42-165-33634

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

1987-06-05

Latest Activity

1987-06-05

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

1987-11-21

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 3,338 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
RUSTLER 1,787 ft+1,551 ft
YATES 2,869 ft+469 ft
SEVEN RIVERS 3,100 ft+238 ft
QUEEN 3,395 ft-57 ft
SAN ANDRES 4,410 ft-1,072 ft
UPPER CLEARFORK (Clear Fork)6,281 ft-2,943 ft
LOWER CLEARFORK (Clear Fork)7,031 ft-3,693 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
5,873–6,122 ftPerforated
6,314–6,630 ftPerforated
6,720–6,928 ftPerforated
7,093–7,199 ftPerforated

Casing (3)

SizeSet DepthCement
14"40 ft
8.625"1,786 ft950 sx
5.5"7,250 ft2,225 sx

Permit History (1)

Applications (1)

#331179 A SHELL WESTERN E&P INC.
received 1987-06-04

Records & Logs

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

W-2/G-1 1988-01-04 log on file
W-2/G-1 1988-01-13
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
1228
Max Depth
7,200 ft
Drill Type
Vertical
County
GAINES
District
8
Completed
1987-11-21

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