42-219-35264

INJECTION

EAST MALLET UNIT

HOCKLEY County · District 8 · HILCORP ENERGY COMPANY · SLAUGHTER

Permits

1

Max Depth

5,200 ft

First Permit

1988-02-05

Latest Activity

1988-02-05

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

1992-12-01

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 #000065783 permitted 2002-01-18

Permitted Volume

1,950 bbl/d

Max Pressure

2,300 psi

Injection Interval

4,700–5,150 ft

Injected (12mo)

80,617 bbl

Monthly injected volume (bbl, from H-10 filings through 2025-12-01)

Lease Production

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

Formation Tops (4) Elevation 3,595 ft (KB)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
YATES 2,844 ft+751 ft
SAN ANDRES 4,192 ft-597 ft
1ST SLAUGHTER4,957 ft-1,362 ft
2ND SLAUGHTER5,022 ft-1,427 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 (2)

IntervalType
4,958–5,008 ftPerforated
5,022–5,047 ftPerforated

Casing (2)

SizeSet DepthCement
8.625"505 ft400 sx
5.5"5,150 ft1,075 sx

Permit History (1)

Applications (1)

#342327 A MOBIL PRODUCING TX. & N.M. INC.
received 1988-02-05

Records & Logs

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

W-2/G-1 1993-02-04
W-2/G-1 1989-02-03
W-2/G-1 1988-08-02 log on file
W-2/G-1 1988-08-12

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 HOCKLEY County.

Well Details

Well Number
51A
Max Depth
5,200 ft
Drill Type
Vertical
County
HOCKLEY
District
8
Completed
1992-12-01

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