42-165-33630

PRODUCING

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

1987-06-08

Latest Activity

1987-06-08

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

1989-08-07

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 (7) Elevation 3,328 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
RUSTLER 1,793 ft+1,535 ft
YATES 2,876 ft+452 ft
SEVEN RIVERS 3,116 ft+212 ft
QUEEN 3,414 ft-86 ft
SAN ANDRES 4,417 ft-1,089 ft
UPPER CLEARFORK (Clear Fork)6,247 ft-2,919 ft
LOWER CLEARFORK (Clear Fork)6,971 ft-3,643 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 (4)

IntervalType
5,879–6,110 ftPerforated
5,879–6,923 ftPerforated
6,294–6,923 ftPerforated
7,123–7,200 ftPerforated

Casing (3)

SizeSet DepthCement
14"40 ft
8.625"1,795 ft850 sx
5.5"7,250 ft950 sx

Permit History (1)

Applications (1)

#330952 A SHELL WESTERN E&P INC.
received 1987-06-01

Records & Logs

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

W-2/G-1 1989-11-27
W-2/G-1 1987-12-31 log on file
W-2/G-1 1988-01-06
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
1231
Max Depth
7,200 ft
Drill Type
Vertical
County
GAINES
District
8
Completed
1989-08-07

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