42-255-36644

PRODUCING Horizontal

HAVEMAN TRUST 01

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

Permits

1

Max Depth

25,000 ft

First Permit

2019-10-25

Latest Activity

2019-10-25

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2020-03-20

Shut-In

Plugged

P-5 Org Status: Active

!

EWA / Permit operator mismatch

Scheduling: MARATHON OIL EF LLC ≠ Permit: ENSIGN OPERATING LLC

Resolved via: productionMARATHON OIL EF LLC

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2020-02

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 327 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
YEGUA - DISPOSAL (Yegua)2,856 ft-2,529 ft
QUEEN CITY 5,347 ft-5,020 ft
REKLAW 5,735 ft-5,408 ft
CARRIZO 5,952 ft-5,625 ft
WILCOX - DISPOSAL (Wilcox)5,952 ft-5,625 ft
AUSTIN CHALK - H2S (Austin Chalk)12,949 ft-12,622 ft
EAGLE FORD - H2S (Eagle Ford)13,124 ft-12,797 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
42-255-36645 HAVEMAN TRUST 01 · ENSIGN OPERATING LLC
0.0 mi
Yegua 2,856'Queen City 5,330'Reklaw 5,709'Carrizo 5,950'Wilcox 5,950'Austin Chalk 12,950'Eagle Ford 13,125'Sligo Frio Edwards
42-255-36647 HAVEMAN TRUST 01 · ENSIGN OPERATING LLC
0.0 mi
Yegua 2,856'Queen City 5,330'Reklaw 5,709'Carrizo 5,950'Wilcox 5,950'Austin Chalk 12,950'Eagle Ford 13,210'Sligo Frio Edwards
42-255-36655 HAVEMAN TRUST - H 01 · ENSIGN OPERATING LLC
0.0 mi
Yegua 2,769'Queen City 5,334'Reklaw 5,714'Wilcox 6,011'Austin Chalk 12,734'Eagle Ford 13,126'Carrizo Sligo Frio Edwards
42-255-36798 HAVEMAN TRUST 01 · ENSIGN OPERATING LLC
0.0 mi
Yegua 2,856'Queen City 5,353'Reklaw 5,739'Carrizo 5,982'Wilcox 5,982'Austin Chalk 12,915'Eagle Ford 13,087'Frio Edwards Sligo
42-255-36656 HAVEMAN TRUST - H 01 · ENSIGN OPERATING LLC
0.0 mi
Reklaw Austin Chalk Carrizo Sligo Frio Queen City Yegua Wilcox Edwards Eagle Ford
42-255-37198 HAVEMAN TRUST 01 - H01 E · ENSIGN OPERATING LLC
0.1 mi
Queen City 5,341'Reklaw 5,749'Carrizo 6,005'Wilcox 6,005'Austin Chalk 12,937'Eagle Ford 13,106'Yegua Sligo Frio Edwards
42-255-37199 HAVEMAN TRUST 01 - H01 D · ENSIGN OPERATING LLC
0.1 mi
Queen City 5,337'Reklaw 5,751'Carrizo 6,034'Wilcox 6,034'Austin Chalk 12,978'Eagle Ford 13,109'Yegua Frio Edwards Sligo
42-255-37200 HAVEMAN TRUST 01 - H01 C · ENSIGN OPERATING LLC
0.1 mi
Queen City 5,343'Reklaw 5,749'Carrizo 5,991'Wilcox 5,991'Austin Chalk 12,915'Eagle Ford 13,088'Frio Yegua Sligo 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
13,543–20,064 ftPerforated

Casing (2)

SizeSet DepthCement
9.625"4,085 ft1,538 sx
5.5"20,230 ft4,313 sx

Permit History (1)

Applications (1)

#858141 A ENSIGN OPERATING LLC
received 2019-10-17

Records & Logs

1 completion filing on record · 1 with log images at RRC.

W-2/G-1 2020-04-21 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 28.852560
Lon -97.791920

Well Details

Well Number
3H
Max Depth
25,000 ft
Drill Type
Horizontal
County
KARNES
District
2
Completed
2020-03-20

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