WELL · 42-255-34462 · DISTRICT 2

Brysch Jonas Unit #2H

Y

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

Brysch Jonas Unit #2H (API 42-255-34462) is a horizontal well in Karnes County operated by Marathon Oil EF LLC, completed December 20, 2016 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit, issued January 12, 2015, permitted to 20,500 ft.

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

Its lease has reported 1.69M barrels of oil and 3.33M mcf of gas since August 2011, last reporting in July 2026. The lease carries 9 wells, so these are lease totals, not this well alone.

Operator of record

Marathon Oil EF LLC

Houston, TX · P-5 Y, filed Aug 4, 2025 · 3,191 permits on file · (800) 332-9449

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 LLCJan 12, 2015
20,500
total depth, ft
1
permits on file
Jan 12, 2015
last permit issued
Dec 20, 2016
completed
1.69M
cumulative oil, bbl
3.33M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Aug 2011 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Dec 20, 2016
Shut in
—
Plugged
—

Operator's P-5 on the schedule: Active

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; they carry 9 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Brysch Jonas Unit O-2-9818Eagleville (Eagle Ford-2)Marathon Oil EF LLC91.69M3.33MAug 2011 – Jul 2026

Oil, barrels lease total

Last 12 months 19,982 · prior 12 10,405(+92%)

02K4K6K202420252026

Gas, mcf lease total

Last 12 months 15,394 · prior 12 22,512(-32%)

010K20K202420252026

Chain of custody

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

  1. 1Hilcorp Energy CompanyAug 2011 → Oct 2011
  2. 2Marathon Oil EF LLCNov 2011 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
802606-99DrillMarathon Oil EF LLCJan 9, 2015Jan 12, 2015Oct 28, 201520,500

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-2-9818————

Formation tops

As filed on W-2/G-1. Subsea from 368 ft elevation.Download CSV →

FormationMD ftSubsea
FrioFRIO - DISPOSAL1,500-1,132
YeguaYEGUA - DISPOSAL1,854-1,486
Queen City4,186-3,818
Reklaw4,483-4,115
Carrizo5,153-4,785
WilcoxWILCOX - DISPOSAL6,477-6,109
Austin ChalkAUSTIN CHALK - H2S11,820-11,452
Eagle FordEAGLE FORD - H2S12,004-11,636
EdwardsEDWARDS - H2S——
SligoSLIGO - H2S——

Perforations

Perforated and open-hole intervals.

FromToType
12,13618,182Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.6255,96012.251,630 S
5.518,2948.52,090 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
00Feb 27, 2017Feb 22, 2017Yes
00Mar 30, 2016Mar 3, 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/25534462, documented in the API reference.