WELL · 42-505-34222 · DISTRICT 4

Bruni Mineral Trust #21

Y

Zapata County · LA Perla (Lobo Cons.) field · Producing  · Vertical

Bruni Mineral Trust #21 (API 42-505-34222) is a well in Zapata County operated by Arete Operating Company II LLC, completed March 31, 2010 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit, issued September 22, 2000, permitted to 12,500 ft.

It was permitted by Michael Petroleum Corporation and has since transferred to Arete Operating Company II LLC on the wellbore schedule.

Completion filings report 2 formation tops, including Lobo Unconformity, Wills Point.

No lease production has been reported under this well’s leases.

Operator of record

Arete Operating Company II LLC

Permitted by Michael Petroleum Corporation; the EWA schedule now lists a different operator.

San Antonio, TX · P-5 Y, filed Sep 4, 2025 · (210) 325-9383

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleArete Operating Company II LLC
Production reportsArete Operating Company II, LLCthrough Apr 2026
Latest permitMichael Petroleum CorporationSep 22, 2000

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

12,500
total depth, ft
1
permits on file
Sep 22, 2000
last permit issued
Mar 31, 2010
completed
0
cumulative oil, bbl
1.98M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Dec 2000 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Mar 31, 2010
Shut in
—
Plugged
—

Operator's P-5 on the schedule: X

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 →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Bruni Mineral Trust G-4-180612LA Perla (Lobo Cons.)Arete Operating Company II, LLC101.98MDec 2000 – Jul 2026

Gas, mcf lease total

Last 12 months 4,211 · prior 12 6,244(-33%)

05001K202420252026

Chain of custody

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

  1. 1Michael Petroleum CorporationDec 2000 → Dec 2001
  2. 2Calpine Natural Gas CompanyJan 2002 → Apr 2002
  3. 3Calpine Natural Gas Company L.P.May 2002 → Jul 2002
  4. 4Calpine Natural Gas L.P.Aug 2002 → Dec 2005
  5. 5Rosetta Resources Operating LPJan 2006 → Mar 2012
  6. 6Pinpoint Energy Operating, LLCApr 2012 → Aug 2012
  7. 7Petropoint Energy Operating, LLCSep 2012 → Jul 2014
  8. 8White Oak Operating Company LLCAug 2014 → Jul 2020
  9. 9Arete Operating Company, LLCAug 2020 → Jun 2025
  10. 10Arete Operating Company II, LLCJul 2025 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
499978-99DrillMichael Petroleum CorporationSep 22, 2000Sep 22, 2000Nov 13, 200012,500

Completions

CompletedLeaseFieldOperatorStatusDepth
—— G-4-180612————

Formation tops

As filed on W-2/G-1. Subsea from 417 ft elevation.Download CSV →

FormationMD ftSubsea
Lobo Unconformity9,600-9,183
Wills Point10,900-10,483

Perforations

Perforated and open-hole intervals.

FromToType
9,8909,900Open hole
10,53410,614Perforated
10,53410,614Open hole

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.62574912.25320 S
77,6558.75290 S
3.510,8966.125435 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
00Apr 30, 2010Apr 26, 2010—
00Mar 22, 2001Jan 23, 2001Yes
00Feb 7, 2001——

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). 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/50534222, documented in the API reference.