WELL · 42-399-35260 · DISTRICT 7

Colburn #1

Y

Runnels County · Winters North (Gardner Sand) field · Shut IN  · Vertical

Colburn #1 (API 42-399-35260) is a well in Runnels County operated by Hardrock Resources Inc., completed May 20, 2011 and listed as shut in on the RRC schedule.

The RRC has issued one drilling permit, issued May 5, 2011, permitted to 5,000 ft.

It was permitted by Texas Operating & Consult., LLC and has since transferred to Hardrock Resources Inc. on the wellbore schedule.

Completion filings report 2 formation tops, including B/Palo Pinto, Gardner Sand.

Its lease has reported 9.08K barrels of oil since May 2011, last reporting in July 2026.

Operator of record

Hardrock Resources Inc.

Permitted by Texas Operating & Consult., LLC; the EWA schedule now lists a different operator.

Winters, TX · P-5 Y, filed Nov 4, 2025 · 4 permits on file · (325) 716-9033

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleHardrock Resources Inc.
Production reportsHardrock Resources Inc.through Nov 2023
Latest permitTexas Operating & Consult., LLCMay 5, 2011

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

5,000
total depth, ft
1
permits on file
May 5, 2011
last permit issued
May 20, 2011
completed
9.08K
cumulative oil, bbl
0
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · May 2011 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
May 20, 2011
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
Colburn O-9-17444Winters, North (Gardner Sand)Hardrock Resources Inc.19.08K0May 2011 – Jul 2026

Oil, barrels lease total

Last 12 months 0 · prior 12 0

0100200300202420252026

Chain of custody

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

  1. 1Texas Operating & Consult., LLCMay 2011 → Oct 2012
  2. 2Powerflex Services Inc.Dec 2013 → Feb 2015
  3. 3Hardrock Resources Inc.Mar 2015 → Nov 2023

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
715460-99DrillTexas Operating & Consult., LLCMay 2, 2011May 5, 2011May 6, 20115,000

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-9-17444————

Formation tops

As filed on W-2/G-1. Subsea from 1,931 ft elevation.Download CSV →

FormationMD ftSubsea
B/Palo Pinto3,943-2,012
Gardner Sand4,495-2,564

Perforations

Perforated and open-hole intervals.

FromToType
4,4954,502Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
8.62517512.25110 S
4.52,5157.875275 S
4.54,5587.875275 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 29, 2012May 24, 2011Yes

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/39935260, documented in the API reference.