42-255-35727

PRODUCING Horizontal

JAUER-POLLOK UNIT

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

Permits

1

Max Depth

20,000 ft

First Permit

2018-01-08

Latest Activity

2018-01-08

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2019-01-27

Shut-In

Plugged

P-5 Org Status: Active

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 (10) Elevation 285 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
YEGUA - DISPOSAL (Yegua)1,237 ft-952 ft
QUEEN CITY 3,097 ft-2,812 ft
REKLAW 3,407 ft-3,122 ft
CARRIZO 4,122 ft-3,837 ft
WILCOX - DISPOSAL (Wilcox)5,309 ft-5,024 ft
AUSTIN CHALK - H2S (Austin Chalk)10,349 ft-10,064 ft
EAGLE FORD - H2S (Eagle Ford)10,612 ft-10,327 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
42-255-35729 JAUER-POLLOK UNIT · MARATHON OIL EF LLC
0.0 mi
Yegua 1,237'Queen City 3,097'Reklaw 3,407'Carrizo 4,122'Wilcox 5,309'Austin Chalk 10,351'Eagle Ford 10,608'Sligo Frio Edwards
42-255-35730 TRIAL-JAUER POLLOK SA UNIT A · MARATHON OIL EF LLC
0.0 mi
Yegua 1,237'Queen City 3,097'Reklaw 3,407'Carrizo 4,122'Wilcox 5,309'Austin Chalk 10,384'Eagle Ford 10,643'Sligo Frio Edwards
42-255-35731 TRIAL-JAUER POLLOK SA UNIT B · MARATHON OIL EF LLC
0.0 mi
Yegua 1,237'Queen City 3,097'Reklaw 3,407'Carrizo 4,122'Wilcox 5,309'Austin Chalk 10,355'Eagle Ford 10,613'Frio Edwards Sligo
42-255-35594 TRIAL UNIT · MARATHON OIL EF LLC
0.0 mi
Yegua 1,237'Queen City 3,097'Reklaw 3,407'Carrizo 4,122'Wilcox 5,309'Austin Chalk 10,405'Eagle Ford 10,675'Edwards Sligo Frio
42-255-36986 JAUER UNIT · MARATHON OIL EF LLC
0.2 mi
Yegua 1,119'Queen City 2,819'Reklaw 3,359'Carrizo 3,844'Wilcox 3,964'Austin Chalk 10,377'Eagle Ford 10,663'Frio Sligo Edwards
42-255-36988 JAUER-JAUER SONKA UNIT SA · MARATHON OIL EF LLC
0.2 mi
Yegua 1,119'Queen City 2,819'Reklaw 3,359'Carrizo 3,844'Wilcox 3,964'Austin Chalk 10,412'Eagle Ford 10,701'Frio Sligo Edwards
42-255-36989 JAUER POLLOK-MOCZYGEMBA JAUER SA · MARATHON OIL EF LLC
0.2 mi
Yegua 1,119'Queen City 2,819'Reklaw 3,359'Carrizo 3,844'Wilcox 3,964'Austin Chalk 10,403'Eagle Ford 10,657'Frio Sligo Edwards
42-255-36024 CRH UNIT AC · MARATHON OIL EF LLC
0.3 mi
Yegua 1,281'Queen City 3,141'Reklaw 3,451'Carrizo 4,166'Wilcox 5,353'Austin Chalk 10,500'Edwards Eagle Ford Frio Sligo

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
10,764–14,134 ftPerforated

Casing (2)

SizeSet DepthCement
9.625"5,032 ft1,690 sx
5.5"14,239 ft1,865 sx

Permit History (1)

Applications (1)

#834402 A MARATHON OIL EF LLC
received 2017-12-19

Records & Logs

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

W-2/G-1 2019-03-06 log on file
W-2/G-1 2018-09-25 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 28.944503
Lon -97.968742

Well Details

Well Number
3H
Max Depth
20,000 ft
Drill Type
Horizontal
County
KARNES
District
2
Completed
2019-01-27

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