42-493-31981

Final Completion Horizontal

CASARES A.K.

WILSON County · District 1 · FIRST ROCK INC. · MARCELINA CREEK (BUDA)

Permits

Max Depth

7,000 ft

First Permit

1987-03-17

Latest Activity

1998-12-17

Lifespan

12 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1999-01-26

Shut-In

—

Plugged

2003-05-29

EWA / Permit operator mismatch

Scheduling: FIRST ROCK INC. ≠ Permit: PEDECO, INC.

Resolved via: scheduling → FIRST ROCK INC.

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2003-07

Operator History

Chain of Custody

PEDECO, INC. 1999-2000→ FIRST ROCK, INC. 2001-2001

Lease Production

Production is reported at the lease level. View production data, decline curves, and history on the lease page.

Oil

production & DCA →

Formation Tops (4) Elevation 390 ft

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
AUSTIN CHALK	6,110 ft	-5,720 ft
EAGLEFORD (Eagle Ford)	6,452 ft	-6,062 ft
BUDA	6,530 ft	-6,140 ft
BUDA LIME (Buda)	6,530 ft	-6,140 ft

As reported by operators on W-2/G-1 completion filings (RRC wellbore records). Depths are measured depth; names appear as filed. Subsea = reported elevation − measured depth (negative = below sea level; vertical wellbores only). View filings & logs at RRC ↗

Perforations (3)

Interval	Type
6,460–6,470 ft	Perforated
6,475–6,485 ft	Perforated
6,570–8,493 ft	Perforated

Casing (3)

Size	Set Depth	Cement
8.625"	1,366 ft	105 sx
—	5,841 ft	—
4.5"	6,645 ft	1,082 sx

Permit History (2)

#481589 Recompletion Final Completion

CASARES · 7,000 ft

1998-12-17

Spud 1998-12-20

#327019 Drill Final Completion

CASARES, A. K. · 6,800 ft

1987-03-17

Spud 1987-07-03

Applications (2)

#481589 A PEDECO, INC.

received 1998-12-17

#327019 A DBO OIL INCORPORATED

received 1987-02-24

Records & Logs

4 completion filings on record · 2 with log images at RRC.

W-2/G-1 1999-02-19

W-2/G-1 1987-08-26 log on file

W-2/G-1 1987-09-10

Completion packets + logs ↗ Wellbore filings ↗

Completion packets open directly (post-2011 filings include attached logs). Log images can't be deep-linked — clicking copies the API for you to paste.

No GPS coordinates yet

Coordinates come from the RRC GIS backfill and usually appear within days of permit issuance. Located in WILSON County.

Well Details

Well Number: 1BH
Max Depth: 7,000 ft
Drill Type: Horizontal
County: WILSON
District: 1
Operator: FIRST ROCK INC.
Completed: 1999-01-26

Operator

Name: FIRST ROCK, INC
Location: CORPUS CHRI, ST
P-5 Status: Active (filed 2026-04-06)
Cum Oil (all leases): 1,171,762 bbl
Cum Gas (all leases): 823,441 mcf
Activities: CSGD/P, G/PUR, OPRS/O
Total Permits: 68