WELL · 42-383-33339 · DISTRICT 7

University a 33 #1

Plugged

Reagan County · Spraberry (Trend Area) field  · Vertical

University A 33 #1 (API 42-383-33339) is a plugged well in Reagan County, plugged September 12, 1995, last operated by Costilla Petroleum Corporation.

The RRC has issued 2 drilling permits between 1984 and 1985, permitted to 7,500 ft.

It was permitted by Costex Resources, Inc. and has since transferred to Costilla Petroleum Corporation on the wellbore schedule.

Completion filings report 6 formation tops, including Spraberry, U/Spraberry, L/Spraberry, Jo Mill.

Operator of record

Costilla Petroleum Corporation

Permitted by Costex Resources, Inc.; the EWA schedule now lists a different operator.

Midland, TX · P-5 Y, filed Jan 5, 1998 · 120 permits on file

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleCostilla Petroleum Corporation
Production reportsnone
Latest permitCostex Resources, Inc.Oct 8, 1985

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

7,500
total depth, ft
2
permits on file
Oct 8, 1985
last permit issued
Dec 11, 1985
completed
0
cumulative oil, bbl
0
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Nov 1995

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
Dec 11, 1985
Shut in
—
Plugged
Sep 12, 1995

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
University "a" "33" O-9-11293Spraberry (Trend Area)Costilla Petroleum Corporation100Jan 1993 – Nov 1995

No volumes reported on these leases in the last three years.

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
287009-99RecompletionCostex Resources, Inc.Oct 7, 1985Oct 8, 1985—7,500
260850-99DrillCostex Resources, Inc.Dec 10, 1984Dec 12, 1984—6,929

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-9-11293————

Formation tops

As filed on W-2/G-1. Subsea from 2,756 ft elevation.Download CSV →

FormationMD ftSubsea
SpraberryUPPER SPRABERRY6,042-3,286
U/Spraberry6,042-3,286
SpraberryLOWER SPRABERRY6,737-3,981
L/Spraberry6,737-3,981
Jo Mill6,903-4,147
T/Dean6,960-4,204
B/Dean7,388-4,632

Perforations

Perforated and open-hole intervals.

FromToType
6,0436,939Perforated
7,0587,343Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
13.37575517.5450 S
8.6253,60011300 S
4.57,0327.875690 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 29, 1986Jan 15, 1986Yes
00May 7, 1985Apr 26, 1985—
00May 3, 1985——

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.

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/38333339, documented in the API reference.