42-493-32331

Final Completion Horizontal

THOMS "C"

WILSON County · District 1 · FIRST ROCK, INC.

Permits

Max Depth

9,000 ft

First Permit

1992-03-03

Latest Activity

2002-12-11

Lifespan

11 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

—

Shut-In

—

Plugged

—

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2022-07

Operator History

Chain of Custody

TEXLARK EXPLORATION COMPANY, INC 1993-1994→ PEDECO, INC. 1997-1997→ FIRST ROCK, INC. 2001-2021

Lease Production

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

Formation Tops (7) Elevation 408 ft (GR)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
LIT	6,205 ft	-5,797 ft
ANACACHO	7,070 ft	-6,662 ft
AUSTIN (Austin Chalk)	7,205 ft	-6,797 ft
AUSTIN CHALK	7,205 ft	-6,797 ft
EAGLE FORD	7,490 ft	-7,082 ft
BUDA	7,550 ft	-7,142 ft
DEL RIO	7,680 ft	-7,272 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
7,359–7,489 ft	Perforated
7,632–7,672 ft	Perforated

Casing (4)

Size	Set Depth	Cement
8.625"	830 ft	325 sx
4.5"	1,000 ft	190 sx
4.5"	6,696 ft	910 sx
4.5"	7,697 ft	190 sx

Permit History (4)

#526099 Recompletion Final Completion

THOMS "C" · 7,500 ft

2002-12-11

Spud 2002-09-30

#469827 Recompletion

THOMS · 9,000 ft

1997-11-13

#469827 Recompletion

THOMS · 8,500 ft

1997-11-13

#396680 Drill Final Completion

THOMS · 7,900 ft

1992-03-03

Spud 1992-03-28

Applications (4)

#526099 A FIRST ROCK, INC.

received 2002-12-05

#469827 A PEDECO, INC.

received 1999-03-17

#469827 A PEDECO, INC.

received 1997-11-07

#396680 A TEXLARK EXPLORATION COMPANY, INC

received 1992-02-14

Records & Logs

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

W-2/G-1 2002-11-04 log on file

W-2/G-1 2003-02-05

W-2/G-1 1992-05-13 log on file

W-2/G-1 1992-05-19

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: 4
Max Depth: 9,000 ft
Drill Type: Horizontal
County: WILSON
District: 1
Operator: FIRST ROCK, INC.

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