WELL · 42-013-35875 · DISTRICT 1

74 Ranch Unit S2 #1H

Y

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

74 Ranch Unit S2 #1H (API 42-013-35875) is a horizontal well in Atascosa County operated by Marathon Oil EF LLC, completed November 30, 2022 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit, issued January 31, 2022, permitted to 24,000 ft.

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

Its lease has reported 1.55M barrels of oil and 1.24M mcf of gas since April 2022, 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

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 31, 2022
24,000
total depth, ft
1
permits on file
Jan 31, 2022
last permit issued
Nov 30, 2022
completed
1.55M
cumulative oil, bbl
1.24M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Apr 2022 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Nov 30, 2022
Shut in
—
Plugged
—

Operator's P-5 on the schedule: Active

Surface location

28.667081, -98.319753

OpenStreetMap → ·  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
74 Ranch Unit S2 O-1-20617Eagleville (Eagle Ford-1)Marathon Oil EF LLC51.55M1.24MApr 2022 – Jul 2026

Oil, barrels lease total

Last 12 months 102,033 · prior 12 163,494(-38%)

020K40K60K202420252026

Gas, mcf lease total

Last 12 months 47,650 · prior 12 202,457(-76%)

020K40K60K202420252026

Chain of custody

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

  1. 1Marathon Oil EF LLCSep 2022 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
876431-99DrillMarathon Oil EF LLCJan 25, 2022Jan 31, 2022Feb 21, 202224,000

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-1-20617————

Formation tops

As filed on W-2/G-1. Subsea from 213 ft elevation.Download CSV →

FormationMD ftSubsea
Queen City2,645-2,432
Reklaw3,145-2,932
Carrizo3,705-3,492
WilcoxWILCOX - DISPOSAL3,822-3,609
AnacachoANACACHO - H2S10,296-10,083
Austin ChalkAUSTIN CHALK - H2S, DISPOSAL10,541-10,328
Bartosh——
EscondidoESCONDIDO - H2S, DISPOSAL——
NavarroNAVARRO - H2S——
OlmosOLMOS - DISPOSAL——

Perforations

Perforated and open-hole intervals.

FromToType
11,05622,182Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.6255,26912.251,576 S
622,1828.753,794 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 12, 2023Mar 28, 2023Yes
00Dec 28, 2022Sep 29, 2022Yes
00Jun 13, 2022May 26, 2022Yes

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 →

74 Ranch Unit S242-013-35876

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

Queen City2,645-2,432
Reklaw3,145-2,932
Carrizo3,705-3,492
Wilcox3,822-3,609
Anacacho10,308-10,095
Austin Chalk10,552-10,339
Bartosh—
Olmos—

10 TOPS · FIRST 8

74 Ranch Unit S242-013-35877

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

Queen City2,645-2,432
Reklaw3,145-2,932
Carrizo3,705-3,492
Wilcox3,822-3,609
Anacacho10,312-10,099
Austin Chalk10,555-10,342
Navarro—
Bartosh—

10 TOPS · FIRST 8

74 Ranch Unit S242-013-35878

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

Queen City2,645-2,432
Reklaw3,145-2,932
Carrizo3,705-3,492
Wilcox3,822-3,609
Anacacho10,321-10,108
Austin Chalk10,558-10,345
Olmos—
Bartosh—

10 TOPS · FIRST 8

74 Ranch Unit S242-013-35879

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

Queen City2,645-2,432
Reklaw3,145-2,932
Carrizo3,705-3,492
Wilcox3,822-3,609
Anacacho10,322-10,109
Austin Chalk10,559-10,346
Navarro—
Bartosh—

10 TOPS · FIRST 8

74 Ranch-Guajillo Unit C42-013-35894

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

Queen City2,645-2,432
Reklaw3,145-2,932
Carrizo3,705-3,492
Wilcox3,822-3,609
Anacacho10,290-10,077
Austin Chalk10,542-10,329
Bartosh—
Olmos—

10 TOPS · FIRST 8

74 Ranch-Guajillo Unit C42-013-35893

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

Queen City2,645-2,431
Reklaw3,145-2,931
Carrizo3,705-3,491
Wilcox3,822-3,608
Anacacho10,285-10,071
Austin Chalk10,537-10,323
Navarro—
Bartosh—

10 TOPS · FIRST 8

74 Ranch-Guajillo Unit C42-013-35892

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

Queen City2,645-2,431
Reklaw3,145-2,931
Carrizo3,705-3,491
Wilcox3,822-3,608
Anacacho10,300-10,086
Austin Chalk10,548-10,334
Escondido—
Navarro—

10 TOPS · FIRST 8

74 Ranch-Guajillo Unit C42-013-35891

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

Queen City2,645-2,431
Reklaw3,145-2,931
Carrizo3,705-3,491
Wilcox3,822-3,608
Anacacho10,314-10,100
Austin Chalk10,556-10,342
Escondido—
Navarro—

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/01335875, documented in the API reference.