WELL · 42-255-36525 · DISTRICT 2

Buehring-Gilley Psa #1H

Y

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

Buehring-Gilley Psa #1H (API 42-255-36525) is a horizontal well in Karnes County operated by Marathon Oil EF LLC, completed February 8, 2020 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit, issued August 13, 2019, permitted to 22,000 ft.

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

Its lease has reported 253K barrels of oil and 610K mcf of gas since October 2019, 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 LLCAug 13, 2019
22,000
total depth, ft
1
permits on file
Aug 13, 2019
last permit issued
Feb 8, 2020
completed
253K
cumulative oil, bbl
610K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Oct 2019 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Feb 8, 2020
Shut in
—
Plugged
—

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

Surface location

28.822192, -97.964228

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
Buehring-Gilley Psa O-2-11841Eagleville (Eagle Ford-2)Marathon Oil EF LLC1253K610KOct 2019 – Jul 2026

Oil, barrels lease total

Last 12 months 2,801 · prior 12 1,164(+141%)

01K2K202420252026

Gas, mcf lease total

Last 12 months 11,210 · prior 12 5,306(+111%)

02K4K6K202420252026

Chain of custody

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

  1. 1Marathon Oil EF LLCOct 2019 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
854944-99DrillMarathon Oil EF LLCJul 9, 2019Aug 13, 2019Sep 10, 201922,000

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-2-11841————

Formation tops

As filed on W-2/G-1. Subsea from 440 ft elevation.Download CSV →

FormationMD ftSubsea
Queen City4,175-3,735
Reklaw4,638-4,198
Carrizo5,142-4,702
WilcoxWILCOX - DISPOSAL6,466-6,026
Austin ChalkAUSTIN CHALK - H2S11,917-11,477
Eagle FordEAGLE FORD - H2S12,085-11,645
EdwardsEDWARDS - H2S——
FrioFRIO - DISPOSAL——
SligoSLIGO - H2S——
YeguaYEGUA - DISPOSAL——

Perforations

Perforated and open-hole intervals.

FromToType
12,34418,150Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.6256,03912.251,712 S
5.518,2598.752,881 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
00May 29, 2020Feb 13, 2020Yes
00Feb 3, 2020Nov 22, 2019Yes
00Jan 23, 2020Oct 11, 2019Yes

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 →

Buehring Unit42-255-36523

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

Yegua1,843-1,403
Queen City4,175-3,735
Reklaw4,638-4,198
Carrizo5,142-4,702
Wilcox6,466-6,026
Austin Chalk11,945-11,505
Eagle Ford12,090-11,650
Frio—

10 TOPS · FIRST 8

Luna-May Unit Psa42-255-35928

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

Yegua1,917-1,492
Queen City4,314-3,889
Reklaw4,711-4,286
Carrizo5,302-4,877
Wilcox6,474-6,049
Austin Chalk11,914-11,489
Eagle Ford12,087-11,662
Sligo—

10 TOPS · FIRST 8

Luna Unit42-255-35846

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

Yegua1,917-1,492
Queen City4,314-3,889
Reklaw4,711-4,286
Carrizo5,302-4,877
Wilcox6,474-6,049
Austin Chalk11,889-11,464
Eagle Ford12,059-11,634
Frio—

10 TOPS · FIRST 8

Luna Unit42-255-35845

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

Yegua1,839-1,419
Queen City4,171-3,751
Reklaw4,634-4,214
Carrizo5,138-4,718
Wilcox6,462-6,042
Austin Chalk11,880-11,460
Eagle Ford12,065-11,645
Edwards—

10 TOPS · FIRST 8

Luna Unit AC42-255-35926

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

Yegua1,917-1,492
Queen City4,314-3,889
Reklaw4,711-4,286
Carrizo5,302-4,877
Wilcox6,474-6,049
Austin Chalk11,908-11,483
Frio—
Sligo—

10 TOPS · FIRST 8

May Unit 142-255-35631

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

Yegua1,905-1,482
Queen City4,237-3,814
Reklaw4,700-4,277
Carrizo5,204-4,781
Austin Chalk11,945-11,522
Eagle Ford12,130-11,707
Frio—
Sligo—

10 TOPS · FIRST 8

May Unit 142-255-35629

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

Yegua1,905-1,481
Queen City4,237-3,813
Reklaw4,700-4,276
Carrizo5,204-4,780
Austin Chalk11,961-11,537
Eagle Ford12,144-11,720
Edwards—
Wilcox—

10 TOPS · FIRST 8

May Unit 142-255-35593

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

Yegua1,905-1,481
Queen City4,237-3,813
Reklaw4,700-4,276
Carrizo5,204-4,780
Austin Chalk11,983-11,559
Eagle Ford12,158-11,734
Sligo—
Wilcox—

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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