WELL · 42-127-35690 · DISTRICT 1
Willerson #1H
Dimmit County · Wildcat field · Horizontal
Willerson #1H (API 42-127-35690) is a horizontal well in Dimmit County operated by U.S. Enercorp Ltd., completed September 5, 2013.
The RRC has issued one drilling permit (amended once), issued July 30, 2013, permitted to 7,400 ft.
Completion filings report 5 formation tops, including Anacacho, Austin Chalk, Eagle Ford, Buda.
Its 2 leases have reported 70.3K barrels of oil and 706K mcf of gas since September 2013, last reporting in July 2026. The leases carry 3 wells, so these are lease totals, not this well alone.
Operator of record
San Antonio, TX · P-5 Y, filed Apr 3, 2020 · 102 permits on file · (877) 349-5459
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | U.S. Enercorp Ltd. |
| Production reports | D90 Energy, LLCthrough Aug 2024 |
| Latest permit | U.S. Enercorp, Ltd.Jul 30, 2013 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 7,400
- total depth, ft
- 2
- permits on file
- Jul 30, 2013
- last permit issued
- Sep 5, 2013
- completed
- 70.3K
- cumulative oil, bbl
- 706K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Sep 2013 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Sep 5, 2013
- Shut in
- —
- Plugged
- —
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 2 leases this well is completed on; they carry 3 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Willerson O-1-17685 | Pearsall (Buda, S.) | D90 Energy, LLC | 2 | 70.3K | 706K | Oct 2013 – Jul 2026 |
| Willerson O-1-17677 | Wildcat | U.S. Enercorp, Ltd. | 1 | 0 | 0 | Sep 2013 – Oct 2014 |
Gas, mcf lease total
Last 12 months 0 · prior 12 9,665(-100%)
Oil, barrels lease total
Last 12 months 0 · prior 12 548(-100%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1U.S. Enercorp, Ltd.Oct 2013 → Jul 2016
- 2D90 Energy, LLCAug 2016 → Aug 2024
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 767073-98 | Drill | U.S. Enercorp, Ltd. | Apr 11, 2014 | Jul 30, 2013 | Aug 26, 2013 | 7,312 |
| 767073-99 | Drill | U.S. Enercorp, Ltd. | Jul 25, 2013 | Jul 30, 2013 | Aug 26, 2013 | 7,400 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-1-17677 | — | — | — | — |
| — | — O-1-17685 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 560 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| AnacachoTOP OF ANACACHO | 5,686 | -5,126 |
| AnacachoTOP OF ANACACHO | 5,700 | -5,140 |
| Austin ChalkTOP OF AUSTIN CHALK | 5,986 | -5,426 |
| Austin ChalkTOP OF AUSTIN CHALK | 6,180 | -5,620 |
| Eagle FordTOP OF EAGLE FORD | 6,720 | -6,160 |
| Eagle FordTOP OF EAGLE FORD | 6,728 | -6,168 |
| BudaTOP OF BUDA | 7,053 | -6,493 |
| BudaTOP OF BUDA | 7,060 | -6,500 |
| Del RioTOP OF DEL RIO | 7,220 | -6,660 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 7,258 | 11,030 | Open hole |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 2,652 | 12.25 | 850 S |
| 7 | 7,258 | 8.75 | 260 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 | Aug 8, 2014 | Feb 19, 2014 | Yes |
| 00 | Jul 31, 2014 | Feb 12, 2014 | 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 42-127-35690 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-127-35690 → 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.
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/12735690, documented in the API reference.