WELL · 42-493-31981 · DISTRICT 1
Casares A.K. #1BH
Wilson County · Marcelina Creek (Buda) field · Horizontal
Casares A.K. #1BH (API 42-493-31981) is a plugged horizontal well in Wilson County, plugged May 29, 2003, last operated by First Rock Inc..
The RRC has issued 2 drilling permits between 1987 and 1998, permitted to 7,000 ft.
It was permitted by Pedeco, Inc. and has since transferred to First Rock Inc. on the wellbore schedule.
Completion filings report 3 formation tops, including Austin Chalk, Eagle Ford, Buda.
Its lease has reported 9.48K barrels of oil and 20 mcf of gas since January 1993, last reporting in July 2003. The lease carries 2 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Pedeco, Inc.; the EWA schedule now lists a different operator.
Corpus Christ, TX · P-5 Y, filed Feb 4, 2026 · 68 permits on file · (361) 215-5559
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | First Rock Inc. |
| Production reports | First Rock, Inc.through Apr 2001 |
| Latest permit | Pedeco, Inc.Dec 17, 1998 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 7,000
- total depth, ft
- 2
- permits on file
- Dec 17, 1998
- last permit issued
- Jan 26, 1999
- completed
- 9.48K
- cumulative oil, bbl
- 20
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2003
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Jan 26, 1999
- Shut in
- —
- Plugged
- May 29, 2003
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 2 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Casares, A.K. O-1-11853 | Marcelina Creek (Buda) | First Rock, Inc. | 2 | 9.48K | 20 | Jan 1993 – Jul 2003 |
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.
- 1Pedeco, Inc.Jan 1999 → Oct 2000
- 2First Rock, Inc.Jan 2001 → Apr 2001
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 481589-99 | Recompletion | Pedeco, Inc. | Dec 17, 1998 | Dec 17, 1998 | Dec 20, 1998 | 7,000 |
| 327019-99 | Drill | Dbo Oil Incorporated | Feb 24, 1987 | Mar 17, 1987 | Jul 3, 1987 | 6,800 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-1-11853 | — | — | — | — |
| — | — O-1-11853 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 390 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Austin Chalk | 6,110 | -5,720 |
| Eagle FordEAGLEFORD | 6,452 | -6,062 |
| Buda | 6,530 | -6,140 |
| BudaBUDA LIME | 6,530 | -6,140 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 6,460 | 6,470 | Perforated |
| 6,475 | 6,485 | Perforated |
| 6,570 | 8,493 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 1,366 | 12.25 | 105 S |
| — | 5,841 | — | — |
| 4.5 | 6,645 | 7.875 | 1,082 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 | Apr 14, 1999 | Feb 19, 1999 | — |
| 00 | Mar 31, 1999 | Aug 26, 1987 | Yes |
| 00 | Oct 1, 1987 | Aug 26, 1987 | Yes |
| 00 | Sep 10, 1987 | — | — |
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 42-493-31981 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-493-31981 → 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/49331981, documented in the API reference.