WELL · 42-483-33962 · DISTRICT 10
E. R. Blocker 504 #504H
Wheeler County · Mills Ranch (Granite Wash Cons.) field · Producing · Horizontal
E. R. Blocker 504 #504H (API 42-483-33962) is a horizontal well in Wheeler County operated by Unbridled Resources LLC, completed August 16, 2018 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit (amended twice), issued January 12, 2018, permitted to 10,800 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 99.7K barrels of oil and 221K mcf of gas since August 2018, last reporting in July 2026.
Operator of record
Permitted by 4P Energy Texas, LLC; 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 schedule | Unbridled Resources LLC |
| Production reports | Unbridled Resources, LLCthrough Apr 2026 |
| Latest permit | 4P 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.
- 10,800
- total depth, ft
- 3
- permits on file
- Jan 12, 2018
- last permit issued
- Aug 16, 2018
- completed
- 99.7K
- cumulative oil, bbl
- 221K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Aug 2018 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Aug 16, 2018
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active (A)
Surface location
35.416508, -100.117581
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 →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| E. R. Blocker 504 O-14-9661 | Mills Ranch (Granite Wash Cons.) | Unbridled Resources, LLC | 1 | 99.7K | 221K | Aug 2018 – Jul 2026 |
Oil, barrels lease total
Last 12 months 4,270 · prior 12 4,375(-2%)
Gas, mcf lease total
Last 12 months 12,225 · prior 12 9,517(+28%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 14P Energy Texas, LLCNov 2018 → Oct 2020
- 2Unbridled Resources, LLCNov 2020 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 834928-97 | Drill | 4P Energy Texas, LLC | May 3, 2018 | Jan 12, 2018 | Mar 12, 2018 | 10,800 |
| 834928-98 | Drill | 4P Energy Texas, LLC | Apr 16, 2018 | Jan 12, 2018 | Mar 12, 2018 | 10,800 |
| 834928-99 | Drill | 4P Energy Texas, LLC | Jan 8, 2018 | Jan 12, 2018 | Mar 12, 2018 | 10,800 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-14-9661 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Download CSV →
| Formation | MD ft |
|---|---|
| Brown DolomiteBROWN DOLOMITE (LOWER) - PRESSUR | 4,575 |
| PennsylvanianPENNSYLVANIAN SHALE | 6,370 |
| Douglas | 8,698 |
| Tonkawa | 9,500 |
| 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.
| From | To | Type |
|---|---|---|
| 10,640 | 15,159 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 377 | 17.5 | 500 S |
| 9.625 | 6,601 | 12.25 | 515 S |
| 5.5 | 15,302 | 8.75 | 2,265 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 →
| Suffix | Filed | W-2 / G-1 date | Logs referenced |
|---|---|---|---|
| 00 | Feb 1, 2019 | Dec 13, 2018 | Yes |
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.
- Wellbore filings for 42-483-33962 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-483-33962 → scanned completion filings
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 neighbors, subsea-aligned so they line up regardless of surface terrain.
E. R. Blocker 30442-483-33960
0.0 KM · 4P Energy Texas, LLC · Section with this well →
| Brown Dolomite | 4,517 | |
| Pennsylvanian | 6,318 | |
| Douglas | 8,637 | |
| Tonkawa | 9,429 | |
| Granite Washe - Panhandle Field | — | |
| Glorieta | — | |
| Brown Dolomite | — | |
| Blaine - Pressured (Artisian) AN | — |
10 TOPS · FIRST 8
E. R. Blocker 40442-483-33961
0.1 KM · 4P Energy Texas, LLC · Section with this well →
| Kansas City | 10,634 | |
| Atoka | — | |
| Cherokee Washes | — | |
| Missouri Basal | — | |
| Kinderhook | — | |
| Chert | — | |
| Des Moines | — | |
| Cleveland | — |
10 TOPS · FIRST 8
E. R. Blocker 60442-483-33963
0.1 KM · 4P Energy Texas, LLC · Section with this well →
| Brown Dolomite | 4,522 | |
| Pennsylvanian | 6,375 | |
| Douglas | 8,709 | |
| Tonkawa | 9,509 | |
| 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 Dolomite | 4,616 | |
| Pennsylvanian | 6,486 | |
| Douglas | 8,754 | |
| Tonkawa | 9,587 | |
| 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 Dolomite | 4,682 | |
| Pennsylvanian | 6,447 | |
| Douglas | 8,728 | |
| Tonkawa | 9,519 | |
| 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 Dolomite | 4,569 | |
| Pennsylvanian | 6,331 | |
| Douglas | 8,571 | |
| Tonkawa | 9,338 | |
| Wichita-Albany | — | |
| Granite Washe - Panhandle Field | — | |
| Granite Washes | — | |
| Glorieta | — |
10 TOPS · FIRST 8
Luker42-483-33941
3.0 KM · 4P Energy Texas, LLC · Section with this well →
| Brown Dolomite | 4,758 | -2,387 |
| Pennsylvanian | 6,753 | -4,382 |
| Douglas | 9,039 | -6,668 |
| Tonkawa | 9,905 | -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 Dolomite | 4,762 | -2,391 |
| Pennsylvanian | 6,768 | -4,397 |
| Douglas | 9,045 | -6,674 |
| Tonkawa | 9,915 | -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/48333962, documented in the API reference.