WELL · 42-255-37250 · DISTRICT 2

Carter Holm-Yanta SA #502H

Y

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

Carter Holm-Yanta SA #502H (API 42-255-37250) is a horizontal well in Karnes County operated by Marathon Oil EF LLC, completed November 16, 2022 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit, issued July 30, 2021, permitted to 22,000 ft.

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

Its lease has reported 201K barrels of oil and 383K mcf of gas since June 2022, 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 30, 2021
22,000
total depth, ft
1
permits on file
Jul 30, 2021
last permit issued
Nov 16, 2022
completed
201K
cumulative oil, bbl
383K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jun 2022 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Nov 16, 2022
Shut in
—
Plugged
—

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

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

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Carter Holm-Yanta SA O-2-12400Eagleville (Eagle Ford-2)Marathon Oil EF LLC1201K383KJun 2022 – Jul 2026

Oil, barrels lease total

Last 12 months 16,275 · prior 12 25,379(-36%)

02K4K6K202420252026

Gas, mcf lease total

Last 12 months 28,472 · prior 12 54,700(-48%)

05K10K15K202420252026

Chain of custody

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

  1. 1Marathon Oil EF LLCSep 2022 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
871391-99DrillMarathon Oil EF LLCJul 20, 2021Jul 30, 2021Jun 10, 202222,000

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-2-12400————

Formation tops

As filed on W-2/G-1. Subsea from 416 ft elevation.Download CSV →

FormationMD ftSubsea
YeguaYEGUA - DISPOSAL1,964-1,548
Queen City3,965-3,549
Reklaw4,444-4,028
Carrizo5,042-4,626
WilcoxWILCOX - DISPOSAL6,193-5,777
Austin ChalkAUSTIN CHALK - H2S11,841-11,425
Eagle FordEAGLE FORD - H2S12,031-11,615
EdwardsEDWARDS - H2S——
FrioFRIO - DISPOSAL——
SligoSLIGO - H2S——

Perforations

Perforated and open-hole intervals.

FromToType
12,27416,074Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.6256,05412.251,754 S
616,0748.752,414 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
00Mar 31, 2023Mar 23, 2023Yes
00Oct 26, 2022Sep 26, 2022—
00Aug 22, 2022Jul 21, 2022Yes

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/25537250, documented in the API reference.