WELL · 42-481-33598 · DISTRICT 3
Hillje Oil Unit #1
Wharton County · Tenna (Hillje Sand) field · Vertical
Hillje Oil Unit #1 (API 42-481-33598) is a plugged well in Wharton County, plugged October 26, 2018, last operated by Viper S.W.D. LLC.
The RRC has issued one drilling permit, issued November 10, 1992, permitted to 4,300 ft.
It was permitted by Hardwick Oil Company and has since transferred to Viper S.W.D. LLC on the wellbore schedule.
Completion filings report 2 formation tops, including Catahoula, Frio.
Its lease has reported 161K barrels of oil and 22.5K mcf of gas since January 1993, last reporting in January 2019.
Operator of record
Permitted by Hardwick Oil Company; the EWA schedule now lists a different operator.
EL Campo, TX · P-5 Y, filed May 4, 2026 · 43 permits on file · (979) 541-7292
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Viper S.W.D. LLC |
| Production reports | Ncey Holdings, LLCthrough May 2010 |
| Latest permit | Hardwick Oil CompanyNov 10, 1992 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 4,300
- total depth, ft
- 1
- permits on file
- Nov 10, 1992
- last permit issued
- Nov 29, 1992
- completed
- 161K
- cumulative oil, bbl
- 22.5K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jan 2019
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Nov 29, 1992
- Shut in
- —
- Plugged
- Oct 26, 2018
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 |
|---|---|---|---|---|---|---|
| Hillje Oil Unit O-3-21809 | Tenna (Hillje Sand) | Viper S.W.D., LLC | 1 | 161K | 22.5K | Jan 1993 – Jan 2019 |
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.
- 1Hardwick Oil CompanyJan 1993 → Dec 1997
- 2Owl Creek Production Co., Inc.Jan 1998 → Jun 2003
- 3Century Resources, Inc.Jul 2003 → Nov 2008
- 4Ncey Holdings, LLCMay 2010 → May 2010
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 405947-99 | Drill | Hardwick Oil Company | Nov 10, 1992 | Nov 10, 1992 | Nov 15, 1992 | 4,300 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-3-21809 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 102 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 4,110 | 4,116 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 10.75 | 532 | 13.5 | 345 S |
| 7 | 4,220 | 9.875 | 910 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 12, 1993 | Dec 8, 1992 | Yes |
| 00 | Dec 30, 1992 | — | — |
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 42-481-33598 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-481-33598 → 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/48133598, documented in the API reference.