42-255-34794

PRODUCING Horizontal

SIENKIEWICZ UNIT AC

KARNES County · District 2 · MARATHON OIL EF LLC · SUGARKANE (AUSTIN CHALK)

RRC Lookup

Permits

Max Depth

19,000 ft

First Permit

2015-11-03

Latest Activity

2015-11-03

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2021-06-10

Shut-In

—

Plugged

—

P-5 Org Status: Active

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

2016-02

Last Production

2026-03

Lease Production

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

Gas

production & DCA →

Permit History (2)

#810807 Drill Final Completion

SIENKIEWICZ UNIT AC · 19,000 ft

2015-11-03

Spud 2020-12-16

#810807 Drill

SIENKIEWICZ UNIT AC · 19,000 ft

2015-11-03

Spud 2016-01-05

Permit Applications (2)

#810807 A MARATHON OIL EF LLC

received 2021-04-15

#810807 A MARATHON OIL EF LLC

received 2015-09-30

Google Maps → Explorer Map →

Lat 28.845333

Lon -97.900567

Well Details

Well Number: 3H
Max Depth: 19,000 ft
Drill Type: Horizontal
County: KARNES
District: 2
Operator: MARATHON OIL EF LLC
Completed: 2021-06-10

Operator

Name: MARATHON OIL EF LLC
Location: HOUSTON
P-5 Status: Y (filed 2025-08-04)
Cum Oil (all leases): 402,810,154 bbl
Cum Gas (all leases): 1,004,946,409 mcf
Activities: CSGD/G, CSGD/P, G/PUR, GTHS/C, GTHS/G, GTHS/O, OPRS/G, OPRS/O
Total Permits: 3,131

External Links

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