WELL · 42-177-30505 · DISTRICT 1
Tenberg Garland Unit #1H
Gonzales County · Pilgrim (Austin Chalk) field · Horizontal · Sidetrack
Tenberg Garland Unit #1H (API 42-177-30505) is a plugged horizontal well in Gonzales County, plugged September 20, 1999, last operated by Unit Petroleum Company.
The RRC has issued 2 drilling permits (amended once) between 1979 and 1990, permitted to 9,800 ft.
It was permitted by Tuskar (Texas), Inc. and has since transferred to Unit Petroleum Company on the wellbore schedule.
Completion filings report 3 formation tops, including Wilcox, Taylor, Austin Chalk.
Its lease has reported 15.8K barrels of oil and 6.81K mcf of gas since January 1993, last reporting in November 1999. The lease carries 2 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Tuskar (Texas), Inc.; the EWA schedule now lists a different operator.
Tulsa, OK · P-5 Y, filed Dec 4, 2025 · 1,100 permits on file · (918) 493-7700
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Unit Petroleum Company |
| Production reports | Unit Petroleum Companythrough Oct 1998 |
| Latest permit | Tuskar (Texas), Inc.Sep 17, 1990 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 9,800
- total depth, ft
- 3
- permits on file
- Sep 17, 1990
- last permit issued
- Oct 22, 1990
- completed
- 15.8K
- cumulative oil, bbl
- 6.81K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Nov 1999
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Oct 22, 1990
- Shut in
- —
- Plugged
- Sep 20, 1999
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; they carry 2 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Tenberg, Garland Unit O-1-6078 | Pilgrim (Austin Chalk) | Unit Petroleum Company | 2 | 15.8K | 6.81K | Jan 1993 – Nov 1999 |
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.
- 1Tuskar (Texas), Inc.Jan 1993 → Jan 1993
- 2DI Energy Inc.Feb 1993 → Jul 1995
- 3Willis Drilling Co., Inc.Aug 1995 → Aug 1995
- 4Unit Petroleum CompanySep 1995 → Oct 1998
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 377590-98 | Recompletion · sidetrack | Tuskar (Texas), Inc. | Aug 27, 1991 | Sep 17, 1990 | — | 8,217 |
| 377590-99 | Recompletion · sidetrack | Tuskar (Texas), Inc. | Sep 6, 1990 | Sep 17, 1990 | — | 9,800 |
| 56875-99 | Drill | Geological Research Corp. | Aug 30, 1979 | Aug 30, 1979 | — | 8,600 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-1-6078 | — | — | — | — |
| — | — O-1-6078 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 268 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| WilcoxBASE WILCOX | 5,225 | -4,957 |
| Taylor | 7,742 | -7,474 |
| Austin Chalk | 7,885 | -7,617 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 8,093 | 8,150 | Perforated |
| 8,140 | 9,528 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 430 | 12.25 | 175 S |
| 2.875 | 7,703 | — | — |
| 5.5 | 7,900 | 7.875 | 1,025 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 | Dec 18, 1990 | Oct 26, 1990 | Yes |
| 00 | Nov 21, 1990 | — | — |
| 00 | Jan 12, 1984 | Feb 4, 1980 | — |
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 42-177-30505 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-177-30505 → 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/17730505, documented in the API reference.