42-003-35903

FULLERTON CLEARFORK UNIT

ANDREWS County · District 8 · EXXON CORP.

Permits

Max Depth

7,500 ft

First Permit

1987-08-18

Latest Activity

1995-12-11

Lifespan

8 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 →

H-1 Injection Active UIC #000084375 permitted 1996-02-29

Permitted Volume

2,000 bbl/d

Max Pressure

2,500 psi

Injection Interval

5,705–7,500 ft

Injected (12mo)

46,204 bbl

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 (7) Elevation 3,346 ft (GR)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
GLORIETA	5,531 ft	-2,185 ft
CLEARFORK (Clear Fork)	5,973 ft	-2,627 ft
TUBB	6,468 ft	-3,122 ft
LO. CLEARFORK	6,530 ft	-3,184 ft
UPPER S-AINING	6,600 ft	-3,254 ft
WICHITA (Wichita-Albany)	6,964 ft	-3,618 ft
WICHITA ALBANY (Wichita-Albany)	7,002 ft	-3,656 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
6,599–7,140 ft	Perforated
6,599–7,144 ft	Perforated
6,599–7,256 ft	Perforated
7,300–7,308 ft	Perforated

Casing (2)

Size	Set Depth	Cement
8.625"	1,650 ft	650 sx
5.5"	7,468 ft	1,550 sx

Permit History (2)

#442609 Recompletion

FULLERTON CLEARFORK UNIT · 7,500 ft

1995-12-11

#334565 Drill Final Completion

FULLERTON CLEARFORK UNIT · 7,400 ft

1987-08-18

Spud 1987-10-14

Applications (2)

#442609 A EXXON CORP.

received 1995-12-07

#334565 A EXXON CORP.

received 1987-08-14

Records & Logs

7 completion filings on record · 1 with log images at RRC.

W-2/G-1 2022-01-07

W-2/G-1 1996-06-20

W-2/G-1 1991-12-16

W-2/G-1 1991-08-15

W-2/G-1 1988-03-14 log on file

+1 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: 6921
Max Depth: 7,500 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