42-461-31838

Final Completion

HALFF 47

UPTON County · District 7 · ATLAS OPERATING LLC · SPRABERRY (TREND AREA CL. FK.)

Permits

Max Depth

9,000 ft

First Permit

1981-11-03

Latest Activity

1983-12-19

Lifespan

2 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1984-01-16

Shut-In

—

Plugged

2012-06-07

EWA / Permit operator mismatch

Scheduling: ATLAS OPERATING LLC ≠ Permit: ENSOURCE INC.

Resolved via: production → ATLAS OPERATING LLC

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-07

Operator History

Chain of Custody

UMC PETROLEUM CORPORATION 1993-1997→ PIONEER EXPLORATION COMPANY 1997-2001→ PIONEER EXPLORATION, LTD. 2001-2008→ PIONEER EXPLORATION, LLC 2008-2010→ ATLAS OPERATING LLC 2010-2026

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 (6) Elevation 2,768 ft (GL)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
CLEARFORK (Clear Fork)	6,510 ft	-3,742 ft
MIDDLE SPRABERRY (Spraberry)	7,440 ft	-4,672 ft
JO MILL	8,157 ft	-5,389 ft
JOMILL	8,157 ft	-5,389 ft
DEAN	8,505 ft	-5,737 ft
WOLFCAMP	8,720 ft	-5,952 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 (6)

Interval	Type
6,561–7,014 ft	Perforated
6,561–8,741 ft	Perforated
7,419–7,790 ft	Perforated
7,419–8,741 ft	Perforated
7,846–8,297 ft	Perforated
8,741–8,335 ft	Perforated

Casing (2)

Size	Set Depth	Cement
8.625"	785 ft	500 sx
4.5"	8,850 ft	1,350 sx

Permit History (2)

#224283 Recompletion Final Completion

HALFF "47" · 7,100 ft

1983-12-19

#139377 Drill Final Completion

HALFF 47 · 9,000 ft

1981-11-03

Spud 1981-10-31

Applications (2)

#224283 A ENSOURCE INC.

received 1983-12-19

#139377 A ENSOURCE INC.

received 1981-11-03

Records & Logs

3 completion filings on record.

W-2/G-1 1984-03-23

W-2/G-1 1982-04-19

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 UPTON County.

Well Details

Well Number: 5
Max Depth: 9,000 ft
Drill Type: Vertical
County: UPTON
District: 7
Operator: ATLAS OPERATING LLC
Completed: 1984-01-16

Operator

Name: ATLAS OPER LLC
Location: HOUSTON
P-5 Status: H (filed 2026-03-09)
Cum Oil (all leases): 7,184,429 bbl
Cum Gas (all leases): 10,995,911 mcf
Activities: CSGD/G, CSGD/P, G/PUR, GTHS/G, OPRS/G, OPRS/O
Total Permits: 78