42-371-33479

FORT STOCKTON UNIT

PECOS County · District 8 · CLIFFWOOD PRODUCTION CO. · FORT STOCKTON (YATES LOWER)

Permits

Max Depth

3,356 ft

First Permit

1981-07-14

Latest Activity

1985-06-25

Lifespan

4 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1981-10-29

Shut-In

—

Plugged

2021-09-01

EWA / Production operator mismatch

Scheduling: CLIFFWOOD PRODUCTION CO. ≠ Production: DOUBLE BARREL OIL LLC (reported 2026-04)

EWA / Permit operator mismatch

Scheduling: CLIFFWOOD PRODUCTION CO. ≠ Permit: EXXON CORP.

Resolved via: production → DOUBLE BARREL OIL LLC

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-07

Operator History

Chain of Custody

EXXON CORP. 1993-1996→ CLIFFWOOD PRODUCTION CO. 1996-2000→ ENERGEN RESOURCES CORPORATION 2000-2019→ DIAMONDBACK E&P LLC 2019-2019→ SABINAL ENERGY OPERATING, LLC 2019-2021→ DOUBLE BARREL OIL LLC 2021-2026

Lease Production

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

Oil

production & DCA →

Formation Tops (4) Elevation 2,834 ft (GR)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
YATES	2,740 ft	+94 ft
LOWER YATES (Yates)	3,015 ft	-181 ft
CAPITAL REEF	3,230 ft	-396 ft
REEF	3,230 ft	-396 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 (1)

Interval	Type
3,204–3,227 ft	Perforated

Casing (3)

Size	Set Depth	Cement
8.625"	597 ft	350 sx
2.375"	3,103 ft	—
4.5"	3,342 ft	775 sx

Permit History (2)

#279010 Recompletion U

FORT STOCKTON UNIT · 3,356 ft

1985-06-25

#125035 Drill Final Completion

FORT STOCKTON UNIT · 3,350 ft

1981-07-14

Spud 1981-10-02

Applications (2)

#279010 A EXXON CORP.

received 1985-05-03

#125035 A EXXON CORP.

received 1981-07-14

Records & Logs

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

W-2/G-1 2021-07-29

W-2/G-1 1985-12-03 log on file

W-2/G-1 1986-02-22

W-2/G-1 1981-12-16

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 PECOS County.

Well Details

Well Number: 1127
Max Depth: 3,356 ft
Drill Type: Vertical
County: PECOS
District: 8
Operator: CLIFFWOOD PRODUCTION CO.
Completed: 1981-10-29

Operator

Name: CLIFFWOOD PROD CO
Location: HOUSTON
P-5 Status: Inactive (filed 2000-06-06)
Cum Oil (all leases): 1,987,228 bbl
Cum Gas (all leases): 12,311,014 mcf
Total Permits: 24