WELL · 42-321-00595 · DISTRICT 3

Culbertson W. J. #4

N

Matagorda County · Sugar Valley N. (Robertson) field  · Vertical

Culbertson W. J. #4 (API 42-321-00595) is a disposal or injection well in Matagorda County operated by Mobil Producing TX. & N.M. Inc. under an active UIC permit.

The RRC has issued 2 drilling permits between 1986 and 1987, permitted to 9,164 ft.

It holds an active disposal or injection permit.

Operator of record

Mobil Producing TX. & N.M. Inc.

Based in
Spring, TX
P-5 status
Active (A)
P-5 last filed
Jun 4, 2025
Permits on file
6,763
Phone
(346) 474-9142

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleMobil Producing TX. & N.M. Inc.
Production reportsnone
Latest permitMobil Producing TX. & N.M. Inc.Feb 19, 1987
9,164
total depth, ft
2
permits on file
Feb 19, 1987
last permit issued
—
completed
0
cumulative oil, bbl
0
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
—
Shut in
—
Plugged
—

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; they carry 2 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Culbertson, W. J. O-3-11552Sugar Valley, N. (Hurlock)Oak Energy, LLC200Jan 1993 – Jul 2026

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

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
326729-99RecompletionMobil Producing TX. & N.M. Inc.Feb 18, 1987Feb 19, 1987—9,164
303643-99RecompletionMobil Producing TX. & N.M. Inc.Jun 26, 1986Jun 26, 1986—9,164

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-3-11552————

Perforations

Perforated and open-hole intervals.

FromToType
5,4705,490Perforated
5,9415,946Perforated
5,9595,964Perforated
5,9815,986Perforated
5,9966,001Perforated
6,0066,016Perforated
8,9238,931Perforated
8,9368,942Perforated
—8,966Perforated
—9,014Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
11.751,276——
79,164——

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
00Nov 7, 1995Jul 14, 1995—
00Oct 1, 1987Sep 15, 1987—
00Aug 12, 1986Jul 16, 1986—
00Aug 6, 1986——
00Jan 12, 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.

Beyond the permit record

RRC UIC permits · H-10 reported volumes

Injection

0
bbl, last 12 reported months
17M
bbl, all reported
Jun 2025
reported through
UICKindStatusPermitted bbl/dMax psiZone ft
000062760W-14 DisposalActive15,0001,5005,200–6,100

MONTHLY INJECTED, BBL · H-10 · LAST 24 REPORTED MONTHS

Last 12 months 0 · prior 12 0

0120242025

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/32100595, documented in the API reference.