42-255-37792

PRODUCING Horizontal

TURNBULL UNIT A-E SA2

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

Permits

1

Max Depth

22,000 ft

First Permit

2023-05-26

Latest Activity

2023-05-26

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2024-05-23

Shut-In

Plugged

P-5 Org Status: Active

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2023-08

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 (12) Elevation 399 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
AUSTIN CHALK - H2S (Austin Chalk)1,113 ft-714 ft
QUEEN CITY 3,557 ft-3,158 ft
REKLAW 4,214 ft-3,815 ft
CARRIZO 4,447 ft-4,048 ft
WILCOX - DISPOSAL (Wilcox)5,866 ft-5,467 ft
ANACACHO 10,979 ft-10,580 ft
AUSTIN CHALK - H2S (Austin Chalk)11,130 ft-10,731 ft
EAGLE FORD - H2S (Eagle Ford)11,313 ft-10,914 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
42-255-37793 TURNBULL UNIT A E-R. GRANDE SA3 · MARATHON OIL EF LLC
0.0 mi
Queen City 3,557'Reklaw 4,214'Carrizo 4,447'Wilcox 5,866'Anacacho 10,962'Austin Chalk 11,111'Austin Chalk 11,122'Eagle Ford 11,287'Eagle Ford 11,302'Frio Edwards Yegua +1 more
42-255-37794 TURNBULL A-D-E-R. GRANDE SA4 · MARATHON OIL EF LLC
0.0 mi
Austin Chalk 1,111'Queen City 3,557'Reklaw 4,214'Carrizo 4,447'Wilcox 5,866'Anacacho 10,955'Austin Chalk 11,111'Eagle Ford 11,287'Sligo Frio Yegua Edwards
42-255-37795 TURNBULL UNIT A-D-R. GRANDE SA5 · MARATHON OIL EF LLC
0.0 mi
Queen City 3,557'Reklaw 4,214'Carrizo 4,447'Wilcox 5,866'Austin Chalk 11,106'Eagle Ford 11,276'Yegua Frio Edwards Sligo
42-255-36640 TURNBULL UNIT E · MARATHON OIL EF LLC
0.4 mi
Yegua 1,409'Queen City 3,547'Reklaw 4,272'Reklaw 4,274'Carrizo 4,597'Wilcox 6,191'Austin Chalk 11,139'Eagle Ford 11,319'Frio Edwards Sligo
42-255-36641 TURNBULL UNIT E · MARATHON OIL EF LLC
0.4 mi
Yegua 1,409'Queen City 3,547'Reklaw 4,274'Carrizo 4,597'Wilcox 6,191'Austin Chalk 11,153'Eagle Ford 11,329'Sligo Edwards Frio
42-255-36642 TURNBULL UNIT E · MARATHON OIL EF LLC
0.4 mi
Yegua 1,409'Queen City 3,547'Reklaw 4,274'Carrizo 4,597'Wilcox 6,191'Austin Chalk 11,168'Eagle Ford 11,332'Frio Sligo Edwards
42-255-32425 AHLSTROM UNIT B · VERDUN OIL & GAS LLC
0.5 mi
Pecan Gap 10,893'Austin Chalk 11,066'Eagle Ford 11,194'
42-255-31986 AHLSTROM UNIT A · VERDUN OIL & GAS LLC
0.6 mi
Austin Chalk 11,071'Eagle Ford 11,193'Pecan Gap 11,904'

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
11,611–18,071 ftPerforated

Casing (2)

SizeSet DepthCement
9.625"5,595 ft1,363 sx
5.5"18,071 ft2,888 sx

Permit History (1)

Applications (1)

#890724 A MARATHON OIL EF LLC
received 2023-05-17

Records & Logs

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

W-2/G-1 2024-08-02
W-2/G-1 2024-03-11
W-2/G-1 2023-11-28 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 28.804278
Lon -98.049242

Well Details

Well Number
2H
Max Depth
22,000 ft
Drill Type
Horizontal
County
KARNES
District
2
Completed
2024-05-23

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