1997
- 2Cibolo Energy Operating, Inc.Jun 1997 → Aug 2017
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 242652-99 | Drill | Williams, Clayton W., Jr. | Jun 20, 1984 | Jun 20, 1984 | Jun 22, 1984 | 6,300 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-1-11552 | — | — | — | — |
| — | — O-1-13923 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 403 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Austin Chalk | 5,900 | -5,497 |
| Austin ChalkAUSTIN CHALK REEF | 6,000 | -5,597 |
| Eagle FordEAGLEFORD | 6,120 | -5,717 |
| Buda | 6,170 | -5,767 |
| Georgetown | 6,300 | -5,897 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 6,001 | 6,016 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 840 | 12.25 | 425 sx |
| 5.5 | 6,335 | 7.875 | 1,480 sx |
| 5.5 | 6,535 | 7.875 | 1,480 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 | Dec 9, 1994 | Jun 30, 1986 | Yes |
| 00 | Jul 14, 1986 | Jun 30, 1986 | Yes |
| 00 | Jul 8, 1986 | — | — |
| 00 | Aug 20, 1984 | Aug 3, 1984 | — |
| 00 | Aug 17, 1984 | Aug 3, 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 42-493-31585 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-493-31585 → 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/49331585, documented in the API reference.