42-255-36562

PRODUCING Horizontal

RIPPSTEIN-MIKKELSON UNIT

KARNES County · District 2 · MARATHON OIL EF LLC · EAGLEVILLE (EAGLE FORD-2)

Permits

1

Max Depth

22,000 ft

First Permit

2019-08-23

Latest Activity

2019-08-23

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2020-03-09

Shut-In

Plugged

P-5 Org Status: Active

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2011-09

Last Production

2026-07

Lease Production

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

Formation Tops (11) Elevation 333 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
YEGUA - DISPOSAL (Yegua)1,981 ft-1,648 ft
QUEEN CITY 3,996 ft-3,663 ft
REKLAW 4,332 ft-3,999 ft
CARRIZO 5,127 ft-4,794 ft
WILCOX - DISPOSAL (Wilcox)6,377 ft-6,044 ft
AUSTIN CHALK - H2S (Austin Chalk)11,442 ft-11,109 ft
EAGLE FORD - H2S (Eagle Ford)11,666 ft-11,333 ft
EAGLE FORD - H2S (Eagle Ford)11,667 ft-11,334 ft
EDWARDS - H2S (Edwards)
FRIO - DISPOSAL (Frio)
SLIGO - H2S (Sligo)

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 ↗

Offset Well Tops (nearest 8 wells with tops)

What nearby completed wells reported.

Cross-section
42-255-36561 RIPPSTEIN-MIKKELSON UNIT · MARATHON OIL EF LLC
0.0 mi
Yegua 1,981'Queen City 3,996'Reklaw 4,332'Carrizo 5,127'Wilcox 6,377'Austin Chalk 11,459'Eagle Ford 11,684'Sligo Frio Edwards
42-255-36563 RSW-MIKKELSON-ROGERS SA · MARATHON OIL EF LLC
0.0 mi
Yegua 1,981'Queen City 3,996'Reklaw 4,332'Carrizo 5,127'Wilcox 6,377'Austin Chalk 11,438'Eagle Ford 11,661'Sligo Frio Edwards
42-255-36376 SPAHN-MIKKELSON UNIT · MARATHON OIL EF LLC
0.3 mi
Yegua 1,625'Queen City 3,796'Reklaw 4,230'Carrizo 4,779'Wilcox 6,093'Austin Chalk 11,560'Eagle Ford 11,801'Frio Sligo Edwards
42-255-36375 SPAHN-MIKKELSON UNIT · MARATHON OIL EF LLC
0.3 mi
Yegua 1,625'Queen City 3,796'Reklaw 4,230'Carrizo 4,779'Wilcox 6,093'Austin Chalk 11,545'Eagle Ford 11,768'Frio Sligo Edwards
42-255-36373 CARTER UNIT · MARATHON OIL EF LLC
0.3 mi
Yegua 1,625'Queen City 3,796'Reklaw 4,230'Carrizo 4,779'Wilcox 6,093'Austin Chalk 11,575'Eagle Ford 11,789'Frio Sligo Edwards
42-255-36374 CARTER UNIT · MARATHON OIL EF LLC
0.3 mi
Yegua 1,625'Queen City 3,796'Reklaw 4,230'Carrizo 4,779'Wilcox 6,093'Austin Chalk 11,591'Eagle Ford 11,817'Frio Sligo Edwards
42-255-36978 RIPPSTEIN-GOTTHARDT UNIT · MARATHON OIL EF LLC
0.6 mi
Yegua 1,702'Queen City 3,647'Reklaw 4,147'Carrizo 4,722'Wilcox 4,772'Austin Chalk 11,359'Eagle Ford 11,445'Eagle Ford 11,570'Frio Edwards Sligo
42-255-36909 S.BUSSELMAN-R.MIKKELSON SA · MARATHON OIL EF LLC
0.6 mi
Yegua 1,702'Queen City 3,647'Reklaw 4,147'Carrizo 4,722'Wilcox 4,772'Austin Chalk 11,373'Eagle Ford 11,600'Frio Sligo Edwards

Nearest wells within 10 mi (surface locations). Click wells to select them, then open the cross-section to compare tops side by side (max 6 wells per section, including this one).

Perforations (1)

IntervalType
11,843–16,634 ftPerforated

Casing (2)

SizeSet DepthCement
9.625"5,651 ft1,388 sx
5.5"16,741 ft2,586 sx

Permit History (1)

Applications (1)

#856408 A MARATHON OIL EF LLC
received 2019-08-20

Records & Logs

3 completion filings on record · 3 with log images at RRC.

W-2/G-1 2020-04-12 log on file
W-2/G-1 2020-01-22 log on file
W-2/G-1 2019-12-13 log on file

Completion packets open directly (post-2011 filings include attached logs). Log images can't be deep-linked — clicking copies the API for you to paste.

Lat 28.887111
Lon -97.939683

Well Details

Well Number
2H
Max Depth
22,000 ft
Drill Type
Horizontal
County
KARNES
District
2
Completed
2020-03-09

Operator

Location
HOUSTON
P-5 Status
Active (filed 2025-09-26)
Cum Oil (all leases)
409,189,156 bbl
Cum Gas (all leases)
1,029,735,602 mcf
Activities
CSGD/G, CSGD/P, G/PUR, GTHS/C, GTHS/G, GTHS/O, OPRS/G, OPRS/O
Total Permits
3,173