42-013-33843

Final Completion

SCHEARRER

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

Permits

Max Depth

7,800 ft

First Permit

1987-12-23

Latest Activity

1993-12-27

Lifespan

6 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1993-11-20

Shut-In

—

Plugged

1995-11-02

EWA / Production operator mismatch

Scheduling: FIRST ROCK INC. ≠ Production: STONEBURNER EXPLORATION, INC. (reported 1995-09)

EWA / Permit operator mismatch

Scheduling: FIRST ROCK INC. ≠ Permit: STONEBURNER EXPLORATION, INC.

Resolved via: scheduling → FIRST ROCK INC.

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

1996-11

Operator History

originally filed by STONEBURNER EXPLORATION, INC. — asset transferred

Lease Production

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

Formation Tops (4) Elevation 436 ft (GR)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
AUSTIN (Austin Chalk)	6,690 ft	-6,254 ft
EAGLEFORD (Eagle Ford)	6,982 ft	-6,546 ft
BUDA	7,073 ft	-6,637 ft
BUDA	7,090 ft	-6,654 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 (2)

Interval	Type
6,838–7,003 ft	Perforated
7,094–7,138 ft	Perforated

Casing (3)

Size	Set Depth	Cement
8.625"	1,505 ft	634 sx
4.5"	7,155 ft	924 sx
4.5"	7,156 ft	178 sx

Permit History (2)

#419490 Recompletion Final Completion

SCHEARRER · 7,156 ft

1993-12-27

Spud 1993-11-12

#340615 Drill Final Completion

SCHEARRER · 7,800 ft

1987-12-23

Applications (2)

#419490 A STONEBURNER EXPLORATION, INC.

received 1993-12-20

#340615 A RGR PRODUCTION

received 1987-12-23

Records & Logs

5 completion filings on record · 3 with log images at RRC.

W-2/G-1 1993-12-21 log on file

W-2/G-1 1994-01-31

W-2/G-1 1988-02-18 log on file

W-2/G-1 1988-02-24

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 ATASCOSA County.

Well Details

Well Number: 1
Max Depth: 7,800 ft
Drill Type: Vertical
County: ATASCOSA
District: 1
Operator: FIRST ROCK INC.
Completed: 1993-11-20

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