42-165-33744

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

1987-09-10

Latest Activity

1987-09-10

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

1988-01-04

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 3,318 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
RUSTLER 1,743 ft+1,575 ft
YATES 2,826 ft+492 ft
SAN ANDRES 4,370 ft-1,052 ft
GLORIETA 5,743 ft-2,425 ft
UPPER CLEARFORK (Clear Fork)6,307 ft-2,989 ft
LOWER CLEARFORK (Clear Fork)7,063 ft-3,745 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
5,844–6,240 ftPerforated
6,663–6,685 ftPerforated
6,841–7,149 ftPerforated

Casing (3)

SizeSet DepthCement
13.375"345 ft375 sx
8.625"3,230 ft1,450 sx
5.5"7,250 ft1,900 sx

Permit History (1)

Applications (1)

#335543 A SHELL WESTERN E&P INC.
received 1987-09-04

Records & Logs

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

W-2/G-1 1988-01-22 log on file
W-2/G-1 1988-01-30
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
1127
Max Depth
7,200 ft
Drill Type
Vertical
County
GAINES
District
8
Completed
1988-01-04

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