42-057-00478

Final Completion

SHOFNER W. A. ESTATE

CALHOUN County · District 2 · INITIAL ENERGY SERVICES LLC · SHERIFF (5700 GRETA SAND)

Permits

Max Depth

5,748 ft

First Permit

1990-03-05

Latest Activity

1994-09-12

Lifespan

5 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

—

Shut-In

—

Plugged

—

EWA / Production operator mismatch

Scheduling: INITIAL ENERGY SERVICES LLC ≠ Production: OSYKA PERMIAN, LLC (reported 2007-04)

EWA / Permit operator mismatch

Scheduling: INITIAL ENERGY SERVICES LLC ≠ Permit: QUINTANA PET. CORP.

Resolved via: scheduling → INITIAL ENERGY SERVICES LLC

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-07

Operator History

Chain of Custody

QUINTANA PET. CORP. 1994-1996→ TEXAS PETROLEUM INVESTMENT CO. 1996-2003→ OSYKA PERMIAN, LLC 2003-2007

Lease Production

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

Formation Tops (7) Elevation 26 ft

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
OAKVILLE	1 ft	+25 ft
CATAHOULA	3,300 ft	-3,274 ft
OAKVILLE	3,300 ft	-3,274 ft
ANAHUAC	4,100 ft	-4,074 ft
CATAHOULA	4,100 ft	-4,074 ft
FRIO-GRETA (Frio)	4,365 ft	-4,339 ft
MIDDLE FRIO (Frio)	4,785 ft	-4,759 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
5,574–5,581 ft	Perforated
5,618–5,625 ft	Perforated

Casing (2)

Size	Set Depth	Cement
9.625"	923 ft	350 sx
5.5"	5,718 ft	300 sx

Permit History (2)

#427745 Recompletion Final Completion

S (F-1) GU 2; SHOFNER, W. A. · 5,748 ft

1994-09-12

Spud 1994-10-03

#370078 Recompletion Final Completion

SHOFNER, W.A. · 5,748 ft

1990-03-05

Applications (2)

#427745 A QUINTANA PET. CORP.

received 1994-09-06

#370078 A QUINTANA PET. CORP.

received 1990-02-20

Records & Logs

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

W-2/G-1 1994-10-31 log on file

W-2/G-1 1994-12-09

W-2/G-1 1990-03-16 log on file

W-2/G-1 1990-06-02

W-2/G-1 1984-01-12

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 CALHOUN County.

Well Details

Well Number: 2
Max Depth: 5,748 ft
Drill Type: Vertical
County: CALHOUN
District: 2
Operator: INITIAL ENERGY SERVICES LLC

Operator

Name: INITIAL ENGY SERVICES, LLC
Location: SAN ANTONIO
P-5 Status: Active (filed 2025-09-05)
Cum Oil (all leases): 1,509 bbl
Cum Gas (all leases): 255,431 mcf
Activities: OPRS/G, OPRS/O
Total Permits: 1