42-165-33551

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CENTRAL ROBERTSON CLEARFORK UNIT

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

Permits

1

Max Depth

7,200 ft

First Permit

1986-09-08

Latest Activity

1986-09-08

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

1987-02-18

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: SHELL WESTERN E&P INC.

Resolved via: productionOCCIDENTAL PERMIAN LTD.

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

1993-01

Last Production

2026-07

Lease Production

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

Formation Tops (6) Elevation 3,338 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
RUSTLER 1,800 ft+1,538 ft
YATES 2,893 ft+445 ft
SAN ANDRES 4,442 ft-1,104 ft
GLORIETA 5,840 ft-2,502 ft
UPPER CLEARFORK (Clear Fork)6,289 ft-2,951 ft
LOWER CLEARFORK (Clear Fork)7,038 ft-3,700 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 (3)

IntervalType
5,888–6,157 ftPerforated
6,287–6,752 ftPerforated
6,904–7,178 ftPerforated

Casing (2)

SizeSet DepthCement
8.625"1,770 ft1,025 sx
5.5"7,247 ft2,200 sx

Permit History (1)

Applications (1)

#320335 A SHELL WESTERN E&P INC.
received 1986-08-04

Records & Logs

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

W-2/G-1 1987-03-23 log on file
W-2/G-1 1987-03-25
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
1321
Max Depth
7,200 ft
Drill Type
Vertical
County
GAINES
District
8
Completed
1987-02-18

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