42-255-37957

PRODUCING Horizontal

TIPTON-JONAS UNIT

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

Permits

1

Max Depth

22,000 ft

First Permit

2024-01-12

Latest Activity

2024-01-12

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2024-06-11

Shut-In

Plugged

P-5 Org Status: Active

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2012-05

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 (12) Elevation 403 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
QUEEN CITY 2,740 ft-2,337 ft
QUEEN CITY 3,644 ft-3,241 ft
REKLAW 4,205 ft-3,802 ft
CARRIZO 4,710 ft-4,307 ft
WILCOX - DISPOSAL (Wilcox)4,815 ft-4,412 ft
ANACACHO 11,471 ft-11,068 ft
AUSTIN CHALK - H2S (Austin Chalk)11,589 ft-11,186 ft
EAGLE FORD - H2S (Eagle Ford)11,786 ft-11,383 ft
EDWARDS - H2S (Edwards)
FRIO - DISPOSAL (Frio)
SLIGO - H2S (Sligo)
YEGUA - DISPOSAL (Yegua)

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
42-255-37955 TIPTON-JONAS UNIT · MARATHON OIL EF LLC
0.0 mi
Cook Mountain 2,740'Queen City 3,644'Reklaw 4,205'Carrizo 4,710'Wilcox 4,815'Anacacho 11,423'Austin Chalk 11,574'Eagle Ford 11,759'Edwards Sligo Frio Yegua
42-255-37956 TIPTON-JONAS UNIT · MARATHON OIL EF LLC
0.0 mi
Queen City 3,644'Reklaw 4,205'Carrizo 4,710'Wilcox 4,815'Austin Chalk 11,556'Eagle Ford 11,748'Frio Sligo Yegua Edwards
42-255-36406 HOLLAND BROWN-ADAMS TIPTON PSA · MARATHON OIL EF LLC
0.0 mi
Yegua 1,672'Queen City 3,796'Reklaw 4,293'Carrizo 4,931'Wilcox 6,246'Austin Chalk 11,541'Eagle Ford 11,744'Sligo Frio Edwards
42-255-36381 ADAMS-TIPTON UNIT · MARATHON OIL EF LLC
0.0 mi
Yegua 1,672'Queen City 3,796'Reklaw 4,293'Carrizo 4,931'Wilcox 6,246'Austin Chalk 11,539'Eagle Ford 11,749'Sligo Frio Edwards
42-255-36382 ADAMS-TIPTON UNIT · MARATHON OIL EF LLC
0.0 mi
Yegua 1,672'Queen City 3,796'Reklaw 4,293'Carrizo 4,931'Wilcox 6,246'Austin Chalk 11,550'Eagle Ford 11,755'Frio Sligo Edwards
42-255-36380 ADAMS-TIPTON UNIT · MARATHON OIL EF LLC
0.0 mi
Queen City 379'Yegua 1,672'Queen City 3,796'Reklaw 4,293'Carrizo 4,931'Wilcox 6,246'Austin Chalk 11,560'Eagle Ford 11,776'Frio Edwards Sligo
42-255-36758 HOLLAND-OPIELA UNIT · MARATHON OIL EF LLC
0.4 mi
Yegua 1,596'Queen City 3,719'Reklaw 4,216'Carrizo 4,855'Wilcox 6,169'Austin Chalk 11,495'Eagle Ford 11,691'Frio Sligo Edwards
42-255-36759 HOLLAND-OPIELA UNIT · MARATHON OIL EF LLC
0.4 mi
Yegua 1,596'Queen City 3,719'Reklaw 4,216'Carrizo 4,855'Wilcox 6,169'Austin Chalk 11,513'Eagle Ford 11,704'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
12,210–18,146 ftPerforated

Casing (2)

SizeSet DepthCement
9.625"6,015 ft1,425 sx
5.5"18,146 ft2,675 sx

Permit History (1)

Applications (1)

#896486 A MARATHON OIL EF LLC
received 2024-01-11

Records & Logs

2 completion filings on record · 1 with log images at RRC.

W-2/G-1 2024-07-30
W-2/G-1 2024-04-10 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 28.852883
Lon -97.975469

Well Details

Well Number
505H
Max Depth
22,000 ft
Drill Type
Horizontal
County
KARNES
District
2
Completed
2024-06-11

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