WELL · 42-505-33335 · DISTRICT 4

Jennings J. D. #421

Plugged

Zapata County · Jennings field  · Vertical

Jennings J. D. #421 (API 42-505-33335) is a plugged well in Zapata County, plugged March 15, 2024, last operated by Sue-Ann Operating L.C..

The RRC has issued one drilling permit, issued July 27, 1995, permitted to 1,500 ft.

It was permitted by S M K Energy Corporation and has since transferred to Sue-Ann Operating L.C. on the wellbore schedule.

Completion filings report one formation top, including Mirada.

Operator of record

Sue-Ann Operating L.C.

Permitted by S M K Energy Corporation; the EWA schedule now lists a different operator.

Victoria, TX · P-5 Y, filed Mar 4, 2026 · 380 permits on file · (361) 550-4479

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleSue-Ann Operating L.C.
Production reportsS M K Energy Corporationthrough Sep 1997
Latest permitS M K Energy CorporationJul 27, 1995

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

1,500
total depth, ft
1
permits on file
Jul 27, 1995
last permit issued
Aug 21, 1995
completed
0
cumulative oil, bbl
45.5K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Aug 1995 THROUGH Mar 2024

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
Aug 21, 1995
Shut in
—
Plugged
Mar 15, 2024

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
Jennings, J. D. G-4-155690JenningsSue-Ann Operating, L.C.1045.5KAug 1995 – Mar 2024

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. 1S M K Energy CorporationAug 1995 → Sep 1997

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
438296-99DrillS M K Energy CorporationJul 27, 1995Jul 27, 1995Aug 17, 19951,500

Completions

CompletedLeaseFieldOperatorStatusDepth
—— G-4-155690————

Formation tops

As filed on W-2/G-1. Subsea from 461 ft elevation.Download CSV →

FormationMD ftSubsea
Mirada1,100-639

Perforations

Perforated and open-hole intervals.

FromToType
1,2321,236Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
2.8751,3305.625325 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
00Dec 11, 1995Sep 15, 1995—
00Oct 30, 1995——

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/50533335, documented in the API reference.