WELL · 42-363-32691 · DISTRICT 7

Calabria Estate #5

Plugged

Palo Pinto County · Calabria (Big Saline) field  · Vertical

Calabria Estate #5 (API 42-363-32691) is a plugged well in Palo Pinto County, plugged March 24, 2026, last operated by Upham Oil & Gas Company.

The RRC has issued one drilling permit, issued July 2, 1981, permitted to 4,440 ft.

It was permitted by Upham, Chester R., JR. and has since transferred to Upham Oil & Gas Company on the wellbore schedule.

Operator of record

Upham Oil & Gas Company

Permitted by Upham, Chester R., Jr.; the EWA schedule now lists a different operator.

Mineral Wells, TX · P-5 Y, filed Sep 4, 2025 · 141 permits on file · (940) 325-4491

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleUpham Oil & Gas Company
Production reportsUpham Oil & Gas Companythrough Jan 2015
Latest permitUpham, Chester R., Jr.Jul 2, 1981

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

4,440
total depth, ft
1
permits on file
Jul 2, 1981
last permit issued
Dec 11, 1981
completed
0
cumulative oil, bbl
28.4K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
Dec 11, 1981
Shut in
—
Plugged
Mar 24, 2026

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
Calabria Estate G-8-100371Calabria (Big Saline)Upham Oil & Gas Company1028.4KJan 1993 – Jul 2026

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. 1K & M Exploration, 1973-3 Ltd.Jan 1993 → Apr 1995
  2. 2Upham, Chester R., Jr.May 1995 → Aug 2001
  3. 3Upham Oil & Gas CompanySep 2001 → Jan 2015

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
124166-99DrillUpham, Chester R., Jr.Jul 2, 1981Jul 2, 1981Jul 3, 19814,440

Completions

CompletedLeaseFieldOperatorStatusDepth
—— G-8-100371————

Perforations

Perforated and open-hole intervals.

FromToType
3,7513,760Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
8.62525112.25200 S
2.3754,375——
4.54,3957.875200 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
00Jan 12, 1984Jun 14, 1982—

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/36332691, documented in the API reference.