WELL · 42-255-35928 · DISTRICT 2

Luna-May Unit Psa #1H

N

Karnes County · Sugarkane (Eagle Ford) field  · Horizontal

Luna-May Unit Psa #1H (API 42-255-35928) is a horizontal well in Karnes County operated by Marathon Oil EF LLC, completed November 17, 2018.

The RRC has issued one drilling permit, issued May 1, 2018, permitted to 22,500 ft.

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

Its 2 leases have reported 2.34K barrels of oil and 1.36M mcf of gas since August 2018, last reporting in July 2026. The leases carry 2 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 LLCMay 1, 2018
22,500
total depth, ft
1
permits on file
May 1, 2018
last permit issued
Nov 17, 2018
completed
2.34K
cumulative oil, bbl
1.36M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Aug 2018 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
Nov 17, 2018
Shut in
—
Plugged
—

Surface location

28.820004, -97.963327

Google Maps ↗

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

Lease production

PDQ LEASE REPORTS · REPORTED THROUGH APR 2026

Texas reports oil by lease, not by well. These are the 2 leases this well is completed on; they carry 2 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Luna-May Unit Psa G-2-294319Sugarkane (Eagle Ford)Marathon Oil EF LLC101.35MNov 2018 – Jul 2026
Luna-May Unit Psa O-2-11548Sugarkane (Eagle Ford)Marathon Oil EF LLC12.34K18.1KAug 2018 – Jul 2023

Gas, mcf lease total

Last 12 months 6,394 · prior 12 27,539(-77%)

010K20K202420252026

Chain of custody

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

  1. 1Marathon Oil EF LLCNov 2018 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
839156-99DrillMarathon Oil EF LLCApr 23, 2018May 1, 2018Oct 29, 201822,500

Completions

CompletedLeaseFieldOperatorStatusDepth
—— G-2-294319————
—— O-2-11548————

Formation tops

As filed on W-2/G-1. Subsea from 425 ft elevation.Download CSV →

FormationMD ftSubsea
YeguaYEGUA - DISPOSAL1,917-1,492
Queen City4,314-3,889
Reklaw4,711-4,286
Carrizo5,302-4,877
WilcoxWILCOX - DISPOSAL6,474-6,049
Austin ChalkAUSTIN CHALK - H2S11,914-11,489
Eagle FordEAGLE FORD - H2S12,087-11,662
EdwardsEDWARDS - H2S——
FrioFRIO - DISPOSAL——
SligoSLIGO - H2S——

Perforations

Perforated and open-hole intervals.

FromToType
12,31919,909Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.6256,05612.251,766 S
5.520,0168.753,543 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 26, 2023Apr 12, 2023Yes
00Jan 30, 2019Dec 19, 2018Yes
00Oct 23, 2018Sep 25, 2018Yes

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 →

Luna Unit42-255-35846

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

Yegua1,917-1,492
Queen City4,314-3,889
Reklaw4,711-4,286
Carrizo5,302-4,877
Wilcox6,474-6,049
Austin Chalk11,889-11,464
Eagle Ford12,059-11,634
Sligo—

10 TOPS · FIRST 8

Luna Unit42-255-35845

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

Yegua1,839-1,419
Queen City4,171-3,751
Reklaw4,634-4,214
Carrizo5,138-4,718
Wilcox6,462-6,042
Austin Chalk11,880-11,460
Eagle Ford12,065-11,645
Sligo—

10 TOPS · FIRST 8

Luna Unit AC42-255-35926

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

Yegua1,917-1,492
Queen City4,314-3,889
Reklaw4,711-4,286
Carrizo5,302-4,877
Wilcox6,474-6,049
Austin Chalk11,908-11,483
Sligo—
Edwards—

10 TOPS · FIRST 8

Buehring Unit42-255-36523

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

Yegua1,843-1,403
Queen City4,175-3,735
Reklaw4,638-4,198
Carrizo5,142-4,702
Wilcox6,466-6,026
Austin Chalk11,945-11,505
Eagle Ford12,090-11,650
Edwards—

10 TOPS · FIRST 8

Buehring-Gilley Psa42-255-36525

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

Queen City4,175-3,735
Reklaw4,638-4,198
Carrizo5,142-4,702
Wilcox6,466-6,026
Austin Chalk11,917-11,477
Eagle Ford12,085-11,645
Sligo—
Frio—

10 TOPS · FIRST 8

May Unit 142-255-35631

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

Yegua1,905-1,482
Queen City4,237-3,814
Reklaw4,700-4,277
Carrizo5,204-4,781
Austin Chalk11,945-11,522
Eagle Ford12,130-11,707
Edwards—
Wilcox—

10 TOPS · FIRST 8

May Unit 142-255-35629

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

Yegua1,905-1,481
Queen City4,237-3,813
Reklaw4,700-4,276
Carrizo5,204-4,780
Austin Chalk11,961-11,537
Eagle Ford12,144-11,720
Edwards—
Wilcox—

10 TOPS · FIRST 8

May Unit 142-255-35593

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

Yegua1,905-1,481
Queen City4,237-3,813
Reklaw4,700-4,276
Carrizo5,204-4,780
Austin Chalk11,983-11,559
Eagle Ford12,158-11,734
Sligo—
Edwards—

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

Developers: this page as JSON is GET /v1/data/wells/25535928, documented in the API reference.