42-255-36506

Final Completion Horizontal

LUNA UNIT

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

Permits

1

Max Depth

22,000 ft

First Permit

2019-06-14

Latest Activity

2019-06-14

Lifespan

< 1 yr

Regulatory Status

Schedule

OFF SCHEDULE

Completion

2020-03-10

Shut-In

Plugged

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2015-02

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 (10) Elevation 442 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
YEGUA - DISPOSAL (Yegua)1,755 ft-1,313 ft
QUEEN CITY 3,926 ft-3,484 ft
REKLAW 4,359 ft-3,917 ft
CARRIZO 4,909 ft-4,467 ft
WILCOX - DISPOSAL (Wilcox)6,223 ft-5,781 ft
AUSTIN CHALK - H2S (Austin Chalk)11,887 ft-11,445 ft
EAGLE FORD - H2S (Eagle Ford)12,057 ft-11,615 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
42-255-36524 GROSS-ROBERT-LUNA PSA · MARATHON OIL EF LLC
0.0 mi
Queen City 3,926'Reklaw 4,359'Carrizo 4,909'Wilcox 6,223'Austin Chalk 11,811'Eagle Ford 12,002'Yegua Frio Edwards Sligo
42-255-36508 GROSS-ROBERT PSA · MARATHON OIL EF LLC
0.0 mi
Yegua 1,755'Queen City 3,926'Reklaw 4,359'Carrizo 4,909'Wilcox 6,223'Austin Chalk 11,789'Eagle Ford 11,962'Sligo Frio Edwards
42-255-36507 GROSS-MCCLEAN UNIT · MARATHON OIL EF LLC
0.0 mi
Yegua 1,755'Queen City 3,926'Reklaw 4,359'Carrizo 4,909'Wilcox 6,223'Austin Chalk 11,766'Eagle Ford 11,822'Sligo Frio Edwards
42-255-36033 JORDAN UNIT · MARATHON OIL EF LLC
0.4 mi
Yegua 1,681'Queen City 4,013'Reklaw 4,476'Carrizo 4,980'Wilcox 6,304'Austin Chalk 11,736'Eagle Ford 11,903'Frio Sligo Edwards
42-255-36030 JORDAN UNIT · MARATHON OIL EF LLC
0.5 mi
Yegua 1,681'Queen City 4,013'Reklaw 4,476'Carrizo 4,980'Wilcox 6,304'Austin Chalk 11,726'Eagle Ford 11,888'Sligo Frio Edwards
42-255-36027 GROSS-MCLEAN UNIT · MARATHON OIL EF LLC
0.5 mi
Yegua 1,681'Queen City 4,013'Queen City 4,031'Reklaw 4,476'Carrizo 4,980'Wilcox 6,304'Austin Chalk 11,729'Austin Chalk 11,738'Eagle Ford 11,903'Eagle Ford 11,912'Frio Edwards +1 more
42-255-36028 GROSS-MCLEAN UNIT · MARATHON OIL EF LLC
0.5 mi
Yegua 1,681'Queen City 4,013'Reklaw 4,476'Carrizo 4,980'Wilcox 6,304'Austin Chalk 11,729'Eagle Ford 11,903'Frio Edwards Sligo
42-255-36029 FRANSEN UNIT · MARATHON OIL EF LLC
0.5 mi
Yegua 1,681'Queen City 4,013'Reklaw 4,476'Carrizo 4,980'Wilcox 6,304'Austin Chalk 11,745'Eagle Ford 11,922'Sligo Frio 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
12,422–19,359 ftPerforated

Casing (2)

SizeSet DepthCement
9.625"5,989 ft1,482 sx
5.5"19,465 ft3,099 sx

Permit History (1)

Applications (1)

#853937 A MARATHON OIL EF LLC
received 2019-06-06

Records & Logs

5 completion filings on record · 4 with log images at RRC.

W-2/G-1 2023-08-21
W-2/G-1 2023-04-12 log on file
W-2/G-1 2020-04-17 log on file
W-2/G-1 2020-01-10 log on file
W-2/G-1 2019-10-11 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 28.820403
Lon -97.974572

Well Details

Well Number
16H
Max Depth
22,000 ft
Drill Type
Horizontal
County
KARNES
District
2
Completed
2020-03-10

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