42-003-36315

Final Completion

FULLERTON CLEARFORK UNIT

ANDREWS County · District 8 · EXXON CORP.

Permits

Max Depth

9,100 ft

First Permit

1989-02-14

Latest Activity

1995-03-07

Lifespan

6 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

—

Shut-In

—

Plugged

—

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-07

Injection / Disposal

ANDREWS County disposal market →

W-14 Disposal Active UIC #000083132 permitted 2015-03-20

Permitted Volume

5,000 bbl/d

Max Pressure

4,350 psi

Injection Interval

8,700–8,900 ft

Injected (12mo)

—

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

Operator History

Chain of Custody

EXXON CORP. 1993-2000→ MARATHON OIL COMPANY 1993-1998→ AGHORN OPERATING, INC. 1998-2003→ 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.

Formation Tops (6) Elevation 3,329 ft (GL)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
TUBB	6,402 ft	-3,073 ft
LOWER CLEARFORK (Clear Fork)	6,526 ft	-3,197 ft
WICHITA (Wichita-Albany)	6,969 ft	-3,640 ft
ABO	7,326 ft	-3,997 ft
WOLFCAMP	7,510 ft	-4,181 ft
DEVONIAN	8,080 ft	-4,751 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 (4)

Interval	Type
8,090–8,100 ft	Perforated
8,160–8,176 ft	Perforated
8,876–8,964 ft	Perforated
8,964–8,876 ft	Perforated

Casing (3)

Size	Set Depth	Cement
13.375"	350 ft	370 sx
8.625"	4,350 ft	870 sx
5.5"	8,600 ft	450 sx

Permit History (3)

#433441 Recompletion Final Completion

FULLERTON CLEARFORK UNIT · 9,100 ft

1995-03-07

Spud 1995-02-17

#362323 Recompletion

UNIVERSITY · 8,600 ft

1989-08-03

#356016 Drill Final Completion

UNIVERSITY · 8,800 ft

1989-02-14

Spud 1989-02-19

Applications (3)

#433441 A EXXON CORP.

received 1995-03-02

#362323 A MARATHON OIL COMPANY

received 1989-08-03

#356016 A MARATHON OIL COMPANY

received 1989-02-13

Records & Logs

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

W-2/G-1 2012-10-24

W-2/G-1 1995-06-27

W-2/G-1 1995-06-22

W-2/G-1 1989-05-30 log on file

W-2/G-1 1989-06-14

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: 1D
Max Depth: 9,100 ft
Drill Type: Vertical
County: ANDREWS
District: 8
Operator: EXXON CORP.

Operator

Name: YOUNGBLOOD, C. S. III
Location: HOUSTON
P-5 Status: S (filed 1999-03-15)
Cum Oil (all leases): 215,968,885 bbl
Cum Gas (all leases): 2,000,503,710 mcf
Activities: OPRS/O
Total Permits: 19,549