42-461-31522

Final Completion

AMACKER 46

UPTON County · District 7 · ENSOURCE INC. · SPRABERRY (TREND AREA)

Permits

Max Depth

9,000 ft

First Permit

1979-12-31

Latest Activity

1985-07-30

Lifespan

6 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1980-08-18

Shut-In

—

Plugged

—

EWA / Production operator mismatch

Scheduling: ENSOURCE INC. ≠ Production: ATLAS OPERATING LLC (reported 2026-03)

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 (5) Elevation 2,717 ft (GR)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
CLEARFORK (Clear Fork)	6,485 ft	-3,768 ft
UPPER SPRABERRY (Spraberry)	7,209 ft	-4,492 ft
JOMILL	8,103 ft	-5,386 ft
DEAN	8,529 ft	-5,812 ft
WOLFCAMP	8,692 ft	-5,975 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
6,537–6,999 ft	Perforated
7,692–8,690 ft	Perforated

Casing (3)

Size	Set Depth	Cement
8.625"	785 ft	325 sx
2.375"	7,871 ft	—
4.5"	8,757 ft	750 sx

Permit History (2)

#281450 Recompletion Final Completion

AMACKER "46" · 7,250 ft

1985-07-30

#67915 Drill Final Completion

AMACKER 46 · 9,000 ft

1979-12-31

Applications (2)

#281450 A ENSOURCE INC.

received 1985-07-29

#67915 A PALO-PLACER

received 1979-12-31

Records & Logs

3 completion filings on record.

W-2/G-1 1985-10-10

W-2/G-1 1985-11-01

W-2/G-1 1980-09-29

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: 4
Max Depth: 9,000 ft
Drill Type: Vertical
County: UPTON
District: 7
Operator: ENSOURCE INC.
Completed: 1980-08-18

Operator

Name: ENSOURCE INC
Location: HOUSTON
P-5 Status: Inactive (filed 1990-03-08)
Total Permits: 121