42-219-36001

INJECTION

SUNDOWN UNIT

HOCKLEY County · District 8 · HILCORP ENERGY COMPANY · SLAUGHTER

Permits

2

Max Depth

5,400 ft

First Permit

1993-07-30

Latest Activity

2016-04-13

Lifespan

23 yrs

Regulatory Status

Schedule

ON SCHEDULE

Completion

2022-02-01

Shut-In

Plugged

P-5 Org Status: X

!

EWA / Production operator mismatch

Scheduling: HILCORP ENERGY COMPANY ≠ Production: OCCIDENTAL PERMIAN LTD. (reported 2026-04)

!

EWA / Permit operator mismatch

Scheduling: HILCORP ENERGY COMPANY ≠ Permit: OCCIDENTAL PERMIAN LTD.

Resolved via: productionOCCIDENTAL PERMIAN LTD.

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

1993-01

Last Production

2026-07

Injection / Disposal

H-1 Injection Active UIC #000080528 permitted 2017-03-22

Permitted Volume

5,300 bbl/d

Max Pressure

2,300 psi

Injection Interval

4,600–5,300 ft

Injected (12mo)

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 (11) Elevation 3,526 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
SAN ANDRES 4,050 ft-524 ft
SAN ANDRES - ACTIVE CO2 FLOOD; H (San Andres)4,819 ft-1,293 ft
ABO
CANYON
CISCO
CLEARFORK (Clear Fork)
RED BED-SANTA ROSA (Santa Rosa)
STRAWN
WICHITA ALBANY (Wichita-Albany)
WOLFCAMP
YATES - OVERPRESSURE, INERT GAS (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 (3)

IntervalType
4,882–5,021 ftOpen hole
4,882–5,100 ftPerforated
4,882–5,100 ftOpen hole

Casing (4)

SizeSet DepthCement
8.625"450 ft300 sx
8.625"450 ft300 sx
5.5"4,881 ft1,050 sx
5.5"4,881 ft1,050 sx

Permit History (2)

Applications (2)

#814871 A OCCIDENTAL PERMIAN LTD.
received 2016-04-06
#414376 A AMOCO PRODUCTION COMPANY
received 1993-07-28

Records & Logs

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

W-2/G-1 2022-02-22
W-2/G-1 2017-01-19
W-2/G-1 1994-05-06
W-2/G-1 1993-11-19 log on file
W-2/G-1 1993-11-30

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
58
Max Depth
5,400 ft
Drill Type
Vertical
County
HOCKLEY
District
8
Completed
2022-02-01

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