WELL · 42-483-33437 · DISTRICT 10

Reed 31 #12H

Shut in

Wheeler County · Mills Ranch (Granite Wash Cons.) field · Shut IN  · Horizontal

Reed 31 #12H (API 42-483-33437) is a horizontal well in Wheeler County operated by Unbridled Resources LLC, completed December 1, 2012 and listed as shut in on the RRC schedule, shut in May 1, 2024.

The RRC has issued one drilling permit (amended once), issued March 22, 2012, permitted to 10,540 ft.

It was permitted by Linn Operating, Inc. and has since transferred to Unbridled Resources LLC on the wellbore schedule.

Completion filings report 9 formation tops, including Brown Dolomite, Pennsylvanian, B/Heebner - T/Douglas, T/Tonkawa.

Its lease has reported 249K barrels of oil and 1.06M mcf of gas since August 2012, last reporting in July 2026. The lease carries 3 wells, so these are lease totals, not this well alone.

Operator of record

Unbridled Resources LLC

Permitted by Linn Operating, Inc.; the EWA schedule now lists a different operator.

Based in
Oklahoma City, OK
P-5 status
Active (A)
P-5 last filed
Dec 17, 2025
Permits on file
6
Phone
(318) 751-3917

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleUnbridled Resources LLC
Production reportsUnbridled Resources, LLCthrough Apr 2026
Latest permitLinn Operating, Inc.Mar 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.

10,540
total depth, ft
2
permits on file
Mar 22, 2012
last permit issued
Dec 1, 2012
completed
249K
cumulative oil, bbl
1.06M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Aug 2012 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Dec 1, 2012
Shut in
May 1, 2024
Plugged
—

Operator's P-5 on the schedule: Active (A)

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 3 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Reed 31 O-14-8879Mills Ranch (Granite Wash Cons.)Unbridled Resources, LLC3249K1.06MAug 2012 – Jul 2026

Oil, barrels lease total

Last 12 months 2,770 · prior 12 2,667(+4%)

0200400600202420252026

Gas, mcf lease total

Last 12 months 16,707 · prior 12 1,308(+1177%)

05K10K15K202420252026

Chain of custody

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

  1. 1Linn Operating, Inc.Aug 2012 → Dec 2014
  2. 2Enervest Operating, L.L.C.Jan 2015 → Mar 2018
  3. 34P Energy Texas, LLCApr 2018 → Oct 2020
  4. 4Unbridled Resources, LLCNov 2020 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
734778-98DrillLinn Operating, Inc.Jun 28, 2013Mar 22, 2012May 6, 201211,103
734778-99DrillLinn Operating, Inc.Feb 27, 2012Mar 22, 2012May 6, 201211,103

Completions

CompletedLeaseFieldOperatorStatusDepth
Dec 1, 2012Reed 31 O-14-8879Mills Ranch (Granite Wash Cons.)Unbridled Resources LLCShut IN · shut in May 1, 202410,540

Formation tops

As filed on W-2/G-1. Subsea from 2,344 ft elevation.Download CSV →

FormationMD ftSubsea
Brown Dolomite4,601-2,257
PennsylvanianPENN SHALE6,421-4,077
B/Heebner - T/Douglas8,675-6,331
T/Tonkawa9,473-7,129
Lansing9,951-7,607
Lower Lansing10,069-7,725
Avant LS10,149-7,805
Kansas CityKANSAS CITY 'A'/HOGSHOOTER10,458-8,114
TD——

Perforations

Perforated and open-hole intervals.

FromToType
10,90815,525Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
13.37540917.5550 S
9.6256,52212.25710 S
5.515,6998.752,210 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
00Oct 13, 2014Jan 3, 2013Yes

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/48333437, documented in the API reference.