WELL · 42-013-36205 · DISTRICT 1

R May a-May Girls Chapman SA2 #2H

Y

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

R May A-May Girls Chapman Sa2 #2H (API 42-013-36205) is a horizontal well in Atascosa County operated by Marathon Oil EF LLC, completed November 3, 2025 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit, issued November 20, 2024, permitted to 24,000 ft.

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

Its lease has reported 211K barrels of oil and 261K mcf of gas since June 2025, last reporting in July 2026.

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 LLCNov 20, 2024
24,000
total depth, ft
1
permits on file
Nov 20, 2024
last permit issued
Nov 3, 2025
completed
211K
cumulative oil, bbl
261K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jun 2025 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Nov 3, 2025
Shut in
—
Plugged
—

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

Surface location

28.713444, -98.240213

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; this well is the only one on it.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
R May a-May Girls Chapman SA2 O-1-21798Eagleville (Eagle Ford-1)Marathon Oil EF LLC1211K261KJun 2025 – Jul 2026

Oil, barrels lease total

Last 12 months 210,933 · prior 12 0

020K40K202420252026

Gas, mcf lease total

Last 12 months 261,070 · prior 12 0

020K40K202420252026

Chain of custody

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

  1. 1Marathon Oil EF LLCJun 2025 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
903676-99DrillMarathon Oil EF LLCOct 30, 2024Nov 20, 2024Feb 23, 202524,000

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-1-21798————

Formation tops

As filed on W-2/G-1. Subsea from 287 ft elevation.Download CSV →

FormationMD ftSubsea
Reklaw3,274-2,987
Carrizo3,913-3,626
WilcoxWILCOX - DISPOSAL4,006-3,719
AnacachoANACACHO - H2S10,399-10,112
Austin ChalkAUSTIN CHALK - H2S, DISPOSAL10,599-10,312
Bartosh——
EscondidoESCONDIDO - H2S, DISPOSAL——
NavarroNAVARRO - H2S——
OlmosOLMOS - DISPOSAL——
Queen City——

Perforations

Perforated and open-hole intervals.

FromToType
11,35822,856Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.6255,48512.251,660 S
5.522,8438.753,893 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
00Apr 6, 2026Mar 17, 2026—
00Sep 11, 2025Aug 14, 2025Yes

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 →

R. May A42-013-36203

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

Queen City2,494-2,207
Reklaw3,274-2,987
Carrizo3,913-3,626
Wilcox4,006-3,719
Anacacho10,469-10,182
Austin Chalk10,678-10,391
Olmos—
Bartosh—

10 TOPS · FIRST 8

R May a-Schroeder Chapman SA142-013-36204

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

Queen City2,494-2,207
Reklaw3,274-2,987
Carrizo3,913-3,626
Wilcox4,006-3,719
Anacacho10,471-10,184
Austin Chalk10,680-10,393
Bartosh—
Escondido—

10 TOPS · FIRST 8

May Girls42-013-36134

1.9 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
Olmos—
Bartosh—

10 TOPS · FIRST 8

May Girls42-013-36135

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

Queen City2,725-2,383
Reklaw3,437-3,095
Carrizo4,095-3,753
Wilcox4,200-3,858
Anacacho10,654-10,312
Austin Chalk10,858-10,516
Navarro—
Olmos—

10 TOPS · FIRST 8

Bros Unit42-013-35722

2.0 KM · Murphy Expl. & Prod. Co. - USA · Section with this well →

Queen City1,660-1,338
Bartosh3,520-3,198
Carrizo3,720-3,398
Reklaw3,790-3,468
Wilcox6,733-6,411
Midway7,177-6,855
Escondido7,620-7,298
Navarro8,124-7,802

10 TOPS · FIRST 8

Bros Unit42-013-35723

2.0 KM · Murphy Expl. & Prod. Co. - USA · Section with this well →

Queen City1,660-1,328
Bartosh3,520-3,188
Carrizo3,720-3,388
Reklaw3,790-3,458
Wilcox6,721-6,389
Escondido7,620-7,288
Navarro8,135-7,803
Anacacho8,200-7,868

10 TOPS · FIRST 8

Tom-Smith Unit A42-013-35709

2.0 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

Bros Unit42-013-35724

2.0 KM · Murphy Expl. & Prod. Co. - USA · Section with this well →

Queen City1,660-1,338
Bartosh3,520-3,198
Carrizo3,720-3,398
Reklaw3,790-3,468
Wilcox6,716-6,394
Midway7,154-6,832
Escondido7,620-7,298
Navarro8,149-7,827

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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