42-165-35933

INJECTION

CENTRAL ROBERTSON CLEARFORK UNIT

GAINES County · District 8 · OCCIDENTAL PERMIAN EOR LLC · ROBERTSON N. (CLEAR FORK 7100)

Permits

1

Max Depth

7,250 ft

First Permit

2003-01-28

Latest Activity

2003-01-28

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2016-12-17

Shut-In

Plugged

P-5 Org Status: Active

!

EWA / Production operator mismatch

Scheduling: OCCIDENTAL PERMIAN EOR LLC ≠ Production: OCCIDENTAL PERMIAN LTD. (reported 2026-04)

!

EWA / Permit operator mismatch

Scheduling: OCCIDENTAL PERMIAN EOR LLC ≠ 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 #000093049 permitted 2003-05-12

Permitted Volume

1,500 bbl/d

Max Pressure

2,900 psi

Injection Interval

5,800–7,250 ft

Injected (12mo)

54,600 bbl

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

Lease Production

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

Formation Tops (7) Elevation 3,326 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
GRAYBURG 4,112 ft-786 ft
SAN ANDRES 4,405 ft-1,079 ft
GLORIETA 5,771 ft-2,445 ft
CLEARFORK (UPPER) (Clear Fork)6,230 ft-2,904 ft
UPPER CLEARFORK (Clear Fork)6,230 ft-2,904 ft
CLEARFORK (LOWER) (Clear Fork)6,958 ft-3,632 ft
LOWER CLEARFORK (Clear Fork)6,958 ft-3,632 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 (6)

IntervalType
5,900–6,626 ftPerforated
5,992–6,024 ftPerforated
6,276–6,568 ftPerforated
6,333–6,626 ftPerforated
6,770–6,802 ftPerforated
7,034–7,126 ftPerforated

Casing (2)

SizeSet DepthCement
8.625"1,815 ft600 sx
5.5"7,250 ft2,100 sx

Permit History (1)

Applications (1)

#527813 A OCCIDENTAL PERMIAN LTD.
received 2003-01-28

Records & Logs

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

W-2/G-1 2025-11-10
W-2/G-1 2016-09-28
W-2/G-1 2007-02-05
W-2/G-1 2003-12-17 log on file
W-2/G-1 2004-04-29
Completion packets + logs ↗ Wellbore filings ↗

Completion packets open directly (post-2011 filings include attached logs). Log images and the UL library 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 GAINES County.

Well Details

Well Number
1253
Max Depth
7,250 ft
Drill Type
Vertical
County
GAINES
District
8
Completed
2016-12-17

Operator

Location
HOUSTON
P-5 Status
Active (filed 2026-01-21)
Cum Oil (all leases)
— bbl
Cum Gas (all leases)
— mcf
Activities
OPRS/G, OPRS/O