TEXAS · WELLS · GONZALES COUNTY · GRIFFIN OIL UNIT LEASE · API 42-177-31833 · DISTRICT 01
Griffin Oil Unit #2
Gonzales County · Pilgrim (Austin Chalk) field · Horizontal
Griffin Oil Unit #2 (API 42-177-31833) is a plugged horizontal well in Gonzales County, plugged March 4, 2024, last operated by Baytex Energy USA Inc..
The RRC has issued one drilling permit, issued November 19, 1990, permitted to 10,500 ft.
It was permitted by Tana Oil And Gas Corporation and has since transferred to Baytex Energy USA Inc. on the wellbore schedule.
Completion filings report 3 formation tops, including Taylor, Anacacho, Austin Chalk.
Its lease has reported 193K barrels of oil and 89.1K mcf of gas since January 1993, last reporting in July 2024.
Operator of record
Permitted by Tana Oil and Gas Corporation; the EWA schedule now lists a different operator.
- Based in
- Houston, TX
- P-5 status
- Active (A)
- P-5 last filed
- Dec 15, 2025
- Permits on file
- 120
- Phone
- (713) 722-6500
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Baytex Energy USA Inc. |
| Production reports | Lonestar Operating, LLCthrough Sep 2019 |
| Latest permit | Tana Oil and Gas CorporationNov 19, 1990 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 10,500
- total depth, ft
- 1
- permits on file
- Nov 19, 1990
- last permit issued
- Feb 5, 1991
- completed
- 193K
- cumulative oil, bbl
- 89.1K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2024
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Feb 5, 1991
- Shut in
- —
- Plugged
- Mar 4, 2024
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 |
|---|---|---|---|---|---|---|
| Griffin Oil Unit O-1-13001 | Pilgrim (Austin Chalk) | Baytex Energy USA, Inc. | 1 | 193K | 89.1K | Jan 1993 – Jul 2024 |
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.
- 1Tana Oil and Gas CorporationJan 1993 → Oct 1995
- 2Rosewood Resources, Inc.Nov 1995 → Jan 1997
- 3Wilson, Billy R.Feb 1997 → Oct 1999
- 4Lucas Energy, Inc.Jul 2006 → Jan 2017
- 5Cei Operating LLCMar 2017 → Sep 2017
- 6Lonestar Operating, LLCOct 2017 → Sep 2019
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 381107-99 | Drill | Tana Oil and Gas Corporation | Nov 15, 1990 | Nov 19, 1990 | Dec 21, 1990 | 10,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Feb 5, 1991 | Griffin Oil Unit O-1-13001 | Pilgrim (Austin Chalk) | Baytex Energy USA Inc. | Plugged | — |
Formation tops
As filed on W-2/G-1. Subsea from 259 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Taylor | 7,270 | -7,011 |
| Anacacho | 7,817 | -7,558 |
| Austin Chalk | 7,964 | -7,705 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 8,035 | 8,320 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 900 | 12.25 | 425 S |
| 7 | 7,895 | 8.75 | 130 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 14, 1991 | Mar 5, 1991 | Yes |
| 00 | Apr 30, 1991 | — | — |
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 42-177-31833 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-177-31833 → 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/17731833, documented in the API reference.