42-461-31529

Final Completion

MCDANIELS 36

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

Permits

Max Depth

9,000 ft

First Permit

1979-12-31

Latest Activity

1985-06-18

Lifespan

5 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1985-07-03

Shut-In

—

Plugged

2019-05-01

EWA / Permit operator mismatch

Scheduling: ATLAS OPERATING LLC ≠ Permit: ENSOURCE INC.

Resolved via: scheduling → 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 2010-2020

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 2,750 ft (GR)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
CLEARFORK (Clear Fork)	6,452 ft	-3,702 ft
UPPER SPRABERRY (Spraberry)	7,232 ft	-4,482 ft
LOWER SPRABERRY (Spraberry)	7,676 ft	-4,926 ft
JOMILL	8,080 ft	-5,330 ft
DEAN	8,536 ft	-5,786 ft
WOLFCAMP	8,698 ft	-5,948 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
6,488–6,967 ft	Perforated
7,238–8,694 ft	Perforated

Casing (3)

Size	Set Depth	Cement
8.625"	766 ft	325 sx
2.375"	8,562 ft	—
4.5"	8,860 ft	685 sx

Permit History (2)

#278116 Recompletion Final Completion

MCDANIELS "36" · 7,250 ft

1985-06-18

#67931 Drill Final Completion

MCDANIEL 36 · 9,000 ft

1979-12-31

Spud 1980-02-03

Applications (2)

#278116 A ENSOURCE INC.

received 1985-06-17

#67931 A PALO-PLACER

received 1979-12-31

Records & Logs

3 completion filings on record.

W-2/G-1 1985-07-31

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

W-2/G-1 1980-07-08

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: 1
Max Depth: 9,000 ft
Drill Type: Vertical
County: UPTON
District: 7
Operator: ATLAS OPERATING LLC
Completed: 1985-07-03

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