TEXAS · WELLS · DUVAL COUNTY · DUVAL RANCH SEC. 96-B LEASE · API 42-131-36189 · DISTRICT 04

Duval Ranch Sec. 96-B #9

Plugged

Duval County · Petrox (Frio 1200 -B-) field  · Vertical

Duval Ranch Sec. 96-B #9 (API 42-131-36189) is a plugged well in Duval County, plugged October 31, 2019, last operated by Southwest Royalties Inc..

The RRC has issued 2 drilling permits between 1983 and 1987, permitted to 2,250 ft.

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

Completion filings report 6 formation tops, including 900 Frio, 1105 Frio, Cole Sand, Hockley Interval.

Operator of record

Southwest Royalties Inc.

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

Based in
Midland, TX
P-5 status
Active (A)
P-5 last filed
Jan 6, 2026
Permits on file
497
Phone
(432) 685-9038

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleMobil Producing TX. & N.M. Inc.
Production reportsSouthwest Royalties, Inc.through May 2017
Latest permitMobil Producing TX. & N.M. Inc.Jun 3, 1987

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

2,250
total depth, ft
2
permits on file
Jun 3, 1987
last permit issued
Oct 26, 1987
completed
0
cumulative oil, bbl
138K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Oct 2019

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
Oct 26, 1987
Shut in
—
Plugged
Oct 31, 2019

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
Duval Ranch Sec. 96-B G-4-125587Petrox (Frio 1200 -B-)Southwest Royalties, Inc.10138KJan 1993 – Oct 2019

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. 1Southwest Royalties, Inc.Jan 1993 → May 2017

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
329589-99RecompletionMobil Producing TX. & N.M. Inc.Apr 29, 1987Jun 3, 1987—2,100
189647-99DrillMobil Producing TX. & N.M. Inc.Aug 15, 1983Sep 20, 1983—2,250

Completions

CompletedLeaseFieldOperatorStatusDepth
Oct 26, 1987Duval Ranch Sec. 96-B G-4-125587Petrox (Frio 1200 -B-)Southwest Royalties Inc.Plugged—
May 16, 1983Duval Ranch Sec. 96-B G-4-108900Petrox (Hockley B-8)Mobil Producing TX. & N.M. Inc.Plugged—

Formation tops

As filed on W-2/G-1. Subsea from 475 ft elevation.Download CSV →

FormationMD ftSubsea
900 Frio900-425
1105 Frio1,105-630
Cole Sand1,587-1,112
Hockley Interval1,885-1,410
Upper Chernosky, Lobo2,040-1,565
Wildcat2,140-1,665

Perforations

Perforated and open-hole intervals.

FromToType
1,1111,123Perforated
2,1402,150Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
5.52,229—485 S
5.52,242——

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
00Dec 9, 1987Nov 13, 1987—
00Dec 1, 1987——
00Feb 21, 1984Jan 23, 1984—
00Feb 11, 1984Jan 23, 1984—

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/13136189, documented in the API reference.