Petrora

WELL · 42-383-34573 · DISTRICT 7

Thunderbird #1

N

Reagan County  · Vertical

Thunderbird #1 (API 42-383-34573) is a disposal or injection well in Reagan County operated by Legacy Reserves Operating LP under an active UIC permit.

The RRC has issued 5 drilling permits (amended once) between 1996 and 2010, permitted to 10,500 ft.

Completion filings report 8 formation tops, including San Andres, Spraberry, Dean, Strawn.

Its 4 leases have reported 11.2K barrels of oil since August 1996, last reporting in July 2026. The leases carry 4 wells, so these are lease totals, not this well alone.

It holds an active disposal or injection permit, with 806K barrels injected in the 12 months reported through November 2025.

Operator of record

Legacy Reserves Operating LP

Denver, CO · P-5 Y, filed Oct 4, 2025 · 439 permits on file · (720) 498-3026

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore schedulenone
Production reportsLegacy Reserves Operating LPthrough Jun 2010
Latest permitLegacy Reserves Operating LPAug 23, 2010
10,500
total depth, ft
6
permits on file
Aug 23, 2010
last permit issued
—
completed
11.2K
cumulative oil, bbl
0
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Aug 1996 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
—
Shut in
—
Plugged
—

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 4 leases this well is completed on; they carry 4 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Thunderbird O-9-17222Sledgehammer (Fusselman)Extex Operating Company100Jul 2010 – Jul 2026
Thunderbird O-9-15174Sledgehammer (Atoka)Legacy Reserves Operating LP11930Oct 2000 – Apr 2015
Thunderbird O-9-14435Sledgehammer (Fusselman)Northland Operating Company111K0Aug 1996 – Apr 2003
Thunderbird O-9-15152WildcatDevx Operating Company100May 2000 – Nov 2001

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.

  1. 1Collins & Ware, Inc.Aug 1996 → Jul 1997
  2. 2Northland Operating CompanyAug 1997 → Nov 1998
  3. 3Devx Operating CompanyOct 2000 → Aug 2003
  4. 4Comstock Oil & Gas, Inc.Dec 2003 → Jun 2004
  5. 5Comstock Oil & Gas, LPOct 2006 → Oct 2006
  6. 6Legacy Reserves Operating LPJun 2010 → Jun 2010

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
700988-98RecompletionLegacy Reserves Operating LPAug 23, 2010Aug 23, 2010—10,500
700988-99RecompletionLegacy Reserves Operating LPAug 20, 2010Aug 23, 2010—10,100
697912-99RecompletionLegacy Reserves Operating LPJun 21, 2010Jun 24, 2010May 19, 20109,775
514902-99RecompletionNorthland Operating CompanyNov 15, 2000Oct 30, 2001May 10, 20009,775
501967-99RecompletionNorthland Operating CompanyNov 15, 2000Nov 29, 2000May 10, 20009,775
448794-99DrillCollins & Ware, Inc.Jun 3, 1996Jun 4, 1996Jun 14, 199610,000

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-9-14435————
—— O-9-15152————
—— O-9-15174————
—— O-9-17222————

Formation tops

As filed on W-2/G-1. Subsea from 2,430 ft elevation.Download CSV →

FormationMD ftSubsea
San Andres2,014416
Spraberry4,872-2,442
SpraberrySPRAYBERRY4,872-2,442
Dean6,502-4,072
Strawn9,023-6,593
Atoka9,100-6,670
Atoka9,200-6,770
Silurian (undifferentiated)SILURIAN9,320-6,890
Fusselman9,500-7,070
Ellenburger9,618-7,188

Perforations

Perforated and open-hole intervals.

FromToType
9,1929,196Perforated
9,4979,527Perforated
9,5399,552Perforated
9,5639,568Perforated
9,6189,770Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
13.37555117.5705 S
8.6254,44011800 S
—8,5847.875930 S
5.59,7757.875310 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 →

SuffixFiledW-2 / G-1 dateLogs referenced
00Sep 13, 2010Jul 7, 2010Yes
00Aug 23, 2010——
00Oct 22, 2001Sep 21, 2001Yes
00Sep 25, 2001——
00Sep 5, 2001Nov 15, 2000Yes
00Jul 10, 2001——
00Oct 15, 1996Aug 27, 1996Yes
00Sep 19, 1996——

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.

Log images are in archives with no per-well link: the RRC's Neubus archive (2004 onward) and the University Lands library. then paste it into their search.

Beyond the permit record

RRC UIC permits · H-10 reported volumes

Injection

806K
bbl, last 12 reported months
12.6M
bbl, all reported
Nov 2025
reported through
UICKindStatusPermitted bbl/dMax psiZone ft
000101653W-14 DisposalActive10,0004,2509,618–10,300

MONTHLY INJECTED, BBL · H-10 · LAST 24 REPORTED MONTHS

Last 12 months 806,416 · prior 12 753,008(+7%)

050K100K20242025

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/38334573, documented in the API reference.