WELL · 42-255-32386 · DISTRICT 2

Blackjack Unit B #2H

N

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

Blackjack Unit B #2H (API 42-255-32386) is a horizontal well in Karnes County operated by Marathon Oil EF LLC, completed July 16, 2012.

The RRC has issued one drilling permit, issued March 22, 2012, permitted to 13,500 ft.

It was permitted by Paloma Resources, LLC and has since transferred to Marathon Oil EF LLC on the wellbore schedule.

Completion filings report 3 formation tops, including Anacacho, Austin Chalk, Eagle Ford.

No lease production has been reported under this well’s leases.

Operator of record

Marathon Oil EF LLC

Permitted by Paloma Resources, LLC; the EWA schedule now lists a different operator.

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 permitPaloma Resources, LLCMar 22, 2012

The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.

13,500
total depth, ft
1
permits on file
Mar 22, 2012
last permit issued
Jul 16, 2012
completed
0
cumulative oil, bbl
1.54M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jul 2012 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
Jul 16, 2012
Shut in
—
Plugged
—

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 2 leases this well is completed on; they carry 3 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Blackjack Unit 'B' G-2-285878Eagleville (Eagle Ford-2)Marathon Oil EF LLC101.54MAug 2012 – Jul 2026
Blackjack Unit 'B' O-2-10194Eagleville (Eagle Ford-2)Marathon Oil EF LLC200Jul 2012 – May 2019

Gas, mcf lease total

Last 12 months 5,245 · prior 12 8,738(-40%)

05K10K202420252026

Chain of custody

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

  1. 1Marathon Oil EF LLCAug 2012 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
735713-99DrillPaloma Resources, LLCMar 8, 2012Mar 22, 2012Apr 27, 201213,500

Completions

CompletedLeaseFieldOperatorStatusDepth
—— G-2-285878————
—— O-2-10194————

Formation tops

As filed on W-2/G-1. Subsea from 349 ft elevation.Download CSV →

FormationMD ftSubsea
Anacacho12,357-12,008
Austin Chalk12,502-12,153
Eagle Ford12,670-12,321
Eagle FordEAGLEFORD12,670-12,321

Perforations

Perforated and open-hole intervals.

FromToType
13,13319,181Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.6254,01812.251,275 S
5.519,2558.752,690 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 11, 2019Jan 14, 2019—
00Dec 3, 2012Oct 1, 2012Yes

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/25532386, documented in the API reference.