TEXAS · WELLS · WHEELER COUNTY · TREADWELL 35 LEASE · API 42-483-32540 · DISTRICT 08

Treadwell 35 #4

Shut in

Wheeler County · Buffalo Wallow (Granite Wash) field · Temp Abandoned  · Vertical

Treadwell 35 #4 (API 42-483-32540) is a well in Wheeler County operated by Unbridled Resources LLC, completed March 15, 2008 and listed as temp abandoned on the RRC schedule, shut in April 1, 2015.

The RRC has issued 2 drilling permits between 2008 and 2011, permitted to 14,120 ft.

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

Completion filings report 8 formation tops, including B/Heebner-T/Douglas, T/Tonkawa, T/Carr Gw, Caldwell Gw.

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

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 reportsEnervest Operating, L.L.C.through Mar 2015
Latest permitLinn Operating, Inc.Apr 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.

14,120
total depth, ft
2
permits on file
Apr 5, 2011
last permit issued
Mar 15, 2008
completed
0
cumulative oil, bbl
456K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Mar 2008 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Mar 15, 2008
Shut in
Apr 1, 2015
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; this well is the only one on it.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Treadwell 35 G-14-237102Dyco (Granite Wash)Unbridled Resources, LLC10456KMar 2008 – Jul 2026

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. 1Linn Operating, Inc.Mar 2008 → Dec 2014
  2. 2Enervest Operating, L.L.C.Jan 2015 → Mar 2015

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
712841-99Field transferLinn Operating, Inc.Mar 25, 2011Apr 5, 2011Jan 19, 200814,900
652696-99DrillLinn Operating, Inc.Jan 8, 2008Jan 16, 2008Jan 19, 200814,900

Completions

CompletedLeaseFieldOperatorStatusDepth
Mar 15, 2008Treadwell 35 G-14-237102Buffalo Wallow (Granite Wash)Unbridled Resources LLCTemp Abandoned · shut in Apr 1, 201514,120
Mar 15, 2008Treadwell 35 G-14-237102Buffalo Wallow (Granite Wash)Unbridled Resources LLCTemp Abandoned · shut in Apr 1, 201514,120

Formation tops

As filed on W-2/G-1. Subsea from 2,655 ft elevation.Download CSV →

FormationMD ftSubsea
B/Heebner-T/Douglas8,359-5,704
T/Tonkawa9,197-6,542
T/Carr GW11,416-8,761
Caldwell GW11,472-8,817
Caldwellgw11,472-8,817
Granite WashGRANITE WASH A11,708-9,053
GW A11,708-9,053
AtokaATOKA WASH13,065-10,410

Perforations

Perforated and open-hole intervals.

FromToType
11,46613,796Perforated
11,46643,796Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.6253,34012.251,875 S
5.514,1177.875600 S
9.62533,40012.251,875 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, 2012Apr 21, 2011—
00Aug 20, 2008May 12, 2008Yes
00Jul 28, 2008——

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/48332540, documented in the API reference.