TEXAS · WELLS · BURLESON COUNTY · HRONEK-HRONEK UNIT LEASE · API 42-051-33291 · DISTRICT 03

Hronek-Hronek Unit #1

Burleson County · Giddings (Austin Chalk-3) field · Producing · Horizontal · Sidetrack

Fields on the latest permit · any of 2: Giddings (Austin Chalk-3) · Giddings (Austin Chalk, Gas); Not one formation; the well must be completed in one of them, and no target formation is stated.

Hronek-Hronek Unit #1 (API 42-051-33291) is a horizontal well in Burleson County operated by Wildfire Energy Operating LLC, completed October 7, 1993 and listed as producing on the RRC schedule.

The RRC has issued 3 drilling permits between 1991 and 1993, permitted to 10,015 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 4 formation tops, including Navarro, Taylor, Pecan Gap, Austin Chalk.

Its lease has reported 277K barrels of oil and 552K mcf of gas since January 1993, last reporting volume in March 2026.

Operator of record

Wildfire Energy Operating LLC

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

Create operator alert

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore schedule	Wildfire Energy Operating LLC
Production reports	Wildfire Energy Operating LLCthrough Mar 2026
Latest permit	Union Pacific Resources CompanySep 16, 1993

The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.

10,015: total depth, ft
3: permits on file
Sep 16, 1993: last permit issued
Oct 7, 1993: completed
277K: cumulative oil, bbl
552K: cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Mar 2026

Regulatory status · RRC wellbore file

Schedule: ON SCHEDULE
Completed: Oct 7, 1993
Shut in: —
Plugged: —

Operator's P-5 on the schedule: Active (A)

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
Hronek-Hronek Unit O-3-21522	Giddings (Austin Chalk-3)	Wildfire Energy Operating LLC	1	277K	552K	Jan 1993 – Mar 2026

Oil, barrels lease total

Last 12 months 1,349 · prior 12 1,744(-23%)

Gas, mcf lease total

Last 12 months 2,809 · prior 12 3,176(-12%)

Chain of custody

Every operator that reported production on this well's lease, in order.

1Union Pacific Resources CompanyJan 1993 → Jan 2001
2Rme Petroleum CompanyFeb 2001 → Nov 2002
3Anadarko E&P Company LPDec 2002 → Dec 2012
4Anadarko E&P Onshore LLCJan 2013 → Jun 2017
5Wildhorse Resources Mngt Co, LLCJul 2017 → May 2019
6Chesapeake Operating, L.L.C.Jun 2019 → Feb 2023
7Wildfire Energy Operating LLCMar 2023 → Mar 2026

Permits

Permit	Type	Operator	Received	Issued	Spud	Depth
415839-99	Recompletion · sidetrack	Union Pacific Resources Company	Sep 9, 1993	Sep 16, 1993	Sep 19, 1993	7,300
401084-99	Recompletion · sidetrack	Union Pacific Resources Company	Jul 10, 1992	Jul 16, 1992	Aug 7, 1992	10,006
394339-99	Drill	Union Pacific Resources Company	Nov 22, 1991	Nov 22, 1991	Feb 19, 1992	12,000

Completions

Completed	Lease	Field	Operator	Status	Depth
Oct 7, 1993	Hronek-Hronek Unit O-3-21522	Giddings (Austin Chalk-3)	Wildfire Energy Operating LLC	Producing	10,015
Oct 7, 1993	Hronek-Hronek Unit O-3-21522	Giddings (Austin Chalk-3)	Wildfire Energy Operating LLC	Producing	10,015
Oct 7, 1993	Hronek-Hronek Unit O-3-21522	Giddings (Austin Chalk-3)	Wildfire Energy Operating LLC	Producing	10,015

Formation tops

As filed on W-2/G-1. Subsea from 326 ft elevation.Download CSV →

Formation	MD ft	Subsea
Navarro	4,220	-3,894
Taylor	4,666	-4,340
Pecan Gap	5,524	-5,198
Austin Chalk	7,194	-6,868

Perforations

Perforated and open-hole intervals.

From	To	Type
7,255	10,006	Perforated
7,255	10,015	Perforated
7,274	10,001	Perforated

Casing

Strings as reported, shallowest first.

Casing in	Set at	Hole in	Cement
10.75	1,520	14.75	585 S
10.375	1,520	14.75	585 S
7.625	7,255	8.875	345 S
7.625	7,255	9.875	345 S
7.625	—	9.875	690 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 →

RRC record date	W-2 / G-1 date	Logs referenced
Jun 29, 1994	Jun 7, 1994	Yes
Jan 14, 1993	Dec 16, 1992	—
Jul 9, 1992	Apr 15, 1992	Yes
Jul 7, 1992	—	—

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 42-051-33291 → W-2, G-1, plugging reports, as PDFs
Completion packets for 42-051-33291 → scanned completion filings

Log images filed since 2004 open from the RRC's log search for this well; none are loaded here for it.

Find logs withinmiles of this well:List →Map →

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/05133291, documented in the API reference.