TEXAS · WELLS · KARNES COUNTY · CHILDREN'S-WESTON UNIT AC LEASE · API 42-255-34267 · DISTRICT 02

Children S-Weston Unit AC #10H

Y

Karnes County · Sugarkane (Austin Chalk) field · Producing  · Horizontal

Children S-Weston Unit AC #10H (API 42-255-34267) is a horizontal well in Karnes County operated by Marathon Oil EF LLC, completed April 5, 2016 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit (amended once), issued November 18, 2014, permitted to 11,680 ft.

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

Its lease has reported 109K barrels of oil and 637K mcf of gas since December 2015, 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 LLCNov 18, 2014
11,680
total depth, ft
2
permits on file
Nov 18, 2014
last permit issued
Apr 5, 2016
completed
109K
cumulative oil, bbl
637K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Dec 2015 THROUGH Apr 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Apr 5, 2016
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.

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
Children's-Weston Unit AC G-2-280206Sugarkane (Austin Chalk)Marathon Oil EF LLC1109K637KDec 2015 – Apr 2026

Gas, mcf lease total

Last 12 months 7,152 · prior 12 183

01K2K3K202420252026

Chain of custody

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

  1. 1Marathon Oil EF LLCDec 2015 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
799012-98DrillMarathon Oil EF LLCJul 31, 2015Nov 18, 2014Sep 4, 201519,300
799012-99DrillMarathon Oil EF LLCOct 24, 2014Nov 18, 2014Sep 4, 201519,300

Completions

CompletedLeaseFieldOperatorStatusDepth
Apr 5, 2016Children S-Weston Unit AC G-2-280206Sugarkane (Austin Chalk)Marathon Oil EF LLCProducing11,680

Formation tops

As filed on W-2/G-1. Subsea from 373 ft elevation.Download CSV →

FormationMD ftSubsea
FrioFRIO - DISPOSAL1,500-1,127
YeguaYEGUA - DISPOSAL1,510-1,137
Queen City3,784-3,411
Reklaw4,351-3,978
Carrizo4,707-4,334
WilcoxWILCOX - DISPOSAL6,017-5,644
Austin ChalkAUSTIN CHALK - H2S11,693-11,320
Eagle FordEAGLE FORD - H2S——
EdwardsEDWARDS - H2S——
SligoSLIGO - H2S——

Perforations

Perforated and open-hole intervals.

FromToType
11,89915,433Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.6256,13712.251,996 S
5.515,5458.52,376 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
00Sep 7, 2016Aug 30, 2016Yes
00Jun 29, 2016Mar 14, 2016Yes

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/25534267, documented in the API reference.