42-383-31664

Final Completion

ROBERTSON-MULHOLLAND

REAGAN County · District 7 · ATLAS OPERATING LLC · SPRABERRY (TREND AREA)

Permits

Max Depth

3,000 ft

First Permit

1980-06-04

Latest Activity

1983-12-06

Lifespan

4 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1982-11-15

Shut-In

—

Plugged

2024-11-11

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

Injection / Disposal

REAGAN County disposal market →

H-1 Injection Plugged 2024-12-30 UIC #000051054 permitted 1983-10-11

Permitted Volume

1,200 bbl/d

Max Pressure

750 psi

Injection Interval

2,355–2,816 ft

Injected (12mo)

—

W-14 Disposal Plugged 2024-12-30 UIC #000045877 permitted 1982-09-21

Permitted Volume

350 bbl/d

Max Pressure

500 psi

Injection Interval

2,293–2,620 ft

Injected (12mo)

—

Monthly injected volume (bbl, from H-10 filings through 2023-11-01)

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.

Formation Tops (1) Elevation 2,753 ft (GR)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
GRAYBURG	2,256 ft	+497 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
2,355–2,620 ft	Perforated
2,355–2,757 ft	Perforated

Casing (5)

Size	Set Depth	Cement
8.625"	720 ft	400 sx
2.375"	2,275 ft	—
2.375"	2,279 ft	—
4.5"	2,860 ft	150 sx
4.5"	2,860 ft	150 sx

Permit History (2)

#222584 Recompletion Final Completion

ROBERTSON-MULHOLLAND · 2,862 ft

1983-12-06

#82968 Drill Final Completion

MULHOLLAND, ROBERTSON · 3,000 ft

1980-06-04

Spud 1980-07-05

Applications (2)

#222584 A ENSOURCE INC.

received 1983-12-01

#82968 A ENSOURCE INC.

received 1980-06-04

Records & Logs

3 completion filings on record.

W-2/G-1 1983-11-08

W-2/G-1 1983-11-16

W-2/G-1 1983-01-11

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 REAGAN County.

Well Details

Well Number: S 1
Max Depth: 3,000 ft
Drill Type: Vertical
County: REAGAN
District: 7
Operator: ATLAS OPERATING LLC
Completed: 1982-11-15

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