42-501-33806

Final Completion

MAHONEY H. O.

YOAKUM County · District 8 · HILCORP ENERGY COMPANY · WASSON 72

Permits

Max Depth

8,500 ft

First Permit

1992-10-21

Latest Activity

2017-04-21

Lifespan

24 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

2006-08-30

Shut-In

—

Plugged

—

EWA / Permit operator mismatch

Scheduling: HILCORP ENERGY COMPANY ≠ Permit: XTO ENERGY INC.

Resolved via: production → HILCORP ENERGY COMPANY

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-07

Injection / Disposal

H-1 Injection Cancelled 2026-06-12 UIC #000076399 permitted 2008-10-22

Permitted Volume

2,000 bbl/d

Max Pressure

2,400 psi

Injection Interval

6,300–8,300 ft

Injected (12mo)

—

Monthly injected volume (bbl, from H-10 filings through 2018-09-01)

Operator History

Chain of Custody

MOBIL PRODUCING TX. & N.M. INC. 1993-2004→ XTO ENERGY INC. 2004-2025→ 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 (3) Elevation 3,550 ft

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
TUBB	7,325 ft	-3,775 ft
LOWER CLEARFORK (Clear Fork)	7,401 ft	-3,851 ft
WICHITA ALBANY (Wichita-Albany)	7,751 ft	-4,201 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 (5)

Interval	Type
4,965–5,288 ft	Perforated
6,616–7,676 ft	Perforated
6,616–8,089 ft	Perforated
6,752–8,089 ft	Perforated
7,424–7,970 ft	Perforated

Casing (3)

Size	Set Depth	Cement
13.375"	465 ft	575 sx
8.625"	5,895 ft	2,670 sx
8.625"	5,895 ft	2,670 sx

Permit History (2)

#824396 Recompletion Final Completion

H.O. MAHONEY · 8,200 ft

2017-04-21

Spud 2017-05-30

#404791 Drill Final Completion

MAHONEY, H.O. · 8,500 ft

1992-10-21

Spud 1992-12-01

Applications (2)

#824396 A XTO ENERGY INC.

received 2017-03-13

#404791 A MOBIL PRODUCING TX. & N.M. INC.

received 1992-10-16

Records & Logs

4 completion filings on record.

W-2/G-1 2017-12-13

W-2/G-1 2006-09-11

W-2/G-1 1993-06-23

W-2/G-1 1993-06-28

Completion packets + logs ↗ Wellbore filings ↗

Completion packets open directly (post-2011 filings include attached logs). Log images 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 YOAKUM County.

Well Details

Well Number: 079
Max Depth: 8,500 ft
Drill Type: Vertical
County: YOAKUM
District: 8
Operator: HILCORP ENERGY COMPANY
Completed: 2006-08-30

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: 3,435