42-013-36203

PRODUCING Horizontal

R. MAY A

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

Permits

1

Max Depth

22,000 ft

First Permit

2024-10-31

Latest Activity

2024-10-31

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2025-11-03

Shut-In

Plugged

P-5 Org Status: Active

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2012-06

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 287 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
QUEEN CITY 2,494 ft-2,207 ft
REKLAW 3,274 ft-2,987 ft
CARRIZO 3,913 ft-3,626 ft
WILCOX - DISPOSAL (Wilcox)4,006 ft-3,719 ft
ANACACHO - H2S (Anacacho)10,469 ft-10,182 ft
AUSTIN CHALK - H2S, DISPOSAL (Austin Chalk)10,678 ft-10,391 ft
BARTOSH
ESCONDIDO - H2S, DISPOSAL (Escondido)
NAVARRO - H2S (Navarro)
OLMOS - DISPOSAL (Olmos)

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
42-013-36204 R MAY A-SCHROEDER CHAPMAN SA1 · MARATHON OIL EF LLC
0.0 mi
Queen City 2,494'Reklaw 3,274'Carrizo 3,913'Wilcox 4,006'Anacacho 10,471'Austin Chalk 10,680'Bartosh Escondido Olmos Navarro
42-013-36205 R MAY A-MAY GIRLS CHAPMAN SA2 · MARATHON OIL EF LLC
0.0 mi
Reklaw 3,274'Carrizo 3,913'Wilcox 4,006'Anacacho 10,399'Austin Chalk 10,599'Bartosh Escondido Olmos Queen City Navarro
42-013-36134 MAY GIRLS · MARATHON OIL EF LLC
1.2 mi
Queen City 2,725'Reklaw 3,437'Carrizo 4,095'Wilcox 4,200'Anacacho 10,658'Austin Chalk 10,860'Escondido Olmos Bartosh Navarro
42-013-36135 MAY GIRLS · MARATHON OIL EF LLC
1.2 mi
Queen City 2,725'Reklaw 3,437'Carrizo 4,095'Wilcox 4,200'Anacacho 10,654'Austin Chalk 10,858'Navarro Bartosh Escondido Olmos
42-013-35722 BROS UNIT · MURPHY EXPL. & PROD. CO. - USA
1.2 mi
Queen City 1,660'Bartosh 3,520'Carrizo 3,720'Reklaw 3,790'Wilcox 6,733'Midway 7,177'Escondido 7,620'Navarro 8,124'Anacacho 8,200'Olmos 8,742'
42-013-35723 BROS UNIT · MURPHY EXPL. & PROD. CO. - USA
1.2 mi
Queen City 1,660'Bartosh 3,520'Carrizo 3,720'Reklaw 3,790'Wilcox 6,721'Escondido 7,620'Navarro 8,135'Anacacho 8,200'Olmos 8,741'Austin Chalk 10,090'
42-013-35724 BROS UNIT · MURPHY EXPL. & PROD. CO. - USA
1.2 mi
Queen City 1,660'Bartosh 3,520'Carrizo 3,720'Reklaw 3,790'Wilcox 6,716'Midway 7,154'Escondido 7,620'Navarro 8,149'Anacacho 8,200'Olmos 8,815'
42-013-35709 TOM-SMITH UNIT A · MARATHON OIL EF LLC
1.2 mi
Queen City 2,901'Reklaw 3,216'Bartosh 3,498'Carrizo 3,876'Wilcox 5,252'Navarro 8,382'Olmos 8,952'Anacacho 10,430'Austin Chalk 10,628'Eagle Ford 10,781'Escondido

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
11,112–17,103 ftPerforated

Casing (2)

SizeSet DepthCement
9.625"5,315 ft1,676 sx
5.5"17,087 ft2,619 sx

Permit History (1)

Applications (1)

#903674 A MARATHON OIL EF LLC
received 2024-10-30

Records & Logs

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

W-2/G-1 2026-03-17
W-2/G-1 2025-08-05 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 28.713400
Lon -98.240273

Well Details

Well Number
13H
Max Depth
22,000 ft
Drill Type
Horizontal
County
ATASCOSA
District
1
Completed
2025-11-03

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