TEXAS · WELLS · ROBERTSON COUNTY · GRIZZLY UNIT LEASE · API 42-395-30510 · DISTRICT 03
Grizzly Unit #1
Robertson County · Giddings (Buda) field · Horizontal
Grizzly Unit #1 (API 42-395-30510) is a plugged horizontal well in Robertson County, plugged August 16, 2022, last operated by Wildfire Energy Operating LLC.
The RRC has issued one drilling permit, issued May 23, 1997, permitted to 7,200 ft.
It was permitted by Union Pacific Resources Company and has since transferred to Wildfire Energy Operating LLC on the wellbore schedule.
Completion filings report one formation top, including Georgetown.
Its lease has reported 70.2K barrels of oil and 47.5K mcf of gas since July 1997, with no volume in the three years through August 2026.
Operator of record
Permitted by Union Pacific Resources Company; the EWA schedule now lists a different operator.
- Based in
- Houston, TX
- P-5 status
- Active (A)
- P-5 last filed
- Nov 24, 2025
- Permits on file
- 171
- Phone
- (832) 558-0100
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Wildfire Energy Operating LLC |
| Production reports | Wildfire Energy Operating LLCthrough Aug 2019 |
| Latest permit | Union Pacific Resources CompanyMay 23, 1997 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 7,200
- total depth, ft
- 1
- permits on file
- May 23, 1997
- last permit issued
- Jul 10, 1997
- completed
- 70.2K
- cumulative oil, bbl
- 47.5K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · JUL 1997 THROUGH AUG 2019
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Jul 10, 1997
- Shut in
- —
- Plugged
- Aug 16, 2022
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.
Wells nearby
Every well with a location on file around this well, in any state, nearest first.
Texas locations come from drilling permits, so most older Texas wells have none and are not listed.
Lease production
PDQ LEASE REPORTS · REPORTED THROUGH AUG 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 |
|---|---|---|---|---|---|---|
| Grizzly Unit O-3-23349 | Giddings (Buda) | Wildfire Energy Operating LLC | 1 | 70.2K | 47.5K | Jul 1997 – Aug 2019 |
No volumes reported on these leases in the last three years.
Wells named Grizzly Unit
Wildfire Energy Operating LLC's other wells filed under this lease name in Robertson County, newest permit first. The RRC gives a gas well its own lease number, so the name is what joins the wells of a unit.
Loading the lease's wellsChain of custody
Every operator that reported production on this well's lease, in order.
- 1Union Pacific Resources CompanyJul 1997 → Jan 2001
- 2Rme Petroleum CompanyFeb 2001 → Nov 2002
- 3Anadarko E&P Company LPDec 2002 → Dec 2012
- 4Anadarko E&P Onshore LLCJan 2013 → Jul 2014
- 5Williams, Clayton Energy, Inc.Aug 2014 → Nov 2016
- 6Wildhorse Resources Mngt Co, LLCDec 2016 → May 2019
- 7Chesapeake Operating, L.L.C.Jun 2019 → Aug 2019
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 462869-99 | Drill | Union Pacific Resources Company | May 23, 1997 | May 23, 1997 | May 27, 1997 | 7,200 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Jul 10, 1997 | Grizzly Unit O-3-23349 | Giddings (Buda) | Wildfire Energy Operating LLC | Plugged | — |
Formation tops
As filed on W-2/G-1. Subsea from 259 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| GeorgetownGEORGETOWN (TVD) | 6,517 | -6,258 |
| GeorgetownGEORGETOWN (MD) | 6,705 | -6,446 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 5,890 | 6,370 | Perforated |
| 5,890 | 6,528 | Perforated |
| 6,132 | 6,486 | Perforated |
| 6,145 | 11,030 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 10.75 | 1,424 | 14.75 | 380 S |
| 7.625 | 6,404 | 9.875 | 450 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 | Dec 9, 1997 | Nov 12, 1997 | Yes |
| 00 | Dec 4, 1997 | — | — |
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 42-395-30510 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-395-30510 → 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/39530510, documented in the API reference.