42-423-31950

Final Completion Directional

SWANN M. C.

SMITH County · District 6 · BREITBURN OPERATING L.P. · OVERTON (COTTON VALLEY SAND)

Permits

Max Depth

12,000 ft

First Permit

2005-04-28

Latest Activity

2021-05-14

Lifespan

16 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

2005-09-25

Shut-In

—

Plugged

—

EWA / Production operator mismatch

Scheduling: BREITBURN OPERATING L.P. ≠ Production: DIVERSIFIED PRODUCTION LLC (reported 2026-04)

Resolved via: production → DIVERSIFIED PRODUCTION LLC

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

2005-09

Last Production

2026-07

Operator History

Chain of Custody

ENCORE OPERATING, L.P. 2005-2010→ QUANTUM RESOURCES MANAGEMENT,LLC 2010-2014→ BREITBURN OPERATING L.P. 2015-2024→ DIVERSIFIED PRODUCTION LLC 2024-2026

Lease Production

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

Formation Tops (6) Elevation 475 ft (GL)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
BASE MASSIVE ANHYDRITE (Massive Anhydrite (marker))	7,471 ft	-6,996 ft
TRAVIS PEAK	8,293 ft	-7,818 ft
COTTON VALLEY	10,229 ft	-9,754 ft
TOP COTTON VALLEY (Cotton Valley)	10,229 ft	-9,754 ft
TAYLOR SAND (Taylor)	11,594 ft	-11,119 ft
BOSISER SHALE	11,850 ft	-11,375 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

✓ 42-423-31995 SWANN, M.C. · ENCORE OPERATING, L.P.

0.2 mi

Buda 5,143'Travis Peak 8,546'Cotton Valley 10,272'Cotton Valley 10,272'Taylor 11,577'Bossier 11,843'

✓ 42-423-31949 SWANN, M.C. · ENCORE OPERATING, L.P.

0.3 mi

Cotton Valley 10,289'Taylor 11,614'Bossier 11,874'

✓ 42-423-31924 MCELROY · ENCORE OPERATING, L.P.

0.4 mi

Massive Anhydrite (marker) 7,224'Pettit 8,100'Travis Peak 8,341'Travis Peak 8,400'Cotton Valley 10,242'Taylor 11,546'

✓ 42-423-32416 MOORE-SWANN-MCELROY (ALLOC) · TANOS EXPLORATION II, LLC

0.6 mi

Nacatoch 2,500'Woodbine 4,020'Paluxy 5,550'Rodessa 7,460'Pettit 8,120'Travis Peak 8,360'Cotton Valley 10,360'

✓ 42-423-32417 SWANN-MCELROY (ALLOC) · TANOS EXPLORATION II, LLC

0.6 mi

Nacatoch 2,490'Woodbine 4,010'Paluxy 5,530'Rodessa 7,440'Pettit 8,100'Travis Peak 8,340'Cotton Valley 10,340'

✓ 42-073-31154 MCELROY A · WINDSOR ENERGY GROUP, L.L.C.

0.7 mi

Pettit 8,194'Travis Peak 8,470'Cotton Valley 10,284'Bossier 11,825'

✓ 42-423-32014 WILSON, DAVID G. · ENCORE OPERATING, L.P.

1.1 mi

Nacatoch 2,230'Woodbine 3,743'Paluxy 5,482'Rodessa 7,382'Pettit 8,041'Travis Peak 8,278'Cotton Valley 10,204'Cotton Valley 10,384'Taylor 11,439'Bossier 11,716'

✓ 42-423-30834 BRIGHT · FAULCONER ENERGY, LLC

1.1 mi

BASE MASSIVE 7,405'Rodessa 7,424'Sligo 8,040'Pettit 8,160'Travis Peak 8,301'Taylor 11,489'

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 (2)

Interval	Type
8,393–8,418 ft	Perforated
11,605–11,746 ft	Perforated

Casing (2)

Size	Set Depth	Cement
8.625"	4,500 ft	1,245 sx
5.5"	11,950 ft	1,144 sx

Permit History (2)

#869104 Recompletion Final Completion

SWANN, M. C. · 11,950 ft

2021-05-14

Spud 2021-05-24

#561042 Drill Final Completion

SWANN, M.C. · 12,000 ft

2005-04-28

Spud 2005-08-06

Applications (2)

#869104 A BREITBURN OPERATING L.P.

received 2021-04-14

#561042 A ENCORE OPERATING, L.P.

received 2005-04-25

Records & Logs

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

W-2/G-1 2021-09-14

W-2/G-1 2005-10-07 log on file

W-2/G-1 2006-04-06

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 32.146406

Lon -95.094148

Well Details

Well Number: 11
Max Depth: 12,000 ft
Drill Type: Directional
County: SMITH
District: 6
Operator: BREITBURN OPERATING L.P.
Completed: 2005-09-25

Operator

Name: BREITBURN OPER L.P
Location: KEITHVILLE
P-5 Status: Active (filed 2026-05-12)
Cum Oil (all leases): 15,946,907 bbl
Cum Gas (all leases): 176,635,507 mcf
Activities: CSGD/P, G/PUR, GTHS/G, OPRS/G, OPRS/O
Total Permits: 323