42-013-36135

PRODUCING Horizontal

MAY GIRLS

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

Permits

1

Max Depth

18,000 ft

First Permit

2024-02-08

Latest Activity

2024-02-08

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2024-05-22

Shut-In

Plugged

P-5 Org Status: Active

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2012-12

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 342 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
QUEEN CITY 2,725 ft-2,383 ft
REKLAW 3,437 ft-3,095 ft
CARRIZO 4,095 ft-3,753 ft
WILCOX - DISPOSAL (Wilcox)4,200 ft-3,858 ft
ANACACHO - H2S (Anacacho)10,654 ft-10,312 ft
AUSTIN CHALK - H2S, DISPOSAL (Austin Chalk)10,858 ft-10,516 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
42-013-36134 MAY GIRLS · MARATHON OIL EF LLC
0.0 mi
Queen City 2,725'Reklaw 3,437'Carrizo 4,095'Wilcox 4,200'Anacacho 10,658'Austin Chalk 10,860'Escondido Bartosh Olmos Navarro
42-013-35836 SCHROEDER-CHAPMAN UNIT · MARATHON OIL EF LLC
0.6 mi
Queen City 2,741'Reklaw 3,280'Carrizo 4,130'Wilcox 4,231'Anacacho 10,741'Austin Chalk 10,951'Olmos Escondido Bartosh Navarro
42-013-35838 R. MAY A · MARATHON OIL EF LLC
0.6 mi
Queen City 2,741'Reklaw 3,280'Carrizo 4,130'Wilcox 4,231'Anacacho 10,753'Austin Chalk 10,958'Escondido Olmos Bartosh Navarro
42-013-35839 R. MAY A · MARATHON OIL EF LLC
0.6 mi
Queen City 2,714'Queen City 2,741'Reklaw 3,280'Carrizo 4,130'Wilcox 4,231'Anacacho 10,748'Austin Chalk 10,949'Navarro Bartosh Escondido Olmos
42-013-35837 SCHROEDER-CHAPMAN UNIT · MARATHON OIL EF LLC
0.6 mi
Queen City 2,741'Reklaw 3,280'Carrizo 4,130'Wilcox 4,231'Anacacho 10,728'Austin Chalk 10,933'Olmos Bartosh Escondido Navarro
42-013-35709 TOM-SMITH UNIT A · MARATHON OIL EF LLC
1.0 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
42-013-35713 WILHELM-SMITH UNIT B · MARATHON OIL EF LLC
1.0 mi
Queen City 2,901'Reklaw 3,216'Bartosh 3,498'Carrizo 3,876'Wilcox 5,252'Navarro 8,382'Olmos 8,952'Anacacho 10,411'Austin Chalk 10,611'Escondido
42-013-36205 R MAY A-MAY GIRLS CHAPMAN SA2 · MARATHON OIL EF LLC
1.2 mi
Reklaw 3,274'Carrizo 3,913'Wilcox 4,006'Anacacho 10,399'Austin Chalk 10,599'Navarro Bartosh Escondido Olmos Queen City

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
11,304–17,060 ftPerforated

Casing (2)

SizeSet DepthCement
9.625"5,386 ft1,321 sx
5.5"17,057 ft2,932 sx

Permit History (1)

Applications (1)

#897137 A MARATHON OIL EF LLC
received 2024-02-06

Records & Logs

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

W-2/G-1 2024-07-23 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 28.709178
Lon -98.221653

Well Details

Well Number
5H
Max Depth
18,000 ft
Drill Type
Horizontal
County
ATASCOSA
District
1
Completed
2024-05-22

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