WELL · 42-013-36135 · DISTRICT 1

May Girls #5H

Y

Atascosa County · Eagleville (Eagle Ford-1) field · Producing  · Horizontal

May Girls #5H (API 42-013-36135) is a horizontal well in Atascosa County operated by Marathon Oil EF LLC, completed May 22, 2024 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit, issued February 8, 2024, permitted to 18,000 ft.

Completion filings report 10 formation tops, including Queen City, Reklaw, Carrizo, Wilcox.

Its lease has reported 972K barrels of oil and 1.06M mcf of gas since December 2012, last reporting in July 2026. The lease carries 5 wells, so these are lease totals, not this well alone.

Operator of record

Marathon Oil EF LLC

Based in
Houston, TX
P-5 status
Active (A)
P-5 last filed
Sep 26, 2025
Permits on file
3,191
Phone
(832) 486-2737

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleMarathon Oil EF LLC
Production reportsMarathon Oil EF LLCthrough Apr 2026
Latest permitMarathon Oil EF LLCFeb 8, 2024
18,000
total depth, ft
1
permits on file
Feb 8, 2024
last permit issued
May 22, 2024
completed
972K
cumulative oil, bbl
1.06M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Dec 2012 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
May 22, 2024
Shut in
—
Plugged
—

Operator's P-5 on the schedule: Active (A)

Surface location

28.709178, -98.221653

Google Maps ↗

Permit surface location from the RRC GIS record, in Atascosa County.

Lease production

PDQ LEASE REPORTS · REPORTED THROUGH APR 2026

Texas reports oil by lease, not by well. These are the lease this well is completed on; they carry 5 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
May Girls O-1-16413Eagleville (Eagle Ford-1)Marathon Oil EF LLC5972K1.06MDec 2012 – Jul 2026

Oil, barrels lease total

Last 12 months 47,439 · prior 12 242,969(-80%)

020K40K60K202420252026

Gas, mcf lease total

Last 12 months 46,148 · prior 12 308,915(-85%)

020K40K60K202420252026

Chain of custody

Every operator that reported production on this well's lease, in order.

  1. 1Marathon Oil EF LLCJan 2013 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
897137-99DrillMarathon Oil EF LLCFeb 6, 2024Feb 8, 2024Mar 18, 202418,000

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-1-16413————

Formation tops

As filed on W-2/G-1. Subsea from 342 ft elevation.Download CSV →

FormationMD ftSubsea
Queen City2,725-2,383
Reklaw3,437-3,095
Carrizo4,095-3,753
WilcoxWILCOX - DISPOSAL4,200-3,858
AnacachoANACACHO - H2S10,654-10,312
Austin ChalkAUSTIN CHALK - H2S, DISPOSAL10,858-10,516
Bartosh——
EscondidoESCONDIDO - H2S, DISPOSAL——
NavarroNAVARRO - H2S——
OlmosOLMOS - DISPOSAL——

Perforations

Perforated and open-hole intervals.

FromToType
11,30417,060Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.6255,38612.251,321 S
5.517,0578.752,932 S

Completion filings

W-2 and G-1 reports on record in the RRC wellbore file, newest first. The suffix identifies the wellbore or completion event. About these reports →

SuffixFiledW-2 / G-1 dateLogs referenced
00Nov 6, 2024Jul 23, 2024Yes

The source documents

Petrora holds the structured record. The scanned filings live at the RRC; these links open its search already filled in for this API.

Log images are in archives with no per-well link: the RRC's Neubus archive (2004 onward). then paste it into their search.

Nearby wells and their tops

NEAREST 8 LOCATED WELLS WITH TOPS · WITHIN 16 KM

Draw a cross-section

This well's tops beside its 5 nearest neighbors, subsea-aligned so they line up regardless of surface terrain.

Open the cross-section →

May Girls42-013-36134

0.0 KM · Marathon Oil EF LLC · Section with this well →

Queen City2,725-2,413
Reklaw3,437-3,125
Carrizo4,095-3,783
Wilcox4,200-3,888
Anacacho10,658-10,346
Austin Chalk10,860-10,548
Escondido—
Navarro—

10 TOPS · FIRST 8

Schroeder-Chapman Unit42-013-35836

0.9 KM · Marathon Oil EF LLC · Section with this well →

Queen City2,741-2,386
Reklaw3,280-2,925
Carrizo4,130-3,775
Wilcox4,231-3,876
Anacacho10,741-10,386
Austin Chalk10,951-10,596
Escondido—
Bartosh—

10 TOPS · FIRST 8

R. May A42-013-35838

0.9 KM · Marathon Oil EF LLC · Section with this well →

Queen City2,741-2,387
Reklaw3,280-2,926
Carrizo4,130-3,776
Wilcox4,231-3,877
Anacacho10,753-10,399
Austin Chalk10,958-10,604
Navarro—
Olmos—

10 TOPS · FIRST 8

R. May A42-013-35839

0.9 KM · Marathon Oil EF LLC · Section with this well →

Queen City2,714-2,361
Reklaw3,280-2,927
Carrizo4,130-3,777
Wilcox4,231-3,878
Anacacho10,748-10,395
Austin Chalk10,949-10,596
Navarro—
Escondido—

10 TOPS · FIRST 8

Schroeder-Chapman Unit42-013-35837

0.9 KM · Marathon Oil EF LLC · Section with this well →

Queen City2,741-2,388
Reklaw3,280-2,927
Carrizo4,130-3,777
Wilcox4,231-3,878
Anacacho10,728-10,375
Austin Chalk10,933-10,580
Olmos—
Bartosh—

10 TOPS · FIRST 8

Tom-Smith Unit A42-013-35709

1.6 KM · Marathon Oil EF LLC · Section with this well →

Queen City2,901-2,602
Reklaw3,216-2,917
Bartosh3,498-3,199
Carrizo3,876-3,577
Wilcox5,252-4,953
Navarro8,382-8,083
Olmos8,952-8,653
Anacacho10,430-10,131

11 TOPS · FIRST 8

Wilhelm-Smith Unit B42-013-35713

1.6 KM · Marathon Oil EF LLC · Section with this well →

Queen City2,901-2,602
Reklaw3,216-2,917
Bartosh3,498-3,199
Carrizo3,876-3,577
Wilcox5,252-4,953
Navarro8,382-8,083
Olmos8,952-8,653
Anacacho10,411-10,112

10 TOPS · FIRST 8

R May a-May Girls Chapman SA242-013-36205

1.9 KM · Marathon Oil EF LLC · Section with this well →

Reklaw3,274-2,987
Carrizo3,913-3,626
Wilcox4,006-3,719
Anacacho10,399-10,112
Austin Chalk10,599-10,312
Navarro—
Bartosh—
Queen City—

10 TOPS · FIRST 8

About this data

Permits from the RRC OGA049M master and daily daf420 files; wellbore and operator of record from the EWA schedule, weekly; completions, formation tops, casing, and perforations from the dbf900 wellbore file; production from PDQ lease reports, which lag two to three months; injection from UIC permits, H-10 reports, and TexNet daily volumes; earthquakes from the TexNet catalog.

New to these records? How to read a well page · API numbers · completion reports and tops · why production is by lease

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