42-499-31531

Final Completion

FOREST HILL /HARRIS SD/ UNIT

WOOD County · District 6 · GAITHER PETROLEUM CORPORATION · FOREST HILL (HARRIS SAND)

Permits

Max Depth

5,000 ft

First Permit

1987-02-12

Latest Activity

1997-12-08

Lifespan

11 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1987-03-11

Shut-In

—

Plugged

—

EWA / Permit operator mismatch

Scheduling: GAITHER PETROLEUM CORPORATION ≠ Permit: EXZENA OIL CORP.

Resolved via: production → GAITHER PETROLEUM CORPORATION

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-07

Operator History

Chain of Custody

GREENWICH OIL CORPORATION 1993-1994→ KLEAR CREEK PRODUCTION 1994-1995→ POWERLINE ENERGY CORP. 1995-1996→ PRECISE DEVELOPMENT, INC. 1996-1997→ SECONDARY OIL CORP., INC. 1997-1998→ SIERRA BLANCA PETRO. ENERGY,INC. 1998-1998→ BROTHERS OIL & EQUIPMENT, INC. 1998-1998→ REEDER, WENDELL A. 1998-2006→ EXZENA OIL CORP. 2001-2010→ NOBLE & CANTRELL EXPL. CO., INC. 2005-2005→ 5-N ENERGY 2005-2007→ PERGERSON ENERGY, L.L.C. 2010-2014→ GAITHER PETROLEUM CORPORATION 2022-2026

Lease Production

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

Formation Tops (7) Elevation 467 ft (GR)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
NACAROSH	1,948 ft	-1,481 ft
NACATOCH	1,948 ft	-1,481 ft
PECAN GAP	2,842 ft	-2,375 ft
AUSTIN CHALK	4,358 ft	-3,891 ft
BASE AUSTIN CHALK (Austin Chalk)	4,478 ft	-4,011 ft
SUB-CLARKSVILLE	4,514 ft	-4,047 ft
HARRIS	4,802 ft	-4,335 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
4,514–4,535 ft	Perforated
4,811–4,835 ft	Perforated

Casing (2)

Size	Set Depth	Cement
9.625"	1,028 ft	395 sx
7"	4,936 ft	900 sx

Permit History (2)

#470677 Recompletion Final Completion

WHITE, J. B. · 4,700 ft

1997-12-08

Spud 1997-12-01

#326309 Drill Final Completion

FOREST HILL/HARRIS SAND/UNIT · 5,000 ft

1987-02-12

Spud 1987-02-24

Applications (2)

#470677 A EXZENA OIL CORP.

received 1997-12-01

#326309 A GREENWICH OIL CORPORATION

received 1987-02-09

Records & Logs

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

W-2/G-1 2000-07-17

W-2/G-1 1987-04-28 log on file

W-2/G-1 1987-05-20

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 WOOD County.

Well Details

Well Number: 13A
Max Depth: 5,000 ft
Drill Type: Vertical
County: WOOD
District: 6
Operator: GAITHER PETROLEUM CORPORATION
Completed: 1987-03-11

Operator

Name: GAITHER PETRO CORP
Location: KATY
P-5 Status: Active (filed 2026-01-30)
Cum Oil (all leases): 7,069,489 bbl
Cum Gas (all leases): 20,922,811 mcf
Activities: CSGD/G, CSGD/P, G/PUR, GTHS/G, GTHS/O, OPRS/G, OPRS/O
Total Permits: 117