42-371-33445

Final Completion

FORT STOCKTON UNIT

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

Permits

Max Depth

3,501 ft

First Permit

1981-06-17

Latest Activity

1985-06-07

Lifespan

4 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1981-09-13

Shut-In

—

Plugged

—

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 (11) Elevation 2,828 ft (GL)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
YATES A (Yates)	2,800 ft	+28 ft
YATES B (Yates)	2,864 ft	-36 ft
YATES C (Yates)	2,895 ft	-67 ft
YATES D (Yates)	3,006 ft	-178 ft
YATES E (Yates)	3,076 ft	-248 ft
YATES F (Yates)	3,128 ft	-300 ft
YATES G (Yates)	3,158 ft	-330 ft
YATES H (Yates)	3,215 ft	-387 ft
YATES I (Yates)	3,279 ft	-451 ft
CAPITAN REEF (Capitan)	3,313 ft	-485 ft
REEF	3,313 ft	-485 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 (2)

Interval	Type
2,802–3,042 ft	Perforated
3,089–3,191 ft	Perforated

Casing (3)

Size	Set Depth	Cement
8.625"	567 ft	300 sx
2.375"	3,346 ft	—
4.5"	3,482 ft	790 sx

Permit History (2)

#277059 Recompletion Final Completion

FORT STOCKTON UNIT · 3,501 ft

1985-06-07

#121416 Drill Final Completion

FORT STOCKTON UNIT · 3,350 ft

1981-06-17

Applications (2)

#277059 A EXXON CORP.

received 1985-06-06

#121416 A EXXON CORP.

received 1981-06-17

Records & Logs

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

W-2/G-1 2021-08-11

W-2/G-1 1986-01-07 log on file

W-2/G-1 1986-01-14

W-2/G-1 1981-10-02

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: 1010
Max Depth: 3,501 ft
Drill Type: Vertical
County: PECOS
District: 8
Operator: CLIFFWOOD PRODUCTION CO.
Completed: 1981-09-13

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