WELL · 42-021-31413 · DISTRICT 1
Hilbig Oil Unit No. 1 #S 4
Bastrop County · Hilbig field · Gas Strg-Injection · Vertical
Hilbig Oil Unit NO. 1 #S 4 (API 42-021-31413) is a well in Bastrop County operated by Lower Colorado River Authority, completed June 16, 1993 and listed as gas strg-injection on the RRC schedule.
The RRC has issued one drilling permit, issued August 29, 1991, permitted to 4,500 ft.
Completion filings report 4 formation tops, including Midway, Navarro, Taylor, Serpentine.
No lease production has been reported under this well’s leases.
It holds an active disposal or injection permit.
Operator of record
Lower Colorado River Authority
Bastrop, TX · P-5 Y, filed Dec 4, 2025 · 17 permits on file · (512) 473-3200
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Lower Colorado River Authority |
| Production reports | none |
| Latest permit | Lower Colorado River AuthorityAug 29, 1991 |
- 4,500
- total depth, ft
- 1
- permits on file
- Aug 29, 1991
- last permit issued
- Jun 16, 1993
- completed
- 0
- cumulative oil, bbl
- 0
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jun 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Jun 16, 1993
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active
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 |
|---|---|---|---|---|---|---|
| Hilbig Oil Unit No. 1 G-1-145809 | Hilbig | Lower Colorado River Authority | 1 | 0 | 0 | Jun 1993 – Jul 2026 |
No volumes reported on these leases in the last three years.
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 391363-99 | Drill | Lower Colorado River Authority | Aug 29, 1991 | Aug 29, 1991 | Jan 21, 1992 | 4,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-1-145809 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 423 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 2,323 | 2,345 | Perforated |
| 2,347 | 2,368 | Perforated |
| 2,371 | 2,396 | Perforated |
| 2,402 | 2,446 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 20 | 365 | 26 | 950 S |
| 13.375 | 1,065 | 17.5 | 850 S |
| 9.625 | 2,270 | 12.25 | 720 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 | Oct 5, 1993 | Jul 7, 1993 | Yes |
| 00 | Jul 14, 1993 | — | — |
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 42-021-31413 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-021-31413 → 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.
Beyond the permit record
RRC UIC permits · H-10 reported volumes
Injection
- 0
- bbl, last 12 reported months
- 0
- bbl, all reported
- Oct 2025
- reported through
| UIC | Kind | Status | Permitted bbl/d | Max psi | Zone ft |
|---|---|---|---|---|---|
| 000079102 | H-1 Injection | Active | 0 | 0 | 2,301–2,424 |
MONTHLY INJECTED, BBL · H-10 · LAST 24 REPORTED MONTHS
Last 12 months 0 · prior 12 0
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/02131413, documented in the API reference.