WELL · 42-211-35620 · DISTRICT 10
William 12X77A #1H
Hemphill County · Lipscomb (Cleveland) field · Producing · Horizontal
William 12x77a #1H (API 42-211-35620) is a horizontal well in Hemphill County operated by Unbridled Resources LLC, completed February 24, 2019 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit (amended once), issued July 6, 2018, permitted to 9,000 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, Douglas, Tonkawa, Kansas City.
Its lease has reported 77.1K barrels of oil and 386K mcf of gas since February 2019, last reporting in July 2026.
Operator of record
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 schedule | Unbridled Resources LLC |
| Production reports | Unbridled Resources, LLCthrough Apr 2026 |
| Latest permit | 4P Energy Texas, LLCJul 6, 2018 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 9,000
- total depth, ft
- 2
- permits on file
- Jul 6, 2018
- last permit issued
- Feb 24, 2019
- completed
- 77.1K
- cumulative oil, bbl
- 386K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Feb 2019 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Feb 24, 2019
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active
Surface location
36.042106, -100.224317
OpenStreetMap → · Google Maps →
Permit surface location from the RRC GIS record, in Hemphill 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 |
|---|---|---|---|---|---|---|
| William 12X77A O-14-9710 | Lipscomb (Cleveland) | Unbridled Resources, LLC | 1 | 77.1K | 386K | Feb 2019 – Jul 2026 |
Gas, mcf lease total
Last 12 months 49,185 · prior 12 48,534(+1%)
Oil, barrels lease total
Last 12 months 5,466 · prior 12 5,796(-6%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 14P Energy Texas, LLCSep 2019 → Oct 2020
- 2Unbridled Resources, LLCNov 2020 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 842028-98 | Drill | 4P Energy Texas, LLC | Aug 16, 2018 | Jul 6, 2018 | Sep 19, 2018 | 9,000 |
| 842028-99 | Drill | 4P Energy Texas, LLC | Jul 5, 2018 | Jul 6, 2018 | Sep 19, 2018 | 9,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-14-9710 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,674 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Brown DolomiteBROWN DOLOMITE - PROD, PRESSURED | 3,906 | -1,232 |
| Douglas | 6,867 | -4,193 |
| Tonkawa | 7,571 | -4,897 |
| Kansas CityKANSAS CITY (HOGSHOOTER) | 8,362 | -5,688 |
| Cleveland | 8,599 | -5,925 |
| Brownsville | — | — |
| OswegoOSWEGO UPPER | — | — |
| PennsylvanianPENNSYLVANIAN (MARMATON) | — | — |
| PennsylvanianPENNSYLVANIAN SAND | — | — |
| Topeka | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 9,524 | 19,750 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 840 | 17.5 | 895 S |
| 7 | 8,265 | 8.75 | 980 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 | Mar 17, 2020 | Oct 7, 2019 | 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 42-211-35620 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-211-35620 → 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 neighbours, subsea-aligned so they line up regardless of surface terrain.
William 13X76D42-211-35618
0.0 KM · 4P Energy Texas, LLC · Section with this well →
| Brown Dolomite | 3,907 | -1,232 |
| Douglas | 6,853 | -4,178 |
| Tonkawa | 7,558 | -4,883 |
| Kansas City | 8,371 | -5,696 |
| Cleveland | 8,583 | -5,908 |
| Brownsville | — | |
| Topeka | — | |
| Pennsylvanian | — |
10 TOPS · FIRST 8
Dake 61X14C42-295-34384
2.0 KM · 4P Energy Texas, LLC · Section with this well →
| Brown Dolomite | 3,894 | -1,198 |
| Pennsylvanian | 5,520 | -2,824 |
| Douglas | 6,788 | -4,092 |
| Tonkawa | 7,520 | -4,824 |
| Cottage Grove | 8,041 | -5,345 |
| Kansas City | 8,314 | -5,618 |
| Cleveland | 8,529 | -5,833 |
| Cherokee | — |
10 TOPS · FIRST 8
Dake 61X14B42-211-35632
3.1 KM · 4P Energy Texas, LLC · Section with this well →
| Brown Dolomite | 3,882 | -1,253 |
| Douglas | 6,848 | -4,219 |
| Tonkawa | 7,535 | -4,906 |
| Kansas City | 8,384 | -5,755 |
| Cleveland | 8,604 | -5,975 |
| Pennsylvanian | — | |
| Topeka | — | |
| Oswego | — |
10 TOPS · FIRST 8
Dake 61X14A42-211-35631
3.1 KM · 4P Energy Texas, LLC · Section with this well →
| Brown Dolomite | 3,906 | -1,277 |
| Douglas | 6,776 | -4,147 |
| Tonkawa | 7,463 | -4,834 |
| Kansas City | 8,315 | -5,686 |
| Cleveland | 8,530 | -5,901 |
| Brownsville | — | |
| Oswego | — | |
| Pennsylvanian | — |
10 TOPS · FIRST 8
Lockhart 5842-211-35299
3.4 KM · Upland Resources LLC · Section with this well →
| Brown Dolomite | 4,300 | -1,621 |
| Topeka | 6,200 | -3,521 |
| Brownsville | 6,500 | -3,821 |
| Douglas | 6,784 | -4,105 |
| Tonkawa | 7,524 | -4,845 |
| Pennsylvanian | 8,000 | -5,321 |
| Kansas City | 8,725 | -6,046 |
| Cleveland | 8,762 | -6,083 |
10 TOPS · FIRST 8
Elmer Sparks-Bussard 63 A42-211-35675
5.6 KM · Mewbourne Oil Company · Section with this well →
| Brown Dolomite | 3,966 | -1,313 |
| Douglas | 6,877 | -4,224 |
| Tonkawa | 7,550 | -4,897 |
| Kansas City | 8,450 | -5,797 |
| Cleveland | 8,746 | -6,093 |
| Oswego | — | |
| Pennsylvanian | — | |
| Pennsylvanian | — |
10 TOPS · FIRST 8
Lockhart 5642-211-33637
6.5 KM · Upland Resources LLC · Section with this well →
| Douglas | 6,897 | -4,237 |
James-Burrus 253/276 A42-295-34396
8.2 KM · Mewbourne Oil Company · Section with this well →
| Brown Dolomite | 3,794 | -1,176 |
| Douglas | 6,646 | -4,028 |
| Tonkawa | 7,360 | -4,742 |
| Cleveland | 8,480 | -5,862 |
| Cherokee | — | |
| Granite Washes | — | |
| Hepler | — | |
| Hugoton - H2S Corrosive | — |
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/21135620, documented in the API reference.