WELL · 42-185-30770 · DISTRICT 3

Altimore #1H

Y

Grimes County · Madisonville W. (Woodbine -A-) field · Producing  · Horizontal

Altimore #1H (API 42-185-30770) is a horizontal well in Grimes County operated by Proven Natural Resources LLC, completed April 17, 2012 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit (amended once), issued January 6, 2012, permitted to 9,385 ft.

It was permitted by Marlin Energy Southwest GP, LLC and has since transferred to Proven Natural Resources LLC on the wellbore schedule.

Completion filings report 3 formation tops, including Austin Chalk, Sub-Clarksville, Woodbine.

Its lease has reported 52.8K barrels of oil and 213K mcf of gas since March 2012, last reporting in July 2026.

Operator of record

Proven Natural Resources LLC

Permitted by Marlin Energy Southwest GP, LLC; the EWA schedule now lists a different operator.

Canton, TX · P-5 Y, filed Nov 4, 2025 · (936) 661-3330

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleProven Natural Resources LLC
Production reportsProven Natural Resources LLCthrough Apr 2026
Latest permitMarlin Energy Southwest GP, LLCJan 6, 2012

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

9,385
total depth, ft
2
permits on file
Jan 6, 2012
last permit issued
Apr 17, 2012
completed
52.8K
cumulative oil, bbl
213K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Mar 2012 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Apr 17, 2012
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; this well is the only one on it.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Altimore O-3-25958Madisonville, W. (Woodbine -A-)Proven Natural Resources LLC152.8K213KMar 2012 – Jul 2026

Gas, mcf lease total

Last 12 months 0 · prior 12 2,229(-100%)

01K2K202420252026

Oil, barrels lease total

Last 12 months 368 · prior 12 139(+165%)

0100200202420252026

Chain of custody

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

  1. 1Marlin Energy Southwest GP, LLCMar 2012 → Dec 2012
  2. 2Marlin Energy Resources, LLCJan 2013 → May 2018
  3. 3Etx Energy, LLCJun 2018 → Jul 2022
  4. 4Trailblazer Energy Resources,llcAug 2022 → Jun 2024
  5. 5Proven Natural Resources LLCOct 2024 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
730904-98DrillMarlin Energy Southwest GP, LLCFeb 9, 2012Jan 6, 2012Jan 15, 20129,385
730904-99DrillMarlin Energy Southwest GP, LLCJan 3, 2012Jan 6, 2012Jan 15, 20129,385

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-3-25958————

Formation tops

As filed on W-2/G-1. Subsea from 302 ft elevation.Download CSV →

FormationMD ftSubsea
Austin Chalk8,692-8,390
Sub-Clarksville9,058-8,756
Woodbine9,091-8,789

Perforations

Perforated and open-hole intervals.

FromToType
9,95410,082Perforated
10,13610,265Perforated
10,30810,431Perforated
10,49410,612Perforated
10,67010,792Perforated
10,85610,972Perforated
11,02211,146Perforated
11,20711,327Perforated
11,37811,502Perforated
11,56011,677Perforated
11,73411,854Perforated
11,90412,040Perforated
12,08612,088Perforated
12,30412,467Perforated
12,52312,690Perforated
12,74012,908Perforated
12,97813,124Perforated
13,20213,380Perforated
13,47013,630Perforated
13,69013,854Perforated
13,91614,076Perforated
14,14214,310Perforated
14,36614,534Perforated
14,60014,762Perforated
14,82614,990Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
10.753,03513.51,605 S
7.6259,6089.875965 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
00Jan 7, 2013May 22, 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/18530770, documented in the API reference.