42-431-30708

Final Completion

FOSTER R. T. JR. 28

STERLING County · District 8 · ARCH OIL & GAS LLC · CONGER SW (WOLFCAMP)

RRC Lookup

Permits

Max Depth

8,000 ft

First Permit

1978-08-22

Latest Activity

2009-10-20

Lifespan

31 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

2009-10-16

Shut-In

—

Plugged

—

EWA / Permit operator mismatch

Scheduling: ARCH OIL & GAS LLC ≠ Permit: LEGACY RESERVES OPERATING LP

Resolved via: scheduling → ARCH OIL & GAS LLC

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-03

Operator History

Chain of Custody

MARATHON OIL COMPANY 1993-1999→ BROTHERS PRODUCTION COMPANY INC. 1999-2006→ LEGACY RESERVES OPERATING LP 2006-2016→ REMNANT OIL OPERATING, LLC 2016-2016→ 7S OIL & GAS, LLC 2016-2017→ ARCH OIL & GAS, LLC 2017-2018

Lease Production

Production is reported at the lease level. View production data, decline curves, and history on the lease page.

Permit History (2)

#686339 Recompletion Final Completion

FOSTER, R. T. JR. 28 · 8,000 ft

2009-10-20

Spud 2009-09-11

#31108 Drill

FOSTER, R. T., JR. "28" · 8,000 ft

1978-08-22

Spud 1978-09-29

Permit Applications (2)

#686339 A LEGACY RESERVES OPERATING LP

received 2009-10-20

#31108 A MARATHON OIL COMPANY

received 1978-08-22

Well Details

Well Number: 4
Max Depth: 8,000 ft
Drill Type: Vertical
County: STERLING
District: 8
Operator: ARCH OIL & GAS LLC
Completed: 2009-10-16

Operator

Name: ARCH OIL & GAS, LLC
Location: ENNIS
P-5 Status: Y (filed 2026-02-04)
Cum Oil (all leases): 319,825 bbl
Cum Gas (all leases): 637,203 mcf
Activities: OPRS/G, OPRS/O

External Links

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