WELL · 42-255-37827 · DISTRICT 2

Pfeifer-Bell Fransen SA #1H

Y

Karnes County · Eagleville (Eagle Ford-2) field · Producing  · Horizontal

Pfeifer-Bell Fransen SA #1H (API 42-255-37827) is a horizontal well in Karnes County operated by Marathon Oil EF LLC, completed May 16, 2024 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit, issued July 28, 2023, permitted to 18,000 ft.

Completion filings report 12 formation tops, including Sparta, Queen City, Reklaw, Carrizo.

Its lease has reported 217K barrels of oil and 540K mcf of gas since November 2023, last reporting in July 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 LLCJul 28, 2023
18,000
total depth, ft
1
permits on file
Jul 28, 2023
last permit issued
May 16, 2024
completed
217K
cumulative oil, bbl
540K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Nov 2023 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
May 16, 2024
Shut in
—
Plugged
—

Operator's P-5 on the schedule: Active (A)

Surface location

28.823592, -97.997042

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; this well is the only one on it.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Pfeifer-Bell Fransen SA O-2-12730Eagleville (Eagle Ford-2)Marathon Oil EF LLC1217K540KNov 2023 – Jul 2026

Oil, barrels lease total

Last 12 months 39,310 · prior 12 114,337(-66%)

020K40K202420252026

Gas, mcf lease total

Last 12 months 102,560 · prior 12 355,835(-71%)

020K40K60K202420252026

Chain of custody

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

  1. 1Marathon Oil EF LLCMar 2024 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
892350-99DrillMarathon Oil EF LLCJul 24, 2023Jul 28, 2023Oct 28, 202318,000

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-2-12730————

Formation tops

As filed on W-2/G-1. Subsea from 457 ft elevation.Download CSV →

FormationMD ftSubsea
Sparta3,376-2,919
Queen City3,662-3,205
Reklaw4,227-3,770
Carrizo4,831-4,374
WilcoxWILCOX - DISPOSAL4,889-4,432
Anacacho11,448-10,991
Austin ChalkAUSTIN CHALK - H2S11,586-11,129
Eagle FordEAGLE FORD - H2S11,769-11,312
EdwardsEDWARDS - H2S——
FrioFRIO - DISPOSAL——
SligoSLIGO - H2S——
YeguaYEGUA - DISPOSAL——

Perforations

Perforated and open-hole intervals.

FromToType
12,13318,925Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.6256,11312.251,480 S
5.518,9258.753,045 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 23, 2024Aug 1, 2024—
00Apr 18, 2024Apr 9, 2024—
00Feb 28, 2024Jan 18, 2024Yes

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 →

Pfeifer-Whitley Mejor SA42-255-37821

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

Queen City3,662-3,205
Reklaw4,227-3,770
Carrizo4,831-4,374
Wilcox4,889-4,432
Austin Chalk11,603-11,146
Eagle Ford11,773-11,316
Frio—
Sligo—

10 TOPS · FIRST 8

Best Bateman-Best Huth SA142-255-38164

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

Frio42063
Yegua1,589-1,106
Queen City3,606-3,123
Reklaw4,490-4,007
Carrizo4,769-4,286
Wilcox4,939-4,456
Austin Chalk11,486-11,003
Eagle Ford11,651-11,168

10 TOPS · FIRST 8

Jordan Unit42-255-37001

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

Yegua1,570-1,119
Queen City3,902-3,451
Reklaw4,366-3,915
Carrizo4,869-4,418
Wilcox6,193-5,742
Austin Chalk11,577-11,126
Eagle Ford11,640-11,189
Sligo—

10 TOPS · FIRST 8

Jordan Unit42-255-36999

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

Yegua1,570-1,119
Queen City3,902-3,451
Reklaw4,366-3,915
Carrizo4,869-4,418
Wilcox6,193-5,742
Austin Chalk11,599-11,148
Eagle Ford11,791-11,340
Edwards—

10 TOPS · FIRST 8

Jordan Unit42-255-37000

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

Yegua1,750-1,299
Queen City3,680-3,229
Reklaw4,270-3,819
Carrizo4,860-4,409
Wilcox4,910-4,459
Austin Chalk11,607-11,156
Eagle Ford11,793-11,342
Edwards—

10 TOPS · FIRST 8

Jordan-Buehring Unit SA42-255-37002

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

Yegua1,750-1,300
Queen City3,680-3,230
Reklaw4,270-3,820
Carrizo4,860-4,410
Wilcox4,910-4,460
Austin Chalk11,621-11,171
Eagle Ford11,809-11,359
Sligo—

10 TOPS · FIRST 8

Pfeifer-Pfeifer Bell SA42-255-37670

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

Queen City3,592-3,118
Reklaw4,181-3,707
Carrizo4,744-4,270
Wilcox4,798-4,324
Austin Chalk11,370-10,896
Eagle Ford11,564-11,090
Yegua—
Sligo—

10 TOPS · FIRST 8

Best Bateman-Best Beard SA42-255-37669

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

Queen City3,592-3,122
Reklaw4,181-3,711
Carrizo4,744-4,274
Wilcox4,798-4,328
Austin Chalk11,362-10,892
Eagle Ford11,559-11,089
Frio—
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

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