WELL · 42-013-33955 · DISTRICT 1
Hess Unit NO.1 #1
Atascosa County · Pearsall (Austin Chalk) field · Horizontal
Hess Unit NO.1 #1 (API 42-013-33955) is a plugged horizontal well in Atascosa County, plugged April 7, 1993, last operated by Gulfstar Properties Inc..
The RRC has issued one drilling permit, issued February 19, 1991, permitted to 5,700 ft.
It was permitted by Amberton Exploration Company and has since transferred to Gulfstar Properties Inc. on the wellbore schedule.
Completion filings report one formation top, including Austin Chalk.
Its lease has reported 107 barrels of oil and 2 mcf of gas since January 1993, last reporting in August 2003.
Operator of record
Permitted by Amberton Exploration Company; the EWA schedule now lists a different operator.
San Antonio, TX · P-5 Y, filed Mar 4, 2026 · 62 permits on file · (210) 722-6941
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Gulfstar Properties Inc. |
| Production reports | Gulfstar Properties, Inc.through Feb 1993 |
| Latest permit | Amberton Exploration CompanyFeb 19, 1991 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 5,700
- total depth, ft
- 1
- permits on file
- Feb 19, 1991
- last permit issued
- Mar 21, 1991
- completed
- 107
- cumulative oil, bbl
- 2
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Aug 2003
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Mar 21, 1991
- Shut in
- —
- Plugged
- Apr 7, 1993
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 |
|---|---|---|---|---|---|---|
| Hess Unit NO.1 O-1-13250 | Pearsall (Austin Chalk) | Gulfstar Properties, Inc. | 1 | 107 | 2 | Jan 1993 – Aug 2003 |
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.
- 1Gulfstar Properties, Inc.Jan 1993 → Feb 1993
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 384870-99 | Drill | Amberton Exploration Company | Feb 19, 1991 | Feb 19, 1991 | Feb 22, 1991 | 5,700 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-1-13250 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 508 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Austin Chalk | 5,413 | -4,905 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 5,170 | 7,595 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 10.75 | 660 | 14.75 | 180 S |
| 7 | 5,170 | 9.875 | 370 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 | Jan 15, 1992 | Apr 5, 1991 | Yes |
| 00 | Oct 9, 1991 | — | — |
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 42-013-33955 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-013-33955 → 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/01333955, documented in the API reference.