42-367-33778

Horizontal

HELM

PARKER County · District 9 · DEVON ENERGY PRODUCTION CO, L.P.

Permits

Max Depth

8,900 ft

First Permit

2005-08-31

Latest Activity

2007-02-16

Lifespan

1 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

—

Shut-In

—

Plugged

—

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

2006-10

Last Production

2008-08

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 (6) Elevation 837 ft (GL)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
MARBLES FALLS	6,317 ft	-5,480 ft
MARBLE FALLS	6,318 ft	-5,481 ft
UPPER BARNETT SHALE (Barnett)	6,400 ft	-5,563 ft
UPR BARNETT SHALE	6,426 ft	-5,589 ft
LOWER BARNETT SHALE (Barnett)	6,458 ft	-5,621 ft
ORDOVICIAN	6,684 ft	-5,847 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
6,810–7,144 ft	Perforated
7,470–7,804 ft	Perforated
8,305–8,574 ft	Perforated
8,305–8,584 ft	Perforated
8,830–9,104 ft	Perforated

Casing (2)

Size	Set Depth	Cement
8.625"	1,016 ft	650 sx
5.5"	9,201 ft	720 sx

Permit History (2)

#633612 Recompletion

HELM · 2,000 ft

2007-02-16

#605707 Drill Final Completion

HELM · 8,900 ft

2005-08-31

Spud 2005-10-22

Applications (2)

#633612 A DEVON ENERGY PRODUCTION CO, L.P.

received 2007-02-15

#605707 A CHIEF OIL & GAS LLC

received 2005-08-31

Records & Logs

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

W-2/G-1 2007-12-01

W-2/G-1 2007-01-16 log on file

W-2/G-1 2007-05-16

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 PARKER County.

Well Details

Well Number: 1
Max Depth: 8,900 ft
Drill Type: Horizontal
County: PARKER
District: 9
Operator: DEVON ENERGY PRODUCTION CO, L.P.

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: 9,259