42-501-32692

Final Completion

MAHONEY H. O.

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

Permits

Max Depth

9,600 ft

First Permit

1984-09-25

Latest Activity

2015-07-13

Lifespan

31 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

2013-11-15

Shut-In

—

Plugged

2025-01-16

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 Plugged 2025-01-23 UIC #000057689 permitted 2015-06-11

Permitted Volume

3,000 bbl/d

Max Pressure

2,150 psi

Injection Interval

4,500–6,000 ft

Injected (12mo)

—

Monthly injected volume (bbl, from H-10 filings through 2024-09-01)

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 (12) Elevation 3,558 ft (GR)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
GLORIETA	5,921 ft	-2,363 ft
UPPER CLEARFORK (Clear Fork)	6,621 ft	-3,063 ft
UPPER CLEARFORK (Clear Fork)	6,679 ft	-3,121 ft
UPR CLEARFORK	6,679 ft	-3,121 ft
TUBB	7,454 ft	-3,896 ft
TUBB	7,497 ft	-3,939 ft
LOWER CLEARFORK (Clear Fork)	7,536 ft	-3,978 ft
LOWER CLEARFORK (Clear Fork)	7,583 ft	-4,025 ft
LWR CLEARFORK	7,583 ft	-4,025 ft
WICHITA ALBANY (Wichita-Albany)	7,844 ft	-4,286 ft
WICHITA-ALBANY	7,844 ft	-4,286 ft
WOLFCAMP	9,506 ft	-5,948 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
4,976–5,292 ft	Perforated
7,554–8,060 ft	Perforated
7,554–8,168 ft	Perforated
7,603–8,060 ft	Perforated

Casing (4)

Size	Set Depth	Cement
13.375"	483 ft	450 sx
13.375"	483 ft	—
8.625"	5,400 ft	2,650 sx
8.625"	5,400 ft	—

Permit History (2)

#805707 Recompletion Final Completion

H.O. MAHONEY · 9,600 ft

2015-07-13

Spud 2015-08-04

#252510 Drill Final Completion

MAHONEY, H. O. · 8,200 ft

1984-09-25

Applications (3)

#805707 A XTO ENERGY INC.

received 2015-04-16

#252510 A MOBIL PRODUCING TX. & N.M. INC.

received 1984-11-26

#252510 A MOBIL PRODUCING TX. & N.M. INC.

received 1984-09-25

Records & Logs

8 completion filings on record.

W-2/G-1 2024-12-13

W-2/G-1 2022-01-11

W-2/G-1 2016-03-01

W-2/G-1 2014-03-12

W-2/G-1 2006-11-01

W-2/G-1 1986-09-19

+2 more filings

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: 63W
Max Depth: 9,600 ft
Drill Type: Vertical
County: YOAKUM
District: 8
Operator: HILCORP ENERGY COMPANY
Completed: 2013-11-15

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