WELL · 42-021-31495 · DISTRICT 3
Behrens Unit #1
Bastrop County · Giddings (Austin Chalk-3) field · Shut IN · Horizontal
Behrens Unit #1 (API 42-021-31495) is a horizontal well in Bastrop County operated by Trivista Operating LLC, completed December 12, 1991 and listed as shut in on the RRC schedule.
The RRC has issued one drilling permit, issued October 20, 1994, permitted to 7,500 ft.
It was permitted by Union Pacific Resources Company and has since transferred to Trivista Operating LLC on the wellbore schedule.
Completion filings report one formation top, including Austin Chalk.
Its lease has reported 21K barrels of oil and 18.6K mcf of gas since December 1994, last reporting in July 2026.
Operator of record
Permitted by Union Pacific Resources Company; the EWA schedule now lists a different operator.
- Based in
- Giddings, TX
- P-5 status
- Delinquent (D)
- P-5 last filed
- Sep 30, 2025
- Permits on file
- 3
- Phone
- (979) 366-2700
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Trivista Operating LLC |
| Production reports | Trivista Operating LLCthrough Dec 2024 |
| Latest permit | Union Pacific Resources CompanyOct 20, 1994 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 7,500
- total depth, ft
- 1
- permits on file
- Oct 20, 1994
- last permit issued
- Dec 12, 1991
- completed
- 21K
- cumulative oil, bbl
- 18.6K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Dec 1994 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Dec 12, 1991
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active – Hearing (H)
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 |
|---|---|---|---|---|---|---|
| Behrens Unit O-3-22684 | Giddings (Austin Chalk-3) | Trivista Operating LLC | 1 | 21K | 18.6K | Dec 1994 – Jul 2026 |
Oil, barrels lease total
Last 12 months 0 · prior 12 22(-100%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Union Pacific Resources CompanyDec 1994 → Apr 1995
- 2Texas Refining, Inc.May 1995 → Dec 2001
- 3Texas Vanguard Oil CompanyJan 2002 → Sep 2013
- 4Trivista Operating LLCOct 2013 → Dec 2024
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 429175-99 | Drill | Union Pacific Resources Company | Oct 14, 1994 | Oct 20, 1994 | Nov 13, 1994 | 7,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-3-22684 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 461 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Austin Chalk | 6,700 | -6,239 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 6,700 | 9,691 | Perforated |
| 6,710 | 9,956 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 10.75 | 1,500 | 14.75 | 555 S |
| 7.625 | — | 9.875 | 355 S |
| 7.086 | — | 9.875 | 555 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 | May 2, 1995 | Jan 17, 1995 | Yes |
| 00 | Apr 19, 1995 | — | — |
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 42-021-31495 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-021-31495 → 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/02131495, documented in the API reference.