WELL · 42-255-37670 · DISTRICT 2

Pfeifer-Pfeifer Bell SA #1H

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

Pfeifer-Pfeifer Bell SA #1H (API 42-255-37670) is a horizontal well in Karnes County operated by Marathon Oil EF LLC, completed August 4, 2023 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit (amended once), issued December 27, 2022, permitted to 26,000 ft.

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

Its lease has reported 392K barrels of oil and 921K mcf of gas since April 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 schedule	Marathon Oil EF LLC
Production reports	Marathon Oil EF LLCthrough Apr 2026
Latest permit	Marathon Oil EF LLCDec 27, 2022

26,000: total depth, ft
2: permits on file
Dec 27, 2022: last permit issued
Aug 4, 2023: completed
392K: cumulative oil, bbl
921K: cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Apr 2023 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule: ON SCHEDULE
Completed: Aug 4, 2023
Shut in: —
Plugged: —

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

Surface location

28.835574, -98.002961

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 →

Lease	Field	Reporting operator	Wells	Oil, bbl	Gas, mcf	Reported
Pfeifer-Pfeifer Bell SA O-2-12651	Eagleville (Eagle Ford-2)	Marathon Oil EF LLC	1	392K	921K	Apr 2023 – Jul 2026

Oil, barrels lease total

Last 12 months 52,901 · prior 12 73,490(-28%)

Gas, mcf lease total

Last 12 months 155,774 · prior 12 211,445(-26%)

Chain of custody

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

1Marathon Oil EF LLCApr 2023 → Apr 2026

Permits

Permit	Type	Operator	Received	Issued	Spud	Depth
886718-98	Drill	Marathon Oil EF LLC	Jan 31, 2023	Dec 27, 2022	Nov 30, 2022	26,000
886718-99	Drill	Marathon Oil EF LLC	Dec 20, 2022	Dec 27, 2022	Feb 11, 2023	26,000

Completions

Completed	Lease	Field	Operator	Status	Depth
—	— O-2-12651	—	—	—	—

Formation tops

As filed on W-2/G-1. Subsea from 474 ft elevation.Download CSV →

Formation	MD ft	Subsea
Queen City	3,592	-3,118
Reklaw	4,181	-3,707
Carrizo	4,744	-4,270
WilcoxWILCOX - DISPOSAL	4,798	-4,324
Austin ChalkAUSTIN CHALK - H2S	11,370	-10,896
Eagle FordEAGLE FORD - H2S	11,564	-11,090
EdwardsEDWARDS - H2S	—	—
FrioFRIO - DISPOSAL	—	—
SligoSLIGO - H2S	—	—
YeguaYEGUA - DISPOSAL	—	—

Perforations

Perforated and open-hole intervals.

From	To	Type
12,240	23,408	Perforated

Casing

Strings as reported, shallowest first.

Casing in	Set at	Hole in	Cement
9.625	5,978	12.25	1,459 S
6	23,407	8.75	3,850 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 →

Suffix	Filed	W-2 / G-1 date	Logs referenced
00	Oct 2, 2023	Sep 29, 2023	Yes
00	Sep 12, 2023	Aug 29, 2023	Yes

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.

Wellbore filings for 42-255-37670 → W-2, G-1, plugging reports, as PDFs
Completion packets for 42-255-37670 → scanned completion filings

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 →

Best Bateman-Best Beard SA42-255-37669

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

Queen City	3,592	-3,122
Reklaw	4,181	-3,711
Carrizo	4,744	-4,274
Wilcox	4,798	-4,328
Austin Chalk	11,362	-10,892
Eagle Ford	11,559	-11,089
Yegua	—
Edwards	—

10 TOPS · FIRST 8

Best Bateman Unit42-255-36846

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

Yegua	1,613	-1,124
Queen City	3,714	-3,225
Reklaw	4,298	-3,809
Carrizo	4,651	-4,162
Wilcox	6,255	-5,766
Austin Chalk	11,354	-10,865
Eagle Ford	11,551	-11,062
Edwards	—

10 TOPS · FIRST 8

Best Bateman Unit42-255-36845

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

Yegua	1,613	-1,124
Queen City	3,714	-3,225
Reklaw	4,298	-3,809
Carrizo	4,651	-4,162
Wilcox	6,255	-5,766
Austin Chalk	11,321	-10,832
Eagle Ford	11,530	-11,041
Edwards	—

10 TOPS · FIRST 8

Best Bateman Unit42-255-36844

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

Yegua	1,613	-1,124
Queen City	3,714	-3,225
Reklaw	4,298	-3,809
Carrizo	4,651	-4,162
Wilcox	6,255	-5,766
Austin Chalk	11,332	-10,843
Eagle Ford	11,536	-11,047
Sligo	—

10 TOPS · FIRST 8

Best Bateman Unit42-255-36847

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

Yegua	1,613	-1,124
Queen City	3,714	-3,225
Reklaw	4,298	-3,809
Carrizo	4,651	-4,162
Wilcox	6,255	-5,766
Austin Chalk	11,306	-10,817
Eagle Ford	11,516	-11,027
Edwards	—

10 TOPS · FIRST 8

W.mejor-Dav-Jor-Fra SA42-255-37539

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

Queen City	3,602	-3,152
Reklaw	4,215	-3,765
Carrizo	4,746	-4,296
Wilcox	4,811	-4,361
Austin Chalk	11,457	-11,007
Eagle Ford	11,657	-11,207
Yegua	—
Edwards	—

10 TOPS · FIRST 8

Hedtke-H.henke-Davenport SA42-255-37537

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

Queen City	3,602	-3,153
Reklaw	4,215	-3,766
Carrizo	4,746	-4,297
Wilcox	4,811	-4,362
Austin Chalk	11,463	-11,014
Eagle Ford	11,653	-11,204
Yegua	—
Frio	—

10 TOPS · FIRST 8

Martinez-H.henke-Hedtke SA42-255-37536

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

Queen City	3,602	-3,153
Reklaw	4,215	-3,766
Carrizo	4,746	-4,297
Wilcox	4,811	-4,362
Austin Chalk	11,445	-10,996
Eagle Ford	11,645	-11,196
Frio	—
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/25537670, documented in the API reference.