42-297-36092

Final Completion Horizontal

SAN CHRISTOVAL RANCH UNIT A

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

Permits

1

Max Depth

22,000 ft

First Permit

2020-07-22

Latest Activity

2020-07-22

Lifespan

< 1 yr

Regulatory Status

Schedule

OFF SCHEDULE

Completion

2021-06-05

Shut-In

Plugged

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2014-04

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 (13) Elevation 395 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
HOCKLEY507 ft-112 ft
HOCKLEY - DISPOSAL507 ft-112 ft
JACKSON-YEGUA (Jackson)1,130 ft-735 ft
JACKSON-YEGUA - DISPOSAL (Jackson)1,130 ft-735 ft
COOK MOUNTAIN 2,176 ft-1,781 ft
QUEEN CITY 3,369 ft-2,974 ft
WILCOX 5,693 ft-5,298 ft
AUSTIN CHALK 11,167 ft-10,772 ft
EAGLE FORD - H2S (Eagle Ford)11,286 ft-10,891 ft
EDWARDS - H2S (Edwards)
FRIO
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
42-297-36091 SAN CHRISTOVAL RANCH UNIT A · MARATHON OIL EF LLC
0.0 mi
HOCKLEY - DISPOSAL 507'Jackson 1,130'Cook Mountain 2,176'Queen City 3,369'Wilcox 5,693'Austin Chalk 11,170'Eagle Ford 11,287'Frio Edwards Sligo
42-297-36090 SAN CHRISTOVAL RANCH UNIT A · MARATHON OIL EF LLC
0.0 mi
HOCKLEY - DISPOSAL 507'Jackson 1,130'Cook Mountain 2,176'Queen City 3,369'Wilcox 5,693'Austin Chalk 11,181'Eagle Ford 11,308'Sligo Frio Edwards
42-297-35942 GASKIN · VERDUN OIL & GAS LLC
1.0 mi
Austin Chalk 10,992'Eagle Ford 11,127'HOCKLEY - DISPOSAL Sligo Cook Mountain Queen City Jackson Frio Edwards Wilcox
42-297-35941 GASKIN · VERDUN OIL & GAS LLC
1.0 mi
Wilcox 6,203'Austin Chalk 10,972'Eagle Ford 11,115'Frio Queen City Sligo Edwards Cook Mountain HOCKLEY - DISPOSAL Jackson
42-297-35955 SOLIZ UNIT A · VERDUN OIL & GAS LLC
1.0 mi
Wilcox 6,270'Austin Chalk 10,985'Eagle Ford 11,137'Frio Queen City HOCKLEY - DISPOSAL Edwards Sligo Cook Mountain Jackson
42-297-35956 SOLIZ UNIT A · VERDUN OIL & GAS LLC
1.0 mi
Wilcox 6,250'Austin Chalk 10,996'Eagle Ford 11,123'Jackson Frio Queen City Edwards HOCKLEY - DISPOSAL Sligo Cook Mountain
42-297-35957 SOLIZ UNIT A · VERDUN OIL & GAS LLC
1.0 mi
Wilcox 6,397'Austin Chalk 11,017'Eagle Ford 11,139'Queen City HOCKLEY - DISPOSAL Sligo Cook Mountain Jackson Frio Edwards
42-297-35958 SOLIZ UNIT A · VERDUN OIL & GAS LLC
1.0 mi
Wilcox 6,789'Austin Chalk 11,025'Eagle Ford 11,164'Eagle Ford 11,198'Frio HOCKLEY - DISPOSAL Edwards Queen City Sligo Cook Mountain Jackson

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
11,602–17,533 ftPerforated

Casing (3)

SizeSet DepthCement
9.625"5,704 ft1,680 sx
9.625"5,757 ft1,680 sx
5.5"17,533 ft3,141 sx

Permit History (1)

Applications (1)

#864341 A MARATHON OIL EF LLC
received 2020-07-20

Records & Logs

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

W-2/G-1 2023-08-31 log on file
W-2/G-1 2021-06-30
W-2/G-1 2021-03-18 log on file
W-2/G-1 2020-12-10 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 28.753449
Lon -98.088776

Well Details

Well Number
12H
Max Depth
22,000 ft
Drill Type
Horizontal
County
LIVE OAK
District
2
Completed
2021-06-05

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