42-501-32845

INJECTION

MAHONEY H. O.

YOAKUM County · District 8 · HILCORP ENERGY COMPANY · WASSON

Permits

1

Max Depth

5,400 ft

First Permit

1985-04-24

Latest Activity

1985-04-24

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2017-07-13

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 #000057051 permitted 2008-09-11

Permitted Volume

3,000 bbl/d

Max Pressure

2,150 psi

Injection Interval

4,500–6,000 ft

Injected (12mo)

58,361 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 (10) Elevation 3,548 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
YATES 3,136 ft+412 ft
QUEEN 4,064 ft-516 ft
SAN ANDRES 4,580 ft-1,032 ft
GRAYBURG 4,595 ft-1,047 ft
SAN ANDRES 4,852 ft-1,304 ft
SAN ANDRES 4,854 ft-1,306 ft
M-15,141 ft-1,593 ft
GRAYBURG 5,495 ft-1,947 ft
SAN ANDRES
YATES

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)

IntervalType
5,005–5,296 ftPerforated
5,068–5,119 ftPerforated
5,068–5,220 ftPerforated
5,068–5,300 ftPerforated
5,160–5,300 ftPerforated

Casing (4)

SizeSet DepthCement
8.625"462 ft350 sx
8.625"462 ft
5.5"5,400 ft1,700 sx
5.5"5,400 ft

Permit History (1)

Applications (1)

#273308 A MOBIL PRODUCING TX. & N.M. INC.
received 1985-04-23

Records & Logs

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

W-2/G-1 2017-10-27
W-2/G-1 2012-05-08
W-2/G-1 2010-07-22
W-2/G-1 1988-02-08
W-2/G-1 1986-01-03
W-2/G-1 1985-10-17 log on file

+1 more 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
19A
Max Depth
5,400 ft
Drill Type
Vertical
County
YOAKUM
District
8
Completed
2017-07-13

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