42-255-36600

PRODUCING Horizontal

SAN CHRISTOVAL RANCH UNIT G

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

Permits

1

Max Depth

22,000 ft

First Permit

2019-10-23

Latest Activity

2019-10-23

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2020-04-04

Shut-In

Plugged

P-5 Org Status: Active

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2019-12

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 404 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
YEGUA - DISPOSAL (Yegua)1,305 ft-901 ft
QUEEN CITY 3,165 ft-2,761 ft
REKLAW 3,475 ft-3,071 ft
CARRIZO 4,190 ft-3,786 ft
WILCOX - DISPOSAL (Wilcox)5,377 ft-4,973 ft
AUSTIN CHALK - H2S (Austin Chalk)12,122 ft-11,718 ft
EAGLE FORD - H2S (Eagle Ford)12,178 ft-11,774 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
42-255-36601 SAN CHRISTOVAL RANCH UNIT G · MARATHON OIL EF LLC
0.0 mi
Yegua 1,305'Queen City 3,165'Reklaw 3,475'Carrizo 4,190'Wilcox 5,377'Austin Chalk 12,087'Eagle Ford 12,156'Sligo Frio Edwards
42-255-36602 SAN CHRISTOVAL RANCH UNIT G AC · MARATHON OIL EF LLC
0.0 mi
Yegua 1,305'Queen City 3,165'Reklaw 3,475'Carrizo 4,190'Wilcox 5,377'Austin Chalk 12,115'Edwards Eagle Ford Frio Sligo
42-255-36603 SCR G-MOBIL C SA · MARATHON OIL EF LLC
0.0 mi
Yegua 1,684'Queen City 4,007'Wilcox 6,249'Austin Chalk 12,174'Eagle Ford 12,232'Reklaw Carrizo Sligo Frio Edwards
42-255-36344 MOBIL C-D-W.WESTON PSA · MARATHON OIL EF LLC
0.9 mi
Yegua 2,115'Queen City 4,415'Reklaw 4,873'Carrizo 5,529'Wilcox 6,762'Austin Chalk 12,292'Eagle Ford 12,358'Sligo Frio Edwards
42-255-36343 WIEDING-WESTON UNIT · MARATHON OIL EF LLC
0.9 mi
Yegua 1,296'Queen City 4,415'Reklaw 4,873'Carrizo 5,529'Wilcox 6,762'Austin Chalk 12,284'Eagle Ford 12,358'Yegua Sligo Frio Edwards
42-255-36342 WIEDING-WESTON UNIT · MARATHON OIL EF LLC
0.9 mi
Yegua 1,296'Queen City 4,415'Reklaw 4,873'Carrizo 5,529'Wilcox 6,762'Austin Chalk 12,314'Eagle Ford 12,368'Yegua Frio Edwards Sligo
42-297-35916 SAN CHRISTOVAL RANCH UNIT C-G SA · MARATHON OIL EF LLC
0.9 mi
HOCKLEY - DISPOSAL 1,687'Jackson 3,987'Cook Mountain 4,445'Queen City 5,101'Wilcox 6,334'Austin Chalk 11,889'Eagle Ford 11,963'Frio Edwards Sligo
42-255-36341 WIEDING-WESTON UNIT · MARATHON OIL EF LLC
0.9 mi
Yegua 1,296'Queen City 3,429'Reklaw 4,085'Carrizo 4,318'Wilcox 5,737'Austin Chalk 12,250'Eagle Ford 12,374'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
12,429–19,397 ftPerforated

Casing (2)

SizeSet DepthCement
9.625"6,192 ft1,517 sx
5.5"19,397 ft3,157 sx

Permit History (1)

Applications (1)

#857242 A MARATHON OIL EF LLC
received 2019-09-19

Records & Logs

3 completion filings on record · 2 with log images at RRC.

W-2/G-1 2020-04-28 log on file
W-2/G-1 2020-02-15
W-2/G-1 2020-01-28 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 28.718839
Lon -98.032595

Well Details

Well Number
3H
Max Depth
22,000 ft
Drill Type
Horizontal
County
KARNES
District
2
Completed
2020-04-04

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