42-255-37742

Final Completion Horizontal

HEMBY UNIT B

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

Permits

1

Max Depth

24,000 ft

First Permit

2023-03-14

Latest Activity

2023-03-14

Lifespan

< 1 yr

Regulatory Status

Schedule

OFF SCHEDULE

Completion

2023-04-24

Shut-In

Plugged

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2012-08

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 322 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
COOK MOUNTAIN 3,274 ft-2,952 ft
SPARTA 3,986 ft-3,664 ft
QUEEN CITY 4,369 ft-4,047 ft
REKLAW 4,787 ft-4,465 ft
CARRIZO 5,803 ft-5,481 ft
WILCOX - DISPOSAL (Wilcox)5,932 ft-5,610 ft
ANACACHO 12,340 ft-12,018 ft
AUSTIN CHALK - H2S (Austin Chalk)12,483 ft-12,161 ft
EAGLE FORD - H2S (Eagle Ford)12,650 ft-12,328 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
42-255-37739 HEMBY UNIT B · MARATHON OIL EF LLC
0.0 mi
Cook Mountain 3,274'Sparta 3,986'Queen City 4,369'Reklaw 4,787'Carrizo 5,803'Wilcox 5,932'Anacacho 12,334'Austin Chalk 12,476'Frio Yegua
42-255-38070 KOSUB UNIT · DEVON ENERGY PRODUCTION CO, L.P.
1.1 mi
Frio 2,353'Yegua 3,347'Queen City 4,431'Reklaw 4,866'Carrizo 5,415'Wilcox 5,633'Midway 8,753'Austin Chalk 12,486'Eagle Ford 12,597'Edwards
42-255-38072 MCALISTER - KOSUB SA A · DEVON ENERGY PRODUCTION CO, L.P.
1.1 mi
Frio 2,349'Yegua 3,343'Queen City 4,424'Reklaw 4,865'Carrizo 5,415'Wilcox 5,629'Midway 8,740'Austin Chalk 12,486'Eagle Ford 12,606'Sligo Edwards
42-255-38073 MCALISTER UNIT · DEVON ENERGY PRODUCTION CO, L.P.
1.1 mi
Frio 2,364'Yegua 3,357'Queen City 4,443'Reklaw 4,887'Carrizo 5,425'Wilcox 5,643'Midway 8,738'Austin Chalk 12,492'Eagle Ford 12,595'Edwards
42-255-38071 MCALISTER UNIT · DEVON ENERGY PRODUCTION CO, L.P.
1.1 mi
Frio 2,358'Yegua 3,351'Queen City 4,434'Reklaw 4,881'Carrizo 5,415'Wilcox 5,637'Midway 8,741'Austin Chalk 12,520'Eagle Ford 12,618'Sligo Edwards
42-255-35732 MCALISTER UNIT · ENCANA OIL & GAS(USA) INC.
1.4 mi
Yegua 2,199'Queen City 4,487'Reklaw 4,777'Carrizo 5,291'Wilcox 7,356'Austin Chalk 12,411'Eagle Ford 12,537'Frio Sligo Edwards
42-255-35733 MCALISTER UNIT · ENCANA OIL & GAS(USA) INC.
1.4 mi
Yegua 2,205'Queen City 4,501'Reklaw 4,791'Carrizo 5,306'Wilcox 7,392'Austin Chalk 12,428'Eagle Ford 12,551'Frio Sligo Edwards
42-255-37887 MCALISTER UNIT · DEVON ENERGY PRODUCTION CO, L.P.
1.4 mi
Frio 2,173'Yegua 3,157'Queen City 4,249'Reklaw 4,700'Carrizo 5,281'Wilcox 5,465'Austin Chalk 12,420'Eagle Ford 12,557'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
13,252–20,301 ftPerforated

Casing (3)

SizeSet DepthCement
9.625"585 ft1,402 sx
9.625"5,855 ft1,402 sx
6"20,301 ft3,320 sx

Permit History (1)

Applications (1)

#888985 A MARATHON OIL EF LLC
received 2023-03-13

Records & Logs

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

W-2/G-1 2024-04-22 log on file
W-2/G-1 2023-10-16
W-2/G-1 2023-09-08 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 28.832681
Lon -97.874169

Well Details

Well Number
6H
Max Depth
24,000 ft
Drill Type
Horizontal
County
KARNES
District
2
Completed
2023-04-24

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