42-003-36857

INJECTION

FULLERTON CLEARFORK UNIT

ANDREWS County · District 8 · HILCORP ENERGY COMPANY · FULLERTON

Permits

1

Max Depth

7,500 ft

First Permit

1990-12-04

Latest Activity

1990-12-04

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

1991-06-14

Shut-In

Plugged

P-5 Org Status: X

!

EWA / Permit operator mismatch

Scheduling: HILCORP ENERGY COMPANY ≠ Permit: EXXON CORP.

Resolved via: productionHILCORP ENERGY COMPANY

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

1993-01

Last Production

2026-07

H-1 Injection Active UIC #000075190 permitted 1991-07-03

Permitted Volume

2,000 bbl/d

Max Pressure

1,600 psi

Injection Interval

6,000–7,400 ft

Injected (12mo)

31,660 bbl

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

Lease Production

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

Formation Tops (5) Elevation 3,322 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
SAN ANGELO 5,830 ft-2,508 ft
UPPER CLEARFORK (Clear Fork)6,118 ft-2,796 ft
TUBB 6,627 ft-3,305 ft
LOWER CLEARFORK (Clear Fork)6,686 ft-3,364 ft
WICHITA (Wichita-Albany)7,169 ft-3,847 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 (1)

IntervalType
6,708–7,340 ftPerforated

Casing (2)

SizeSet DepthCement
8.625"1,752 ft655 sx
5.5"7,421 ft1,200 sx

Permit History (1)

Applications (1)

#381295 A EXXON CORP.
received 1990-11-19

Records & Logs

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

W-2/G-1 1991-07-12 log on file
W-2/G-1 1991-09-04
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
492
Max Depth
7,500 ft
Drill Type
Vertical
County
ANDREWS
District
8
Completed
1991-06-14

Operator

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