42-339-30897

Directional

DEAN, W. A. 'A'

MONTGOMERY County · District 3 · SYDRI OPERATING, LLC

Permits

Max Depth

12,500 ft

First Permit

1994-09-08

Latest Activity

2019-10-23

Lifespan

25 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

—

Shut-In

—

Plugged

—

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1995-12

Last Production

2026-07

Operator History

Chain of Custody

MITCHELL ENERGY CORPORATION 1995-2000→ MITCHELL ENERGY COMPANY L.P. 2001-2002→ DEVON ENERGY OPERATING CO., L.P. 2002-2004→ DEVON ENERGY PRODUCTION CO, L.P. 2004-2014→ LINN OPERATING, INC. 2014-2017→ LINN OPERATING, LLC 2017-2017→ SYDRI OPERATING, LLC 2017-2019

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 (4) Elevation 205 ft (GR)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
DEAN	10,835 ft	-10,630 ft
DEAN SAND (Dean)	10,835 ft	-10,630 ft
WILCOX G (Wilcox)	11,550 ft	-11,345 ft
WILCOX G SAND (Wilcox)	11,550 ft	-11,345 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 ↗

Offset Well Tops (nearest 8 wells with tops)

What nearby completed wells reported.

Cross-section

✓ 42-339-30809 PINEHURST GAS UNIT · SYDRI OPERATING, LLC

0.0 mi

Yegua 5,415'Yegua 6,730'Wilcox 8,590'TOP WICOX 8,590'Wilcox 8,590'Wilcox 9,575'Wilcox 9,575'Wilcox 10,850'Wilcox 10,850'Wilcox 11,080'Wilcox 11,080'

✓ 42-339-30899 PINEHURST GAS UNIT · SYDRI OPERATING, LLC

0.4 mi

Wilcox 9,732'Dean 10,914'Wilcox 11,104'Wilcox 11,145'

✓ 42-339-30888 PINEHURST GAS UNIT · SYDRI OPERATING, LLC

0.6 mi

Wilcox 8,549'Wilcox 8,550'CHASE 8,740'Wilcox 9,260'Wilcox 9,700'Wilcox 9,990'Wilcox 10,280'Wilcox 11,068'Wilcox 11,070'Wilcox 11,350'Wilcox 11,540'Wilcox 11,910'

✓ 42-339-30910 HAGAN · SYDRI OPERATING, LLC

0.9 mi

Dean 11,050'WINSLOW 11,150'Wilcox 11,290'Wilcox 11,290'Wilcox 11,594'Wilcox 11,594'

✓ 42-339-30824 (M/SW) WILDWOOD ESTATES · SYDRI OPERATING, LLC

1.0 mi

Yegua 4,982'Wilcox 8,382'Wilcox 10,406'11,300 SAND 11,049'Wilcox 11,272'Wilcox 11,592'

✓ 42-339-30866 DOGGETT, WENDELL J. · MITCHELL ENERGY CORPORATION

1.7 mi

Dean 10,870'WINSLOW 10,980'POSEY 11,130'WILDWOOD SD 11,270'Wilcox 11,270'Wilcox 11,373'Wilcox 11,566'

✓ 42-339-30878 DOGGETT, WENDELL J. · SYDRI OPERATING, LLC

2.3 mi

Wilcox 8,618'Wilcox 8,620'CHASE 8,740'Wilcox 9,340'Wilcox 9,790'Wilcox 10,050'Wilcox 10,350'Wilcox 10,915'Wilcox 11,415'Wilcox 11,630'Wilcox 11,945'

✓ 42-339-30894 WINSLOW GAS UNIT 'C' · SYDRI OPERATING, LLC

2.8 mi

CHASE 8,600'Wilcox 9,379'Wilcox 11,380'Wilcox 11,560'

Nearest wells within 10 mi (surface locations). Click wells to select them, then open the cross-section to compare tops side by side (max 6 wells per section, including this one).

Perforations (1)

Interval	Type
11,114–12,068 ft	Perforated

Casing (2)

Size	Set Depth	Cement
9.625"	2,410 ft	970 sx
5.5"	12,349 ft	1,770 sx

Permit History (2)

#858118 Recompletion

DEAN, W. A. 'A' · 12,058 ft

2019-10-23

#427746 Drill Final Completion

DEAN, W. A. "A" · 12,500 ft

1994-09-08

Spud 1995-05-23

Applications (2)

#858118 A SYDRI OPERATING, LLC

received 2019-10-16

#427746 A MITCHELL ENERGY CORPORATION

received 1994-09-06

Records & Logs

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

W-2/G-1 2020-01-08

W-2/G-1 1996-01-19 log on file

W-2/G-1 1996-03-08

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.

Google Maps → Explorer Map →

Lat 30.202469

Lon -95.701038

Well Details

Well Number: 4
Max Depth: 12,500 ft
Drill Type: Directional
County: MONTGOMERY
District: 3
Operator: SYDRI OPERATING, LLC

Operator

Name: SYDRI OPER, LLC
Location: DALLAS
P-5 Status: Active (filed 2026-03-11)
Cum Oil (all leases): 1,658,317 bbl
Cum Gas (all leases): 13,645,298 mcf
Activities: CSGD/G, CSGD/P, G/PUR, GTHS/G, OPRS/G, OPRS/O
Total Permits: 42