WELL · 42-355-33938 · DISTRICT 4

Zdansky #1

Plugged

Nueces County · Mobil-David (Anderson) field · Directional

Zdansky #1 (API 42-355-33938) is a plugged well in Nueces County, plugged May 5, 2016, last operated by Crest Resources Inc..

The RRC has issued one drilling permit (amended once), issued November 13, 2008, permitted to 14,500 ft.

Completion filings report one formation top, including Catahoula.

Its lease has reported 5.73K barrels of oil since June 2009, last reporting in July 2016.

Operator of record

Crest Resources Inc.

Tulsa, OK · P-5 Y, filed Dec 4, 2025 · 97 permits on file · (806) 663-7179

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore schedule	Crest Resources Inc.
Production reports	Crest Resources, Inc.through Apr 2013
Latest permit	Crest Resources, Inc.Feb 9, 2009

14,500: total depth, ft
2: permits on file
Feb 9, 2009: last permit issued
Jun 9, 2009: completed
5.73K: cumulative oil, bbl
0: cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jun 2009 THROUGH Jul 2016

Regulatory status · RRC wellbore file

Schedule: OFF SCHEDULE
Completed: Jun 9, 2009
Shut in: —
Plugged: May 5, 2016

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 →

Lease	Field	Reporting operator	Wells	Oil, bbl	Gas, mcf	Reported
Zdansky O-4-13571	Mobil-David (Anderson)	Crest Resources, Inc.	1	5.73K	0	Jun 2009 – Jul 2016

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.

1Crest Resources, Inc.Jun 2009 → Apr 2013

Permits

Permit	Type	Operator	Received	Issued	Spud	Depth
674539-98	Drill	Crest Resources, Inc.	Feb 6, 2009	Feb 9, 2009	Nov 23, 2008	14,500
674539-99	Drill	Crest Resources, Inc.	Nov 6, 2008	Nov 13, 2008	—	13,800

Completions

Completed	Lease	Field	Operator	Status	Depth
—	— O-4-13571	—	—	—	—

Formation tops

As filed on W-2/G-1. Subsea from 33 ft elevation.Download CSV →

Formation	MD ft	Subsea
Catahoula	4,480	-4,447

Perforations

Perforated and open-hole intervals.

From	To	Type
4,569	4,572	Perforated

Casing

Strings as reported, shallowest first.

Casing in	Set at	Hole in	Cement
16	40	—	—
10.75	1,525	12.25	950 S
7.625	10,450	9.875	440 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 →

Suffix	Filed	W-2 / G-1 date	Logs referenced
00	Dec 3, 2009	Jul 13, 2009	Yes
00	Oct 16, 2009	—	—

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.

Wellbore filings for 42-355-33938 → W-2, G-1, plugging reports, as PDFs
Completion packets for 42-355-33938 → scanned completion filings

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/35533938, documented in the API reference.