42-003-34853

PRODUCING

FULLERTON CLEARFORK UNIT

ANDREWS County · District 8 · HILCORP ENERGY COMPANY · FULLERTON

Permits

Max Depth

7,600 ft

First Permit

1985-03-28

Latest Activity

1996-01-29

Lifespan

11 yrs

Regulatory Status

Schedule

ON SCHEDULE

Completion

1997-02-03

Shut-In

—

Plugged

—

P-5 Org Status: X

EWA / Permit operator mismatch

Scheduling: HILCORP ENERGY COMPANY ≠ Permit: EXXON CORP.

Resolved via: production → HILCORP ENERGY COMPANY

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-07

Operator History

Chain of Custody

EXXON CORP. 1993-2000→ EXXON MOBIL CORPORATION 2000-2011→ XTO ENERGY INC. 2012-2025→ HILCORP ENERGY COMPANY 2025-2026

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 (4) Elevation 3,341 ft (GR)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
TUBB	6,524 ft	-3,183 ft
LO. CLEARFORK	6,598 ft	-3,257 ft
UPPER STAINING	6,678 ft	-3,337 ft
WICHITA (Wichita-Albany)	7,086 ft	-3,745 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
6,005–7,132 ft	Perforated
6,006–7,394 ft	Perforated

Casing (2)

Size	Set Depth	Cement
8.625"	1,697 ft	750 sx
5.5"	7,411 ft	550 sx

Permit History (2)

#444017 Recompletion Final Completion

FULLERTON CLEARFORK UNIT · 7,600 ft

1996-01-29

Spud 1996-03-07

#270806 Drill Final Completion

FULLERTON CLEARFORK UNIT · 7,400 ft

1985-03-28

Spud 1985-05-27

Applications (2)

#444017 A EXXON CORP.

received 1996-01-24

#270806 A EXXON CORP.

received 1985-03-22

Records & Logs

4 completion filings on record.

W-2/G-1 1997-03-18

W-2/G-1 1996-05-01

W-2/G-1 1985-09-11

W-2/G-1 1985-09-19

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 ANDREWS County.

Well Details

Well Number: 335
Max Depth: 7,600 ft
Drill Type: Vertical
County: ANDREWS
District: 8
Operator: HILCORP ENERGY COMPANY
Completed: 1997-02-03

Operator

Name: HILCORP ENGY CO
Location: HOUSTON
P-5 Status: X (filed 2026-03-27)
Cum Oil (all leases): 75,699,281 bbl
Cum Gas (all leases): 1,779,939,645 mcf
Activities: CSGD/G, CSGD/P, G/PUR, GTHS/C, GTHS/G, GTHS/O, OPRS/G, OPRS/O
Total Permits: 3,430