42-391-31264

Final Completion

LAMBERT M.F.

REFUGIO County · District 2 · HEWIT & DOUGHERTY · TOM OCONNOR (4500 GRETA MASS.)

Permits

Max Depth

4,600 ft

First Permit

1978-06-13

Latest Activity

1982-03-12

Lifespan

4 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1978-08-11

Shut-In

—

Plugged

—

EWA / Production operator mismatch

Scheduling: HEWIT & DOUGHERTY ≠ Production: KOVAR OPERATING, LLC (reported 2019-07)

Resolved via: scheduling → HEWIT & DOUGHERTY

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-07

Operator History

Chain of Custody

H & D OPERATING COMPANY 1993-2015→ 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 2002-2018→ KOVAR OPERATING, LLC 2015-2019

Lease Production

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

Formation Tops (2) Elevation 66 ft (KB)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
4500 GRETA MASSIVE	4,410 ft	-4,344 ft
4150 SAND	—	—

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 (3)

Interval	Type
4,128–4,132 ft	Perforated
4,388–4,397 ft	Perforated
4,409–4,412 ft	Perforated

Casing (5)

Size	Set Depth	Cement
9.625"	1,257 ft	525 sx
2.375"	4,035 ft	—
2.375"	4,301 ft	—
2.875"	4,357 ft	—
5.5"	4,599 ft	600 sx

Permit History (3)

#153215 Recompletion Final Completion

LAMBERT, M.F. · 4,600 ft

1982-03-12

#49991 Recompletion Final Completion

LAMBERT, M. F. · 4,600 ft

1979-06-04

#26364 Drill

LAMBERT, M. F. · 4,600 ft

1978-06-13

Spud 1978-07-19

Applications (3)

#153215 A HEWIT & DOUGHERTY

received 1982-03-12

#49991 A HEWIT & DOUGHERTY

received 1979-06-04

#26364 A HEWIT & DOUGHERTY

received 1978-06-13

Records & Logs

5 completion filings on record.

W-2/G-1 2021-05-13

W-2/G-1 1982-04-12

W-2/G-1 1979-06-20

W-2/G-1 1978-08-28

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: 111
Max Depth: 4,600 ft
Drill Type: Vertical
County: REFUGIO
District: 2
Operator: HEWIT & DOUGHERTY
Completed: 1978-08-11

Operator

Name: HEWIT & DOUGHERTY
Location: REFUGIO
P-5 Status: Inactive (filed 1989-03-22)
Total Permits: 73