WELL · 42-127-33138 · DISTRICT 1
Willerson Unit #1H
Dimmit County · Pearsall (Austin Chalk) field · Horizontal
Willerson Unit #1H (API 42-127-33138) is a plugged horizontal well in Dimmit County, plugged July 15, 2010, last operated by Sage Energy Company.
The RRC has issued one drilling permit, issued October 30, 1997, permitted to 6,700 ft.
Completion filings report 4 formation tops, including Olmos, San Miguel, Anacacho, Austin Chalk.
Its lease has reported 109K barrels of oil and 61.1K mcf of gas since December 1997, last reporting in August 2010.
Operator of record
- Based in
- San Antonio, TX
- P-5 status
- Active (A)
- P-5 last filed
- Oct 10, 2025
- Permits on file
- 1,060
- Phone
- (210) 404-2828
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Sage Energy Company |
| Production reports | Sage Energy Companythrough Jul 2010 |
| Latest permit | Sage Energy CompanyOct 30, 1997 |
- 6,700
- total depth, ft
- 1
- permits on file
- Oct 30, 1997
- last permit issued
- Dec 13, 1997
- completed
- 109K
- cumulative oil, bbl
- 61.1K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Dec 1997 THROUGH Aug 2010
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Dec 13, 1997
- Shut in
- —
- Plugged
- Jul 15, 2010
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 →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Willerson Unit O-1-14199 | Pearsall (Austin Chalk) | Sage Energy Company | 1 | 109K | 61.1K | Dec 1997 – Aug 2010 |
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.
- 1Sage Energy CompanyDec 1997 → Jul 2010
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 469489-99 | Drill | Sage Energy Company | Oct 30, 1997 | Oct 30, 1997 | Oct 31, 1997 | 6,700 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-1-14199 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 557 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| OlmosOLMOS SD. | 4,294 | -3,737 |
| San MiguelSAN MIGUEL SD. | 5,105 | -4,548 |
| Anacacho | 5,780 | -5,223 |
| Austin Chalk | 6,102 | -5,545 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 6,410 | 9,228 | Perforated |
| 6,418 | 10,805 | Perforated |
| 6,582 | 11,770 | Perforated |
| 6,609 | 10,989 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 10.75 | 2,020 | 14.75 | 880 S |
| 7 | 5,821 | 9.875 | 300 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 | Jul 3, 1998 | Dec 23, 1997 | Yes |
| 00 | Jun 25, 1998 | — | — |
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 42-127-33138 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-127-33138 → 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/12733138, documented in the API reference.