WELL · 42-115-33221 · DISTRICT 8

Marshall #1

Y

Dawson County · Elzibeth (Gin Sand) field · Shut IN  · Vertical

Marshall #1 (API 42-115-33221) is a well in Dawson County operated by Siana Oil & Gas, completed February 6, 2008 and listed as shut in on the RRC schedule.

The RRC has issued one drilling permit, issued November 13, 2007, permitted to 7,800 ft.

Completion filings report 6 formation tops, including Yates, San Andres, Upper Sparberry, Spraberry.

Its lease has reported 193 barrels of oil and 343 mcf of gas since February 2008, last reporting in July 2026.

Operator of record

Siana Oil & Gas

Conroe, TX · P-5 Y, filed Aug 4, 2025 · 31 permits on file · (281) 890-1818

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleSiana Oil & Gas
Production reportsSiana Oil & Gasthrough Jun 2008
Latest permitSiana Oil & GasNov 13, 2007
7,800
total depth, ft
1
permits on file
Nov 13, 2007
last permit issued
Feb 6, 2008
completed
193
cumulative oil, bbl
343
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Feb 2008 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Feb 6, 2008
Shut in
—
Plugged
—

Operator's P-5 on the schedule: Delinquent

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
Marshall O-11-69285Elzibeth (Gin Sand)Siana Oil & Gas1193343Feb 2008 – Jul 2026

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. 1Siana Oil & GasMar 2008 → Jun 2008

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
649145-99DrillSiana Oil & GasNov 7, 2007Nov 13, 2007Nov 29, 20077,800

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-11-69285————

Formation tops

As filed on W-2/G-1. Subsea from 2,965 ft elevation.Download CSV →

FormationMD ftSubsea
Yates2,476489
San Andres3,854-889
Upper Sparberry7,100-4,135
SpraberryLOWER SPRABERRY7,700-4,735
Dean8,386-5,421
Wolfcamp8,492-5,527

Perforations

Perforated and open-hole intervals.

FromToType
7,3927,445Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
13.37537717.5320 S
8.6253,79011760 S
5.57,7257.875435 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
00Nov 17, 2008Mar 27, 2008Yes
00Nov 5, 2008——

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) and the University Lands library. 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/11533221, documented in the API reference.