WELL · 42-255-31252 · DISTRICT 2
Kunkel-Salyer #1
Karnes County · Hobson field · Vertical
Kunkel-Salyer #1 (API 42-255-31252) is a plugged well in Karnes County, plugged April 26, 2016, last operated by Blackbrush O & G LLC.
The RRC has issued one drilling permit, issued August 6, 1990, permitted to 4,200 ft.
It was permitted by Bay Rock Operating Company and has since transferred to Blackbrush O & G LLC on the wellbore schedule.
Completion filings report 3 formation tops, including Atkinson, Carrizo, Weigang.
Its lease has reported 5.63K barrels of oil and 13 mcf of gas since January 1993, last reporting in June 2016.
Operator of record
Permitted by Bay Rock Operating Company; the EWA schedule now lists a different operator.
- Based in
- San Antonio, TX
- P-5 status
- Active (A)
- P-5 last filed
- Sep 16, 2025
- Permits on file
- 339
- Phone
- (210) 495-5577
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Blackbrush O & G LLC |
| Production reports | Blackbrush O & G, Inc.through Aug 2005 |
| Latest permit | Bay Rock Operating CompanyAug 6, 1990 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 4,200
- total depth, ft
- 1
- permits on file
- Aug 6, 1990
- last permit issued
- Oct 1, 1990
- completed
- 5.63K
- cumulative oil, bbl
- 13
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jun 2016
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Oct 1, 1990
- Shut in
- —
- Plugged
- Apr 26, 2016
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 |
|---|---|---|---|---|---|---|
| Kunkel-Salyer O-2-7623 | Hobson | Blackbrush O & G, LLC | 1 | 5.63K | 13 | Jan 1993 – Jun 2016 |
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.
- 1Bay Rock Operating CompanyJan 1993 → Dec 1993
- 2Whitfield, Billy C.Jul 1994 → Dec 2002
- 3Flatrock Production Company, LLCJan 2003 → Nov 2004
- 4Blackbrush O & G, Inc.Apr 2005 → Aug 2005
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 370300-99 | Drill | Bay Rock Operating Company | Feb 26, 1990 | Aug 6, 1990 | Aug 31, 1990 | 4,200 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-2-7623 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 441 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Atkinson | 3,990 | -3,549 |
| Carrizo | 4,019 | -3,578 |
| Weigang | 4,050 | -3,609 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 3,991 | 3,994 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 424 | 12.25 | 180 S |
| 4.5 | 4,104 | 7.875 | 890 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 | Nov 5, 1990 | Oct 15, 1990 | Yes |
| 00 | Oct 22, 1990 | — | — |
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 42-255-31252 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-255-31252 → 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/25531252, documented in the API reference.