WELL · 42-255-32614 · DISTRICT 2

Turnbull Unit G #15H

N

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

Turnbull Unit G #15H (API 42-255-32614) is a horizontal well in Karnes County operated by Marathon Oil EF LLC, completed September 22, 2012.

The RRC has issued one drilling permit (amended twice), issued July 5, 2012, permitted to 17,000 ft.

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

Its 2 leases have reported 5.71K barrels of oil and 1.11M mcf of gas since September 2012, last reporting in July 2026. The leases carry 6 wells, so these are lease totals, not this well alone.

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 Jan 2022
Latest permitMarathon Oil EF LLCJul 5, 2012
17,000
total depth, ft
3
permits on file
Jul 5, 2012
last permit issued
Sep 22, 2012
completed
5.71K
cumulative oil, bbl
1.11M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Sep 2012 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
Sep 22, 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 6 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Turnbull Unit G G-2-289312Eagleville (Eagle Ford-2)Marathon Oil EF LLC101.09MSep 2012 – Jul 2026
Turnbull Unit G O-2-10242Eagleville (Eagle Ford-2)Marathon Oil EF LLC55.71K23KSep 2012 – Oct 2023

No volumes reported on these leases in the last three years.

Chain of custody

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

  1. 1Marathon Oil EF LLCSep 2012 → Jan 2022

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
743338-97DrillMarathon Oil EF LLCSep 5, 2012Jul 5, 2012Jul 16, 201217,000
743338-98DrillMarathon Oil EF LLCJul 16, 2012Jul 5, 2012—17,000
743338-99DrillMarathon Oil EF LLCJun 21, 2012Jul 5, 2012Jul 16, 201217,000

Completions

CompletedLeaseFieldOperatorStatusDepth
—— G-2-289312————
—— O-2-10242————

Formation tops

As filed on W-2/G-1. Subsea from 348 ft elevation.Download CSV →

FormationMD ftSubsea
Anacacho11,285-10,937
Austin Chalk11,463-11,115
Eagle Ford11,580-11,232

Perforations

Perforated and open-hole intervals.

FromToType
11,50018,032Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.6255,97412.251,750 S
5.518,4008.751,855 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
00Jun 30, 2020May 19, 2020—
00Jan 15, 2013Oct 23, 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/25532614, documented in the API reference.