TEXAS · WELLS · BASTROP COUNTY · FRIEBE, ISABEL H. LEASE · API 42-021-31231 · DISTRICT 03
Friebe Isabel H. #1
Bastrop County · Serbin (Taylor Sand) field · Producing · Vertical
Friebe Isabel H. #1 (API 42-021-31231) is a well in Bastrop County operated by Trivista Operating LLC, completed October 17, 1988 and listed as producing on the RRC schedule, shut in February 1, 2026.
The RRC has issued one drilling permit, issued July 15, 1988, permitted to 5,298 ft.
It was permitted by Ernest Operating Company and has since transferred to Trivista Operating LLC on the wellbore schedule.
Completion filings report one formation top, including Taylor.
Its lease has reported 22K barrels of oil and 13.2K mcf of gas since January 1993, last reporting volume in February 2026.
Operator of record
Permitted by Ernest Operating 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 Feb 2026 |
| Latest permit | Ernest Operating CompanyJul 15, 1988 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 5,298
- total depth, ft
- 1
- permits on file
- Jul 15, 1988
- last permit issued
- Oct 17, 1988
- completed
- 22K
- cumulative oil, bbl
- 13.2K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Feb 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Oct 17, 1988
- Shut in
- Feb 1, 2026
- Plugged
- —
Operator's P-5 on the schedule: Delinquent (D)
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 |
|---|---|---|---|---|---|---|
| Friebe, Isabel H. O-3-20333 | Serbin (Taylor Sand) | Trivista Operating LLC | 1 | 22K | 13.2K | Jan 1993 – Feb 2026 |
Oil, barrels lease total
Last 12 months 145 · prior 12 245(-41%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Ernest Operating CompanyJan 1993 → Nov 2013
- 2Riley Exploration Opg Co, LLCDec 2013 → Jul 2015
- 3Trivista Operating LLCAug 2018 → Feb 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 348954-99 | Drill | Ernest Operating Company | Jul 15, 1988 | Jul 15, 1988 | — | 5,400 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Oct 17, 1988 | Friebe Isabel H. O-3-20333 | Serbin (Taylor Sand) | Trivista Operating LLC | Producing · shut in Feb 1, 2026 | 5,298 |
Formation tops
As filed on W-2/G-1. Subsea from 367 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Taylor | 5,131 | -4,764 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 5,148 | 5,168 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 538 | 12.25 | 261 S |
| 4.5 | 5,260 | 7.875 | 963 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. The record date is the RRC's own date on the record, not the day the report was filed: 462,034 of the state's filings carry 1984-01-12. About these reports →
| Suffix | RRC record date | W-2 / G-1 date | Logs referenced |
|---|---|---|---|
| 00 | Jan 11, 1989 | Nov 28, 1988 | Yes |
| 00 | Dec 31, 1988 | — | — |
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 42-021-31231 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-021-31231 → scanned completion filings
Log images filed since 2004 open from the RRC's log search for this well; none are loaded here for it.
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/02131231, documented in the API reference.