42-163-32927

Final Completion Horizontal

KAIN UNIT

FRIO County · District 1 · WILLIAMS CLAYTON ENERGY INC. · PEARSALL (AUSTIN CHALK)

Permits

Max Depth

6,900 ft

First Permit

1990-11-27

Latest Activity

2007-05-11

Lifespan

16 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1991-01-22

Shut-In

—

Plugged

1996-09-18

EWA / Production operator mismatch

Scheduling: WILLIAMS CLAYTON ENERGY INC. ≠ Production: KAIN PETROLEUM, LLC (reported 2026-04)

EWA / Permit operator mismatch

Scheduling: WILLIAMS CLAYTON ENERGY INC. ≠ Permit: FIRST ROCK, INC.

Resolved via: production → KAIN PETROLEUM, LLC

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-07

Operator History

Chain of Custody

WILLIAMS, CLAYTON W., JR., INC. 1993-1993→ WILLIAMS, CLAYTON ENERGY, L.L.C 1993-1993→ WILLIAMS, CLAYTON ENERGY, INC. 1993-1996→ FIRST ROCK, INC. 2006-2011→ KAIN PETROLEUM, LLC 2011-2026

Lease Production

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

Formation Tops (3) Elevation 657 ft (GR)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
ANACACHO	6,080 ft	-5,423 ft
AUSTIN (Austin Chalk)	6,386 ft	-5,729 ft
AUSTIN CHALK	6,386 ft	-5,729 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
6,418–8,292 ft	Perforated
6,418–10,598 ft	Perforated

Casing (2)

Size	Set Depth	Cement
10.75"	673 ft	505 sx
7.625"	6,418 ft	200 sx

Permit History (3)

#638282 Recompletion Final Completion

KAIN · 6,600 ft

2007-05-11

Spud 2007-05-12

#628645 Reenter Final Completion

KAIN · 6,600 ft

2006-11-20

Spud 2006-11-24

#381578 Drill Final Completion

KAIN UNIT · 6,900 ft

1990-11-27

Spud 1990-12-16

Applications (3)

#638282 A FIRST ROCK, INC.

received 2007-05-03

#628645 A FIRST ROCK, INC.

received 2006-11-06

#381578 A WILLIAMS, CLAYTON W., JR., INC.

received 1990-11-27

Records & Logs

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

W-2/G-1 2007-10-12 log on file

W-2/G-1 2007-04-04

W-2/G-1 2007-01-10

W-2/G-1 1991-01-30 log on file

W-2/G-1 1991-05-10

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 FRIO County.

Well Details

Well Number: 3
Max Depth: 6,900 ft
Drill Type: Horizontal
County: FRIO
District: 1
Operator: WILLIAMS CLAYTON ENERGY INC.
Completed: 1991-01-22

Operator

Name: WILLIAMS, CLAYTON ENGY, INC
Location: HOUSTON
P-5 Status: Delinquent (filed 2017-04-11)
Cum Oil (all leases): 59,671,164 bbl
Cum Gas (all leases): 168,498,727 mcf
Total Permits: 1,139