TEXAS · WELLS · MCMULLEN COUNTY · 74 RANCH SPECIAL UNIT EAST LEASE · API 42-311-35447 · DISTRICT 01

74 Ranch Special Unit East #4H

Y

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

74 Ranch Special Unit East #4H (API 42-311-35447) is a horizontal well in Mcmullen County operated by Marathon Oil EF LLC, completed October 24, 2015 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit, issued May 14, 2013, permitted to 11,185 ft.

Completion filings report 13 formation tops, including Catahoula, Frio, Olmos, Escondido.

Its lease has reported 1.48M barrels of oil and 1.92M mcf of gas since October 2013, 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

11,185
total depth, ft
1
permits on file
May 14, 2013
last permit issued
Oct 24, 2015
completed
1.48M
cumulative oil, bbl
1.92M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Oct 2013 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Oct 24, 2015
Shut in
—
Plugged
—

Operator's P-5 on the schedule: Active – Extension (X)

Surface location

No coordinates on the permit record yet. The RRC's GIS record usually lands within days of issuance; historical master-file permits never carry one.

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 Special Unit East O-1-17193Eagleville (Eagle Ford-1)Marathon Oil EF LLC51.48M1.92MOct 2013 – Jul 2026

Oil, barrels lease total

Last 12 months 18,795 · prior 12 25,894(-27%)

02K4K202420252026

Gas, mcf lease total

Last 12 months 42,065 · prior 12 77,362(-46%)

05K10K15K202420252026

Chain of custody

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

  1. 1Marathon Oil EF LLCOct 2013 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
762493-99DrillMarathon Oil EF LLCMay 10, 2013May 14, 2013Sep 3, 201418,500

Completions

CompletedLeaseFieldOperatorStatusDepth
Oct 24, 201574 Ranch Special Unit East O-1-17193Eagleville (Eagle Ford-1)Marathon Oil EF LLCProducing11,185

Formation tops

As filed on W-2/G-1. Subsea from 314 ft elevation.Download CSV →

FormationMD ftSubsea
CatahoulaCATAHOULA - DISPOSAL327-13
FrioFRIO - DISPOSAL1,820-1,506
Olmos1,820-1,506
Escondido2,600-2,286
Navarro3,600-3,286
YeguaYEGUA - DISPOSAL4,000-3,686
WilcoxWILCOX - DISPOSAL4,660-4,346
Pearsall7,000-6,686
EdwardsEDWARDS - H2S7,080-6,766
BudaBUDA - H2S7,380-7,066
Anacacho10,486-10,172
Austin Chalk10,734-10,420
Eagle FordEAGLE FORD - H2S10,826-10,512
CatahoulaCATAHOULA - DISPOSAL——

Perforations

Perforated and open-hole intervals.

FromToType
11,04217,775Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.6255,29012.251,825 S
5.517,9078.51,995 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
00Aug 19, 2016Aug 12, 2016Yes
00Mar 25, 2015Nov 6, 2014Yes

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.

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/31135447, documented in the API reference.