42-371-37348

Final Completion

FORT STOCKTON UNIT

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

Permits

1

Max Depth

4,000 ft

First Permit

2003-12-11

Latest Activity

2003-12-11

Lifespan

< 1 yr

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1981-09-18

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: ENERGEN RESOURCES CORPORATION

Resolved via: productionDOUBLE BARREL OIL LLC

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 (3) Elevation 2,835 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
ANHYDRITE1,530 ft+1,305 ft
YATES 2,850 ft-15 ft
CAPITAN 3,335 ft-500 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 (8)

IntervalType
2,844–2,878 ftPerforated
2,898–2,912 ftPerforated
2,975–2,990 ftPerforated
3,054–3,078 ftPerforated
3,146–3,150 ftPerforated
3,180–3,185 ftPerforated
3,292–3,306 ftPerforated
3,362–3,376 ftPerforated

Casing (2)

SizeSet DepthCement
8.625"1,857 ft900 sx
5.5"3,620 ft650 sx

Permit History (1)

Applications (1)

#539563 A ENERGEN RESOURCES CORPORATION
received 2003-12-11

Records & Logs

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

W-2/G-1 2004-09-20 log on file
W-2/G-1 2004-10-25
W-2/G-1 1984-01-12
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
827
Max Depth
4,000 ft
Drill Type
Vertical
County
PECOS
District
8
Completed
1981-09-18

Operator

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