42-501-35395

PRODUCING

MAHONEY H. O.

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

Permits

1

Max Depth

8,600 ft

First Permit

2006-11-30

Latest Activity

2006-11-30

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2007-05-03

Shut-In

Plugged

P-5 Org Status: X

!

EWA / Permit operator mismatch

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

Resolved via: productionHILCORP ENERGY COMPANY

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

1993-01

Last Production

2026-07

Injection / Disposal

H-1 Injection Inactive UIC #000112973 permitted 2015-09-30

Permitted Volume

3,000 bbl/d

Max Pressure

2,150 psi

Injection Interval

6,300–8,300 ft

Injected (12mo)

Lease Production

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

Formation Tops (6) Elevation 3,545 ft

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
SAN ANDRES 4,747 ft-1,202 ft
GLORIETA 5,721 ft-2,176 ft
UPPER CLEARFORK (Clear Fork)5,926 ft-2,381 ft
TUBB 7,288 ft-3,743 ft
LOWER CLEARFORK (Clear Fork)7,357 ft-3,812 ft
WICHITA ALBANY (Wichita-Albany)7,690 ft-4,145 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
6,573–7,972 ftPerforated

Casing (2)

SizeSet DepthCement
8.625"2,370 ft900 sx
5.5"8,150 ft1,000 sx

Permit History (1)

Applications (1)

#629769 A XTO ENERGY INC.
received 2006-11-29

Records & Logs

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

W-2/G-1 2007-08-13 log on file
W-2/G-1 2007-08-22

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
121
Max Depth
8,600 ft
Drill Type
Vertical
County
YOAKUM
District
8
Completed
2007-05-03

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