TEXAS · WELLS · WHEELER COUNTY · BLOCKER, E. R. LEASE · API 42-483-30521 · DISTRICT 08

Blocker E. R. #1

Shut in

Wheeler County · Mills Ranch (Granite Wash) field · Shut In  · Vertical

Blocker E. R. #1 (API 42-483-30521) is a well in Wheeler County operated by Unbridled Resources LLC, completed December 20, 1978 and listed as shut in on the RRC schedule, shut in September 1, 2015.

The RRC has issued one drilling permit, issued April 12, 1978, permitted to 11,225 ft.

It was permitted by Taubert & Steed and has since transferred to Unbridled Resources LLC on the wellbore schedule.

Its lease has reported 17.2K barrels of oil and 104 mcf of gas since January 1993, last reporting in July 2026.

Operator of record

Unbridled Resources LLC

Permitted by Taubert & Steed; 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 Aug 2014
Latest permitTaubert & SteedApr 12, 1978

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

11,225
total depth, ft
1
permits on file
Apr 12, 1978
last permit issued
Dec 20, 1978
completed
17.2K
cumulative oil, bbl
104
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Dec 20, 1978
Shut in
Sep 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
Blocker, E. R. O-14-4372Mills Ranch (Granite Wash)Unbridled Resources, LLC117.2K104Jan 1993 – 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. 1Taubert & SteedJan 1993 → Aug 2001
  2. 2Questar Expl. and Prod. Co.Sep 2001 → Jul 2010
  3. 3QEP Energy CompanySep 2010 → Feb 2014
  4. 4Enervest Operating, L.L.C.Aug 2014 → Aug 2014

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
21988-99DrillTaubert & SteedApr 12, 1978Apr 12, 1978Jul 2, 197811,000

Completions

CompletedLeaseFieldOperatorStatusDepth
Dec 20, 1978Blocker E. R. O-14-4372Mills Ranch (Granite Wash)Unbridled Resources LLCShut In · shut in Sep 1, 201511,225

Perforations

Perforated and open-hole intervals.

FromToType
10,76411,145Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
13.375270—400 S
9.6253,643—900 S
5.511,202—450 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 12, 1984——

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/48330521, documented in the API reference.