42-013-36232

PRODUCING Horizontal

GRIFFIN-KRUEGER SA3

ATASCOSA County · District 1 · MARATHON OIL EF LLC · EAGLEVILLE (EAGLE FORD-1)

Permits

1

Max Depth

17,500 ft

First Permit

2025-04-24

Latest Activity

2025-04-24

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2026-01-01

Shut-In

Plugged

P-5 Org Status: Active

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2025-07

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 446 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
QUEEN CITY 2,661 ft-2,215 ft
REKLAW 3,669 ft-3,223 ft
CARRIZO 3,971 ft-3,525 ft
WILCOX - DISPOSAL (Wilcox)4,114 ft-3,668 ft
OLMOS - DISPOSAL (Olmos)8,830 ft-8,384 ft
AUSTIN CHALK - H2S, DISPOSAL (Austin Chalk)10,306 ft-9,860 ft
ANACACHO - H2S (Anacacho)
BARTOSH
ESCONDIDO - H2S, DISPOSAL (Escondido)
NAVARRO - H2S (Navarro)

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
42-013-36231 GRIFFIN-KRUEGER SA2 · MARATHON OIL EF LLC
0.0 mi
Austin Chalk 1,012'Queen City 2,649'Reklaw 3,666'Carrizo 3,954'Wilcox 4,118'Olmos 8,832'Austin Chalk 10,312'Bartosh Anacacho Escondido Navarro
42-013-36233 GRIFFIN-KRUEGER SA4 · MARATHON OIL EF LLC
0.0 mi
Reklaw 2,675'Queen City 2,679'Reklaw 3,675'Carrizo 3,974'Wilcox 4,135'Olmos 8,816'Austin Chalk 10,294'Escondido Bartosh Anacacho Navarro
42-013-36230 GRIFFIN-KRUEGER SA 1 · MARATHON OIL EF LLC
0.0 mi
Queen City 2,661'Reklaw 3,660'Carrizo 3,962'Wilcox 4,098'Olmos 8,826'Austin Chalk 10,310'Navarro Bartosh Anacacho Escondido
42-013-36168 EMMA TARTT TOM #9 · XTO ENERGY INC.
0.3 mi
Queen City 2,603'Reklaw 3,817'Carrizo 3,845'Wilcox 4,603'Bartosh 5,080'Navarro 8,130'Escondido 8,201'Olmos 8,793'Olmos 8,796'Anacacho 10,163'Anacacho 10,164'Austin Chalk 10,292' +1 more
42-013-36167 EMMA TARTT TOM #8 · XTO ENERGY INC.
0.3 mi
Queen City 2,603'Reklaw 3,817'Carrizo 3,845'Wilcox 4,603'Bartosh 5,080'Navarro 8,130'Escondido 8,168'Olmos 8,777'Olmos 8,791'Anacacho 10,161'Austin Chalk 10,290'Austin Chalk 10,292' +1 more
42-013-36166 EMMA TARTT TOM #7 · XTO ENERGY INC.
0.3 mi
Queen City 2,603'Reklaw 3,817'Carrizo 3,845'Carrizo 3,918'Wilcox 4,603'Bartosh 5,080'Navarro 8,130'Escondido 8,206'Olmos 8,781'Olmos 8,783'Anacacho 10,156'Anacacho 10,158' +3 more
42-013-36165 EMMA TARTT TOM #6 · XTO ENERGY INC.
0.3 mi
Queen City 2,603'Reklaw 3,817'Carrizo 3,845'Wilcox 4,603'Bartosh 5,080'Navarro 8,130'Escondido 8,180'Olmos 8,778'Anacacho 10,154'Austin Chalk 10,283'Eagle Ford 10,437'Edwards +2 more
42-013-35513 WSRU ALLOCATION AC · XTO ENERGY INC.
0.3 mi
Queen City 1,660'Bartosh 3,520'Carrizo 3,720'Reklaw 3,790'Navarro 6,150'Wilcox 6,200'Escondido 7,620'Olmos 8,825'Anacacho 10,135'Austin Chalk 10,156'

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
10,627–24,431 ftPerforated

Casing (2)

SizeSet DepthCement
9.625"5,514 ft1,649 sx
5.5"22,474 ft4,563 sx

Permit History (1)

Applications (1)

#907560 A MARATHON OIL EF LLC
received 2025-04-22

Records & Logs

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

W-2/G-1 2026-04-24
W-2/G-1 2025-12-02 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 28.789110
Lon -98.160764

Well Details

Well Number
3H
Max Depth
17,500 ft
Drill Type
Horizontal
County
ATASCOSA
District
1
Completed
2026-01-01

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