42-365-32838

PRODUCING

WILLIAMS MAYO HEIRS

PANOLA County · District 6 · XTO ENERGY INC. · BECKVILLE (COTTON VALLEY)

Permits

Max Depth

11,000 ft

First Permit

1993-07-30

Latest Activity

2002-09-18

Lifespan

9 yrs

Regulatory Status

Schedule

ON SCHEDULE

Completion

1994-01-08

Shut-In

—

Plugged

—

P-5 Org Status: X

EWA / Permit operator mismatch

Scheduling: XTO ENERGY INC. ≠ Permit: 3TEC ENERGY CORPORATION

Resolved via: production → XTO ENERGY INC.

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-12

Last Production

2026-07

Operator History

Chain of Custody

MUSTANG OPERATING COMPANY 1994-1996→ H & S PRODUCTION, INC. 1997-1998→ CLASSIC OIL & GAS, INC. 1998-2001→ 3TEC ENERGY CORPORATION 2001-2003→ PXP GULF COAST INC. 2003-2004→ PXP TEXAS INC. 2005-2005→ XTO ENERGY INC. 2005-2026

Lease Production

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

Gas

production & DCA →

Formation Tops (7) Elevation 400 ft (GL)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
HILL	3,520 ft	-3,120 ft
MASSIVE ANHYDRITE (Massive Anhydrite (marker))	5,370 ft	-4,970 ft
MASSIVE ANYDRITE	5,370 ft	-4,970 ft
UPPER PETTIT (Pettit)	6,350 ft	-5,950 ft
TRAVIS PEAK	6,695 ft	-6,295 ft
COTTON VALLEY	8,520 ft	-8,120 ft
TAYLOR	9,895 ft	-9,495 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
8,977–9,334 ft	Perforated
9,968–9,980 ft	Perforated

Casing (2)

Size	Set Depth	Cement
8.625"	1,539 ft	506 sx
5.5"	10,009 ft	1,239 sx

Permit History (2)

#523713 Field Transfer Final Completion

MAYO WILLIAMS HEIRS · 11,000 ft

2002-09-18

Spud 1993-09-08

#414457 Drill Final Completion

WILLIAMS, MAYO HEIRS · 11,000 ft

1993-07-30

Spud 1993-09-08

Applications (2)

#523713 A 3TEC ENERGY CORPORATION

received 2002-09-16

#414457 A MUSTANG OPERATING COMPANY

received 1993-07-30

Records & Logs

4 completion filings on record · 1 with log images at RRC.

W-2/G-1 2002-10-21

W-2/G-1 1994-04-19

W-2/G-1 1994-01-14 log on file

W-2/G-1 1994-03-01

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 PANOLA County.

Well Details

Well Number: 1
Max Depth: 11,000 ft
Drill Type: Vertical
County: PANOLA
District: 6
Operator: XTO ENERGY INC.
Completed: 1994-01-08

Operator

Name: XTO ENGY INC
Location: SPRING
P-5 Status: X (filed 2026-04-08)
Cum Oil (all leases): 772,419,164 bbl
Cum Gas (all leases): 11,039,899,986 mcf
Activities: CSGD/G, CSGD/P, G/PUR, GTHS/G, GTHS/O, OPRS/G, OPRS/O
Total Permits: 16,138