42-393-31154

Final Completion

WELLS

ROBERTS County · District 10 · DEVON ENERGY PRODUCTION CO L.P. · GILL RANCH (MORROW)

Permits

Max Depth

12,300 ft

First Permit

1990-10-04

Latest Activity

2009-04-06

Lifespan

19 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1991-03-13

Shut-In

—

Plugged

—

EWA / Production operator mismatch

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

Resolved via: production → MMGL TXPH, LLC

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-07

Operator History

Chain of Custody

MARSH OPERATING COMPANY 1993-1995→ SEAGULL MIDCON INC. 1996-1998→ SEAGULL ENERGY E&P INC. 1998-1999→ OCEAN ENERGY, INC. 2002-2003→ DEVON LOUISIANA CORPORATION 2003-2005→ DEVON ENERGY PRODUCTION CO, L.P. 2006-2016→ TECOLOTE ENERGY OPERATING, LLC 2016-2019→ BLACKBEARD OPERATING, LLC 2020-2023→ MMGL TXPH, LLC 2023-2026

Lease Production

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

Formation Tops (6) Elevation 2,990 ft (GR)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
BROWN DOLOMITE	4,610 ft	-1,620 ft
DOUGLAS	7,324 ft	-4,334 ft
GRANITE WASH	8,650 ft	-5,660 ft
ATOKA SHALE (Atoka)	11,536 ft	-8,546 ft
MORROW SHALE (Morrow)	11,706 ft	-8,716 ft
MISSISSIPPIAN	12,116 ft	-9,126 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
11,520–11,550 ft	Perforated
11,868–11,886 ft	Perforated

Casing (2)

Size	Set Depth	Cement
8.625"	3,158 ft	1,015 sx
5.5"	12,090 ft	175 sx

Permit History (2)

#680094 Recompletion Final Completion

WELLS · 11,700 ft

2009-04-06

Spud 2009-04-13

#378981 Drill Final Completion

WELLS · 12,300 ft

1990-10-04

Spud 1990-11-21

Applications (2)

#680094 A DEVON ENERGY PRODUCTION CO, L.P.

received 2009-04-03

#378981 A MARSH OPERATING COMPANY

received 1990-10-04

Records & Logs

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

W-2/G-1 2009-07-15 log on file

W-2/G-1 2009-12-02

W-2/G-1 1991-04-22 log on file

W-2/G-1 1991-05-02

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 ROBERTS County.

Well Details

Well Number: 104
Max Depth: 12,300 ft
Drill Type: Vertical
County: ROBERTS
District: 10
Operator: DEVON ENERGY PRODUCTION CO L.P.
Completed: 1991-03-13

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: 9,264