WELL · 42-435-34334 · DISTRICT 7

Halbert B. M. #5122

Y

Sutton County · Sonora (Canyon Upper) field · Producing  · Vertical

Halbert B. M. #5122 (API 42-435-34334) is a well in Sutton County operated by Upp Operating LLC, completed March 22, 1995 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit, issued August 23, 1994, permitted to 7,300 ft.

It was permitted by Southland Royalty Company and has since transferred to Upp Operating LLC on the wellbore schedule.

Completion filings report one formation top, including Canyon.

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

Operator of record

Upp Operating LLC

Permitted by Southland Royalty Company; the EWA schedule now lists a different operator.

Houston, TX · P-5 Y, filed Dec 4, 2025 · 33 permits on file · (817) 389-2729

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleUpp Operating LLC
Production reportsUpp Operating, LLCthrough Apr 2026
Latest permitSouthland Royalty CompanyAug 23, 1994

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

7,300
total depth, ft
1
permits on file
Aug 23, 1994
last permit issued
Mar 22, 1995
completed
0
cumulative oil, bbl
242K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Mar 1995 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Mar 22, 1995
Shut in
—
Plugged
—

Operator's P-5 on the schedule: Active

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
Halbert, B. M. G-9-154085Sonora (Canyon Upper)Upp Operating, LLC10242KMar 1995 – Jul 2026

Gas, mcf lease total

Last 12 months 3,014 · prior 12 3,223(-6%)

0100200300202420252026

Chain of custody

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

  1. 1Southland Royalty CompanyMar 1995 → Feb 1996
  2. 2Meridian Oil Inc.Mar 1996 → Jul 1996
  3. 3Burlington Resources Oil&gas Co.Aug 1996 → Apr 1997
  4. 4Gruy Petroleum Management Co.May 1997 → Aug 2000
  5. 5Dreyfus, Louis Natural Gas CorpSep 2000 → Nov 2001
  6. 6Dominion Oklahoma Texas E&P, IncDec 2001 → Dec 2007
  7. 7Highmount Expl & Prod Texas LLCJan 2008 → Sep 2014
  8. 8Enervest Operating, L.L.C.Oct 2014 → Mar 2019
  9. 9Upp Operating, LLCApr 2019 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
427226-99DrillSouthland Royalty CompanyAug 22, 1994Aug 23, 1994Feb 25, 19957,300

Completions

CompletedLeaseFieldOperatorStatusDepth
—— G-9-154085————

Formation tops

As filed on W-2/G-1. Subsea from 2,301 ft elevation.Download CSV →

FormationMD ftSubsea
CanyonTOP OF CANYON5,924-3,623
CanyonBASE OF CANYON6,822-4,521

Perforations

Perforated and open-hole intervals.

FromToType
5,9886,774Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
8.6251,45111510 S
4.56,9787.875420 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
00Jun 21, 1995May 11, 1995Yes
00May 30, 1995——

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/43534334, documented in the API reference.