42-365-33780

Final Completion

CHADWICK GAS UNIT - MCLENDON

PANOLA County · District 6 · DEVON ENERGY PRODUCTION CO L.P. · WILDCAT

Permits

Max Depth

9,450 ft

First Permit

1997-09-30

Latest Activity

1998-08-04

Lifespan

< 1 yr

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1998-01-15

Shut-In

—

Plugged

—

EWA / Production operator mismatch

Scheduling: DEVON ENERGY PRODUCTION CO L.P. ≠ Production: SHERIDAN PRODUCTION CO III, LLC (reported 2026-04)

EWA / Permit operator mismatch

Scheduling: DEVON ENERGY PRODUCTION CO L.P. ≠ Permit: PENNZOIL EXPLORATION & PROD. CO.

Resolved via: production → SHERIDAN PRODUCTION CO III, LLC

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1998-01

Last Production

2026-07

Operator History

Chain of Custody

PENNZOIL EXPLORATION & PROD. CO. 1998-1999→ PENNZENERGY EXP. & PROD., L.L.C. 1999-2000→ DEVON ENERGY PRODUCTION CO, L.P. 2000-2016→ SHERIDAN PRODUCTION COMPANY, LLC 2016-2019→ SHERIDAN PRODUCTION CO III, LLC 2020-2026

Lease Production

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

Formation Tops (6) Elevation 195 ft (GL)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
TMA	4,770 ft	-4,575 ft
BMA	4,980 ft	-4,785 ft
RODESSA	5,040 ft	-4,845 ft
SLIGO	5,730 ft	-5,535 ft
TRAVIS PEAK	6,120 ft	-5,925 ft
COTTON VLY.	8,200 ft	-8,005 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 (5)

Interval	Type
9,014–9,024 ft	Perforated
9,055–9,075 ft	Perforated
9,132–9,152 ft	Perforated
9,157–9,167 ft	Perforated
9,222–9,232 ft	Perforated

Casing (2)

Size	Set Depth	Cement
8.625"	1,011 ft	330 sx
4.5"	9,320 ft	1,650 sx

Permit History (2)

#478493 Recompletion Final Completion

CHADWICK GAS UNIT - MCLENDON · 9,450 ft

1998-08-04

Spud 1998-01-04

#468149 Drill Unperfed Completion

CHADWICK GAS UNIT - MCLENDON · 9,450 ft

1997-09-30

Spud 1998-01-04

Applications (2)

#468149 A PENNZOIL EXPLORATION & PROD. CO.

received 1997-09-29

#478493 A PENNZOIL EXPLORATION & PROD. CO.

received 1997-09-29

Records & Logs

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

W-2/G-1 1998-07-16 log on file

W-2/G-1 1998-08-12

W-2/G-1 1998-01-29 log on file

W-2/G-1 1998-03-12

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: 6
Max Depth: 9,450 ft
Drill Type: Vertical
County: PANOLA
District: 6
Operator: DEVON ENERGY PRODUCTION CO L.P.
Completed: 1998-01-15

Operator

Name: PENNZENERGY EXP. & PROD., L.L.C
Location: OKLAHOMA CI, TY
P-5 Status: Active (filed 2025-12-18)
Cum Oil (all leases): 365,943,944 bbl
Cum Gas (all leases): 9,274,880,220 mcf
Activities: CSGD/G, CSGD/P, G/PUR, GTHS/C, GTHS/G, GTHS/O, OPRS/G, OPRS/O
Total Permits: 9,261