42-391-30396

LAMBERT, M.F.

REFUGIO County · District 2 · DEVON ENERGY PRODUCTION CO, L.P.

Permits

Max Depth

6,025 ft

First Permit

1979-11-07

Latest Activity

2000-11-28

Lifespan

21 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

Injection / Disposal

W-14 Disposal Active UIC #000096341 permitted 2006-05-01

Permitted Volume

20,000 bbl/d

Max Pressure

1,800 psi

Injection Interval

3,600–4,160 ft

Injected (12mo)

1,451,637 bbl

Monthly injected volume (bbl, from H-10 filings through 2025-09-01)

Operator History

Chain of Custody

PENNZOIL EXPLORATION & PROD. CO. 1993-1999→ PENNZENERGY EXP. & PROD., L.L.C. 1999-2000→ DEVON ENERGY PRODUCTION CO, L.P. 2000-2002→ HILCORP ENERGY COMPANY 2002-2026

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 (1) Elevation 65 ft (DF)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
NO CHANGE	—	—

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 (4)

Interval	Type
3,915–3,945 ft	Perforated
4,020–4,050 ft	Perforated
4,400–4,403 ft	Perforated
5,876–5,879 ft	Perforated

Casing (3)

Size	Set Depth	Cement
10.75"	1,270 ft	1,020 sx
2.375"	4,314 ft	—
5.5"	6,025 ft	880 sx

Permit History (2)

#502398 Recompletion

LAMBERT, M.F. · 5,350 ft

2000-11-28

#63101 Recompletion Final Completion

LAMBERT, M. F. · 6,025 ft

1979-11-07

Applications (2)

#502398 A DEVON ENERGY PRODUCTION CO, L.P.

received 2000-11-28

#63101 A PENNZOIL PRODUCING CO.

received 1979-11-07

Records & Logs

3 completion filings on record.

W-2/G-1 2007-01-24

W-2/G-1 1980-03-03

W-2/G-1 1975-06-20

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 REFUGIO County.

Well Details

Well Number: 139
Max Depth: 6,025 ft
Drill Type: Vertical
County: REFUGIO
District: 2
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