TEXAS · WELLS · CRANE COUNTY · API 42-103-33774 · DISTRICT 7B

University Waddell Devonian Unit #509

Plugged

Crane County · University Waddell (Devonian) field  · Vertical

University Waddell Devonian Unit #509 (API 42-103-33774) is a plugged well in Crane County, plugged January 18, 1988, last operated by Formentera Operations LLC.

The RRC has issued one drilling permit, issued September 25, 1986, permitted to 9,500 ft.

It was permitted by Mobil Producing TX. & N.M. Inc. and has since transferred to Formentera Operations LLC on the wellbore schedule.

Completion filings report 2 formation tops, including Woodford, Devonian.

Operator of record

Formentera Operations LLC

Permitted by Mobil Producing TX. & N.M. Inc.; the EWA schedule now lists a different operator.

Based in
Austin, TX
P-5 status
Active – Extension (X)
P-5 last filed
Jun 11, 2026
Permits on file
93
Phone
(512) 514-5779

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleFormentera Operations LLC
Production reportsnone
Latest permitMobil Producing TX. & N.M. Inc.Sep 25, 1986

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

9,500
total depth, ft
1
permits on file
Sep 25, 1986
last permit issued
Feb 11, 1987
completed
—
cumulative oil, bbl
—
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
Feb 11, 1987
Shut in
—
Plugged
Jan 18, 1988

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.

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
321117-99DrillMobil Producing TX. & N.M. Inc.Sep 25, 1986Sep 25, 1986Nov 4, 19869,500

Completions

CompletedLeaseFieldOperatorStatusDepth
Feb 11, 1987University Waddell Devonian Unit O-10-20692University Waddell (Devonian)Formentera Operations LLCPlugged—

Formation tops

As filed on W-2/G-1. Subsea from 2,632 ft elevation.Download CSV →

FormationMD ftSubsea
Woodford8,332-5,700
Devonian8,688-6,056

Perforations

Perforated and open-hole intervals.

FromToType
8,7488,836Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
13.37580517.5725 S
8.6255,80812.254,150 S
5.59,4007.8751,560 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. The record date is the RRC's own date on the record, not the day the report was filed: 462,034 of the state's filings carry 1984-01-12. About these reports →

SuffixRRC record dateW-2 / G-1 dateLogs referenced
00Apr 23, 1987Apr 8, 1987Yes
00Apr 14, 1987——

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 filed since 2004 open from the RRC's log search for this well; none are loaded here for it. The University Lands library has no per-well link: then paste it into its search.

Find logs withinmiles of this well:List →Map →

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/10333774, documented in the API reference.