TEXAS · WELLS · KARNES COUNTY · FRANKE UNIT LEASE · API 42-255-34896 · DISTRICT 02

Franke Unit #501H

On schedule

Karnes County · Sugarkane (Eagle Ford) field · Producing  · Horizontal

Franke Unit #501H (API 42-255-34896) is a horizontal well in Karnes County operated by Marathon Oil EF LLC, completed January 23, 2017 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit (amended once), issued December 21, 2015, permitted to 12,616 ft.

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

Its lease has reported 184K barrels of oil and 1.23M mcf of gas since January 2017, last reporting volume in April 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 LLCDec 21, 2015
12,616
total depth, ft
2
permits on file
Dec 21, 2015
last permit issued
Jan 23, 2017
completed
184K
cumulative oil, bbl
1.23M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · JAN 2017 THROUGH APR 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Jan 23, 2017
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.

Wells nearby

Every well with a location on file around this well, in any state, nearest first.

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Texas locations come from drilling permits, so most older Texas wells have none and are not listed.

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
Franke Unit G-2-282002Sugarkane (Eagle Ford)Marathon Oil EF LLC1184K1.23MJan 2017 – Apr 2026

Gas, mcf lease total

Last 12 months 39,778 · prior 12 53,065(-25%)

05K10K202420252026

Wells named Franke Unit

Marathon Oil EF LLC's other wells filed under this lease name in Karnes County, newest permit first. The RRC gives a gas well its own lease number, so the name is what joins the wells of a unit.

Loading the lease's wells

Chain of custody

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

  1. 1Marathon Oil EF LLCJan 2017 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
812722-98DrillMarathon Oil EF LLCMar 11, 2016Dec 21, 2015Jul 1, 201620,000
812722-99DrillMarathon Oil EF LLCDec 15, 2015Dec 21, 2015Jul 1, 201620,000

Completions

CompletedLeaseFieldOperatorStatusDepth
Jan 23, 2017Franke Unit G-2-282002Sugarkane (Eagle Ford)Marathon Oil EF LLCProducing12,616

Formation tops

As filed on W-2/G-1. Subsea from 380 ft elevation.Download CSV →

FormationMD ftSubsea
YeguaYEGUA - DISPOSAL2,082-1,702
Queen City4,459-4,079
Reklaw4,660-4,280
Carrizo5,235-4,855
WilcoxWILCOX - DISPOSAL6,384-6,004
Austin ChalkAUSTIN CHALK - H2S12,288-11,908
Eagle FordEAGLE FORD - H2S12,443-12,063
EdwardsEDWARDS - H2S——
FrioFRIO - DISPOSAL——
SligoSLIGO - H2S——

Perforations

Perforated and open-hole intervals.

FromToType
12,98518,648Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.6255,75312.251,622 S
5.518,7488.53,133 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. The record date is the RRC's own date on the record, not the day the report was filed: 462,034 of the state's filings carry 1984-01-12. About these reports →

SuffixRRC record dateW-2 / G-1 dateLogs referenced
00Apr 12, 2017Mar 23, 2017Yes

Well logs

The RRC's map lists this well among those with logs online. Its monthly inventories loaded here, which start in July 2006, list none for it, so none are itemized.

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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.

The logs loaded for this well are under Well logs, with the RRC's log search for it.

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/25534896, documented in the API reference.