42-493-30760

Final Completion Horizontal

JARZOMBEK UNIT

WILSON County · District 1 · FIRST ROCK INC. · POTH EAST (AUSTIN CHALK)

Permits

Max Depth

7,580 ft

First Permit

1980-12-03

Latest Activity

2015-04-22

Lifespan

34 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1981-06-17

Shut-In

—

Plugged

2022-04-22

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2023-02

Operator History

Chain of Custody

KIDD PRODUCTION CO. 1993-1996→ OKY INVESTMENTS, INC. 1996-2001→ FIRST ROCK, INC. 2001-2018

Lease Production

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

Formation Tops (9) Elevation 407 ft (KB)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
WILCOX - DISPOSAL (Wilcox)	3,350 ft	-2,943 ft
NAVARRO	5,630 ft	-5,223 ft
OLMOS	6,240 ft	-5,833 ft
ANACACHO - H2S (Anacacho)	7,060 ft	-6,653 ft
AUSTIN CHALK - H2S (Austin Chalk)	7,279 ft	-6,872 ft
BUDA - H2S (Buda)	—	—
EAGLE FORD - H2S (Eagle Ford)	—	—
EDWARDS - H2S, DISPOSAL (Edwards)	—	—
GEORGETOWN - H2S (Georgetown)	—	—

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
7,291–8,583 ft	Open hole
7,325–7,467 ft	Perforated

Casing (3)

Size	Set Depth	Cement
9.625"	511 ft	385 sx
2.875"	7,067 ft	—
5.5"	7,189 ft	255 sx

Permit History (2)

#805628 Recompletion Final Completion

JARZOMBEK UNIT · 7,500 ft

2015-04-22

Spud 1981-03-06

#100821 Drill Final Completion

JARZOMBEK UNIT · 7,580 ft

1980-12-03

Applications (2)

#805628 A FIRST ROCK, INC.

received 2015-04-15

#100821 A NUCORP ENERGY, INC.

received 1980-12-03

Records & Logs

2 completion filings on record.

W-2/G-1 2015-10-07

W-2/G-1 1981-06-30

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: 1H
Max Depth: 7,580 ft
Drill Type: Horizontal
County: WILSON
District: 1
Operator: FIRST ROCK INC.
Completed: 1981-06-17

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