WELL · 42-255-36298 · DISTRICT 2

Hardy Unit AC #2H

Y

Karnes County · Sugarkane (Austin Chalk) field · Producing  · Horizontal

Hardy Unit AC #2H (API 42-255-36298) is a horizontal well in Karnes County operated by Marathon Oil EF LLC, completed November 7, 2019 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit, issued January 14, 2019, permitted to 21,000 ft.

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

Its lease has reported 955K barrels of oil and 3.02M mcf of gas since March 2019, last reporting in July 2026. The lease carries 2 wells, so these are lease totals, not this well alone.

Operator of record

Marathon Oil EF LLC

Houston, TX · P-5 Y, filed Aug 4, 2025 · 3,191 permits on file · (800) 332-9449

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 LLCJan 14, 2019
21,000
total depth, ft
1
permits on file
Jan 14, 2019
last permit issued
Nov 7, 2019
completed
955K
cumulative oil, bbl
3.02M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Mar 2019 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Nov 7, 2019
Shut in
—
Plugged
—

Operator's P-5 on the schedule: Active

Surface location

28.942128, -97.961978

OpenStreetMap → ·  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 lease this well is completed on; they carry 2 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Hardy Unit AC O-2-11749Sugarkane (Austin Chalk)Marathon Oil EF LLC2955K3.02MMar 2019 – Jul 2026

Oil, barrels lease total

Last 12 months 17,085 · prior 12 27,887(-39%)

02K4K202420252026

Gas, mcf lease total

Last 12 months 63,226 · prior 12 69,523(-9%)

05K10K15K202420252026

Chain of custody

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

  1. 1Marathon Oil EF LLCJul 2019 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
848605-99DrillMarathon Oil EF LLCJan 11, 2019Jan 14, 2019Jun 13, 201921,000

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-2-11749————

Formation tops

As filed on W-2/G-1. Subsea from 281 ft elevation.Download CSV →

FormationMD ftSubsea
YeguaYEGUA - DISPOSAL1,165-884
Queen City3,120-2,839
Reklaw3,511-3,230
Carrizo4,014-3,733
WilcoxWILCOX - DISPOSAL5,300-5,019
Austin ChalkAUSTIN CHALK - H2S10,552-10,271
Eagle FordEAGLE FORD - H2S——
EdwardsEDWARDS - H2S——
FrioFRIO - DISPOSAL——
SligoSLIGO - H2S——

Perforations

Perforated and open-hole intervals.

FromToType
10,91517,676Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.6255,48712.252,046 S
9.6255,53912.252,046 S
5.517,7858.753,378 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
00May 28, 2020Feb 17, 2020Yes
00Nov 12, 2019Aug 9, 2019Yes
00Jul 18, 2019Jul 1, 2019Yes

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 neighbours, subsea-aligned so they line up regardless of surface terrain.

Open the cross-section →

Hardy Unit AC42-255-36297

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

Yegua1,185-904
Queen City3,140-2,859
Reklaw3,531-3,250
Carrizo4,034-3,753
Wilcox5,320-5,039
Austin Chalk10,533-10,252
Eagle Ford—
Sligo—

10 TOPS · FIRST 8

Fire Opal Unit AC42-255-36036

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

Yegua1,281-997
Queen City3,141-2,857
Reklaw3,451-3,167
Carrizo4,166-3,882
Wilcox5,353-5,069
Austin Chalk10,509-10,225
Frio—
Sligo—

10 TOPS · FIRST 8

CRH Unit AC42-255-36022

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

Yegua1,281-997
Queen City3,141-2,857
Reklaw3,451-3,167
Carrizo4,166-3,882
Wilcox5,353-5,069
Austin Chalk10,491-10,207
Frio—
Sligo—

10 TOPS · FIRST 8

CRH Unit AC42-255-36024

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

Yegua1,281-997
Queen City3,141-2,857
Reklaw3,451-3,167
Carrizo4,166-3,882
Wilcox5,353-5,069
Austin Chalk10,500-10,216
Frio—
Sligo—

10 TOPS · FIRST 8

Jauer Pollok-Moczygemba Jauer SA42-255-36989

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

Yegua1,119-835
Queen City2,819-2,535
Reklaw3,359-3,075
Carrizo3,844-3,560
Wilcox3,964-3,680
Austin Chalk10,403-10,119
Eagle Ford10,657-10,373
Sligo—

10 TOPS · FIRST 8

Jauer-Jauer Sonka Unit SA42-255-36988

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

Yegua1,119-835
Queen City2,819-2,535
Reklaw3,359-3,075
Carrizo3,844-3,560
Wilcox3,964-3,680
Austin Chalk10,412-10,128
Eagle Ford10,701-10,417
Edwards—

10 TOPS · FIRST 8

Jauer Unit42-255-36986

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

Yegua1,119-835
Queen City2,819-2,535
Reklaw3,359-3,075
Carrizo3,844-3,560
Wilcox3,964-3,680
Austin Chalk10,377-10,093
Eagle Ford10,663-10,379
Edwards—

10 TOPS · FIRST 8

Trial Unit42-255-35594

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

Yegua1,237-952
Queen City3,097-2,812
Reklaw3,407-3,122
Carrizo4,122-3,837
Wilcox5,309-5,024
Austin Chalk10,405-10,120
Eagle Ford10,675-10,390
Sligo—

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/25536298, documented in the API reference.