42-501-32734

INJECTION

MAHONEY H. O.

YOAKUM County · District 8 · HILCORP ENERGY COMPANY · WASSON

Permits

1

Max Depth

5,300 ft

First Permit

1984-10-04

Latest Activity

1984-10-04

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2001-05-24

Shut-In

Plugged

P-5 Org Status: X

!

EWA / Permit operator mismatch

Scheduling: HILCORP ENERGY COMPANY ≠ Permit: MOBIL PRODUCING TX. & N.M. 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 Active UIC #000028708 permitted 2008-09-30

Permitted Volume

3,000 bbl/d

Max Pressure

2,150 psi

Injection Interval

4,500–6,000 ft

Injected (12mo)

49,402 bbl

Monthly injected volume (bbl, from H-10 filings through 2025-09-01)

Lease Production

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

Formation Tops (5) Elevation 3,549 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
YATES 3,072 ft+477 ft
QUEEN 3,815 ft-266 ft
GRAYBURG 4,200 ft-651 ft
SAN ANDRES 4,473 ft-924 ft
SAN ANDRES 4,789 ft-1,240 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
4,944–5,158 ftPerforated

Casing (2)

SizeSet DepthCement
10.75"2,200 ft1,300 sx
7.625"5,300 ft1,300 sx

Permit History (1)

Applications (1)

#253633 A MOBIL PRODUCING TX. & N.M. INC.
received 1984-10-04

Records & Logs

4 completion filings on record.

W-2/G-1 2022-01-12
W-2/G-1 2001-07-18
W-2/G-1 1985-05-06
W-2/G-1 1985-05-14

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
9A
Max Depth
5,300 ft
Drill Type
Vertical
County
YOAKUM
District
8
Completed
2001-05-24

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
3,435