WELL · 42-483-33960 · DISTRICT 10

E. R. Blocker 304 #304H

Y

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

E. R. Blocker 304 #304H (API 42-483-33960) is a horizontal well in Wheeler County operated by Unbridled Resources LLC, completed August 29, 2018 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit (amended twice), issued January 12, 2018, permitted to 10,700 ft.

It was permitted by 4p Energy Texas, LLC and has since transferred to Unbridled Resources LLC on the wellbore schedule.

Completion filings report 9 formation tops, including Brown Dolomite, Pennsylvanian, Douglas, Tonkawa.

Its lease has reported 97.6K barrels of oil and 217K mcf of gas since August 2018, last reporting in July 2026.

Operator of record

Unbridled Resources LLC

Permitted by 4P Energy Texas, LLC; the EWA schedule now lists a different operator.

Oklahoma City, OK · P-5 Y, filed Sep 4, 2025 · 6 permits on file · (844) 507-5540

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleUnbridled Resources LLC
Production reportsUnbridled Resources, LLCthrough Apr 2026
Latest permit4P Energy Texas, LLCJan 12, 2018

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

10,700
total depth, ft
3
permits on file
Jan 12, 2018
last permit issued
Aug 29, 2018
completed
97.6K
cumulative oil, bbl
217K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Aug 2018 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Aug 29, 2018
Shut in
—
Plugged
—

Operator's P-5 on the schedule: Active

Surface location

35.416509, -100.117648

OpenStreetMap → ·  Google Maps →

Permit surface location from the RRC GIS record, in Wheeler County.

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
E. R. Blocker 304 O-14-9662Mills Ranch (Granite Wash Cons.)Unbridled Resources, LLC197.6K217KAug 2018 – Jul 2026

Oil, barrels lease total

Last 12 months 4,105 · prior 12 5,647(-27%)

05001K202420252026

Gas, mcf lease total

Last 12 months 23,540 · prior 12 21,356(+10%)

01K2K3K202420252026

Chain of custody

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

  1. 14P Energy Texas, LLCNov 2018 → Oct 2020
  2. 2Unbridled Resources, LLCNov 2020 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
834904-97Drill4P Energy Texas, LLCMay 1, 2018Jan 12, 2018Mar 11, 201810,700
834904-98Drill4P Energy Texas, LLCApr 16, 2018Jan 12, 2018Mar 11, 201810,700
834904-99Drill4P Energy Texas, LLCJan 8, 2018Jan 12, 2018Mar 11, 201810,700

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-14-9662————

Formation tops

As filed on W-2/G-1. Download CSV →

FormationMD ft
Brown DolomiteBROWN DOLOMITE (LOWER) - PRESSUR4,517
PennsylvanianPENNSYLVANIAN SHALE6,318
Douglas8,637
Tonkawa9,429
Blaine - Pressured (Artisian) AN—
Brown DolomiteBROWN DOLOMITE (UPPER) - PANHAND—
GlorietaGLORIETA - OLD WATERFLOOD; CORRO—
Granite Washe - Panhandle Field—
Granite Washes—
Wichita-AlbanyWICHITA DOLOMITE—

Perforations

Perforated and open-hole intervals.

FromToType
10,35015,034Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
13.37537717.5430 S
9.6256,55312.25515 S
5.515,1768.752,270 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 1, 2019Dec 13, 2018Yes

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.

Nearby wells and their tops

NEAREST 8 LOCATED WELLS WITH TOPS · WITHIN 16 KM

Draw a cross-section

This well's tops beside its 5 nearest neighbours, subsea-aligned so they line up regardless of surface terrain.

Open the cross-section →

E. R. Blocker 50442-483-33962

0.0 KM · 4P Energy Texas, LLC · Section with this well →

Brown Dolomite4,575
Pennsylvanian6,370
Douglas8,698
Tonkawa9,500
Blaine - Pressured (Artisian) AN—
Brown Dolomite—
Wichita-Albany—
Granite Washe - Panhandle Field—

10 TOPS · FIRST 8

E. R. Blocker 40442-483-33961

0.1 KM · 4P Energy Texas, LLC · Section with this well →

Kansas City10,634
Kinderhook—
Des Moines—
Oswego—
Morrow—
Missouri Basal—
Atoka—
Cherokee Washes—

10 TOPS · FIRST 8

E. R. Blocker 60442-483-33963

0.1 KM · 4P Energy Texas, LLC · Section with this well →

Brown Dolomite4,522
Pennsylvanian6,375
Douglas8,709
Tonkawa9,509
Glorieta—
Wichita-Albany—
Granite Washes—
Granite Washe - Panhandle Field—

10 TOPS · FIRST 8

Burrell Xla42-483-33952

1.6 KM · 4P Energy Texas, LLC · Section with this well →

Brown Dolomite4,616
Pennsylvanian6,486
Douglas8,754
Tonkawa9,587
Brown Dolomite—
Blaine - Pressured (Artisian) AN—
Wichita-Albany—
Granite Washes—

10 TOPS · FIRST 8

Hefley 4C42-483-33967

2.6 KM · 4P Energy Texas, LLC · Section with this well →

Brown Dolomite4,682
Pennsylvanian6,447
Douglas8,728
Tonkawa9,519
Wichita-Albany—
Blaine - Pressured (Artisian) AN—
Brown Dolomite—
Glorieta—

10 TOPS · FIRST 8

Hefley 4A42-483-33964

2.6 KM · 4P Energy Texas, LLC · Section with this well →

Brown Dolomite4,569
Pennsylvanian6,331
Douglas8,571
Tonkawa9,338
Wichita-Albany—
Granite Washe - Panhandle Field—
Granite Washes—
Glorieta—

10 TOPS · FIRST 8

Luker42-483-33941

3.1 KM · 4P Energy Texas, LLC · Section with this well →

Brown Dolomite4,758-2,387
Pennsylvanian6,753-4,382
Douglas9,039-6,668
Tonkawa9,905-7,534
Granite Washe - Panhandle Field—
Brown Dolomite—
Blaine - Pressured (Artisian) AN—
Wichita-Albany—

10 TOPS · FIRST 8

Luker42-483-33940

3.1 KM · 4P Energy Texas, LLC · Section with this well →

Brown Dolomite4,762-2,391
Pennsylvanian6,768-4,397
Douglas9,045-6,674
Tonkawa9,915-7,544
Wichita-Albany—
Granite Washe - Panhandle Field—
Granite Washes—
Blaine - Pressured (Artisian) AN—

10 TOPS · FIRST 8

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/48333960, documented in the API reference.