42-003-33823

Final Completion

FULLERTON CLEARFORK UNIT

ANDREWS County · District 8 · HILCORP ENERGY COMPANY · FULLERTON

Permits

Max Depth

7,400 ft

First Permit

1983-10-31

Latest Activity

1984-08-31

Lifespan

< 1 yr

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1984-08-17

Shut-In

—

Plugged

—

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

Injection / Disposal

ANDREWS County disposal market →

H-1 Injection Active UIC #000051585 permitted 1993-12-31

Permitted Volume

2,000 bbl/d

Max Pressure

2,500 psi

Injection Interval

5,745–7,500 ft

Injected (12mo)

—

Monthly injected volume (bbl, from H-10 filings through 2026-03-01)

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 (8) Elevation 3,318 ft (GL)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
TUBB	6,677 ft	-3,359 ft
LOWER CLEARFORK (Clear Fork)	6,760 ft	-3,442 ft
UPPER STAINING	6,822 ft	-3,504 ft
ZONE 1	6,938 ft	-3,620 ft
ZONE 2	7,062 ft	-3,744 ft
WICHITA (Wichita-Albany)	7,134 ft	-3,816 ft
ZONE 3	7,213 ft	-3,895 ft
ZONE 4	7,275 ft	-3,957 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
6,960–7,275 ft	Perforated
6,970–7,275 ft	Perforated

Casing (2)

Size	Set Depth	Cement
8.625"	1,677 ft	800 sx
5.5"	7,407 ft	1,350 sx

Permit History (2)

#250086 Recompletion Final Completion

FULLERTON CLEARFORK UNIT · 7,400 ft

1984-08-31

#219205 Drill Final Completion

FULLERTON CLEARFORK UNIT · 7,400 ft

1983-10-31

Spud 1983-12-08

Applications (2)

#250086 A EXXON CORP.

received 1984-08-20

#219205 A EXXON CORP.

received 1983-10-26

Records & Logs

9 completion filings on record.

W-2/G-1 1999-06-30

W-2/G-1 1995-01-27

W-2/G-1 1991-11-27

W-2/G-1 1988-02-24

W-2/G-1 1984-10-12

+3 more filings

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: 4774
Max Depth: 7,400 ft
Drill Type: Vertical
County: ANDREWS
District: 8
Operator: HILCORP ENERGY COMPANY
Completed: 1984-08-17

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: 3,428