WELL · 42-235-32402 · DISTRICT 7

Winterbotham B #503

N

Irion County  · Vertical

Winterbotham B #503 (API 42-235-32402) is a permitted well in Irion County filed by Siana Oil & Gas; no completion report is on file yet.

The RRC has issued 3 drilling permits between 1984 and 2010, permitted to 6,300 ft.

Completion filings report 3 formation tops, including Clear Fork, Wolfcamp, Canyon.

Its 3 leases have reported 13.9K barrels of oil and 478K mcf of gas since January 1993, last reporting in July 2026. The leases carry 5 wells, so these are lease totals, not this well alone.

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 schedulenone
Production reportsWalter Oil & Gas Corporationthrough Apr 2026
Latest permitSiana Oil & GasMay 28, 2010
6,300
total depth, ft
3
permits on file
May 28, 2010
last permit issued
—
completed
13.9K
cumulative oil, bbl
478K
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 3 leases this well is completed on; they carry 5 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Winterbotham "B" O-9-9945Buttes North (Upper Canyon A)Walter Oil & Gas Corporation312.9K478KJan 1993 – Jul 2026
Winterbotham B O-9-16586Tankersley (Wolfcamp)Siana Oil & Gas19480Nov 2007 – Sep 2012
Winterbotham 'B' O-9-16250Buttes North (Upper Canyon A)Siana Oil & Gas100May 2007 – Aug 2008

Gas, mcf lease total

Last 12 months 14,650 · prior 12 15,104(-3%)

01K2K3K202420252026

Oil, barrels lease total

Last 12 months 55 · prior 12 12(+358%)

02040202420252026

Chain of custody

Every operator that reported production on this well's lease, in order.

  1. 1Tuthill & BarbeeJan 1993 → Aug 1994
  2. 2Hugoton Energy CorporationSep 1994 → Mar 1998
  3. 3Chesapeake Operating, Inc.Apr 1998 → Sep 1999
  4. 4Nadel and Gussman Permian,l.l.c.Oct 1999 → Oct 2004
  5. 5Gruy Petroleum Management Co.Nov 2004 → Apr 2006
  6. 6Cimarex Energy Co. of ColoradoMay 2006 → May 2019
  7. 7Siana Oil & GasDec 2007 → Mar 2009
  8. 8McDaniel Company, Inc., TheJun 2019 → Mar 2020
  9. 9Fossil Petroleum LLCJul 2020 → May 2023
  10. 10Blue Star Natural Resources, LLCJun 2023 → Mar 2024
  11. 11Walter Oil & Gas CorporationNov 2024 → Sep 2025

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
696697-99RecompletionSiana Oil & GasMay 27, 2010May 28, 2010—6,300
658262-99RecompletionSiana Oil & GasMar 27, 2008Apr 11, 2008Nov 12, 20076,300
255858-99DrillTuthill & BarbeeSep 7, 1984Oct 29, 1984Feb 7, 19856,300

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-9-9945————
—— O-9-16250————
—— O-9-16586————

Formation tops

As filed on W-2/G-1. Subsea from 2,269 ft elevation.Download CSV →

FormationMD ftSubsea
Clear ForkCLEARFORK1,388881
Wolfcamp5,200-2,931
Wolfcamp5,500-3,231
CanyonUPPER CANYON A6,075-3,806
CanyonUPPER CANYON H6,075-3,806
CanyonUPPER CANYON B6,164-3,895

Perforations

Perforated and open-hole intervals.

FromToType
5,2185,250Perforated
5,4545,500Perforated
5,6345,652Perforated
6,0856,090Perforated
6,0986,102Perforated
6,1126,117Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
8.62561511400 S
4.55,1407.875765 S
4.56,3007.875250 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
00Aug 7, 2008Apr 24, 2008Yes
00Jul 15, 2008Mar 29, 1985—
00Jun 18, 2007Mar 29, 1985—
00Apr 15, 1985Mar 29, 1985—
00Apr 12, 1985——

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/23532402, documented in the API reference.