42-115-31169

Final Completion Horizontal

NORTH WELCH UNIT

DAWSON County · District 8 · DEVON ENERGY PRODUCTION CO, L.P.

Permits

Max Depth

5,000 ft

First Permit

1977-09-15

Latest Activity

2001-02-22

Lifespan

23 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

—

Shut-In

—

Plugged

—

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-07

Operator History

Chain of Custody

PENNZOIL PETROLEUM COMPANY 1993-1995→ PENNZOIL EXPLORATION & PROD. CO. 1995-1999→ PENNZENERGY EXP. & PROD., L.L.C. 1999-2000→ DEVON ENERGY PRODUCTION CO, L.P. 2000-2018→ WHITE ROCK OIL & GAS, LLC 2019-2026

Lease Production

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

Oil

production & DCA →

Formation Tops (2) Elevation 3,119 ft (GR)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
SAN ANDRES	4,460 ft	-1,341 ft
SAN ANDRES POROSITY (San Andres)	4,908 ft	-1,789 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 (1)

Interval	Type
4,705–6,721 ft	Perforated

Casing (2)

Size	Set Depth	Cement
8.625"	381 ft	—
5.5"	4,894 ft	—

Permit History (2)

#505704 Recompletion Final Completion

NORTH WELCH UNIT · 4,930 ft

2001-02-22

Spud 2001-03-18

#8599 Drill

NORTH WELCH UNIT · 5,000 ft

1977-09-15

Spud 1977-11-27

Applications (2)

#505704 A DEVON ENERGY PRODUCTION CO, L.P.

received 2001-02-22

#8599 A KEWANEE OIL COMPANY

received 1977-09-15

Records & Logs

3 completion filings on record.

W-2/G-1 2001-05-29

W-2/G-1 1977-12-22

Completion packets + logs ↗ Wellbore filings ↗

Completion packets open directly (post-2011 filings include attached logs). Log images and the UL library 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 DAWSON County.

Well Details

Well Number: 3305H
Max Depth: 5,000 ft
Drill Type: Horizontal
County: DAWSON
District: 8
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